Merge branch 'develop' into dialog-a11y

.eslintignore.errorfiles

@@ -8,7 +8,6 @@ src/CallHandler.js
 src/component-index.js
 src/components/structures/ContextualMenu.js
 src/components/structures/CreateRoom.js
-src/components/structures/FilePanel.js
 src/components/structures/LoggedInView.js
 src/components/structures/login/ForgotPassword.js
 src/components/structures/login/Login.js
@@ -27,16 +26,10 @@ src/components/views/dialogs/ChatCreateOrReuseDialog.js
 src/components/views/dialogs/DeactivateAccountDialog.js
 src/components/views/dialogs/UnknownDeviceDialog.js
 src/components/views/elements/AddressSelector.js
-src/components/views/elements/CreateRoomButton.js
 src/components/views/elements/DeviceVerifyButtons.js
 src/components/views/elements/DirectorySearchBox.js
 src/components/views/elements/EditableText.js
-src/components/views/elements/HomeButton.js
 src/components/views/elements/MemberEventListSummary.js
-src/components/views/elements/PowerSelector.js
-src/components/views/elements/RoomDirectoryButton.js
-src/components/views/elements/SettingsButton.js
-src/components/views/elements/StartChatButton.js
 src/components/views/elements/TintableSvg.js
 src/components/views/elements/UserSelector.js
 src/components/views/login/CountryDropdown.js
@@ -93,7 +86,6 @@ src/RichText.js
 src/Roles.js
 src/Rooms.js
 src/ScalarAuthClient.js
-src/Tinter.js
 src/UiEffects.js
 src/Unread.js
 src/utils/DecryptFile.js

.travis.yml

@@ -3,7 +3,10 @@ dist: trusty
 
 # we don't need sudo, so can run in a container, which makes startup much
 # quicker.
-sudo: false
+#
+# unfortunately we do temporarily require sudo as a workaround for
+# https://github.com/travis-ci/travis-ci/issues/8836
+sudo: required
 
 language: node_js
 node_js:

package.json

@@ -56,7 +56,7 @@
     "browser-encrypt-attachment": "^0.3.0",
     "browser-request": "^0.3.3",
     "classnames": "^2.1.2",
-    "commonmark": "^0.27.0",
+    "commonmark": "^0.28.1",
     "counterpart": "^0.18.0",
     "draft-js": "^0.11.0-alpha",
     "draft-js-export-html": "^0.6.0",
@@ -78,6 +78,7 @@
     "querystring": "^0.2.0",
     "react": "^15.4.0",
     "react-addons-css-transition-group": "15.3.2",
+    "react-beautiful-dnd": "^4.0.0",
     "react-dom": "^15.4.0",
     "react-gemini-scrollbar": "matrix-org/react-gemini-scrollbar#5e97aef",
     "sanitize-html": "^1.14.1",

src/Analytics.js

@@ -14,25 +14,54 @@
  limitations under the License.
  */
 
-import { getCurrentLanguage } from './languageHandler';
+import { getCurrentLanguage, _t, _td } from './languageHandler';
 import PlatformPeg from './PlatformPeg';
-import SdkConfig from './SdkConfig';
+import SdkConfig, { DEFAULTS } from './SdkConfig';
+import Modal from './Modal';
+import sdk from './index';
+
+function getRedactedHash() {
+    return window.location.hash.replace(/#\/(group|room|user)\/(.+)/, "#/$1/<redacted>");
+}
 
 function getRedactedUrl() {
-    const redactedHash = window.location.hash.replace(/#\/(group|room|user)\/(.+)/, "#/$1/<redacted>");
     // hardcoded url to make piwik happy
-    return 'https://riot.im/app/' + redactedHash;
+    return 'https://riot.im/app/' + getRedactedHash();
 }
 
 const customVariables = {
-    'App Platform': 1,
-    'App Version': 2,
-    'User Type': 3,
-    'Chosen Language': 4,
-    'Instance': 5,
-    'RTE: Uses Richtext Mode': 6,
-    'Homeserver URL': 7,
-    'Identity Server URL': 8,
+    'App Platform': {
+        id: 1,
+        expl: _td('The platform you\'re on'),
+    },
+    'App Version': {
+        id: 2,
+        expl: _td('The version of Riot.im'),
+    },
+    'User Type': {
+        id: 3,
+        expl: _td('Whether or not you\'re logged in (we don\'t record your user name)'),
+    },
+    'Chosen Language': {
+        id: 4,
+        expl: _td('Your language of choice'),
+    },
+    'Instance': {
+        id: 5,
+        expl: _td('Which officially provided instance you are using, if any'),
+    },
+    'RTE: Uses Richtext Mode': {
+        id: 6,
+        expl: _td('Whether or not you\'re using the Richtext mode of the Rich Text Editor'),
+    },
+    'Homeserver URL': {
+        id: 7,
+        expl: _td('Your homeserver\'s URL'),
+    },
+    'Identity Server URL': {
+        id: 8,
+        expl: _td('Your identity server\'s URL'),
+    },
 };
 
 function whitelistRedact(whitelist, str) {
@@ -40,9 +69,6 @@ function whitelistRedact(whitelist, str) {
     return '<redacted>';
 }
 
-const whitelistedHSUrls = ["https://matrix.org"];
-const whitelistedISUrls = ["https://vector.im"];
-
 class Analytics {
     constructor() {
         this._paq = null;
@@ -140,11 +166,16 @@ class Analytics {
     }
 
     _setVisitVariable(key, value) {
-        this._paq.push(['setCustomVariable', customVariables[key], key, value, 'visit']);
+        this._paq.push(['setCustomVariable', customVariables[key].id, key, value, 'visit']);
     }
 
     setLoggedIn(isGuest, homeserverUrl, identityServerUrl) {
         if (this.disabled) return;
+
+        const config = SdkConfig.get();
+        const whitelistedHSUrls = config.piwik.whitelistedHSUrls || DEFAULTS.piwik.whitelistedHSUrls;
+        const whitelistedISUrls = config.piwik.whitelistedISUrls || DEFAULTS.piwik.whitelistedISUrls;
+
         this._setVisitVariable('User Type', isGuest ? 'Guest' : 'Logged In');
         this._setVisitVariable('Homeserver URL', whitelistRedact(whitelistedHSUrls, homeserverUrl));
         this._setVisitVariable('Identity Server URL', whitelistRedact(whitelistedISUrls, identityServerUrl));
@@ -154,6 +185,44 @@ class Analytics {
         if (this.disabled) return;
         this._setVisitVariable('RTE: Uses Richtext Mode', state ? 'on' : 'off');
     }
+
+    showDetailsModal() {
+        const Tracker = window.Piwik.getAsyncTracker();
+        const rows = Object.values(customVariables).map((v) => Tracker.getCustomVariable(v.id)).filter(Boolean);
+
+        const resolution = `${window.screen.width}x${window.screen.height}`;
+
+        const ErrorDialog = sdk.getComponent('dialogs.ErrorDialog');
+        Modal.createTrackedDialog('Analytics Details', '', ErrorDialog, {
+            title: _t('Analytics'),
+            description: <div>
+                <div>
+                    { _t('The information being sent to us to help make Riot.im better includes:') }
+                </div>
+                <table>
+                    { rows.map((row) => <tr key={row[0]}>
+                        <td>{ _t(customVariables[row[0]].expl) }</td>
+                        <td><code>{ row[1] }</code></td>
+                    </tr>) }
+                </table>
+                <br />
+                <div>
+                    { _t('We also record each page you use in the app (currently <CurrentPageHash>), your User Agent'
+                        + ' (<CurrentUserAgent>) and your device resolution (<CurrentDeviceResolution>).',
+                        {},
+                        {
+                            CurrentPageHash: <code>{ getRedactedHash() }</code>,
+                            CurrentUserAgent: <code>{ navigator.userAgent }</code>,
+                            CurrentDeviceResolution: <code>{ resolution }</code>,
+                        },
+                    ) }
+
+                    { _t('Where this page includes identifiable information, such as a room, '
+                        + 'user or group ID, that data is removed before being sent to the server.') }
+                </div>
+            </div>,
+        });
+    }
 }
 
 if (!global.mxAnalytics) {

src/DateUtils.js

@@ -15,7 +15,6 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-'use strict';
 import { _t } from './languageHandler';
 
 function getDaysArray() {
@@ -59,47 +58,70 @@ function twelveHourTime(date) {
     return `${hours}:${minutes}${ampm}`;
 }
 
-module.exports = {
-    formatDate: function(date, showTwelveHour=false) {
-        const now = new Date();
-        const days = getDaysArray();
-        const months = getMonthsArray();
-        if (date.toDateString() === now.toDateString()) {
-            return this.formatTime(date, showTwelveHour);
-        } else if (now.getTime() - date.getTime() < 6 * 24 * 60 * 60 * 1000) {
-            // TODO: use standard date localize function provided in counterpart
-            return _t('%(weekDayName)s %(time)s', {
-                weekDayName: days[date.getDay()],
-                time: this.formatTime(date, showTwelveHour),
-            });
-        } else if (now.getFullYear() === date.getFullYear()) {
-            // TODO: use standard date localize function provided in counterpart
-            return _t('%(weekDayName)s, %(monthName)s %(day)s %(time)s', {
-                weekDayName: days[date.getDay()],
-                monthName: months[date.getMonth()],
-                day: date.getDate(),
-                time: this.formatTime(date, showTwelveHour),
-            });
-        }
-        return this.formatFullDate(date, showTwelveHour);
-    },
-
-    formatFullDate: function(date, showTwelveHour=false) {
-        const days = getDaysArray();
-        const months = getMonthsArray();
-        return _t('%(weekDayName)s, %(monthName)s %(day)s %(fullYear)s %(time)s', {
+export function formatDate(date, showTwelveHour=false) {
+    const now = new Date();
+    const days = getDaysArray();
+    const months = getMonthsArray();
+    if (date.toDateString() === now.toDateString()) {
+        return formatTime(date, showTwelveHour);
+    } else if (now.getTime() - date.getTime() < 6 * 24 * 60 * 60 * 1000) {
+        // TODO: use standard date localize function provided in counterpart
+        return _t('%(weekDayName)s %(time)s', {
+            weekDayName: days[date.getDay()],
+            time: formatTime(date, showTwelveHour),
+        });
+    } else if (now.getFullYear() === date.getFullYear()) {
+        // TODO: use standard date localize function provided in counterpart
+        return _t('%(weekDayName)s, %(monthName)s %(day)s %(time)s', {
             weekDayName: days[date.getDay()],
             monthName: months[date.getMonth()],
             day: date.getDate(),
-            fullYear: date.getFullYear(),
-            time: this.formatTime(date, showTwelveHour),
+            time: formatTime(date, showTwelveHour),
         });
-    },
+    }
+    return formatFullDate(date, showTwelveHour);
+}
 
-    formatTime: function(date, showTwelveHour=false) {
-        if (showTwelveHour) {
-            return twelveHourTime(date);
-        }
-        return pad(date.getHours()) + ':' + pad(date.getMinutes());
-    },
-};
+export function formatFullDateNoTime(date) {
+    const days = getDaysArray();
+    const months = getMonthsArray();
+    return _t('%(weekDayName)s, %(monthName)s %(day)s %(fullYear)s', {
+        weekDayName: days[date.getDay()],
+        monthName: months[date.getMonth()],
+        day: date.getDate(),
+        fullYear: date.getFullYear(),
+    });
+}
+
+export function formatFullDate(date, showTwelveHour=false) {
+    const days = getDaysArray();
+    const months = getMonthsArray();
+    return _t('%(weekDayName)s, %(monthName)s %(day)s %(fullYear)s %(time)s', {
+        weekDayName: days[date.getDay()],
+        monthName: months[date.getMonth()],
+        day: date.getDate(),
+        fullYear: date.getFullYear(),
+        time: formatTime(date, showTwelveHour),
+    });
+}
+
+export function formatTime(date, showTwelveHour=false) {
+    if (showTwelveHour) {
+        return twelveHourTime(date);
+    }
+    return pad(date.getHours()) + ':' + pad(date.getMinutes());
+}
+
+const MILLIS_IN_DAY = 86400000;
+export function wantsDateSeparator(prevEventDate, nextEventDate) {
+    if (!nextEventDate || !prevEventDate) {
+        return false;
+    }
+    // Return early for events that are > 24h apart
+    if (Math.abs(prevEventDate.getTime() - nextEventDate.getTime()) > MILLIS_IN_DAY) {
+        return true;
+    }
+
+    // Compare weekdays
+    return prevEventDate.getDay() !== nextEventDate.getDay();
+}

src/Keyboard.js

@@ -68,3 +68,12 @@ export function isOnlyCtrlOrCmdKeyEvent(ev) {
         return ev.ctrlKey && !ev.altKey && !ev.metaKey && !ev.shiftKey;
     }
 }
+
+export function isOnlyCtrlOrCmdIgnoreShiftKeyEvent(ev) {
+    const isMac = navigator.platform.toUpperCase().indexOf('MAC') >= 0;
+    if (isMac) {
+        return ev.metaKey && !ev.altKey && !ev.ctrlKey;
+    } else {
+        return ev.ctrlKey && !ev.altKey && !ev.metaKey;
+    }
+}

src/Markdown.js

@@ -55,25 +55,6 @@ function is_multi_line(node) {
     return par.firstChild != par.lastChild;
 }
 
-import linkifyMatrix from './linkify-matrix';
-import * as linkify from 'linkifyjs';
-linkifyMatrix(linkify);
-
-// Thieved from draft-js-export-markdown
-function escapeMarkdown(s) {
-    return s.replace(/[*_`]/g, '\\$&');
-}
-
-// Replace URLs, room aliases and user IDs with md-escaped URLs
-function linkifyMarkdown(s) {
-    const links = linkify.find(s);
-    links.forEach((l) => {
-        // This may replace several instances of `l.value` at once, but that's OK
-        s = s.replace(l.value, escapeMarkdown(l.value));
-    });
-    return s;
-}
-
 /**
  * Class that wraps commonmark, adding the ability to see whether
  * a given message actually uses any markdown syntax or whether
@@ -81,7 +62,7 @@ function linkifyMarkdown(s) {
  */
 export default class Markdown {
     constructor(input) {
-        this.input = linkifyMarkdown(input);
+        this.input = input;
 
         const parser = new commonmark.Parser();
         this.parsed = parser.parse(this.input);

src/MatrixClientPeg.js

@@ -1,6 +1,7 @@
 /*
 Copyright 2015, 2016 OpenMarket Ltd
 Copyright 2017 Vector Creations Ltd.
+Copyright 2017 New Vector Ltd
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -22,6 +23,7 @@ import EventTimeline from 'matrix-js-sdk/lib/models/event-timeline';
 import EventTimelineSet from 'matrix-js-sdk/lib/models/event-timeline-set';
 import createMatrixClient from './utils/createMatrixClient';
 import SettingsStore from './settings/SettingsStore';
+import MatrixActionCreators from './actions/MatrixActionCreators';
 
 interface MatrixClientCreds {
     homeserverUrl: string,
@@ -68,6 +70,8 @@ class MatrixClientPeg {
 
     unset() {
         this.matrixClient = null;
+
+        MatrixActionCreators.stop();
     }
 
     /**
@@ -108,6 +112,9 @@ class MatrixClientPeg {
         // regardless of errors, start the client. If we did error out, we'll
         // just end up doing a full initial /sync.
 
+        // Connect the matrix client to the dispatcher
+        MatrixActionCreators.start(this.matrixClient);
+
         console.log(`MatrixClientPeg: really starting MatrixClient`);
         this.get().startClient(opts);
         console.log(`MatrixClientPeg: MatrixClient started`);

src/Modal.js

@@ -19,6 +19,7 @@ limitations under the License.
 
 const React = require('react');
 const ReactDOM = require('react-dom');
+import PropTypes from 'prop-types';
 import Analytics from './Analytics';
 import sdk from './index';
 
@@ -33,7 +34,7 @@ const AsyncWrapper = React.createClass({
         /** A function which takes a 'callback' argument which it will call
          * with the real component once it loads.
          */
-        loader: React.PropTypes.func.isRequired,
+        loader: PropTypes.func.isRequired,
     },
 
     getInitialState: function() {

src/Notifier.js

@@ -135,6 +135,10 @@ const Notifier = {
         const plaf = PlatformPeg.get();
         if (!plaf) return;
 
+        // Dev note: We don't set the "notificationsEnabled" setting to true here because it is a
+        // calculated value. It is determined based upon whether or not the master rule is enabled
+        // and other flags. Setting it here would cause a circular reference.
+
         Analytics.trackEvent('Notifier', 'Set Enabled', enable);
 
         // make sure that we persist the current setting audio_enabled setting
@@ -168,7 +172,7 @@ const Notifier = {
             });
             // clear the notifications_hidden flag, so that if notifications are
             // disabled again in the future, we will show the banner again.
-            this.setToolbarHidden(false);
+            this.setToolbarHidden(true);
         } else {
             dis.dispatch({
                 action: "notifier_enabled",

src/RoomInvite.js

@@ -85,9 +85,7 @@ function _onStartChatFinished(shouldInvite, addrs) {
         if (rooms.length > 0) {
             // A Direct Message room already exists for this user, so select a
             // room from a list that is similar to the one in MemberInfo panel
-            const ChatCreateOrReuseDialog = sdk.getComponent(
-                "views.dialogs.ChatCreateOrReuseDialog",
-            );
+            const ChatCreateOrReuseDialog = sdk.getComponent("views.dialogs.ChatCreateOrReuseDialog");
             const close = Modal.createTrackedDialog('Create or Reuse', '', ChatCreateOrReuseDialog, {
                 userId: addrTexts[0],
                 onNewDMClick: () => {
@@ -115,6 +113,15 @@ function _onStartChatFinished(shouldInvite, addrs) {
                 });
             });
         }
+    } else if (addrTexts.length === 1) {
+        // Start a new DM chat
+        createRoom({dmUserId: addrTexts[0]}).catch((err) => {
+            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
+            Modal.createTrackedDialog('Failed to invite user', '', ErrorDialog, {
+                title: _t("Failed to invite user"),
+                description: ((err && err.message) ? err.message : _t("Operation failed")),
+            });
+        });
     } else {
         // Start multi user chat
         let room;

src/RoomNotifs.js

@@ -34,7 +34,14 @@ export function getRoomNotifsState(roomId) {
     }
 
     // for everything else, look at the room rule.
-    const roomRule = MatrixClientPeg.get().getRoomPushRule('global', roomId);
+    let roomRule = null;
+    try {
+        roomRule = MatrixClientPeg.get().getRoomPushRule('global', roomId);
+    } catch (err) {
+        // Possible that the client doesn't have pushRules yet. If so, it
+        // hasn't started eiher, so indicate that this room is not notifying.
+        return null;
+    }
 
     // XXX: We have to assume the default is to notify for all messages
     // (in particular this will be 'wrong' for one to one rooms because
@@ -130,6 +137,11 @@ function setRoomNotifsStateUnmuted(roomId, newState) {
 }
 
 function findOverrideMuteRule(roomId) {
+    if (!MatrixClientPeg.get().pushRules ||
+        !MatrixClientPeg.get().pushRules['global'] ||
+        !MatrixClientPeg.get().pushRules['global'].override) {
+        return null;
+    }
     for (const rule of MatrixClientPeg.get().pushRules['global'].override) {
         if (isRuleForRoom(roomId, rule)) {
             if (isMuteRule(rule) && rule.enabled) {

src/Rooms.js

@@ -43,7 +43,7 @@ export function getOnlyOtherMember(room, me) {
     return null;
 }
 
