bigbluebutton-Github/bigbluebutton-html5/imports/ui/components/media/webcam-draggable-overlay/component.jsx
2020-05-05 21:17:48 +00:00

576 lines
17 KiB
JavaScript

import React, { PureComponent, Fragment } from 'react';
import Draggable from 'react-draggable';
import cx from 'classnames';
import _ from 'lodash';
import PropTypes from 'prop-types';
import Resizable from 're-resizable';
import { isMobile, isIPad13 } from 'react-device-detect';
import { withDraggableConsumer } from './context';
import VideoProviderContainer from '/imports/ui/components/video-provider/container';
import { styles } from '../styles.scss';
import Storage from '../../../services/storage/session';
const BROWSER_ISMOBILE = isMobile || isIPad13;
const propTypes = {
swapLayout: PropTypes.bool,
hideOverlay: PropTypes.bool,
disableVideo: PropTypes.bool,
audioModalIsOpen: PropTypes.bool,
webcamDraggableState: PropTypes.objectOf(Object).isRequired,
webcamDraggableDispatch: PropTypes.func.isRequired,
refMediaContainer: PropTypes.shape({ current: PropTypes.instanceOf(Element) }),
usersVideoLenght: PropTypes.number.isRequired,
};
const defaultProps = {
swapLayout: false,
hideOverlay: false,
disableVideo: false,
audioModalIsOpen: false,
refMediaContainer: null,
};
const dispatchResizeEvent = () => window.dispatchEvent(new Event('resize'));
class WebcamDraggable extends PureComponent {
constructor(props) {
super(props);
this.handleWebcamDragStart = this.handleWebcamDragStart.bind(this);
this.handleWebcamDragStop = this.handleWebcamDragStop.bind(this);
this.onFullscreenChange = this.onFullscreenChange.bind(this);
this.debouncedOnResize = _.debounce(this.onWindowResize.bind(this), 500);
this.onResizeStop = this.onResizeStop.bind(this);
this.onResizeStart = this.onResizeStart.bind(this);
this.setPlacementPercent = this.setPlacementPercent.bind(this);
this.recalculateAreaSize = this.recalculateAreaSize.bind(this);
this.state = {
resizing: false,
placementPercent: 0,
};
}
componentDidMount() {
dispatchResizeEvent();
window.addEventListener('resize', this.debouncedOnResize);
document.addEventListener('fullscreenchange', this.onFullscreenChange);
window.addEventListener('orientationchange', () => setTimeout(this.recalculateAreaSize, 500));
}
componentDidUpdate(prevProps) {
const {
swapLayout,
webcamDraggableState,
webcamDraggableDispatch,
usersVideoLenght,
} = this.props;
const {
placement: statePlacement,
orientation,
lastPlacementLandscape,
lastPlacementPortrait,
} = webcamDraggableState;
const { webcamDraggableState: prevWebcamDraggableState } = prevProps;
const { placement: prevPlacement, orientation: prevOrientation } = prevWebcamDraggableState;
if (prevProps.swapLayout !== swapLayout) {
setTimeout(() => this.forceUpdate(), 500);
}
if (prevPlacement !== statePlacement) {
setTimeout(() => this.forceUpdate(), 200);
setTimeout(() => window.dispatchEvent(new Event('resize')), 500);
}
if (prevProps.usersVideoLenght !== usersVideoLenght) {
dispatchResizeEvent();
}
if (prevOrientation !== orientation) {
const storagePlacement = Storage.getItem('webcamPlacement');
if ((prevOrientation == null || prevOrientation === 'portrait') && orientation === 'landscape') {
if (storagePlacement !== lastPlacementLandscape && lastPlacementLandscape === 'top') webcamDraggableDispatch({ type: 'setplacementToTop' });
if (storagePlacement !== lastPlacementLandscape && lastPlacementLandscape === 'bottom') webcamDraggableDispatch({ type: 'setplacementToBottom' });
}
if ((prevOrientation == null || prevOrientation === 'landscape') && orientation === 'portrait') {
