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Convert Presence to TS

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Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
This commit is contained in:
Michael Telatynski 2020-10-13 17:39:29 +01:00
parent a94c899c0a
commit 9cfc075d68
1 changed files with 31 additions and 29 deletions
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60
src/Presence.js → src/Presence.ts
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@ -19,30 +19,34 @@ limitations under the License.
import {MatrixClientPeg} from "./MatrixClientPeg";
import dis from "./dispatcher/dispatcher";
import Timer from './utils/Timer';
import {ActionPayload} from "./dispatcher/payloads";
// Time in ms after that a user is considered as unavailable/away
// Time in ms after that a user is considered as unavailable/away
const UNAVAILABLE_TIME_MS = 3 * 60 * 1000; // 3 mins
const PRESENCE_STATES = ["online", "offline", "unavailable"];
enum State {
Online = "online",
Offline = "offline",
Unavailable = "unavailable",
}
class Presence {
constructor() {
this._activitySignal = null;
this._unavailableTimer = null;
this._onAction = this._onAction.bind(this);
this._dispatcherRef = null;
}
private unavailableTimer: Timer = null;
private dispatcherRef: string = null;
private state: State = null;
/**
* Start listening the user activity to evaluate his presence state.
* Any state change will be sent to the homeserver.
*/
async start() {
this._unavailableTimer = new Timer(UNAVAILABLE_TIME_MS);
public async start() {
this.unavailableTimer = new Timer(UNAVAILABLE_TIME_MS);
// the user_activity_start action starts the timer
this._dispatcherRef = dis.register(this._onAction);
while (this._unavailableTimer) {
this.dispatcherRef = dis.register(this.onAction);
while (this.unavailableTimer) {
try {
await this._unavailableTimer.finished();
this.setState("unavailable");
await this.unavailableTimer.finished();
this.setState(State.Unavailable);
} catch (e) { /* aborted, stop got called */ }
}
}
@ -50,14 +54,14 @@ class Presence {
/**
* Stop tracking user activity
*/
stop() {
if (this._dispatcherRef) {
dis.unregister(this._dispatcherRef);
this._dispatcherRef = null;
public stop() {
if (this.dispatcherRef) {
dis.unregister(this.dispatcherRef);
this.dispatcherRef = null;
}
if (this._unavailableTimer) {
this._unavailableTimer.abort();
this._unavailableTimer = null;
if (this.unavailableTimer) {
this.unavailableTimer.abort();
this.unavailableTimer = null;
}
}
@ -65,14 +69,14 @@ class Presence {
* Get the current presence state.
* @returns {string} the presence state (see PRESENCE enum)
*/
getState() {
public getState() {
return this.state;
}
_onAction(payload) {
private onAction = (payload: ActionPayload) => {
if (payload.action === 'user_activity') {
this.setState("online");
this._unavailableTimer.restart();
this.setState(State.Online);
this.unavailableTimer.restart();
}
}
@ -81,13 +85,11 @@ class Presence {
* If the state has changed, the homeserver will be notified.
* @param {string} newState the new presence state (see PRESENCE enum)
*/
async setState(newState) {
private async setState(newState: State) {
if (newState === this.state) {
return;
}
if (PRESENCE_STATES.indexOf(newState) === -1) {
throw new Error("Bad presence state: " + newState);
}
const oldState = this.state;
this.state = newState;