-export function isConfCallRoom(room, me, conferenceHandler) {
+function _isConfCallRoom(room, me, conferenceHandler) {
     if (!conferenceHandler) return false;
 
     if (me.membership != "join") {
@@ -58,6 +58,26 @@ export function isConfCallRoom(room, me, conferenceHandler) {
     if (conferenceHandler.isConferenceUser(otherMember.userId)) {
         return true;
     }
+
+    return false;
+}
+
+// Cache whether a room is a conference call. Assumes that rooms will always
+// either will or will not be a conference call room.
+const isConfCallRoomCache = {
+    // $roomId: bool
+};
+
+export function isConfCallRoom(room, me, conferenceHandler) {
+    if (isConfCallRoomCache[room.roomId] !== undefined) {
+        return isConfCallRoomCache[room.roomId];
+    }
+
+    const result = _isConfCallRoom(room, me, conferenceHandler);
+
+    isConfCallRoomCache[room.roomId] = result;
+
+    return result;
 }
 
 export function looksLikeDirectMessageRoom(room, me) {

src/ScalarAuthClient.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import Promise from 'bluebird';
+import SettingsStore from "./settings/SettingsStore";
 const request = require('browser-request');
 
 const SdkConfig = require('./SdkConfig');
@@ -38,11 +39,53 @@ class ScalarAuthClient {
 
     // Returns a scalar_token string
     getScalarToken() {
-        const tok = window.localStorage.getItem("mx_scalar_token");
-        if (tok) return Promise.resolve(tok);
+        const token = window.localStorage.getItem("mx_scalar_token");
 
-        // No saved token, so do the dance to get one. First, we
-        // need an openid bearer token from the HS.
+        if (!token) {
+            return this.registerForToken();
+        } else {
+            return this.validateToken(token).then(userId => {
+                const me = MatrixClientPeg.get().getUserId();
+                if (userId !== me) {
+                    throw new Error("Scalar token is owned by someone else: " + me);
+                }
+                return token;
+            }).catch(err => {
+                console.error(err);
+
+                // Something went wrong - try to get a new token.
+                console.warn("Registering for new scalar token");
+                return this.registerForToken();
+            })
+        }
+    }
+
+    validateToken(token) {
+        let url = SdkConfig.get().integrations_rest_url + "/account";
+
+        const defer = Promise.defer();
+        request({
+            method: "GET",
+            uri: url,
+            qs: {scalar_token: token},
+            json: true,
+        }, (err, response, body) => {
+            if (err) {
+                defer.reject(err);
+            } else if (response.statusCode / 100 !== 2) {
+                defer.reject({statusCode: response.statusCode});
+            } else if (!body || !body.user_id) {
+                defer.reject(new Error("Missing user_id in response"));
+            } else {
+                defer.resolve(body.user_id);
+            }
+        });
+
+        return defer.promise;
+    }
+
+    registerForToken() {
+        // Get openid bearer token from the HS as the first part of our dance
         return MatrixClientPeg.get().getOpenIdToken().then((token_object) => {
             // Now we can send that to scalar and exchange it for a scalar token
             return this.exchangeForScalarToken(token_object);
@@ -109,6 +152,7 @@ class ScalarAuthClient {
         let url = SdkConfig.get().integrations_ui_url;
         url += "?scalar_token=" + encodeURIComponent(this.scalarToken);
         url += "&room_id=" + encodeURIComponent(roomId);
+        url += "&theme=" + encodeURIComponent(SettingsStore.getValue("theme"));
         if (id) {
             url += '&integ_id=' + encodeURIComponent(id);
         }

src/ScalarMessaging.js

@@ -557,8 +557,16 @@ const onMessage = function(event) {
     //
     // All strings start with the empty string, so for sanity return if the length
     // of the event origin is 0.
+    //
+    // TODO -- Scalar postMessage API should be namespaced with event.data.api field
+    // Fix following "if" statement to respond only to specific API messages.
     const url = SdkConfig.get().integrations_ui_url;
-    if (event.origin.length === 0 || !url.startsWith(event.origin) || !event.data.action) {
+    if (
+        event.origin.length === 0 ||
+        !url.startsWith(event.origin) ||
+        !event.data.action ||
+        event.data.api // Ignore messages with specific API set
+    ) {
         return; // don't log this - debugging APIs like to spam postMessage which floods the log otherwise
     }
 

src/SdkConfig.js

@@ -21,6 +21,13 @@ const DEFAULTS = {
     integrations_rest_url: "https://scalar.vector.im/api",
     // Where to send bug reports. If not specified, bugs cannot be sent.
     bug_report_endpoint_url: null,
+
+    piwik: {
+        url: "https://piwik.riot.im/",
+        whitelistedHSUrls: ["https://matrix.org"],
+        whitelistedISUrls: ["https://vector.im", "https://matrix.org"],
+        siteId: 1,
+    },
 };
 
 class SdkConfig {
@@ -45,3 +52,4 @@ class SdkConfig {
 }
 
 module.exports = SdkConfig;
+module.exports.DEFAULTS = DEFAULTS;

src/SlashCommands.js

@@ -96,6 +96,8 @@ const commands = {
                 colorScheme.primary_color = matches[1];
                 if (matches[4]) {
                     colorScheme.secondary_color = matches[4];
+                } else {
+                    colorScheme.secondary_color = colorScheme.primary_color;
                 }
                 return success(
                     SettingsStore.setValue("roomColor", roomId, SettingLevel.ROOM_ACCOUNT, colorScheme),
@@ -295,7 +297,7 @@ const commands = {
     // Define the power level of a user
     op: new Command("op", "<userId> [<power level>]", function(roomId, args) {
         if (args) {
-            const matches = args.match(/^(\S+?)( +(\d+))?$/);
+            const matches = args.match(/^(\S+?)( +(-?\d+))?$/);
             let powerLevel = 50; // default power level for op
             if (matches) {
                 const userId = matches[1];

src/TextForEvent.js

@@ -52,8 +52,7 @@ function textForMemberEvent(ev) {
         case 'join':
             if (prevContent && prevContent.membership === 'join') {
                 if (prevContent.displayname && content.displayname && prevContent.displayname !== content.displayname) {
-                    return _t('%(senderName)s changed their display name from %(oldDisplayName)s to %(displayName)s.', {
-                        senderName,
+                    return _t('%(oldDisplayName)s changed their display name to %(displayName)s.', {
                         oldDisplayName: prevContent.displayname,
                         displayName: content.displayname,
                     });

src/Velociraptor.js

@@ -1,5 +1,6 @@
 const React = require('react');
 const ReactDom = require('react-dom');
+import PropTypes from 'prop-types';
 const Velocity = require('velocity-vector');
 
 /**
@@ -14,16 +15,16 @@ module.exports = React.createClass({
 
     propTypes: {
         // either a list of child nodes, or a single child.
-        children: React.PropTypes.any,
+        children: PropTypes.any,
 
         // optional transition information for changing existing children
-        transition: React.PropTypes.object,
+        transition: PropTypes.object,
 
         // a list of state objects to apply to each child node in turn
-        startStyles: React.PropTypes.array,
+        startStyles: PropTypes.array,
 
         // a list of transition options from the corresponding startStyle
-        enterTransitionOpts: React.PropTypes.array,
+        enterTransitionOpts: PropTypes.array,
     },
 
     getDefaultProps: function() {

src/actions/GroupActions.js

@@ -0,0 +1,34 @@
+/*
+Copyright 2017 New Vector Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { asyncAction } from './actionCreators';
+
+const GroupActions = {};
+
+/**
+ * Creates an action thunk that will do an asynchronous request to fetch
+ * the groups to which a user is joined.
+ *
+ * @param {MatrixClient} matrixClient the matrix client to query.
+ * @returns {function} an action thunk that will dispatch actions
+ *                     indicating the status of the request.
+ * @see asyncAction
+ */
+GroupActions.fetchJoinedGroups = function(matrixClient) {
+    return asyncAction('GroupActions.fetchJoinedGroups', () => matrixClient.getJoinedGroups());
+};
+
+export default GroupActions;

src/actions/MatrixActionCreators.js

@@ -0,0 +1,108 @@
+/*
+Copyright 2017 New Vector Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import dis from '../dispatcher';
+
+// TODO: migrate from sync_state to MatrixActions.sync so that more js-sdk events
+//       become dispatches in the same place.
+/**
+ * Create a MatrixActions.sync action that represents a MatrixClient `sync` event,
+ * each parameter mapping to a key-value in the action.
+ *
+ * @param {MatrixClient} matrixClient the matrix client
+ * @param {string} state the current sync state.
+ * @param {string} prevState the previous sync state.
+ * @returns {Object} an action of type MatrixActions.sync.
+ */
+function createSyncAction(matrixClient, state, prevState) {
+    return {
+        action: 'MatrixActions.sync',
+        state,
+        prevState,
+        matrixClient,
+    };
+}
+
+/**
+ * @typedef AccountDataAction
+ * @type {Object}
+ * @property {string} action 'MatrixActions.accountData'.
+ * @property {MatrixEvent} event the MatrixEvent that triggered the dispatch.
+ * @property {string} event_type the type of the MatrixEvent, e.g. "m.direct".
+ * @property {Object} event_content the content of the MatrixEvent.
+ */
+
+/**
+ * Create a MatrixActions.accountData action that represents a MatrixClient `accountData`
+ * matrix event.
+ *
+ * @param {MatrixClient} matrixClient the matrix client.
+ * @param {MatrixEvent} accountDataEvent the account data event.
+ * @returns {AccountDataAction} an action of type MatrixActions.accountData.
+ */
+function createAccountDataAction(matrixClient, accountDataEvent) {
+    return {
+        action: 'MatrixActions.accountData',
+        event: accountDataEvent,
+        event_type: accountDataEvent.getType(),
+        event_content: accountDataEvent.getContent(),
+    };
+}
+
+/**
+ * This object is responsible for dispatching actions when certain events are emitted by
+ * the given MatrixClient.
+ */
+export default {
+    // A list of callbacks to call to unregister all listeners added
+    _matrixClientListenersStop: [],
+
+    /**
+     * Start listening to certain events from the MatrixClient and dispatch actions when
+     * they are emitted.
+     * @param {MatrixClient} matrixClient the MatrixClient to listen to events from
+     */
+    start(matrixClient) {
+        this._addMatrixClientListener(matrixClient, 'sync', createSyncAction);
+        this._addMatrixClientListener(matrixClient, 'accountData', createAccountDataAction);
+    },
+
+    /**
+     * Start listening to events of type eventName on matrixClient and when they are emitted,
+     * dispatch an action created by the actionCreator function.
+     * @param {MatrixClient} matrixClient a MatrixClient to register a listener with.
+     * @param {string} eventName the event to listen to on MatrixClient.
+     * @param {function} actionCreator a function that should return an action to dispatch
+     *                                 when given the MatrixClient as an argument as well as
+     *                                 arguments emitted in the MatrixClient event.
+     */
+    _addMatrixClientListener(matrixClient, eventName, actionCreator) {
+        const listener = (...args) => {
+            dis.dispatch(actionCreator(matrixClient, ...args));
+        };
+        matrixClient.on(eventName, listener);
+        this._matrixClientListenersStop.push(() => {
+            matrixClient.removeListener(eventName, listener);
+        });
+    },
+
+    /**
+     * Stop listening to events.
+     */
+    stop() {
+        this._matrixClientListenersStop.forEach((stopListener) => stopListener());
+    },
+};

src/actions/TagOrderActions.js

@@ -0,0 +1,59 @@
+/*
+Copyright 2017 New Vector Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import Analytics from '../Analytics';
+import { asyncAction } from './actionCreators';
+import TagOrderStore from '../stores/TagOrderStore';
+
+const TagOrderActions = {};
+
+/**
+ * Creates an action thunk that will do an asynchronous request to
+ * move a tag in TagOrderStore to destinationIx.
+ *
+ * @param {MatrixClient} matrixClient the matrix client to set the
+ *                                    account data on.
+ * @param {string} tag the tag to move.
+ * @param {number} destinationIx the new position of the tag.
+ * @returns {function} an action thunk that will dispatch actions
+ *                     indicating the status of the request.
+ * @see asyncAction
+ */
+TagOrderActions.moveTag = function(matrixClient, tag, destinationIx) {
+    // Only commit tags if the state is ready, i.e. not null
+    let tags = TagOrderStore.getOrderedTags();
+    if (!tags) {
+        return;
+    }
+
+    tags = tags.filter((t) => t !== tag);
+    tags = [...tags.slice(0, destinationIx), tag, ...tags.slice(destinationIx)];
+
+    const storeId = TagOrderStore.getStoreId();
+
+    return asyncAction('TagOrderActions.moveTag', () => {
+        Analytics.trackEvent('TagOrderActions', 'commitTagOrdering');
+        return matrixClient.setAccountData(
+            'im.vector.web.tag_ordering',
+            {tags, _storeId: storeId},
+        );
+    }, () => {
+        // For an optimistic update
+        return {tags};
+    });
+};
+
+export default TagOrderActions;

src/actions/actionCreators.js

@@ -0,0 +1,48 @@
+/*
+Copyright 2017 New Vector Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+/**
+ * Create an action thunk that will dispatch actions indicating the current
+ * status of the Promise returned by fn.
+ *
+ * @param {string} id the id to give the dispatched actions. This is given a
+ *                    suffix determining whether it is pending, successful or
+ *                    a failure.
+ * @param {function} fn a function that returns a Promise.
+ * @param {function?} pendingFn a function that returns an object to assign
+ *                              to the `request` key of the ${id}.pending
+ *                              payload.
+ * @returns {function} an action thunk - a function that uses its single
+ *                     argument as a dispatch function to dispatch the
+ *                     following actions:
+ *                         `${id}.pending` and either
+ *                         `${id}.success` or
+ *                         `${id}.failure`.
+ */
+export function asyncAction(id, fn, pendingFn) {
+    return (dispatch) => {
+        dispatch({
+            action: id + '.pending',
+            request:
+                typeof pendingFn === 'function' ? pendingFn() : undefined,
+        });
+        fn().then((result) => {
+            dispatch({action: id + '.success', result});
+        }).catch((err) => {
+            dispatch({action: id + '.failure', err});
+        });
+    };
+}

src/async-components/views/dialogs/EncryptedEventDialog.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 const React = require("react");
+import PropTypes from 'prop-types';
 import { _t } from '../../../languageHandler';
 const sdk = require('../../../index');
 const MatrixClientPeg = require("../../../MatrixClientPeg");
@@ -23,8 +24,8 @@ module.exports = React.createClass({
     displayName: 'EncryptedEventDialog',
 
     propTypes: {
-        event: React.PropTypes.object.isRequired,
-        onFinished: React.PropTypes.func.isRequired,
+        event: PropTypes.object.isRequired,
+        onFinished: PropTypes.func.isRequired,
     },
 
     getInitialState: function() {

src/async-components/views/dialogs/ExportE2eKeysDialog.js

@@ -16,6 +16,7 @@ limitations under the License.
 
 import FileSaver from 'file-saver';
 import React from 'react';
+import PropTypes from 'prop-types';
 import { _t } from '../../../languageHandler';
 
 import * as Matrix from 'matrix-js-sdk';
@@ -29,8 +30,8 @@ export default React.createClass({
     displayName: 'ExportE2eKeysDialog',
 
     propTypes: {
-        matrixClient: React.PropTypes.instanceOf(Matrix.MatrixClient).isRequired,
-        onFinished: React.PropTypes.func.isRequired,
+        matrixClient: PropTypes.instanceOf(Matrix.MatrixClient).isRequired,
+        onFinished: PropTypes.func.isRequired,
     },
 
     getInitialState: function() {

src/async-components/views/dialogs/ImportE2eKeysDialog.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 
 import * as Matrix from 'matrix-js-sdk';
 import * as MegolmExportEncryption from '../../../utils/MegolmExportEncryption';
@@ -40,8 +41,8 @@ export default React.createClass({
     displayName: 'ImportE2eKeysDialog',
 
     propTypes: {
-        matrixClient: React.PropTypes.instanceOf(Matrix.MatrixClient).isRequired,
-        onFinished: React.PropTypes.func.isRequired,
+        matrixClient: PropTypes.instanceOf(Matrix.MatrixClient).isRequired,
+        onFinished: PropTypes.func.isRequired,
     },
 
     getInitialState: function() {

src/autocomplete/Components.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import classNames from 'classnames';
 
 /* These were earlier stateless functional components but had to be converted
@@ -42,10 +43,10 @@ export class TextualCompletion extends React.Component {
     }
 }
 TextualCompletion.propTypes = {
-    title: React.PropTypes.string,
-    subtitle: React.PropTypes.string,
-    description: React.PropTypes.string,
-    className: React.PropTypes.string,
+    title: PropTypes.string,
+    subtitle: PropTypes.string,
+    description: PropTypes.string,
+    className: PropTypes.string,
 };
 
 export class PillCompletion extends React.Component {
@@ -69,9 +70,9 @@ export class PillCompletion extends React.Component {
     }
 }
 PillCompletion.propTypes = {
-    title: React.PropTypes.string,
-    subtitle: React.PropTypes.string,
-    description: React.PropTypes.string,
-    initialComponent: React.PropTypes.element,
-    className: React.PropTypes.string,
+    title: PropTypes.string,
+    subtitle: PropTypes.string,
+    description: PropTypes.string,
+    initialComponent: PropTypes.element,
+    className: PropTypes.string,
 };

src/autocomplete/RoomProvider.js

@@ -25,6 +25,7 @@ import {PillCompletion} from './Components';
 import {getDisplayAliasForRoom} from '../Rooms';
 import sdk from '../index';
 import _sortBy from 'lodash/sortBy';
+import {makeRoomPermalink} from "../matrix-to";
 
 const ROOM_REGEX = /(?=#)(\S*)/g;
 
@@ -78,7 +79,7 @@ export default class RoomProvider extends AutocompleteProvider {
                 return {
                     completion: displayAlias,
                     suffix: ' ',
-                    href: 'https://matrix.to/#/' + displayAlias,
+                    href: makeRoomPermalink(displayAlias),
                     component: (
                         <PillCompletion initialComponent={<RoomAvatar width={24} height={24} room={room.room} />} title={room.name} description={displayAlias} />
                     ),

src/autocomplete/UserProvider.js

@@ -28,6 +28,7 @@ import _sortBy from 'lodash/sortBy';
 import MatrixClientPeg from '../MatrixClientPeg';
 
 import type {Room, RoomMember} from 'matrix-js-sdk';
+import {makeUserPermalink} from "../matrix-to";
 
 const USER_REGEX = /@\S*/g;
 
@@ -106,7 +107,7 @@ export default class UserProvider extends AutocompleteProvider {
                     // relies on the length of the entity === length of the text in the decoration.
                     completion: user.rawDisplayName.replace(' (IRC)', ''),
                     suffix: range.start === 0 ? ': ' : ' ',
-                    href: 'https://matrix.to/#/' + user.userId,
+                    href: makeUserPermalink(user.userId),
                     component: (
                         <PillCompletion
                             initialComponent={<MemberAvatar member={user} width={24} height={24} />}

src/components/structures/ContextualMenu.js

@@ -20,6 +20,7 @@ limitations under the License.
 const classNames = require('classnames');
 const React = require('react');
 const ReactDOM = require('react-dom');
+import PropTypes from 'prop-types';
 
