The Tor Browser: layout/build/nsLayoutStatics.cpp@97036ab72558 (annotated)

layout/build/nsLayoutStatics.cpp@97036ab72558 (annotated)

layout/build/nsLayoutStatics.cpp

Tue, 06 Jan 2015 21:39:09 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Tue, 06 Jan 2015 21:39:09 +0100
branch: TOR_BUG_9701
changeset 8: 97036ab72558
permissions: -rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "base/basictypes.h"
 #include "nsLayoutStatics.h"
 #include "nscore.h"
 #include "nsAttrValue.h"
 #include "nsAutoCopyListener.h"
 #include "nsColorNames.h"
 #include "nsComputedDOMStyle.h"
 #include "nsContentDLF.h"
 #include "nsContentUtils.h"
 #include "nsCSSAnonBoxes.h"
 #include "mozilla/css/ErrorReporter.h"
 #include "nsCSSKeywords.h"
 #include "nsCSSParser.h"
 #include "nsCSSProps.h"
 #include "nsCSSPseudoClasses.h"
 #include "nsCSSPseudoElements.h"
 #include "nsCSSRendering.h"
 #include "mozilla/dom/Attr.h"
 #include "nsDOMClassInfo.h"
 #include "nsEditorEventListener.h"
 #include "mozilla/EventListenerManager.h"
 #include "nsFrame.h"
 #include "nsGlobalWindow.h"
 #include "nsGkAtoms.h"
 #include "nsImageFrame.h"
 #include "nsLayoutStylesheetCache.h"
 #include "nsNodeInfo.h"
 #include "nsRange.h"
 #include "nsRegion.h"
 #include "nsRepeatService.h"
 #include "nsFloatManager.h"
 #include "nsSprocketLayout.h"
 #include "nsStackLayout.h"
 #include "nsStyleSet.h"
 #include "nsTextControlFrame.h"
 #include "nsXBLService.h"
 #include "txMozillaXSLTProcessor.h"
 #include "nsTreeSanitizer.h"
 #include "nsCellMap.h"
 #include "nsTextFrame.h"
 #include "nsCCUncollectableMarker.h"
 #include "nsTextFragment.h"
 #include "nsCSSRuleProcessor.h"
 #include "nsCrossSiteListenerProxy.h"
 #include "nsHTMLDNSPrefetch.h"
 #include "nsHtml5Module.h"
 #include "mozilla/dom/FallbackEncoding.h"
 #include "nsFocusManager.h"
 #include "nsListControlFrame.h"
 #include "mozilla/dom/HTMLInputElement.h"
 #include "SVGElementFactory.h"
 #include "nsSVGUtils.h"
 #include "nsMathMLAtoms.h"
 #include "nsMathMLOperators.h"
 #include "Navigator.h"
 #include "DOMStorageObserver.h"
 #include "CacheObserver.h"
 #include "DisplayItemClip.h"
 #include "ActiveLayerTracker.h"
 #include "AudioChannelService.h"
 #ifdef MOZ_XUL
 #include "nsXULPopupManager.h"
 #include "nsXULContentUtils.h"
 #include "nsXULPrototypeCache.h"
 #include "nsXULTooltipListener.h"
 #include "inDOMView.h"
 #include "nsMenuBarListener.h"
 #endif
 #include "nsHTMLEditor.h"
 #include "nsTextServicesDocument.h"
 #ifdef MOZ_WEBSPEECH
 #include "nsSynthVoiceRegistry.h"
 #endif
 #ifdef MOZ_MEDIA_PLUGINS
 #include "MediaPluginHost.h"
 #endif
 #ifdef MOZ_WMF
 #include "WMFDecoder.h"
 #endif
 #ifdef MOZ_GSTREAMER
 #include "GStreamerFormatHelper.h"
 #endif
 #ifdef MOZ_FFMPEG
 #include "FFmpegRuntimeLinker.h"
 #endif
 #include "AudioStream.h"
 #include "Latency.h"
 #include "WebAudioUtils.h"
 #ifdef MOZ_WIDGET_GONK
 #include "nsVolumeService.h"
 #include "SpeakerManagerService.h"
 using namespace mozilla::system;
 #endif
 #include "nsError.h"
 #include "nsJSEnvironment.h"
 #include "nsContentSink.h"
 #include "nsFrameMessageManager.h"
 #include "nsRefreshDriver.h"
 #include "nsDOMMutationObserver.h"
 #include "nsHyphenationManager.h"
 #include "nsEditorSpellCheck.h"
 #include "nsWindowMemoryReporter.h"
 #include "mozilla/dom/ContentParent.h"
 #include "mozilla/ProcessPriorityManager.h"
 #include "nsPermissionManager.h"