if (storagePlacement !== lastPlacementPortrait && lastPlacementPortrait === 'left') webcamDraggableDispatch({ type: 'setplacementToLeft' });
if (storagePlacement !== lastPlacementPortrait && lastPlacementPortrait === 'right') webcamDraggableDispatch({ type: 'setplacementToRight' });
}
}
}
componentWillUnmount() {
window.removeEventListener('resize', this.debouncedOnResize);
document.removeEventListener('fullscreenchange', this.onFullscreenChange);
dispatchResizeEvent();
}
onFullscreenChange() {
this.forceUpdate();
}
onResizeStart() {
this.setState({ resizing: true });
}
onWindowResize() {
const { webcamDraggableState, webcamDraggableDispatch } = this.props;
const { mediaSize } = webcamDraggableState;
const { width: stateWidth, height: stateHeight } = mediaSize;
const { width, height } = this.getMediaBounds();
if (stateWidth !== width || stateHeight !== height) {
webcamDraggableDispatch(
{
type: 'setMediaSize',
value: {
width,
height,
},
},
);
setTimeout(() => window.dispatchEvent(new Event('resize')), 300);
}
}
onResize() {
this.setPlacementPercent();
}
onResizeStop() {
const { webcamDraggableState, webcamDraggableDispatch } = this.props;
const { optimalGrid } = webcamDraggableState;
if (optimalGrid) {
webcamDraggableDispatch(
{
type: 'setVideoListSize',
value: {
width: optimalGrid.width,
height: optimalGrid.height,
},
},
);
}
this.setPlacementPercent();
window.dispatchEvent(new Event('resize'));
setTimeout(() => this.setState({ resizing: false }), 500);
}
setPlacementPercent() {
const { webcamDraggableState } = this.props;
const { optimalGrid, placement } = webcamDraggableState;
if (placement === 'top' || placement === 'bottom') {
const mediaSelection = document.querySelector('section[class^=media]');
const mediaHeight = mediaSelection ? mediaSelection.offsetHeight : 0;
this.setState({ placementPercent: (optimalGrid.height * 100) / mediaHeight });
}
if (placement === 'left' || placement === 'right') {
const mediaSelection = document.querySelector('section[class^=media]');
const mediaWidth = mediaSelection ? mediaSelection.offsetWidth : 0;
this.setState({ placementPercent: (optimalGrid.width * 100) / mediaWidth });
}
}
getMediaBounds() {
const { refMediaContainer, webcamDraggableState, webcamDraggableDispatch } = this.props;
const { mediaSize: mediaState } = webcamDraggableState;
const { current: mediaContainer } = refMediaContainer;
if (mediaContainer) {
const mediaContainerRect = mediaContainer.getBoundingClientRect();
const {
top, left, width: newWidth, height: newHeight,
} = mediaContainerRect;
if ((mediaState.width === 0 || mediaState.height === 0) && (newWidth > 0 && newHeight > 0)) {
webcamDraggableDispatch(
{
type: 'setMediaSize',
value: {
newWidth,
newHeight,
},
},
);
}
return {
top,
left,
width: newWidth,
height: newHeight,
};
}
return false;
}
getWebcamsListBounds() {
const { webcamDraggableState } = this.props;
const { videoListRef } = webcamDraggableState;
if (videoListRef) {
const videoListRefRect = videoListRef.getBoundingClientRect();
const {
top, left, width, height,
} = videoListRefRect;
return {
top, // 10 = margin
left, // 10 = margin
width, // 20 = margin
height, // 20 = margin
};
}
return false;
}
recalculateAreaSize() {
this.onResizeStart();
this.onResizeStop();
}
calculatePosition() {
const { top: mediaTop, left: mediaLeft } = this.getMediaBounds();
const { top: webcamsListTop, left: webcamsListLeft } = this.getWebcamsListBounds();
const x = webcamsListLeft - mediaLeft;
const y = webcamsListTop - mediaTop;
return {
x,
y,
};
}
handleWebcamDragStart() {
const { webcamDraggableDispatch } = this.props;
const { x, y } = this.calculatePosition();
