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@ -55,13 +55,13 @@ var µm = µMatrix; |
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return uri.normalizedURI(); |
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} |
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var url = 'http://' + scheme + '-scheme/'; |
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var url = scheme + '-scheme'; |
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if ( uri.hostname !== '' ) { |
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url += uri.hostname + '/'; |
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url = uri.hostname + '.' + url; |
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} |
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return url; |
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return 'http://' + url + '/'; |
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}; |
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/******************************************************************************/ |
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@ -198,7 +198,7 @@ housekeep itself. |
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this.rawURL = this.stack[this.stack.length - 1]; |
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this.normalURL = µm.normalizePageURL(this.tabId, this.rawURL); |
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this.rootHostname = µm.URI.hostnameFromURI(this.normalURL); |
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this.rootDomain = µm.URI.domainFromHostname(this.rootHostname); |
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this.rootDomain = µm.URI.domainFromHostname(this.rootHostname) || this.rootHostname; |
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} |
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}; |
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@ -264,7 +264,7 @@ housekeep itself. |
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// Find a tab context for a specific tab. If none is found, attempt to
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// fix this. When all fail, the behind-the-scene context is returned.
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var lookup = function(tabId, url) { |
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var mustLookup = function(tabId, url) { |
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var entry; |
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if ( url !== undefined ) { |
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entry = push(tabId, url); |
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@ -315,8 +315,8 @@ housekeep itself. |
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} |
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}; |
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var exists = function(tabId) { |
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return tabContexts[tabId] !== undefined; |
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var lookup = function(tabId) { |
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return tabContexts[tabId] || null; |
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}; |
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// Behind-the-scene tab context
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@ -350,7 +350,7 @@ housekeep itself. |
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unpush: unpush, |
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commit: commit, |
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lookup: lookup, |
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exists: exists, |
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mustLookup: mustLookup, |
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createContext: createContext |
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}; |
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})(); |
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@ -365,9 +365,15 @@ vAPI.tabs.onNavigation = function(details) { |
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if ( details.frameId !== 0 ) { |
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return; |
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} |
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var tabContext = µm.tabContextManager.commit(details.tabId, details.url); |
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var pageStore = µm.bindTabToPageStats(details.tabId, 'afterNavigate'); |
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// This actually can happen
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var tabId = details.tabId; |
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if ( vAPI.isBehindTheSceneTabId(tabId) ) { |
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return; |
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} |
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µm.tabContextManager.commit(tabId, details.url); |
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µm.bindTabToPageStats(tabId, 'commit'); |
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}; |
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/******************************************************************************/ |
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@ -381,9 +387,14 @@ vAPI.tabs.onUpdated = function(tabId, changeInfo, tab) { |
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return; |
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} |
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// This actually can happen
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if ( vAPI.isBehindTheSceneTabId(tabId) ) { |
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return; |
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} |
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if ( changeInfo.url ) { |
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µm.tabContextManager.commit(tabId, changeInfo.url); |
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µm.bindTabToPageStats(tabId, 'tabUpdated'); |
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µm.bindTabToPageStats(tabId, 'updated'); |
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} |
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// rhill 2013-12-23: Compute state after whole page is loaded. This is
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@ -396,7 +407,7 @@ vAPI.tabs.onUpdated = function(tabId, changeInfo, tab) { |
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// unblocked when user un-blacklist the hostname.
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// https://github.com/gorhill/httpswitchboard/issues/198
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if ( changeInfo.status === 'complete' ) { |
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var pageStats = µm.pageStatsFromTabId(tabId); |
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var pageStats = µm.pageStoreFromTabId(tabId); |
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if ( pageStats ) { |
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pageStats.state = µm.computeTabState(tabId); |
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} |
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@ -406,10 +417,10 @@ vAPI.tabs.onUpdated = function(tabId, changeInfo, tab) { |
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/******************************************************************************/ |
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vAPI.tabs.onClosed = function(tabId) { |
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if ( vAPI.isBehindTheSceneTabId(tabId) ) { |
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return; |
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} |
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µm.unbindTabFromPageStats(tabId); |
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// I could incinerate all the page stores in the crypt associated with the
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// tab id, but this will be done anyway once all incineration timers
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// elapse. Let's keep it simple: they can all just rot a bit more before
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// incineration.
