forked from mirrors/gecko-dev
5688 lines
178 KiB
C++
5688 lines
178 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/DebugOnly.h"
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#include "base/basictypes.h"
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#include "base/shared_memory.h"
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#include "ContentParent.h"
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#include "TabParent.h"
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#if defined(ANDROID) || defined(LINUX)
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# include <sys/time.h>
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# include <sys/resource.h>
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#endif
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#include "chrome/common/process_watcher.h"
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#include "mozilla/a11y/PDocAccessible.h"
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#include "GeckoProfiler.h"
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#include "GMPServiceParent.h"
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#include "HandlerServiceParent.h"
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#include "IHistory.h"
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#include "imgIContainer.h"
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#if defined(XP_WIN) && defined(ACCESSIBILITY)
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#include "mozilla/a11y/AccessibleWrap.h"
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#include "mozilla/a11y/Compatibility.h"
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#endif
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#include "mozilla/BasePrincipal.h"
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/StyleSheetInlines.h"
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#include "mozilla/DataStorage.h"
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#include "mozilla/devtools/HeapSnapshotTempFileHelperParent.h"
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#include "mozilla/docshell/OfflineCacheUpdateParent.h"
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#include "mozilla/dom/ClientManager.h"
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#include "mozilla/dom/ClientOpenWindowOpActors.h"
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#include "mozilla/dom/DataTransfer.h"
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#include "mozilla/dom/Element.h"
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#include "mozilla/dom/File.h"
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#include "mozilla/dom/FileCreatorHelper.h"
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#include "mozilla/dom/FileSystemSecurity.h"
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#include "mozilla/dom/IPCBlobUtils.h"
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#include "mozilla/dom/ExternalHelperAppParent.h"
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#include "mozilla/dom/GetFilesHelper.h"
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#include "mozilla/dom/GeolocationBinding.h"
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#include "mozilla/dom/MemoryReportRequest.h"
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#include "mozilla/dom/Notification.h"
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#include "mozilla/dom/PContentBridgeParent.h"
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#include "mozilla/dom/PContentPermissionRequestParent.h"
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#include "mozilla/dom/PCycleCollectWithLogsParent.h"
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#include "mozilla/dom/ServiceWorkerRegistrar.h"
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#include "mozilla/dom/power/PowerManagerService.h"
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#include "mozilla/dom/Permissions.h"
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#include "mozilla/dom/PresentationParent.h"
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#include "mozilla/dom/PPresentationParent.h"
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#include "mozilla/dom/PushNotifier.h"
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#include "mozilla/dom/quota/QuotaManagerService.h"
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#include "mozilla/dom/URLClassifierParent.h"
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#include "mozilla/embedding/printingui/PrintingParent.h"
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#include "mozilla/extensions/StreamFilterParent.h"
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#include "mozilla/gfx/gfxVars.h"
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#include "mozilla/gfx/GPUProcessManager.h"
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#include "mozilla/hal_sandbox/PHalParent.h"
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#include "mozilla/ipc/BackgroundChild.h"
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#include "mozilla/ipc/BackgroundParent.h"
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#include "mozilla/ipc/CrashReporterHost.h"
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#include "mozilla/ipc/FileDescriptorUtils.h"
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#include "mozilla/ipc/PChildToParentStreamParent.h"
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#include "mozilla/ipc/TestShellParent.h"
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#include "mozilla/ipc/IPCStreamUtils.h"
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#include "mozilla/intl/LocaleService.h"
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#include "mozilla/jsipc/CrossProcessObjectWrappers.h"
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#include "mozilla/layers/PAPZParent.h"
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#include "mozilla/layers/CompositorThread.h"
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#include "mozilla/layers/ImageBridgeParent.h"
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#include "mozilla/layers/LayerTreeOwnerTracker.h"
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#include "mozilla/layout/RenderFrameParent.h"
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#include "mozilla/loader/ScriptCacheActors.h"
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#include "mozilla/LoginReputationIPC.h"
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#include "mozilla/LookAndFeel.h"
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#include "mozilla/media/MediaParent.h"
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#include "mozilla/Move.h"
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#include "mozilla/net/NeckoParent.h"
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#include "mozilla/net/CookieServiceParent.h"
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#include "mozilla/net/PCookieServiceParent.h"
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#include "mozilla/plugins/PluginBridge.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/ProcessHangMonitor.h"
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#include "mozilla/ProcessHangMonitorIPC.h"
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#include "mozilla/Scheduler.h"
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#include "mozilla/ScopeExit.h"
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#include "mozilla/ScriptPreloader.h"
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#include "mozilla/Services.h"
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#include "mozilla/StaticPtr.h"
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#include "mozilla/Telemetry.h"
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#include "mozilla/TelemetryIPC.h"
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#include "mozilla/WebBrowserPersistDocumentParent.h"
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#include "mozilla/widget/ScreenManager.h"
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#include "mozilla/Unused.h"
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#include "mozilla/HangDetails.h"
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#include "nsAnonymousTemporaryFile.h"
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#include "nsAppRunner.h"
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#include "nsCDefaultURIFixup.h"
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#include "nsCExternalHandlerService.h"
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#include "nsCOMPtr.h"
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#include "nsChromeRegistryChrome.h"
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#include "nsConsoleMessage.h"
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#include "nsConsoleService.h"
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#include "nsContentUtils.h"
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#include "nsDebugImpl.h"
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#include "nsFrameLoader.h"
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#include "nsFrameMessageManager.h"
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#include "nsHashPropertyBag.h"
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#include "nsIAlertsService.h"
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#include "nsIClipboard.h"
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#include "nsICookie.h"
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#include "nsContentPermissionHelper.h"
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#include "nsIContentProcess.h"
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#include "nsICycleCollectorListener.h"
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#include "nsIDocShellTreeOwner.h"
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#include "nsIDocument.h"
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#include "nsIDOMGeoGeolocation.h"
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#include "nsIDOMGeoPositionError.h"
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#include "nsIDragService.h"
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#include "mozilla/dom/WakeLock.h"
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#include "nsIDOMWindow.h"
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#include "nsIExternalProtocolService.h"
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#include "nsIFormProcessor.h"
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#include "nsIGfxInfo.h"
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#include "nsIIdleService.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIMemoryInfoDumper.h"
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#include "nsIMemoryReporter.h"
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#include "nsIMozBrowserFrame.h"
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#include "nsIMutable.h"
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#include "nsIObserverService.h"
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#include "nsIParentChannel.h"
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#include "nsIPresShell.h"
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#include "nsIRemoteWindowContext.h"
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#include "nsIScriptError.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsISiteSecurityService.h"
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#include "nsISound.h"
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#include "nsISpellChecker.h"
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#include "nsISupportsPrimitives.h"
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#include "nsITimer.h"
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#include "nsIURIFixup.h"
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#include "nsIURL.h"
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#include "nsIDocShellTreeOwner.h"
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#include "nsIXULWindow.h"
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#include "nsIDOMChromeWindow.h"
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#include "nsIWindowWatcher.h"
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#include "nsPIWindowWatcher.h"
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#include "nsThread.h"
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#include "nsWindowWatcher.h"
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#include "nsIXULRuntime.h"
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#include "mozilla/dom/nsMixedContentBlocker.h"
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#include "nsMemoryInfoDumper.h"
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#include "nsMemoryReporterManager.h"
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#include "nsScriptError.h"
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#include "nsServiceManagerUtils.h"
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#include "nsStyleSheetService.h"
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#include "nsThreadUtils.h"
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#include "nsToolkitCompsCID.h"
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#include "nsWidgetsCID.h"
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#include "PreallocatedProcessManager.h"
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#include "ProcessPriorityManager.h"
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#include "SandboxHal.h"
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#include "SourceSurfaceRawData.h"
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#include "TabParent.h"
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#include "URIUtils.h"
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#include "nsIWebBrowserChrome.h"
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#include "nsIDocShell.h"
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#include "nsDocShell.h"
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#include "nsOpenURIInFrameParams.h"
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#include "mozilla/net/NeckoMessageUtils.h"
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#include "gfxPlatform.h"
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#include "gfxPrefs.h"
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#include "prio.h"
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#include "private/pprio.h"
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#include "ContentProcessManager.h"
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#include "mozilla/dom/ipc/StructuredCloneData.h"
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#include "mozilla/psm/PSMContentListener.h"
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#include "nsPluginHost.h"
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#include "nsPluginTags.h"
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#include "nsIBlocklistService.h"
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#include "mozilla/StyleSheet.h"
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#include "mozilla/StyleSheetInlines.h"
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#include "nsHostObjectProtocolHandler.h"
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#include "nsICaptivePortalService.h"
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#include "nsIObjectLoadingContent.h"
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#include "nsIBidiKeyboard.h"
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#include "nsLayoutStylesheetCache.h"
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#include "ContentPrefs.h"
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#include "mozilla/Sprintf.h"
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#ifdef MOZ_WEBRTC
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#include "signaling/src/peerconnection/WebrtcGlobalParent.h"
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#endif
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#if defined(ANDROID) || defined(LINUX)
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#include "nsSystemInfo.h"
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#endif
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#if defined(XP_LINUX)
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#include "mozilla/Hal.h"
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#endif
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#ifdef ANDROID
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# include "gfxAndroidPlatform.h"
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#endif
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# include "nsPermissionManager.h"
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#ifdef MOZ_WIDGET_ANDROID
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# include "AndroidBridge.h"
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#endif
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#ifdef MOZ_WIDGET_GTK
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#include <gdk/gdk.h>
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#endif
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#include "mozilla/RemoteSpellCheckEngineParent.h"
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#include "Crypto.h"
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#ifdef MOZ_WEBSPEECH
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#include "mozilla/dom/SpeechSynthesisParent.h"
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#endif
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#if defined(MOZ_CONTENT_SANDBOX)
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#include "mozilla/SandboxSettings.h"
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#if defined(XP_LINUX)
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#include "mozilla/SandboxInfo.h"
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#include "mozilla/SandboxBroker.h"
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#include "mozilla/SandboxBrokerPolicyFactory.h"
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#endif
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#endif
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#ifdef MOZ_TOOLKIT_SEARCH
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#include "nsIBrowserSearchService.h"
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#endif
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#ifdef XP_WIN
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#include "mozilla/audio/AudioNotificationSender.h"
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#include "mozilla/widget/AudioSession.h"
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#endif
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#ifdef ACCESSIBILITY
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#include "nsAccessibilityService.h"
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#endif
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#ifdef MOZ_GECKO_PROFILER
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#include "nsIProfiler.h"
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#include "ProfilerParent.h"
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#endif
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#ifdef MOZ_CODE_COVERAGE
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#include "mozilla/CodeCoverageHandler.h"
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#endif
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// For VP9Benchmark::sBenchmarkFpsPref
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#include "Benchmark.h"
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static NS_DEFINE_CID(kCClipboardCID, NS_CLIPBOARD_CID);
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using base::KillProcess;
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using namespace CrashReporter;
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using namespace mozilla::dom::power;
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using namespace mozilla::media;
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using namespace mozilla::embedding;
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using namespace mozilla::gfx;
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using namespace mozilla::gmp;
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using namespace mozilla::hal;
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using namespace mozilla::ipc;
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using namespace mozilla::intl;
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using namespace mozilla::layers;
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using namespace mozilla::layout;
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using namespace mozilla::net;
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using namespace mozilla::jsipc;
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using namespace mozilla::psm;
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using namespace mozilla::widget;
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using mozilla::loader::PScriptCacheParent;
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using mozilla::Telemetry::ProcessID;
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// XXX Workaround for bug 986973 to maintain the existing broken semantics
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template<>
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struct nsIConsoleService::COMTypeInfo<nsConsoleService, void> {
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static const nsIID kIID;
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};
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const nsIID nsIConsoleService::COMTypeInfo<nsConsoleService, void>::kIID = NS_ICONSOLESERVICE_IID;
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namespace mozilla {
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namespace CubebUtils {
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extern FileDescriptor CreateAudioIPCConnection();
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}
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namespace dom {
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#define NS_IPC_IOSERVICE_SET_OFFLINE_TOPIC "ipc:network:set-offline"
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#define NS_IPC_IOSERVICE_SET_CONNECTIVITY_TOPIC "ipc:network:set-connectivity"
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// IPC receiver for remote GC/CC logging.
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class CycleCollectWithLogsParent final : public PCycleCollectWithLogsParent
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{
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public:
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~CycleCollectWithLogsParent()
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{
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MOZ_COUNT_DTOR(CycleCollectWithLogsParent);
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}
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static bool AllocAndSendConstructor(ContentParent* aManager,
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bool aDumpAllTraces,
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nsICycleCollectorLogSink* aSink,
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nsIDumpGCAndCCLogsCallback* aCallback)
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{
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CycleCollectWithLogsParent *actor;
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FILE* gcLog;
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FILE* ccLog;
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nsresult rv;
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actor = new CycleCollectWithLogsParent(aSink, aCallback);
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rv = actor->mSink->Open(&gcLog, &ccLog);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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delete actor;
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return false;
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}
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return aManager->
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SendPCycleCollectWithLogsConstructor(actor,
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aDumpAllTraces,
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FILEToFileDescriptor(gcLog),
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FILEToFileDescriptor(ccLog));
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}
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private:
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virtual mozilla::ipc::IPCResult RecvCloseGCLog() override
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{
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Unused << mSink->CloseGCLog();
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult RecvCloseCCLog() override
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{
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Unused << mSink->CloseCCLog();
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult Recv__delete__() override
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{
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// Report completion to mCallback only on successful
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// completion of the protocol.
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nsCOMPtr<nsIFile> gcLog, ccLog;
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mSink->GetGcLog(getter_AddRefs(gcLog));
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mSink->GetCcLog(getter_AddRefs(ccLog));
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Unused << mCallback->OnDump(gcLog, ccLog, /* parent = */ false);
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return IPC_OK();
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}
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virtual void ActorDestroy(ActorDestroyReason aReason) override
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{
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// If the actor is unexpectedly destroyed, we deliberately
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// don't call Close[GC]CLog on the sink, because the logs may
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// be incomplete. See also the nsCycleCollectorLogSinkToFile
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// implementaiton of those methods, and its destructor.
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}
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CycleCollectWithLogsParent(nsICycleCollectorLogSink *aSink,
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nsIDumpGCAndCCLogsCallback *aCallback)
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: mSink(aSink), mCallback(aCallback)
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{
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MOZ_COUNT_CTOR(CycleCollectWithLogsParent);
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}
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nsCOMPtr<nsICycleCollectorLogSink> mSink;
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nsCOMPtr<nsIDumpGCAndCCLogsCallback> mCallback;
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};
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// A memory reporter for ContentParent objects themselves.
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class ContentParentsMemoryReporter final : public nsIMemoryReporter
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{
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~ContentParentsMemoryReporter() {}
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIMEMORYREPORTER
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};
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NS_IMPL_ISUPPORTS(ContentParentsMemoryReporter, nsIMemoryReporter)
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NS_IMETHODIMP
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ContentParentsMemoryReporter::CollectReports(
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nsIHandleReportCallback* aHandleReport,
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nsISupports* aData,
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bool aAnonymize)
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{
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AutoTArray<ContentParent*, 16> cps;
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ContentParent::GetAllEvenIfDead(cps);
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for (uint32_t i = 0; i < cps.Length(); i++) {
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ContentParent* cp = cps[i];
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MessageChannel* channel = cp->GetIPCChannel();
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nsString friendlyName;
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cp->FriendlyName(friendlyName, aAnonymize);
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cp->AddRef();
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nsrefcnt refcnt = cp->Release();
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const char* channelStr = "no channel";
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uint32_t numQueuedMessages = 0;
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if (channel) {
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if (channel->Unsound_IsClosed()) {
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channelStr = "closed channel";
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} else {
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channelStr = "open channel";
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}
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numQueuedMessages = channel->Unsound_NumQueuedMessages();
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}
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nsPrintfCString path("queued-ipc-messages/content-parent"
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"(%s, pid=%d, %s, 0x%p, refcnt=%" PRIuPTR ")",
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NS_ConvertUTF16toUTF8(friendlyName).get(),
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cp->Pid(), channelStr,
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static_cast<nsIContentParent*>(cp), refcnt);
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NS_NAMED_LITERAL_CSTRING(desc,
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"The number of unset IPC messages held in this ContentParent's "
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"channel. A large value here might indicate that we're leaking "
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"messages. Similarly, a ContentParent object for a process that's no "
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"longer running could indicate that we're leaking ContentParents.");
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aHandleReport->Callback(/* process */ EmptyCString(), path,
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KIND_OTHER, UNITS_COUNT,
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numQueuedMessages, desc, aData);
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}
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return NS_OK;
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}
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nsClassHashtable<nsStringHashKey, nsTArray<ContentParent*>>* ContentParent::sBrowserContentParents;
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namespace {
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class ScriptableCPInfo final : public nsIContentProcessInfo
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{
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public:
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explicit ScriptableCPInfo(ContentParent* aParent)
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: mContentParent(aParent)
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{
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MOZ_ASSERT(mContentParent);
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}
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NS_DECL_ISUPPORTS
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NS_DECL_NSICONTENTPROCESSINFO
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void ProcessDied()
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{
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mContentParent = nullptr;
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}
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private:
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~ScriptableCPInfo()
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{
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MOZ_ASSERT(!mContentParent, "must call ProcessDied");
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}
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ContentParent* mContentParent;
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};
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NS_IMPL_ISUPPORTS(ScriptableCPInfo, nsIContentProcessInfo)
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NS_IMETHODIMP
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ScriptableCPInfo::GetIsAlive(bool* aIsAlive)
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{
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*aIsAlive = mContentParent != nullptr;
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return NS_OK;
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}
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NS_IMETHODIMP
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ScriptableCPInfo::GetProcessId(int32_t* aPID)
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{
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if (!mContentParent) {
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*aPID = -1;
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
}
|
|
|
|
*aPID = mContentParent->Pid();
|
|
if (*aPID == -1) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
ScriptableCPInfo::GetOpener(nsIContentProcessInfo** aInfo)
|
|
{
|
|
*aInfo = nullptr;
|
|
if (!mContentParent) {
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
}
|
|
|
|
if (ContentParent* opener = mContentParent->Opener()) {
|
|
nsCOMPtr<nsIContentProcessInfo> info = opener->ScriptableHelper();
|
|
info.forget(aInfo);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
ScriptableCPInfo::GetTabCount(int32_t* aTabCount)
|
|
{
|
|
if (!mContentParent) {
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
}
|
|
|
|
ContentProcessManager* cpm = ContentProcessManager::GetSingleton();
|
|
*aTabCount = cpm->GetTabParentCountByProcessId(mContentParent->ChildID());
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
ScriptableCPInfo::GetMessageManager(nsIMessageSender** aMessenger)
|
|
{
|
|
*aMessenger = nullptr;
|
|
if (!mContentParent) {
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
}
|
|
|
|
nsCOMPtr<nsIMessageSender> manager = mContentParent->GetMessageManager();
|
|
manager.forget(aMessenger);
|
|
return NS_OK;
|
|
}
|
|
|
|
ProcessID
|
|
GetTelemetryProcessID(const nsAString& remoteType)
|
|
{
|
|
// OOP WebExtensions run in a content process.
|
|
// For Telemetry though we want to break out collected data from the WebExtensions process into
|
|
// a separate bucket, to make sure we can analyze it separately and avoid skewing normal content
|
|
// process metrics.
