bigbluebutton-Github/bigbluebutton-html5/imports/ui/components/layout/layout-manager/smartLayout.jsx
2021-09-09 11:48:04 -03:00

675 lines
22 KiB
JavaScript

import { useEffect, useRef } from 'react';
import _ from 'lodash';
import { LayoutContextFunc } from '/imports/ui/components/layout/context';
import DEFAULT_VALUES from '/imports/ui/components/layout/defaultValues';
import { INITIAL_INPUT_STATE } from '/imports/ui/components/layout/initState';
import { DEVICE_TYPE, ACTIONS, PANELS } from '/imports/ui/components/layout/enums';
const windowWidth = () => window.document.documentElement.clientWidth;
const windowHeight = () => window.document.documentElement.clientHeight;
const min = (value1, value2) => (value1 <= value2 ? value1 : value2);
const max = (value1, value2) => (value1 >= value2 ? value1 : value2);
const SmartLayout = () => {
function usePrevious(value) {
const ref = useRef();
useEffect(() => {
ref.current = value;
});
return ref.current;
}
const { layoutContextSelector } = LayoutContextFunc;
const layoutDispatch = layoutContextSelector.layoutDispatch();
const input = layoutContextSelector.select((i) => i.input);
const deviceType = layoutContextSelector.select((i) => i.deviceType);
const isRTL = layoutContextSelector.select((i) => i.isRTL);
const fullscreen = layoutContextSelector.select((i) => i.fullscreen);
const fontSize = layoutContextSelector.select((i) => i.fontSize);
const currentPanelType = layoutContextSelector.select((i) => i.currentPanelType);
const bannerBarInput = layoutContextSelector.selectInput((i) => i.bannerBar);
const notificationsBarInput = layoutContextSelector.selectInput((i) => i.notificationsBar);
const presentationInput = layoutContextSelector.selectInput((i) => i.presentation);
const sidebarNavigationInput = layoutContextSelector.selectInput((i) => i.sidebarNavigation);
const sidebarContentInput = layoutContextSelector.selectInput((i) => i.sidebarContent);
const cameraDockInput = layoutContextSelector.selectInput((i) => i.cameraDock);
const actionbarInput = layoutContextSelector.selectInput((i) => i.actionBar);
const navbarInput = layoutContextSelector.selectInput((i) => i.navBar);
const prevDeviceType = usePrevious(deviceType);
const throttledCalculatesLayout = _.throttle(() => calculatesLayout(),
50, { 'trailing': true, 'leading': true });
useEffect(() => {
window.addEventListener('resize', () => {
layoutDispatch({
type: ACTIONS.SET_BROWSER_SIZE,
value: {
width: window.document.documentElement.clientWidth,
height: window.document.documentElement.clientHeight,
},
});
});
}, []);
useEffect(() => {
if (deviceType === null) return;
if (deviceType !== prevDeviceType) {
// reset layout if deviceType changed
// not all options is supported in all devices
init();
} else {
throttledCalculatesLayout();
}
}, [input, deviceType]);
const bannerAreaHeight = () => {
const { hasNotification } = notificationsBarInput;
const { hasBanner } = bannerBarInput;
const bannerHeight = hasBanner ? DEFAULT_VALUES.bannerHeight : 0;
const notificationHeight = hasNotification ? DEFAULT_VALUES.bannerHeight : 0;
return bannerHeight + notificationHeight;
};
const init = () => {
