bigbluebutton-Github/bigbluebutton-html5/imports/ui/components/media/webcam-draggable-overlay/component.jsx
2020-07-20 16:24:32 -03:00

535 lines
15 KiB
JavaScript

import React, { PureComponent, Fragment } from 'react';
import Draggable from 'react-draggable';
import cx from 'classnames';
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';
import { withLayoutConsumer } from '/imports/ui/components/layout/context';
import { WEBCAMSAREA_MIN_PERCENT, PRESENTATIONAREA_MIN_WIDTH } from '/imports/ui/components/layout/layout-manager';
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) }),
layoutContextState: PropTypes.objectOf(Object).isRequired,
layoutContextDispatch: PropTypes.func.isRequired,
};
const defaultProps = {
swapLayout: false,
hideOverlay: false,
disableVideo: false,
audioModalIsOpen: false,
refMediaContainer: null,
};
class WebcamDraggable extends PureComponent {
constructor(props) {
super(props);
const { layoutContextState } = props;
const { webcamsPlacement, mediaBounds } = layoutContextState;
this.state = {
webcamsAreaResizable: {
width: webcamsPlacement === 'top' || webcamsPlacement === 'bottom' ? mediaBounds.width : mediaBounds.width * WEBCAMSAREA_MIN_PERCENT,
height: webcamsPlacement === 'left' || webcamsPlacement === 'right' ? mediaBounds.height : mediaBounds.height * WEBCAMSAREA_MIN_PERCENT,
},
resizing: false,
hideWebcams: false,
};
this.handleWebcamDragStart = this.handleWebcamDragStart.bind(this);
this.handleWebcamDragStop = this.handleWebcamDragStop.bind(this);
this.onFullscreenChange = this.onFullscreenChange.bind(this);
this.onResizeStop = this.onResizeStop.bind(this);
this.onResizeStart = this.onResizeStart.bind(this);
this.handleLayoutSizesSets = this.handleLayoutSizesSets.bind(this);
}
componentDidMount() {
document.addEventListener('fullscreenchange', this.onFullscreenChange);
window.addEventListener('layoutSizesSets', this.handleLayoutSizesSets);
}
componentWillUnmount() {
document.removeEventListener('fullscreenchange', this.onFullscreenChange);
window.removeEventListener('layoutSizesSets', this.handleLayoutSizesSets);
}
onFullscreenChange() {
this.forceUpdate();
}
onResizeStart() {
const { layoutContextDispatch } = this.props;
this.setState({ resizing: true });
layoutContextDispatch(
{
type: 'setWebcamsAreaResizing',
value: true,
},
);
}
onResizeHandle(resizableWidth, resizableHeight) {
const { webcamsAreaResizable } = this.state;
const { layoutContextState, layoutContextDispatch } = this.props;
const { webcamsPlacement, webcamsAreaSize } = layoutContextState;
layoutContextDispatch(
{
type: 'setAutoArrangeLayout',
value: false,
},
);
const newWebcamsAreaResizable = {
width: Math.trunc(webcamsAreaResizable.width) + resizableWidth,
height: Math.trunc(webcamsAreaResizable.height) + resizableHeight,
};
const newWidth = webcamsPlacement === 'top' || webcamsPlacement === 'bottom' ? webcamsAreaSize.width : newWebcamsAreaResizable.width;
const newHeight = webcamsPlacement === 'left' || webcamsPlacement === 'right' ? webcamsAreaSize.height : newWebcamsAreaResizable.height;
layoutContextDispatch(
{
type: 'setTempWebcamsAreaSize',
value: {
width: newWidth,
height: newHeight,
},
},
);
window.dispatchEvent(new Event('webcamAreaResize'));
}
onResizeStop(resizableWidth, resizableHeight) {
const { webcamsAreaResizable } = this.state;
const { layoutContextState, layoutContextDispatch } = this.props;