|
|
return remoteType.EqualsLiteral(EXTENSION_REMOTE_TYPE) ? ProcessID::Extension : ProcessID::Content;
|
|
}
|
|
|
|
} // anonymous namespace
|
|
|
|
nsDataHashtable<nsUint32HashKey, ContentParent*>* ContentParent::sJSPluginContentParents;
|
|
nsTArray<ContentParent*>* ContentParent::sPrivateContent;
|
|
StaticAutoPtr<LinkedList<ContentParent> > ContentParent::sContentParents;
|
|
#if defined(XP_LINUX) && defined(MOZ_CONTENT_SANDBOX)
|
|
UniquePtr<SandboxBrokerPolicyFactory> ContentParent::sSandboxBrokerPolicyFactory;
|
|
#endif
|
|
uint64_t ContentParent::sNextTabParentId = 0;
|
|
nsDataHashtable<nsUint64HashKey, TabParent*> ContentParent::sNextTabParents;
|
|
|
|
// This is true when subprocess launching is enabled. This is the
|
|
// case between StartUp() and ShutDown().
|
|
static bool sCanLaunchSubprocesses;
|
|
|
|
// Set to true if the DISABLE_UNSAFE_CPOW_WARNINGS environment variable is
|
|
// set.
|
|
static bool sDisableUnsafeCPOWWarnings = false;
|
|
|
|
// The first content child has ID 1, so the chrome process can have ID 0.
|
|
static uint64_t gContentChildID = 1;
|
|
|
|
static const char* sObserverTopics[] = {
|
|
"xpcom-shutdown",
|
|
"profile-before-change",
|
|
NS_IPC_IOSERVICE_SET_OFFLINE_TOPIC,
|
|
NS_IPC_IOSERVICE_SET_CONNECTIVITY_TOPIC,
|
|
NS_IPC_CAPTIVE_PORTAL_SET_STATE,
|
|
"memory-pressure",
|
|
"child-gc-request",
|
|
"child-cc-request",
|
|
"child-mmu-request",
|
|
"child-ghost-request",
|
|
"last-pb-context-exited",
|
|
"file-watcher-update",
|
|
#ifdef ACCESSIBILITY
|
|
"a11y-init-or-shutdown",
|
|
#endif
|
|
"cacheservice:empty-cache",
|
|
"intl:app-locales-changed",
|
|
"intl:requested-locales-changed",
|
|
"non-js-cookie-changed",
|
|
};
|
|
|
|
// PreallocateProcess is called by the PreallocatedProcessManager.
|
|
// ContentParent then takes this process back within GetNewOrUsedBrowserProcess.
|
|
/*static*/ already_AddRefed<ContentParent>
|
|
ContentParent::PreallocateProcess()
|
|
{
|
|
RefPtr<ContentParent> process =
|
|
new ContentParent(/* aOpener = */ nullptr,
|
|
NS_LITERAL_STRING(DEFAULT_REMOTE_TYPE));
|
|
|
|
PreallocatedProcessManager::AddBlocker(process);
|
|
|
|
if (!process->LaunchSubprocess(PROCESS_PRIORITY_PREALLOC)) {
|
|
return nullptr;
|
|
}
|
|
|
|
process->Init();
|
|
return process.forget();
|
|
}
|
|
|
|
/*static*/ void
|
|
ContentParent::StartUp()
|
|
{
|
|
// We could launch sub processes from content process
|
|
// FIXME Bug 1023701 - Stop using ContentParent static methods in
|
|
// child process
|
|
sCanLaunchSubprocesses = true;
|
|
|
|
if (!XRE_IsParentProcess()) {
|
|
return;
|
|
}
|
|
|
|
// Note: This reporter measures all ContentParents.
|
|
RegisterStrongMemoryReporter(new ContentParentsMemoryReporter());
|
|
|
|
BackgroundChild::Startup();
|
|
ClientManager::Startup();
|
|
|
|
sDisableUnsafeCPOWWarnings = PR_GetEnv("DISABLE_UNSAFE_CPOW_WARNINGS");
|
|
|
|
#if defined(XP_LINUX) && defined(MOZ_CONTENT_SANDBOX)
|
|
sSandboxBrokerPolicyFactory = MakeUnique<SandboxBrokerPolicyFactory>();
|
|
#endif
|
|
}
|
|
|
|
/*static*/ void
|
|
ContentParent::ShutDown()
|
|
{
|
|
// No-op for now. We rely on normal process shutdown and
|
|
// ClearOnShutdown() to clean up our state.
|
|
sCanLaunchSubprocesses = false;
|
|
|
|
#if defined(XP_LINUX) && defined(MOZ_CONTENT_SANDBOX)
|
|
sSandboxBrokerPolicyFactory = nullptr;
|
|
#endif
|
|
}
|
|
|
|
/*static*/ uint32_t
|
|
ContentParent::GetPoolSize(const nsAString& aContentProcessType)
|
|
{
|
|
if (!sBrowserContentParents) {
|
|
return 0;
|
|
}
|
|
|
|
nsTArray<ContentParent*>* parents =
|
|
sBrowserContentParents->Get(aContentProcessType);
|
|
|
|
return parents ? parents->Length() : 0;
|
|
}
|
|
|
|
|
|
/*static*/ nsTArray<ContentParent*>&
|
|
ContentParent::GetOrCreatePool(const nsAString& aContentProcessType)
|
|
{
|
|
if (!sBrowserContentParents) {
|
|
sBrowserContentParents =
|
|
new nsClassHashtable<nsStringHashKey, nsTArray<ContentParent*>>;
|
|
}
|
|
|
|
return *sBrowserContentParents->LookupOrAdd(aContentProcessType);
|
|
}
|
|
|
|
/*static*/ uint32_t
|
|
ContentParent::GetMaxProcessCount(const nsAString& aContentProcessType)
|
|
{
|
|
if (aContentProcessType.EqualsLiteral("web")) {
|
|
return GetMaxWebProcessCount();
|
|
}
|
|
|
|
nsAutoCString processCountPref("dom.ipc.processCount.");
|
|
processCountPref.Append(NS_ConvertUTF16toUTF8(aContentProcessType));
|
|
|
|
int32_t maxContentParents;
|
|
if (NS_FAILED(Preferences::GetInt(processCountPref.get(), &maxContentParents))) {
|
|
maxContentParents = Preferences::GetInt("dom.ipc.processCount", 1);
|
|
}
|
|
|
|
if (maxContentParents < 1) {
|
|
maxContentParents = 1;
|
|
}
|
|
|
|
return static_cast<uint32_t>(maxContentParents);
|
|
}
|
|
|
|
/*static*/ bool
|
|
ContentParent::IsMaxProcessCountReached(const nsAString& aContentProcessType)
|
|
{
|
|
return GetPoolSize(aContentProcessType) >= GetMaxProcessCount(aContentProcessType);
|
|
}
|
|
|
|
/*static*/ void
|
|
ContentParent::ReleaseCachedProcesses()
|
|
{
|
|
if (!GetPoolSize(NS_LITERAL_STRING(DEFAULT_REMOTE_TYPE))) {
|
|
return;
|
|
}
|
|
|
|
// We might want to extend this for other process types as well in the future...
|
|
nsTArray<ContentParent*>& contentParents = GetOrCreatePool(NS_LITERAL_STRING(DEFAULT_REMOTE_TYPE));
|
|
ContentProcessManager* cpm = ContentProcessManager::GetSingleton();
|
|
nsTArray<ContentParent*> toRelease;
|
|
|
|
// Shuting down these processes will change the array so let's use another array for the removal.
|
|
for (auto* cp : contentParents) {
|
|
nsTArray<TabId> tabIds = cpm->GetTabParentsByProcessId(cp->mChildID);
|
|
if (!tabIds.Length()) {
|
|
toRelease.AppendElement(cp);
|
|
}
|
|
}
|
|
|
|
for (auto* cp : toRelease) {
|
|
// Start a soft shutdown.
|
|
cp->ShutDownProcess(SEND_SHUTDOWN_MESSAGE);
|
|
// Make sure we don't select this process for new tabs.
|
|
cp->MarkAsDead();
|
|
// Make sure that this process is no longer accessible from JS by its message manager.
|
|
cp->ShutDownMessageManager();
|
|
}
|
|
}
|
|
|
|
/*static*/ already_AddRefed<ContentParent>
|
|
ContentParent::MinTabSelect(const nsTArray<ContentParent*>& aContentParents,
|
|
ContentParent* aOpener, int32_t aMaxContentParents)
|
|
{
|
|
uint32_t maxSelectable = std::min(static_cast<uint32_t>(aContentParents.Length()),
|
|
static_cast<uint32_t>(aMaxContentParents));
|
|
uint32_t min = INT_MAX;
|
|
RefPtr<ContentParent> candidate;
|
|
ContentProcessManager* cpm = ContentProcessManager::GetSingleton();
|
|
|
|
for (uint32_t i = 0; i < maxSelectable; i++) {
|
|
ContentParent* p = aContentParents[i];
|
|
NS_ASSERTION(p->IsAlive(), "Non-alive contentparent in sBrowserContentParents?");
|
|
if (p->mOpener == aOpener) {
|
|
uint32_t tabCount = cpm->GetTabParentCountByProcessId(p->ChildID());
|
|
if (tabCount < min) {
|
|
candidate = p;
|
|
min = tabCount;
|
|
}
|
|
}
|
|
}
|
|
|
|
return candidate.forget();
|
|
}
|
|
|
|
/*static*/ already_AddRefed<ContentParent>
|
|
ContentParent::GetNewOrUsedBrowserProcess(const nsAString& aRemoteType,
|
|
ProcessPriority aPriority,
|
|
ContentParent* aOpener,
|
|
bool aPreferUsed)
|
|
{
|
|
nsTArray<ContentParent*>& contentParents = GetOrCreatePool(aRemoteType);
|
|
uint32_t maxContentParents = GetMaxProcessCount(aRemoteType);
|
|
if (aRemoteType.EqualsLiteral(LARGE_ALLOCATION_REMOTE_TYPE)) {
|
|
// We never want to re-use Large-Allocation processes.
|
|
if (contentParents.Length() >= maxContentParents) {
|
|
return GetNewOrUsedBrowserProcess(NS_LITERAL_STRING(DEFAULT_REMOTE_TYPE),
|
|
aPriority,
|
|
aOpener);
|
|
}
|
|
} else {
|
|
uint32_t numberOfParents = contentParents.Length();
|
|
nsTArray<nsIContentProcessInfo*> infos(numberOfParents);
|
|
for (auto* cp : contentParents) {
|
|
infos.AppendElement(cp->mScriptableHelper);
|
|
}
|
|
|
|
if (aPreferUsed && numberOfParents) {
|
|
// For the preloaded browser we don't want to create a new process but reuse an
|
|
// existing one.
|
|
maxContentParents = numberOfParents;
|
|
}
|
|
|
|
nsCOMPtr<nsIContentProcessProvider> cpp =
|
|
do_GetService("@mozilla.org/ipc/processselector;1");
|
|
nsIContentProcessInfo* openerInfo = aOpener ? aOpener->mScriptableHelper.get() : nullptr;
|
|
int32_t index;
|
|
if (cpp &&
|
|
NS_SUCCEEDED(cpp->ProvideProcess(aRemoteType, openerInfo,
|
|
infos.Elements(), infos.Length(),
|
|
maxContentParents, &index))) {
|
|
// If the provider returned an existing ContentParent, use that one.
|
|
if (0 <= index && static_cast<uint32_t>(index) <= maxContentParents) {
|
|
RefPtr<ContentParent> retval = contentParents[index];
|
|
return retval.forget();
|
|
}
|
|
} else {
|
|
// If there was a problem with the JS chooser, fall back to a random
|
|
// selection.
|
|
NS_WARNING("nsIContentProcessProvider failed to return a process");
|
|
RefPtr<ContentParent> random;
|
|
if (contentParents.Length() >= maxContentParents &&
|
|
(random = MinTabSelect(contentParents, aOpener, maxContentParents))) {
|
|
return random.forget();
|
|
}
|
|
}
|
|
|
|
// Try to take the preallocated process only for the default process type.
|
|
// The preallocated process manager might not had the chance yet to release the process
|
|
// after a very recent ShutDownProcess, let's make sure we don't try to reuse a process
|
|
// that is being shut down.
|
|
RefPtr<ContentParent> p;
|
|
if (aRemoteType.EqualsLiteral(DEFAULT_REMOTE_TYPE) &&
|
|
(p = PreallocatedProcessManager::Take()) &&
|
|
!p->mShutdownPending) {
|
|
// For pre-allocated process we have not set the opener yet.
|
|
p->mOpener = aOpener;
|
|
contentParents.AppendElement(p);
|
|
p->mActivateTS = TimeStamp::Now();
|
|
return p.forget();
|
|
}
|
|
}
|
|
|
|
// Create a new process from scratch.
|
|
RefPtr<ContentParent> p = new ContentParent(aOpener, aRemoteType);
|
|
|
|
// Until the new process is ready let's not allow to start up any preallocated processes.
|
|
PreallocatedProcessManager::AddBlocker(p);
|
|
|
|
if (!p->LaunchSubprocess(aPriority)) {
|
|
return nullptr;
|
|
}
|
|
|
|
p->Init();
|
|
|
|
contentParents.AppendElement(p);
|
|
p->mActivateTS = TimeStamp::Now();
|
|
return p.forget();
|
|
}
|
|
|
|
/*static*/ already_AddRefed<ContentParent>
|
|
ContentParent::GetNewOrUsedJSPluginProcess(uint32_t aPluginID,
|
|
const hal::ProcessPriority& aPriority)
|
|
{
|
|
RefPtr<ContentParent> p;
|
|
if (sJSPluginContentParents) {
|
|
p = sJSPluginContentParents->Get(aPluginID);
|
|
} else {
|
|
sJSPluginContentParents =
|
|
new nsDataHashtable<nsUint32HashKey, ContentParent*>();
|
|
}
|
|
|
|
if (p) {
|
|
return p.forget();
|
|
}
|
|
|
|
p = new ContentParent(aPluginID);
|
|
|
|
if (!p->LaunchSubprocess(aPriority)) {
|
|
return nullptr;
|
|
}
|
|
|
|
p->Init();
|
|
|
|
sJSPluginContentParents->Put(aPluginID, p);
|
|
|
|
return p.forget();
|
|
}
|
|
|
|
/*static*/ ProcessPriority
|
|
ContentParent::GetInitialProcessPriority(Element* aFrameElement)
|
|
{
|
|
// Frames with mozapptype == critical which are expecting a system message
|
|
// get FOREGROUND_HIGH priority.
|
|
|
|
if (!aFrameElement) {
|
|
return PROCESS_PRIORITY_FOREGROUND;
|
|
}
|
|
|
|
nsCOMPtr<nsIMozBrowserFrame> browserFrame = do_QueryInterface(aFrameElement);
|
|
if (!browserFrame) {
|
|
return PROCESS_PRIORITY_FOREGROUND;
|
|
}
|
|
|
|
return PROCESS_PRIORITY_FOREGROUND;
|
|
}
|
|
|
|
#if defined(XP_WIN)
|
|
extern const wchar_t* kPluginWidgetContentParentProperty;
|
|
|
|
/*static*/ void
|
|
ContentParent::SendAsyncUpdate(nsIWidget* aWidget)
|
|
{
|
|
if (!aWidget || aWidget->Destroyed()) {
|
|
return;
|
|
}
|
|
// Fire off an async request to the plugin to paint its window
|
|
HWND hwnd = (HWND)aWidget->GetNativeData(NS_NATIVE_WINDOW);
|
|
NS_ASSERTION(hwnd, "Expected valid hwnd value.");
|
|
ContentParent* cp = reinterpret_cast<ContentParent*>(
|
|
::GetPropW(hwnd, kPluginWidgetContentParentProperty));
|
|
if (cp && !cp->IsDestroyed()) {
|
|
Unused << cp->SendUpdateWindow((uintptr_t)hwnd);
|
|
}
|
|
}
|
|
#endif // defined(XP_WIN)
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvCreateChildProcess(const IPCTabContext& aContext,
|
|
const hal::ProcessPriority& aPriority,
|
|
const TabId& aOpenerTabId,
|
|
const TabId& aTabId,
|
|
ContentParentId* aCpId,
|
|
bool* aIsForBrowser)
|
|
{
|
|
#if 0
|
|
if (!CanOpenBrowser(aContext)) {
|
|
return false;
|
|
}
|
|
#endif
|
|
RefPtr<ContentParent> cp;
|
|
MaybeInvalidTabContext tc(aContext);
|
|
if (!tc.IsValid()) {
|
|
NS_ERROR(nsPrintfCString("Received an invalid TabContext from "
|
|
"the child process. (%s)",
|
|
tc.GetInvalidReason()).get());
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
if (tc.GetTabContext().IsJSPlugin()) {
|
|
cp = GetNewOrUsedJSPluginProcess(tc.GetTabContext().JSPluginId(),
|
|
aPriority);
|
|
}
|
|
else {
|
|
cp = GetNewOrUsedBrowserProcess(NS_LITERAL_STRING(DEFAULT_REMOTE_TYPE),
|
|
aPriority, this);
|
|
}
|
|
|
|
if (!cp) {
|
|
*aCpId = 0;
|
|
*aIsForBrowser = false;
|
|
return IPC_OK();
|
|
}
|
|
|
|
*aCpId = cp->ChildID();
|
|
*aIsForBrowser = cp->IsForBrowser();
|
|
|
|
ContentProcessManager *cpm = ContentProcessManager::GetSingleton();
|
|
if (cp->IsForJSPlugin()) {
|
|
// We group all the iframes for a specific JS plugin into one process, regardless of
|
|
// origin. As a consequence that process can't be a child of the content process that
|
|
// contains the document with the element loading the plugin. All content processes
|
|
// need to be able to communicate with the process for the JS plugin.
|
|
cpm->RegisterRemoteFrame(aTabId, ChildID(), aOpenerTabId, aContext, cp->ChildID());
|
|
return IPC_OK();
|
|
}
|
|
|
|
// cp was already added to the ContentProcessManager, this just sets the parent ID.
|
|
cpm->AddContentProcess(cp, this->ChildID());
|
|
|
|
if (cpm->AddGrandchildProcess(this->ChildID(), cp->ChildID()) &&
|
|
cpm->RegisterRemoteFrame(aTabId, ChildID(), aOpenerTabId, aContext, cp->ChildID())) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvBridgeToChildProcess(const ContentParentId& aCpId,
|
|
Endpoint<PContentBridgeParent>* aEndpoint)
|
|
{
|
|
ContentProcessManager *cpm = ContentProcessManager::GetSingleton();
|
|
ContentParent* cp = cpm->GetContentProcessById(aCpId);
|
|
|
|
if (cp && cp->CanCommunicateWith(ChildID())) {
|
|
Endpoint<PContentBridgeParent> parent;
|
|
Endpoint<PContentBridgeChild> child;
|
|
|
|
if (NS_FAILED(PContentBridge::CreateEndpoints(OtherPid(), cp->OtherPid(),
|
|
&parent, &child))) {
|
|
return IPC_FAIL(this, "CreateEndpoints failed");
|
|
}
|
|
|
|
*aEndpoint = Move(parent);
|
|
|
|
if (!cp->SendInitContentBridgeChild(Move(child))) {
|
|
return IPC_FAIL(this, "SendInitContentBridgeChild failed");
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
// You can't bridge to a process you didn't open!
|
|
KillHard("BridgeToChildProcess");
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
static nsIDocShell* GetOpenerDocShellHelper(Element* aFrameElement)
|
|
{
|
|
// Propagate the private-browsing status of the element's parent
|
|
// docshell to the remote docshell, via the chrome flags.
