mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-11-19 02:13:04 +00:00
538 lines
18 KiB
JavaScript
538 lines
18 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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function debug(aMsg) {
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//dump("[TVSimulatorService] " + aMsg + "\n");
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}
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const Cc = Components.classes;
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const Cu = Components.utils;
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const Ci = Components.interfaces;
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const Cr = Components.returnCode;
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Cu.importGlobalProperties(["File"]);
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const TV_SIMULATOR_DUMMY_DIRECTORY = "dummy";
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const TV_SIMULATOR_DUMMY_FILE = "settings.json";
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// See http://seanyhlin.github.io/TV-Manager-API/#idl-def-TVSourceType
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const TV_SOURCE_TYPES = ["dvb-t","dvb-t2","dvb-c","dvb-c2","dvb-s",
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"dvb-s2","dvb-h","dvb-sh","atsc","atsc-m/h",
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"isdb-t","isdb-tb","isdb-s","isdb-c","1seg",
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"dtmb","cmmb","t-dmb","s-dmb"];
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function containInvalidSourceType(aElement, aIndex, aArray) {
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return !TV_SOURCE_TYPES.includes(aElement);
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}
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// See http://seanyhlin.github.io/TV-Manager-API/#idl-def-TVChannelType
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const TV_CHANNEL_TYPES = ["tv","radio","data"];
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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function TVSimulatorService() {
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this._internalTuners = null;
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this._scanCompleteTimer = null;
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this._scanningWrapTunerData = null;
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this._init();
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}
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TVSimulatorService.prototype = {
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classID: Components.ID("{94b065ad-d45a-436a-b394-6dabc3cf110f}"),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsITVSimulatorService,
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Ci.nsITVService,
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Ci.nsITimerCallback]),
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_init: function TVSimInit() {
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if (this._internalTuners) {
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return;
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}
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// Load the setting file from local JSON file.
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// Synchrhronous File Reading.
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let file = Cc["@mozilla.org/file/local;1"]
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.createInstance(Ci.nsILocalFile);
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file.initWithPath(this._getFilePath(TV_SIMULATOR_DUMMY_FILE));
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let fstream = Cc["@mozilla.org/network/file-input-stream;1"]
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.createInstance(Ci.nsIFileInputStream);
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let cstream = Cc["@mozilla.org/intl/converter-input-stream;1"]
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.createInstance(Ci.nsIConverterInputStream);
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let settingStr = "";
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try {
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fstream.init(file, -1, 0, 0);
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cstream.init(fstream,
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"UTF-8",
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1024,
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Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER);
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let str = {};
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while (cstream.readString(0xffffffff, str) != 0) {
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settingStr += str.value;
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}
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} catch(e) {
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debug("Error occurred : " + e );
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return;
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} finally {
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cstream.close();
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}
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let settingsObj;
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try {
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/*
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*
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* Setting JSON file format:
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*
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* Note: This setting JSON is not allow empty array.
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* If set the empty array, _init() will fail.
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* e.g.
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* - "tuners": []
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* - "channels":[]
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* Format:
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* {
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* "tuners": [{
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* "id": "The ID of the tuner",
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* "supportedType": ["The array of source type to be used."],
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* "sources": [{
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* "type": "The source type to be used",
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* "channels" : [{
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* "networkId": "The ID of the channel network",
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* "transportStreamId": "The ID of channel transport stream",
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* "serviceId": "The ID of channel service",
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* "type": "The type of channel",
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* "name": "The channel name",
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* "number" : The LCN (Logical Channel Number) of the channel,
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* "isEmergency" : Whether this channel is emergency status,
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* "isFree": Whether this channel is free or not,
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* "videoFilePath": "The path of the fake video file",
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* "programs":[{
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* "eventId": "The ID of this program event",
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* "title" : "This program's title",
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* "startTime": "The start time of this program",
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* "duration": "The duration of this program",
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* "description": "The description of this program",
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* "rating": "The rating of this program",
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* "audioLanugages": ["The array of audio language"],
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* "subtitleLanguages":["The array of subtitle language"],
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* },]
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* },]
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* },]
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* },]
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* }
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*/
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settingsObj = JSON.parse(settingStr);
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} catch(e) {
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debug("File load error: " + e);
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return;
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}
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// validation
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if (!this._validateSettings(settingsObj)) {
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debug("Failed to validate settings.");
