gorhill
9 years ago
5 changed files with 93 additions and 221 deletions
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1src/background.html
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174src/js/async.js
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77src/js/cookies.js
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47src/js/tab.js
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11src/js/useragent.js
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/******************************************************************************* |
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µMatrix - a Chromium browser extension to black/white list requests. |
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Copyright (C) 2013 Raymond Hill |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see {http://www.gnu.org/licenses/}.
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Home: https://github.com/gorhill/uMatrix
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*/ |
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/* global chrome, µMatrix */ |
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/******************************************************************************/ |
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// Async job queue module
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µMatrix.asyncJobs = (function() { |
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var processJobs = function() { |
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asyncJobManager.process(); |
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}; |
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var AsyncJobEntry = function(name) { |
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this.name = name; |
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this.data = null; |
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this.callback = null; |
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this.when = 0; |
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this.period = 0; |
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}; |
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AsyncJobEntry.prototype.destroy = function() { |
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this.name = ''; |
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this.data = null; |
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this.callback = null; |
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}; |
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var AsyncJobManager = function() { |
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this.timeResolution = 200; |
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this.jobs = {}; |
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this.jobCount = 0; |
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this.jobJunkyard = []; |
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this.timerId = null; |
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this.timerWhen = Number.MAX_VALUE; |
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}; |
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AsyncJobManager.prototype.restartTimer = function() { |
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var when = Number.MAX_VALUE; |
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var jobs = this.jobs, job; |
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for ( var jobName in jobs ) { |
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job = jobs[jobName]; |
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if ( job instanceof AsyncJobEntry ) { |
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if ( job.when < when ) { |
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when = job.when; |
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} |
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} |
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} |
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// Quantize time value
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when = Math.floor((when + this.timeResolution - 1) / this.timeResolution) * this.timeResolution; |
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if ( when < this.timerWhen ) { |
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clearTimeout(this.timerId); |
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this.timerWhen = when; |
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this.timerId = vAPI.setTimeout(processJobs, Math.max(when - Date.now(), 10)); |
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} |
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}; |
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AsyncJobManager.prototype.add = function(name, data, callback, delay, recurrent) { |
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var job = this.jobs[name]; |
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if ( !job ) { |
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job = this.jobJunkyard.pop(); |
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if ( !job ) { |
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job = new AsyncJobEntry(name); |
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} else { |
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job.name = name; |
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} |
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this.jobs[name] = job; |
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this.jobCount++; |
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} |
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job.data = data; |
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job.callback = callback; |
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job.when = Date.now() + delay; |
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job.period = recurrent ? delay : 0; |
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this.restartTimer(); |
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}; |
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AsyncJobManager.prototype.process = function() { |
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this.timerId = null; |
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this.timerWhen = Number.MAX_VALUE; |
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var now = Date.now(); |
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var job; |
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for ( var jobName in this.jobs ) { |
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if ( this.jobs.hasOwnProperty(jobName) === false ) { |
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continue; |
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} |
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job = this.jobs[jobName]; |
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if ( job.when > now ) { |
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continue; |
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} |
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job.callback(job.data); |
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if ( job.period ) { |
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job.when = now + job.period; |
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} else { |
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delete this.jobs[jobName]; |
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job.destroy(); |
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this.jobCount--; |
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this.jobJunkyard.push(job); |
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} |
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} |
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this.restartTimer(); |
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}; |
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// Only one instance
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var asyncJobManager = new AsyncJobManager(); |
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// Publish
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return asyncJobManager; |
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})(); |
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/******************************************************************************/ |
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// Update badge
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// rhill 2013-11-09: well this sucks, I can't update icon/badge
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// incrementally, as chromium overwrite the icon at some point without
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// notifying me, and this causes internal cached state to be out of sync.
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µMatrix.updateBadgeAsync = (function() { |
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var tabIdToTimer = Object.create(null); |
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var updateBadge = function(tabId) { |
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delete tabIdToTimer[tabId]; |
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var iconId = null; |
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var badgeStr = ''; |
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var pageStore = this.pageStoreFromTabId(tabId); |
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if ( pageStore !== null ) { |
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var total = pageStore.perLoadAllowedRequestCount + |
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pageStore.perLoadBlockedRequestCount; |
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if ( total ) { |
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var squareSize = 19; |
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var greenSize = squareSize * Math.sqrt(pageStore.perLoadAllowedRequestCount / total); |
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iconId = greenSize < squareSize/2 ? Math.ceil(greenSize) : Math.floor(greenSize); |
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} |
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if ( this.userSettings.iconBadgeEnabled && pageStore.distinctRequestCount !== 0) { |
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badgeStr = this.formatCount(pageStore.distinctRequestCount); |
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} |
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} |
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vAPI.setIcon(tabId, iconId, badgeStr); |
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}; |
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return function(tabId) { |
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if ( tabIdToTimer[tabId] ) { |
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return; |
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} |
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if ( vAPI.isBehindTheSceneTabId(tabId) ) { |
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return; |
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} |
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tabIdToTimer[tabId] = vAPI.setTimeout(updateBadge.bind(this, tabId), 500); |
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}; |
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})(); |
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