 // Shamelessly ripped off Modal.js.  There's probably a better way
 // of doing reusable widgets like dialog boxes & menus where we go and
@@ -29,11 +30,11 @@ module.exports = {
     ContextualMenuContainerId: "mx_ContextualMenu_Container",
 
     propTypes: {
-        menuWidth: React.PropTypes.number,
-        menuHeight: React.PropTypes.number,
-        chevronOffset: React.PropTypes.number,
-        menuColour: React.PropTypes.string,
-        chevronFace: React.PropTypes.string, // top, bottom, left, right
+        menuWidth: PropTypes.number,
+        menuHeight: PropTypes.number,
+        chevronOffset: PropTypes.number,
+        menuColour: PropTypes.string,
+        chevronFace: PropTypes.string, // top, bottom, left, right
     },
 
     getOrCreateContainer: function() {

src/components/structures/CreateRoom.js

@@ -17,6 +17,7 @@ limitations under the License.
 'use strict';
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import { _t } from '../../languageHandler';
 import sdk from '../../index';
 import MatrixClientPeg from '../../MatrixClientPeg';
@@ -30,8 +31,8 @@ module.exports = React.createClass({
     displayName: 'CreateRoom',
 
     propTypes: {
-        onRoomCreated: React.PropTypes.func,
-        collapsedRhs: React.PropTypes.bool,
+        onRoomCreated: PropTypes.func,
+        collapsedRhs: PropTypes.bool,
     },
 
     phases: {

src/components/structures/FilePanel.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 
 import Matrix from 'matrix-js-sdk';
 import sdk from '../../index';
@@ -28,7 +29,7 @@ const FilePanel = React.createClass({
     displayName: 'FilePanel',
 
     propTypes: {
-        roomId: React.PropTypes.string.isRequired,
+        roomId: PropTypes.string.isRequired,
     },
 
     getInitialState: function() {

src/components/structures/GroupView.js

@@ -31,6 +31,7 @@ import GroupStoreCache from '../../stores/GroupStoreCache';
 import GroupStore from '../../stores/GroupStore';
 import { showGroupAddRoomDialog } from '../../GroupAddressPicker';
 import GeminiScrollbar from 'react-gemini-scrollbar';
+import {makeGroupPermalink, makeUserPermalink} from "../../matrix-to";
 
 const LONG_DESC_PLACEHOLDER = _td(
 `<h1>HTML for your community's page</h1>
@@ -209,7 +210,7 @@ const FeaturedRoom = React.createClass({
 
         let permalink = null;
         if (this.props.summaryInfo.profile && this.props.summaryInfo.profile.canonical_alias) {
-            permalink = 'https://matrix.to/#/' + this.props.summaryInfo.profile.canonical_alias;
+            permalink = makeGroupPermalink(this.props.summaryInfo.profile.canonical_alias);
         }
 
         let roomNameNode = null;
@@ -366,7 +367,7 @@ const FeaturedUser = React.createClass({
         const BaseAvatar = sdk.getComponent("avatars.BaseAvatar");
         const name = this.props.summaryInfo.displayname || this.props.summaryInfo.user_id;
 
-        const permalink = 'https://matrix.to/#/' + this.props.summaryInfo.user_id;
+        const permalink = makeUserPermalink(this.props.summaryInfo.user_id);
         const userNameNode = <a href={permalink} onClick={this.onClick}>{ name }</a>;
         const httpUrl = MatrixClientPeg.get()
             .mxcUrlToHttp(this.props.summaryInfo.avatar_url, 64, 64);
@@ -390,7 +391,7 @@ const FeaturedUser = React.createClass({
 });
 
 const GroupContext = {
-    groupStore: React.PropTypes.instanceOf(GroupStore).isRequired,
+    groupStore: PropTypes.instanceOf(GroupStore).isRequired,
 };
 
 CategoryRoomList.contextTypes = GroupContext;
@@ -408,7 +409,7 @@ export default React.createClass({
     },
 
     childContextTypes: {
-        groupStore: React.PropTypes.instanceOf(GroupStore),
+        groupStore: PropTypes.instanceOf(GroupStore),
     },
 
     getChildContext: function() {

src/components/structures/InteractiveAuth.js

@@ -18,6 +18,7 @@ import Matrix from 'matrix-js-sdk';
 const InteractiveAuth = Matrix.InteractiveAuth;
 
 import React from 'react';
+import PropTypes from 'prop-types';
 
 import {getEntryComponentForLoginType} from '../views/login/InteractiveAuthEntryComponents';
 
@@ -26,18 +27,18 @@ export default React.createClass({
 
     propTypes: {
         // matrix client to use for UI auth requests
-        matrixClient: React.PropTypes.object.isRequired,
+        matrixClient: PropTypes.object.isRequired,
 
         // response from initial request. If not supplied, will do a request on
         // mount.
-        authData: React.PropTypes.shape({
-            flows: React.PropTypes.array,
-            params: React.PropTypes.object,
-            session: React.PropTypes.string,
+        authData: PropTypes.shape({
+            flows: PropTypes.array,
+            params: PropTypes.object,
+            session: PropTypes.string,
         }),
 
         // callback
-        makeRequest: React.PropTypes.func.isRequired,
+        makeRequest: PropTypes.func.isRequired,
 
         // callback called when the auth process has finished,
         // successfully or unsuccessfully.
@@ -51,22 +52,22 @@ export default React.createClass({
         //            the auth session.
         //      * clientSecret {string} The client secret used in auth
         //            sessions with the ID server.
-        onAuthFinished: React.PropTypes.func.isRequired,
+        onAuthFinished: PropTypes.func.isRequired,
 
         // Inputs provided by the user to the auth process
         // and used by various stages. As passed to js-sdk
         // interactive-auth
-        inputs: React.PropTypes.object,
+        inputs: PropTypes.object,
 
         // As js-sdk interactive-auth
-        makeRegistrationUrl: React.PropTypes.func,
-        sessionId: React.PropTypes.string,
-        clientSecret: React.PropTypes.string,
-        emailSid: React.PropTypes.string,
+        makeRegistrationUrl: PropTypes.func,
+        sessionId: PropTypes.string,
+        clientSecret: PropTypes.string,
+        emailSid: PropTypes.string,
 
         // If true, poll to see if the auth flow has been completed
         // out-of-band
-        poll: React.PropTypes.bool,
+        poll: PropTypes.bool,
     },
 
     getInitialState: function() {

src/components/structures/LoggedInView.js

@@ -18,6 +18,7 @@ limitations under the License.
 
 import * as Matrix from 'matrix-js-sdk';
 import React from 'react';
+import PropTypes from 'prop-types';
 
 import { KeyCode, isOnlyCtrlOrCmdKeyEvent } from '../../Keyboard';
 import Notifier from '../../Notifier';
@@ -38,27 +39,27 @@ import SettingsStore from "../../settings/SettingsStore";
  *
  * Components mounted below us can access the matrix client via the react context.
  */
-export default React.createClass({
+const LoggedInView = React.createClass({
     displayName: 'LoggedInView',
 
     propTypes: {
-        matrixClient: React.PropTypes.instanceOf(Matrix.MatrixClient).isRequired,
-        page_type: React.PropTypes.string.isRequired,
-        onRoomCreated: React.PropTypes.func,
-        onUserSettingsClose: React.PropTypes.func,
+        matrixClient: PropTypes.instanceOf(Matrix.MatrixClient).isRequired,
+        page_type: PropTypes.string.isRequired,
+        onRoomCreated: PropTypes.func,
+        onUserSettingsClose: PropTypes.func,
 
         // Called with the credentials of a registered user (if they were a ROU that
         // transitioned to PWLU)
-        onRegistered: React.PropTypes.func,
+        onRegistered: PropTypes.func,
 
-        teamToken: React.PropTypes.string,
+        teamToken: PropTypes.string,
 
         // and lots and lots of other stuff.
     },
 
     childContextTypes: {
-        matrixClient: React.PropTypes.instanceOf(Matrix.MatrixClient),
-        authCache: React.PropTypes.object,
+        matrixClient: PropTypes.instanceOf(Matrix.MatrixClient),
+        authCache: PropTypes.object,
     },
 
     getChildContext: function() {
@@ -331,7 +332,6 @@ export default React.createClass({
                 <div className={bodyClasses}>
                     { SettingsStore.isFeatureEnabled("feature_tag_panel") ? <TagPanel /> : <div /> }
                     <LeftPanel
-                        selectedRoom={this.props.currentRoomId}
                         collapsed={this.props.collapseLhs || false}
                         disabled={this.props.leftDisabled}
                     />
@@ -344,3 +344,5 @@ export default React.createClass({
         );
     },
 });
+
+export default LoggedInView;

src/components/structures/MatrixChat.js

@@ -19,6 +19,7 @@ limitations under the License.
 import Promise from 'bluebird';
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import Matrix from "matrix-js-sdk";
 
 import Analytics from "../../Analytics";
@@ -83,7 +84,7 @@ const ONBOARDING_FLOW_STARTERS = [
     'view_create_group',
 ];
 
-module.exports = React.createClass({
+export default React.createClass({
     // we export this so that the integration tests can use it :-S
     statics: {
         VIEWS: VIEWS,
@@ -92,38 +93,38 @@ module.exports = React.createClass({
     displayName: 'MatrixChat',
 
     propTypes: {
-        config: React.PropTypes.object,
-        ConferenceHandler: React.PropTypes.any,
-        onNewScreen: React.PropTypes.func,
-        registrationUrl: React.PropTypes.string,
-        enableGuest: React.PropTypes.bool,
+        config: PropTypes.object,
+        ConferenceHandler: PropTypes.any,
+        onNewScreen: PropTypes.func,
+        registrationUrl: PropTypes.string,
+        enableGuest: PropTypes.bool,
 
         // the queryParams extracted from the [real] query-string of the URI
-        realQueryParams: React.PropTypes.object,
+        realQueryParams: PropTypes.object,
 
         // the initial queryParams extracted from the hash-fragment of the URI
-        startingFragmentQueryParams: React.PropTypes.object,
+        startingFragmentQueryParams: PropTypes.object,
 
         // called when we have completed a token login
-        onTokenLoginCompleted: React.PropTypes.func,
+        onTokenLoginCompleted: PropTypes.func,
 
         // Represents the screen to display as a result of parsing the initial
         // window.location
-        initialScreenAfterLogin: React.PropTypes.shape({
-            screen: React.PropTypes.string.isRequired,
-            params: React.PropTypes.object,
+        initialScreenAfterLogin: PropTypes.shape({
+            screen: PropTypes.string.isRequired,
+            params: PropTypes.object,
         }),
 
         // displayname, if any, to set on the device when logging
         // in/registering.
-        defaultDeviceDisplayName: React.PropTypes.string,
+        defaultDeviceDisplayName: PropTypes.string,
 
         // A function that makes a registration URL
-        makeRegistrationUrl: React.PropTypes.func.isRequired,
+        makeRegistrationUrl: PropTypes.func.isRequired,
     },
 
     childContextTypes: {
-        appConfig: React.PropTypes.object,
+        appConfig: PropTypes.object,
     },
 
     AuxPanel: {
@@ -846,16 +847,36 @@ module.exports = React.createClass({
         }).close;
     },
 
+    _leaveRoomWarnings: function(roomId) {
+        const roomToLeave = MatrixClientPeg.get().getRoom(roomId);
+        // Show a warning if there are additional complications.
+        const joinRules = roomToLeave.currentState.getStateEvents('m.room.join_rules', '');
+        const warnings = [];
+        if (joinRules) {
+            const rule = joinRules.getContent().join_rule;
+            if (rule !== "public") {
+                warnings.push((
+                    <span className="warning" key="non_public_warning">
+                        { _t("This room is not public. You will not be able to rejoin without an invite.") }
+                    </span>
+                ));
+            }
+        }
+        return warnings;
+    },
+
     _leaveRoom: function(roomId) {
         const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
         const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
-
         const roomToLeave = MatrixClientPeg.get().getRoom(roomId);
+        const warnings = this._leaveRoomWarnings(roomId);
+
         Modal.createTrackedDialog('Leave room', '', QuestionDialog, {
             title: _t("Leave room"),
             description: (
                 <span>
                 { _t("Are you sure you want to leave the room '%(roomName)s'?", {roomName: roomToLeave.name}) }
+                { warnings }
                 </span>
             ),
             onFinished: (shouldLeave) => {
@@ -1065,10 +1086,10 @@ module.exports = React.createClass({
             // this if we are not scrolled up in the view. To find out, delegate to
             // the timeline panel. If the timeline panel doesn't exist, then we assume
             // it is safe to reset the timeline.
-            if (!self.refs.loggedInView) {
+            if (!self._loggedInView || !self._loggedInView.child) {
                 return true;
             }
-            return self.refs.loggedInView.canResetTimelineInRoom(roomId);
+            return self._loggedInView.child.canResetTimelineInRoom(roomId);
         });
 
         cli.on('sync', function(state, prevState) {
@@ -1487,6 +1508,10 @@ module.exports = React.createClass({
         return this.props.makeRegistrationUrl(params);
     },
 
+    _collectLoggedInView: function(ref) {
+        this._loggedInView = ref;
+    },
+
     render: function() {
         // console.log(`Rendering MatrixChat with view ${this.state.view}`);
 
@@ -1519,7 +1544,7 @@ module.exports = React.createClass({
                  */
                 const LoggedInView = sdk.getComponent('structures.LoggedInView');
                 return (
-                   <LoggedInView ref="loggedInView" matrixClient={MatrixClientPeg.get()}
+                   <LoggedInView ref={this._collectLoggedInView} matrixClient={MatrixClientPeg.get()}
                         onRoomCreated={this.onRoomCreated}
                         onUserSettingsClose={this.onUserSettingsClose}
                         onRegistered={this.onRegistered}

src/components/structures/MessagePanel.js

@@ -16,15 +16,15 @@ limitations under the License.
 
 import React from 'react';
 import ReactDOM from 'react-dom';
+import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import shouldHideEvent from '../../shouldHideEvent';
+import {wantsDateSeparator} from '../../DateUtils';
 import dis from "../../dispatcher";
 import sdk from '../../index';
 
 import MatrixClientPeg from '../../MatrixClientPeg';
 
-const MILLIS_IN_DAY = 86400000;
-
 /* (almost) stateless UI component which builds the event tiles in the room timeline.
  */
 module.exports = React.createClass({
@@ -32,63 +32,63 @@ module.exports = React.createClass({
 
     propTypes: {
         // true to give the component a 'display: none' style.
-        hidden: React.PropTypes.bool,
+        hidden: PropTypes.bool,
 
         // true to show a spinner at the top of the timeline to indicate
         // back-pagination in progress
-        backPaginating: React.PropTypes.bool,
+        backPaginating: PropTypes.bool,
 
         // true to show a spinner at the end of the timeline to indicate
         // forward-pagination in progress
-        forwardPaginating: React.PropTypes.bool,
+        forwardPaginating: PropTypes.bool,
 
         // the list of MatrixEvents to display
-        events: React.PropTypes.array.isRequired,
+        events: PropTypes.array.isRequired,
 
         // ID of an event to highlight. If undefined, no event will be highlighted.
-        highlightedEventId: React.PropTypes.string,
+        highlightedEventId: PropTypes.string,
 
         // Should we show URL Previews
-        showUrlPreview: React.PropTypes.bool,
+        showUrlPreview: PropTypes.bool,
 
         // event after which we should show a read marker
-        readMarkerEventId: React.PropTypes.string,
+        readMarkerEventId: PropTypes.string,
 
         // whether the read marker should be visible
-        readMarkerVisible: React.PropTypes.bool,
+        readMarkerVisible: PropTypes.bool,
 
         // the userid of our user. This is used to suppress the read marker
         // for pending messages.
-        ourUserId: React.PropTypes.string,
+        ourUserId: PropTypes.string,
 
         // true to suppress the date at the start of the timeline
-        suppressFirstDateSeparator: React.PropTypes.bool,
+        suppressFirstDateSeparator: PropTypes.bool,
 
         // whether to show read receipts
-        showReadReceipts: React.PropTypes.bool,
+        showReadReceipts: PropTypes.bool,
 
         // true if updates to the event list should cause the scroll panel to
         // scroll down when we are at the bottom of the window. See ScrollPanel
         // for more details.
-        stickyBottom: React.PropTypes.bool,
+        stickyBottom: PropTypes.bool,
 
         // callback which is called when the panel is scrolled.
-        onScroll: React.PropTypes.func,
+        onScroll: PropTypes.func,
 
         // callback which is called when more content is needed.
-        onFillRequest: React.PropTypes.func,
+        onFillRequest: PropTypes.func,
 
         // className for the panel
-        className: React.PropTypes.string.isRequired,
+        className: PropTypes.string.isRequired,
 
         // shape parameter to be passed to EventTiles
-        tileShape: React.PropTypes.string,
+        tileShape: PropTypes.string,
 
         // show twelve hour timestamps
-        isTwelveHour: React.PropTypes.bool,
+        isTwelveHour: PropTypes.bool,
 
         // show timestamps always
-        alwaysShowTimestamps: React.PropTypes.bool,
+        alwaysShowTimestamps: PropTypes.bool,
     },
 
     componentWillMount: function() {
@@ -325,7 +325,7 @@ module.exports = React.createClass({
                 const key = "membereventlistsummary-" + (prevEvent ? mxEv.getId() : "initial");
 
                 if (this._wantsDateSeparator(prevEvent, mxEv.getDate())) {
-                    const dateSeparator = <li key={ts1+'~'}><DateSeparator key={ts1+'~'} ts={ts1} showTwelveHour={this.props.isTwelveHour} /></li>;
+                    const dateSeparator = <li key={ts1+'~'}><DateSeparator key={ts1+'~'} ts={ts1} /></li>;
                     ret.push(dateSeparator);
                 }
 
@@ -479,7 +479,7 @@ module.exports = React.createClass({
 
         // do we need a date separator since the last event?
         if (this._wantsDateSeparator(prevEvent, eventDate)) {
-            const dateSeparator = <li key={ts1}><DateSeparator key={ts1} ts={ts1} showTwelveHour={this.props.isTwelveHour} /></li>;
+            const dateSeparator = <li key={ts1}><DateSeparator key={ts1} ts={ts1} /></li>;
             ret.push(dateSeparator);
             continuation = false;
         }
@@ -522,17 +522,7 @@ module.exports = React.createClass({
             // here.
             return !this.props.suppressFirstDateSeparator;
         }
-        const prevEventDate = prevEvent.getDate();
-        if (!nextEventDate || !prevEventDate) {
-            return false;
-        }
-        // Return early for events that are > 24h apart
-        if (Math.abs(prevEvent.getTs() - nextEventDate.getTime()) > MILLIS_IN_DAY) {
-            return true;
-        }
-
-        // Compare weekdays
-        return prevEventDate.getDay() !== nextEventDate.getDay();
+        return wantsDateSeparator(prevEvent.getDate(), nextEventDate);
     },
 
     // get a list of read receipts that should be shown next to this event

src/components/structures/MyGroups.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import GeminiScrollbar from 'react-gemini-scrollbar';
 import sdk from '../../index';
 import { _t } from '../../languageHandler';
@@ -26,7 +27,7 @@ export default withMatrixClient(React.createClass({
     displayName: 'MyGroups',
 
     propTypes: {
-        matrixClient: React.PropTypes.object.isRequired,
+        matrixClient: PropTypes.object.isRequired,
     },
 
     getInitialState: function() {

src/components/structures/RoomStatusBar.js

@@ -16,6 +16,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import Matrix from 'matrix-js-sdk';
 import { _t } from '../../languageHandler';
 import sdk from '../../index';
@@ -23,7 +24,7 @@ import WhoIsTyping from '../../WhoIsTyping';
 import MatrixClientPeg from '../../MatrixClientPeg';
 import MemberAvatar from '../views/avatars/MemberAvatar';
 import Resend from '../../Resend';
-import { showUnknownDeviceDialogForMessages } from '../../cryptodevices';
+import * as cryptodevices from '../../cryptodevices';
 
 const STATUS_BAR_HIDDEN = 0;
 const STATUS_BAR_EXPANDED = 1;
@@ -41,59 +42,59 @@ module.exports = React.createClass({
 
     propTypes: {
         // the room this statusbar is representing.
-        room: React.PropTypes.object.isRequired,
+        room: PropTypes.object.isRequired,
 