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return;
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}
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// Key is as follow
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// {'tunerId':tunerId, 'sourceType':sourceType}
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this._internalTuners = new Map();
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// TVTunerData
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for (let tunerData of settingsObj.tuners) {
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let tuner = Cc["@mozilla.org/tv/tvtunerdata;1"]
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.createInstance(Ci.nsITVTunerData);
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tuner.id = tunerData.id;
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tuner.streamType = tuner.TV_STREAM_TYPE_SIMULATOR;
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tuner.setSupportedSourceTypes(tunerData.supportedType.length,
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tunerData.supportedType);
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let wrapTunerData = {
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'tuner': tuner,
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'channels': new Map(),
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'sourceType': undefined,
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};
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// TVSource
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for (let sourceData of tunerData.sources) {
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wrapTunerData.sourceType = sourceData.type;
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// TVChannel
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for (let channelData of sourceData.channels) {
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let channel = Cc["@mozilla.org/tv/tvchanneldata;1"]
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.createInstance(Ci.nsITVChannelData);
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channel.networkId = channelData.networkId;
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channel.transportStreamId = channelData.transportStreamId;
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channel.serviceId = channelData.serviceId;
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channel.type = channelData.type;
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channel.name = channelData.name;
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channel.number = channelData.number;
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channel.isEmergency = channelData.isEmergency;
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channel.isFree = channelData.isFree;
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let wrapChannelData = {
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'channel': channel,
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'programs': new Array(),
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'videoFilePath': channelData.videoFilePath,
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};
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// TVProgram
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for (let programData of channelData.programs) {
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let program = Cc["@mozilla.org/tv/tvprogramdata;1"]
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.createInstance(Ci.nsITVProgramData);
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program.eventId = programData.eventId;
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program.title = programData.title;
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program.startTime = programData.startTime;
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program.duration = programData.duration;
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program.description = programData.description;
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program.rating = programData.rating;
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program.setAudioLanguages(programData.audioLanguages.length,
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programData.audioLanguages);
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program.setSubtitleLanguages(programData.subtitleLanguages.length,
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programData.subtitleLanguages);
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wrapChannelData.programs.push(program);
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}
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// Sort the program according to the startTime
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wrapChannelData.programs.sort(function(a, b) {
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return a.startTime - b.startTime;
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});
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wrapTunerData.channels.set(channel.number, wrapChannelData);
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}
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// Sort the channel according to the channel number
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wrapTunerData.channels = new Map([...wrapTunerData.channels.entries()].sort(function(a, b) {
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return a[0] - b[0];
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}));
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this._internalTuners.set(
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this._getTunerMapKey(tuner.id, sourceData.type),
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wrapTunerData);
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}
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}
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},
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getTuners: function TVSimGetTuners(aCallback) {
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if (!aCallback) {
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debug("aCallback is null\n");
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return Cr.NS_ERROR_INVALID_ARG;
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}
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let tuners = Cc["@mozilla.org/array;1"]
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.createInstance(Ci.nsIMutableArray);
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for (let [k,wrapTunerData] of this._internalTuners) {
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tuners.appendElement(wrapTunerData.tuner, false);
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}
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return aCallback.notifySuccess(tuners);
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},
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setSource: function TVSimSetSource(aTunerId, aSourceType, aCallback) {
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if (!aCallback) {
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debug("aCallback is null\n");
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return NS_ERROR_INVALID_ARG;
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}
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let wrapTunerData = this._getWrapTunerData(aTunerId, aSourceType);
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if (!wrapTunerData) {
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return aCallback.notifyError(Ci.nsITVServiceCallback.TV_ERROR_FAILURE);
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}
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return aCallback.notifySuccess(null);
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},
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startScanningChannels: function TVSimStartScanningChannels(aTunerId, aSourceType, aCallback) {
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if (!aCallback) {
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debug("aCallback is null\n");
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return Cr.NS_ERROR_INVALID_ARG;
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}
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let wrapTunerData = this._getWrapTunerData(aTunerId, aSourceType);
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if (!wrapTunerData || !wrapTunerData.channels) {
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return aCallback.notifyError(Ci.nsITVServiceCallback.TV_ERROR_FAILURE);
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}
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if (this._scanningWrapTunerData) {
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return aCallback.notifyError(Cr.NS_ERROR_DOM_INVALID_STATE_ERR);
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}
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this._scanningWrapTunerData = wrapTunerData;
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aCallback.notifySuccess(null);
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for (let [key, wrapChannelData] of wrapTunerData.channels) {
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this._sourceListener.notifyChannelScanned(
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wrapTunerData.tuner.id,
