mirror of
https://github.com/mozilla/gecko-dev.git
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40e1ba271a
--HG-- extra : rebase_source : 2aae82958670d0154a3cf08bd0e2a80d529e36f3
469 lines
14 KiB
JavaScript
469 lines
14 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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*/
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"use strict";
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const DEBUG = false;
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function debug(s) { dump("-*- ResourceStatsManager: " + s + "\n"); }
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const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/DOMRequestHelper.jsm");
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// Constant defines supported statistics.
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const resourceTypeList = ["network", "power"];
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function NetworkStatsData(aStatsData) {
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if (DEBUG) {
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debug("NetworkStatsData(): " + JSON.stringify(aStatsData));
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}
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this.receivedBytes = aStatsData.receivedBytes || 0;
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this.sentBytes = aStatsData.sentBytes || 0;
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this.timestamp = aStatsData.timestamp;
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}
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NetworkStatsData.prototype = {
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classID: Components.ID("{dce5729a-ba92-4185-8854-e29e71b9e8a2}"),
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contractID: "@mozilla.org/networkStatsData;1",
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QueryInterface: XPCOMUtils.generateQI([])
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};
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function PowerStatsData(aStatsData) {
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if (DEBUG) {
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debug("PowerStatsData(): " + JSON.stringify(aStatsData));
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}
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this.consumedPower = aStatsData.consumedPower || 0;
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this.timestamp = aStatsData.timestamp;
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}
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PowerStatsData.prototype = {
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classID: Components.ID("{acb9af6c-8143-4e59-bc18-4bb1736a4004}"),
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contractID: "@mozilla.org/powerStatsData;1",
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QueryInterface: XPCOMUtils.generateQI([])
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};
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function ResourceStats(aWindow, aStats) {
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if (DEBUG) {
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debug("ResourceStats(): " + JSON.stringify(aStats));
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}
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this._window = aWindow;
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this.type = aStats.type;
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this.component = aStats.component || null;
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this.serviceType = aStats.serviceType || null;
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this.manifestURL = aStats.manifestURL || null;
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this.start = aStats.start;
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this.end = aStats.end;
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this.statsData = new aWindow.Array();
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// A function creates a StatsData object according to type.
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let createStatsDataObject = null;
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let self = this;
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switch (this.type) {
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case "power":
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createStatsDataObject = function(aStats) {
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let chromeObj = new PowerStatsData(aStats);
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return self._window.PowerStatsData._create(self._window, chromeObj);
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};
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break;
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case "network":
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createStatsDataObject = function(aStats) {
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let chromeObj = new NetworkStatsData(aStats);
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return self._window.NetworkStatsData._create(self._window, chromeObj);
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};
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break;
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}
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let sampleRate = aStats.sampleRate;
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let queryResult = aStats.statsData;
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let stats = queryResult.pop(); // Pop out the last element.
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let timestamp = this.start;
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// Push query result to statsData, and fill empty elements so that:
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// 1. the timestamp of the first element of statsData is equal to start;
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// 2. the timestamp of the last element of statsData is equal to end;
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// 3. the timestamp difference of every neighboring elements is SAMPLE_RATE.
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for (; timestamp <= this.end; timestamp += sampleRate) {
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if (!stats || stats.timestamp != timestamp) {
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// If dataArray is empty or timestamp are not equal, push a dummy object
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// (which stats are set to 0) to statsData.
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this.statsData.push(createStatsDataObject({ timestamp: timestamp }));
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} else {
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// Push stats to statsData and pop a new element form queryResult.
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this.statsData.push(createStatsDataObject(stats));
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stats = queryResult.pop();
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}
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}
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}
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ResourceStats.prototype = {
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getData: function() {
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return this.statsData;
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},
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classID: Components.ID("{b7c970f2-3d58-4966-9633-2024feb5132b}"),
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contractID: "@mozilla.org/resourceStats;1",
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QueryInterface: XPCOMUtils.generateQI([])
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};
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function ResourceStatsAlarm(aWindow, aAlarm) {
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if (DEBUG) {
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debug("ResourceStatsAlarm(): " + JSON.stringify(aAlarm));
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}
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this.alarmId = aAlarm.alarmId;
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this.type = aAlarm.type;
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this.component = aAlarm.component || null;
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this.serviceType = aAlarm.serviceType || null;
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this.manifestURL = aAlarm.manifestURL || null;
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this.threshold = aAlarm.threshold;
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// Clone data object using structured clone algorithm.
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this.data = null;
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if (aAlarm.data) {
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this.data = Cu.cloneInto(aAlarm.data, aWindow);
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}
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}
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ResourceStatsAlarm.prototype = {
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classID: Components.ID("{e2b66e7a-0ff1-4015-8690-a2a3f6a5b63a}"),
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contractID: "@mozilla.org/resourceStatsAlarm;1",
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QueryInterface: XPCOMUtils.generateQI([]),
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};
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function ResourceStatsManager() {
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if (DEBUG) {
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debug("constructor()");
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}
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}
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ResourceStatsManager.prototype = {
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__proto__: DOMRequestIpcHelper.prototype,
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// Check time range.
