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import React = require("react");
import { action, IReactionDisposer, observable, reaction, trace, computed, runInAction, untracked } from "mobx";
import { observer } from "mobx-react";
import { makeInterface } from "../../../new_fields/Schema";
import { Cast, FieldValue, NumCast } from "../../../new_fields/Types";
import { VideoField } from "../../../new_fields/URLField";
import { ContextMenu } from "../ContextMenu";
import { ContextMenuProps } from "../ContextMenuItem";
import { DocComponent } from "../DocComponent";
import { InkingControl } from "../InkingControl";
import { positionSchema } from "./DocumentView";
import { FieldView, FieldViewProps } from './FieldView';
import { pageSchema } from "./ImageBox";
import "./VideoBox.scss";
import { InkTool } from "../../../new_fields/InkField";
import { DocumentDecorations } from "../DocumentDecorations";
type VideoDocument = makeInterface<[typeof positionSchema, typeof pageSchema]>;
const VideoDocument = makeInterface(positionSchema, pageSchema);
@observer
export class VideoBox extends DocComponent<FieldViewProps, VideoDocument>(VideoDocument) {
private _reactionDisposer?: IReactionDisposer;
private _youtubeReactionDisposer?: IReactionDisposer;
private _youtubePlayer: any = undefined;
private _videoRef: HTMLVideoElement | null = null;
private _youtubeIframeId: number = -1;
private _youtubeContentCreated = false;
static _youtubeIframeCounter: number = 0;
@observable _forceCreateYouTubeIFrame = false;
@observable static _showControls: boolean;
@observable _playTimer?: NodeJS.Timeout = undefined;
@observable _fullScreen = false;
@observable public Playing: boolean = false;
public static LayoutString() { return FieldView.LayoutString(VideoBox); }
public get player(): HTMLVideoElement | null {
return this._videoRef;
}
videoLoad = () => {
let aspect = this.player!.videoWidth / this.player!.videoHeight;
var nativeWidth = FieldValue(this.Document.nativeWidth, 0);
var nativeHeight = FieldValue(this.Document.nativeHeight, 0);
if (!nativeWidth || !nativeHeight) {
if (!this.Document.nativeWidth) this.Document.nativeWidth = this.player!.videoWidth;
this.Document.nativeHeight = this.Document.nativeWidth / aspect;
this.Document.height = FieldValue(this.Document.width, 0) / aspect;
}
}
@action public Play = (update: boolean = true) => {
this.Playing = true;
update && this.player && this.player.play();
console.log("PLAYING = " + update);
update && this._youtubePlayer && this._youtubePlayer.playVideo();
!this._playTimer && (this._playTimer = setInterval(this.updateTimecode, 500));
this.updateTimecode();
}
@action public Seek(time: number) {
console.log("Seeking " + time);
//if (this._youtubePlayer && this._youtubePlayer.getPlayerState() === 5) return;
this._youtubePlayer && this._youtubePlayer.seekTo(Math.round(time), true);
}
@action public Pause = (update: boolean = true) => {
this.Playing = false;
console.log("PAUSING = " + update);
update && this.player && this.player.pause();
update && this._youtubePlayer && this._youtubePlayer.pauseVideo();
this._playTimer && clearInterval(this._playTimer);
this._playTimer = undefined;
this.updateTimecode();
}
@action public FullScreen() {
this._fullScreen = true;
this.player && this.player.requestFullscreen();
this._youtubePlayer && this.props.addDocTab(this.props.Document, this.props.DataDoc, "inTab");
}
@action
updateTimecode = () => {
this.player && (this.props.Document.curPage = this.player.currentTime);
this._youtubePlayer && (this.props.Document.curPage = this._youtubePlayer.getCurrentTime());
}
componentDidMount() {
if (this.props.setVideoBox) this.props.setVideoBox(this);
if (this.youtubeVideoId) {
let youtubeaspect = 400 / 315;
var nativeWidth = FieldValue(this.Document.nativeWidth, 0);
var nativeHeight = FieldValue(this.Document.nativeHeight, 0);
if (!nativeWidth || !nativeHeight || Math.abs(nativeWidth / nativeHeight - youtubeaspect) > 0.05) {
if (!this.Document.nativeWidth) this.Document.nativeWidth = 600;
this.Document.nativeHeight = this.Document.nativeWidth / youtubeaspect;
this.Document.height = FieldValue(this.Document.width, 0) / youtubeaspect;
}
}
}
componentWillUnmount() {
this.Pause();
this._reactionDisposer && this._reactionDisposer();