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wrapTunerData.sourceType,
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wrapChannelData.channel);
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}
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this._scanCompleteTimer = Cc["@mozilla.org/timer;1"]
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.createInstance(Ci.nsITimer);
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rv = this._scanCompleteTimer.initWithCallback(this, 10,
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Ci.nsITimer.TYPE_ONE_SHOT);
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return Cr.NS_OK;
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},
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notify: function TVSimTimerCallback(aTimer) {
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if (!this._scanningWrapTunerData) {
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return;
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}
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this._scanCompleteTimer = null;
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this._scanningWrapTunerData = null;
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return this._sourceListener.notifyChannelScanComplete(
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this._scanningWrapTunerData.tuner.id,
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this._scanningWrapTunerData.sourceType);
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},
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stopScanningChannels: function TVSimStopScanningChannels(aTunerId, aSourceType, aCallback) {
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if (!aCallback) {
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debug("aCallback is null\n");
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return Cr.NS_ERROR_INVALID_ARG;
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}
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if (!this._scanningWrapTunerData) {
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return aCallback.notifyError(Cr.NS_ERROR_DOM_INVALID_STATE_ERR);
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}
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let wrapTunerData = this._getWrapTunerData(aTunerId, aSourceType);
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if (!wrapTunerData) {
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return aCallback.notifyError(Ci.nsITVServiceCallback.TV_ERROR_FAILURE);
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}
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if (this._scanCompleteTimer) {
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this._scanCompleteTimer.cancel();
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this._scanCompleteTimer = null;
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}
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if (wrapTunerData.tuner.id === this._scanningWrapTunerData.tuner.id &&
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wrapTunerData.sourceType === this._scanningWrapTunerData.sourceType) {
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this._scanningWrapTunerData = null;
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this._sourceListener.notifyChannelScanStopped(
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wrapTunerData.tuner.id,
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wrapTunerData.sourceType);
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}
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return aCallback.notifySuccess(null);
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},
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clearScannedChannelsCache: function TVSimClearScannedChannelsCache(aTunerId, aSourceType, aCallback) {
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// Doesn't support for this method.
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return Cr.NS_OK;
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},
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setChannel: function TVSimSetChannel(aTunerId, aSourceType, aChannelNumber, aCallback) {
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if (!aCallback) {
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debug("aCallback is null\n");
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return Cr.NS_ERROR_INVALID_ARG;
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}
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let channel = Cc["@mozilla.org/array;1"]
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.createInstance(Ci.nsIMutableArray);
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let wrapTunerData = this._getWrapTunerData(aTunerId, aSourceType);
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if (!wrapTunerData || !wrapTunerData.channels) {
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return aCallback.notifyError(Ci.nsITVServiceCallback.TV_ERROR_FAILURE);
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}
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let wrapChannelData = wrapTunerData.channels.get(aChannelNumber);
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if (!wrapChannelData) {
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return aCallback.notifyError(Ci.nsITVServiceCallback.TV_ERROR_FAILURE);
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}
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channel.appendElement(wrapChannelData.channel, false);
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return aCallback.notifySuccess(channel);
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},
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getChannels: function TVSimGetChannels(aTunerId, aSourceType, aCallback) {
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if (!aCallback) {
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debug("aCallback is null\n");
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return Cr.NS_ERROR_INVALID_ARG;
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}
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let channelArray = Cc["@mozilla.org/array;1"]
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.createInstance(Ci.nsIMutableArray);
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let wrapTunerData = this._getWrapTunerData(aTunerId, aSourceType);
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if (!wrapTunerData || !wrapTunerData.channels) {
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return aCallback.notifyError(Ci.nsITVServiceCallback.TV_ERROR_FAILURE);
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}
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for (let [key, wrapChannelData] of wrapTunerData.channels) {
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channelArray.appendElement(wrapChannelData.channel, false);
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}
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return aCallback.notifySuccess(channelArray);
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},
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getPrograms: function TVSimGetPrograms(aTunerId, aSourceType, aChannelNumber, aStartTime, aEndTime, aCallback) {
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if (!aCallback) {
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debug("aCallback is null\n");
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return Cr.NS_ERROR_INVALID_ARG;
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}
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let programArray = Cc["@mozilla.org/array;1"]
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.createInstance(Ci.nsIMutableArray);
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let wrapTunerData = this._getWrapTunerData(aTunerId, aSourceType);
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if (!wrapTunerData || !wrapTunerData.channels) {
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return aCallback.notifyError(Ci.nsITVServiceCallback.TV_ERROR_FAILURE);
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}
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let wrapChannelData = wrapTunerData.channels.get(aChannelNumber);
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if (!wrapChannelData || !wrapChannelData.programs) {
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return Cr.NS_ERROR_INVALID_ARG;
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}
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for (let program of wrapChannelData.programs) {
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programArray.appendElement(program, false);
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}
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return aCallback.notifySuccess(programArray);
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},
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getOverlayId: function TVSimGetOverlayId(aTunerId, aCallback) {
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if (!aCallback) {
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debug("aCallback is null\n");
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return Cr.NS_ERROR_INVALID_ARG;
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}
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// TVSimulatorService does not use this parameter.