|
|
nsCOMPtr<Element> frameElement = do_QueryInterface(aFrameElement);
|
|
MOZ_ASSERT(frameElement);
|
|
nsPIDOMWindowOuter* win = frameElement->OwnerDoc()->GetWindow();
|
|
if (!win) {
|
|
NS_WARNING("Remote frame has no window");
|
|
return nullptr;
|
|
}
|
|
nsIDocShell* docShell = win->GetDocShell();
|
|
if (!docShell) {
|
|
NS_WARNING("Remote frame has no docshell");
|
|
return nullptr;
|
|
}
|
|
|
|
return docShell;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvCreateGMPService()
|
|
{
|
|
Endpoint<PGMPServiceParent> parent;
|
|
Endpoint<PGMPServiceChild> child;
|
|
|
|
nsresult rv;
|
|
rv = PGMPService::CreateEndpoints(base::GetCurrentProcId(),
|
|
OtherPid(),
|
|
&parent, &child);
|
|
if (NS_FAILED(rv)) {
|
|
MOZ_ASSERT(false, "CreateEndpoints failed");
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
if (!GMPServiceParent::Create(Move(parent))) {
|
|
MOZ_ASSERT(false, "GMPServiceParent::Create failed");
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
if (!SendInitGMPService(Move(child))) {
|
|
MOZ_ASSERT(false, "SendInitGMPService failed");
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvLoadPlugin(const uint32_t& aPluginId,
|
|
nsresult* aRv,
|
|
uint32_t* aRunID,
|
|
Endpoint<PPluginModuleParent>* aEndpoint)
|
|
{
|
|
*aRv = NS_OK;
|
|
if (!mozilla::plugins::SetupBridge(aPluginId, this, aRv, aRunID, aEndpoint)) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvUngrabPointer(const uint32_t& aTime)
|
|
{
|
|
#if !defined(MOZ_WIDGET_GTK)
|
|
MOZ_CRASH("This message only makes sense on GTK platforms");
|
|
#else
|
|
gdk_pointer_ungrab(aTime);
|
|
return IPC_OK();
|
|
#endif
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvRemovePermission(const IPC::Principal& aPrincipal,
|
|
const nsCString& aPermissionType,
|
|
nsresult* aRv) {
|
|
*aRv = Permissions::RemovePermission(aPrincipal, aPermissionType.get());
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvConnectPluginBridge(const uint32_t& aPluginId,
|
|
nsresult* aRv,
|
|
Endpoint<PPluginModuleParent>* aEndpoint)
|
|
{
|
|
*aRv = NS_OK;
|
|
// We don't need to get the run ID for the plugin, since we already got it
|
|
// in the first call to SetupBridge in RecvLoadPlugin, so we pass in a dummy
|
|
// pointer and just throw it away.
|
|
uint32_t dummy = 0;
|
|
if (!mozilla::plugins::SetupBridge(aPluginId, this, aRv, &dummy, aEndpoint)) {
|
|
return IPC_FAIL(this, "SetupBridge failed");
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
/*static*/ TabParent*
|
|
ContentParent::CreateBrowser(const TabContext& aContext,
|
|
Element* aFrameElement,
|
|
ContentParent* aOpenerContentParent,
|
|
TabParent* aSameTabGroupAs,
|
|
uint64_t aNextTabParentId)
|
|
{
|
|
AUTO_PROFILER_LABEL("ContentParent::CreateBrowser", OTHER);
|
|
|
|
if (!sCanLaunchSubprocesses) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsAutoString remoteType;
|
|
if (!aFrameElement->GetAttr(kNameSpaceID_None, nsGkAtoms::RemoteType,
|
|
remoteType)) {
|
|
remoteType.AssignLiteral(DEFAULT_REMOTE_TYPE);
|
|
}
|
|
|
|
if (aNextTabParentId) {
|
|
if (TabParent* parent =
|
|
sNextTabParents.GetAndRemove(aNextTabParentId).valueOr(nullptr)) {
|
|
MOZ_ASSERT(!parent->GetOwnerElement(),
|
|
"Shouldn't have an owner elemnt before");
|
|
parent->SetOwnerElement(aFrameElement);
|
|
return parent;
|
|
}
|
|
}
|
|
|
|
ProcessPriority initialPriority = GetInitialProcessPriority(aFrameElement);
|
|
bool isInContentProcess = !XRE_IsParentProcess();
|
|
TabId tabId(nsContentUtils::GenerateTabId());
|
|
|
|
nsIDocShell* docShell = GetOpenerDocShellHelper(aFrameElement);
|
|
TabId openerTabId;
|
|
if (docShell) {
|
|
openerTabId = TabParent::GetTabIdFrom(docShell);
|
|
}
|
|
|
|
bool isPreloadBrowser = false;
|
|
nsAutoString isPreloadBrowserStr;
|
|
if (aFrameElement->GetAttr(kNameSpaceID_None, nsGkAtoms::preloadedState,
|
|
isPreloadBrowserStr)) {
|
|
isPreloadBrowser = isPreloadBrowserStr.EqualsLiteral("preloaded");
|
|
}
|
|
|
|
RefPtr<nsIContentParent> constructorSender;
|
|
if (isInContentProcess) {
|
|
MOZ_ASSERT(aContext.IsMozBrowserElement() || aContext.IsJSPlugin());
|
|
constructorSender = CreateContentBridgeParent(aContext, initialPriority,
|
|
openerTabId, tabId);
|
|
} else {
|
|
if (aOpenerContentParent) {
|
|
constructorSender = aOpenerContentParent;
|
|
} else {
|
|
if (aContext.IsJSPlugin()) {
|
|
constructorSender =
|
|
GetNewOrUsedJSPluginProcess(aContext.JSPluginId(),
|
|
initialPriority);
|
|
} else {
|
|
constructorSender =
|
|
GetNewOrUsedBrowserProcess(remoteType, initialPriority,
|
|
nullptr, isPreloadBrowser);
|
|
}
|
|
if (!constructorSender) {
|
|
return nullptr;
|
|
}
|
|
}
|
|
ContentProcessManager* cpm = ContentProcessManager::GetSingleton();
|
|
cpm->RegisterRemoteFrame(tabId,
|
|
ContentParentId(0),
|
|
openerTabId,
|
|
aContext.AsIPCTabContext(),
|
|
constructorSender->ChildID());
|
|
}
|
|
if (constructorSender) {
|
|
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
|
|
docShell->GetTreeOwner(getter_AddRefs(treeOwner));
|
|
if (!treeOwner) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsIWebBrowserChrome> wbc = do_GetInterface(treeOwner);
|
|
if (!wbc) {
|
|
return nullptr;
|
|
}
|
|
uint32_t chromeFlags = 0;
|
|
wbc->GetChromeFlags(&chromeFlags);
|
|
|
|
nsCOMPtr<nsILoadContext> loadContext = do_QueryInterface(docShell);
|
|
if (loadContext && loadContext->UsePrivateBrowsing()) {
|
|
chromeFlags |= nsIWebBrowserChrome::CHROME_PRIVATE_WINDOW;
|
|
}
|
|
if (docShell->GetAffectPrivateSessionLifetime()) {
|
|
chromeFlags |= nsIWebBrowserChrome::CHROME_PRIVATE_LIFETIME;
|
|
}
|
|
|
|
if (tabId == 0) {
|
|
return nullptr;
|
|
}
|
|
RefPtr<TabParent> tp(new TabParent(constructorSender, tabId,
|
|
aContext, chromeFlags));
|
|
tp->SetInitedByParent();
|
|
|
|
PBrowserParent* browser =
|
|
constructorSender->SendPBrowserConstructor(
|
|
// DeallocPBrowserParent() releases this ref.
|
|
tp.forget().take(), tabId,
|
|
aSameTabGroupAs ? aSameTabGroupAs->GetTabId() : TabId(0),
|
|
aContext.AsIPCTabContext(),
|
|
chromeFlags,
|
|
constructorSender->ChildID(),
|
|
constructorSender->IsForBrowser());
|
|
|
|
if (remoteType.EqualsLiteral(LARGE_ALLOCATION_REMOTE_TYPE)) {
|
|
// Tell the TabChild object that it was created due to a Large-Allocation
|
|
// request.
|
|
Unused << browser->SendAwaitLargeAlloc();
|
|
}
|
|
|
|
if (browser) {
|
|
RefPtr<TabParent> constructedTabParent = TabParent::GetFrom(browser);
|
|
constructedTabParent->SetOwnerElement(aFrameElement);
|
|
return constructedTabParent;
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
/*static*/ ContentBridgeParent*
|
|
ContentParent::CreateContentBridgeParent(const TabContext& aContext,
|
|
const hal::ProcessPriority& aPriority,
|
|
const TabId& aOpenerTabId,
|
|
const TabId& aTabId)
|
|
{
|
|
MOZ_ASSERT(aTabId);
|
|
|
|
ContentChild* child = ContentChild::GetSingleton();
|
|
ContentParentId cpId;
|
|
bool isForBrowser;
|
|
if (!child->SendCreateChildProcess(aContext.AsIPCTabContext(),
|
|
aPriority,
|
|
aOpenerTabId,
|
|
aTabId,
|
|
&cpId,
|
|
&isForBrowser)) {
|
|
return nullptr;
|
|
}
|
|
if (cpId == 0) {
|
|
return nullptr;
|
|
}
|
|
Endpoint<PContentBridgeParent> endpoint;
|
|
if (!child->SendBridgeToChildProcess(cpId, &endpoint)) {
|
|
return nullptr;
|
|
}
|
|
ContentBridgeParent* parent = ContentBridgeParent::Create(Move(endpoint));
|
|
parent->SetChildID(cpId);
|
|
parent->SetIsForBrowser(isForBrowser);
|
|
parent->SetIsForJSPlugin(aContext.IsJSPlugin());
|
|
return parent;
|
|
}
|
|
|
|
void
|
|
ContentParent::GetAll(nsTArray<ContentParent*>& aArray)
|
|
{
|
|
aArray.Clear();
|
|
|
|
for (auto* cp : AllProcesses(eLive)) {
|
|
aArray.AppendElement(cp);
|
|
}
|
|
}
|
|
|
|
void
|
|
ContentParent::GetAllEvenIfDead(nsTArray<ContentParent*>& aArray)
|
|
{
|
|
aArray.Clear();
|
|
|
|
for (auto* cp : AllProcesses(eAll)) {
|
|
aArray.AppendElement(cp);
|
|
}
|
|
}
|
|
|
|
const nsAString&
|
|
ContentParent::GetRemoteType() const
|
|
{
|
|
return mRemoteType;
|
|
}
|
|
|
|
void
|
|
ContentParent::Init()
|
|
{
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
if (obs) {
|
|
size_t length = ArrayLength(sObserverTopics);
|
|
for (size_t i = 0; i < length; ++i) {
|
|
obs->AddObserver(this, sObserverTopics[i], false);
|
|
}
|
|
}
|
|
|
|
// Register ContentParent as an observer for changes to any pref whose prefix
|
|
// matches the empty string, i.e. all of them.
|
|
Preferences::AddStrongObserver(this, "");
|
|
|
|
if (obs) {
|
|
nsAutoString cpId;
|
|
cpId.AppendInt(static_cast<uint64_t>(this->ChildID()));
|
|
obs->NotifyObservers(static_cast<nsIObserver*>(this), "ipc:content-created", cpId.get());
|
|
}
|
|
|
|
#ifdef ACCESSIBILITY
|
|
// If accessibility is running in chrome process then start it in content
|
|
// process.
|
|
if (nsIPresShell::IsAccessibilityActive()) {
|
|
#if defined(XP_WIN)
|
|
// Don't init content a11y if we detect an incompat version of JAWS in use.
|
|
if (!mozilla::a11y::Compatibility::IsOldJAWS()) {
|
|
Unused << SendActivateA11y(::GetCurrentThreadId(),
|
|
a11y::AccessibleWrap::GetContentProcessIdFor(ChildID()));
|
|
}
|
|
#else
|
|
Unused << SendActivateA11y(0, 0);
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
#ifdef MOZ_GECKO_PROFILER
|
|
Unused << SendInitProfiler(ProfilerParent::CreateForProcess(OtherPid()));
|
|
#endif
|
|
|
|
// Ensure that the default set of permissions are avaliable in the content
|
|
// process before we try to load any URIs in it.
|
|
EnsurePermissionsByKey(EmptyCString());
|
|
|
|
RefPtr<GeckoMediaPluginServiceParent> gmps(GeckoMediaPluginServiceParent::GetSingleton());
|
|
gmps->UpdateContentProcessGMPCapabilities();
|
|
|
|
mScriptableHelper = new ScriptableCPInfo(this);
|
|
}
|
|
|
|
namespace {
|
|
|
|
class RemoteWindowContext final : public nsIRemoteWindowContext
|
|
, public nsIInterfaceRequestor
|
|
{
|
|
public:
|
|
explicit RemoteWindowContext(TabParent* aTabParent)
|
|
: mTabParent(aTabParent)
|
|
{
|
|
}
|
|
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSIINTERFACEREQUESTOR
|
|
NS_DECL_NSIREMOTEWINDOWCONTEXT
|
|
|
|
private:
|
|
~RemoteWindowContext();
|
|
RefPtr<TabParent> mTabParent;
|
|
};
|
|
|
|
NS_IMPL_ISUPPORTS(RemoteWindowContext, nsIRemoteWindowContext, nsIInterfaceRequestor)
|
|
|
|
RemoteWindowContext::~RemoteWindowContext()
|
|
{
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
RemoteWindowContext::GetInterface(const nsIID& aIID, void** aSink)
|
|
{
|
|
return QueryInterface(aIID, aSink);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
RemoteWindowContext::OpenURI(nsIURI* aURI)
|
|
{
|
|
mTabParent->LoadURL(aURI);
|
|
return NS_OK;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
void
|
|
ContentParent::ShutDownProcess(ShutDownMethod aMethod)
|
|
{
|
|
if (mScriptableHelper) {
|
|
static_cast<ScriptableCPInfo*>(mScriptableHelper.get())->ProcessDied();
|
|
mScriptableHelper = nullptr;
|
|
}
|
|
|
|
// Shutting down by sending a shutdown message works differently than the
|
|
// other methods. We first call Shutdown() in the child. After the child is
|
|
// ready, it calls FinishShutdown() on us. Then we close the channel.
|
|
if (aMethod == SEND_SHUTDOWN_MESSAGE) {
|
|
if (mIPCOpen && !mShutdownPending) {
|
|
// Stop sending input events with input priority when shutting down.
|
|
SetInputPriorityEventEnabled(false);
|
|
if (SendShutdown()) {
|
|
mShutdownPending = true;
|
|
// Start the force-kill timer if we haven't already.
|
|
StartForceKillTimer();
|
|
}
|
|
}
|
|
// If call was not successful, the channel must have been broken
|
|
// somehow, and we will clean up the error in ActorDestroy.
|
|
return;
|
|
}
|
|
|
|
using mozilla::dom::quota::QuotaManagerService;
|
|
|
|
if (QuotaManagerService* quotaManagerService = QuotaManagerService::Get()) {
|
|
quotaManagerService->AbortOperationsForProcess(mChildID);
|
|
}
|
|
|
|
// If Close() fails with an error, we'll end up back in this function, but
|
|
// with aMethod = CLOSE_CHANNEL_WITH_ERROR.
|
|
|
|
if (aMethod == CLOSE_CHANNEL && !mCalledClose) {
|
|
// Close() can only be called once: It kicks off the destruction
|
|
// sequence.
|
|
mCalledClose = true;
|
|
Close();
|
|
}
|
|
|
|
const ManagedContainer<POfflineCacheUpdateParent>& ocuParents =
|
|
ManagedPOfflineCacheUpdateParent();
|
|
for (auto iter = ocuParents.ConstIter(); !iter.Done(); iter.Next()) {
|
|
RefPtr<mozilla::docshell::OfflineCacheUpdateParent> ocuParent =
|
|
static_cast<mozilla::docshell::OfflineCacheUpdateParent*>(iter.Get()->GetKey());
|
|
ocuParent->StopSendingMessagesToChild();
|
|
}
|
|
|
|
// NB: must MarkAsDead() here so that this isn't accidentally
|
|
// returned from Get*() while in the midst of shutdown.
|
|
MarkAsDead();
|
|
|
|
// A ContentParent object might not get freed until after XPCOM shutdown has
|
|
// shut down the cycle collector. But by then it's too late to release any
|
|
// CC'ed objects, so we need to null them out here, while we still can. See
|
|
// bug 899761.
|
|
ShutDownMessageManager();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvFinishShutdown()
|
|
{
|
|
// At this point, we already called ShutDownProcess once with
|
|
// SEND_SHUTDOWN_MESSAGE. To actually close the channel, we call
|
|
// ShutDownProcess again with CLOSE_CHANNEL.
|
|
MOZ_ASSERT(mShutdownPending);
|
|
ShutDownProcess(CLOSE_CHANNEL);
|
|
return IPC_OK();
|
|
}
|
|
|
|
void
|
|
ContentParent::ShutDownMessageManager()
|
|
{
|
|
if (!mMessageManager) {
|
|
return;
|
|
}
|
|
|
|
mMessageManager->ReceiveMessage(
|
|
static_cast<nsIContentFrameMessageManager*>(mMessageManager.get()), nullptr,
|
|
CHILD_PROCESS_SHUTDOWN_MESSAGE, false,
|
|
nullptr, nullptr, nullptr, nullptr);
|
|
|
|
mMessageManager->Disconnect();
|
|
mMessageManager = nullptr;
|
|
}
|
|
|
|
void
|
|
ContentParent::RemoveFromList()
|
|
{
|
|
if (IsForJSPlugin()) {
|
|
if (sJSPluginContentParents) {
|
|
sJSPluginContentParents->Remove(mJSPluginID);
|
|
if (!sJSPluginContentParents->Count()) {
|
|
delete sJSPluginContentParents;
|
|
sJSPluginContentParents = nullptr;
|
|
}
|
|
}
|
|
} else if (sBrowserContentParents) {
|
|
if (auto entry = sBrowserContentParents->Lookup(mRemoteType)) {
|
|
nsTArray<ContentParent*>* contentParents = entry.Data();
|
|
contentParents->RemoveElement(this);
|
|
if (contentParents->IsEmpty()) {
|
|
entry.Remove();
|
|
}
|
|
}
|
|
if (sBrowserContentParents->IsEmpty()) {
|
|
delete sBrowserContentParents;
|
|
sBrowserContentParents = nullptr;
|
|
}
|
|
}
|
|
|
|
if (sPrivateContent) {
|
|
sPrivateContent->RemoveElement(this);
|
|
if (!sPrivateContent->Length()) {
|
|
delete sPrivateContent;
|
|
sPrivateContent = nullptr;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
ContentParent::MarkAsTroubled()
|
|
{
|
|
RemoveFromList();
|
|
mIsAvailable = false;
|
|
}
|
|
|
|
void
|
|
ContentParent::MarkAsDead()
|
|
{
|
|
MarkAsTroubled();
|
|
mIsAlive = false;
|
|
}
|
|
|
|
void
|
|
ContentParent::OnChannelError()
|
|
{
|
|
RefPtr<ContentParent> content(this);
|
|
PContentParent::OnChannelError();
|
|
}
|
|
|
|
void
|
|
ContentParent::OnChannelConnected(int32_t pid)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
#if defined(ANDROID) || defined(LINUX)
|
|
// Check nice preference
|
|
int32_t nice = Preferences::GetInt("dom.ipc.content.nice", 0);
|
|
|
|
// Environment variable overrides preference
|
|
char* relativeNicenessStr = getenv("MOZ_CHILD_PROCESS_RELATIVE_NICENESS");
|
|
if (relativeNicenessStr) {
|
|
nice = atoi(relativeNicenessStr);
|
|
}
|
|
|
|
/* make the GUI thread have higher priority on single-cpu devices */
|
|
nsCOMPtr<nsIPropertyBag2> infoService = do_GetService(NS_SYSTEMINFO_CONTRACTID);
|
|
if (infoService) {
|
|
int32_t cpus;
|
|
nsresult rv = infoService->GetPropertyAsInt32(NS_LITERAL_STRING("cpucount"), &cpus);
|
|
if (NS_FAILED(rv)) {
|
|
cpus = 1;
|
|
}
|
|
if (nice != 0 && cpus == 1) {
|
|
setpriority(PRIO_PROCESS, pid, getpriority(PRIO_PROCESS, pid) + nice);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef MOZ_CODE_COVERAGE
|
|
Unused << SendShareCodeCoverageMutex(
|
|
CodeCoverageHandler::Get()->GetMutexHandle(pid));
|
|
#endif
|
|
}
|
|
|
|
void
|
|
ContentParent::ProcessingError(Result aCode, const char* aReason)
|
|
{
|
|
if (MsgDropped == aCode) {
|
|
return;
|
|
}
|
|
// Other errors are big deals.