const { webcamsPlacement, webcamsAreaSize } = layoutContextState;
layoutContextDispatch(
{
type: 'setWebcamsAreaResizing',
value: false,
},
);
const newWebcamsAreaResizable = {
width: Math.trunc(webcamsAreaResizable.width) + resizableWidth,
height: Math.trunc(webcamsAreaResizable.height) + resizableHeight,
};
if (webcamsPlacement === 'top' || webcamsPlacement === 'bottom') {
layoutContextDispatch(
{
type: 'setWebcamsAreaUserSetsHeight',
value: newWebcamsAreaResizable.height,
},
);
}
if (webcamsPlacement === 'right' || webcamsPlacement === 'left') {
layoutContextDispatch(
{
type: 'setWebcamsAreaUserSetsWidth',
value: newWebcamsAreaResizable.width,
},
);
}
const newWidth = webcamsPlacement === 'top' || webcamsPlacement === 'bottom'
? webcamsAreaSize.width
: newWebcamsAreaResizable.width;
const newHeight = webcamsPlacement === 'left' || webcamsPlacement === 'right'
? webcamsAreaSize.height
: newWebcamsAreaResizable.height;
layoutContextDispatch(
{
type: 'setWebcamsAreaSize',
value: {
width: newWidth,
height: newHeight,
},
},
);
this.setWebcamsAreaResizable(newWidth, newHeight);
setTimeout(() => this.setState({ resizing: false }), 500);
window.dispatchEvent(new Event('webcamAreaResize'));
}
setWebcamsAreaResizable(width, height) {
this.setState({
webcamsAreaResizable: { width, height },
});
}
setHideWebcams(hideWebcams) { this.setState({ hideWebcams }); }
getWebcamsListBounds() {
const { webcamDraggableState } = this.props;
const { videoListRef } = webcamDraggableState;
if (videoListRef) {
const videoListRefRect = videoListRef.getBoundingClientRect();
const {
top, left, width, height,
} = videoListRefRect;
return {
top,
left,
width,
height,
};
}
return false;
}
calculatePosition() {
const { layoutContextState } = this.props;
const { mediaBounds } = layoutContextState;
const { top: mediaTop, left: mediaLeft } = mediaBounds;
const { top: webcamsListTop, left: webcamsListLeft } = this.getWebcamsListBounds();
const x = webcamsListLeft - mediaLeft;
const y = webcamsListTop - mediaTop;
return {
x,
y,
};
}
handleLayoutSizesSets() {
const { layoutContextState } = this.props;
const { webcamsAreaSize } = layoutContextState;
this.setWebcamsAreaResizable(webcamsAreaSize.width, webcamsAreaSize.height);
this.setHideWebcams(false);
}
handleWebcamDragStart() {
const { webcamDraggableDispatch } = this.props;
const { x, y } = this.calculatePosition();
webcamDraggableDispatch({ type: 'dragStart' });
webcamDraggableDispatch(
{
type: 'setTempPosition',
value: {
x,
y,
},
},
);
}
handleWebcamDragStop(e) {
const { webcamDraggableDispatch, layoutContextDispatch } = this.props;
const targetClassname = JSON.stringify(e.target.className);
this.setHideWebcams(true);
layoutContextDispatch(
{
type: 'setAutoArrangeLayout',
value: false,
},
);
if (targetClassname) {
if (targetClassname.includes('Top')) {
layoutContextDispatch({
type: 'setWebcamsPlacement',
value: 'top',
});
} else if (targetClassname.includes('Right')) {
layoutContextDispatch({
type: 'setWebcamsPlacement',
value: 'right',
});
} else if (targetClassname.includes('Bottom')) {
layoutContextDispatch({
type: 'setWebcamsPlacement',
value: 'bottom',
});
} else if (targetClassname.includes('Left')) {
layoutContextDispatch({
type: 'setWebcamsPlacement',
value: 'left',
});
}
}
webcamDraggableDispatch({ type: 'dragEnd' });
window.dispatchEvent(new Event('webcamPlacementChange'));
}
render() {
const {
layoutContextState,
webcamDraggableState,
swapLayout,