if (deviceType === DEVICE_TYPE.MOBILE) {
layoutDispatch({
type: ACTIONS.SET_LAYOUT_INPUT,
value: _.defaultsDeep({
sidebarNavigation: {
isOpen: false,
sidebarNavPanel: sidebarNavigationInput.sidebarNavPanel,
},
sidebarContent: {
isOpen: false,
sidebarContentPanel: sidebarContentInput.sidebarContentPanel,
},
SidebarContentHorizontalResizer: {
isOpen: false,
},
presentation: {
slidesLength: presentationInput.slidesLength,
currentSlide: {
...presentationInput.currentSlide,
},
},
cameraDock: {
numCameras: cameraDockInput.numCameras,
},
}, INITIAL_INPUT_STATE),
});
} else {
const { sidebarContentPanel } = sidebarContentInput;
layoutDispatch({
type: ACTIONS.SET_LAYOUT_INPUT,
value: _.defaultsDeep({
sidebarNavigation: {
isOpen: true,
},
sidebarContent: {
isOpen: sidebarContentPanel !== PANELS.NONE,
sidebarContentPanel,
},
SidebarContentHorizontalResizer: {
isOpen: false,
},
presentation: {
slidesLength: presentationInput.slidesLength,
currentSlide: {
...presentationInput.currentSlide,
},
},
cameraDock: {
numCameras: cameraDockInput.numCameras,
},
}, INITIAL_INPUT_STATE),
});
}
throttledCalculatesLayout();
};
const calculatesNavbarBounds = (mediaAreaBounds) => {
return {
width: mediaAreaBounds.width,
height: DEFAULT_VALUES.navBarHeight,
top: DEFAULT_VALUES.navBarTop + bannerAreaHeight(),
left: !isRTL ? mediaAreaBounds.left : 0,
zIndex: 1,
};
};
const calculatesActionbarHeight = () => {
const BASE_FONT_SIZE = 14; // 90% font size
const BASE_HEIGHT = DEFAULT_VALUES.actionBarHeight;
const PADDING = DEFAULT_VALUES.actionBarPadding;
const actionBarHeight = ((BASE_HEIGHT / BASE_FONT_SIZE) * fontSize);
return {
height: actionBarHeight + (PADDING * 2),
innerHeight: actionBarHeight,
padding: PADDING,
};
};
const calculatesActionbarBounds = (mediaAreaBounds) => {
const actionBarHeight = calculatesActionbarHeight();
return {
display: actionbarInput.hasActionBar,
width: mediaAreaBounds.width,
height: actionBarHeight.height,
innerHeight: actionBarHeight.innerHeight,
padding: actionBarHeight.padding,
top: windowHeight() - actionBarHeight.height,
left: !isRTL ? mediaAreaBounds.left : 0,
zIndex: 1,
};
};
const calculatesSidebarNavWidth = () => {
const {
sidebarNavMinWidth,
sidebarNavMaxWidth,
} = DEFAULT_VALUES;
let minWidth = 0;
let width = 0;
let maxWidth = 0;
if (sidebarNavigationInput.isOpen) {
if (deviceType === DEVICE_TYPE.MOBILE) {
minWidth = windowWidth();
width = windowWidth();
maxWidth = windowWidth();
} else {
if (sidebarNavigationInput.width === 0) {
width = min(max((windowWidth() * 0.2), sidebarNavMinWidth), sidebarNavMaxWidth);
} else {
width = min(max(sidebarNavigationInput.width, sidebarNavMinWidth), sidebarNavMaxWidth);
}
minWidth = sidebarNavMinWidth;
maxWidth = sidebarNavMaxWidth;
}
}
return {
minWidth,
width,
maxWidth,
};
};
const calculatesSidebarNavHeight = () => {
let sidebarNavHeight = 0;
if (sidebarNavigationInput.isOpen) {
if (deviceType === DEVICE_TYPE.MOBILE) {
sidebarNavHeight = windowHeight() - DEFAULT_VALUES.navBarHeight;
} else {
sidebarNavHeight = windowHeight();
}
sidebarNavHeight -= bannerAreaHeight();
}
return sidebarNavHeight;
};
const calculatesSidebarNavBounds = () => {