|
|
KillHard(aReason);
|
|
}
|
|
|
|
/* static */
|
|
bool
|
|
ContentParent::AllocateLayerTreeId(TabParent* aTabParent, uint64_t* aId)
|
|
{
|
|
return AllocateLayerTreeId(aTabParent->Manager()->AsContentParent(),
|
|
aTabParent, aTabParent->GetTabId(), aId);
|
|
}
|
|
|
|
/* static */
|
|
bool
|
|
ContentParent::AllocateLayerTreeId(ContentParent* aContent,
|
|
TabParent* aTopLevel, const TabId& aTabId,
|
|
uint64_t* aId)
|
|
{
|
|
GPUProcessManager* gpu = GPUProcessManager::Get();
|
|
|
|
*aId = gpu->AllocateLayerTreeId();
|
|
|
|
if (!aContent || !aTopLevel) {
|
|
return false;
|
|
}
|
|
|
|
gpu->MapLayerTreeId(*aId, aContent->OtherPid());
|
|
|
|
return true;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvAllocateLayerTreeId(const ContentParentId& aCpId,
|
|
const TabId& aTabId, uint64_t* aId)
|
|
{
|
|
// Protect against spoofing by a compromised child. aCpId must either
|
|
// correspond to the process that this ContentParent represents or be a
|
|
// child of it.
|
|
ContentProcessManager* cpm = ContentProcessManager::GetSingleton();
|
|
RefPtr<ContentParent> contentParent = cpm->GetContentProcessById(aCpId);
|
|
if (ChildID() != aCpId && !contentParent->CanCommunicateWith(ChildID())) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
// GetTopLevelTabParentByProcessAndTabId will make sure that aTabId
|
|
// lives in the process for aCpId.
|
|
RefPtr<TabParent> browserParent =
|
|
cpm->GetTopLevelTabParentByProcessAndTabId(aCpId, aTabId);
|
|
MOZ_ASSERT(contentParent && browserParent);
|
|
|
|
if (!AllocateLayerTreeId(contentParent, browserParent, aTabId, aId)) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvDeallocateLayerTreeId(const ContentParentId& aCpId,
|
|
const uint64_t& aId)
|
|
{
|
|
GPUProcessManager* gpu = GPUProcessManager::Get();
|
|
|
|
ContentProcessManager* cpm = ContentProcessManager::GetSingleton();
|
|
RefPtr<ContentParent> contentParent = cpm->GetContentProcessById(aCpId);
|
|
if (!contentParent->CanCommunicateWith(ChildID())) {
|
|
return IPC_FAIL(this, "Spoofed DeallocateLayerTreeId call");
|
|
}
|
|
|
|
if (!gpu->IsLayerTreeIdMapped(aId, contentParent->OtherPid())) {
|
|
// You can't deallocate layer tree ids that you didn't allocate
|
|
KillHard("DeallocateLayerTreeId");
|
|
}
|
|
|
|
gpu->UnmapLayerTreeId(aId, contentParent->OtherPid());
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
namespace {
|
|
|
|
void
|
|
DelayedDeleteSubprocess(GeckoChildProcessHost* aSubprocess)
|
|
{
|
|
RefPtr<DeleteTask<GeckoChildProcessHost>> task = new DeleteTask<GeckoChildProcessHost>(aSubprocess);
|
|
XRE_GetIOMessageLoop()->PostTask(task.forget());
|
|
}
|
|
|
|
// This runnable only exists to delegate ownership of the
|
|
// ContentParent to this runnable, until it's deleted by the event
|
|
// system.
|
|
struct DelayedDeleteContentParentTask : public Runnable
|
|
{
|
|
explicit DelayedDeleteContentParentTask(ContentParent* aObj)
|
|
: Runnable("dom::DelayedDeleteContentParentTask")
|
|
, mObj(aObj)
|
|
{
|
|
}
|
|
|
|
// No-op
|
|
NS_IMETHOD Run() override { return NS_OK; }
|
|
|
|
RefPtr<ContentParent> mObj;
|
|
};
|
|
|
|
} // namespace
|
|
|
|
void
|
|
ContentParent::ActorDestroy(ActorDestroyReason why)
|
|
{
|
|
if (mForceKillTimer) {
|
|
mForceKillTimer->Cancel();
|
|
mForceKillTimer = nullptr;
|
|
}
|
|
|
|
// Signal shutdown completion regardless of error state, so we can
|
|
// finish waiting in the xpcom-shutdown/profile-before-change observer.
|
|
mIPCOpen = false;
|
|
|
|
if (mHangMonitorActor) {
|
|
ProcessHangMonitor::RemoveProcess(mHangMonitorActor);
|
|
mHangMonitorActor = nullptr;
|
|
}
|
|
|
|
RefPtr<FileSystemSecurity> fss = FileSystemSecurity::Get();
|
|
if (fss) {
|
|
fss->Forget(ChildID());
|
|
}
|
|
|
|
if (why == NormalShutdown && !mCalledClose) {
|
|
// If we shut down normally but haven't called Close, assume somebody
|
|
// else called Close on us. In that case, we still need to call
|
|
// ShutDownProcess below to perform other necessary clean up.
|
|
mCalledClose = true;
|
|
}
|
|
|
|
// Make sure we always clean up.
|
|
ShutDownProcess(why == NormalShutdown ? CLOSE_CHANNEL
|
|
: CLOSE_CHANNEL_WITH_ERROR);
|
|
|
|
RefPtr<ContentParent> kungFuDeathGrip(this);
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
if (obs) {
|
|
size_t length = ArrayLength(sObserverTopics);
|
|
for (size_t i = 0; i < length; ++i) {
|
|
obs->RemoveObserver(static_cast<nsIObserver*>(this),
|
|
sObserverTopics[i]);
|
|
}
|
|
}
|
|
|
|
// remove the global remote preferences observers
|
|
Preferences::RemoveObserver(this, "");
|
|
gfxVars::RemoveReceiver(this);
|
|
|
|
if (GPUProcessManager* gpu = GPUProcessManager::Get()) {
|
|
// Note: the manager could have shutdown already.
|
|
gpu->RemoveListener(this);
|
|
}
|
|
|
|
RecvRemoveGeolocationListener();
|
|
|
|
mConsoleService = nullptr;
|
|
|
|
if (obs) {
|
|
RefPtr<nsHashPropertyBag> props = new nsHashPropertyBag();
|
|
|
|
props->SetPropertyAsUint64(NS_LITERAL_STRING("childID"), mChildID);
|
|
|
|
if (AbnormalShutdown == why) {
|
|
Telemetry::Accumulate(Telemetry::SUBPROCESS_ABNORMAL_ABORT,
|
|
NS_LITERAL_CSTRING("content"), 1);
|
|
|
|
props->SetPropertyAsBool(NS_LITERAL_STRING("abnormal"), true);
|
|
|
|
// There's a window in which child processes can crash
|
|
// after IPC is established, but before a crash reporter
|
|
// is created.
|
|
if (mCrashReporter) {
|
|
// if mCreatedPairedMinidumps is true, we've already generated
|
|
// parent/child dumps for desktop crashes.
|
|
if (!mCreatedPairedMinidumps) {
|
|
mCrashReporter->GenerateCrashReport(OtherPid());
|
|
}
|
|
|
|
nsAutoString dumpID;
|
|
if (mCrashReporter->HasMinidump()) {
|
|
dumpID = mCrashReporter->MinidumpID();
|
|
}
|
|
props->SetPropertyAsAString(NS_LITERAL_STRING("dumpID"), dumpID);
|
|
}
|
|
}
|
|
nsAutoString cpId;
|
|
cpId.AppendInt(static_cast<uint64_t>(this->ChildID()));
|
|
obs->NotifyObservers((nsIPropertyBag2*) props, "ipc:content-shutdown", cpId.get());
|
|
}
|
|
|
|
// Remove any and all idle listeners.
|
|
nsCOMPtr<nsIIdleService> idleService =
|
|
do_GetService("@mozilla.org/widget/idleservice;1");
|
|
MOZ_ASSERT(idleService);
|
|
RefPtr<ParentIdleListener> listener;
|
|
for (int32_t i = mIdleListeners.Length() - 1; i >= 0; --i) {
|
|
listener = static_cast<ParentIdleListener*>(mIdleListeners[i].get());
|
|
idleService->RemoveIdleObserver(listener, listener->mTime);
|
|
}
|
|
mIdleListeners.Clear();
|
|
|
|
MessageLoop::current()->
|
|
PostTask(NewRunnableFunction("DelayedDeleteSubprocessRunnable",
|
|
DelayedDeleteSubprocess, mSubprocess));
|
|
mSubprocess = nullptr;
|
|
|
|
// IPDL rules require actors to live on past ActorDestroy, but it
|
|
// may be that the kungFuDeathGrip above is the last reference to
|
|
// |this|. If so, when we go out of scope here, we're deleted and
|
|
// all hell breaks loose.
|
|
//
|
|
// This runnable ensures that a reference to |this| lives on at
|
|
// least until after the current task finishes running.
|
|
NS_DispatchToCurrentThread(new DelayedDeleteContentParentTask(this));
|
|
|
|
ContentProcessManager* cpm = ContentProcessManager::GetSingleton();
|
|
nsTArray<ContentParentId> childIDArray =
|
|
cpm->GetAllChildProcessById(this->ChildID());
|
|
|
|
// Destroy any processes created by this ContentParent
|
|
for(uint32_t i = 0; i < childIDArray.Length(); i++) {
|
|
ContentParent* cp = cpm->GetContentProcessById(childIDArray[i]);
|
|
MessageLoop::current()->PostTask(
|
|
NewRunnableMethod<ShutDownMethod>("dom::ContentParent::ShutDownProcess",
|
|
cp,
|
|
&ContentParent::ShutDownProcess,
|
|
SEND_SHUTDOWN_MESSAGE));
|
|
}
|
|
cpm->RemoveContentProcess(this->ChildID());
|
|
|
|
if (mDriverCrashGuard) {
|
|
mDriverCrashGuard->NotifyCrashed();
|
|
}
|
|
|
|
// Unregister all the BlobURLs registered by the ContentChild.
|
|
for (uint32_t i = 0; i < mBlobURLs.Length(); ++i) {
|
|
nsHostObjectProtocolHandler::RemoveDataEntry(mBlobURLs[i]);
|
|
}
|
|
|
|
mBlobURLs.Clear();
|
|
|
|
#if defined(XP_WIN32) && defined(ACCESSIBILITY)
|
|
a11y::AccessibleWrap::ReleaseContentProcessIdFor(ChildID());
|
|
#endif
|
|
}
|
|
|
|
bool
|
|
ContentParent::TryToRecycle()
|
|
{
|
|
// This life time check should be replaced by a memory health check (memory usage + fragmentation).
|
|
const double kMaxLifeSpan = 5;
|
|
if (mShutdownPending ||
|
|
mCalledKillHard ||
|
|
!IsAvailable() ||
|
|
!mRemoteType.EqualsLiteral(DEFAULT_REMOTE_TYPE) ||
|
|
(TimeStamp::Now() - mActivateTS).ToSeconds() > kMaxLifeSpan ||
|
|
!PreallocatedProcessManager::Provide(this)) {
|
|
return false;
|
|
}
|
|
|
|
// The PreallocatedProcessManager took over the ownership let's not keep a reference to it,
|
|
// until we don't take it back.
|
|
RemoveFromList();
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentParent::ShouldKeepProcessAlive() const
|
|
{
|
|
if (IsForJSPlugin()) {
|
|
return true;
|
|
}
|
|
|
|
if (!sBrowserContentParents) {
|
|
return false;
|
|
}
|
|
|
|
// If we have already been marked as troubled/dead, don't prevent shutdown.
|
|
if (!IsAvailable()) {
|
|
return false;
|
|
}
|
|
|
|
auto contentParents = sBrowserContentParents->Get(mRemoteType);
|
|
if (!contentParents) {
|
|
return false;
|
|
}
|
|
|
|
// We might want to keep alive some content processes alive during test runs,
|
|
// for performance reasons. This should never be used in production.
|
|
// We don't want to alter behavior if the pref is not set, so default to 0.
|
|
int32_t processesToKeepAlive = 0;
|
|
|
|
nsAutoCString keepAlivePref("dom.ipc.keepProcessesAlive.");
|
|
keepAlivePref.Append(NS_ConvertUTF16toUTF8(mRemoteType));
|
|
if (NS_FAILED(Preferences::GetInt(keepAlivePref.get(), &processesToKeepAlive))) {
|
|
return false;
|
|
}
|
|
|
|
int32_t numberOfAliveProcesses = contentParents->Length();
|
|
|
|
return numberOfAliveProcesses <= processesToKeepAlive;
|
|
}
|
|
|
|
void
|
|
ContentParent::NotifyTabDestroying(const TabId& aTabId,
|
|
const ContentParentId& aCpId)
|
|
{
|
|
if (XRE_IsParentProcess()) {
|
|
// There can be more than one PBrowser for a given app process
|
|
// because of popup windows. PBrowsers can also destroy
|
|
// concurrently. When all the PBrowsers are destroying, kick off
|
|
// another task to ensure the child process *really* shuts down,
|
|
// even if the PBrowsers themselves never finish destroying.
|
|
ContentProcessManager* cpm = ContentProcessManager::GetSingleton();
|
|
ContentParent* cp = cpm->GetContentProcessById(aCpId);
|
|
if (!cp) {
|
|
return;
|
|
}
|
|
++cp->mNumDestroyingTabs;
|
|
nsTArray<TabId> tabIds = cpm->GetTabParentsByProcessId(aCpId);
|
|
if (static_cast<size_t>(cp->mNumDestroyingTabs) != tabIds.Length()) {
|
|
return;
|
|
}
|
|
|
|
if (cp->ShouldKeepProcessAlive()) {
|
|
return;
|
|
}
|
|
|
|
if (cp->TryToRecycle()) {
|
|
return;
|
|
}
|
|
|
|
// We're dying now, so prevent this content process from being
|
|
// recycled during its shutdown procedure.
|
|
cp->MarkAsDead();
|
|
cp->StartForceKillTimer();
|
|
} else {
|
|
ContentChild::GetSingleton()->SendNotifyTabDestroying(aTabId, aCpId);
|
|
}
|
|
}
|
|
|
|
void
|
|
ContentParent::StartForceKillTimer()
|
|
{
|
|
if (mForceKillTimer || !mIPCOpen) {
|
|
return;
|
|
}
|
|
|
|
int32_t timeoutSecs = Preferences::GetInt("dom.ipc.tabs.shutdownTimeoutSecs", 5);
|
|
if (timeoutSecs > 0) {
|
|
NS_NewTimerWithFuncCallback(getter_AddRefs(mForceKillTimer),
|
|
ContentParent::ForceKillTimerCallback,
|
|
this,
|
|
timeoutSecs * 1000,
|
|
nsITimer::TYPE_ONE_SHOT,
|
|
"dom::ContentParent::StartForceKillTimer");
|
|
MOZ_ASSERT(mForceKillTimer);
|
|
}
|
|
}
|
|
|
|
void
|
|
ContentParent::NotifyTabDestroyed(const TabId& aTabId,
|
|
bool aNotifiedDestroying)
|
|
{
|
|
if (aNotifiedDestroying) {
|
|
--mNumDestroyingTabs;
|
|
}
|
|
|
|
nsTArray<PContentPermissionRequestParent*> parentArray =
|
|
nsContentPermissionUtils::GetContentPermissionRequestParentById(aTabId);
|
|
|
|
// Need to close undeleted ContentPermissionRequestParents before tab is closed.
|
|
for (auto& permissionRequestParent : parentArray) {
|
|
Unused << PContentPermissionRequestParent::Send__delete__(permissionRequestParent);
|
|
}
|
|
|
|
// There can be more than one PBrowser for a given app process
|
|
// because of popup windows. When the last one closes, shut
|
|
// us down.
|
|
ContentProcessManager* cpm = ContentProcessManager::GetSingleton();
|
|
nsTArray<TabId> tabIds = cpm->GetTabParentsByProcessId(this->ChildID());
|
|
|
|
if (tabIds.Length() == 1 && !ShouldKeepProcessAlive() && !TryToRecycle()) {
|
|
// In the case of normal shutdown, send a shutdown message to child to
|
|
// allow it to perform shutdown tasks.
|
|
MessageLoop::current()->PostTask(
|
|
NewRunnableMethod<ShutDownMethod>("dom::ContentParent::ShutDownProcess",
|
|
this,
|
|
&ContentParent::ShutDownProcess,
|
|
SEND_SHUTDOWN_MESSAGE));
|
|
}
|
|
}
|
|
|
|
jsipc::CPOWManager*
|
|
ContentParent::GetCPOWManager()
|
|
{
|
|
if (PJavaScriptParent* p = LoneManagedOrNullAsserts(ManagedPJavaScriptParent())) {
|
|
return CPOWManagerFor(p);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
TestShellParent*
|
|
ContentParent::CreateTestShell()
|
|
{
|
|
return static_cast<TestShellParent*>(SendPTestShellConstructor());
|
|
}
|
|
|
|
bool
|
|
ContentParent::DestroyTestShell(TestShellParent* aTestShell)
|
|
{
|
|
return PTestShellParent::Send__delete__(aTestShell);
|
|
}
|
|
|
|
TestShellParent*
|
|
ContentParent::GetTestShellSingleton()
|
|
{
|
|
PTestShellParent* p = LoneManagedOrNullAsserts(ManagedPTestShellParent());
|
|
return static_cast<TestShellParent*>(p);
|
|
}
|
|
|
|
bool
|
|
ContentParent::LaunchSubprocess(ProcessPriority aInitialPriority /* = PROCESS_PRIORITY_FOREGROUND */)
|
|
{
|
|
AUTO_PROFILER_LABEL("ContentParent::LaunchSubprocess", OTHER);
|
|
|
|
if (!ContentProcessManager::GetSingleton()) {
|
|
// Shutdown has begun, we shouldn't spawn any more child processes.
|
|
return false;
|
|
}
|
|
|
|
std::vector<std::string> extraArgs;
|
|
extraArgs.push_back("-childID");
|
|
char idStr[21];
|
|
SprintfLiteral(idStr, "%" PRId64, static_cast<uint64_t>(mChildID));
|
|
extraArgs.push_back(idStr);
|
|
extraArgs.push_back(IsForBrowser() ? "-isForBrowser" : "-notForBrowser");
|
|
|
|
// Prefs information is passed via anonymous shared memory to avoid bloating
|
|
// the command line.
|
|
|
|
// Serialize the early prefs.
|
|
nsAutoCStringN<1024> prefs;
|
|
Preferences::SerializeEarlyPreferences(prefs);
|
|
|
|
// Set up the shared memory.
|
|
base::SharedMemory shm;
|
|
if (!shm.Create("", /* read_only */ false, /* open_existing */ false,
|
|
prefs.Length())) {
|
|
NS_ERROR("failed to create shared memory in the parent");
|
|
MarkAsDead();
|
|
return false;
|
|
}
|
|
if (!shm.Map(prefs.Length())) {
|
|
NS_ERROR("failed to map shared memory in the parent");
|
|
MarkAsDead();
|
|
return false;
|
|
}
|
|
|
|
// Copy the serialized prefs into the shared memory.
