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https://github.com/hensm/fx_cast.git
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Convert shim to Typescript (#32)
This commit is contained in:
Matt Hensman
311
ext/src/shim/media/classes/Media.ts
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311
ext/src/shim/media/classes/Media.ts
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"use strict";
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import uuid from "uuid/v1";
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import EditTracksInfoRequest from "./EditTracksInfoRequest";
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import GetStatusRequest from "./GetStatusRequest";
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import PauseRequest from "./PauseRequest";
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import PlayRequest from "./PlayRequest";
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import QueueInsertItemsRequest from "./QueueInsertItemsRequest";
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import QueueReorderItemsRequest from "./QueueReorderItemsRequest";
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import QueueUpdateItemsRequest from "./QueueUpdateItemsRequest";
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import SeekRequest from "./SeekRequest";
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import VolumeRequest from "./VolumeRequest";
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import StopRequest from "./StopRequest";
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import MediaInfo from "./MediaInfo";
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import QueueItem from "./QueueItem";
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import Volume from "../../cast/classes/Volume";
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import { PlayerState
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, RepeatMode
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, MediaCommand } from "../enums";
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import _Error from "../../cast/classes/Error";
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import { ErrorCode } from "../../cast/enums";
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import { onMessage, sendMessageResponse } from "../../messageBridge";
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import { SuccessCallback
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, ErrorCallback
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, UpdateListener
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, Callbacks
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, CallbacksMap } from "../../types";
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export default class Media {
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private _id: string = uuid();
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private _updateListeners = new Set<UpdateListener>();
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private _sendMediaMessageCallbacks: CallbacksMap = new Map();
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private _lastCurrentTime: number;
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public activeTrackIds: number[] = null;
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public currentItemId: number = null;
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public customData: any = null;
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public currentTime: number = 0;
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public idleReason: string = null;
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public items: QueueItem[] = null;
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public loadingItemId: number = null;
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public media: MediaInfo = null;
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public playbackRate: number = 1;
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public playerState: string = PlayerState.IDLE;
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public preloadedItemId: number = null;
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public repeatMode: string = RepeatMode.OFF;
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public supportedMediaCommands: string[] = [];
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public volume: Volume = new Volume();
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constructor (
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public sessionId: string
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, public mediaSessionId: number
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, _internalSessionId: string) {
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this._sendMessage("bridge:/media/initialize", {
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sessionId
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, mediaSessionId
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, _internalSessionId
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});
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onMessage(message => {
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if (!message._id || message._id !== this._id) {
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return;
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}
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switch (message.subject) {
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case "shim:/media/update": {
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const status = message.data;
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this.currentTime = status.currentTime;
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this._lastCurrentTime = status._lastCurrentTime;
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this.customData = status.customData;
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this.volume = new Volume(
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status._volumeLevel
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, status._volumeMuted);
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this.playbackRate = status.playbackRate;
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this.playerState = status.playerState;
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this.repeatMode = status.repeatMode;
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if (status.media) {
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this.media = status.media;
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}
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if (status.mediaSessionId) {
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this.mediaSessionId = status.mediaSessionId;
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}
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// Call update listeners
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for (const listener of this._updateListeners) {
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listener(true);
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}
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break;
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}
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case "shim:/media/sendMediaMessageResponse": {
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const { messageId, error } = message.data;
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const [ successCallback, errorCallback ]
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= this._sendMediaMessageCallbacks.get(messageId);
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if (error && errorCallback) {
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errorCallback(new _Error(ErrorCode.SESSION_ERROR));
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} else if (successCallback) {
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successCallback();
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}
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break;
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}
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}
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});
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}
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public addUpdateListener (listener: UpdateListener): void {
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this._updateListeners.add(listener);
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}
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public editTracksInfo (
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editTracksInfoRequest: EditTracksInfoRequest
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, successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback): void {
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console.log("STUB :: Media#editTracksInfo");
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}
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public getEstimatedTime (): number {
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if (!this.currentTime) {
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return 0;
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}
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return this.currentTime
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+ ((Date.now() / 1000) - this._lastCurrentTime);
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}
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public getStatus (
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getStatusRequest?: GetStatusRequest
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, successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback) {
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this._sendMediaMessage({ type: "MEDIA_GET_STATUS" }
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, successCallback, errorCallback);
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}
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public pause (
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pauseRequest: PauseRequest
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, successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback) {
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this._sendMediaMessage({ type: "PAUSE" }
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, successCallback, errorCallback);
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}
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public play (
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playRequest?: PlayRequest
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, successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback) {
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this._sendMediaMessage({ type: "PLAY" }
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, successCallback, errorCallback);
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}
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public queueAppendItem (
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item: QueueItem
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, successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback) {
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console.log("STUB :: Media#queueAppendItem");
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}
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public queueInsertItems (
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queueInsertItemsRequest: QueueInsertItemsRequest
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, successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback) {
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console.log("STUB :: Media#queueInsertItems");
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}
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public queueJumpToItem (
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itemId: number
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, successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback) {
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console.log("STUB :: Media#queueJumpToItem");
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}
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public queueMoveItemToNewIndex (
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itemId: number
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, newIndex: number
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, successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback) {
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console.log("STUB :: Media#queueMoveItemToNewIndex");
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}
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public queueNext (
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successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback) {
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console.log("STUB :: Media#queueNext");
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}
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public queuePrev (
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successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback) {
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console.log("STUB :: Media#queuePrev");
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}
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public queueRemoveItem(
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itemId: number
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, successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback) {
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console.log("STUB :: Media#queueRemoveItem");
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}
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public queueReorderItems (
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queueReorderItemsRequest: QueueReorderItemsRequest
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, successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback) {
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console.log("STUB :: Media#queueReorderItems");
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}
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public queueSetRepeatMode (
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repeatMode: string
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, successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback) {
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console.log("STUB :: Media#queueSetRepeatMode");
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}
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public queueUpdateItems (
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queueUpdateItemsRequest: QueueUpdateItemsRequest
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, successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback) {
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console.log("STUB :: Media#queueUpdateItems");
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}
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public removeUpdateListener (listener: UpdateListener) {
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this._updateListeners.delete(listener);
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}
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public seek (
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seekRequest: SeekRequest
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, successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback) {
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this._sendMediaMessage({
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type: "SEEK"
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, currentTime: seekRequest.currentTime
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}, successCallback, errorCallback);
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}
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public setVolume (
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volumeRequest: VolumeRequest
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, successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback) {
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this._sendMediaMessage({
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type: "SET_VOLUME"
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, volume: volumeRequest.volume
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}, successCallback, errorCallback);
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}
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public stop (
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stopRequest: StopRequest
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, successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback) {
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this._sendMediaMessage({
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type: "STOP"
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}, successCallback, errorCallback);
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}
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public supportsCommand (command: string) {
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console.log("STUB :: Media#supportsCommand");
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}
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private _sendMessage (subject: string, data: {}) {
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sendMessageResponse({
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subject
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, data
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, _id: this._id
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});
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}
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private _sendMediaMessage (
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message: any
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, successCallback?: SuccessCallback
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, errorCallback?: ErrorCallback) {
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message.mediaSessionId = this.mediaSessionId;
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message.requestId = 0;
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message.sessionId = this.sessionId;
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message.customData = null;
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const messageId = uuid();
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this._sendMediaMessageCallbacks.set(messageId, [
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successCallback
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, errorCallback
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]);
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this._sendMessage("bridge:/media/sendMediaMessage", {
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message
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, messageId
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});
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}
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}
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