const { sidebarNavTop, navBarHeight, sidebarNavLeft } = DEFAULT_VALUES;
let top = sidebarNavTop + bannerAreaHeight();
if (deviceType === DEVICE_TYPE.MOBILE) top = navBarHeight + bannerAreaHeight();
return {
top,
left: !isRTL ? sidebarNavLeft : null,
right: isRTL ? sidebarNavLeft : null,
zIndex: deviceType === DEVICE_TYPE.MOBILE ? 11 : 2,
};
};
const calculatesSidebarContentWidth = () => {
const {
sidebarContentMinWidth,
sidebarContentMaxWidth,
} = DEFAULT_VALUES;
let minWidth = 0;
let width = 0;
let maxWidth = 0;
if (sidebarContentInput.isOpen) {
if (deviceType === DEVICE_TYPE.MOBILE) {
minWidth = windowWidth();
width = windowWidth();
maxWidth = windowWidth();
} else {
if (sidebarContentInput.width === 0) {
width = min(
max((windowWidth() * 0.2), sidebarContentMinWidth), sidebarContentMaxWidth,
);
} else {
width = min(max(sidebarContentInput.width, sidebarContentMinWidth),
sidebarContentMaxWidth);
}
minWidth = sidebarContentMinWidth;
maxWidth = sidebarContentMaxWidth;
}
}
return {
minWidth,
width,
maxWidth,
};
};
const calculatesSidebarContentHeight = () => {
let sidebarContentHeight = 0;
if (sidebarContentInput.isOpen) {
if (deviceType === DEVICE_TYPE.MOBILE) {
sidebarContentHeight = windowHeight() - DEFAULT_VALUES.navBarHeight;
} else {
sidebarContentHeight = windowHeight();
}
sidebarContentHeight -= bannerAreaHeight();
}
return sidebarContentHeight;
};
const calculatesSidebarContentBounds = (sidebarNavWidth) => {
const { sidebarNavTop, navBarHeight } = DEFAULT_VALUES;
let top = sidebarNavTop + bannerAreaHeight();
if (deviceType === DEVICE_TYPE.MOBILE) top = navBarHeight + bannerAreaHeight();
let left = deviceType === DEVICE_TYPE.MOBILE ? 0 : sidebarNavWidth;
left = !isRTL ? left : null;
let right = deviceType === DEVICE_TYPE.MOBILE ? 0 : sidebarNavWidth;
right = isRTL ? right : null;
return {
top,
left,
right,
zIndex: deviceType === DEVICE_TYPE.MOBILE ? 11 : 1,
};
};
const calculatesMediaAreaBounds = (sidebarNavWidth, sidebarContentWidth) => {
const { navBarHeight } = DEFAULT_VALUES;
const { height: actionBarHeight } = calculatesActionbarHeight();
let left = 0;
let width = 0;
if (deviceType === DEVICE_TYPE.MOBILE) {
left = 0;
width = windowWidth();
} else {
left = !isRTL ? sidebarNavWidth + sidebarContentWidth : 0;
width = windowWidth() - sidebarNavWidth - sidebarContentWidth;
}
return {
width,
height: windowHeight() - (navBarHeight + actionBarHeight + bannerAreaHeight()),
top: navBarHeight + bannerAreaHeight(),
left,
};
};
const calculatesCameraDockBounds = (mediaAreaBounds, mediaBounds, sidebarSize) => {
const { isOpen } = presentationInput;
const { camerasMargin, presentationToolbarMinWidth } = DEFAULT_VALUES;
const cameraDockBounds = {};
cameraDockBounds.isCameraHorizontal = false;
const mediaBoundsWidth = (mediaBounds.width > presentationToolbarMinWidth
&& deviceType !== DEVICE_TYPE.MOBILE)
? mediaBounds.width
: presentationToolbarMinWidth;
if (cameraDockInput.numCameras > 0) {
cameraDockBounds.top = mediaAreaBounds.top;
cameraDockBounds.left = mediaAreaBounds.left;
cameraDockBounds.right = isRTL ? sidebarSize + (camerasMargin * 2) : null;
cameraDockBounds.zIndex = 1;
if (!isOpen) {