|
|
memcpy(static_cast<char*>(shm.memory()), prefs.get(), prefs.Length());
|
|
|
|
#if defined(XP_WIN)
|
|
// Record the handle as to-be-shared, and pass it via a command flag. This
|
|
// works because Windows handles are system-wide.
|
|
HANDLE prefsHandle = shm.handle();
|
|
mSubprocess->AddHandleToShare(prefsHandle);
|
|
extraArgs.push_back("-prefsHandle");
|
|
extraArgs.push_back(
|
|
nsPrintfCString("%zu", reinterpret_cast<uintptr_t>(prefsHandle)).get());
|
|
#else
|
|
// In contrast, Unix fds are per-process. So remap the fd to a fixed one that
|
|
// will be used in the child.
|
|
// XXX: bug 1440207 is about improving how fixed fds are used.
|
|
//
|
|
// Note: on Android, AddFdToRemap() sets up the fd to be passed via a Parcel,
|
|
// and the fixed fd isn't used. However, we still need to mark it for
|
|
// remapping so it doesn't get closed in the child.
|
|
mSubprocess->AddFdToRemap(shm.handle().fd, kPrefsFileDescriptor);
|
|
#endif
|
|
|
|
// Pass the length via a command flag.
|
|
extraArgs.push_back("-prefsLen");
|
|
extraArgs.push_back(nsPrintfCString("%zu", uintptr_t(prefs.Length())).get());
|
|
|
|
// Scheduler prefs need to be handled differently because the scheduler needs
|
|
// to start up in the content process before the normal preferences service.
|
|
nsCString schedulerPrefs = Scheduler::GetPrefs();
|
|
extraArgs.push_back("-schedulerPrefs");
|
|
extraArgs.push_back(schedulerPrefs.get());
|
|
|
|
if (gSafeMode) {
|
|
extraArgs.push_back("-safeMode");
|
|
}
|
|
|
|
SetOtherProcessId(kInvalidProcessId, ProcessIdState::ePending);
|
|
if (!mSubprocess->Launch(extraArgs)) {
|
|
NS_ERROR("failed to launch child in the parent");
|
|
MarkAsDead();
|
|
return false;
|
|
}
|
|
|
|
OpenWithAsyncPid(mSubprocess->GetChannel());
|
|
|
|
InitInternal(aInitialPriority);
|
|
|
|
ContentProcessManager::GetSingleton()->AddContentProcess(this);
|
|
|
|
mHangMonitorActor = ProcessHangMonitor::AddProcess(this);
|
|
|
|
// Set a reply timeout for CPOWs.
|
|
SetReplyTimeoutMs(Preferences::GetInt("dom.ipc.cpow.timeout", 0));
|
|
|
|
// TODO: If OtherPid() is not called between mSubprocess->Launch() and this,
|
|
// then we're not really measuring how long it took to spawn the process.
|
|
Telemetry::Accumulate(Telemetry::CONTENT_PROCESS_LAUNCH_TIME_MS,
|
|
static_cast<uint32_t>((TimeStamp::Now() - mLaunchTS)
|
|
.ToMilliseconds()));
|
|
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
if (obs) {
|
|
nsAutoString cpId;
|
|
cpId.AppendInt(static_cast<uint64_t>(this->ChildID()));
|
|
obs->NotifyObservers(static_cast<nsIObserver*>(this), "ipc:content-initializing", cpId.get());
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
ContentParent::ContentParent(ContentParent* aOpener,
|
|
const nsAString& aRemoteType,
|
|
int32_t aJSPluginID)
|
|
: nsIContentParent()
|
|
, mSubprocess(nullptr)
|
|
, mLaunchTS(TimeStamp::Now())
|
|
, mActivateTS(TimeStamp::Now())
|
|
, mOpener(aOpener)
|
|
, mRemoteType(aRemoteType)
|
|
, mChildID(gContentChildID++)
|
|
, mGeolocationWatchID(-1)
|
|
, mJSPluginID(aJSPluginID)
|
|
, mNumDestroyingTabs(0)
|
|
, mIsAvailable(true)
|
|
, mIsAlive(true)
|
|
, mIsForBrowser(!mRemoteType.IsEmpty())
|
|
, mCalledClose(false)
|
|
, mCalledKillHard(false)
|
|
, mCreatedPairedMinidumps(false)
|
|
, mShutdownPending(false)
|
|
, mIPCOpen(true)
|
|
, mIsRemoteInputEventQueueEnabled(false)
|
|
, mIsInputPriorityEventEnabled(false)
|
|
, mHangMonitorActor(nullptr)
|
|
{
|
|
// Insert ourselves into the global linked list of ContentParent objects.
|
|
if (!sContentParents) {
|
|
sContentParents = new LinkedList<ContentParent>();
|
|
}
|
|
sContentParents->insertBack(this);
|
|
|
|
// From this point on, NS_WARNING, NS_ASSERTION, etc. should print out the
|
|
// PID along with the warning.
|
|
nsDebugImpl::SetMultiprocessMode("Parent");
|
|
|
|
#if defined(XP_WIN)
|
|
if (XRE_IsParentProcess()) {
|
|
audio::AudioNotificationSender::Init();
|
|
}
|
|
// Request Windows message deferral behavior on our side of the PContent
|
|
// channel. Generally only applies to the situation where we get caught in
|
|
// a deadlock with the plugin process when sending CPOWs.
|
|
GetIPCChannel()->SetChannelFlags(MessageChannel::REQUIRE_DEFERRED_MESSAGE_PROTECTION);
|
|
#endif
|
|
|
|
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
|
|
bool isFile = mRemoteType.EqualsLiteral(FILE_REMOTE_TYPE);
|
|
mSubprocess = new ContentProcessHost(this, isFile);
|
|
}
|
|
|
|
ContentParent::~ContentParent()
|
|
{
|
|
if (mForceKillTimer) {
|
|
mForceKillTimer->Cancel();
|
|
}
|
|
|
|
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
|
|
|
|
// We should be removed from all these lists in ActorDestroy.
|
|
MOZ_ASSERT(!sPrivateContent || !sPrivateContent->Contains(this));
|
|
if (IsForJSPlugin()) {
|
|
MOZ_ASSERT(!sJSPluginContentParents ||
|
|
!sJSPluginContentParents->Get(mJSPluginID));
|
|
} else {
|
|
MOZ_ASSERT(!sBrowserContentParents ||
|
|
!sBrowserContentParents->Contains(mRemoteType) ||
|
|
!sBrowserContentParents->Get(mRemoteType)->Contains(this));
|
|
}
|
|
#ifdef NIGHTLY_BUILD
|
|
MessageChannel* channel = GetIPCChannel();
|
|
|
|
if (channel && !channel->Unsound_IsClosed()) {
|
|
nsString friendlyName;
|
|
FriendlyName(friendlyName, false);
|
|
|
|
AddRef();
|
|
nsrefcnt refcnt = Release();
|
|
uint32_t numQueuedMessages = 0;
|
|
numQueuedMessages = channel->Unsound_NumQueuedMessages();
|
|
|
|
nsPrintfCString msg("queued-ipc-messages/content-parent"
|
|
"(%s, pid=%d, %s, 0x%p, refcnt=%" PRIuPTR
|
|
", numQueuedMessages=%d, remoteType=%s, "
|
|
"mCalledClose=%s, mCalledKillHard=%s, "
|
|
"mShutdownPending=%s, mIPCOpen=%s)",
|
|
NS_ConvertUTF16toUTF8(friendlyName).get(),
|
|
Pid(), "open channel",
|
|
static_cast<nsIContentParent*>(this), refcnt,
|
|
numQueuedMessages,
|
|
NS_ConvertUTF16toUTF8(mRemoteType).get(),
|
|
mCalledClose ? "true" : "false",
|
|
mCalledKillHard ? "true" : "false",
|
|
mShutdownPending ? "true" : "false",
|
|
mIPCOpen ? "true" : "false");
|
|
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("IPCFatalErrorMsg"),
|
|
msg);
|
|
switch (channel->GetChannelState__TotallyRacy()) {
|
|
case ChannelOpening:
|
|
MOZ_CRASH("MessageChannel destroyed without being closed " \
|
|
"(mChannelState == ChannelOpening).");
|
|
break;
|
|
case ChannelConnected:
|
|
MOZ_CRASH("MessageChannel destroyed without being closed " \
|
|
"(mChannelState == ChannelConnected).");
|
|
break;
|
|
case ChannelTimeout:
|
|
MOZ_CRASH("MessageChannel destroyed without being closed " \
|
|
"(mChannelState == ChannelTimeout).");
|
|
break;
|
|
case ChannelClosing:
|
|
MOZ_CRASH("MessageChannel destroyed without being closed " \
|
|
"(mChannelState == ChannelClosing).");
|
|
break;
|
|
case ChannelError:
|
|
MOZ_CRASH("MessageChannel destroyed without being closed " \
|
|
"(mChannelState == ChannelError).");
|
|
break;
|
|
default:
|
|
MOZ_CRASH("MessageChannel destroyed without being closed.");
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void
|
|
ContentParent::InitInternal(ProcessPriority aInitialPriority)
|
|
{
|
|
Telemetry::Accumulate(Telemetry::CONTENT_PROCESS_LAUNCH_TIME_MS,
|
|
static_cast<uint32_t>((TimeStamp::Now() - mLaunchTS)
|
|
.ToMilliseconds()));
|
|
|
|
XPCOMInitData xpcomInit;
|
|
|
|
Preferences::GetPreferences(&xpcomInit.prefs());
|
|
nsCOMPtr<nsIIOService> io(do_GetIOService());
|
|
MOZ_ASSERT(io, "No IO service?");
|
|
DebugOnly<nsresult> rv = io->GetOffline(&xpcomInit.isOffline());
|
|
MOZ_ASSERT(NS_SUCCEEDED(rv), "Failed getting offline?");
|
|
|
|
rv = io->GetConnectivity(&xpcomInit.isConnected());
|
|
MOZ_ASSERT(NS_SUCCEEDED(rv), "Failed getting connectivity?");
|
|
|
|
xpcomInit.captivePortalState() = nsICaptivePortalService::UNKNOWN;
|
|
nsCOMPtr<nsICaptivePortalService> cps = do_GetService(NS_CAPTIVEPORTAL_CONTRACTID);
|
|
if (cps) {
|
|
cps->GetState(&xpcomInit.captivePortalState());
|
|
}
|
|
|
|
nsIBidiKeyboard* bidi = nsContentUtils::GetBidiKeyboard();
|
|
|
|
xpcomInit.isLangRTL() = false;
|
|
xpcomInit.haveBidiKeyboards() = false;
|
|
if (bidi) {
|
|
bidi->IsLangRTL(&xpcomInit.isLangRTL());
|
|
bidi->GetHaveBidiKeyboards(&xpcomInit.haveBidiKeyboards());
|
|
}
|
|
|
|
nsCOMPtr<nsISpellChecker> spellChecker(do_GetService(NS_SPELLCHECKER_CONTRACTID));
|
|
MOZ_ASSERT(spellChecker, "No spell checker?");
|
|
|
|
spellChecker->GetDictionaryList(&xpcomInit.dictionaries());
|
|
|
|
LocaleService::GetInstance()->GetAppLocalesAsLangTags(xpcomInit.appLocales());
|
|
LocaleService::GetInstance()->GetRequestedLocales(xpcomInit.requestedLocales());
|
|
|
|
nsCOMPtr<nsIClipboard> clipboard(do_GetService("@mozilla.org/widget/clipboard;1"));
|
|
MOZ_ASSERT(clipboard, "No clipboard?");
|
|
|
|
rv = clipboard->SupportsSelectionClipboard(&xpcomInit.clipboardCaps().supportsSelectionClipboard());
|
|
MOZ_ASSERT(NS_SUCCEEDED(rv));
|
|
|
|
rv = clipboard->SupportsFindClipboard(&xpcomInit.clipboardCaps().supportsFindClipboard());
|
|
MOZ_ASSERT(NS_SUCCEEDED(rv));
|
|
|
|
// Let's copy the domain policy from the parent to the child (if it's active).
|
|
StructuredCloneData initialData;
|
|
nsIScriptSecurityManager* ssm = nsContentUtils::GetSecurityManager();
|
|
if (ssm) {
|
|
ssm->CloneDomainPolicy(&xpcomInit.domainPolicy());
|
|
|
|
if (nsFrameMessageManager* mm = nsFrameMessageManager::sParentProcessManager) {
|
|
AutoJSAPI jsapi;
|
|
if (NS_WARN_IF(!jsapi.Init(xpc::PrivilegedJunkScope()))) {
|
|
MOZ_CRASH();
|
|
}
|
|
JS::RootedValue init(jsapi.cx());
|
|
nsresult result = mm->GetInitialProcessData(jsapi.cx(), &init);
|
|
if (NS_FAILED(result)) {
|
|
MOZ_CRASH();
|
|
}
|
|
|
|
ErrorResult rv;
|
|
initialData.Write(jsapi.cx(), init, rv);
|
|
if (NS_WARN_IF(rv.Failed())) {
|
|
rv.SuppressException();
|
|
MOZ_CRASH();
|
|
}
|
|
}
|
|
}
|
|
// This is only implemented (returns a non-empty list) by MacOSX and Linux
|
|
// at present.
|
|
nsTArray<SystemFontListEntry> fontList;
|
|
gfxPlatform::GetPlatform()->ReadSystemFontList(&fontList);
|
|
nsTArray<LookAndFeelInt> lnfCache = LookAndFeel::GetIntCache();
|
|
|
|
// Content processes have no permission to access profile directory, so we
|
|
// send the file URL instead.
|
|
StyleBackendType backendType =
|
|
#ifdef MOZ_OLD_STYLE
|
|
StyleBackendType::Gecko;
|
|
#else
|
|
StyleBackendType::Servo;
|
|
#endif
|
|
StyleSheet* ucs = nsLayoutStylesheetCache::For(backendType)->UserContentSheet();
|
|
if (ucs) {
|
|
SerializeURI(ucs->GetSheetURI(), xpcomInit.userContentSheetURL());
|
|
} else {
|
|
SerializeURI(nullptr, xpcomInit.userContentSheetURL());
|
|
}
|
|
|
|
// 1. Build ContentDeviceData first, as it may affect some gfxVars.
|
|
gfxPlatform::GetPlatform()->BuildContentDeviceData(&xpcomInit.contentDeviceData());
|
|
// 2. Gather non-default gfxVars.
|
|
xpcomInit.gfxNonDefaultVarUpdates() = gfxVars::FetchNonDefaultVars();
|
|
// 3. Start listening for gfxVars updates, to notify content process later on.
|
|
gfxVars::AddReceiver(this);
|
|
|
|
nsCOMPtr<nsIGfxInfo> gfxInfo = services::GetGfxInfo();
|
|
if (gfxInfo) {
|
|
for (int32_t i = 1; i <= nsIGfxInfo::FEATURE_MAX_VALUE; ++i) {
|
|
int32_t status = 0;
|
|
nsAutoCString failureId;
|
|
gfxInfo->GetFeatureStatus(i, failureId, &status);
|
|
dom::GfxInfoFeatureStatus gfxFeatureStatus;
|
|
gfxFeatureStatus.feature() = i;
|
|
gfxFeatureStatus.status() = status;
|
|
gfxFeatureStatus.failureId() = failureId;
|
|
xpcomInit.gfxFeatureStatus().AppendElement(gfxFeatureStatus);
|
|
}
|
|
}
|
|
|
|
DataStorage::GetAllChildProcessData(xpcomInit.dataStorage());
|
|
|
|
// Send the dynamic scalar definitions to the new process.
|
|
TelemetryIPC::GetDynamicScalarDefinitions(xpcomInit.dynamicScalarDefs());
|
|
|
|
// Must send screen info before send initialData
|
|
ScreenManager& screenManager = ScreenManager::GetSingleton();
|
|
screenManager.CopyScreensToRemote(this);
|
|
|
|
Unused << SendSetXPCOMProcessAttributes(xpcomInit, initialData, lnfCache,
|
|
fontList);
|
|
|
|
nsCOMPtr<nsIChromeRegistry> registrySvc = nsChromeRegistry::GetService();
|
|
nsChromeRegistryChrome* chromeRegistry =
|
|
static_cast<nsChromeRegistryChrome*>(registrySvc.get());
|
|
chromeRegistry->SendRegisteredChrome(this);
|
|
|
|
if (gAppData) {
|
|
nsCString version(gAppData->version);
|
|
nsCString buildID(gAppData->buildID);
|
|
nsCString name(gAppData->name);
|
|
nsCString UAName(gAppData->UAName);
|
|
nsCString ID(gAppData->ID);
|
|
nsCString vendor(gAppData->vendor);
|
|
|
|
// Sending all information to content process.
|
|
Unused << SendAppInfo(version, buildID, name, UAName, ID, vendor);
|
|
}
|
|
|
|
// Send the child its remote type. On Mac, this needs to be sent prior
|
|
// to the message we send to enable the Sandbox (SendStartProcessSandbox)
|
|
// because different remote types require different sandbox privileges.
|
|
Unused << SendRemoteType(mRemoteType);
|
|
|
|
ScriptPreloader::InitContentChild(*this);
|
|
|
|
// Initialize the message manager (and load delayed scripts) now that we
|
|
// have established communications with the child.
|
|
mMessageManager->InitWithCallback(this);
|
|
|
|
// Set the subprocess's priority. We do this early on because we're likely
|
|
// /lowering/ the process's CPU and memory priority, which it has inherited
|
|
// from this process.
|
|
//
|
|
// This call can cause us to send IPC messages to the child process, so it
|
|
// must come after the Open() call above.
|
|
ProcessPriorityManager::SetProcessPriority(this, aInitialPriority);
|
|
|
|
// NB: internally, this will send an IPC message to the child
|
|
// process to get it to create the CompositorBridgeChild. This
|
|
// message goes through the regular IPC queue for this
|
|
// channel, so delivery will happen-before any other messages
|
|
// we send. The CompositorBridgeChild must be created before any
|
|
// PBrowsers are created, because they rely on the Compositor
|
|
// already being around. (Creation is async, so can't happen
|
|
// on demand.)
|
|
GPUProcessManager* gpm = GPUProcessManager::Get();
|
|
|
|
Endpoint<PCompositorManagerChild> compositor;
|
|
Endpoint<PImageBridgeChild> imageBridge;
|
|
Endpoint<PVRManagerChild> vrBridge;
|
|
Endpoint<PVideoDecoderManagerChild> videoManager;
|
|
AutoTArray<uint32_t, 3> namespaces;
|
|
|
|
DebugOnly<bool> opened = gpm->CreateContentBridges(OtherPid(),
|
|
&compositor,
|
|
&imageBridge,
|
|
&vrBridge,
|
|
&videoManager,
|
|
&namespaces);
|
|
MOZ_ASSERT(opened);
|
|
|
|
Unused << SendInitRendering(Move(compositor),
|
|
Move(imageBridge),
|
|
Move(vrBridge),
|
|
Move(videoManager),
|
|
namespaces);
|
|
|
|
gpm->AddListener(this);
|
|
|
|
nsStyleSheetService *sheetService = nsStyleSheetService::GetInstance();
|
|
if (sheetService) {
|
|
// This looks like a lot of work, but in a normal browser session we just
|
|
// send two loads.
|
|
//
|
|
// The URIs of the Gecko and Servo sheets should be the same, so it
|
|
// shouldn't matter which we look at.
