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import React = require("react");
import { FieldViewProps, FieldView } from './FieldView';
import { observer } from "mobx-react";
import "./AudioBox.scss";
import { Cast, DateCast } from "../../../new_fields/Types";
import { AudioField, nullAudio } from "../../../new_fields/URLField";
import { DocExtendableComponent } from "../DocComponent";
import { makeInterface, createSchema } from "../../../new_fields/Schema";
import { documentSchema } from "../../../new_fields/documentSchemas";
import { Utils } from "../../../Utils";
import { RouteStore } from "../../../server/RouteStore";
import { runInAction, observable, reaction, IReactionDisposer, computed, action } from "mobx";
import { DateField } from "../../../new_fields/DateField";
import { SelectionManager } from "../../util/SelectionManager";
import { Doc, DocListCast } from "../../../new_fields/Doc";
import { ContextMenuProps } from "../ContextMenuItem";
import { ContextMenu } from "../ContextMenu";
import { Id } from "../../../new_fields/FieldSymbols";
interface Window {
MediaRecorder: MediaRecorder;
}
declare class MediaRecorder {
// whatever MediaRecorder has
constructor(e: any);
}
export const audioSchema = createSchema({
playOnSelect: "boolean"
});
type AudioDocument = makeInterface<[typeof documentSchema, typeof audioSchema]>;
const AudioDocument = makeInterface(documentSchema, audioSchema);
@observer
export class AudioBox extends DocExtendableComponent<FieldViewProps, AudioDocument>(AudioDocument) {
public static LayoutString(fieldKey: string) { return FieldView.LayoutString(AudioBox, fieldKey); }
_linkPlayDisposer: IReactionDisposer | undefined;
_reactionDisposer: IReactionDisposer | undefined;
_scrubbingDisposer: IReactionDisposer | undefined;
_ele: HTMLAudioElement | null = null;
_recorder: any;
_lastUpdate = 0;
@observable private _audioState = 0;
@observable public static ScrubTime = 0;
public static ActiveRecordings: Doc[] = [];
componentDidMount() {
runInAction(() => this._audioState = this.path ? 2 : 0);
this._linkPlayDisposer = reaction(() => this.layoutDoc.scrollToLinkID,
scrollLinkId => {
scrollLinkId && DocListCast(this.dataDoc.links).map(l => {
const la1 = l.anchor1 as Doc;
const la2 = l.anchor2 as Doc;
if (l[Id] === scrollLinkId && la1 && la2) {
let doc = Doc.AreProtosEqual(la1, this.dataDoc) ? la2 : la1;
let seek = DateCast(la1.creationTime);
setTimeout(() => this.playFrom(seek.date.getTime()), 250);
}
});
scrollLinkId && (this.layoutDoc.scrollLinkID = undefined);
}, { fireImmediately: true });
this._reactionDisposer = reaction(() => SelectionManager.SelectedDocuments(),
selected => {
let sel = selected.length ? selected[0].props.Document : undefined;
this.Document.playOnSelect && sel && !Doc.AreProtosEqual(sel, this.props.Document) && this.playFrom(DateCast(sel.creationTime).date.getTime());
});
this._scrubbingDisposer = reaction(() => AudioBox.ScrubTime, time => this.Document.playOnSelect && this.playFrom(time));
}
updateHighlights = () => {
const extensionDoc = this.extensionDoc;
const htmlEle = this._ele;
const start = extensionDoc && DateCast(extensionDoc.recordingStart);
if (htmlEle && !htmlEle.paused && start) {
setTimeout(this.updateHighlights, 30);
DocListCast(this.dataDoc.links).map(l => {
let la1 = l.anchor1 as Doc;
if (Doc.AreProtosEqual(la1, this.dataDoc)) {
la1 = l.anchor2 as Doc;
}
let date = DateCast(la1.creationDate);
let offset = (date!.date.getTime() - start.date.getTime()) / 1000;
if (offset > this._lastUpdate && offset < htmlEle.currentTime) {
Doc.linkFollowHighlight(la1);
}
});