cameraDockBounds.width = mediaAreaBounds.width;
cameraDockBounds.maxWidth = mediaAreaBounds.width;
cameraDockBounds.height = mediaAreaBounds.height;
cameraDockBounds.maxHeight = mediaAreaBounds.height;
} else if (mediaBounds.width < mediaAreaBounds.width) {
cameraDockBounds.width = mediaAreaBounds.width - mediaBoundsWidth;
cameraDockBounds.maxWidth = mediaAreaBounds.width * 0.8;
cameraDockBounds.height = mediaAreaBounds.height;
cameraDockBounds.maxHeight = mediaAreaBounds.height;
cameraDockBounds.left += camerasMargin;
cameraDockBounds.width -= (camerasMargin * 2);
cameraDockBounds.isCameraHorizontal = true;
} else {
cameraDockBounds.width = mediaAreaBounds.width;
cameraDockBounds.maxWidth = mediaAreaBounds.width;
cameraDockBounds.height = mediaAreaBounds.height - mediaBounds.height;
cameraDockBounds.maxHeight = mediaAreaBounds.height * 0.8;
cameraDockBounds.top += camerasMargin;
cameraDockBounds.height -= (camerasMargin * 2);
}
cameraDockBounds.minWidth = cameraDockBounds.width;
cameraDockBounds.minHeight = cameraDockBounds.height;
if (fullscreen.group === 'webcams') {
cameraDockBounds.width = windowWidth();
cameraDockBounds.minWidth = windowWidth();
cameraDockBounds.maxWidth = windowWidth();
cameraDockBounds.height = windowHeight();
cameraDockBounds.minHeight = windowHeight();
cameraDockBounds.maxHeight = windowHeight();
cameraDockBounds.top = 0;
cameraDockBounds.left = 0;
cameraDockBounds.right = 0;
cameraDockBounds.zIndex = 99;
}
} else {
cameraDockBounds.width = 0;
cameraDockBounds.height = 0;
}
return cameraDockBounds;
};
const calculatesSlideSize = (mediaAreaBounds) => {
const { currentSlide } = presentationInput;
if (currentSlide.size.width === 0 && currentSlide.size.height === 0) {
return {
width: 0,
height: 0,
};
}
let slideWidth;
let slideHeight;
slideWidth = (currentSlide.size.width * mediaAreaBounds.height) / currentSlide.size.height;
slideHeight = mediaAreaBounds.height;
if (slideWidth > mediaAreaBounds.width) {
slideWidth = mediaAreaBounds.width;
slideHeight = (currentSlide.size.height * mediaAreaBounds.width) / currentSlide.size.width;
}
return {
width: slideWidth,
height: slideHeight,
};
};
const calculatesMediaBounds = (mediaAreaBounds, slideSize, sidebarSize) => {
const { isOpen } = presentationInput;
const mediaBounds = {};
const { element: fullscreenElement } = fullscreen;
if (!isOpen) {
mediaBounds.width = 0;
mediaBounds.height = 0;
mediaBounds.top = 0;
mediaBounds.left = !isRTL ? 0 : null;
mediaBounds.right = isRTL ? 0 : null;
mediaBounds.zIndex = 0;
return mediaBounds;
}
if (fullscreenElement === 'Presentation' || fullscreenElement === 'Screenshare') {
mediaBounds.width = windowWidth();
mediaBounds.height = windowHeight();
mediaBounds.top = 0;
mediaBounds.left = !isRTL ? 0 : null;
mediaBounds.right = isRTL ? 0 : null;
mediaBounds.zIndex = 99;
return mediaBounds;
}
if (cameraDockInput.numCameras > 0 && !cameraDockInput.isDragging) {
if (slideSize.width !== 0 && slideSize.height !== 0) {
if (slideSize.width < mediaAreaBounds.width && deviceType !== DEVICE_TYPE.MOBILE) {
if (slideSize.width < (mediaAreaBounds.width * 0.8)) {
mediaBounds.width = slideSize.width;
} else {