         // the number of messages which have arrived since we've been scrolled up
-        numUnreadMessages: React.PropTypes.number,
+        numUnreadMessages: PropTypes.number,
 
         // this is true if we are fully scrolled-down, and are looking at
         // the end of the live timeline.
-        atEndOfLiveTimeline: React.PropTypes.bool,
+        atEndOfLiveTimeline: PropTypes.bool,
 
         // This is true when the user is alone in the room, but has also sent a message.
         // Used to suggest to the user to invite someone
-        sentMessageAndIsAlone: React.PropTypes.bool,
+        sentMessageAndIsAlone: PropTypes.bool,
 
         // true if there is an active call in this room (means we show
         // the 'Active Call' text in the status bar if there is nothing
         // more interesting)
-        hasActiveCall: React.PropTypes.bool,
+        hasActiveCall: PropTypes.bool,
 
         // Number of names to display in typing indication. E.g. set to 3, will
         // result in "X, Y, Z and 100 others are typing."
-        whoIsTypingLimit: React.PropTypes.number,
+        whoIsTypingLimit: PropTypes.number,
 
         // callback for when the user clicks on the 'resend all' button in the
         // 'unsent messages' bar
-        onResendAllClick: React.PropTypes.func,
+        onResendAllClick: PropTypes.func,
 
         // callback for when the user clicks on the 'cancel all' button in the
         // 'unsent messages' bar
-        onCancelAllClick: React.PropTypes.func,
+        onCancelAllClick: PropTypes.func,
 
         // callback for when the user clicks on the 'invite others' button in the
         // 'you are alone' bar
-        onInviteClick: React.PropTypes.func,
+        onInviteClick: PropTypes.func,
 
         // callback for when the user clicks on the 'stop warning me' button in the
         // 'you are alone' bar
-        onStopWarningClick: React.PropTypes.func,
+        onStopWarningClick: PropTypes.func,
 
         // callback for when the user clicks on the 'scroll to bottom' button
-        onScrollToBottomClick: React.PropTypes.func,
+        onScrollToBottomClick: PropTypes.func,
 
         // callback for when we do something that changes the size of the
         // status bar. This is used to trigger a re-layout in the parent
         // component.
-        onResize: React.PropTypes.func,
+        onResize: PropTypes.func,
 
         // callback for when the status bar can be hidden from view, as it is
         // not displaying anything
-        onHidden: React.PropTypes.func,
+        onHidden: PropTypes.func,
 
         // callback for when the status bar is displaying something and should
         // be visible
-        onVisible: React.PropTypes.func,
+        onVisible: PropTypes.func,
     },
 
     getDefaultProps: function() {
@@ -147,6 +148,13 @@ module.exports = React.createClass({
         });
     },
 
+    _onSendWithoutVerifyingClick: function() {
+        cryptodevices.getUnknownDevicesForRoom(MatrixClientPeg.get(), this.props.room).then((devices) => {
+            cryptodevices.markAllDevicesKnown(MatrixClientPeg.get(), devices);
+            Resend.resendUnsentEvents(this.props.room);
+        });
+    },
+
     _onResendAllClick: function() {
         Resend.resendUnsentEvents(this.props.room);
     },
@@ -156,7 +164,7 @@ module.exports = React.createClass({
     },
 
     _onShowDevicesClick: function() {
-        showUnknownDeviceDialogForMessages(MatrixClientPeg.get(), this.props.room);
+        cryptodevices.showUnknownDeviceDialogForMessages(MatrixClientPeg.get(), this.props.room);
     },
 
     _onRoomLocalEchoUpdated: function(event, room, oldEventId, oldStatus) {
@@ -169,8 +177,10 @@ module.exports = React.createClass({
 
     // Check whether current size is greater than 0, if yes call props.onVisible
     _checkSize: function() {
-        if (this.props.onVisible && this._getSize()) {
-            this.props.onVisible();
+        if (this._getSize()) {
+            if (this.props.onVisible) this.props.onVisible();
+        } else {
+            if (this.props.onHidden) this.props.onHidden();
         }
     },
 
@@ -286,10 +296,11 @@ module.exports = React.createClass({
         if (hasUDE) {
             title = _t("Message not sent due to unknown devices being present");
             content = _t(
-                "<showDevicesText>Show devices</showDevicesText> or <cancelText>cancel all</cancelText>.",
+                "<showDevicesText>Show devices</showDevicesText>, <sendAnywayText>send anyway</sendAnywayText> or <cancelText>cancel</cancelText>.",
                 {},
                 {
                     'showDevicesText': (sub) => <a className="mx_RoomStatusBar_resend_link" key="resend" onClick={this._onShowDevicesClick}>{ sub }</a>,
+                    'sendAnywayText': (sub) => <a className="mx_RoomStatusBar_resend_link" key="sendAnyway" onClick={this._onSendWithoutVerifyingClick}>{ sub }</a>,
                     'cancelText': (sub) => <a className="mx_RoomStatusBar_resend_link" key="cancel" onClick={this._onCancelAllClick}>{ sub }</a>,
                 },
             );
@@ -302,11 +313,11 @@ module.exports = React.createClass({
             ) {
                 title = unsentMessages[0].error.data.error;
             } else {
-                title = _t("Some of your messages have not been sent.");
+                title = _t('%(count)s of your messages have not been sent.', { count: unsentMessages.length });
             }
-            content = _t("<resendText>Resend all</resendText> or <cancelText>cancel all</cancelText> now. " +
+            content = _t("%(count)s <resendText>Resend all</resendText> or <cancelText>cancel all</cancelText> now. " +
                "You can also select individual messages to resend or cancel.",
-                {},
+                { count: unsentMessages.length },
                 {
                     'resendText': (sub) =>
                         <a className="mx_RoomStatusBar_resend_link" key="resend" onClick={this._onResendAllClick}>{ sub }</a>,

src/components/structures/RoomView.js

@@ -24,6 +24,7 @@ import shouldHideEvent from "../../shouldHideEvent";
 
 const React = require("react");
 const ReactDOM = require("react-dom");
+import PropTypes from 'prop-types';
 import Promise from 'bluebird';
 const classNames = require("classnames");
 import { _t } from '../../languageHandler';
@@ -58,18 +59,18 @@ if (DEBUG) {
 module.exports = React.createClass({
     displayName: 'RoomView',
     propTypes: {
-        ConferenceHandler: React.PropTypes.any,
+        ConferenceHandler: PropTypes.any,
 
         // Called with the credentials of a registered user (if they were a ROU that
         // transitioned to PWLU)
-        onRegistered: React.PropTypes.func,
+        onRegistered: PropTypes.func,
 
         // An object representing a third party invite to join this room
         // Fields:
         // * inviteSignUrl (string) The URL used to join this room from an email invite
         //                          (given as part of the link in the invite email)
         // * invitedEmail (string) The email address that was invited to this room
-        thirdPartyInvite: React.PropTypes.object,
+        thirdPartyInvite: PropTypes.object,
 
         // Any data about the room that would normally come from the Home Server
         // but has been passed out-of-band, eg. the room name and avatar URL
@@ -80,10 +81,10 @@ module.exports = React.createClass({
         //  * avatarUrl (string) The mxc:// avatar URL for the room
         //  * inviterName (string) The display name of the person who
         //  *                      invited us tovthe room
-        oobData: React.PropTypes.object,
+        oobData: PropTypes.object,
 
         // is the RightPanel collapsed?
-        collapsedRhs: React.PropTypes.bool,
+        collapsedRhs: PropTypes.bool,
     },
 
     getInitialState: function() {
@@ -854,9 +855,13 @@ module.exports = React.createClass({
 
         ev.dataTransfer.dropEffect = 'none';
 
-        const items = ev.dataTransfer.items;
-        if (items.length == 1) {
-            if (items[0].kind == 'file') {
+        const items = [...ev.dataTransfer.items];
+        if (items.length >= 1) {
+            const isDraggingFiles = items.every(function(item) {
+                return item.kind == 'file';
+            });
+
+            if (isDraggingFiles) {
                 this.setState({ draggingFile: true });
                 ev.dataTransfer.dropEffect = 'copy';
             }
@@ -867,10 +872,8 @@ module.exports = React.createClass({
         ev.stopPropagation();
         ev.preventDefault();
         this.setState({ draggingFile: false });
-        const files = ev.dataTransfer.files;
-        if (files.length == 1) {
-            this.uploadFile(files[0]);
-        }
+        const files = [...ev.dataTransfer.files];
+        files.forEach(this.uploadFile);
     },
 
     onDragLeaveOrEnd: function(ev) {
@@ -1345,10 +1348,12 @@ module.exports = React.createClass({
     },
 
     onStatusBarHidden: function() {
-        if (this.unmounted) return;
+        // This is currently not desired as it is annoying if it keeps expanding and collapsing
+        // TODO: Find a less annoying way of hiding the status bar
+        /*if (this.unmounted) return;
         this.setState({
             statusBarVisible: false,
-        });
+        });*/
     },
 
     showSettings: function(show) {

src/components/structures/ScrollPanel.js

@@ -16,6 +16,7 @@ limitations under the License.
 
 const React = require("react");
 const ReactDOM = require("react-dom");
+import PropTypes from 'prop-types';
 const GeminiScrollbar = require('react-gemini-scrollbar');
 import Promise from 'bluebird';
 import { KeyCode } from '../../Keyboard';
@@ -86,7 +87,7 @@ module.exports = React.createClass({
          * scroll down to show the new element, rather than preserving the
          * existing view.
          */
-        stickyBottom: React.PropTypes.bool,
+        stickyBottom: PropTypes.bool,
 
         /* startAtBottom: if set to true, the view is assumed to start
          * scrolled to the bottom.
@@ -95,7 +96,7 @@ module.exports = React.createClass({
          * behaviour stays the same for other uses of ScrollPanel.
          * If so, let's remove this parameter down the line.
          */
-        startAtBottom: React.PropTypes.bool,
+        startAtBottom: PropTypes.bool,
 
         /* onFillRequest(backwards): a callback which is called on scroll when
          * the user nears the start (backwards = true) or end (backwards =
@@ -110,7 +111,7 @@ module.exports = React.createClass({
          * directon (at this time) - which will stop the pagination cycle until
          * the user scrolls again.
          */
-        onFillRequest: React.PropTypes.func,
+        onFillRequest: PropTypes.func,
 
         /* onUnfillRequest(backwards): a callback which is called on scroll when
          * there are children elements that are far out of view and could be removed
@@ -121,24 +122,24 @@ module.exports = React.createClass({
          * first element to remove if removing from the front/bottom, and last element
          * to remove if removing from the back/top.
          */
-        onUnfillRequest: React.PropTypes.func,
+        onUnfillRequest: PropTypes.func,
 
         /* onScroll: a callback which is called whenever any scroll happens.
          */
-        onScroll: React.PropTypes.func,
+        onScroll: PropTypes.func,
 
         /* onResize: a callback which is called whenever the Gemini scroll
          * panel is resized
          */
-        onResize: React.PropTypes.func,
+        onResize: PropTypes.func,
 
         /* className: classnames to add to the top-level div
          */
-        className: React.PropTypes.string,
+        className: PropTypes.string,
 
         /* style: styles to add to the top-level div
          */
-        style: React.PropTypes.object,
+        style: PropTypes.object,
     },
 
     getDefaultProps: function() {

src/components/structures/TagPanel.js

@@ -17,79 +17,17 @@ limitations under the License.
 import React from 'react';
 import PropTypes from 'prop-types';
 import { MatrixClient } from 'matrix-js-sdk';
-import classNames from 'classnames';
-import FilterStore from '../../stores/FilterStore';
-import FlairStore from '../../stores/FlairStore';
+import TagOrderStore from '../../stores/TagOrderStore';
+
+import GroupActions from '../../actions/GroupActions';
+import TagOrderActions from '../../actions/TagOrderActions';
+
 import sdk from '../../index';
 import dis from '../../dispatcher';
-import { isOnlyCtrlOrCmdKeyEvent } from '../../Keyboard';
 
-const TagTile = React.createClass({
-    displayName: 'TagTile',
+import { DragDropContext, Droppable } from 'react-beautiful-dnd';
 
-    propTypes: {
-        groupProfile: PropTypes.object,
-    },
-
-    contextTypes: {
-        matrixClient: React.PropTypes.instanceOf(MatrixClient).isRequired,
-    },
-
-    getInitialState() {
-        return {
-            hover: false,
-        };
-    },
-
-    onClick: function(e) {
-        e.preventDefault();
-        e.stopPropagation();
-        dis.dispatch({
-            action: 'select_tag',
-            tag: this.props.groupProfile.groupId,
-            ctrlOrCmdKey: isOnlyCtrlOrCmdKeyEvent(e),
-            shiftKey: e.shiftKey,
-        });
-    },
-
-    onMouseOver: function() {
-        this.setState({hover: true});
-    },
-
-    onMouseOut: function() {
-        this.setState({hover: false});
-    },
-
-    render: function() {
-        const BaseAvatar = sdk.getComponent('avatars.BaseAvatar');
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
-        const RoomTooltip = sdk.getComponent('rooms.RoomTooltip');
-        const profile = this.props.groupProfile || {};
-        const name = profile.name || profile.groupId;
-        const avatarHeight = 35;
-
-        const httpUrl = profile.avatarUrl ? this.context.matrixClient.mxcUrlToHttp(
-            profile.avatarUrl, avatarHeight, avatarHeight, "crop",
-        ) : null;
-
-        const className = classNames({
-            mx_TagTile: true,
-            mx_TagTile_selected: this.props.selected,
-        });
-
-        const tip = this.state.hover ?
-            <RoomTooltip className="mx_TagTile_tooltip" label={name} /> :
-            <div />;
-        return <AccessibleButton className={className} onClick={this.onClick}>
-            <div className="mx_TagTile_avatar" onMouseOver={this.onMouseOver} onMouseOut={this.onMouseOut}>
-                <BaseAvatar name={name} url={httpUrl} width={avatarHeight} height={avatarHeight} />
-                { tip }
-            </div>
-        </AccessibleButton>;
-    },
-});
-
-export default React.createClass({
+const TagPanel = React.createClass({
     displayName: 'TagPanel',
 
     contextTypes: {
@@ -98,7 +36,7 @@ export default React.createClass({
 
     getInitialState() {
         return {
-            joinedGroupProfiles: [],
+            orderedTags: [],
             selectedTags: [],
         };
     },
@@ -106,22 +44,25 @@ export default React.createClass({
     componentWillMount: function() {
         this.unmounted = false;
         this.context.matrixClient.on("Group.myMembership", this._onGroupMyMembership);
+        this.context.matrixClient.on("sync", this.onClientSync);
 
-        this._filterStoreToken = FilterStore.addListener(() => {
+        this._tagOrderStoreToken = TagOrderStore.addListener(() => {
             if (this.unmounted) {
                 return;
             }
             this.setState({
-                selectedTags: FilterStore.getSelectedTags(),
+                orderedTags: TagOrderStore.getOrderedTags() || [],
+                selectedTags: TagOrderStore.getSelectedTags(),
             });
         });
-
-        this._fetchJoinedRooms();
+        // This could be done by anything with a matrix client
+        dis.dispatch(GroupActions.fetchJoinedGroups(this.context.matrixClient));
     },
 
     componentWillUnmount() {
         this.unmounted = true;
         this.context.matrixClient.removeListener("Group.myMembership", this._onGroupMyMembership);
+        this.context.matrixClient.removeListener("sync", this.onClientSync);
         if (this._filterStoreToken) {
             this._filterStoreToken.remove();
         }
@@ -129,10 +70,22 @@ export default React.createClass({
 
     _onGroupMyMembership() {
         if (this.unmounted) return;
-        this._fetchJoinedRooms();
+        dis.dispatch(GroupActions.fetchJoinedGroups(this.context.matrixClient));
     },
 
-    onClick() {
+    onClientSync(syncState, prevState) {
+        // Consider the client reconnected if there is no error with syncing.
+        // This means the state could be RECONNECTING, SYNCING or PREPARED.
+        const reconnected = syncState !== "ERROR" && prevState !== syncState;
+        if (reconnected) {
+            // Load joined groups
+            dis.dispatch(GroupActions.fetchJoinedGroups(this.context.matrixClient));
+        }
+    },
+
+    onClick(e) {
+        // Ignore clicks on children
+        if (e.target !== e.currentTarget) return;
         dis.dispatch({action: 'deselect_tags'});
     },
 
@@ -141,36 +94,58 @@ export default React.createClass({
         dis.dispatch({action: 'view_create_group'});
     },
 
-    async _fetchJoinedRooms() {
-        const joinedGroupResponse = await this.context.matrixClient.getJoinedGroups();
-        const joinedGroupIds = joinedGroupResponse.groups;
-        const joinedGroupProfiles = await Promise.all(joinedGroupIds.map(
-            (groupId) => FlairStore.getGroupProfileCached(this.context.matrixClient, groupId),
-        ));
-        dis.dispatch({
-            action: 'all_tags',
-            tags: joinedGroupIds,
-        });
-        this.setState({joinedGroupProfiles});
+    onTagTileEndDrag(result) {
+        // Dragged to an invalid destination, not onto a droppable
+        if (!result.destination) {
+            return;
+        }
+
+        // Dispatch synchronously so that the TagPanel receives an
+        // optimistic update from TagOrderStore before the previous
+        // state is shown.
+        dis.dispatch(TagOrderActions.moveTag(
+            this.context.matrixClient,
+            result.draggableId,
+            result.destination.index,
+        ), true);
     },
 
     render() {
         const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
         const TintableSvg = sdk.getComponent('elements.TintableSvg');
-        const tags = this.state.joinedGroupProfiles.map((groupProfile, index) => {
-            return <TagTile
-                key={groupProfile.groupId + '_' + index}
-                groupProfile={groupProfile}
-                selected={this.state.selectedTags.includes(groupProfile.groupId)}
+        const DNDTagTile = sdk.getComponent('elements.DNDTagTile');
+
+        const tags = this.state.orderedTags.map((tag, index) => {
+            return <DNDTagTile
+                key={tag}
+                tag={tag}
+                index={index}
+                selected={this.state.selectedTags.includes(tag)}
             />;
         });
-        return <div className="mx_TagPanel" onClick={this.onClick}>
-            <div className="mx_TagPanel_tagTileContainer">
-                { tags }
-            </div>
+        return <div className="mx_TagPanel">
+            <DragDropContext onDragEnd={this.onTagTileEndDrag}>
+                <Droppable droppableId="tag-panel-droppable">
+                    { (provided, snapshot) => (
+                        <div
+                            className="mx_TagPanel_tagTileContainer"
+                            ref={provided.innerRef}
+                            // react-beautiful-dnd has a bug that emits a click to the parent
+                            // of draggables upon dropping
+                            //   https://github.com/atlassian/react-beautiful-dnd/issues/273
+                            // so we use onMouseDown here as a workaround.
+                            onMouseDown={this.onClick}
+                        >
+                            { tags }
+                            { provided.placeholder }
+                        </div>
+                    ) }
+                </Droppable>
+            </DragDropContext>
             <AccessibleButton className="mx_TagPanel_createGroupButton" onClick={this.onCreateGroupClick}>
                 <TintableSvg src="img/icons-create-room.svg" width="25" height="25" />
             </AccessibleButton>
         </div>;
     },
 });
+export default TagPanel;

src/components/structures/TimelinePanel.js

@@ -19,6 +19,7 @@ import SettingsStore from "../../settings/SettingsStore";
 
 const React = require('react');
 const ReactDOM = require("react-dom");
+import PropTypes from 'prop-types';
 import Promise from 'bluebird';
 
 const Matrix = require("matrix-js-sdk");
@@ -58,49 +59,49 @@ var TimelinePanel = React.createClass({
         // representing.  This may or may not have a room, depending on what it's
         // a timeline representing.  If it has a room, we maintain RRs etc for
         // that room.
-        timelineSet: React.PropTypes.object.isRequired,
+        timelineSet: PropTypes.object.isRequired,
 