this._youtubeReactionDisposer && this._youtubeReactionDisposer();
}
@action
setVideoRef = (vref: HTMLVideoElement | null) => {
this._videoRef = vref;
if (vref) {
vref.onfullscreenchange = action((e) => this._fullScreen = vref.webkitDisplayingFullscreen);
if (this._reactionDisposer) this._reactionDisposer();
this._reactionDisposer = reaction(() => this.props.Document.curPage, () =>
!this.Playing && (vref.currentTime = this.Document.curPage || 0)
, { fireImmediately: true });
}
}
specificContextMenu = (e: React.MouseEvent): void => {
let field = Cast(this.Document[this.props.fieldKey], VideoField);
if (field) {
let subitems: ContextMenuProps[] = [];
subitems.push({ description: "Toggle Show Controls", event: action(() => VideoBox._showControls = !VideoBox._showControls), icon: "expand-arrows-alt" });
subitems.push({ description: "GOTO 3", event: action(() => this.Seek(3)), icon: "expand-arrows-alt" });
subitems.push({ description: "PLAY", event: action(() => this.Play()), icon: "expand-arrows-alt" });
ContextMenu.Instance.addItem({ description: "Video Funcs...", subitems: subitems });
}
}
@computed get content() {
let field = Cast(this.Document[this.props.fieldKey], VideoField);
let interactive = InkingControl.Instance.selectedTool || !this.props.isSelected() ? "" : "-interactive";
let style = "videoBox-content" + (this._fullScreen ? "-fullScreen" : "") + interactive;
return !field ? <div>Loading</div> :
<video className={`${style}`} ref={this.setVideoRef} onCanPlay={this.videoLoad} controls={VideoBox._showControls}
onPlay={() => this.Play()} onSeeked={this.updateTimecode} onPause={() => this.Pause()}>
<source src={field.url.href} type="video/mp4" />
Not supported.
</video>;
}
@computed get youtubeVideoId() {
let field = Cast(this.Document[this.props.fieldKey], VideoField);
return field && field.url.href.indexOf("youtube") !== -1 ? ((arr: string[]) => arr[arr.length - 1])(field.url.href.split("/")) : "";
}
@action youtubeIframeLoaded = (e: any) => {
if (!this._youtubeContentCreated) {
this._forceCreateYouTubeIFrame = !this._forceCreateYouTubeIFrame;
return;
}
else this._youtubeContentCreated = false;
let iframe = e.target;
let onYoutubePlayerStateChange = (event: any) => runInAction(() => {
console.log("Event " + event.data);
if (event.data == YT.PlayerState.PLAYING && !this.Playing) this.Play(false);
if (event.data == YT.PlayerState.PAUSED && this.Playing) this.Pause(false);
});
let onYoutubePlayerReady = (event: any) => {
console.log("READY!");
this._reactionDisposer && this._reactionDisposer();
this._youtubeReactionDisposer && this._youtubeReactionDisposer();
this._reactionDisposer = reaction(() => this.props.Document.curPage, () => !this.Playing && this.Seek(this.Document.curPage || 0));
this._youtubeReactionDisposer = reaction(() => [this.props.isSelected(), DocumentDecorations.Instance.Interacting, InkingControl.Instance.selectedTool], () => {
let interactive = InkingControl.Instance.selectedTool === InkTool.None && this.props.isSelected() && !DocumentDecorations.Instance.Interacting;
iframe.style.pointerEvents = interactive ? "all" : "none";
}, { fireImmediately: true });
}
this._youtubePlayer = new YT.Player(`${this.youtubeVideoId + this._youtubeIframeId}-player`, {
events: {
'onReady': onYoutubePlayerReady,
'onStateChange': onYoutubePlayerStateChange,
}
});
}
@computed get youtubeContent() {
this._youtubeIframeId = VideoBox._youtubeIframeCounter++;
this._youtubeContentCreated = this._forceCreateYouTubeIFrame ? true : true;
let style = "videoBox-content-YouTube" + (this._fullScreen ? "-fullScreen" : "");
let start = untracked(() => Math.round(NumCast(this.props.Document.curPage)));
return <iframe key={this._youtubeIframeId} id={`${this.youtubeVideoId + this._youtubeIframeId}-player`}
onLoad={this.youtubeIframeLoaded} className={`${style}`} width="640" height="390"
src={`https://www.youtube.com/embed/${this.youtubeVideoId}?enablejsapi=1&rel=0&showinfo=1&autoplay=1&start=${start}&modestbranding=1&controls=${VideoBox._showControls ? 1 : 0}`}
></iframe>;
}
render() {
return <div style={{ pointerEvents: "all", width: "100%", height: "100%" }} onContextMenu={this.specificContextMenu}>
{this.youtubeVideoId ? this.youtubeContent : this.content}
</div>;
}
}
VideoBox._showControls = true;
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