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overlayIds = Cc["@mozilla.org/array;1"]
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.createInstance(Ci.nsIMutableArray);
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return aCallback.notifySuccess(overlayIds);
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},
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set sourceListener(aListener) {
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this._sourceListener = aListener;
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},
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get sourceListener() {
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return this._sourceListener;
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},
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getSimulatorVideoBlobURL: function TVSimGetSimulatorVideoBlob(aTunerId,
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aSourceType,
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aChannelNumber,
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aWin) {
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let wrapTunerData = this._getWrapTunerData(aTunerId, aSourceType);
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if (!wrapTunerData || !wrapTunerData.channels) {
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return "";
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}
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let wrapChannelData = wrapTunerData.channels.get(aChannelNumber);
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if (!wrapChannelData || !wrapChannelData.videoFilePath) {
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return "";
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}
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let videoFile = new File(this._getFilePath(wrapChannelData.videoFilePath));
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let videoBlobURL = aWin.URL.createObjectURL(videoFile);
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return videoBlobURL;
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},
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_getTunerMapKey: function TVSimGetTunerMapKey(aTunerId, aSourceType) {
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return JSON.stringify({'tunerId': aTunerId, 'sourceType': aSourceType});
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},
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_getWrapTunerData: function TVSimGetWrapTunerData(aTunerId, aSourceType) {
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if (!this._internalTuners || this._internalTuners.size <= 0) {
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return null;
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}
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return this._internalTuners.get(this._getTunerMapKey(aTunerId, aSourceType));
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},
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_getFilePath: function TVSimGetFilePathFromDummyDirectory(fileName) {
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let dsFile = Cc["@mozilla.org/file/directory_service;1"]
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.getService(Ci.nsIProperties)
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.get("ProfD", Ci.nsIFile);
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dsFile.append(TV_SIMULATOR_DUMMY_DIRECTORY);
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dsFile.append(fileName);
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return dsFile.path;
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},
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_validateSettings: function TVSimValidateSettings(aSettingsObject) {
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return this._validateTuners(aSettingsObject.tuners);
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},
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_validateTuners: function TVSimValidateTuners(aTunersObject) {
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let tunerIds = new Array();
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for (let tuner of aTunersObject) {
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if (!tuner.id ||
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!tuner.supportedType ||
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!tuner.supportedType.length ||
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tuner.supportedType.some(containInvalidSourceType) ||
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tunerIds.includes(tuner.id)) {
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debug("invalid tuner data.");
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return false;
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}
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tunerIds.push(tuner.id);
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if (!this._validateSources(tuner.sources)) {
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return false;
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}
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}
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return true;
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},
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_validateSources: function TVSimValidateSources(aSourcesObject) {
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for (let source of aSourcesObject) {
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if (!source.type ||
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!TV_SOURCE_TYPES.includes(source.type)) {
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debug("invalid source data.");
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return false;
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}
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if (!this._validateChannels(source.channels)) {
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return false;
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}
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}
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return true;
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},
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_validateChannels: function TVSimValidateChannels(aChannelsObject) {
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let channelNumbers = new Array();
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for (let channel of aChannelsObject) {
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if (!channel.networkId ||
|
|
!channel.transportStreamId ||
|
|
!channel.serviceId ||
|
|
!channel.type ||
|
|
!TV_CHANNEL_TYPES.includes(channel.type) ||
|
|
!channel.number ||
|
|
channelNumbers.includes(channel.number) ||
|
|
!channel.name) {
|
|
debug("invalid channel data.");
|
|
return false;
|
|
}
|
|
channelNumbers.push(channel.number);
|
|
|
|
if (!this._validatePrograms(channel.programs)) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
},
|
|
|
|
_validatePrograms: function TVSimValidatePrograms(aProgramsObject) {
|
|
let eventIds = new Array();
|
|
for (let program of aProgramsObject) {
|
|
if (!program.eventId ||
|
|
eventIds.includes(program.eventId) ||
|
|
!program.title ||
|
|
!program.startTime ||
|
|
!program.duration) {
|
|
debug("invalid program data.");
|
|
return false;
|
|
}
|
|
eventIds.push(program.eventId);
|
|
}
|
|
return true;
|
|
},
|
|
};
|
|
|
|
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([TVSimulatorService]);
|