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_checkTimeRange: function(aStart, aEnd) {
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if (DEBUG) {
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debug("_checkTimeRange(): " + aStart + " to " + aEnd);
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}
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let start = aStart ? aStart : 0;
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let end = aEnd ? aEnd : Date.now();
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if (start > end) {
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throw Cr.NS_ERROR_INVALID_ARG;
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}
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return { start: start, end: end };
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},
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getStats: function(aStatsOptions, aStart, aEnd) {
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// Check time range.
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let { start: start, end: end } = this._checkTimeRange(aStart, aEnd);
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// Create Promise.
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let self = this;
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return this.createPromiseWithId(function(aResolverId) {
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self.cpmm.sendAsyncMessage("ResourceStats:GetStats", {
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resolverId: aResolverId,
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type: self.type,
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statsOptions: aStatsOptions,
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manifestURL: self._manifestURL,
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start: start,
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end: end
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});
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});
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},
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clearStats: function(aStatsOptions, aStart, aEnd) {
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// Check time range.
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let {start: start, end: end} = this._checkTimeRange(aStart, aEnd);
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// Create Promise.
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let self = this;
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return this.createPromiseWithId(function(aResolverId) {
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self.cpmm.sendAsyncMessage("ResourceStats:ClearStats", {
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resolverId: aResolverId,
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type: self.type,
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statsOptions: aStatsOptions,
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manifestURL: self._manifestURL,
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start: start,
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end: end
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});
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});
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},
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clearAllStats: function() {
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// Create Promise.
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let self = this;
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return this.createPromiseWithId(function(aResolverId) {
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self.cpmm.sendAsyncMessage("ResourceStats:ClearAllStats", {
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resolverId: aResolverId,
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type: self.type,
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manifestURL: self._manifestURL
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});
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});
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},
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addAlarm: function(aThreshold, aStatsOptions, aAlarmOptions) {
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if (DEBUG) {
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debug("aStatsOptions: " + JSON.stringify(aAlarmOptions));
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debug("aAlarmOptions: " + JSON.stringify(aAlarmOptions));
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}
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// Parse alarm options.
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let startTime = aAlarmOptions.startTime || 0;
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// Clone data object using structured clone algorithm.
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let data = null;
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if (aAlarmOptions.data) {
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data = Cu.cloneInto(aAlarmOptions.data, this._window);
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}
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// Create Promise.
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let self = this;
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return this.createPromiseWithId(function(aResolverId) {
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self.cpmm.sendAsyncMessage("ResourceStats:AddAlarm", {
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resolverId: aResolverId,
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type: self.type,
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threshold: aThreshold,
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statsOptions: aStatsOptions,
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manifestURL: self._manifestURL,
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startTime: startTime,
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data: data
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});
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});
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},
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getAlarms: function(aStatsOptions) {
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// Create Promise.
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let self = this;
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return this.createPromiseWithId(function(aResolverId) {
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self.cpmm.sendAsyncMessage("ResourceStats:GetAlarms", {
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resolverId: aResolverId,
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type: self.type,
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statsOptions: aStatsOptions,
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manifestURL: self._manifestURL
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});
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});
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},
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removeAlarm: function(aAlarmId) {
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// Create Promise.
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let self = this;
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return this.createPromiseWithId(function(aResolverId) {
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self.cpmm.sendAsyncMessage("ResourceStats:RemoveAlarm", {
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resolverId: aResolverId,
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type: self.type,
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manifestURL: self._manifestURL,
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alarmId: aAlarmId
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});
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});
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},
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removeAllAlarms: function() {
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// Create Promise.
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let self = this;
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return this.createPromiseWithId(function(aResolverId) {
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self.cpmm.sendAsyncMessage("ResourceStats:RemoveAllAlarms", {
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resolverId: aResolverId,
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type: self.type,
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manifestURL: self._manifestURL
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});
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});
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},
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getAvailableComponents: function() {
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// Create Promise.
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let self = this;
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return this.createPromiseWithId(function(aResolverId) {
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self.cpmm.sendAsyncMessage("ResourceStats:GetComponents", {
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resolverId: aResolverId,
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type: self.type,
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manifestURL: self._manifestURL
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});
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});
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},
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get resourceTypes() {
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let types = new this._window.Array();
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resourceTypeList.forEach(function(aType) {
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types.push(aType);
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});
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return types;
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},
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get sampleRate() {
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let msg = { manifestURL: this._manifestURL };
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return this.cpmm.sendSyncMessage("ResourceStats:SampleRate", msg)[0];
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},
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get maxStorageAge() {
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let msg = { manifestURL: this._manifestURL };
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return this.cpmm.sendSyncMessage("ResourceStats:MaxStorageAge", msg)[0];
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},
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receiveMessage: function(aMessage) {
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let data = aMessage.data;
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let chromeObj = null;
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let webidlObj = null;
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let self = this;
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if (DEBUG) {
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debug("receiveMessage(): " + aMessage.name + " " + data.resolverId);
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}
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let resolver = this.takePromiseResolver(data.resolverId);
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if (!resolver) {
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return;
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}
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switch (aMessage.name) {
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case "ResourceStats:GetStats:Resolved":
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if (DEBUG) {
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debug("data.value = " + JSON.stringify(data.value));
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}
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chromeObj = new ResourceStats(this._window, data.value);
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webidlObj = this._window.ResourceStats._create(this._window, chromeObj);
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resolver.resolve(webidlObj);
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break;
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case "ResourceStats:AddAlarm:Resolved":
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if (DEBUG) {
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debug("data.value = " + JSON.stringify(data.value));
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}
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resolver.resolve(data.value); // data.value is alarmId.