|
|
|
|
for (StyleSheet* sheet : *sheetService->AgentStyleSheets(backendType)) {
|
|
URIParams uri;
|
|
SerializeURI(sheet->GetSheetURI(), uri);
|
|
Unused << SendLoadAndRegisterSheet(uri, nsIStyleSheetService::AGENT_SHEET);
|
|
}
|
|
|
|
for (StyleSheet* sheet : *sheetService->UserStyleSheets(backendType)) {
|
|
URIParams uri;
|
|
SerializeURI(sheet->GetSheetURI(), uri);
|
|
Unused << SendLoadAndRegisterSheet(uri, nsIStyleSheetService::USER_SHEET);
|
|
}
|
|
|
|
for (StyleSheet* sheet : *sheetService->AuthorStyleSheets(backendType)) {
|
|
URIParams uri;
|
|
SerializeURI(sheet->GetSheetURI(), uri);
|
|
Unused << SendLoadAndRegisterSheet(uri, nsIStyleSheetService::AUTHOR_SHEET);
|
|
}
|
|
}
|
|
|
|
#if defined(XP_WIN)
|
|
// Send the info needed to join the browser process's audio session.
|
|
nsID id;
|
|
nsString sessionName;
|
|
nsString iconPath;
|
|
if (NS_SUCCEEDED(mozilla::widget::GetAudioSessionData(id, sessionName,
|
|
iconPath))) {
|
|
Unused << SendSetAudioSessionData(id, sessionName, iconPath);
|
|
}
|
|
#endif
|
|
|
|
#ifdef MOZ_CONTENT_SANDBOX
|
|
bool shouldSandbox = true;
|
|
MaybeFileDesc brokerFd = void_t();
|
|
// XXX: Checking the pref here makes it possible to enable/disable sandboxing
|
|
// during an active session. Currently the pref is only used for testing
|
|
// purpose. If the decision is made to permanently rely on the pref, this
|
|
// should be changed so that it is required to restart firefox for the change
|
|
// of value to take effect.
|
|
shouldSandbox = IsContentSandboxEnabled();
|
|
|
|
#ifdef XP_LINUX
|
|
if (shouldSandbox) {
|
|
MOZ_ASSERT(!mSandboxBroker);
|
|
bool isFileProcess = mRemoteType.EqualsLiteral(FILE_REMOTE_TYPE);
|
|
UniquePtr<SandboxBroker::Policy> policy =
|
|
sSandboxBrokerPolicyFactory->GetContentPolicy(Pid(), isFileProcess);
|
|
if (policy) {
|
|
brokerFd = FileDescriptor();
|
|
mSandboxBroker = SandboxBroker::Create(Move(policy), Pid(), brokerFd);
|
|
if (!mSandboxBroker) {
|
|
KillHard("SandboxBroker::Create failed");
|
|
return;
|
|
}
|
|
MOZ_ASSERT(static_cast<const FileDescriptor&>(brokerFd).IsValid());
|
|
}
|
|
}
|
|
#endif
|
|
if (shouldSandbox && !SendSetProcessSandbox(brokerFd)) {
|
|
KillHard("SandboxInitFailed");
|
|
}
|
|
#endif
|
|
|
|
{
|
|
RefPtr<ServiceWorkerRegistrar> swr = ServiceWorkerRegistrar::Get();
|
|
MOZ_ASSERT(swr);
|
|
|
|
nsTArray<ServiceWorkerRegistrationData> registrations;
|
|
swr->GetRegistrations(registrations);
|
|
|
|
// Send down to the content process the permissions for each of the
|
|
// registered service worker scopes.
|
|
for (auto& registration : registrations) {
|
|
nsCOMPtr<nsIPrincipal> principal = PrincipalInfoToPrincipal(registration.principal());
|
|
if (principal) {
|
|
TransmitPermissionsForPrincipal(principal);
|
|
}
|
|
}
|
|
|
|
Unused << SendInitServiceWorkers(ServiceWorkerConfiguration(registrations));
|
|
}
|
|
|
|
{
|
|
nsTArray<BlobURLRegistrationData> registrations;
|
|
if (nsHostObjectProtocolHandler::GetAllBlobURLEntries(registrations,
|
|
this)) {
|
|
Unused << SendInitBlobURLs(registrations);
|
|
}
|
|
}
|
|
|
|
// Start up nsPluginHost and run FindPlugins to cache the plugin list.
|
|
// If this isn't our first content process, just send over cached list.
|
|
RefPtr<nsPluginHost> pluginHost = nsPluginHost::GetInst();
|
|
pluginHost->SendPluginsToContent();
|
|
MaybeEnableRemoteInputEventQueue();
|
|
}
|
|
|
|
bool
|
|
ContentParent::IsAlive() const
|
|
{
|
|
return mIsAlive;
|
|
}
|
|
|
|
int32_t
|
|
ContentParent::Pid() const
|
|
{
|
|
if (!mSubprocess || !mSubprocess->GetChildProcessHandle()) {
|
|
return -1;
|
|
}
|
|
return base::GetProcId(mSubprocess->GetChildProcessHandle());
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvGetGfxVars(InfallibleTArray<GfxVarUpdate>* aVars)
|
|
{
|
|
// Ensure gfxVars is initialized (for xpcshell tests).
|
|
gfxVars::Initialize();
|
|
|
|
*aVars = gfxVars::FetchNonDefaultVars();
|
|
|
|
// Now that content has initialized gfxVars, we can start listening for
|
|
// updates.
|
|
gfxVars::AddReceiver(this);
|
|
return IPC_OK();
|
|
}
|
|
|
|
void
|
|
ContentParent::OnCompositorUnexpectedShutdown()
|
|
{
|
|
GPUProcessManager* gpm = GPUProcessManager::Get();
|
|
|
|
Endpoint<PCompositorManagerChild> compositor;
|
|
Endpoint<PImageBridgeChild> imageBridge;
|
|
Endpoint<PVRManagerChild> vrBridge;
|
|
Endpoint<PVideoDecoderManagerChild> videoManager;
|
|
AutoTArray<uint32_t, 3> namespaces;
|
|
|
|
DebugOnly<bool> opened = gpm->CreateContentBridges(
|
|
OtherPid(),
|
|
&compositor,
|
|
&imageBridge,
|
|
&vrBridge,
|
|
&videoManager,
|
|
&namespaces);
|
|
MOZ_ASSERT(opened);
|
|
|
|
Unused << SendReinitRendering(
|
|
Move(compositor),
|
|
Move(imageBridge),
|
|
Move(vrBridge),
|
|
Move(videoManager),
|
|
namespaces);
|
|
}
|
|
|
|
void
|
|
ContentParent::OnCompositorDeviceReset()
|
|
{
|
|
Unused << SendReinitRenderingForDeviceReset();
|
|
}
|
|
|
|
PClientOpenWindowOpParent*
|
|
ContentParent::AllocPClientOpenWindowOpParent(const ClientOpenWindowArgs& aArgs)
|
|
{
|
|
return AllocClientOpenWindowOpParent(aArgs);
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPClientOpenWindowOpParent(PClientOpenWindowOpParent* aActor)
|
|
{
|
|
return DeallocClientOpenWindowOpParent(aActor);
|
|
}
|
|
|
|
void
|
|
ContentParent::MaybeEnableRemoteInputEventQueue()
|
|
{
|
|
MOZ_ASSERT(!mIsRemoteInputEventQueueEnabled);
|
|
if (!IsInputEventQueueSupported()) {
|
|
return;
|
|
}
|
|
mIsRemoteInputEventQueueEnabled = true;
|
|
Unused << SendSetInputEventQueueEnabled();
|
|
SetInputPriorityEventEnabled(true);
|
|
}
|
|
|
|
void
|
|
ContentParent::SetInputPriorityEventEnabled(bool aEnabled)
|
|
{
|
|
if (!IsInputEventQueueSupported() ||
|
|
!mIsRemoteInputEventQueueEnabled ||
|
|
mIsInputPriorityEventEnabled == aEnabled) {
|
|
return;
|
|
}
|
|
mIsInputPriorityEventEnabled = aEnabled;
|
|
// Send IPC messages to flush the pending events in the input event queue and
|
|
// the normal event queue. See PContent.ipdl for more details.
|
|
Unused << SendSuspendInputEventQueue();
|
|
Unused << SendFlushInputEventQueue();
|
|
Unused << SendResumeInputEventQueue();
|
|
}
|
|
|
|
/*static*/ bool
|
|
ContentParent::IsInputEventQueueSupported()
|
|
{
|
|
static bool sSupported = false;
|
|
static bool sInitialized = false;
|
|
if (!sInitialized) {
|
|
MOZ_ASSERT(Preferences::IsServiceAvailable());
|
|
sSupported = Preferences::GetBool("input_event_queue.supported", false);
|
|
sInitialized = true;
|
|
}
|
|
return sSupported;
|
|
}
|
|
|
|
void
|
|
ContentParent::OnVarChanged(const GfxVarUpdate& aVar)
|
|
{
|
|
if (!mIPCOpen) {
|
|
return;
|
|
}
|
|
Unused << SendVarUpdate(aVar);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvReadFontList(InfallibleTArray<FontListEntry>* retValue)
|
|
{
|
|
#ifdef ANDROID
|
|
gfxAndroidPlatform::GetPlatform()->GetSystemFontList(retValue);
|
|
#endif
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvSetClipboard(const IPCDataTransfer& aDataTransfer,
|
|
const bool& aIsPrivateData,
|
|
const IPC::Principal& aRequestingPrincipal,
|
|
const uint32_t& aContentPolicyType,
|
|
const int32_t& aWhichClipboard)
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsIClipboard> clipboard(do_GetService(kCClipboardCID, &rv));
|
|
NS_ENSURE_SUCCESS(rv, IPC_OK());
|
|
|
|
nsCOMPtr<nsITransferable> trans =
|
|
do_CreateInstance("@mozilla.org/widget/transferable;1", &rv);
|
|
NS_ENSURE_SUCCESS(rv, IPC_OK());
|
|
trans->Init(nullptr);
|
|
|
|
rv = nsContentUtils::IPCTransferableToTransferable(aDataTransfer,
|
|
aIsPrivateData,
|
|
aRequestingPrincipal,
|
|
aContentPolicyType,
|
|
trans, this, nullptr);
|
|
NS_ENSURE_SUCCESS(rv, IPC_OK());
|
|
|
|
clipboard->SetData(trans, nullptr, aWhichClipboard);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvGetClipboard(nsTArray<nsCString>&& aTypes,
|
|
const int32_t& aWhichClipboard,
|
|
IPCDataTransfer* aDataTransfer)
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsIClipboard> clipboard(do_GetService(kCClipboardCID, &rv));
|
|
NS_ENSURE_SUCCESS(rv, IPC_OK());
|
|
|
|
nsCOMPtr<nsITransferable> trans = do_CreateInstance("@mozilla.org/widget/transferable;1", &rv);
|
|
NS_ENSURE_SUCCESS(rv, IPC_OK());
|
|
trans->Init(nullptr);
|
|
|
|
for (uint32_t t = 0; t < aTypes.Length(); t++) {
|
|
trans->AddDataFlavor(aTypes[t].get());
|
|
}
|
|
|
|
clipboard->GetData(trans, aWhichClipboard);
|
|
nsContentUtils::TransferableToIPCTransferable(trans, aDataTransfer,
|
|
true, nullptr, this);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvEmptyClipboard(const int32_t& aWhichClipboard)
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsIClipboard> clipboard(do_GetService(kCClipboardCID, &rv));
|
|
NS_ENSURE_SUCCESS(rv, IPC_OK());
|
|
|
|
clipboard->EmptyClipboard(aWhichClipboard);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvClipboardHasType(nsTArray<nsCString>&& aTypes,
|
|
const int32_t& aWhichClipboard,
|
|
bool* aHasType)
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsIClipboard> clipboard(do_GetService(kCClipboardCID, &rv));
|
|
NS_ENSURE_SUCCESS(rv, IPC_OK());
|
|
|
|
const char** typesChrs = new const char *[aTypes.Length()];
|
|
for (uint32_t t = 0; t < aTypes.Length(); t++) {
|
|
typesChrs[t] = aTypes[t].get();
|
|
}
|
|
|
|
clipboard->HasDataMatchingFlavors(typesChrs, aTypes.Length(),
|
|
aWhichClipboard, aHasType);
|
|
|
|
delete [] typesChrs;
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvPlaySound(const URIParams& aURI)
|
|
{
|
|
nsCOMPtr<nsIURI> soundURI = DeserializeURI(aURI);
|
|
bool isChrome = false;
|
|
// If the check here fails, it can only mean that this message was spoofed.
|
|
if (!soundURI || NS_FAILED(soundURI->SchemeIs("chrome", &isChrome)) || !isChrome) {
|
|
KillHard("PlaySound only accepts a valid chrome URI.");
|
|
return IPC_OK();
|
|
}
|
|
nsCOMPtr<nsIURL> soundURL(do_QueryInterface(soundURI));
|
|
if (!soundURL) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsresult rv;
|
|
nsCOMPtr<nsISound> sound(do_GetService(NS_SOUND_CID, &rv));
|
|
NS_ENSURE_SUCCESS(rv, IPC_OK());
|
|
|
|
sound->Play(soundURL);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvBeep()
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsISound> sound(do_GetService(NS_SOUND_CID, &rv));
|
|
NS_ENSURE_SUCCESS(rv, IPC_OK());
|
|
|
|
sound->Beep();
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvPlayEventSound(const uint32_t& aEventId)
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsISound> sound(do_GetService(NS_SOUND_CID, &rv));
|
|
NS_ENSURE_SUCCESS(rv, IPC_OK());
|
|
|
|
sound->PlayEventSound(aEventId);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvGetSystemColors(const uint32_t& colorsCount,
|
|
InfallibleTArray<uint32_t>* colors)
|
|
{
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
NS_ASSERTION(AndroidBridge::Bridge() != nullptr, "AndroidBridge is not available");
|
|
if (AndroidBridge::Bridge() == nullptr) {
|
|
// Do not fail - the colors won't be right, but it's not critical
|
|
return IPC_OK();
|
|
}
|
|
|
|
colors->AppendElements(colorsCount);
|
|
|
|
// The array elements correspond to the members of AndroidSystemColors structure,
|
|
// so just pass the pointer to the elements buffer
|
|
AndroidBridge::Bridge()->GetSystemColors((AndroidSystemColors*)colors->Elements());
|
|
#endif
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvGetIconForExtension(const nsCString& aFileExt,
|
|
const uint32_t& aIconSize,
|
|
InfallibleTArray<uint8_t>* bits)
|
|
{
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
NS_ASSERTION(AndroidBridge::Bridge() != nullptr, "AndroidBridge is not available");
|
|
if (AndroidBridge::Bridge() == nullptr) {
|
|
// Do not fail - just no icon will be shown
|
|
return IPC_OK();
|
|
}
|
|
|
|
bits->AppendElements(aIconSize * aIconSize * 4);
|
|
|
|
AndroidBridge::Bridge()->GetIconForExtension(aFileExt, aIconSize, bits->Elements());
|
|
#endif
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvGetShowPasswordSetting(bool* showPassword)
|
|
{
|
|
// default behavior is to show the last password character
|
|
*showPassword = true;
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
NS_ASSERTION(AndroidBridge::Bridge() != nullptr, "AndroidBridge is not available");
|
|
|
|
*showPassword = java::GeckoAppShell::GetShowPasswordSetting();
|
|
#endif
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvFirstIdle()
|
|
{
|
|
// When the ContentChild goes idle, it sends us a FirstIdle message
|
|
// which we use as a good time to signal the PreallocatedProcessManager
|
|
// that it can start allocating processes from now on.
|
|
PreallocatedProcessManager::RemoveBlocker(this);
|
|
return IPC_OK();
|
|
}
|
|
|
|
// We want ContentParent to show up in CC logs for debugging purposes, but we
|
|
// don't actually cycle collect it.
|
|
NS_IMPL_CYCLE_COLLECTION_0(ContentParent)
|
|
|
|
NS_IMPL_CYCLE_COLLECTING_ADDREF(ContentParent)
|
|
NS_IMPL_CYCLE_COLLECTING_RELEASE(ContentParent)
|
|
|
|
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ContentParent)
|
|
NS_INTERFACE_MAP_ENTRY(nsIContentParent)
|
|
NS_INTERFACE_MAP_ENTRY(nsIObserver)
|
|
NS_INTERFACE_MAP_ENTRY(nsIDOMGeoPositionCallback)
|
|
NS_INTERFACE_MAP_ENTRY(nsIDOMGeoPositionErrorCallback)
|
|
NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
|
|
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIObserver)
|
|
NS_INTERFACE_MAP_END
|
|
|
|
NS_IMETHODIMP
|
|
ContentParent::Observe(nsISupports* aSubject,
|
|
const char* aTopic,
|
|
const char16_t* aData)
|
|
{
|
|
if (mSubprocess && (!strcmp(aTopic, "profile-before-change") ||
|
|
!strcmp(aTopic, "xpcom-shutdown"))) {
|
|
// Okay to call ShutDownProcess multiple times.
|
|
ShutDownProcess(SEND_SHUTDOWN_MESSAGE);
|
|
|
|
// Wait for shutdown to complete, so that we receive any shutdown
|
|
// data (e.g. telemetry) from the child before we quit.
|
|
// This loop terminate prematurely based on mForceKillTimer.
|
|
SpinEventLoopUntil([&]() { return !mIPCOpen || mCalledKillHard; });
|
|
NS_ASSERTION(!mSubprocess, "Close should have nulled mSubprocess");
|
|
}
|
|
|
|
if (!mIsAlive || !mSubprocess)
|
|
return NS_OK;
|
|
|
|
// listening for memory pressure event
|
|
if (!strcmp(aTopic, "memory-pressure") &&
|
|
!StringEndsWith(nsDependentString(aData),
|
|
NS_LITERAL_STRING("-no-forward"))) {
|
|
Unused << SendFlushMemory(nsDependentString(aData));
|
|
}
|
|
else if (!strcmp(aTopic, "nsPref:changed")) {
|
|
// A pref changed. If it's not on the blacklist, inform child processes.
|
|
#define BLACKLIST_ENTRY(s) { s, (sizeof(s)/sizeof(char16_t)) - 1 }
|
|
struct BlacklistEntry {
|
|
const char16_t* mPrefBranch;
|
|
size_t mLen;
|
|
};
|
|
// These prefs are not useful in child processes.
|
|
static const BlacklistEntry sContentPrefBranchBlacklist[] = {
|
|
BLACKLIST_ENTRY(u"app.update.lastUpdateTime."),
|
|
BLACKLIST_ENTRY(u"datareporting.policy."),
|
|
BLACKLIST_ENTRY(u"browser.safebrowsing.provider."),
|
|
BLACKLIST_ENTRY(u"extensions.getAddons.cache."),
|
|
BLACKLIST_ENTRY(u"media.gmp-manager."),
|
|
BLACKLIST_ENTRY(u"media.gmp-gmpopenh264."),
|
|
};
|
|
#undef BLACKLIST_ENTRY
|
|
|
|
for (const auto& entry : sContentPrefBranchBlacklist) {
|
|
if (NS_strncmp(entry.mPrefBranch, aData, entry.mLen) == 0) {
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
// We know prefs are ASCII here.