hideOverlay,
disableVideo,
audioModalIsOpen,
} = this.props;
const { resizing, webcamsAreaResizable, hideWebcams } = this.state;
const {
mediaBounds,
webcamsAreaSize,
} = layoutContextState;
const {
dragging,
isCameraFullscreen,
optimalGrid,
} = webcamDraggableState;
const webcamsPlacement = Storage.getItem('webcamsPlacement');
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,
} = mediaBounds;
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 overlayClassName = cx({
[styles.overlay]: true,
[styles.hideOverlay]: hideOverlay,
[styles.floatingOverlay]: dragging,
[styles.autoWidth]: dragging,
[styles.overlayToTop]: webcamsPlacement === 'top' && !dragging,
[styles.overlayToRight]: webcamsPlacement === 'right' && !dragging,
[styles.overlayToBottom]: webcamsPlacement === 'bottom' && !dragging,
[styles.overlayToLeft]: webcamsPlacement === 'left' && !dragging,
[styles.dragging]: dragging,
});
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,
});
let sizeHeight;
let sizeWidth;
if (dragging) {
sizeWidth = optimalGrid.width;
sizeHeight = optimalGrid.height;
} else if (resizing) {
sizeWidth = webcamsAreaResizable.width;
sizeHeight = webcamsAreaResizable.height;
} else {
sizeWidth = webcamsAreaSize.width;
sizeHeight = webcamsAreaSize.height;
}
return (
<Fragment>
<div
className={dropZoneTopClassName}
style={{ height: '15vh' }}
>
<div
className={dropZoneBgTopClassName}
/>
</div>
<div
className={dropZoneLeftClassName}
style={{
width: '15vh',
height: `calc(${mediaHeight}px - (15vh * 2))`,
}}
>
<div
className={dropZoneBgLeftClassName}
/>
</div>
<Draggable
handle="video"
bounds="#container"
onStart={this.handleWebcamDragStart}
onStop={this.handleWebcamDragStop}
onMouseDown={e => e.preventDefault()}
disabled={swapLayout || isCameraFullscreen || BROWSER_ISMOBILE || resizing}
position={position}
>
<Resizable
minWidth={mediaWidth * WEBCAMSAREA_MIN_PERCENT}
minHeight={mediaHeight * WEBCAMSAREA_MIN_PERCENT}
maxWidth={
webcamsPlacement === 'left' || webcamsPlacement === 'right'
? mediaWidth - PRESENTATIONAREA_MIN_WIDTH
: undefined
}
size={
{
width: sizeWidth,
height: sizeHeight,
}
}
// lockAspectRatio
handleWrapperClass="resizeWrapper"
onResizeStart={this.onResizeStart}
onResize={(e, direction, ref, d) => {
this.onResizeHandle(d.width, d.height);
}}
onResizeStop={(e, direction, ref, d) => {
this.onResizeStop(d.width, d.height);
}}
enable={{
top: (webcamsPlacement === 'bottom') && !swapLayout,
bottom: (webcamsPlacement === 'top') && !swapLayout,
left: (webcamsPlacement === 'right') && !swapLayout,
right: (webcamsPlacement === 'left') && !swapLayout,
topLeft: false,
topRight: false,
bottomLeft: false,
bottomRight: false,
}}
className={
!swapLayout
? overlayClassName
: contentClassName
}
style={{
marginLeft: 0,
marginRight: 0,
display: hideWebcams ? 'none' : undefined,
}}
>
{
!disableVideo
&& !audioModalIsOpen
? (
<VideoProviderContainer
swapLayout={swapLayout}
/>
)
: null
}
</Resizable>
</Draggable>
<div
className={dropZoneBottomClassName}
style={{ height: '15vh' }}
>
<div
className={dropZoneBgBottomClassName}
/>
</div>
<div
className={dropZoneRightClassName}
style={{
width: '15vh',
height: `calc(${mediaHeight}px - (15vh * 2))`,
}}
>
<div
className={dropZoneBgRightClassName}
/>
</div>
</Fragment>
);
}
}
WebcamDraggable.propTypes = propTypes;
WebcamDraggable.defaultProps = defaultProps;
export default withDraggableConsumer(withLayoutConsumer(WebcamDraggable));