-        showReadReceipts: React.PropTypes.bool,
+        showReadReceipts: PropTypes.bool,
         // Enable managing RRs and RMs. These require the timelineSet to have a room.
-        manageReadReceipts: React.PropTypes.bool,
-        manageReadMarkers: React.PropTypes.bool,
+        manageReadReceipts: PropTypes.bool,
+        manageReadMarkers: PropTypes.bool,
 
         // true to give the component a 'display: none' style.
-        hidden: React.PropTypes.bool,
+        hidden: PropTypes.bool,
 
         // ID of an event to highlight. If undefined, no event will be highlighted.
         // typically this will be either 'eventId' or undefined.
-        highlightedEventId: React.PropTypes.string,
+        highlightedEventId: PropTypes.string,
 
         // id of an event to jump to. If not given, will go to the end of the
         // live timeline.
-        eventId: React.PropTypes.string,
+        eventId: PropTypes.string,
 
         // where to position the event given by eventId, in pixels from the
         // bottom of the viewport. If not given, will try to put the event
         // half way down the viewport.
-        eventPixelOffset: React.PropTypes.number,
+        eventPixelOffset: PropTypes.number,
 
         // Should we show URL Previews
-        showUrlPreview: React.PropTypes.bool,
+        showUrlPreview: PropTypes.bool,
 
         // callback which is called when the panel is scrolled.
-        onScroll: React.PropTypes.func,
+        onScroll: PropTypes.func,
 
         // callback which is called when the read-up-to mark is updated.
-        onReadMarkerUpdated: React.PropTypes.func,
+        onReadMarkerUpdated: PropTypes.func,
 
         // maximum number of events to show in a timeline
-        timelineCap: React.PropTypes.number,
+        timelineCap: PropTypes.number,
 
         // classname to use for the messagepanel
-        className: React.PropTypes.string,
+        className: PropTypes.string,
 
         // shape property to be passed to EventTiles
-        tileShape: React.PropTypes.string,
+        tileShape: PropTypes.string,
 
         // placeholder text to use if the timeline is empty
-        empty: React.PropTypes.string,
+        empty: PropTypes.string,
     },
 
     statics: {
@@ -301,6 +302,8 @@ var TimelinePanel = React.createClass({
 
     // set off a pagination request.
     onMessageListFillRequest: function(backwards) {
+        if (!this._shouldPaginate()) return Promise.resolve(false);
+
         const dir = backwards ? EventTimeline.BACKWARDS : EventTimeline.FORWARDS;
         const canPaginateKey = backwards ? 'canBackPaginate' : 'canForwardPaginate';
         const paginatingKey = backwards ? 'backPaginating' : 'forwardPaginating';
@@ -1090,6 +1093,17 @@ var TimelinePanel = React.createClass({
         }, this.props.onReadMarkerUpdated);
     },
 
+    _shouldPaginate: function() {
+        // don't try to paginate while events in the timeline are
+        // still being decrypted. We don't render events while they're
+        // being decrypted, so they don't take up space in the timeline.
+        // This means we can pull quite a lot of events into the timeline
+        // and end up trying to render a lot of events.
+        return !this.state.events.some((e) => {
+            return e.isBeingDecrypted();
+        });
+    },
+
     render: function() {
         const MessagePanel = sdk.getComponent("structures.MessagePanel");
         const Loader = sdk.getComponent("elements.Spinner");

src/components/structures/UploadBar.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 const React = require('react');
+import PropTypes from 'prop-types';
 const ContentMessages = require('../../ContentMessages');
 const dis = require('../../dispatcher');
 const filesize = require('filesize');
@@ -22,7 +23,7 @@ import { _t } from '../../languageHandler';
 
 module.exports = React.createClass({displayName: 'UploadBar',
     propTypes: {
-        room: React.PropTypes.object,
+        room: PropTypes.object,
     },
 
     componentDidMount: function() {

src/components/structures/UserSettings.js

@@ -19,6 +19,7 @@ import SettingsStore, {SettingLevel} from "../../settings/SettingsStore";
 
 const React = require('react');
 const ReactDOM = require('react-dom');
+import PropTypes from 'prop-types';
 const sdk = require('../../index');
 const MatrixClientPeg = require("../../MatrixClientPeg");
 const PlatformPeg = require("../../PlatformPeg");
@@ -125,8 +126,8 @@ const THEMES = [
 
 const IgnoredUser = React.createClass({
     propTypes: {
-        userId: React.PropTypes.string.isRequired,
-        onUnignored: React.PropTypes.func.isRequired,
+        userId: PropTypes.string.isRequired,
+        onUnignored: PropTypes.func.isRequired,
     },
 
     _onUnignoreClick: function() {
@@ -155,16 +156,16 @@ module.exports = React.createClass({
     displayName: 'UserSettings',
 
     propTypes: {
-        onClose: React.PropTypes.func,
+        onClose: PropTypes.func,
         // The brand string given when creating email pushers
-        brand: React.PropTypes.string,
+        brand: PropTypes.string,
 
         // The base URL to use in the referral link. Defaults to window.location.origin.
-        referralBaseUrl: React.PropTypes.string,
+        referralBaseUrl: PropTypes.string,
 
         // Team token for the referral link. If falsy, the referral section will
         // not appear
-        teamToken: React.PropTypes.string,
+        teamToken: PropTypes.string,
     },
 
     getDefaultProps: function() {
@@ -375,7 +376,7 @@ module.exports = React.createClass({
              { _t("For security, logging out will delete any end-to-end " +
                   "encryption keys from this browser. If you want to be able " +
                   "to decrypt your conversation history from future Riot sessions, " +
-                  "please export your room keys for safe-keeping.") }.
+                  "please export your room keys for safe-keeping.") }
                 </div>,
             button: _t("Sign out"),
             extraButtons: [
@@ -811,6 +812,12 @@ module.exports = React.createClass({
             <h3>{ _t('Analytics') }</h3>
             <div className="mx_UserSettings_section">
                 { _t('Riot collects anonymous analytics to allow us to improve the application.') }
+                <br />
+                { _t('Privacy is important to us, so we don\'t collect any personal'
+                    + ' or identifiable data for our analytics.') }
+                <div className="mx_UserSettings_advanced_spoiler" onClick={Analytics.showDetailsModal}>
+                    { _t('Learn more about how we use analytics.') }
+                </div>
                 { ANALYTICS_SETTINGS.map( this._renderDeviceSetting ) }
             </div>
         </div>;

src/components/structures/login/ForgotPassword.js

@@ -18,6 +18,7 @@ limitations under the License.
 'use strict';
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import { _t } from '../../../languageHandler';
 import sdk from '../../../index';
 import Modal from "../../../Modal";
@@ -29,13 +30,13 @@ module.exports = React.createClass({
     displayName: 'ForgotPassword',
 
     propTypes: {
-        defaultHsUrl: React.PropTypes.string,
-        defaultIsUrl: React.PropTypes.string,
-        customHsUrl: React.PropTypes.string,
-        customIsUrl: React.PropTypes.string,
-        onLoginClick: React.PropTypes.func,
-        onRegisterClick: React.PropTypes.func,
-        onComplete: React.PropTypes.func.isRequired,
+        defaultHsUrl: PropTypes.string,
+        defaultIsUrl: PropTypes.string,
+        customHsUrl: PropTypes.string,
+        customIsUrl: PropTypes.string,
+        onLoginClick: PropTypes.func,
+        onRegisterClick: PropTypes.func,
+        onComplete: PropTypes.func.isRequired,
     },
 
     getInitialState: function() {

src/components/structures/login/Login.js

@@ -18,6 +18,7 @@ limitations under the License.
 'use strict';
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import { _t } from '../../../languageHandler';
 import * as languageHandler from '../../../languageHandler';
 import sdk from '../../../index';
@@ -36,27 +37,27 @@ module.exports = React.createClass({
     displayName: 'Login',
 
     propTypes: {
-        onLoggedIn: React.PropTypes.func.isRequired,
+        onLoggedIn: PropTypes.func.isRequired,
 
-        enableGuest: React.PropTypes.bool,
+        enableGuest: PropTypes.bool,
 
-        customHsUrl: React.PropTypes.string,
-        customIsUrl: React.PropTypes.string,
-        defaultHsUrl: React.PropTypes.string,
-        defaultIsUrl: React.PropTypes.string,
+        customHsUrl: PropTypes.string,
+        customIsUrl: PropTypes.string,
+        defaultHsUrl: PropTypes.string,
+        defaultIsUrl: PropTypes.string,
         // Secondary HS which we try to log into if the user is using
         // the default HS but login fails. Useful for migrating to a
         // different home server without confusing users.
-        fallbackHsUrl: React.PropTypes.string,
+        fallbackHsUrl: PropTypes.string,
 
-        defaultDeviceDisplayName: React.PropTypes.string,
+        defaultDeviceDisplayName: PropTypes.string,
 
         // login shouldn't know or care how registration is done.
-        onRegisterClick: React.PropTypes.func.isRequired,
+        onRegisterClick: PropTypes.func.isRequired,
 
         // login shouldn't care how password recovery is done.
-        onForgotPasswordClick: React.PropTypes.func,
-        onCancelClick: React.PropTypes.func,
+        onForgotPasswordClick: PropTypes.func,
+        onCancelClick: PropTypes.func,
     },
 
     getInitialState: function() {

src/components/structures/login/PostRegistration.js

@@ -17,6 +17,7 @@ limitations under the License.
 'use strict';
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import sdk from '../../../index';
 import MatrixClientPeg from '../../../MatrixClientPeg';
 import { _t } from '../../../languageHandler';
@@ -25,7 +26,7 @@ module.exports = React.createClass({
     displayName: 'PostRegistration',
 
     propTypes: {
-        onComplete: React.PropTypes.func.isRequired,
+        onComplete: PropTypes.func.isRequired,
     },
 
     getInitialState: function() {

src/components/structures/login/Registration.js

@@ -19,6 +19,7 @@ import Matrix from 'matrix-js-sdk';
 
 import Promise from 'bluebird';
 import React from 'react';
+import PropTypes from 'prop-types';
 
 import sdk from '../../../index';
 import ServerConfig from '../../views/login/ServerConfig';
@@ -35,31 +36,31 @@ module.exports = React.createClass({
     displayName: 'Registration',
 
     propTypes: {
-        onLoggedIn: React.PropTypes.func.isRequired,
-        clientSecret: React.PropTypes.string,
-        sessionId: React.PropTypes.string,
-        makeRegistrationUrl: React.PropTypes.func.isRequired,
-        idSid: React.PropTypes.string,
-        customHsUrl: React.PropTypes.string,
-        customIsUrl: React.PropTypes.string,
-        defaultHsUrl: React.PropTypes.string,
-        defaultIsUrl: React.PropTypes.string,
-        brand: React.PropTypes.string,
-        email: React.PropTypes.string,
-        referrer: React.PropTypes.string,
-        teamServerConfig: React.PropTypes.shape({
+        onLoggedIn: PropTypes.func.isRequired,
+        clientSecret: PropTypes.string,
+        sessionId: PropTypes.string,
+        makeRegistrationUrl: PropTypes.func.isRequired,
+        idSid: PropTypes.string,
+        customHsUrl: PropTypes.string,
+        customIsUrl: PropTypes.string,
+        defaultHsUrl: PropTypes.string,
+        defaultIsUrl: PropTypes.string,
+        brand: PropTypes.string,
+        email: PropTypes.string,
+        referrer: PropTypes.string,
+        teamServerConfig: PropTypes.shape({
             // Email address to request new teams
-            supportEmail: React.PropTypes.string.isRequired,
+            supportEmail: PropTypes.string.isRequired,
             // URL of the riot-team-server to get team configurations and track referrals
-            teamServerURL: React.PropTypes.string.isRequired,
+            teamServerURL: PropTypes.string.isRequired,
         }),
-        teamSelected: React.PropTypes.object,
+        teamSelected: PropTypes.object,
 
-        defaultDeviceDisplayName: React.PropTypes.string,
+        defaultDeviceDisplayName: PropTypes.string,
 
         // registration shouldn't know or care how login is done.
-        onLoginClick: React.PropTypes.func.isRequired,
-        onCancelClick: React.PropTypes.func,
+        onLoginClick: PropTypes.func.isRequired,
+        onCancelClick: PropTypes.func,
     },
 
     getInitialState: function() {

src/components/views/avatars/BaseAvatar.js

@@ -15,6 +15,8 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
+import { MatrixClient } from 'matrix-js-sdk';
 import AvatarLogic from '../../../Avatar';
 import sdk from '../../../index';
 import AccessibleButton from '../elements/AccessibleButton';
@@ -23,16 +25,20 @@ module.exports = React.createClass({
     displayName: 'BaseAvatar',
 
     propTypes: {
-        name: React.PropTypes.string.isRequired, // The name (first initial used as default)
-        idName: React.PropTypes.string, // ID for generating hash colours
-        title: React.PropTypes.string, // onHover title text
-        url: React.PropTypes.string, // highest priority of them all, shortcut to set in urls[0]
-        urls: React.PropTypes.array, // [highest_priority, ... , lowest_priority]
-        width: React.PropTypes.number,
-        height: React.PropTypes.number,
+        name: PropTypes.string.isRequired, // The name (first initial used as default)
+        idName: PropTypes.string, // ID for generating hash colours
+        title: PropTypes.string, // onHover title text
+        url: PropTypes.string, // highest priority of them all, shortcut to set in urls[0]
+        urls: PropTypes.array, // [highest_priority, ... , lowest_priority]
+        width: PropTypes.number,
+        height: PropTypes.number,
         // XXX resizeMethod not actually used.
-        resizeMethod: React.PropTypes.string,
-        defaultToInitialLetter: React.PropTypes.bool, // true to add default url
+        resizeMethod: PropTypes.string,
+        defaultToInitialLetter: PropTypes.bool, // true to add default url
+    },
+
+    contextTypes: {
+        matrixClient: PropTypes.instanceOf(MatrixClient),
     },
 
     getDefaultProps: function() {
@@ -48,6 +54,16 @@ module.exports = React.createClass({
         return this._getState(this.props);
     },
 
+    componentWillMount() {
+        this.unmounted = false;
+        this.context.matrixClient.on('sync', this.onClientSync);
+    },
+
+    componentWillUnmount() {
+        this.unmounted = true;
+        this.context.matrixClient.removeListener('sync', this.onClientSync);
+    },
+
     componentWillReceiveProps: function(nextProps) {
         // work out if we need to call setState (if the image URLs array has changed)
         const newState = this._getState(nextProps);
@@ -66,6 +82,23 @@ module.exports = React.createClass({
         }
     },
 
+    onClientSync(syncState, prevState) {
+        if (this.unmounted) return;
+
+        // Consider the client reconnected if there is no error with syncing.
+        // This means the state could be RECONNECTING, SYNCING or PREPARED.
+        const reconnected = syncState !== "ERROR" && prevState !== syncState;
+        if (reconnected &&
+            // Did we fall back?
+            this.state.urlsIndex > 0
+        ) {
+            // Start from the highest priority URL again
+            this.setState({
+                urlsIndex: 0,
+            });
+        }
+    },
+
     _getState: function(props) {
         // work out the full set of urls to try to load. This is formed like so:
         // imageUrls: [ props.url, props.urls, default image ]

src/components/views/avatars/MemberAvatar.js

@@ -17,6 +17,7 @@ limitations under the License.
 'use strict';
 
 const React = require('react');
+import PropTypes from 'prop-types';
 const Avatar = require('../../../Avatar');
 const sdk = require("../../../index");
 const dispatcher = require("../../../dispatcher");
@@ -25,15 +26,15 @@ module.exports = React.createClass({
     displayName: 'MemberAvatar',
 
     propTypes: {
-        member: React.PropTypes.object.isRequired,
-        width: React.PropTypes.number,
-        height: React.PropTypes.number,
-        resizeMethod: React.PropTypes.string,
+        member: PropTypes.object.isRequired,
+        width: PropTypes.number,
+        height: PropTypes.number,
+        resizeMethod: PropTypes.string,
         // The onClick to give the avatar
-        onClick: React.PropTypes.func,
+        onClick: PropTypes.func,
         // Whether the onClick of the avatar should be overriden to dispatch 'view_user'
-        viewUserOnClick: React.PropTypes.bool,
-        title: React.PropTypes.string,
+        viewUserOnClick: PropTypes.bool,
+        title: PropTypes.string,
     },
 
     getDefaultProps: function() {

src/components/views/avatars/MemberPresenceAvatar.js

@@ -17,6 +17,7 @@
 'use strict';
 
 import React from "react";
+import PropTypes from 'prop-types';
 import * as sdk from "../../../index";
 import MatrixClientPeg from "../../../MatrixClientPeg";
 import AccessibleButton from '../elements/AccessibleButton';
@@ -30,10 +31,10 @@ module.exports = React.createClass({
     displayName: 'MemberPresenceAvatar',
 
     propTypes: {
-        member: React.PropTypes.object.isRequired,
-        width: React.PropTypes.number,
-        height: React.PropTypes.number,
-        resizeMethod: React.PropTypes.string,
+        member: PropTypes.object.isRequired,
+        width: PropTypes.number,
+        height: PropTypes.number,
+        resizeMethod: PropTypes.string,
     },
 
     getDefaultProps: function() {

src/components/views/avatars/RoomAvatar.js

@@ -14,6 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 import React from "react";
+import PropTypes from 'prop-types';
 import {ContentRepo} from "matrix-js-sdk";
 import MatrixClientPeg from "../../../MatrixClientPeg";
 import sdk from "../../../index";
@@ -25,11 +26,11 @@ module.exports = React.createClass({
     // oobData.avatarUrl should be set (else there
     // would be nowhere to get the avatar from)
     propTypes: {
-        room: React.PropTypes.object,
-        oobData: React.PropTypes.object,
-        width: React.PropTypes.number,
-        height: React.PropTypes.number,
-        resizeMethod: React.PropTypes.string,
+        room: PropTypes.object,
+        oobData: PropTypes.object,
+        width: PropTypes.number,
+        height: PropTypes.number,
+        resizeMethod: PropTypes.string,
     },
 
     getDefaultProps: function() {

src/components/views/create_room/CreateRoomButton.js

@@ -17,11 +17,12 @@ limitations under the License.
 'use strict';
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import { _t } from '../../../languageHandler';
 module.exports = React.createClass({
     displayName: 'CreateRoomButton',
     propTypes: {
-        onCreateRoom: React.PropTypes.func,
+        onCreateRoom: PropTypes.func,
     },
 
     getDefaultProps: function() {

src/components/views/create_room/Presets.js

@@ -17,6 +17,7 @@ limitations under the License.
 'use strict';
 
 const React = require('react');
+import PropTypes from 'prop-types';
 import { _t } from '../../../languageHandler';
 
 const Presets = {
@@ -28,8 +29,8 @@ const Presets = {
 module.exports = React.createClass({
     displayName: 'CreateRoomPresets',
     propTypes: {
-        onChange: React.PropTypes.func,
-        preset: React.PropTypes.string,
+        onChange: PropTypes.func,
+        preset: PropTypes.string,
     },
 