 #include "nsCookieService.h"
 #include "nsApplicationCacheService.h"
 #include "mozilla/dom/time/DateCacheCleaner.h"
 #include "mozilla/EventDispatcher.h"
 #include "mozilla/IMEStateManager.h"
 #include "nsDocument.h"
 #include "mozilla/dom/HTMLVideoElement.h"
 using namespace mozilla;
 using namespace mozilla::net;
 using namespace mozilla::dom;
 using namespace mozilla::dom::ipc;
 nsrefcnt nsLayoutStatics::sLayoutStaticRefcnt = 0;
 nsresult
 nsLayoutStatics::Initialize()
 {
   NS_ASSERTION(sLayoutStaticRefcnt == 0,
                "nsLayoutStatics isn't zero!");
   sLayoutStaticRefcnt = 1;
   NS_LOG_ADDREF(&sLayoutStaticRefcnt, sLayoutStaticRefcnt,
                 "nsLayoutStatics", 1);
   nsresult rv;
   ContentParent::StartUp();
   // Register all of our atoms once
   nsCSSAnonBoxes::AddRefAtoms();
   nsCSSPseudoClasses::AddRefAtoms();
   nsCSSPseudoElements::AddRefAtoms();
   nsCSSKeywords::AddRefTable();
   nsCSSProps::AddRefTable();
   nsColorNames::AddRefTable();
   nsGkAtoms::AddRefAtoms();
   StartupJSEnvironment();
   rv = nsRegion::InitStatic();
   if (NS_FAILED(rv)) {
     NS_ERROR("Could not initialize nsRegion");
     return rv;
   }
   nsGlobalWindow::Init();
   Navigator::Init();
   nsXBLService::Init();
   rv = nsContentUtils::Init();
   if (NS_FAILED(rv)) {
     NS_ERROR("Could not initialize nsContentUtils");
     return rv;
   }
   rv = nsAttrValue::Init();
   if (NS_FAILED(rv)) {
     NS_ERROR("Could not initialize nsAttrValue");
     return rv;
   }
   rv = nsTextFragment::Init();
   if (NS_FAILED(rv)) {
     NS_ERROR("Could not initialize nsTextFragment");
     return rv;
   }
   nsCellMap::Init();
   nsCSSRendering::Init();
   nsTextFrameTextRunCache::Init();
   rv = nsHTMLDNSPrefetch::Initialize();
   if (NS_FAILED(rv)) {
     NS_ERROR("Could not initialize HTML DNS prefetch");
     return rv;
   }
 #ifdef MOZ_XUL
   rv = nsXULContentUtils::Init();
   if (NS_FAILED(rv)) {
     NS_ERROR("Could not initialize nsXULContentUtils");
     return rv;
   }
 #endif
   nsMathMLOperators::AddRefTable();
   nsEditProperty::RegisterAtoms();
   nsTextServicesDocument::RegisterAtoms();
 #ifdef DEBUG
   nsFrame::DisplayReflowStartup();
 #endif
   Attr::Initialize();
   rv = txMozillaXSLTProcessor::Startup();
   if (NS_FAILED(rv)) {
     NS_ERROR("Could not initialize txMozillaXSLTProcessor");
     return rv;
   }
   rv = DOMStorageObserver::Init();
   if (NS_FAILED(rv)) {
     NS_ERROR("Could not initialize DOMStorageObserver");
     return rv;
   }
   rv = nsCCUncollectableMarker::Init();
   if (NS_FAILED(rv)) {
     NS_ERROR("Could not initialize nsCCUncollectableMarker");
     return rv;
   }
   rv = nsCSSRuleProcessor::Startup();
   if (NS_FAILED(rv)) {
     NS_ERROR("Could not initialize nsCSSRuleProcessor");
     return rv;
   }
 #ifdef MOZ_XUL
   rv = nsXULPopupManager::Init();
   if (NS_FAILED(rv)) {
     NS_ERROR("Could not initialize nsXULPopupManager");
     return rv;
   }
 #endif
   rv = nsFocusManager::Init();
   if (NS_FAILED(rv)) {
     NS_ERROR("Could not initialize nsFocusManager");
     return rv;
   }
   AsyncLatencyLogger::InitializeStatics();
   AudioStream::InitLibrary();
   nsContentSink::InitializeStatics();
   nsHtml5Module::InitializeStatics();
   mozilla::dom::FallbackEncoding::Initialize();
   nsLayoutUtils::Initialize();
   nsIPresShell::InitializeStatics();
   nsRefreshDriver::InitializeStatics();