|
|
NS_LossyConvertUTF16toASCII strData(aData);
|
|
|
|
Pref pref(strData, /* isLocked */ false, null_t(), null_t());
|
|
Preferences::GetPreference(&pref);
|
|
if (!SendPreferenceUpdate(pref)) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
}
|
|
else if (!strcmp(aTopic, NS_IPC_IOSERVICE_SET_OFFLINE_TOPIC)) {
|
|
NS_ConvertUTF16toUTF8 dataStr(aData);
|
|
const char *offline = dataStr.get();
|
|
if (!SendSetOffline(!strcmp(offline, "true") ? true : false)) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
}
|
|
else if (!strcmp(aTopic, NS_IPC_IOSERVICE_SET_CONNECTIVITY_TOPIC)) {
|
|
if (!SendSetConnectivity(NS_LITERAL_STRING("true").Equals(aData))) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
} else if (!strcmp(aTopic, NS_IPC_CAPTIVE_PORTAL_SET_STATE)) {
|
|
nsCOMPtr<nsICaptivePortalService> cps = do_QueryInterface(aSubject);
|
|
MOZ_ASSERT(cps, "Should QI to a captive portal service");
|
|
if (!cps) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
int32_t state;
|
|
cps->GetState(&state);
|
|
if (!SendSetCaptivePortalState(state)) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
}
|
|
// listening for alert notifications
|
|
else if (!strcmp(aTopic, "alertfinished") ||
|
|
!strcmp(aTopic, "alertclickcallback") ||
|
|
!strcmp(aTopic, "alertshow") ||
|
|
!strcmp(aTopic, "alertdisablecallback") ||
|
|
!strcmp(aTopic, "alertsettingscallback")) {
|
|
if (!SendNotifyAlertsObserver(nsDependentCString(aTopic),
|
|
nsDependentString(aData)))
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
else if (!strcmp(aTopic, "child-gc-request")){
|
|
Unused << SendGarbageCollect();
|
|
}
|
|
else if (!strcmp(aTopic, "child-cc-request")){
|
|
Unused << SendCycleCollect();
|
|
}
|
|
else if (!strcmp(aTopic, "child-mmu-request")){
|
|
Unused << SendMinimizeMemoryUsage();
|
|
}
|
|
else if (!strcmp(aTopic, "child-ghost-request")){
|
|
Unused << SendUnlinkGhosts();
|
|
}
|
|
else if (!strcmp(aTopic, "last-pb-context-exited")) {
|
|
Unused << SendLastPrivateDocShellDestroyed();
|
|
}
|
|
#ifdef ACCESSIBILITY
|
|
else if (aData && !strcmp(aTopic, "a11y-init-or-shutdown")) {
|
|
if (*aData == '1') {
|
|
// Shut down the preallocated process manager to avoid recycled
|
|
// content processes.
|
|
PreallocatedProcessManager::Disable();
|
|
// Make sure accessibility is running in content process when
|
|
// accessibility gets initiated in chrome process.
|
|
#if defined(XP_WIN)
|
|
// Don't init content a11y if we detect an incompat version of JAWS in use.
|
|
if (!mozilla::a11y::Compatibility::IsOldJAWS()) {
|
|
Unused << SendActivateA11y(::GetCurrentThreadId(),
|
|
a11y::AccessibleWrap::GetContentProcessIdFor(ChildID()));
|
|
}
|
|
#else
|
|
Unused << SendActivateA11y(0, 0);
|
|
#endif
|
|
} else {
|
|
// If possible, shut down accessibility in content process when
|
|
// accessibility gets shutdown in chrome process.
|
|
Unused << SendShutdownA11y();
|
|
}
|
|
}
|
|
#endif
|
|
else if (!strcmp(aTopic, "cacheservice:empty-cache")) {
|
|
Unused << SendNotifyEmptyHTTPCache();
|
|
}
|
|
else if (!strcmp(aTopic, "intl:app-locales-changed")) {
|
|
nsTArray<nsCString> appLocales;
|
|
LocaleService::GetInstance()->GetAppLocalesAsLangTags(appLocales);
|
|
Unused << SendUpdateAppLocales(appLocales);
|
|
}
|
|
else if (!strcmp(aTopic, "intl:requested-locales-changed")) {
|
|
nsTArray<nsCString> requestedLocales;
|
|
LocaleService::GetInstance()->GetRequestedLocales(requestedLocales);
|
|
Unused << SendUpdateRequestedLocales(requestedLocales);
|
|
}
|
|
else if (!strcmp(aTopic, "non-js-cookie-changed")) {
|
|
if (!aData) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
PNeckoParent *neckoParent = LoneManagedOrNullAsserts(ManagedPNeckoParent());
|
|
if (!neckoParent) {
|
|
return NS_OK;
|
|
}
|
|
PCookieServiceParent *csParent = LoneManagedOrNullAsserts(neckoParent->ManagedPCookieServiceParent());
|
|
if (!csParent) {
|
|
return NS_OK;
|
|
}
|
|
auto *cs = static_cast<CookieServiceParent*>(csParent);
|
|
if (!nsCRT::strcmp(aData, u"batch-deleted")) {
|
|
nsCOMPtr<nsIArray> cookieList = do_QueryInterface(aSubject);
|
|
NS_ASSERTION(cookieList, "couldn't get cookie list");
|
|
cs->RemoveBatchDeletedCookies(cookieList);
|
|
return NS_OK;
|
|
}
|
|
|
|
if (!nsCRT::strcmp(aData, u"cleared")) {
|
|
cs->RemoveAll();
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsICookie> xpcCookie = do_QueryInterface(aSubject);
|
|
NS_ASSERTION(xpcCookie, "couldn't get cookie");
|
|
if (!nsCRT::strcmp(aData, u"deleted")) {
|
|
cs->RemoveCookie(xpcCookie);
|
|
} else if ((!nsCRT::strcmp(aData, u"added")) ||
|
|
(!nsCRT::strcmp(aData, u"changed"))) {
|
|
cs->AddCookie(xpcCookie);
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
ContentParent::GetInterface(const nsIID& aIID, void** aResult)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aResult);
|
|
|
|
if (aIID.Equals(NS_GET_IID(nsIMessageSender))) {
|
|
nsCOMPtr<nsIMessageSender> mm = GetMessageManager();
|
|
mm.forget(aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
return NS_NOINTERFACE;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvInitBackground(Endpoint<PBackgroundParent>&& aEndpoint)
|
|
{
|
|
if (!BackgroundParent::Alloc(this, Move(aEndpoint))) {
|
|
return IPC_FAIL(this, "BackgroundParent::Alloc failed");
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::jsipc::PJavaScriptParent *
|
|
ContentParent::AllocPJavaScriptParent()
|
|
{
|
|
MOZ_ASSERT(ManagedPJavaScriptParent().IsEmpty());
|
|
return nsIContentParent::AllocPJavaScriptParent();
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPJavaScriptParent(PJavaScriptParent *parent)
|
|
{
|
|
return nsIContentParent::DeallocPJavaScriptParent(parent);
|
|
}
|
|
|
|
PBrowserParent*
|
|
ContentParent::AllocPBrowserParent(const TabId& aTabId,
|
|
const TabId& aSameTabGroupAs,
|
|
const IPCTabContext& aContext,
|
|
const uint32_t& aChromeFlags,
|
|
const ContentParentId& aCpId,
|
|
const bool& aIsForBrowser)
|
|
{
|
|
return nsIContentParent::AllocPBrowserParent(aTabId,
|
|
aSameTabGroupAs,
|
|
aContext,
|
|
aChromeFlags,
|
|
aCpId,
|
|
aIsForBrowser);
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPBrowserParent(PBrowserParent* frame)
|
|
{
|
|
return nsIContentParent::DeallocPBrowserParent(frame);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvPBrowserConstructor(PBrowserParent* actor,
|
|
const TabId& tabId,
|
|
const TabId& sameTabGroupAs,
|
|
const IPCTabContext& context,
|
|
const uint32_t& chromeFlags,
|
|
const ContentParentId& cpId,
|
|
const bool& isForBrowser)
|
|
{
|
|
return nsIContentParent::RecvPBrowserConstructor(actor,
|
|
tabId,
|
|
sameTabGroupAs,
|
|
context,
|
|
chromeFlags,
|
|
cpId,
|
|
isForBrowser);
|
|
}
|
|
|
|
PIPCBlobInputStreamParent*
|
|
ContentParent::AllocPIPCBlobInputStreamParent(const nsID& aID,
|
|
const uint64_t& aSize)
|
|
{
|
|
return nsIContentParent::AllocPIPCBlobInputStreamParent(aID, aSize);
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPIPCBlobInputStreamParent(PIPCBlobInputStreamParent* aActor)
|
|
{
|
|
return nsIContentParent::DeallocPIPCBlobInputStreamParent(aActor);
|
|
}
|
|
|
|
mozilla::PRemoteSpellcheckEngineParent *
|
|
ContentParent::AllocPRemoteSpellcheckEngineParent()
|
|
{
|
|
mozilla::RemoteSpellcheckEngineParent *parent = new mozilla::RemoteSpellcheckEngineParent();
|
|
return parent;
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPRemoteSpellcheckEngineParent(PRemoteSpellcheckEngineParent *parent)
|
|
{
|
|
delete parent;
|
|
return true;
|
|
}
|
|
|
|
/* static */ void
|
|
ContentParent::ForceKillTimerCallback(nsITimer* aTimer, void* aClosure)
|
|
{
|
|
// We don't want to time out the content process during XPCShell tests. This
|
|
// is the easiest way to ensure that.
|
|
if (PR_GetEnv("XPCSHELL_TEST_PROFILE_DIR")) {
|
|
return;
|
|
}
|
|
|
|
auto self = static_cast<ContentParent*>(aClosure);
|
|
self->KillHard("ShutDownKill");
|
|
}
|
|
|
|
// WARNING: aReason appears in telemetry, so any new value passed in requires
|
|
// data review.
|
|
void
|
|
ContentParent::KillHard(const char* aReason)
|
|
{
|
|
AUTO_PROFILER_LABEL("ContentParent::KillHard", OTHER);
|
|
|
|
// On Windows, calling KillHard multiple times causes problems - the
|
|
// process handle becomes invalid on the first call, causing a second call
|
|
// to crash our process - more details in bug 890840.
|
|
if (mCalledKillHard) {
|
|
return;
|
|
}
|
|
mCalledKillHard = true;
|
|
mForceKillTimer = nullptr;
|
|
|
|
// We're about to kill the child process associated with this content.
|
|
// Something has gone wrong to get us here, so we generate a minidump
|
|
// of the parent and child for submission to the crash server.
|
|
if (mCrashReporter) {
|
|
// GeneratePairedMinidump creates two minidumps for us - the main
|
|
// one is for the content process we're about to kill, and the other
|
|
// one is for the main browser process. That second one is the extra
|
|
// minidump tagging along, so we have to tell the crash reporter that
|
|
// it exists and is being appended.
|
|
nsAutoCString additionalDumps("browser");
|
|
mCrashReporter->AddNote(
|
|
NS_LITERAL_CSTRING("additional_minidumps"),
|
|
additionalDumps);
|
|
nsDependentCString reason(aReason);
|
|
mCrashReporter->AddNote(
|
|
NS_LITERAL_CSTRING("ipc_channel_error"),
|
|
reason);
|
|
|
|
Telemetry::Accumulate(Telemetry::SUBPROCESS_KILL_HARD, reason, 1);
|
|
|
|
RefPtr<ContentParent> self = this;
|
|
std::function<void(bool)> callback = [self](bool aResult) {
|
|
self->OnGenerateMinidumpComplete(aResult);
|
|
};
|
|
// Generate the report and insert into the queue for submittal.
|
|
mCrashReporter->GenerateMinidumpAndPair(Process(),
|
|
nullptr,
|
|
NS_LITERAL_CSTRING("browser"),
|
|
Move(callback),
|
|
true);
|
|
return;
|
|
}
|
|
|
|
OnGenerateMinidumpComplete(false);
|
|
}
|
|
|
|
void
|
|
ContentParent::OnGenerateMinidumpComplete(bool aDumpResult)
|
|
{
|
|
if (mCrashReporter && aDumpResult) {
|
|
// CrashReporterHost::GenerateMinidumpAndPair() is successful.
|
|
mCreatedPairedMinidumps = mCrashReporter->FinalizeCrashReport();
|
|
}
|
|
|
|
Unused << aDumpResult; // Don't care about result if no minidump was requested.
|
|
|
|
ProcessHandle otherProcessHandle;
|
|
if (!base::OpenProcessHandle(OtherPid(), &otherProcessHandle)) {
|
|
NS_ERROR("Failed to open child process when attempting kill.");
|
|
return;
|
|
}
|
|
|
|
if (!KillProcess(otherProcessHandle, base::PROCESS_END_KILLED_BY_USER,
|
|
false)) {
|
|
NS_WARNING("failed to kill subprocess!");
|
|
}
|
|
|
|
if (mSubprocess) {
|
|
mSubprocess->SetAlreadyDead();
|
|
}
|
|
|
|
// EnsureProcessTerminated has responsibilty for closing otherProcessHandle.
|
|
XRE_GetIOMessageLoop()->PostTask(
|
|
NewRunnableFunction("EnsureProcessTerminatedRunnable",
|
|
&ProcessWatcher::EnsureProcessTerminated,
|
|
otherProcessHandle, /*force=*/true));
|
|
}
|
|
|
|
void
|
|
ContentParent::FriendlyName(nsAString& aName, bool aAnonymize)
|
|
{
|
|
aName.Truncate();
|
|
if (mIsForBrowser) {
|
|
aName.AssignLiteral("Browser");
|
|
} else if (aAnonymize) {
|
|
aName.AssignLiteral("<anonymized-name>");
|
|
} else {
|
|
aName.AssignLiteral("???");
|
|
}
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvInitCrashReporter(Shmem&& aShmem, const NativeThreadId& aThreadId)
|
|
{
|
|
mCrashReporter = MakeUnique<CrashReporterHost>(
|
|
GeckoProcessType_Content,
|
|
aShmem,
|
|
aThreadId);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
hal_sandbox::PHalParent*
|
|
ContentParent::AllocPHalParent()
|
|
{
|
|
return hal_sandbox::CreateHalParent();
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPHalParent(hal_sandbox::PHalParent* aHal)
|
|
{
|
|
delete aHal;
|
|
return true;
|
|
}
|
|
|
|
devtools::PHeapSnapshotTempFileHelperParent*
|
|
ContentParent::AllocPHeapSnapshotTempFileHelperParent()
|
|
{
|
|
return devtools::HeapSnapshotTempFileHelperParent::Create();
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPHeapSnapshotTempFileHelperParent(
|
|
devtools::PHeapSnapshotTempFileHelperParent* aHeapSnapshotHelper)
|
|
{
|
|
delete aHeapSnapshotHelper;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentParent::SendRequestMemoryReport(const uint32_t& aGeneration,
|
|
const bool& aAnonymize,
|
|
const bool& aMinimizeMemoryUsage,
|
|
const MaybeFileDesc& aDMDFile)
|
|
{
|
|
// This automatically cancels the previous request.
|
|
mMemoryReportRequest = MakeUnique<MemoryReportRequestHost>(aGeneration);
|
|
Unused << PContentParent::SendRequestMemoryReport(
|
|
aGeneration,
|
|
aAnonymize,
|
|
aMinimizeMemoryUsage,
|
|
aDMDFile);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvAddMemoryReport(const MemoryReport& aReport)
|
|
{
|
|
if (mMemoryReportRequest) {
|
|
mMemoryReportRequest->RecvReport(aReport);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvFinishMemoryReport(const uint32_t& aGeneration)
|
|
{
|
|
if (mMemoryReportRequest) {
|
|
mMemoryReportRequest->Finish(aGeneration);
|
|
mMemoryReportRequest = nullptr;
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
PCycleCollectWithLogsParent*
|
|
ContentParent::AllocPCycleCollectWithLogsParent(const bool& aDumpAllTraces,
|
|
const FileDescriptor& aGCLog,
|
|
const FileDescriptor& aCCLog)
|
|
{
|
|
MOZ_CRASH("Don't call this; use ContentParent::CycleCollectWithLogs");
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPCycleCollectWithLogsParent(PCycleCollectWithLogsParent* aActor)
|
|
{
|
|
delete aActor;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ContentParent::CycleCollectWithLogs(bool aDumpAllTraces,
|
|
nsICycleCollectorLogSink* aSink,
|
|
nsIDumpGCAndCCLogsCallback* aCallback)
|
|
{
|
|
return CycleCollectWithLogsParent::AllocAndSendConstructor(this,
|
|
aDumpAllTraces,
|
|
aSink,
|
|
aCallback);
|
|
}
|
|
|
|
PTestShellParent*
|
|
ContentParent::AllocPTestShellParent()
|
|
{
|
|
return new TestShellParent();
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPTestShellParent(PTestShellParent* shell)
|
|
{
|
|
delete shell;
|
|
return true;
|
|
}
|
|
|
|
PScriptCacheParent*
|
|
ContentParent::AllocPScriptCacheParent(const FileDescOrError& cacheFile, const bool& wantCacheData)
|
|
{
|
|
return new loader::ScriptCacheParent(wantCacheData);
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPScriptCacheParent(PScriptCacheParent* cache)
|
|
{
|
|
delete static_cast<loader::ScriptCacheParent*>(cache);
|
|
return true;
|
|
}
|
|
|
|
PNeckoParent*
|
|
ContentParent::AllocPNeckoParent()
|
|
{
|
|
return new NeckoParent();
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPNeckoParent(PNeckoParent* necko)
|
|
{
|
|
delete necko;
|
|
return true;
|
|
}
|
|
|
|
PPrintingParent*
|
|
ContentParent::AllocPPrintingParent()
|
|
{
|
|
#ifdef NS_PRINTING
|
|
MOZ_ASSERT(!mPrintingParent,
|
|
"Only one PrintingParent should be created per process.");
|
|
|
|
// Create the printing singleton for this process.