webcamDraggableDispatch({ type: 'dragStart' });
webcamDraggableDispatch(
{
type: 'setTempPosition',
value: {
x,
y,
},
},
);
}
handleWebcamDragStop(e) {
const { webcamDraggableDispatch } = this.props;
const targetClassname = JSON.stringify(e.target.className);
if (targetClassname) {
if (targetClassname.includes('Top')) {
webcamDraggableDispatch({ type: 'setplacementToTop' });
webcamDraggableDispatch({ type: 'setLastPlacementLandscapeToTop' });
} else if (targetClassname.includes('Right')) {
webcamDraggableDispatch({ type: 'setplacementToRight' });
webcamDraggableDispatch({ type: 'setLastPlacementPortraitToRight' });
} else if (targetClassname.includes('Bottom')) {
webcamDraggableDispatch({ type: 'setplacementToBottom' });
webcamDraggableDispatch({ type: 'setLastPlacementLandscapeToBottom' });
} else if (targetClassname.includes('Left')) {
webcamDraggableDispatch({ type: 'setplacementToLeft' });
webcamDraggableDispatch({ type: 'setLastPlacementPortraitToLeft' });
}
}
webcamDraggableDispatch({ type: 'dragEnd' });
window.dispatchEvent(new Event('resize'));
setTimeout(this.recalculateAreaSize, 500);
}
render() {
const {
webcamDraggableState,
swapLayout,
hideOverlay,
disableVideo,
audioModalIsOpen,
refMediaContainer,
} = this.props;
const {
resizing,
placementPercent,
} = this.state;
const {
dragging,
isCameraFullscreen,
videoListSize,
optimalGrid,
} = webcamDraggableState;
const placement = Storage.getItem('webcamPlacement');
const lastPosition = Storage.getItem('webcamLastPosition') || { x: 0, y: 0 };
let position = lastPosition;
if (dragging) {
position = webcamDraggableState.tempPosition;
} else if (!dragging) {
position = webcamDraggableState.lastPosition;
} else {
position = {
x: 0,
y: 0,
};
}
if (swapLayout || isCameraFullscreen || BROWSER_ISMOBILE) {
position = {
x: 0,
y: 0,
};
}
const {
width: mediaWidth,
height: mediaHeight,
} = this.getMediaBounds();
const {
width: webcamsWidth,
height: webcamsHeight,
} = this.getWebcamsListBounds();
const isOverflowWidth = (lastPosition.x + webcamsWidth) > mediaWidth;
const isOverflowHeight = (lastPosition.y + webcamsHeight) > mediaHeight;
position = {
x: isOverflowWidth
&& !dragging && !swapLayout ? mediaWidth - webcamsWidth : position.x,
y: isOverflowHeight
&& !dragging && !swapLayout ? mediaHeight - (webcamsHeight + 1) : position.y,
};
const contentClassName = cx({
[styles.content]: true,
[styles.fullWidth]: swapLayout,
[styles.fullHeight]: swapLayout,
});
const { current: mediaContainer } = refMediaContainer;
let layout = 'vertical';
if (mediaContainer) {
const classNameMediaContainer = mediaContainer.className;
if (classNameMediaContainer.includes('containerH')) {
layout = 'horizontal';
} else {
layout = 'vertical';
}
}
const overlayClassName = cx({
[styles.overlay]: true,
[styles.hideOverlay]: hideOverlay,
[styles.floatingOverlay]: dragging,
[styles.autoWidth]: dragging,
[styles.fullWidth]: (
(
placement === 'top'
|| placement === 'bottom'
)
|| swapLayout
)
&& !dragging,
[styles.fullHeight]: (
(
placement === 'left'
&& placement === 'right'
)
|| swapLayout
)
&& !dragging,
[styles.overlayToTop]: placement === 'top' && !dragging,
[styles.overlayToRight]: placement === 'right' && !dragging,
[styles.overlayToBottom]: placement === 'bottom' && !dragging,
[styles.overlayToLeft]: placement === 'left' && !dragging,
[styles.dragging]: dragging,
[styles.hide]: (
(
placement === 'left'
|| placement === 'right'
)
&& layout === 'vertical'
)
|| (
(
placement === 'top'
|| placement === 'bottom'
)
&& layout === 'horizontal'
),
});
const dropZoneTopClassName = cx({