mediaBounds.width = mediaAreaBounds.width * 0.8;
}
mediaBounds.height = mediaAreaBounds.height;
mediaBounds.top = mediaAreaBounds.top;
const sizeValue = mediaAreaBounds.left
+ (mediaAreaBounds.width - mediaBounds.width);
mediaBounds.left = !isRTL ? sizeValue : null;
mediaBounds.right = isRTL ? sidebarSize : null;
} else {
if (slideSize.height < (mediaAreaBounds.height * 0.8)) {
mediaBounds.height = slideSize.height;
} else {
mediaBounds.height = mediaAreaBounds.height * 0.8;
}
mediaBounds.width = mediaAreaBounds.width;
mediaBounds.top = mediaAreaBounds.top
+ (mediaAreaBounds.height - mediaBounds.height);
const sizeValue = mediaAreaBounds.left;
mediaBounds.left = !isRTL ? sizeValue : null;
mediaBounds.right = isRTL ? sidebarSize : null;
}
} else {
mediaBounds.width = mediaAreaBounds.width;
mediaBounds.height = mediaAreaBounds.height * 0.8;
mediaBounds.top = mediaAreaBounds.top
+ (mediaAreaBounds.height - mediaBounds.height);
const sizeValue = mediaAreaBounds.left;
mediaBounds.left = !isRTL ? sizeValue : null;
mediaBounds.right = isRTL ? sidebarSize : null;
}
} else {
mediaBounds.width = mediaAreaBounds.width;
mediaBounds.height = mediaAreaBounds.height;
mediaBounds.top = mediaAreaBounds.top;
const sizeValue = mediaAreaBounds.left;
mediaBounds.left = !isRTL ? sizeValue : null;
mediaBounds.right = isRTL ? sidebarSize : null;
}
mediaBounds.zIndex = 1;
return mediaBounds;
};
const calculatesLayout = () => {
const { camerasMargin, captionsMargin } = DEFAULT_VALUES;
const sidebarNavWidth = calculatesSidebarNavWidth();
const sidebarNavHeight = calculatesSidebarNavHeight();
const sidebarContentWidth = calculatesSidebarContentWidth();
const sidebarContentHeight = calculatesSidebarContentHeight();
const sidebarNavBounds = calculatesSidebarNavBounds();
const sidebarContentBounds = calculatesSidebarContentBounds(sidebarNavWidth.width);
const mediaAreaBounds = calculatesMediaAreaBounds(sidebarNavWidth.width, sidebarContentWidth.width);
const navbarBounds = calculatesNavbarBounds(mediaAreaBounds);
const actionbarBounds = calculatesActionbarBounds(mediaAreaBounds);
const slideSize = calculatesSlideSize(mediaAreaBounds);
const sidebarSize = sidebarContentWidth.width + sidebarNavWidth.width;
const mediaBounds = calculatesMediaBounds(mediaAreaBounds, slideSize, sidebarSize);
const cameraDockBounds = calculatesCameraDockBounds(mediaAreaBounds, mediaBounds, sidebarSize);
const horizontalCameraDiff = cameraDockBounds.isCameraHorizontal
? cameraDockBounds.width + (camerasMargin * 2)
: 0;
layoutDispatch({
type: ACTIONS.SET_NAVBAR_OUTPUT,
value: {
display: navbarInput.hasNavBar,
width: navbarBounds.width,
height: navbarBounds.height,
top: navbarBounds.top,
left: navbarBounds.left,
tabOrder: DEFAULT_VALUES.navBarTabOrder,
zIndex: navbarBounds.zIndex,
},
});
layoutDispatch({
type: ACTIONS.SET_ACTIONBAR_OUTPUT,
value: {
display: actionbarInput.hasActionBar,
width: actionbarBounds.width,
height: actionbarBounds.height,
innerHeight: actionbarBounds.innerHeight,
top: actionbarBounds.top,
left: actionbarBounds.left,
padding: actionbarBounds.padding,
tabOrder: DEFAULT_VALUES.actionBarTabOrder,
zIndex: actionbarBounds.zIndex,
},
});
layoutDispatch({