     Presets: Presets,

src/components/views/create_room/RoomAlias.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 const React = require('react');
+import PropTypes from 'prop-types';
 import { _t } from '../../../languageHandler';
 
 module.exports = React.createClass({
@@ -22,9 +23,9 @@ module.exports = React.createClass({
     propTypes: {
         // Specifying a homeserver will make magical things happen when you,
         // e.g. start typing in the room alias box.
-        homeserver: React.PropTypes.string,
-        alias: React.PropTypes.string,
-        onChange: React.PropTypes.func,
+        homeserver: PropTypes.string,
+        alias: PropTypes.string,
+        onChange: PropTypes.func,
     },
 
     getDefaultProps: function() {

src/components/views/dialogs/AddressPickerDialog.js

@@ -20,7 +20,6 @@ import PropTypes from 'prop-types';
 import { _t } from '../../../languageHandler';
 import sdk from '../../../index';
 import MatrixClientPeg from '../../../MatrixClientPeg';
-import AccessibleButton from '../elements/AccessibleButton';
 import Promise from 'bluebird';
 import { addressTypes, getAddressType } from '../../../UserAddress.js';
 import GroupStoreCache from '../../../stores/GroupStoreCache';
@@ -507,7 +506,8 @@ module.exports = React.createClass({
     },
 
     render: function() {
-        const TintableSvg = sdk.getComponent("elements.TintableSvg");
+        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
+        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
         const AddressSelector = sdk.getComponent("elements.AddressSelector");
         this.scrollElement = null;
 
@@ -580,14 +580,8 @@ module.exports = React.createClass({
         }
 
         return (
-            <div className="mx_ChatInviteDialog" onKeyDown={this.onKeyDown}>
-                <div className="mx_Dialog_title">
-                    { this.props.title }
-                </div>
-                <AccessibleButton className="mx_ChatInviteDialog_cancel"
-                        onClick={this.onCancel} >
-                    <TintableSvg src="img/icons-close-button.svg" width="35" height="35" />
-                </AccessibleButton>
+            <BaseDialog className="mx_ChatInviteDialog" onKeyDown={this.onKeyDown}
+                onFinished={this.props.onFinished} title={this.props.title}>
                 <div className="mx_ChatInviteDialog_label">
                     <label htmlFor="textinput">{ this.props.description }</label>
                 </div>
@@ -597,12 +591,10 @@ module.exports = React.createClass({
                     { addressSelector }
                     { this.props.extraNode }
                 </div>
-                <div className="mx_Dialog_buttons">
-                    <button className="mx_Dialog_primary" onClick={this.onButtonClick}>
-                        { this.props.button }
-                    </button>
-                </div>
-            </div>
+                <DialogButtons primaryButton={this.props.button}
+                    onPrimaryButtonClick={this.onButtonClick}
+                    onCancel={this.onCancel} />
+            </BaseDialog>
         );
     },
 });

src/components/views/dialogs/BaseDialog.js

@@ -16,6 +16,7 @@ limitations under the License.
 
 import React from 'react';
 import FocusTrap from 'focus-trap-react';
+import PropTypes from 'prop-types';
 
 import { KeyCode } from '../../../Keyboard';
 import AccessibleButton from '../elements/AccessibleButton';
@@ -32,17 +33,20 @@ export default React.createClass({
 
     propTypes: {
         // onFinished callback to call when Escape is pressed
-        onFinished: React.PropTypes.func.isRequired,
+        onFinished: PropTypes.func.isRequired,
+
+        // called when a key is pressed
+        onKeyDown: PropTypes.func,
 
         // CSS class to apply to dialog div
-        className: React.PropTypes.string,
+        className: PropTypes.string,
 
         // Title for the dialog.
         // (could probably actually be something more complicated than a string if desired)
-        title: React.PropTypes.string.isRequired,
+        title: PropTypes.string.isRequired,
 
         // children should be the content of the dialog
-        children: React.PropTypes.node,
+        children: PropTypes.node,
 
         // Id of content element
         // If provided, this is used to add a aria-describedby attribute
@@ -50,6 +54,9 @@ export default React.createClass({
     },
 
     _onKeyDown: function(e) {
+        if (this.props.onKeyDown) {
+            this.props.onKeyDown(e);
+        }
         if (e.keyCode === KeyCode.ESCAPE) {
             e.stopPropagation();
             e.preventDefault();
@@ -76,7 +83,7 @@ export default React.createClass({
                 >
                     <TintableSvg src="img/icons-close-button.svg" width="35" height="35" />
                 </AccessibleButton>
-                <div className='mx_Dialog_title' id='mx_BaseDialog_title'>
+                <div className={'mx_Dialog_title ' + this.props.titleClass} id='mx_BaseDialog_title'>
                     { this.props.title }
                 </div>
                 { this.props.children }

src/components/views/dialogs/ChatCreateOrReuseDialog.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 import MatrixClientPeg from '../../../MatrixClientPeg';
@@ -137,6 +138,7 @@ export default class ChatCreateOrReuseDialog extends React.Component {
         } else {
             // Show the avatar, name and a button to confirm that a new chat is requested
             const BaseAvatar = sdk.getComponent('avatars.BaseAvatar');
+            const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
             const Spinner = sdk.getComponent('elements.Spinner');
             title = _t('Start chatting');
 
@@ -166,11 +168,8 @@ export default class ChatCreateOrReuseDialog extends React.Component {
                     </p>
                     { profile }
                 </div>
-                <div className="mx_Dialog_buttons">
-                    <button className="mx_Dialog_primary" onClick={this.props.onNewDMClick} autoFocus="true">
-                        { _t('Start Chatting') }
-                    </button>
-                </div>
+                <DialogButtons primaryButton={_t('Start Chatting')}
+                    onPrimaryButtonClick={this.props.onNewDMClick} focus="true" />
             </div>;
         }
 
@@ -187,10 +186,10 @@ export default class ChatCreateOrReuseDialog extends React.Component {
     }
 }
 
-ChatCreateOrReuseDialog.propTypes = {
-    userId: React.PropTypes.string.isRequired,
+ChatCreateOrReuseDialog.propTyps = {
+    userId: PropTypes.string.isRequired,
     // Called when clicking outside of the dialog
-    onFinished: React.PropTypes.func.isRequired,
-    onNewDMClick: React.PropTypes.func.isRequired,
-    onExistingRoomSelected: React.PropTypes.func.isRequired,
+    onFinished: PropTypes.func.isRequired,
+    onNewDMClick: PropTypes.func.isRequired,
+    onExistingRoomSelected: PropTypes.func.isRequired,
 };

src/components/views/dialogs/ConfirmUserActionDialog.js

@@ -15,10 +15,10 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import { MatrixClient } from 'matrix-js-sdk';
 import sdk from '../../../index';
 import { _t } from '../../../languageHandler';
-import classnames from 'classnames';
 import { GroupMemberType } from '../../../groups';
 
 /*
@@ -33,20 +33,20 @@ export default React.createClass({
     displayName: 'ConfirmUserActionDialog',
     propTypes: {
         // matrix-js-sdk (room) member object. Supply either this or 'groupMember'
-        member: React.PropTypes.object,
+        member: PropTypes.object,
         // group member object. Supply either this or 'member'
         groupMember: GroupMemberType,
         // needed if a group member is specified
-        matrixClient: React.PropTypes.instanceOf(MatrixClient),
-        action: React.PropTypes.string.isRequired, // eg. 'Ban'
-        title: React.PropTypes.string.isRequired, // eg. 'Ban this user?'
+        matrixClient: PropTypes.instanceOf(MatrixClient),
+        action: PropTypes.string.isRequired, // eg. 'Ban'
+        title: PropTypes.string.isRequired, // eg. 'Ban this user?'
 
         // Whether to display a text field for a reason
         // If true, the second argument to onFinished will
         // be the string entered.
-        askReason: React.PropTypes.bool,
-        danger: React.PropTypes.bool,
-        onFinished: React.PropTypes.func.isRequired,
+        askReason: PropTypes.bool,
+        danger: PropTypes.bool,
+        onFinished: PropTypes.func.isRequired,
     },
 
     defaultProps: {
@@ -76,13 +76,11 @@ export default React.createClass({
 
     render: function() {
         const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
+        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
         const MemberAvatar = sdk.getComponent("views.avatars.MemberAvatar");
         const BaseAvatar = sdk.getComponent("views.avatars.BaseAvatar");
 
-        const confirmButtonClass = classnames({
-            'mx_Dialog_primary': true,
-            'danger': this.props.danger,
-        });
+        const confirmButtonClass = this.props.danger ? 'danger' : '';
 
         let reasonBox;
         if (this.props.askReason) {
@@ -127,17 +125,11 @@ export default React.createClass({
                     <div className="mx_ConfirmUserActionDialog_userId">{ userId }</div>
                 </div>
                 { reasonBox }
-                <div className="mx_Dialog_buttons">
-                    <button className={confirmButtonClass}
-                        onClick={this.onOk} autoFocus={!this.props.askReason}
-                    >
-                        { this.props.action }
-                    </button>
-
-                    <button onClick={this.onCancel}>
-                        { _t("Cancel") }
-                    </button>
-                </div>
+                <DialogButtons primaryButton={this.props.action}
+                    onPrimaryButtonClick={this.onOk}
+                    primaryButtonClass={confirmButtonClass}
+                    focus={!this.props.askReason}
+                    onCancel={this.onCancel} />
             </BaseDialog>
         );
     },

src/components/views/dialogs/CreateGroupDialog.js

@@ -55,11 +55,15 @@ export default React.createClass({
 
     _checkGroupId: function(e) {
         let error = null;
-        if (!/^[a-z0-9=_\-\.\/]*$/.test(this.state.groupId)) {
+        if (!this.state.groupId) {
+            error = _t("Community IDs cannot not be empty.");
+        } else if (!/^[a-z0-9=_\-\.\/]*$/.test(this.state.groupId)) {
             error = _t("Community IDs may only contain characters a-z, 0-9, or '=_-./'");
         }
         this.setState({
             groupIdError: error,
+            // Reset createError to get rid of now stale error message
+            createError: null,
         });
         return error;
     },
@@ -158,10 +162,10 @@ export default React.createClass({
                         { createErrorNode }
                     </div>
                     <div className="mx_Dialog_buttons">
+                        <input type="submit" value={_t('Create')} className="mx_Dialog_primary" />
                         <button onClick={this._onCancel}>
                             { _t("Cancel") }
                         </button>
-                        <input type="submit" value={_t('Create')} className="mx_Dialog_primary" />
                     </div>
                 </form>
             </BaseDialog>

src/components/views/dialogs/CreateRoomDialog.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import sdk from '../../../index';
 import SdkConfig from '../../../SdkConfig';
 import { _t } from '../../../languageHandler';
@@ -22,7 +23,7 @@ import { _t } from '../../../languageHandler';
 export default React.createClass({
     displayName: 'CreateRoomDialog',
     propTypes: {
-        onFinished: React.PropTypes.func.isRequired,
+        onFinished: PropTypes.func.isRequired,
     },
 
     componentDidMount: function() {
@@ -41,6 +42,7 @@ export default React.createClass({
 
     render: function() {
         const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
+        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
         return (
             <BaseDialog className="mx_CreateRoomDialog" onFinished={this.props.onFinished}
                 title={_t('Create Room')}
@@ -53,27 +55,11 @@ export default React.createClass({
                         <div>
                             <input id="textinput" ref="textinput" className="mx_CreateRoomDialog_input" autoFocus={true} size="64" />
                         </div>
-                        <br />
-
-                        <details className="mx_CreateRoomDialog_details">
-                            <summary className="mx_CreateRoomDialog_details_summary">{ _t('Advanced options') }</summary>
-                            <div>
-                                <input type="checkbox" id="checkbox" ref="checkbox" defaultChecked={this.defaultNoFederate} />
-                                <label htmlFor="checkbox">
-                                    { _t('Block users on other matrix homeservers from joining this room') }
-                                    <br />
-                                    ({ _t('This setting cannot be changed later!') })
-                                </label>
-                            </div>
-                        </details>
-                    </div>
-                    <div className="mx_Dialog_buttons">
-                        <button onClick={this.onCancel}>
-                            { _t('Cancel') }
-                        </button>
-                        <input type="submit" className="mx_Dialog_primary" value={_t('Create Room')} />
                     </div>
                 </form>
+                <DialogButtons primaryButton={_t('Create Room')}
+                    onPrimaryButtonClick={this.onOk}
+                    onCancel={this.onCancel} />
             </BaseDialog>
         );
     },

src/components/views/dialogs/DeactivateAccountDialog.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 
 import sdk from '../../../index';
 import Analytics from '../../../Analytics';
@@ -77,6 +78,7 @@ export default class DeactivateAccountDialog extends React.Component {
     }
 
     render() {
+        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
         const Loader = sdk.getComponent("elements.Spinner");
         let passwordBoxClass = '';
 
@@ -99,10 +101,11 @@ export default class DeactivateAccountDialog extends React.Component {
         }
 
         return (
-            <div className="mx_DeactivateAccountDialog">
-                <div className="mx_Dialog_title danger">
-                    { _t("Deactivate Account") }
-                </div>
+            <BaseDialog className="mx_DeactivateAccountDialog"
+                onFinished={this.props.onFinished}
+                onEnterPressed={this.onOk}
+                titleClass="danger"
+                title={_t("Deactivate Account")}>
                 <div className="mx_Dialog_content">
                     <p>{ _t("This will make your account permanently unusable. You will not be able to re-register the same user ID.") }</p>
 
@@ -130,11 +133,11 @@ export default class DeactivateAccountDialog extends React.Component {
 
                     { cancelButton }
                 </div>
-            </div>
+            </BaseDialog>
         );
     }
 }
 
 DeactivateAccountDialog.propTypes = {
-    onFinished: React.PropTypes.func.isRequired,
+    onFinished: PropTypes.func.isRequired,
 };

src/components/views/dialogs/DeviceVerifyDialog.js

@@ -16,6 +16,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import MatrixClientPeg from '../../../MatrixClientPeg';
 import sdk from '../../../index';
 import * as FormattingUtils from '../../../utils/FormattingUtils';
@@ -71,7 +72,7 @@ export default function DeviceVerifyDialog(props) {
 }
 
 DeviceVerifyDialog.propTypes = {
-    userId: React.PropTypes.string.isRequired,
-    device: React.PropTypes.object.isRequired,
-    onFinished: React.PropTypes.func.isRequired,
+    userId: PropTypes.string.isRequired,
+    device: PropTypes.object.isRequired,
+    onFinished: PropTypes.func.isRequired,
 };

src/components/views/dialogs/ErrorDialog.js

@@ -26,20 +26,21 @@ limitations under the License.
  */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 
 export default React.createClass({
     displayName: 'ErrorDialog',
     propTypes: {
-        title: React.PropTypes.string,
-        description: React.PropTypes.oneOfType([
-            React.PropTypes.element,
-            React.PropTypes.string,
+        title: PropTypes.string,
+        description: PropTypes.oneOfType([
+            PropTypes.element,
+            PropTypes.string,
         ]),
-        button: React.PropTypes.string,
-        focus: React.PropTypes.bool,
-        onFinished: React.PropTypes.func.isRequired,
+        button: PropTypes.string,
+        focus: PropTypes.bool,
+        onFinished: PropTypes.func.isRequired,
     },
 
     getDefaultProps: function() {

src/components/views/dialogs/InteractiveAuthDialog.js

@@ -16,6 +16,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 
 import sdk from '../../../index';
 import { _t } from '../../../languageHandler';
@@ -27,22 +28,22 @@ export default React.createClass({
 
     propTypes: {
         // matrix client to use for UI auth requests
-        matrixClient: React.PropTypes.object.isRequired,
+        matrixClient: PropTypes.object.isRequired,
 
         // response from initial request. If not supplied, will do a request on
         // mount.
-        authData: React.PropTypes.shape({
-            flows: React.PropTypes.array,
-            params: React.PropTypes.object,
-            session: React.PropTypes.string,
+        authData: PropTypes.shape({
+            flows: PropTypes.array,
+            params: PropTypes.object,
+            session: PropTypes.string,
         }),
 
         // callback
-        makeRequest: React.PropTypes.func.isRequired,
+        makeRequest: PropTypes.func.isRequired,
 
-        onFinished: React.PropTypes.func.isRequired,
+        onFinished: PropTypes.func.isRequired,
 
-        title: React.PropTypes.string,
+        title: PropTypes.string,
     },
 
     getInitialState: function() {

src/components/views/dialogs/KeyShareDialog.js

@@ -16,6 +16,7 @@ limitations under the License.
 
 import Modal from '../../../Modal';
 import React from 'react';
+import PropTypes from 'prop-types';
 import sdk from '../../../index';
 
 import { _t, _td } from '../../../languageHandler';
@@ -30,10 +31,10 @@ import { _t, _td } from '../../../languageHandler';
  */
 export default React.createClass({
     propTypes: {
-        matrixClient: React.PropTypes.object.isRequired,
-        userId: React.PropTypes.string.isRequired,
-        deviceId: React.PropTypes.string.isRequired,
-        onFinished: React.PropTypes.func.isRequired,
+        matrixClient: PropTypes.object.isRequired,
+        userId: PropTypes.string.isRequired,
+        deviceId: PropTypes.string.isRequired,
+        onFinished: PropTypes.func.isRequired,
     },
 
     getInitialState: function() {

src/components/views/dialogs/QuestionDialog.js

@@ -16,20 +16,20 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import sdk from '../../../index';
 import { _t } from '../../../languageHandler';
-import classnames from 'classnames';
 
 export default React.createClass({
     displayName: 'QuestionDialog',
     propTypes: {
-        title: React.PropTypes.string,
-        description: React.PropTypes.node,
-        extraButtons: React.PropTypes.node,
-        button: React.PropTypes.string,
-        danger: React.PropTypes.bool,
-        focus: React.PropTypes.bool,
-        onFinished: React.PropTypes.func.isRequired,
+        title: PropTypes.string,
+        description: PropTypes.node,
+        extraButtons: PropTypes.node,
+        button: PropTypes.string,
+        danger: PropTypes.bool,
+        focus: PropTypes.bool,
+        onFinished: PropTypes.func.isRequired,
     },
 
     getDefaultProps: function() {
@@ -53,15 +53,11 @@ export default React.createClass({
 
     render: function() {
         const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-        const cancelButton = this.props.hasCancelButton ? (
-            <button onClick={this.onCancel}>
-                { _t("Cancel") }
-            </button>
-        ) : null;
-        const buttonClasses = classnames({
-            mx_Dialog_primary: true,
-            danger: this.props.danger,
-        });
+        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
+        let primaryButtonClass = "";
+        if (this.props.danger) {
+            primaryButtonClass = "danger";
+        }
         return (
             <BaseDialog className="mx_QuestionDialog" onFinished={this.props.onFinished}
                 title={this.props.title}
@@ -70,13 +66,14 @@ export default React.createClass({
                 <div className="mx_Dialog_content" id='mx_Dialog_content'>
                     { this.props.description }
                 </div>
-                <div className="mx_Dialog_buttons">
-                    <button className={buttonClasses} onClick={this.onOk} autoFocus={this.props.focus}>
-                        { this.props.button || _t('OK') }
-                    </button>
+                <DialogButtons primaryButton={this.props.button || _t('OK')}
+                    onPrimaryButtonClick={this.onOk}
+                    primaryButtonClass={primaryButtonClass}
+                    focus={this.props.focus}
+                    onCancel={this.onCancel}
+                >
                     { this.props.extraButtons }
-                    { cancelButton }
-                </div>
+                </DialogButtons>
             </BaseDialog>
         );
     },

src/components/views/dialogs/SessionRestoreErrorDialog.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import sdk from '../../../index';
 import SdkConfig from '../../../SdkConfig';
 import Modal from '../../../Modal';
@@ -25,8 +26,8 @@ export default React.createClass({
     displayName: 'SessionRestoreErrorDialog',
 
     propTypes: {
-        error: React.PropTypes.string.isRequired,
-        onFinished: React.PropTypes.func.isRequired,
+        error: PropTypes.string.isRequired,
+        onFinished: PropTypes.func.isRequired,
     },
 
     componentDidMount: function() {
@@ -46,6 +47,7 @@ export default React.createClass({
 
     render: function() {
         const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
+        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
         let bugreport;
 
         if (SdkConfig.get().bug_report_endpoint_url) {
@@ -78,11 +80,9 @@ export default React.createClass({
 