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break;
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case "ResourceStats:GetAlarms:Resolved":
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if (DEBUG) {
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debug("data.value = " + JSON.stringify(data.value));
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}
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let alarmArray = this._window.Array();
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data.value.forEach(function(aAlarm) {
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chromeObj = new ResourceStatsAlarm(self._window, aAlarm);
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webidlObj = self._window.ResourceStatsAlarm._create(self._window,
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chromeObj);
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alarmArray.push(webidlObj);
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});
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resolver.resolve(alarmArray);
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break;
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case "ResourceStats:GetComponents:Resolved":
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if (DEBUG) {
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debug("data.value = " + JSON.stringify(data.value));
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}
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let components = this._window.Array();
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data.value.forEach(function(aComponent) {
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components.push(aComponent);
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});
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resolver.resolve(components);
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break;
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case "ResourceStats:ClearStats:Resolved":
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case "ResourceStats:ClearAllStats:Resolved":
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case "ResourceStats:RemoveAlarm:Resolved":
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case "ResourceStats:RemoveAllAlarms:Resolved":
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if (DEBUG) {
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debug("data.value = " + JSON.stringify(data.value));
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}
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resolver.resolve(data.value);
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break;
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case "ResourceStats:GetStats:Rejected":
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case "ResourceStats:ClearStats:Rejected":
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case "ResourceStats:ClearAllStats:Rejected":
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case "ResourceStats:AddAlarm:Rejected":
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case "ResourceStats:GetAlarms:Rejected":
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case "ResourceStats:RemoveAlarm:Rejected":
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case "ResourceStats:RemoveAllAlarms:Rejected":
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case "ResourceStats:GetComponents:Rejected":
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if (DEBUG) {
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debug("data.reason = " + JSON.stringify(data.reason));
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}
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resolver.reject(data.reason);
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break;
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default:
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if (DEBUG) {
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debug("Could not find a handler for " + aMessage.name);
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}
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resolver.reject();
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}
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},
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__init: function(aType) {
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if (resourceTypeList.indexOf(aType) < 0) {
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if (DEBUG) {
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debug("Do not support resource statistics for " + aType);
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}
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throw Cr.NS_ERROR_INVALID_ARG;
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} else {
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if (DEBUG) {
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debug("Create " + aType + "Mgr");
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}
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this.type = aType;
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}
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},
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init: function(aWindow) {
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if (DEBUG) {
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debug("init()");
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}
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// Get the manifestURL if this is an installed app
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let principal = aWindow.document.nodePrincipal;
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let appsService = Cc["@mozilla.org/AppsService;1"]
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.getService(Ci.nsIAppsService);
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this._manifestURL = appsService.getManifestURLByLocalId(principal.appId);
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const messages = ["ResourceStats:GetStats:Resolved",
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"ResourceStats:ClearStats:Resolved",
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"ResourceStats:ClearAllStats:Resolved",
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"ResourceStats:AddAlarm:Resolved",
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"ResourceStats:GetAlarms:Resolved",
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"ResourceStats:RemoveAlarm:Resolved",
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"ResourceStats:RemoveAllAlarms:Resolved",
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"ResourceStats:GetComponents:Resolved",
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"ResourceStats:GetStats:Rejected",
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"ResourceStats:ClearStats:Rejected",
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"ResourceStats:ClearAllStats:Rejected",
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"ResourceStats:AddAlarm:Rejected",
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"ResourceStats:GetAlarms:Rejected",
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"ResourceStats:RemoveAlarm:Rejected",
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"ResourceStats:RemoveAllAlarms:Rejected",
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"ResourceStats:GetComponents:Rejected"];
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this.initDOMRequestHelper(aWindow, messages);
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this.cpmm = Cc["@mozilla.org/childprocessmessagemanager;1"]
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.getService(Ci.nsISyncMessageSender);
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},
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classID: Components.ID("{101ed1f8-31b3-491c-95ea-04091e6e8027}"),
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contractID: "@mozilla.org/resourceStatsManager;1",
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIDOMGlobalPropertyInitializer,
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Ci.nsISupportsWeakReference,
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Ci.nsIObserver])
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};
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([NetworkStatsData,
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PowerStatsData,
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ResourceStats,
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ResourceStatsAlarm,
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ResourceStatsManager]);
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