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import React = require("react");
import { observer } from "mobx-react";
import { FieldView, FieldViewProps } from './FieldView';
import "./VideoBox.scss";
import { action, computed } from "mobx";
import { DocComponent } from "../DocComponent";
import { positionSchema } from "./DocumentView";
import { makeInterface } from "../../../new_fields/Schema";
import { pageSchema } from "./ImageBox";
import { Cast, FieldValue, NumCast } from "../../../new_fields/Types";
import { VideoField } from "../../../new_fields/URLField";
import Measure from "react-measure";
import "./VideoBox.scss";
type VideoDocument = makeInterface<[typeof positionSchema, typeof pageSchema]>;
const VideoDocument = makeInterface(positionSchema, pageSchema);
@observer
export class VideoBox extends DocComponent<FieldViewProps, VideoDocument>(VideoDocument) {
private _videoRef = React.createRef<HTMLVideoElement>();
public static LayoutString() { return FieldView.LayoutString(VideoBox); }
constructor(props: FieldViewProps) {
super(props);
}
@computed private get curPage() { return FieldValue(this.Document.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 = FieldValue(this.Document.nativeWidth, 0);
var nativeHeight = FieldValue(this.Document.nativeHeight, 0);
var newNativeHeight = nativeWidth * r.entry.height / r.entry.width;
if (!nativeHeight && newNativeHeight !== nativeHeight && !isNaN(newNativeHeight)) {
this.Document.height = newNativeHeight / nativeWidth * FieldValue(this.Document.width, 0);
this.Document.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;
}
}
videoContent(path: string) {
return <video className="videobox-cont" ref={this.setVideoRef}>
<source src={path} type="video/mp4" />
Not supported.
</video>;
}
render() {
let field = FieldValue(Cast(this.Document[this.props.fieldKey], VideoField));
if (!field) {
return <div>Loading</div>;
}
let content = this.videoContent(field.url.href);
return NumCast(this.props.Document.nativeHeight) ?
content :
<Measure onResize={this.setScaling}>
{({ measureRef }) =>
<div style={{ width: "100%", height: "auto" }} ref={measureRef}>
{content}
</div>
}
</Measure>;
}
}
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