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}; |
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/******************************************************************************/ |
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@ -419,173 +430,201 @@ vAPI.tabs.registerListeners(); |
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/******************************************************************************/ |
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/******************************************************************************/ |
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// Create a new page url stats store (if not already present)
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µm.createPageStore = function(pageURL) { |
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// https://github.com/gorhill/httpswitchboard/issues/303
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// At this point, the URL has been page-URL-normalized
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// do not create stats store for urls which are of no interest
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if ( pageURL.search(/^https?/) !== 0 ) { |
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return; |
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} |
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var pageStore = null; |
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if ( this.pageStats.hasOwnProperty(pageURL) ) { |
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pageStore = this.pageStats[pageURL]; |
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} |
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if ( pageStore === null ) { |
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pageStore = this.PageStore.factory(pageURL); |
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// These counters are used so that icon presents an overview of how
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// much allowed/blocked.
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pageStore.perLoadAllowedRequestCount = |
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pageStore.perLoadBlockedRequestCount = 0; |
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this.pageStats[pageURL] = pageStore; |
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} |
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// TODO: revisit code, need to account for those web pages for which the
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// URL changes with the content only updated
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if ( pageStore.pageUrl !== pageURL ) { |
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pageStore.init(pageURL); |
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} |
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return pageStore; |
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}; |
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/******************************************************************************/ |
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// Create an entry for the tab if it doesn't exist
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µm.bindTabToPageStats = function(tabId, context) { |
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if ( vAPI.isBehindTheSceneTabId(tabId) === false ) { |
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this.updateBadgeAsync(tabId); |
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} |
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// Do not create a page store for URLs which are of no interests
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if ( µm.tabContextManager.exists(tabId) === false ) { |
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this.unbindTabFromPageStats(tabId); |
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return null; |
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// Example: dev console
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var tabContext = this.tabContextManager.lookup(tabId); |
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if ( tabContext === null ) { |
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throw new Error('Unmanaged tab id: ' + tabId); |
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} |
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var tabContext = µm.tabContextManager.lookup(tabId); |
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var rawURL = tabContext.rawURL; |
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// rhill 2013-11-24: Never ever rebind chromium-behind-the-scene
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// virtual tab.
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// https://github.com/gorhill/httpswitchboard/issues/67
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if ( vAPI.isBehindTheSceneTabId(tabId) ) { |
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return this.pageStores[tabId]; |
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} |
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// https://github.com/gorhill/httpswitchboard/issues/303
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// Don't rebind pages blocked by µMatrix.
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var blockedRootFramePrefix = this.webRequest.blockedRootFramePrefix; |
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if ( rawURL.lastIndexOf(blockedRootFramePrefix, 0) === 0 ) { |
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if ( tabContext.rawURL.lastIndexOf(blockedRootFramePrefix, 0) === 0 ) { |
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return null; |
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} |
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var pageStore; |
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var pageURL = tabContext.normalURL; |
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var normalURL = tabContext.normalURL; |
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var pageStore = this.pageStores[tabId] || null; |
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// The previous page URL, if any, associated with the tab
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if ( this.tabIdToPageUrl.hasOwnProperty(tabId) ) { |
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var previousPageURL = this.tabIdToPageUrl[tabId]; |
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if ( pageStore !== null ) { |
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// No change, do not rebind
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if ( previousPageURL === pageURL ) { |
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return this.pageStats[pageURL]; |
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if ( pageStore.pageUrl === normalURL ) { |
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return pageStore; |
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} |
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// Do not change anything if it's weak binding -- typically when
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// binding from network request handler.
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if ( context === 'weak' ) { |
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return pageStore; |
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} |
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// https://github.com/gorhill/uMatrix/issues/37
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// Just rebind whenever possible: the URL changed, but the document maybe is the same.
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// Just rebind whenever possible: the URL changed, but the document
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// maybe is the same.
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// Example: Google Maps, Github
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// https://github.com/gorhill/uMatrix/issues/72
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// Need to double-check that the new scope is same as old scope
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if ( context === 'pageUpdated' ) { |
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pageStore = this.pageStats[previousPageURL]; |
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if ( pageStore.pageHostname === this.hostnameFromURL(pageURL) ) { |
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pageStore.pageUrl = pageURL; |
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delete this.pageStats[previousPageURL]; |
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this.pageStats[pageURL] = pageStore; |
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delete this.pageUrlToTabId[previousPageURL]; |
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this.pageUrlToTabId[pageURL] = tabId; |
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this.tabIdToPageUrl[tabId] = pageURL; |
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if ( context === 'updated' && pageStore.pageHostname === tabContext.rootHostname ) { |
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pageStore.rawURL = tabContext.rawURL; |
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pageStore.normalURL = normalURL; |
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return pageStore; |
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} |
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} |
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// We won't be reusing this page store.