type: ACTIONS.SET_CAPTIONS_OUTPUT,
value: {
left: !isRTL ? (mediaBounds.left + captionsMargin) : null,
right: isRTL ? (mediaBounds.right + captionsMargin) : null,
maxWidth: mediaBounds.width - (captionsMargin * 2),
},
});
layoutDispatch({
type: ACTIONS.SET_SIDEBAR_NAVIGATION_OUTPUT,
value: {
display: sidebarNavigationInput.isOpen,
minWidth: sidebarNavWidth.minWidth,
width: sidebarNavWidth.width,
maxWidth: sidebarNavWidth.maxWidth,
height: sidebarNavHeight,
top: sidebarNavBounds.top,
left: sidebarNavBounds.left,
right: sidebarNavBounds.right,
tabOrder: DEFAULT_VALUES.sidebarNavTabOrder,
isResizable: deviceType !== DEVICE_TYPE.MOBILE
&& deviceType !== DEVICE_TYPE.TABLET,
zIndex: sidebarNavBounds.zIndex,
},
});
layoutDispatch({
type: ACTIONS.SET_SIDEBAR_NAVIGATION_RESIZABLE_EDGE,
value: {
top: false,
right: !isRTL,
bottom: false,
left: isRTL,
},
});
layoutDispatch({
type: ACTIONS.SET_SIDEBAR_CONTENT_OUTPUT,
value: {
display: sidebarContentInput.isOpen,
minWidth: sidebarContentWidth.minWidth,
width: sidebarContentWidth.width,
maxWidth: sidebarContentWidth.maxWidth,
height: sidebarContentHeight,
top: sidebarContentBounds.top,
left: sidebarContentBounds.left,
right: sidebarContentBounds.right,
currentPanelType,
tabOrder: DEFAULT_VALUES.sidebarContentTabOrder,
isResizable: deviceType !== DEVICE_TYPE.MOBILE
&& deviceType !== DEVICE_TYPE.TABLET,
zIndex: sidebarContentBounds.zIndex,
},
});
layoutDispatch({
type: ACTIONS.SET_SIDEBAR_CONTENT_RESIZABLE_EDGE,
value: {
top: false,
right: !isRTL,
bottom: false,
left: isRTL,
},
});
layoutDispatch({
type: ACTIONS.SET_MEDIA_AREA_SIZE,
value: {
width: mediaAreaBounds.width,
height: mediaAreaBounds.height,
},
});
layoutDispatch({
type: ACTIONS.SET_CAMERA_DOCK_OUTPUT,
value: {
display: cameraDockInput.numCameras > 0,
minWidth: cameraDockBounds.minWidth,
width: cameraDockBounds.width,
maxWidth: cameraDockBounds.maxWidth,
minHeight: cameraDockBounds.minHeight,
height: cameraDockBounds.height,
maxHeight: cameraDockBounds.maxHeight,
top: cameraDockBounds.top,
left: cameraDockBounds.left,
right: cameraDockBounds.right,
tabOrder: 4,
isDraggable: false,
resizableEdge: {
top: false,
right: false,
bottom: false,
left: false,
},
zIndex: cameraDockBounds.zIndex,
},
});
layoutDispatch({
type: ACTIONS.SET_PRESENTATION_OUTPUT,
value: {
display: presentationInput.isOpen,
width: mediaBounds.width,
height: mediaBounds.height,
top: mediaBounds.top,
left: mediaBounds.left,
right: isRTL ? (mediaBounds.right + horizontalCameraDiff) : null,
tabOrder: DEFAULT_VALUES.presentationTabOrder,
isResizable: false,
zIndex: mediaBounds.zIndex,
},
});
layoutDispatch({
type: ACTIONS.SET_SCREEN_SHARE_OUTPUT,
value: {
width: mediaBounds.width,
height: mediaBounds.height,
top: mediaBounds.top,
left: mediaBounds.left,
right: isRTL ? (mediaBounds.right + horizontalCameraDiff) : null,
zIndex: mediaBounds.zIndex,
},
});
layoutDispatch({
type: ACTIONS.SET_EXTERNAL_VIDEO_OUTPUT,
value: {
width: mediaBounds.width,
height: mediaBounds.height,
top: mediaBounds.top,
left: mediaBounds.left,
right: isRTL ? (mediaBounds.right + horizontalCameraDiff) : null,
},
});
};
return null;
};
export default SmartLayout;