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import React = require("react");
import { observer } from "mobx-react";
import { FieldWaiting, Opt } from '../../../fields/Field';
import { VideoField } from '../../../fields/VideoField';
import { FieldView, FieldViewProps } from './FieldView';
import "./VideoBox.scss";
import Measure from "react-measure";
import { action, trace, observable, IReactionDisposer, computed, reaction } from "mobx";
import { KeyStore } from "../../../fields/KeyStore";
import { number } from "prop-types";
@observer
export class VideoBox extends React.Component<FieldViewProps> {
private _reactionDisposer: Opt<IReactionDisposer>;
private _videoRef = React.createRef<HTMLVideoElement>();
public static LayoutString() { return FieldView.LayoutString(VideoBox); }
constructor(props: FieldViewProps) {
super(props);
}
@computed private get curPage() { return this.props.Document.GetNumber(KeyStore.CurPage, -1); }
_loaded: boolean = false;
@action
setScaling = (r: any) => {
if (this._loaded) {
// bcz: the nativeHeight should really be set when the document is imported.
// also, the native dimensions could be different for different pages of the PDF
// so this design is flawed.
var nativeWidth = this.props.Document.GetNumber(KeyStore.NativeWidth, 0);
var nativeHeight = this.props.Document.GetNumber(KeyStore.NativeHeight, 0);
var newNativeHeight = nativeWidth * r.entry.height / r.entry.width;
if (!nativeHeight && newNativeHeight !== nativeHeight && !isNaN(newNativeHeight)) {
this.props.Document.SetNumber(KeyStore.Height, newNativeHeight / nativeWidth * this.props.Document.GetNumber(KeyStore.Width, 0));
this.props.Document.SetNumber(KeyStore.NativeHeight, newNativeHeight);
}
} else {
this._loaded = true;
}
}
get player(): HTMLVideoElement | undefined {
return this._videoRef.current ? this._videoRef.current.getElementsByTagName("video")[0] : undefined;
}
@action
setVideoRef = (vref: HTMLVideoElement | null) => {
if (this.curPage >= 0 && vref) {
vref.currentTime = this.curPage;
(vref as any).AHackBecauseSomethingResetsTheVideoToZero = this.curPage;
}
}
render() {
let field = this.props.Document.GetT(this.props.fieldKey, VideoField);
if (!field || field === FieldWaiting) {
return <div>Loading</div>;
}
let path = field.Data.href;
trace();
return (
<Measure onResize={this.setScaling}>
{({ measureRef }) =>
<div style={{ width: "100%", height: "auto" }} ref={measureRef}>
<video className="videobox-cont" ref={this.setVideoRef}>
<source src={path} type="video/mp4" />
Not supported.
</video>
</div>
}
</Measure>
);
}
}
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