[styles.dropZoneTop]: true,
[styles.show]: dragging,
[styles.hide]: !dragging,
[styles.cursorGrabbing]: dragging && !isCameraFullscreen,
});
const dropZoneLeftClassName = cx({
[styles.dropZoneLeft]: true,
[styles.show]: dragging,
[styles.hide]: !dragging,
[styles.cursorGrabbing]: dragging && !isCameraFullscreen,
});
const dropZoneBottomClassName = cx({
[styles.dropZoneBottom]: true,
[styles.show]: dragging,
[styles.hide]: !dragging,
[styles.cursorGrabbing]: dragging && !isCameraFullscreen,
});
const dropZoneRightClassName = cx({
[styles.dropZoneRight]: true,
[styles.show]: dragging,
[styles.hide]: !dragging,
[styles.cursorGrabbing]: dragging && !isCameraFullscreen,
});
const dropZoneBgTopClassName = cx({
[styles.dropZoneBgTop]: true,
});
const dropZoneBgLeftClassName = cx({
[styles.dropZoneBgLeft]: true,
});
const dropZoneBgBottomClassName = cx({
[styles.dropZoneBgBottom]: true,
});
const dropZoneBgRightClassName = cx({
[styles.dropZoneBgRight]: true,
});
const mediaSelection = document.querySelector('section[class^=media]');
const mHeight = mediaSelection ? mediaSelection.offsetHeight : 0;
const mWidth = mediaSelection ? mediaSelection.offsetWidth : 0;
let resizeWidth;
let resizeHeight;
if (resizing && (placement === 'top' || placement === 'bottom') && !dragging) {
resizeWidth = '100%';
resizeHeight = videoListSize.height;
}
if (!resizing && (placement === 'top' || placement === 'bottom') && !dragging) {
resizeWidth = '100%';
resizeHeight = mHeight * (placementPercent / 100);
}
if (resizing && (placement === 'left' || placement === 'right') && !dragging) {
resizeWidth = videoListSize.width;
resizeHeight = '100%';
}
if (!resizing && (placement === 'left' || placement === 'right') && !dragging) {
resizeWidth = mWidth * (placementPercent / 100);
resizeHeight = '100%';
}
if (dragging) {
resizeHeight = optimalGrid.height;
resizeWidth = optimalGrid.width;
}
return (
<Fragment>
<div
className={dropZoneTopClassName}
style={{ height: '15vh' }}
>
<div
className={dropZoneBgTopClassName}
/>
</div>
<div
className={dropZoneLeftClassName}
style={{
width: '15vh',
height: `calc(${mediaHeight}px - (15vh * 2))`,
}}
>
<div
className={dropZoneBgLeftClassName}
/>
</div>
<Draggable
handle="video"
bounds="#container"
onStart={this.handleWebcamDragStart}
onStop={this.handleWebcamDragStop}
onMouseDown={e => e.preventDefault()}
disabled={swapLayout || isCameraFullscreen || BROWSER_ISMOBILE}
position={position}
>
<Resizable
size={
{
height: resizeHeight,
width: resizeWidth,
}
}
lockAspectRatio
handleWrapperClass="resizeWrapper"
onResizeStart={this.onResizeStart}
onResize={dispatchResizeEvent}
onResizeStop={this.onResizeStop}
enable={{
top: (placement === 'bottom') && !swapLayout,
bottom: (placement === 'top') && !swapLayout,
left: (placement === 'right') && !swapLayout,
right: (placement === 'left') && !swapLayout,
topLeft: false,
topRight: false,
bottomLeft: false,
bottomRight: false,
}}
className={
!swapLayout
? overlayClassName
: contentClassName}
style={{
marginLeft: 0,
marginRight: 0,
}}
>
{
!disableVideo
&& !audioModalIsOpen
? (
<VideoProviderContainer
swapLayout={swapLayout}
/>
)
: null
}
</Resizable>
</Draggable>
<div
className={dropZoneBottomClassName}
style={{ height: '15vh' }}
>
<div
className={dropZoneBgBottomClassName}
/>
</div>
<div
className={dropZoneRightClassName}
style={{
width: '15vh',
height: `calc(${mediaHeight}px - (15vh * 2))`,
}}
>
<div
className={dropZoneBgRightClassName}
/>
</div>
</Fragment>
);
}
}
WebcamDraggable.propTypes = propTypes;
WebcamDraggable.defaultProps = defaultProps;
export default withDraggableConsumer(WebcamDraggable);