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this.unbindTabFromPageStats(tabId); |
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} |
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pageStore = this.createPageStore(pageURL, context); |
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// Try to resurrect first.
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pageStore = this.resurrectPageStore(tabId, normalURL); |
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if ( pageStore === null ) { |
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pageStore = this.PageStore.factory(tabContext); |
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} |
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this.pageStores[tabId] = pageStore; |
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// console.debug('tab.js > bindTabToPageStats(): dispatching traffic in tab id %d to page store "%s"', tabId, pageUrl);
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// rhill 2013-11-24: Never ever rebind chromium-behind-the-scene
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// virtual tab.
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// https://github.com/gorhill/httpswitchboard/issues/67
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if ( tabId === this.behindTheSceneTabId ) { |
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// https://github.com/gorhill/uMatrix/issues/37
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pageStore.updateBadgeAsync(); |
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return pageStore; |
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}; |
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/******************************************************************************/ |
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µm.unbindTabFromPageStats = function(tabId) { |
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// Never unbind behind-the-scene page store.
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if ( vAPI.isBehindTheSceneTabId(tabId) ) { |
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return; |
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} |
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// https://github.com/gorhill/uMatrix/issues/37
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this.updateBadgeAsync(tabId); |
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var pageStore = this.pageStores[tabId] || null; |
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if ( pageStore === null ) { |
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return; |
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} |
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delete this.pageStores[tabId]; |
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this.unbindTabFromPageStats(tabId); |
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if ( pageStore.incinerationTimer ) { |
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clearTimeout(pageStore.incinerationTimer); |
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pageStore.incinerationTimer = null; |
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} |
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// rhill 2014-02-08: Do not create an entry if no page store
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// exists (like when visiting about:blank)
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// https://github.com/gorhill/httpswitchboard/issues/186
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if ( !pageStore ) { |
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if ( this.pageStoreCemetery.hasOwnProperty(tabId) === false ) { |
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this.pageStoreCemetery[tabId] = {}; |
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} |
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var pageStoreCrypt = this.pageStoreCemetery[tabId]; |
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var pageURL = pageStore.pageUrl; |
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pageStoreCrypt[pageURL] = pageStore; |
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pageStore.incinerationTimer = setTimeout( |
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this.incineratePageStore.bind(this, tabId, pageURL), |
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4 * 60 * 1000 |
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); |
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}; |
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/******************************************************************************/ |
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µm.resurrectPageStore = function(tabId, pageURL) { |
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if ( this.pageStoreCemetery.hasOwnProperty(tabId) === false ) { |
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return null; |
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} |
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var pageStoreCrypt = this.pageStoreCemetery[tabId]; |
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if ( pageStoreCrypt.hasOwnProperty(pageURL) === false ) { |
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return null; |
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} |
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var pageStore = pageStoreCrypt[pageURL]; |
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if ( pageStore.incinerationTimer !== null ) { |
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clearTimeout(pageStore.incinerationTimer); |
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pageStore.incinerationTimer = null; |
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} |
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this.pageUrlToTabId[pageURL] = tabId; |
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this.tabIdToPageUrl[tabId] = pageURL; |
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pageStore.boundCount += 1; |
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delete pageStoreCrypt[pageURL]; |
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if ( Object.keys(pageStoreCrypt).length === 0 ) { |
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delete this.pageStoreCemetery[tabId]; |
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} |
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return pageStore; |
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}; |
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/******************************************************************************/ |
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µm.unbindTabFromPageStats = function(tabId) { |
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if ( this.tabIdToPageUrl.hasOwnProperty(tabId) === false ) { |
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µm.incineratePageStore = function(tabId, pageURL) { |
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if ( this.pageStoreCemetery.hasOwnProperty(tabId) === false ) { |
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return; |
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} |
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var pageURL = this.tabIdToPageUrl[tabId]; |
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if ( this.pageStats.hasOwnProperty(pageURL) ) { |
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var pageStore = this.pageStats[pageURL]; |
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pageStore.boundCount -= 1; |
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if ( pageStore.boundCount === 0 ) { |
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pageStore.obsoleteAfter = Date.now() + (5 * 60 * 1000); |