                     { bugreport }
                 </div>
-                <div className="mx_Dialog_buttons">
-                    <button className="mx_Dialog_primary" onClick={this._continueClicked} autoFocus={shouldFocusContinueButton}>
-                        { _t("Continue anyway") }
-                    </button>
-                </div>
+                <DialogButtons primaryButton={_t("Continue anyway")}
+                    onPrimaryButtonClick={this._continueClicked} focus={shouldFocusContinueButton}
+                    onCancel={this.props.onFinished} />
             </BaseDialog>
         );
     },

src/components/views/dialogs/SetEmailDialog.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import sdk from '../../../index';
 import Email from '../../../email';
 import AddThreepid from '../../../AddThreepid';
@@ -30,7 +31,7 @@ import Modal from '../../../Modal';
 export default React.createClass({
     displayName: 'SetEmailDialog',
     propTypes: {
-        onFinished: React.PropTypes.func.isRequired,
+        onFinished: PropTypes.func.isRequired,
     },
 
     getInitialState: function() {

src/components/views/dialogs/SetMxIdDialog.js

@@ -17,6 +17,7 @@ limitations under the License.
 
 import Promise from 'bluebird';
 import React from 'react';
+import PropTypes from 'prop-types';
 import sdk from '../../../index';
 import MatrixClientPeg from '../../../MatrixClientPeg';
 import classnames from 'classnames';
@@ -35,11 +36,11 @@ const USERNAME_CHECK_DEBOUNCE_MS = 250;
 export default React.createClass({
     displayName: 'SetMxIdDialog',
     propTypes: {
-        onFinished: React.PropTypes.func.isRequired,
+        onFinished: PropTypes.func.isRequired,
         // Called when the user requests to register with a different homeserver
-        onDifferentServerClicked: React.PropTypes.func.isRequired,
+        onDifferentServerClicked: PropTypes.func.isRequired,
         // Called if the user wants to switch to login instead
-        onLoginClick: React.PropTypes.func.isRequired,
+        onLoginClick: PropTypes.func.isRequired,
     },
 
     getInitialState: function() {

src/components/views/dialogs/TextInputDialog.js

@@ -15,21 +15,21 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import sdk from '../../../index';
-import { _t } from '../../../languageHandler';
 
 export default React.createClass({
     displayName: 'TextInputDialog',
     propTypes: {
-        title: React.PropTypes.string,
-        description: React.PropTypes.oneOfType([
-            React.PropTypes.element,
-            React.PropTypes.string,
+        title: PropTypes.string,
+        description: PropTypes.oneOfType([
+            PropTypes.element,
+            PropTypes.string,
         ]),
-        value: React.PropTypes.string,
-        button: React.PropTypes.string,
-        focus: React.PropTypes.bool,
-        onFinished: React.PropTypes.func.isRequired,
+        value: PropTypes.string,
+        button: PropTypes.string,
+        focus: PropTypes.bool,
+        onFinished: PropTypes.func.isRequired,
     },
 
     getDefaultProps: function() {
@@ -58,6 +58,7 @@ export default React.createClass({
 
     render: function() {
         const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
+        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
         return (
             <BaseDialog className="mx_TextInputDialog" onFinished={this.props.onFinished}
                 title={this.props.title}
@@ -71,13 +72,10 @@ export default React.createClass({
                             <input id="textinput" ref="textinput" className="mx_TextInputDialog_input" defaultValue={this.props.value} autoFocus={this.props.focus} size="64" />
                         </div>
                     </div>
-                    <div className="mx_Dialog_buttons">
-                        <button onClick={this.onCancel}>
-                            { _t("Cancel") }
-                        </button>
-                        <input type="submit" className="mx_Dialog_primary" value={this.props.button} />
-                    </div>
                 </form>
+                <DialogButtons primaryButton={this.props.button}
+                    onPrimaryButtonClick={this.onOk}
+                    onCancel={this.onCancel} />
             </BaseDialog>
         );
     },

src/components/views/dialogs/UnknownDeviceDialog.js

@@ -23,14 +23,7 @@ import GeminiScrollbar from 'react-gemini-scrollbar';
 import Resend from '../../../Resend';
 import { _t } from '../../../languageHandler';
 import SettingsStore from "../../../settings/SettingsStore";
-
-function markAllDevicesKnown(devices) {
-    Object.keys(devices).forEach((userId) => {
-        Object.keys(devices[userId]).map((deviceId) => {
-            MatrixClientPeg.get().setDeviceKnown(userId, deviceId, true);
-        });
-    });
-}
+import { markAllDevicesKnown } from '../../../cryptodevices';
 
 function DeviceListEntry(props) {
     const {userId, device} = props;
@@ -141,7 +134,7 @@ export default React.createClass({
     },
 
     _onSendAnywayClicked: function() {
-        markAllDevicesKnown(this.props.devices);
+        markAllDevicesKnown(MatrixClientPeg.get(), this.props.devices);
 
         this.props.onFinished();
         this.props.onSend();
@@ -187,18 +180,11 @@ export default React.createClass({
                 }
             });
         });
-        let sendButton;
-        if (haveUnknownDevices) {
-            sendButton = <button onClick={this._onSendAnywayClicked}>
-                { this.props.sendAnywayLabel }
-            </button>;
-        } else {
-            sendButton = <button onClick={this._onSendClicked}>
-                { this.props.sendLabel }
-            </button>;
-        }
+        const sendButtonOnClick = haveUnknownDevices ? this._onSendAnywayClicked : this._onSendClicked;
+        const sendButtonLabel = haveUnknownDevices ? this.props.sendAnywayLabel : this.props.sendAnywayLabel;
 
         const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
+        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
         return (
             <BaseDialog className='mx_UnknownDeviceDialog'
                 onFinished={this.props.onFinished}
@@ -214,14 +200,9 @@ export default React.createClass({
 
                     <UnknownDeviceList devices={this.props.devices} />
                 </GeminiScrollbar>
-                <div className="mx_Dialog_buttons">
-                    {sendButton}
-                    <button className="mx_Dialog_primary" autoFocus={true}
-                        onClick={this._onDismissClicked}
-                    >
-                        {_t("Dismiss")}
-                    </button>
-                </div>
+                <DialogButtons primaryButton={sendButtonLabel}
+                    onPrimaryButtonClick={sendButtonOnClick}
+                    onCancel={this._onDismissClicked} />
             </BaseDialog>
         );
         // XXX: do we want to give the user the option to enable blacklistUnverifiedDevices for this room (or globally) at this point?

src/components/views/elements/AccessibleButton.js

@@ -15,6 +15,7 @@
  */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 
 import { KeyCode } from '../../../Keyboard';
 
@@ -72,9 +73,9 @@ export default function AccessibleButton(props) {
  *           implemented exactly like a normal onClick handler.
  */
 AccessibleButton.propTypes = {
-    children: React.PropTypes.node,
-    element: React.PropTypes.string,
-    onClick: React.PropTypes.func.isRequired,
+    children: PropTypes.node,
+    element: PropTypes.string,
+    onClick: PropTypes.func.isRequired,
 };
 
 AccessibleButton.defaultProps = {

src/components/views/elements/AddressSelector.js

@@ -18,6 +18,7 @@ limitations under the License.
 'use strict';
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import sdk from '../../../index';
 import classNames from 'classnames';
 import { UserAddressType } from '../../../UserAddress';
@@ -26,17 +27,17 @@ export default React.createClass({
     displayName: 'AddressSelector',
 
     propTypes: {
-        onSelected: React.PropTypes.func.isRequired,
+        onSelected: PropTypes.func.isRequired,
 
         // List of the addresses to display
-        addressList: React.PropTypes.arrayOf(UserAddressType).isRequired,
+        addressList: PropTypes.arrayOf(UserAddressType).isRequired,
         // Whether to show the address on the address tiles
-        showAddress: React.PropTypes.bool,
-        truncateAt: React.PropTypes.number.isRequired,
-        selected: React.PropTypes.number,
+        showAddress: PropTypes.bool,
+        truncateAt: PropTypes.number.isRequired,
+        selected: PropTypes.number,
 
         // Element to put as a header on top of the list
-        header: React.PropTypes.node,
+        header: PropTypes.node,
     },
 
     getInitialState: function() {

src/components/views/elements/AddressTile.js

@@ -16,6 +16,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import sdk from "../../../index";
 import MatrixClientPeg from "../../../MatrixClientPeg";
@@ -28,9 +29,9 @@ export default React.createClass({
 
     propTypes: {
         address: UserAddressType.isRequired,
-        canDismiss: React.PropTypes.bool,
-        onDismissed: React.PropTypes.func,
-        justified: React.PropTypes.bool,
+        canDismiss: PropTypes.bool,
+        onDismissed: PropTypes.func,
+        justified: PropTypes.bool,
     },
 
     getDefaultProps: function() {

src/components/views/elements/AppTile.js

@@ -19,6 +19,7 @@ limitations under the License.
 import url from 'url';
 import qs from 'querystring';
 import React from 'react';
+import PropTypes from 'prop-types';
 import MatrixClientPeg from '../../../MatrixClientPeg';
 import PlatformPeg from '../../../PlatformPeg';
 import ScalarAuthClient from '../../../ScalarAuthClient';
@@ -40,19 +41,19 @@ export default React.createClass({
     displayName: 'AppTile',
 
     propTypes: {
-        id: React.PropTypes.string.isRequired,
-        url: React.PropTypes.string.isRequired,
-        name: React.PropTypes.string.isRequired,
-        room: React.PropTypes.object.isRequired,
-        type: React.PropTypes.string.isRequired,
+        id: PropTypes.string.isRequired,
+        url: PropTypes.string.isRequired,
+        name: PropTypes.string.isRequired,
+        room: PropTypes.object.isRequired,
+        type: PropTypes.string.isRequired,
         // Specifying 'fullWidth' as true will render the app tile to fill the width of the app drawer continer.
         // This should be set to true when there is only one widget in the app drawer, otherwise it should be false.
-        fullWidth: React.PropTypes.bool,
+        fullWidth: PropTypes.bool,
         // UserId of the current user
-        userId: React.PropTypes.string.isRequired,
+        userId: PropTypes.string.isRequired,
         // UserId of the entity that added / modified the widget
-        creatorUserId: React.PropTypes.string,
-        waitForIframeLoad: React.PropTypes.bool,
+        creatorUserId: PropTypes.string,
+        waitForIframeLoad: PropTypes.bool,
     },
 
     getDefaultProps() {

src/components/views/elements/DNDTagTile.js

@@ -0,0 +1,43 @@
+/* eslint new-cap: "off" */
+/*
+Copyright 2017 New Vector Ltd.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import TagTile from './TagTile';
+
+import { Draggable } from 'react-beautiful-dnd';
+
+export default function DNDTagTile(props) {
+    return <div>
+        <Draggable
+            key={props.tag}
+            draggableId={props.tag}
+            index={props.index}
+        >
+            { (provided, snapshot) => (
+                <div>
+                    <div
+                        ref={provided.innerRef}
+                        {...provided.draggableProps}
+                        {...provided.dragHandleProps}
+                    >
+                        <TagTile {...props} />
+                    </div>
+                    { provided.placeholder }
+                </div>
+            ) }
+        </Draggable>
+    </div>;
+}

src/components/views/elements/DeviceVerifyButtons.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import MatrixClientPeg from '../../../MatrixClientPeg';
 import sdk from '../../../index';
 import Modal from '../../../Modal';
@@ -24,8 +25,8 @@ export default React.createClass({
     displayName: 'DeviceVerifyButtons',
 
     propTypes: {
-        userId: React.PropTypes.string.isRequired,
-        device: React.PropTypes.object.isRequired,
+        userId: PropTypes.string.isRequired,
+        device: PropTypes.object.isRequired,
     },
 
     getInitialState: function() {

src/components/views/elements/DialogButtons.js

@@ -0,0 +1,62 @@
+/*
+Copyright 2017 Aidan Gauland
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+"use strict";
+
+import React from "react";
+import PropTypes from "prop-types";
+import { _t } from '../../../languageHandler';
+
+/**
+ * Basic container for buttons in modal dialogs.
+ */
+module.exports = React.createClass({
+    displayName: "DialogButtons",
+
+    propTypes: {
+        // The primary button which is styled differently and has default focus.
+        primaryButton: PropTypes.node.isRequired,
+
+        // onClick handler for the primary button.
+        onPrimaryButtonClick: PropTypes.func.isRequired,
+
+        // onClick handler for the cancel button.
+        onCancel: PropTypes.func.isRequired,
+
+        focus: PropTypes.bool,
+    },
+
+    render: function() {
+        let primaryButtonClassName = "mx_Dialog_primary";
+        if (this.props.primaryButtonClass) {
+            primaryButtonClassName += " " + this.props.primaryButtonClass;
+        }
+        return (
+            <div className="mx_Dialog_buttons">
+                <button className={primaryButtonClassName}
+                    onClick={this.props.onPrimaryButtonClick}
+                    autoFocus={this.props.focus}
+                >
+                    { this.props.primaryButton }
+                </button>
+                { this.props.children }
+                <button onClick={this.props.onCancel}>
+                    { _t("Cancel") }
+                </button>
+            </div>
+        );
+    },
+});

src/components/views/elements/DirectorySearchBox.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import classnames from 'classnames';
 
 export default class DirectorySearchBox extends React.Component {
@@ -105,10 +106,10 @@ export default class DirectorySearchBox extends React.Component {
 }
 
 DirectorySearchBox.propTypes = {
-    className: React.PropTypes.string,
-    onChange: React.PropTypes.func,
-    onClear: React.PropTypes.func,
-    onJoinClick: React.PropTypes.func,
-    placeholder: React.PropTypes.string,
-    showJoinButton: React.PropTypes.bool,
+    className: PropTypes.string,
+    onChange: PropTypes.func,
+    onClear: PropTypes.func,
+    onJoinClick: PropTypes.func,
+    placeholder: PropTypes.string,
+    showJoinButton: PropTypes.bool,
 };

src/components/views/elements/Dropdown.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import classnames from 'classnames';
 import AccessibleButton from './AccessibleButton';
 import { _t } from '../../../languageHandler';
@@ -56,14 +57,14 @@ class MenuOption extends React.Component {
 }
 
 MenuOption.propTypes = {
-    children: React.PropTypes.oneOfType([
-      React.PropTypes.arrayOf(React.PropTypes.node),
-      React.PropTypes.node,
+    children: PropTypes.oneOfType([
+      PropTypes.arrayOf(React.PropTypes.node),
+      PropTypes.node,
     ]),
-    highlighted: React.PropTypes.bool,
-    dropdownKey: React.PropTypes.string,
-    onClick: React.PropTypes.func.isRequired,
-    onMouseEnter: React.PropTypes.func.isRequired,
+    highlighted: PropTypes.bool,
+    dropdownKey: PropTypes.string,
+    onClick: PropTypes.func.isRequired,
+    onMouseEnter: PropTypes.func.isRequired,
 };
 
 /*
@@ -322,20 +323,20 @@ Dropdown.propTypes = {
     // The width that the dropdown should be. If specified,
     // the dropped-down part of the menu will be set to this
     // width.
-    menuWidth: React.PropTypes.number,
+    menuWidth: PropTypes.number,
     // Called when the selected option changes
-    onOptionChange: React.PropTypes.func.isRequired,
+    onOptionChange: PropTypes.func.isRequired,
     // Called when the value of the search field changes
-    onSearchChange: React.PropTypes.func,
-    searchEnabled: React.PropTypes.bool,
+    onSearchChange: PropTypes.func,
+    searchEnabled: PropTypes.bool,
     // Function that, given the key of an option, returns
     // a node representing that option to be displayed in the
     // box itself as the currently-selected option (ie. as
     // opposed to in the actual dropped-down part). If
     // unspecified, the appropriate child element is used as
     // in the dropped-down menu.
-    getShortOption: React.PropTypes.func,
-    value: React.PropTypes.string,
+    getShortOption: PropTypes.func,
+    value: PropTypes.string,
     // negative for consistency with HTML
-    disabled: React.PropTypes.bool,
+    disabled: PropTypes.bool,
 };

src/components/views/elements/EditableText.js

@@ -17,6 +17,7 @@ limitations under the License.
 'use strict';
 
 const React = require('react');
+import PropTypes from 'prop-types';
 
 const KEY_TAB = 9;
 const KEY_SHIFT = 16;
@@ -26,18 +27,18 @@ module.exports = React.createClass({
     displayName: 'EditableText',
 
     propTypes: {
-        onValueChanged: React.PropTypes.func,
-        initialValue: React.PropTypes.string,
-        label: React.PropTypes.string,
-        placeholder: React.PropTypes.string,
-        className: React.PropTypes.string,
-        labelClassName: React.PropTypes.string,
-        placeholderClassName: React.PropTypes.string,
+        onValueChanged: PropTypes.func,
+        initialValue: PropTypes.string,
+        label: PropTypes.string,
+        placeholder: PropTypes.string,
+        className: PropTypes.string,
+        labelClassName: PropTypes.string,
+        placeholderClassName: PropTypes.string,
         // Overrides blurToSubmit if true
-        blurToCancel: React.PropTypes.bool,
+        blurToCancel: PropTypes.bool,
         // Will cause onValueChanged(value, true) to fire on blur
-        blurToSubmit: React.PropTypes.bool,
-        editable: React.PropTypes.bool,
+        blurToSubmit: PropTypes.bool,
+        editable: PropTypes.bool,
     },
 
     Phases: {

src/components/views/elements/EditableTextContainer.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import sdk from '../../../index';
 import Promise from 'bluebird';
 
@@ -126,21 +127,21 @@ export default class EditableTextContainer extends React.Component {
 
 EditableTextContainer.propTypes = {
     /* callback to retrieve the initial value. */
-    getInitialValue: React.PropTypes.func,
+    getInitialValue: PropTypes.func,
 
     /* initial value; used if getInitialValue is not given */
-    initialValue: React.PropTypes.string,
+    initialValue: PropTypes.string,
 
     /* placeholder text to use when the value is empty (and not being
      * edited) */
-    placeholder: React.PropTypes.string,
+    placeholder: PropTypes.string,
 
     /* callback to update the value. Called with a single argument: the new
      * value. */
-    onSubmit: React.PropTypes.func,
+    onSubmit: PropTypes.func,
 
     /* should the input submit when focus is lost? */
-    blurToSubmit: React.PropTypes.bool,
+    blurToSubmit: PropTypes.bool,
 };
 
 

src/components/views/elements/EmojiText.js

@@ -16,6 +16,7 @@
  */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import {emojifyText, containsEmoji} from '../../../HtmlUtils';
 
 export default function EmojiText(props) {
@@ -32,8 +33,8 @@ export default function EmojiText(props) {
 }
 
 EmojiText.propTypes = {
-    element: React.PropTypes.string,
-    children: React.PropTypes.string.isRequired,
+    element: PropTypes.string,
+    children: PropTypes.string.isRequired,
 };
 
 EmojiText.defaultProps = {

src/components/views/elements/Flair.js

@@ -63,7 +63,7 @@ FlairAvatar.propTypes = {
 };
 