this._lastUpdate = htmlEle.currentTime;
}
}
playFrom = (seek: number) => {
const extensionDoc = this.extensionDoc;
let start = extensionDoc && DateCast(extensionDoc.recordingStart);
if (this._ele && start) {
if (seek) {
let delta = (seek - start.date.getTime()) / 1000;
if (start && delta > 0 && delta < this._ele.duration) {
this._ele.currentTime = delta;
this._ele.play();
this._lastUpdate = delta;
setTimeout(this.updateHighlights, 0);
} else {
this._ele.pause();
}
} else {
this._ele.pause();
}
}
}
componentWillUnmount() {
this._reactionDisposer && this._reactionDisposer();
this._linkPlayDisposer && this._linkPlayDisposer();
this._scrubbingDisposer && this._scrubbingDisposer();
}
recordAudioAnnotation = () => {
let gumStream: any;
let self = this;
const extensionDoc = this.extensionDoc;
extensionDoc && navigator.mediaDevices.getUserMedia({
audio: true
}).then(function (stream) {
gumStream = stream;
self._recorder = new MediaRecorder(stream);
extensionDoc.recordingStart = new DateField(new Date());
AudioBox.ActiveRecordings.push(self.props.Document);
self._recorder.ondataavailable = async function (e: any) {
const formData = new FormData();
formData.append("file", e.data);
const res = await fetch(Utils.prepend(RouteStore.upload), {
method: 'POST',
body: formData
});
const files = await res.json();
const url = Utils.prepend(files[0].path);
// upload to server with known URL
self.props.Document[self.props.fieldKey] = new AudioField(url);
};
runInAction(() => self._audioState = 1);
self._recorder.start();
setTimeout(() => {
self.stopRecording();
gumStream.getAudioTracks()[0].stop();
}, 60 * 60 * 1000); // stop after an hour?
});
}
specificContextMenu = (e: React.MouseEvent): void => {
let funcs: ContextMenuProps[] = [];
funcs.push({ description: (this.Document.playOnSelect ? "Don't play" : "Play") + " when document selected", event: () => this.Document.playOnSelect = !this.Document.playOnSelect, icon: "expand-arrows-alt" });
ContextMenu.Instance.addItem({ description: "Audio Funcs...", subitems: funcs, icon: "asterisk" });
}
stopRecording = action(() => {
this._recorder.stop();
this._audioState = 2;
let ind = AudioBox.ActiveRecordings.indexOf(this.props.Document);
ind !== -1 && (AudioBox.ActiveRecordings.splice(ind, 1));
});
recordClick = (e: React.MouseEvent) => {
if (e.button === 0 && !e.ctrlKey) {
this._recorder ? this.stopRecording() : this.recordAudioAnnotation();
e.stopPropagation();
}
}
playClick = (e: any) => setTimeout(this.updateHighlights, 30);
setRef = (e: HTMLAudioElement | null) => {
e && e.addEventListener("play", this.playClick as any);
this._ele = e;
}
@computed get path() {
let field = Cast(this.props.Document[this.props.fieldKey], AudioField);
let path = (field instanceof AudioField) ? field.url.href : "";
return path === nullAudio ? "" : path;
}
@computed get audio() {
let interactive = this.active() ? "-interactive" : "";
return <audio controls ref={this.setRef} className={`audiobox-control${interactive}`}>
<source src={this.path} type="audio/mpeg" />
Not supported.
</audio>;
}
render() {
let interactive = this.active() ? "-interactive" : "";
return (!this.extensionDoc ? (null) :
<div className={`audiobox-container`} onContextMenu={this.specificContextMenu} onClick={!this.path ? this.recordClick : undefined}>
<div className="audiobox-handle"></div>
{!this.path ?
<button className={`audiobox-record${interactive}`} style={{ backgroundColor: ["black", "red", "blue"][this._audioState] }}>
{this._audioState === 1 ? "STOP" : "RECORD"}
</button> :
this.audio
}
</div>
);
}
}
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