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var pageStoreCrypt = this.pageStoreCemetery[tabId]; |
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if ( pageStoreCrypt.hasOwnProperty(pageURL) === false ) { |
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return; |
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} |
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var pageStore = pageStoreCrypt[pageURL]; |
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if ( pageStore.incinerationTimer !== null ) { |
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clearTimeout(pageStore.incinerationTimer); |
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pageStore.incinerationTimer = null; |
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} |
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delete this.tabIdToPageUrl[tabId]; |
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delete this.pageUrlToTabId[pageURL]; |
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delete pageStoreCrypt[pageURL]; |
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if ( Object.keys(pageStoreCrypt).length === 0 ) { |
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delete this.pageStoreCemetery[tabId]; |
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} |
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pageStore.dispose(); |
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}; |
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/******************************************************************************/ |
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// Log a request
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µm.pageStoreFromTabId = function(tabId) { |
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return this.pageStores[tabId] || null; |
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}; |
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µm.recordFromTabId = function(tabId, type, url, blocked) { |
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var pageStats = this.pageStatsFromTabId(tabId); |
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if ( pageStats ) { |
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pageStats.recordRequest(type, url, blocked); |
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this.updateBadgeAsync(tabId); |
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} |
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// Never return null
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µm.mustPageStoreFromTabId = function(tabId) { |
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return this.pageStores[tabId] || this.pageStores[vAPI.noTabId]; |
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}; |
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µm.recordFromPageUrl = function(pageUrl, type, url, blocked, reason) { |
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var pageStats = this.pageStatsFromPageUrl(pageUrl); |
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if ( pageStats ) { |
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pageStats.recordRequest(type, url, blocked, reason); |
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/******************************************************************************/ |
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// Log a request
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µm.recordFromTabId = function(tabId, type, url, blocked) { |
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var pageStore = this.pageStoreFromTabId(tabId); |
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if ( pageStore ) { |
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pageStore.recordRequest(type, url, blocked); |
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pageStore.updateBadgeAsync(); |
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} |
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}; |
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/******************************************************************************/ |
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µm.onPageLoadCompleted = function(pageURL) { |
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var pageStats = this.pageStatsFromPageUrl(pageURL); |
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if ( !pageStats ) { |
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µm.onPageLoadCompleted = function(tabId) { |
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var pageStore = this.pageStoreFromTabId(tabId); |
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if ( !pageStore ) { |
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return; |
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} |
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// https://github.com/gorhill/httpswitchboard/issues/181
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if ( pageStats.thirdpartyScript ) { |
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pageStats.recordRequest('script', pageURL + '{3rd-party_scripts}', pageStats.pageScriptBlocked); |
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if ( pageStore.thirdpartyScript ) { |
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pageStore.recordRequest( |
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'script', |
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pageStore.pageURL + '{3rd-party_scripts}', |
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pageStore.pageScriptBlocked |
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); |
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} |
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}; |
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@ -609,7 +648,7 @@ vAPI.tabs.registerListeners(); |
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var i = chromeTabs.length; |
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while ( i-- ) { |
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tabId = chromeTabs[i].id; |
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if ( µm.tabExists(tabId) ) { |
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if ( µm.pageStores.hasOwnProperty(tabId) ) { |
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µm.smartReloadTab(tabId); |
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} |
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} |
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@ -627,7 +666,7 @@ vAPI.tabs.registerListeners(); |
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// Reload content of a tab
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µm.smartReloadTab = function(tabId) { |
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var pageStats = this.pageStatsFromTabId(tabId); |
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|
var pageStats = this.pageStoreFromTabId(tabId); |
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|
|
if ( !pageStats ) { |
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//console.error('HTTP Switchboard> µMatrix.smartReloadTab(): page stats for tab id %d not found', tabId);
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return; |
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@ -691,20 +730,8 @@ vAPI.tabs.registerListeners(); |
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/******************************************************************************/ |
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|
// Required since not all tabs are of interests to HTTP Switchboard.
|
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|
// Examples:
|
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// `chrome://extensions/`
|
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// `chrome-devtools://devtools/devtools.html`
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|
// etc.