   nsCORSListenerProxy::Startup();
   NS_SealStaticAtomTable();
   nsWindowMemoryReporter::Init();
   SVGElementFactory::Init();
   nsSVGUtils::Init();
   ProcessPriorityManager::Init();
   nsPermissionManager::AppClearDataObserverInit();
   nsCookieService::AppClearDataObserverInit();
   nsApplicationCacheService::AppClearDataObserverInit();
   HTMLVideoElement::Init();
 #ifdef MOZ_XUL
   nsMenuBarListener::InitializeStatics();
 #endif
   CacheObserver::Init();
   return NS_OK;
 }
 void
 nsLayoutStatics::Shutdown()
 {
   // Don't need to shutdown nsWindowMemoryReporter, that will be done by the
   // memory reporter manager.
   nsFrameScriptExecutor::Shutdown();
   nsFocusManager::Shutdown();
 #ifdef MOZ_XUL
   nsXULPopupManager::Shutdown();
 #endif
   DOMStorageObserver::Shutdown();
   txMozillaXSLTProcessor::Shutdown();
   Attr::Shutdown();
   EventListenerManager::Shutdown();
   IMEStateManager::Shutdown();
   nsComputedDOMStyle::Shutdown();
   nsCSSParser::Shutdown();
   nsCSSRuleProcessor::Shutdown();
   nsTextFrameTextRunCache::Shutdown();
   nsHTMLDNSPrefetch::Shutdown();
   nsCSSRendering::Shutdown();
 #ifdef DEBUG
   nsFrame::DisplayReflowShutdown();
 #endif
   nsCellMap::Shutdown();
   ActiveLayerTracker::Shutdown();
   // Release all of our atoms
   nsColorNames::ReleaseTable();
   nsCSSProps::ReleaseTable();
   nsCSSKeywords::ReleaseTable();
   nsRepeatService::Shutdown();
   nsStackLayout::Shutdown();
   nsBox::Shutdown();
 #ifdef MOZ_XUL
   nsXULContentUtils::Finish();
   nsXULPrototypeCache::ReleaseGlobals();
   nsSprocketLayout::Shutdown();
 #endif
   SVGElementFactory::Shutdown();
   nsMathMLOperators::ReleaseTable();
   nsFloatManager::Shutdown();
   nsImageFrame::ReleaseGlobals();
   mozilla::css::ErrorReporter::ReleaseGlobals();
   nsTextFragment::Shutdown();
   nsAttrValue::Shutdown();
   nsContentUtils::Shutdown();
   nsLayoutStylesheetCache::Shutdown();
   ShutdownJSEnvironment();
   nsGlobalWindow::ShutDown();
   nsDOMClassInfo::ShutDown();
   nsListControlFrame::Shutdown();
   nsXBLService::Shutdown();
   nsAutoCopyListener::Shutdown();
   FrameLayerBuilder::Shutdown();
 #ifdef MOZ_MEDIA_PLUGINS
   MediaPluginHost::Shutdown();
 #endif
 #ifdef MOZ_GSTREAMER
   GStreamerFormatHelper::Shutdown();
 #endif
 #ifdef MOZ_FFMPEG
   FFmpegRuntimeLinker::Unlink();
 #endif
   AudioStream::ShutdownLibrary();
   AsyncLatencyLogger::ShutdownLogger();
   WebAudioUtils::Shutdown();
 #ifdef MOZ_WMF
   WMFDecoder::UnloadDLLs();
 #endif
 #ifdef MOZ_WIDGET_GONK
   nsVolumeService::Shutdown();
   SpeakerManagerService::Shutdown();
 #endif
 #ifdef MOZ_WEBSPEECH
   nsSynthVoiceRegistry::Shutdown();
 #endif
   nsCORSListenerProxy::Shutdown();
   nsIPresShell::ReleaseStatics();
   nsTreeSanitizer::ReleaseStatics();
   nsHtml5Module::ReleaseStatics();
   mozilla::dom::FallbackEncoding::Shutdown();
   nsRegion::ShutdownStatic();
   mozilla::EventDispatcher::Shutdown();
   HTMLInputElement::DestroyUploadLastDir();
   nsLayoutUtils::Shutdown();
   nsHyphenationManager::Shutdown();
   nsDOMMutationObserver::Shutdown();
   AudioChannelService::Shutdown();
   ContentParent::ShutDown();
   nsRefreshDriver::Shutdown();
   DisplayItemClip::Shutdown();
   nsDocument::XPCOMShutdown();
   CacheObserver::Shutdown();
 }

The Tor Browser / annotate

layout/build/nsLayoutStatics.cpp@97036ab72558 (annotated)

layout/build/nsLayoutStatics.cpp