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import { action, observable, trace } from "mobx";
import * as htmlToImage from "html-to-image";
import { observer } from "mobx-react";
import { ContextMenu } from "../ContextMenu";
import { CollectionViewType, CollectionBaseView, CollectionRenderProps } from "./CollectionBaseView";
import React = require("react");
import "./CollectionVideoView.scss";
import { CollectionFreeFormView } from "./collectionFreeForm/CollectionFreeFormView";
import { FieldView, FieldViewProps } from "../nodes/FieldView";
import { emptyFunction, Utils } from "../../../Utils";
import { Id } from "../../../new_fields/FieldSymbols";
import { VideoBox } from "../nodes/VideoBox";
import { NumCast, Cast, StrCast } from "../../../new_fields/Types";
import { VideoField } from "../../../new_fields/URLField";
import { SearchBox } from "../search/SearchBox";
import { DocServer } from "../../DocServer";
import { Docs, DocUtils } from "../../documents/Documents";
@observer
export class CollectionVideoView extends React.Component<FieldViewProps> {
private _videoBox?: VideoBox;
public static LayoutString(fieldKey: string = "data", fieldExt: string = "annotations") {
return FieldView.LayoutString(CollectionVideoView, fieldKey, fieldExt);
}
private get uIButtons() {
let scaling = Math.min(1.8, this.props.ScreenToLocalTransform().Scale);
let curTime = NumCast(this.props.Document.curPage);
return (VideoBox._showControls ? [] : [
<div className="collectionVideoView-time" key="time" onPointerDown={this.onResetDown} style={{ transform: `scale(${scaling}, ${scaling})` }}>
<span>{"" + Math.round(curTime)}</span>
<span style={{ fontSize: 8 }}>{" " + Math.round((curTime - Math.trunc(curTime)) * 100)}</span>
</div>,
<div className="collectionVideoView-play" key="play" onPointerDown={this.onPlayDown} style={{ transform: `scale(${scaling}, ${scaling})` }}>
{this._videoBox && this._videoBox.Playing ? "\"" : ">"}
</div>,
<div className="collectionVideoView-full" key="full" onPointerDown={this.onFullDown} style={{ transform: `scale(${scaling}, ${scaling})` }}>
F
</div>
]);
}
@action
onPlayDown = () => {
if (this._videoBox) {
if (this._videoBox.Playing) {
this._videoBox.Pause();
} else {
this._videoBox.Play();
}
}
}
@action
onFullDown = (e: React.PointerEvent) => {
if (this._videoBox) {
this._videoBox.FullScreen();
e.stopPropagation();
e.preventDefault();
}
}
@action
onResetDown = () => {
if (this._videoBox) {
this._videoBox.Pause();
this.props.Document.curPage = 0;
}
}
onContextMenu = (e: React.MouseEvent): void => {
if (!e.isPropagationStopped() && this.props.Document[Id] !== "mainDoc") { // need to test this because GoldenLayout causes a parallel hierarchy in the React DOM for its children and the main document view7
}
let field = Cast(this.props.Document[this.props.fieldKey], VideoField);
if (field) {
let url = field.url.href;
ContextMenu.Instance.addItem({
description: "Copy path", event: () => { Utils.CopyText(url); }, icon: "expand-arrows-alt"
});
}
let width = NumCast(this.props.Document.width);
let height = NumCast(this.props.Document.height);
ContextMenu.Instance.addItem({
description: "Take Snapshot", event: async () => {
var canvas = document.createElement('canvas');
canvas.width = 640;
canvas.height = 640 * NumCast(this.props.Document.nativeHeight) / NumCast(this.props.Document.nativeWidth);
var ctx = canvas.getContext('2d');//draw image to canvas. scale to target dimensions
ctx && ctx.drawImage(this._videoBox!.player!, 0, 0, canvas.width, canvas.height);
//convert to desired file format
var dataUrl = canvas.toDataURL('image/png'); // can also use 'image/png'
// if you want to preview the captured image,
let filename = encodeURIComponent("snapshot" + this.props.Document.title + "_" + this.props.Document.curPage).replace(/\./g, "");
SearchBox.convertDataUri(dataUrl, filename).then((returnedFilename) => {
if (returnedFilename) {
let url = DocServer.prepend(returnedFilename);
let imageSummary = Docs.Create.ImageDocument(url, {
x: NumCast(this.props.Document.x) + width, y: NumCast(this.props.Document.y),
width: 150, height: height / width * 150, title: "--snapshot" + NumCast(this.props.Document.curPage) + " image-"
});
this.props.addDocument && this.props.addDocument(imageSummary, false);
DocUtils.MakeLink(imageSummary, this.props.Document);
}
});
},
icon: "expand-arrows-alt"
});
}
setVideoBox = (videoBox: VideoBox) => { this._videoBox = videoBox; };
private subView = (_type: CollectionViewType, renderProps: CollectionRenderProps) => {
let props = { ...this.props, ...renderProps };
return (<>
<CollectionFreeFormView {...props} setVideoBox={this.setVideoBox} CollectionView={this} />
{this.props.isSelected() ? this.uIButtons : (null)}
</>);
}
render() {
return (
<CollectionBaseView {...this.props} className="collectionVideoView-cont" onContextMenu={this.onContextMenu}>
{this.subView}
</CollectionBaseView>);
}
}
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