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|
µm.tabExists = function(tabId) { |
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|
return !!this.pageUrlFromTabId(tabId); |
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|
}; |
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|
/******************************************************************************/ |
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µm.computeTabState = function(tabId) { |
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|
var pageStats = this.pageStatsFromTabId(tabId); |
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|
|
var pageStats = this.pageStoreFromTabId(tabId); |
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|
|
if ( !pageStats ) { |
|
|
|
//console.error('tab.js > µMatrix.computeTabState(): page stats for tab id %d not found', tabId);
|
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|
return {}; |
|
|
|
@ -738,36 +765,8 @@ vAPI.tabs.registerListeners(); |
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|
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|
|
/******************************************************************************/ |
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|
|
|
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|
|
µm.pageUrlFromTabId = function(tabId) { |
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|
|
return this.tabIdToPageUrl[tabId]; |
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|
|
}; |
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|
|
|
|
|
|
µm.pageUrlFromPageStats = function(pageStats) { |
|
|
|
if ( pageStats ) { |
|
|
|
return pageStats.pageUrl; |
|
|
|
} |
|
|
|
return undefined; |
|
|
|
}; |
|
|
|
|
|
|
|
µm.pageStatsFromTabId = function(tabId) { |
|
|
|
var pageUrl = this.tabIdToPageUrl[tabId]; |
|
|
|
if ( pageUrl ) { |
|
|
|
return this.pageStats[pageUrl]; |
|
|
|
} |
|
|
|
return undefined; |
|
|
|
}; |
|
|
|
|
|
|
|
µm.pageStatsFromPageUrl = function(pageURL) { |
|
|
|
if ( pageURL ) { |
|
|
|
return this.pageStats[this.normalizePageURL(pageURL)]; |
|
|
|
} |
|
|
|
return null; |
|
|
|
}; |
|
|
|
|
|
|
|
/******************************************************************************/ |
|
|
|
|
|
|
|
µm.resizeLogBuffers = function(size) { |
|
|
|
var pageStores = this.pageStats; |
|
|
|
var pageStores = this.pageStores; |
|
|
|
for ( var pageURL in pageStores ) { |
|
|
|
if ( pageStores.hasOwnProperty(pageURL) ) { |
|
|
|
pageStores[pageURL].requests.resizeLogBuffer(size); |
|
|
|
@ -783,58 +782,4 @@ vAPI.tabs.registerListeners(); |
|
|
|
|
|
|
|
/******************************************************************************/ |
|
|
|
|
|
|
|
// Garbage collect stale url stats entries
|
|
|
|
(function() { |
|
|
|
var gcPageStats = function() { |
|
|
|
var pageStore; |
|
|
|
var now = Date.now(); |
|
|
|
for ( var pageURL in µm.pageStats ) { |
|
|
|
if ( µm.pageStats.hasOwnProperty(pageURL) === false ) { |
|
|
|
continue; |
|
|
|
} |
|
|
|
pageStore = µm.pageStats[pageURL]; |
|
|
|
if ( pageStore.boundCount !== 0 ) { |
|
|
|
continue; |
|
|
|
} |
|
|
|
if ( pageStore.obsoleteAfter > now ) { |
|
|
|
continue; |
|
|
|
} |
|
|
|
µm.cookieHunter.removePageCookies(pageStore); |
|
|
|
pageStore.dispose(); |
|
|
|
delete µm.pageStats[pageURL]; |
|
|
|
} |
|
|
|
|
|
|
|
// Prune content of chromium-behind-the-scene virtual tab
|
|
|
|
// When `suggest-as-you-type` is on in Chromium, this can lead to a
|
|
|
|
// LOT of uninteresting behind the scene requests.
|
|
|
|
pageStore = µm.pageStats[µm.behindTheSceneURL]; |
|
|
|
if ( !pageStore ) { |
|
|
|
return; |
|
|
|
} |
|
|
|
var reqKeys = pageStore.requests.getRequestKeys(); |
|
|
|
if ( reqKeys.length <= µm.behindTheSceneMaxReq ) { |
|
|
|
return; |
|
|
|
} |
|
|
|
reqKeys = reqKeys.sort(function(a,b){ |
|
|
|
return pageStore.requests[b] - pageStore.requests[a]; |
|
|
|
}).slice(µm.behindTheSceneMaxReq); |
|
|
|
var iReqKey = reqKeys.length; |
|
|
|
while ( iReqKey-- ) { |
|
|
|
pageStore.requests.disposeOne(reqKeys[iReqKey]); |
|
|
|
} |
|
|
|
}; |
|
|
|
|
|
|
|
// Time somewhat arbitrary: If a web page has not been in a tab
|
|
|
|
// for some time minutes, flush its stats.
|
|
|
|
µm.asyncJobs.add( |
|
|
|
'gcPageStats', |
|
|
|
null, |
|
|
|
gcPageStats, |
|
|
|
(2.5 * 60 * 1000) | 0, |
|
|
|
true |
|
|
|
); |
|
|
|
})(); |
|
|
|
|
|
|
|
/******************************************************************************/ |
|
|
|
|
|
|
|
})(); |
gorhill
10 years ago