 FlairAvatar.contextTypes = {
-    matrixClient: React.PropTypes.instanceOf(MatrixClient).isRequired,
+    matrixClient: PropTypes.instanceOf(MatrixClient).isRequired,
 };
 
 export default class Flair extends React.Component {
@@ -107,7 +107,11 @@ export default class Flair extends React.Component {
         }
         const profiles = await this._getGroupProfiles(groups);
         if (!this.unmounted) {
-            this.setState({profiles: profiles.filter((profile) => {return profile.avatarUrl;})});
+            this.setState({
+                profiles: profiles.filter((profile) => {
+                    return profile ? profile.avatarUrl : false;
+                }),
+            });
         }
     }
 
@@ -134,5 +138,5 @@ Flair.propTypes = {
 // this.context.matrixClient everywhere instead of this.props.matrixClient.
 // See https://github.com/vector-im/riot-web/issues/4951.
 Flair.contextTypes = {
-    matrixClient: React.PropTypes.instanceOf(MatrixClient).isRequired,
+    matrixClient: PropTypes.instanceOf(MatrixClient).isRequired,
 };

src/components/views/elements/LanguageDropdown.js

@@ -16,6 +16,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 
 import sdk from '../../../index';
 import * as languageHandler from '../../../languageHandler';
@@ -114,7 +115,7 @@ export default class LanguageDropdown extends React.Component {
 }
 
 LanguageDropdown.propTypes = {
-    className: React.PropTypes.string,
-    onOptionChange: React.PropTypes.func.isRequired,
-    value: React.PropTypes.string,
+    className: PropTypes.string,
+    onOptionChange: PropTypes.func.isRequired,
+    value: PropTypes.string,
 };

src/components/views/elements/MemberEventListSummary.js

@@ -14,6 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 import React from 'react';
+import PropTypes from 'prop-types';
 import sdk from '../../../index';
 const MemberAvatar = require('../avatars/MemberAvatar.js');
 import { _t } from '../../../languageHandler';
@@ -23,19 +24,19 @@ module.exports = React.createClass({
 
     propTypes: {
         // An array of member events to summarise
-        events: React.PropTypes.array.isRequired,
+        events: PropTypes.array.isRequired,
         // An array of EventTiles to render when expanded
-        children: React.PropTypes.array.isRequired,
+        children: PropTypes.array.isRequired,
         // The maximum number of names to show in either each summary e.g. 2 would result "A, B and 234 others left"
-        summaryLength: React.PropTypes.number,
+        summaryLength: PropTypes.number,
         // The maximum number of avatars to display in the summary
-        avatarsMaxLength: React.PropTypes.number,
+        avatarsMaxLength: PropTypes.number,
         // The minimum number of events needed to trigger summarisation
-        threshold: React.PropTypes.number,
+        threshold: PropTypes.number,
         // Called when the MELS expansion is toggled
-        onToggle: React.PropTypes.func,
+        onToggle: PropTypes.func,
         // Whether or not to begin with state.expanded=true
-        startExpanded: React.PropTypes.bool,
+        startExpanded: PropTypes.bool,
     },
 
     getInitialState: function() {

src/components/views/elements/Pill.js

@@ -17,7 +17,7 @@ import React from 'react';
 import sdk from '../../../index';
 import dis from '../../../dispatcher';
 import classNames from 'classnames';
-import { Room, RoomMember } from 'matrix-js-sdk';
+import { Room, RoomMember, MatrixClient } from 'matrix-js-sdk';
 import PropTypes from 'prop-types';
 import MatrixClientPeg from '../../../MatrixClientPeg';
 import { MATRIXTO_URL_PATTERN } from '../../../linkify-matrix';
@@ -61,6 +61,17 @@ const Pill = React.createClass({
         shouldShowPillAvatar: PropTypes.bool,
     },
 
+
+    childContextTypes: {
+        matrixClient: PropTypes.instanceOf(MatrixClient),
+    },
+
+    getChildContext() {
+        return {
+            matrixClient: this._matrixClient,
+        };
+    },
+
     getInitialState() {
         return {
             // ID/alias of the room/user
@@ -135,6 +146,7 @@ const Pill = React.createClass({
 
     componentWillMount() {
         this._unmounted = false;
+        this._matrixClient = MatrixClientPeg.get();
         this.componentWillReceiveProps(this.props);
     },
 

src/components/views/elements/PowerSelector.js

@@ -17,6 +17,7 @@ limitations under the License.
 'use strict';
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import * as Roles from '../../../Roles';
 import { _t } from '../../../languageHandler';
 
@@ -24,23 +25,23 @@ module.exports = React.createClass({
     displayName: 'PowerSelector',
 
     propTypes: {
-        value: React.PropTypes.number.isRequired,
+        value: PropTypes.number.isRequired,
         // The maximum value that can be set with the power selector
-        maxValue: React.PropTypes.number.isRequired,
+        maxValue: PropTypes.number.isRequired,
 
         // Default user power level for the room
-        usersDefault: React.PropTypes.number.isRequired,
+        usersDefault: PropTypes.number.isRequired,
 
         // if true, the <select/> should be a 'controlled' form element and updated by React
         // to reflect the current value, rather than left freeform.
         // MemberInfo uses controlled; RoomSettings uses non-controlled.
         //
         // ignored if disabled is truthy. false by default.
-        controlled: React.PropTypes.bool,
+        controlled: PropTypes.bool,
 
         // should the user be able to change the value? false by default.
-        disabled: React.PropTypes.bool,
-        onChange: React.PropTypes.func,
+        disabled: PropTypes.bool,
+        onChange: PropTypes.func,
     },
 
     getInitialState: function() {

src/components/views/elements/ProgressBar.js

@@ -17,12 +17,13 @@ limitations under the License.
 'use strict';
 
 const React = require('react');
+import PropTypes from 'prop-types';
 
 module.exports = React.createClass({
     displayName: 'ProgressBar',
     propTypes: {
-        value: React.PropTypes.number,
-        max: React.PropTypes.number,
+        value: PropTypes.number,
+        max: PropTypes.number,
     },
 
     render: function() {

src/components/views/elements/Quote.js

@@ -0,0 +1,188 @@
+/*
+Copyright 2017 New Vector Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+import React from 'react';
+import sdk from '../../../index';
+import {_t} from '../../../languageHandler';
+import PropTypes from 'prop-types';
+import MatrixClientPeg from '../../../MatrixClientPeg';
+import {wantsDateSeparator} from '../../../DateUtils';
+import {MatrixEvent} from 'matrix-js-sdk';
+import {makeUserPermalink} from "../../../matrix-to";
+
+// For URLs of matrix.to links in the timeline which have been reformatted by
+// HttpUtils transformTags to relative links. This excludes event URLs (with `[^\/]*`)
+const REGEX_LOCAL_MATRIXTO = /^#\/room\/([\#\!][^\/]*)\/(\$[^\/]*)$/;
+
+export default class Quote extends React.Component {
+    static isMessageUrl(url) {
+        return !!REGEX_LOCAL_MATRIXTO.exec(url);
+    }
+
+    static childContextTypes = {
+        matrixClient: PropTypes.object,
+        addRichQuote: PropTypes.func,
+    };
+
+    static propTypes = {
+        // The matrix.to url of the event
+        url: PropTypes.string,
+        // The original node that was rendered
+        node: PropTypes.instanceOf(Element),
+        // The parent event
+        parentEv: PropTypes.instanceOf(MatrixEvent),
+    };
+
+    constructor(props, context) {
+        super(props, context);
+
+        this.state = {
+            // The event related to this quote and their nested rich quotes
+            events: [],
+            // Whether the top (oldest) event should be shown or spoilered
+            show: true,
+            // Whether an error was encountered fetching nested older event, show node if it does
+            err: false,
+        };
+
+        this.onQuoteClick = this.onQuoteClick.bind(this);
+        this.addRichQuote = this.addRichQuote.bind(this);
+    }
+
+    getChildContext() {
+        return {
+            matrixClient: MatrixClientPeg.get(),
+            addRichQuote: this.addRichQuote,
+        };
+    }
+
+    parseUrl(url) {
+        if (!url) return;
+
+        // Default to the empty array if no match for simplicity
+        // resource and prefix will be undefined instead of throwing
+        const matrixToMatch = REGEX_LOCAL_MATRIXTO.exec(url) || [];
+
+        const [, roomIdentifier, eventId] = matrixToMatch;
+        return {roomIdentifier, eventId};
+    }
+
+    componentWillReceiveProps(nextProps) {
+        const {roomIdentifier, eventId} = this.parseUrl(nextProps.url);
+        if (!roomIdentifier || !eventId) return;
+
+        const room = this.getRoom(roomIdentifier);
+        if (!room) return;
+
+        // Only try and load the event if we know about the room
+        // otherwise we just leave a `Quote` anchor which can be used to navigate/join the room manually.
+        this.setState({ events: [] });
+        if (room) this.getEvent(room, eventId, true);
+    }
+
+    componentWillMount() {
+        this.componentWillReceiveProps(this.props);
+    }
+
+    getRoom(id) {
+        const cli = MatrixClientPeg.get();
+        if (id[0] === '!') return cli.getRoom(id);
+
+        return cli.getRooms().find((r) => {
+            return r.getAliases().includes(id);
+        });
+    }
+
+    async getEvent(room, eventId, show) {
+        const event = room.findEventById(eventId);
+        if (event) {
+            this.addEvent(event, show);
+            return;
+        }
+
+        await MatrixClientPeg.get().getEventTimeline(room.getUnfilteredTimelineSet(), eventId);
+        this.addEvent(room.findEventById(eventId), show);
+    }
+
+    addEvent(event, show) {
+        const events = [event].concat(this.state.events);
+        this.setState({events, show});
+    }
+
+    // addRichQuote(roomId, eventId) {
+    addRichQuote(href) {
+        const {roomIdentifier, eventId} = this.parseUrl(href);
+        if (!roomIdentifier || !eventId) {
+            this.setState({ err: true });
+            return;
+        }
+
+        const room = this.getRoom(roomIdentifier);
+        if (!room) {
+            this.setState({ err: true });
+            return;
+        }
+
+        this.getEvent(room, eventId, false);
+    }
+
+    onQuoteClick() {
+        this.setState({ show: true });
+    }
+
+    render() {
+        const events = this.state.events.slice();
+        if (events.length) {
+            const evTiles = [];
+
+            if (!this.state.show) {
+                const oldestEv = events.shift();
+                const Pill = sdk.getComponent('elements.Pill');
+                const room = MatrixClientPeg.get().getRoom(oldestEv.getRoomId());
+
+                evTiles.push(<blockquote className="mx_Quote" key="load">
+                    {
+                        _t('<a>In reply to</a> <pill>', {}, {
+                            'a': (sub) => <a onClick={this.onQuoteClick} className="mx_Quote_show">{ sub }</a>,
+                            'pill': <Pill type={Pill.TYPE_USER_MENTION} room={room}
+                                          url={makeUserPermalink(oldestEv.getSender())} shouldShowPillAvatar={true} />,
+                        })
+                    }
+                </blockquote>);
+            }
+
+            const EventTile = sdk.getComponent('views.rooms.EventTile');
+            const DateSeparator = sdk.getComponent('messages.DateSeparator');
+            events.forEach((ev) => {
+                let dateSep = null;
+
+                if (wantsDateSeparator(this.props.parentEv.getDate(), ev.getDate())) {
+                    dateSep = <a href={this.props.url}><DateSeparator ts={ev.getTs()} /></a>;
+                }
+
+                evTiles.push(<blockquote className="mx_Quote" key={ev.getId()}>
+                    { dateSep }
+                    <EventTile mxEvent={ev} tileShape="quote" />
+                </blockquote>);
+            });
+
+            return <div>{ evTiles }</div>;
+        }
+
+        // Deliberately render nothing if the URL isn't recognised
+        // in case we get an undefined/falsey node, replace it with null to make React happy
+        return this.props.node || null;
+    }
+}

src/components/views/elements/SettingsFlag.js

@@ -15,23 +15,24 @@ limitations under the License.
 */
 
 import React from "react";
+import PropTypes from 'prop-types';
 import SettingsStore from "../../../settings/SettingsStore";
 import { _t } from '../../../languageHandler';
 
 module.exports = React.createClass({
     displayName: 'SettingsFlag',
     propTypes: {
-        name: React.PropTypes.string.isRequired,
-        level: React.PropTypes.string.isRequired,
-        roomId: React.PropTypes.string, // for per-room settings
-        label: React.PropTypes.string, // untranslated
-        onChange: React.PropTypes.func,
-        isExplicit: React.PropTypes.bool,
-        manualSave: React.PropTypes.bool,
+        name: PropTypes.string.isRequired,
+        level: PropTypes.string.isRequired,
+        roomId: PropTypes.string, // for per-room settings
+        label: PropTypes.string, // untranslated
+        onChange: PropTypes.func,
+        isExplicit: PropTypes.bool,
+        manualSave: PropTypes.bool,
 
         // If group is supplied, then this will create a radio button instead.
-        group: React.PropTypes.string,
-        value: React.PropTypes.any, // the value for the radio button
+        group: PropTypes.string,
+        value: PropTypes.any, // the value for the radio button
     },
 
     getInitialState: function() {

src/components/views/elements/TagTile.js

@@ -0,0 +1,119 @@
+/*
+Copyright 2017 New Vector Ltd.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from 'react';
+import PropTypes from 'prop-types';
+import classNames from 'classnames';
+import { MatrixClient } from 'matrix-js-sdk';
+import sdk from '../../../index';
+import dis from '../../../dispatcher';
+import { isOnlyCtrlOrCmdIgnoreShiftKeyEvent } from '../../../Keyboard';
+
+import FlairStore from '../../../stores/FlairStore';
+
+// A class for a child of TagPanel (possibly wrapped in a DNDTagTile) that represents
+// a thing to click on for the user to filter the visible rooms in the RoomList to:
+//  - Rooms that are part of the group
+//  - Direct messages with members of the group
+// with the intention that this could be expanded to arbitrary tags in future.
+export default React.createClass({
+    displayName: 'TagTile',
+
+    propTypes: {
+        // A string tag such as "m.favourite" or a group ID such as "+groupid:domain.bla"
+        // For now, only group IDs are handled.
+        tag: PropTypes.string,
+    },
+
+    contextTypes: {
+        matrixClient: PropTypes.instanceOf(MatrixClient).isRequired,
+    },
+
+    getInitialState() {
+        return {
+            // Whether the mouse is over the tile
+            hover: false,
+            // The profile data of the group if this.props.tag is a group ID
+            profile: null,
+        };
+    },
+
+    componentWillMount() {
+        this.unmounted = false;
+        if (this.props.tag[0] === '+') {
+            FlairStore.getGroupProfileCached(
+                this.context.matrixClient,
+                this.props.tag,
+            ).then((profile) => {
+                if (this.unmounted) return;
+                this.setState({profile});
+            }).catch((err) => {
+                console.warn('Could not fetch group profile for ' + this.props.tag, err);
+            });
+        }
+    },
+
+    componentWillUnmount() {
+        this.unmounted = true;
+    },
+
+    onClick: function(e) {
+        e.preventDefault();
+        e.stopPropagation();
+        dis.dispatch({
+            action: 'select_tag',
+            tag: this.props.tag,
+            ctrlOrCmdKey: isOnlyCtrlOrCmdIgnoreShiftKeyEvent(e),
+            shiftKey: e.shiftKey,
+        });
+    },
+
+    onMouseOver: function() {
+        this.setState({hover: true});
+    },
+
+    onMouseOut: function() {
+        this.setState({hover: false});
+    },
+
+    render: function() {
+        const BaseAvatar = sdk.getComponent('avatars.BaseAvatar');
+        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
+        const RoomTooltip = sdk.getComponent('rooms.RoomTooltip');
+        const profile = this.state.profile || {};
+        const name = profile.name || this.props.tag;
+        const avatarHeight = 35;
+
+        const httpUrl = profile.avatarUrl ? this.context.matrixClient.mxcUrlToHttp(
+            profile.avatarUrl, avatarHeight, avatarHeight, "crop",
+        ) : null;
+
+        const className = classNames({
+            mx_TagTile: true,
+            mx_TagTile_selected: this.props.selected,
+        });
+
+        const tip = this.state.hover ?
+            <RoomTooltip className="mx_TagTile_tooltip" label={name} /> :
+            <div />;
+        return <AccessibleButton className={className} onClick={this.onClick}>
+            <div className="mx_TagTile_avatar" onMouseOver={this.onMouseOver} onMouseOut={this.onMouseOut}>
+                <BaseAvatar name={name} url={httpUrl} width={avatarHeight} height={avatarHeight} />
+                { tip }
+            </div>
+        </AccessibleButton>;
+    },
+});

src/components/views/elements/TintableSvg.js

@@ -18,16 +18,17 @@ limitations under the License.
 
 const React = require('react');
 const ReactDOM = require("react-dom");
+import PropTypes from 'prop-types';
 const Tinter = require("../../../Tinter");
 
 var TintableSvg = React.createClass({
     displayName: 'TintableSvg',
 
     propTypes: {
-        src: React.PropTypes.string.isRequired,
-        width: React.PropTypes.string.isRequired,
-        height: React.PropTypes.string.isRequired,
-        className: React.PropTypes.string,
+        src: PropTypes.string.isRequired,
+        width: PropTypes.string.isRequired,
+        height: PropTypes.string.isRequired,
+        className: PropTypes.string,
     },
 
     statics: {

src/components/views/elements/UserSelector.js

@@ -17,14 +17,15 @@ limitations under the License.
 'use strict';
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import { _t } from '../../../languageHandler';
 
 module.exports = React.createClass({
     displayName: 'UserSelector',
 
     propTypes: {
-        onChange: React.PropTypes.func,
-        selected_users: React.PropTypes.arrayOf(React.PropTypes.string),
+        onChange: PropTypes.func,
+        selected_users: PropTypes.arrayOf(React.PropTypes.string),
     },
 
     getDefaultProps: function() {

src/components/views/groups/GroupRoomTile.js

@@ -66,7 +66,7 @@ const GroupRoomTile = React.createClass({
 });
 
 GroupRoomTile.contextTypes = {
-    matrixClient: React.PropTypes.instanceOf(MatrixClient).isRequired,
+    matrixClient: PropTypes.instanceOf(MatrixClient).isRequired,
 };
 
 

src/components/views/groups/GroupTile.js

@@ -33,7 +33,7 @@ const GroupTile = React.createClass({
     },
 
     contextTypes: {
-        matrixClient: React.PropTypes.instanceOf(MatrixClient).isRequired,
+        matrixClient: PropTypes.instanceOf(MatrixClient).isRequired,
     },
 
     getInitialState() {

src/components/views/login/CaptchaForm.js

@@ -18,6 +18,7 @@ limitations under the License.
 
 import React from 'react';
 import ReactDOM from 'react-dom';
+import PropTypes from 'prop-types';
 import { _t } from '../../../languageHandler';
 
 const DIV_ID = 'mx_recaptcha';
@@ -29,10 +30,10 @@ module.exports = React.createClass({
     displayName: 'CaptchaForm',
 
     propTypes: {
-        sitePublicKey: React.PropTypes.string,
+        sitePublicKey: PropTypes.string,
 
         // called with the captcha response
-        onCaptchaResponse: React.PropTypes.func,
+        onCaptchaResponse: PropTypes.func,
     },
 
     getDefaultProps: function() {

src/components/views/login/CasLogin.js

@@ -17,13 +17,14 @@ limitations under the License.
 'use strict';
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import { _t } from '../../../languageHandler';
 
 module.exports = React.createClass({
     displayName: 'CasLogin',
 
     propTypes: {
-      onSubmit: React.PropTypes.func, // fn()
+      onSubmit: PropTypes.func, // fn()
     },
 
     render: function() {