|
|
mPrintingParent = new PrintingParent();
|
|
return mPrintingParent.get();
|
|
#else
|
|
MOZ_ASSERT_UNREACHABLE("Should never be created if no printing.");
|
|
return nullptr;
|
|
#endif
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPPrintingParent(PPrintingParent* printing)
|
|
{
|
|
#ifdef NS_PRINTING
|
|
MOZ_ASSERT(mPrintingParent == printing,
|
|
"Only one PrintingParent should have been created per process.");
|
|
|
|
mPrintingParent = nullptr;
|
|
#else
|
|
MOZ_ASSERT_UNREACHABLE("Should never have been created if no printing.");
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
#ifdef NS_PRINTING
|
|
already_AddRefed<embedding::PrintingParent>
|
|
ContentParent::GetPrintingParent()
|
|
{
|
|
MOZ_ASSERT(mPrintingParent);
|
|
|
|
RefPtr<embedding::PrintingParent> printingParent = mPrintingParent;
|
|
return printingParent.forget();
|
|
}
|
|
#endif
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvInitStreamFilter(const uint64_t& aChannelId,
|
|
const nsString& aAddonId,
|
|
InitStreamFilterResolver&& aResolver)
|
|
{
|
|
Endpoint<PStreamFilterChild> endpoint;
|
|
Unused << extensions::StreamFilterParent::Create(this, aChannelId, aAddonId, &endpoint);
|
|
|
|
aResolver(Move(endpoint));
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
PChildToParentStreamParent*
|
|
ContentParent::AllocPChildToParentStreamParent()
|
|
{
|
|
return nsIContentParent::AllocPChildToParentStreamParent();
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPChildToParentStreamParent(PChildToParentStreamParent* aActor)
|
|
{
|
|
return nsIContentParent::DeallocPChildToParentStreamParent(aActor);
|
|
}
|
|
|
|
PParentToChildStreamParent*
|
|
ContentParent::SendPParentToChildStreamConstructor(PParentToChildStreamParent* aActor)
|
|
{
|
|
return PContentParent::SendPParentToChildStreamConstructor(aActor);
|
|
}
|
|
|
|
PParentToChildStreamParent*
|
|
ContentParent::AllocPParentToChildStreamParent()
|
|
{
|
|
return nsIContentParent::AllocPParentToChildStreamParent();
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPParentToChildStreamParent(PParentToChildStreamParent* aActor)
|
|
{
|
|
return nsIContentParent::DeallocPParentToChildStreamParent(aActor);
|
|
}
|
|
|
|
PPSMContentDownloaderParent*
|
|
ContentParent::AllocPPSMContentDownloaderParent(const uint32_t& aCertType)
|
|
{
|
|
RefPtr<PSMContentDownloaderParent> downloader =
|
|
new PSMContentDownloaderParent(aCertType);
|
|
return downloader.forget().take();
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPPSMContentDownloaderParent(PPSMContentDownloaderParent* aListener)
|
|
{
|
|
auto* listener = static_cast<PSMContentDownloaderParent*>(aListener);
|
|
RefPtr<PSMContentDownloaderParent> downloader = dont_AddRef(listener);
|
|
return true;
|
|
}
|
|
|
|
PExternalHelperAppParent*
|
|
ContentParent::AllocPExternalHelperAppParent(const OptionalURIParams& uri,
|
|
const nsCString& aMimeContentType,
|
|
const nsCString& aContentDisposition,
|
|
const uint32_t& aContentDispositionHint,
|
|
const nsString& aContentDispositionFilename,
|
|
const bool& aForceSave,
|
|
const int64_t& aContentLength,
|
|
const bool& aWasFileChannel,
|
|
const OptionalURIParams& aReferrer,
|
|
PBrowserParent* aBrowser)
|
|
{
|
|
ExternalHelperAppParent *parent =
|
|
new ExternalHelperAppParent(uri, aContentLength, aWasFileChannel);
|
|
parent->AddRef();
|
|
parent->Init(this,
|
|
aMimeContentType,
|
|
aContentDisposition,
|
|
aContentDispositionHint,
|
|
aContentDispositionFilename,
|
|
aForceSave,
|
|
aReferrer,
|
|
aBrowser);
|
|
return parent;
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPExternalHelperAppParent(PExternalHelperAppParent* aService)
|
|
{
|
|
ExternalHelperAppParent *parent = static_cast<ExternalHelperAppParent *>(aService);
|
|
parent->Release();
|
|
return true;
|
|
}
|
|
|
|
PHandlerServiceParent*
|
|
ContentParent::AllocPHandlerServiceParent()
|
|
{
|
|
HandlerServiceParent* actor = new HandlerServiceParent();
|
|
actor->AddRef();
|
|
return actor;
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPHandlerServiceParent(PHandlerServiceParent* aHandlerServiceParent)
|
|
{
|
|
static_cast<HandlerServiceParent*>(aHandlerServiceParent)->Release();
|
|
return true;
|
|
}
|
|
|
|
media::PMediaParent*
|
|
ContentParent::AllocPMediaParent()
|
|
{
|
|
return media::AllocPMediaParent();
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPMediaParent(media::PMediaParent *aActor)
|
|
{
|
|
return media::DeallocPMediaParent(aActor);
|
|
}
|
|
|
|
PPresentationParent*
|
|
ContentParent::AllocPPresentationParent()
|
|
{
|
|
RefPtr<PresentationParent> actor = new PresentationParent();
|
|
return actor.forget().take();
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPPresentationParent(PPresentationParent* aActor)
|
|
{
|
|
RefPtr<PresentationParent> actor =
|
|
dont_AddRef(static_cast<PresentationParent*>(aActor));
|
|
return true;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvPPresentationConstructor(PPresentationParent* aActor)
|
|
{
|
|
if (!static_cast<PresentationParent*>(aActor)->Init(mChildID)) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
PSpeechSynthesisParent*
|
|
ContentParent::AllocPSpeechSynthesisParent()
|
|
{
|
|
#ifdef MOZ_WEBSPEECH
|
|
return new mozilla::dom::SpeechSynthesisParent();
|
|
#else
|
|
return nullptr;
|
|
#endif
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPSpeechSynthesisParent(PSpeechSynthesisParent* aActor)
|
|
{
|
|
#ifdef MOZ_WEBSPEECH
|
|
delete aActor;
|
|
return true;
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvPSpeechSynthesisConstructor(PSpeechSynthesisParent* aActor)
|
|
{
|
|
#ifdef MOZ_WEBSPEECH
|
|
if (!static_cast<SpeechSynthesisParent*>(aActor)->SendInit()) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
return IPC_OK();
|
|
#else
|
|
return IPC_FAIL_NO_REASON(this);
|
|
#endif
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvStartVisitedQuery(const URIParams& aURI)
|
|
{
|
|
nsCOMPtr<nsIURI> newURI = DeserializeURI(aURI);
|
|
if (!newURI) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
nsCOMPtr<IHistory> history = services::GetHistoryService();
|
|
if (history) {
|
|
history->RegisterVisitedCallback(newURI, nullptr);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvVisitURI(const URIParams& uri,
|
|
const OptionalURIParams& referrer,
|
|
const uint32_t& flags)
|
|
{
|
|
nsCOMPtr<nsIURI> ourURI = DeserializeURI(uri);
|
|
if (!ourURI) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
nsCOMPtr<nsIURI> ourReferrer = DeserializeURI(referrer);
|
|
nsCOMPtr<IHistory> history = services::GetHistoryService();
|
|
if (history) {
|
|
history->VisitURI(ourURI, ourReferrer, flags);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvSetURITitle(const URIParams& uri,
|
|
const nsString& title)
|
|
{
|
|
nsCOMPtr<nsIURI> ourURI = DeserializeURI(uri);
|
|
if (!ourURI) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
nsCOMPtr<IHistory> history = services::GetHistoryService();
|
|
if (history) {
|
|
history->SetURITitle(ourURI, title);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvIsSecureURI(const uint32_t& aType,
|
|
const URIParams& aURI,
|
|
const uint32_t& aFlags,
|
|
const OriginAttributes& aOriginAttributes,
|
|
bool* aIsSecureURI)
|
|
{
|
|
nsCOMPtr<nsISiteSecurityService> sss(do_GetService(NS_SSSERVICE_CONTRACTID));
|
|
if (!sss) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
nsCOMPtr<nsIURI> ourURI = DeserializeURI(aURI);
|
|
if (!ourURI) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
nsresult rv = sss->IsSecureURI(aType, ourURI, aFlags, aOriginAttributes, nullptr,
|
|
nullptr, aIsSecureURI);
|
|
if (NS_FAILED(rv)) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvAccumulateMixedContentHSTS(const URIParams& aURI, const bool& aActive,
|
|
const OriginAttributes& aOriginAttributes)
|
|
{
|
|
nsCOMPtr<nsIURI> ourURI = DeserializeURI(aURI);
|
|
if (!ourURI) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
nsMixedContentBlocker::AccumulateMixedContentHSTS(ourURI, aActive, aOriginAttributes);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvLoadURIExternal(const URIParams& uri,
|
|
PBrowserParent* windowContext)
|
|
{
|
|
nsCOMPtr<nsIExternalProtocolService> extProtService(do_GetService(NS_EXTERNALPROTOCOLSERVICE_CONTRACTID));
|
|
if (!extProtService) {
|
|
return IPC_OK();
|
|
}
|
|
nsCOMPtr<nsIURI> ourURI = DeserializeURI(uri);
|
|
if (!ourURI) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
RefPtr<RemoteWindowContext> context =
|
|
new RemoteWindowContext(static_cast<TabParent*>(windowContext));
|
|
extProtService->LoadURI(ourURI, context);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvExtProtocolChannelConnectParent(const uint32_t& registrarId)
|
|
{
|
|
nsresult rv;
|
|
|
|
// First get the real channel created before redirect on the parent.
|
|
nsCOMPtr<nsIChannel> channel;
|
|
rv = NS_LinkRedirectChannels(registrarId, nullptr, getter_AddRefs(channel));
|
|
NS_ENSURE_SUCCESS(rv, IPC_OK());
|
|
|
|
nsCOMPtr<nsIParentChannel> parent = do_QueryInterface(channel, &rv);
|
|
NS_ENSURE_SUCCESS(rv, IPC_OK());
|
|
|
|
// The channel itself is its own (faked) parent, link it.
|
|
rv = NS_LinkRedirectChannels(registrarId, parent, getter_AddRefs(channel));
|
|
NS_ENSURE_SUCCESS(rv, IPC_OK());
|
|
|
|
// Signal the parent channel that it's a redirect-to parent. This will
|
|
// make AsyncOpen on it do nothing (what we want).
|
|
// Yes, this is a bit of a hack, but I don't think it's necessary to invent
|
|
// a new interface just to set this flag on the channel.
|
|
parent->SetParentListener(nullptr);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
bool
|
|
ContentParent::HasNotificationPermission(const IPC::Principal& aPrincipal)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvShowAlert(const AlertNotificationType& aAlert)
|
|
{
|
|
nsCOMPtr<nsIAlertNotification> alert(dont_AddRef(aAlert));
|
|
if (NS_WARN_IF(!alert)) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsIPrincipal> principal;
|
|
nsresult rv = alert->GetPrincipal(getter_AddRefs(principal));
|
|
if (NS_WARN_IF(NS_FAILED(rv)) ||
|
|
!HasNotificationPermission(IPC::Principal(principal))) {
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsIAlertsService> sysAlerts(do_GetService(NS_ALERTSERVICE_CONTRACTID));
|
|
if (sysAlerts) {
|
|
sysAlerts->ShowAlert(alert, this);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvCloseAlert(const nsString& aName,
|
|
const IPC::Principal& aPrincipal)
|
|
{
|
|
if (!HasNotificationPermission(aPrincipal)) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsIAlertsService> sysAlerts(do_GetService(NS_ALERTSERVICE_CONTRACTID));
|
|
if (sysAlerts) {
|
|
sysAlerts->CloseAlert(aName, aPrincipal);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvDisableNotifications(const IPC::Principal& aPrincipal)
|
|
{
|
|
if (HasNotificationPermission(aPrincipal)) {
|
|
Unused << Notification::RemovePermission(aPrincipal);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvOpenNotificationSettings(const IPC::Principal& aPrincipal)
|
|
{
|
|
if (HasNotificationPermission(aPrincipal)) {
|
|
Unused << Notification::OpenSettings(aPrincipal);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvSyncMessage(const nsString& aMsg,
|
|
const ClonedMessageData& aData,
|
|
InfallibleTArray<CpowEntry>&& aCpows,
|
|
const IPC::Principal& aPrincipal,
|
|
nsTArray<StructuredCloneData>* aRetvals)
|
|
{
|
|
return nsIContentParent::RecvSyncMessage(aMsg, aData, Move(aCpows),
|
|
aPrincipal, aRetvals);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvRpcMessage(const nsString& aMsg,
|
|
const ClonedMessageData& aData,
|
|
InfallibleTArray<CpowEntry>&& aCpows,
|
|
const IPC::Principal& aPrincipal,
|
|
nsTArray<StructuredCloneData>* aRetvals)
|
|
{
|
|
return nsIContentParent::RecvRpcMessage(aMsg, aData, Move(aCpows), aPrincipal,
|
|
aRetvals);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvAsyncMessage(const nsString& aMsg,
|
|
InfallibleTArray<CpowEntry>&& aCpows,
|
|
const IPC::Principal& aPrincipal,
|
|
const ClonedMessageData& aData)
|
|
{
|
|
return nsIContentParent::RecvAsyncMessage(aMsg, Move(aCpows), aPrincipal,
|
|
aData);
|
|
}
|
|
|
|
static int32_t
|
|
AddGeolocationListener(nsIDOMGeoPositionCallback* watcher,
|
|
nsIDOMGeoPositionErrorCallback* errorCallBack,
|
|
bool highAccuracy)
|
|
{
|
|
nsCOMPtr<nsIDOMGeoGeolocation> geo = do_GetService("@mozilla.org/geolocation;1");
|
|
if (!geo) {
|
|
return -1;
|
|
}
|
|
|
|
UniquePtr<PositionOptions> options = MakeUnique<PositionOptions>();
|
|
options->mTimeout = 0;
|
|
options->mMaximumAge = 0;
|
|
options->mEnableHighAccuracy = highAccuracy;
|
|
int32_t retval = 1;
|
|
geo->WatchPosition(watcher, errorCallBack, Move(options), &retval);
|
|
return retval;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvAddGeolocationListener(const IPC::Principal& aPrincipal,
|
|
const bool& aHighAccuracy)
|
|
{
|
|
// To ensure no geolocation updates are skipped, we always force the
|
|
// creation of a new listener.
|
|
RecvRemoveGeolocationListener();
|
|
mGeolocationWatchID = AddGeolocationListener(this, this, aHighAccuracy);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvRemoveGeolocationListener()
|
|
{
|
|
if (mGeolocationWatchID != -1) {
|
|
nsCOMPtr<nsIDOMGeoGeolocation> geo = do_GetService("@mozilla.org/geolocation;1");
|
|
if (!geo) {
|
|
return IPC_OK();
|
|
}
|
|
geo->ClearWatch(mGeolocationWatchID);
|
|
mGeolocationWatchID = -1;
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvSetGeolocationHigherAccuracy(const bool& aEnable)
|
|
{
|
|
// This should never be called without a listener already present,
|
|
// so this check allows us to forgo securing privileges.
|
|
if (mGeolocationWatchID != -1) {
|
|
RecvRemoveGeolocationListener();
|
|
mGeolocationWatchID = AddGeolocationListener(this, this, aEnable);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
ContentParent::HandleEvent(nsIDOMGeoPosition* postion)
|
|
{
|
|
Unused << SendGeolocationUpdate(GeoPosition(postion));
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
ContentParent::HandleEvent(nsIDOMGeoPositionError* postionError)
|
|
{
|
|
int16_t errorCode;
|
|
nsresult rv;
|
|
rv = postionError->GetCode(&errorCode);
|
|
NS_ENSURE_SUCCESS(rv,rv);
|
|
Unused << SendGeolocationError(errorCode);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsConsoleService *
|
|
ContentParent::GetConsoleService()
|
|
{
|
|
if (mConsoleService) {
|
|
return mConsoleService.get();
|
|
}
|
|
|
|
// XXXkhuey everything about this is terrible.
|
|
// Get the ConsoleService by CID rather than ContractID, so that we
|
|
// can cast the returned pointer to an nsConsoleService (rather than
|
|
// just an nsIConsoleService). This allows us to call the non-idl function
|
|
// nsConsoleService::LogMessageWithMode.
|
|
NS_DEFINE_CID(consoleServiceCID, NS_CONSOLESERVICE_CID);
|
|
nsCOMPtr<nsIConsoleService> consoleService(do_GetService(consoleServiceCID));
|
|
mConsoleService = static_cast<nsConsoleService*>(consoleService.get());
|
|
return mConsoleService.get();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvConsoleMessage(const nsString& aMessage)
|
|
{
|
|
RefPtr<nsConsoleService> consoleService = GetConsoleService();
|
|
if (!consoleService) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
RefPtr<nsConsoleMessage> msg(new nsConsoleMessage(aMessage.get()));
|
|
consoleService->LogMessageWithMode(msg, nsConsoleService::SuppressLog);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvScriptError(const nsString& aMessage,
|
|
const nsString& aSourceName,
|
|
const nsString& aSourceLine,
|
|
const uint32_t& aLineNumber,
|
|
const uint32_t& aColNumber,
|
|
const uint32_t& aFlags,
|
|
const nsCString& aCategory,
|
|
const bool& aFromPrivateWindow)
|
|
{
|
|
return RecvScriptErrorInternal(aMessage, aSourceName, aSourceLine,
|
|
aLineNumber, aColNumber, aFlags,
|
|
aCategory, aFromPrivateWindow);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvScriptErrorWithStack(const nsString& aMessage,
|
|
const nsString& aSourceName,
|
|
const nsString& aSourceLine,
|
|
const uint32_t& aLineNumber,
|
|
const uint32_t& aColNumber,
|
|
const uint32_t& aFlags,
|
|
const nsCString& aCategory,
|
|
const bool& aFromPrivateWindow,
|
|
const ClonedMessageData& aFrame)
|
|
{
|
|
return RecvScriptErrorInternal(aMessage, aSourceName, aSourceLine,
|
|
aLineNumber, aColNumber, aFlags,
|
|
aCategory, aFromPrivateWindow, &aFrame);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvScriptErrorInternal(const nsString& aMessage,
|
|
const nsString& aSourceName,
|
|
const nsString& aSourceLine,
|
|
const uint32_t& aLineNumber,
|
|
const uint32_t& aColNumber,
|
|
const uint32_t& aFlags,
|
|
const nsCString& aCategory,
|
|
const bool& aFromPrivateWindow,
|
|
const ClonedMessageData* aStack)
|
|
{
|
|
RefPtr<nsConsoleService> consoleService = GetConsoleService();
|
|
if (!consoleService) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsIScriptError> msg;
|
|
|
|
if (aStack) {
|
|
StructuredCloneData data;
|
|
UnpackClonedMessageDataForParent(*aStack, data);
|
|
|
|
AutoJSAPI jsapi;
|
|
if (NS_WARN_IF(!jsapi.Init(xpc::PrivilegedJunkScope()))) {
|
|
MOZ_CRASH();
|
|
}
|
|
JSContext* cx = jsapi.cx();
|
|
|
|
JS::RootedValue stack(cx);
|
|
ErrorResult rv;
|
|
data.Read(cx, &stack, rv);
|
|
if (rv.Failed() || !stack.isObject()) {
|
|
rv.SuppressException();
|
|
return IPC_OK();
|
|
}
|
|
|
|
JS::RootedObject stackObj(cx, &stack.toObject());
|
|
msg = new nsScriptErrorWithStack(stackObj);
|
|
} else {
|
|
msg = new nsScriptError();
|
|
}
|
|
|
|
nsresult rv = msg->Init(aMessage, aSourceName, aSourceLine,
|
|
aLineNumber, aColNumber, aFlags,
|
|
aCategory.get(), aFromPrivateWindow);
|
|
if (NS_FAILED(rv))
|
|
return IPC_OK();
|
|
|
|
consoleService->LogMessageWithMode(msg, nsConsoleService::SuppressLog);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvPrivateDocShellsExist(const bool& aExist)
|
|
{
|
|
if (!sPrivateContent)
|
|
sPrivateContent = new nsTArray<ContentParent*>();
|
|
if (aExist) {
|
|
sPrivateContent->AppendElement(this);
|
|
} else {
|
|
sPrivateContent->RemoveElement(this);
|
|
|
|
// Only fire the notification if we have private and non-private
|
|
// windows: if privatebrowsing.autostart is true, all windows are
|
|
// private.
|
|
if (!sPrivateContent->Length() &&
|
|
!Preferences::GetBool("browser.privatebrowsing.autostart")) {
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
obs->NotifyObservers(nullptr, "last-pb-context-exited", nullptr);
|
|
delete sPrivateContent;
|
|
sPrivateContent = nullptr;
|
|
}
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
bool
|
|
ContentParent::DoLoadMessageManagerScript(const nsAString& aURL,
|
|
bool aRunInGlobalScope)
|
|
{
|
|
MOZ_ASSERT(!aRunInGlobalScope);
|
|
return SendLoadProcessScript(nsString(aURL));
|
|
}
|
|
|
|
nsresult
|
|
ContentParent::DoSendAsyncMessage(JSContext* aCx,
|
|
const nsAString& aMessage,
|
|
StructuredCloneData& aHelper,
|
|
JS::Handle<JSObject *> aCpows,
|
|
nsIPrincipal* aPrincipal)
|
|
{
|
|
ClonedMessageData data;
|
|
if (!BuildClonedMessageDataForParent(this, aHelper, data)) {
|
|
return NS_ERROR_DOM_DATA_CLONE_ERR;
|
|
}
|
|
InfallibleTArray<CpowEntry> cpows;
|
|
jsipc::CPOWManager* mgr = GetCPOWManager();
|
|
if (aCpows && (!mgr || !mgr->Wrap(aCx, aCpows, &cpows))) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
if (!SendAsyncMessage(nsString(aMessage), cpows, Principal(aPrincipal), data)) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
PIPCBlobInputStreamParent*
|
|
ContentParent::SendPIPCBlobInputStreamConstructor(PIPCBlobInputStreamParent* aActor,
|
|
const nsID& aID,
|
|
const uint64_t& aSize)
|
|
{
|
|
return PContentParent::SendPIPCBlobInputStreamConstructor(aActor, aID, aSize);
|
|
}
|
|
|
|
PBrowserParent*
|
|
ContentParent::SendPBrowserConstructor(PBrowserParent* aActor,
|
|
const TabId& aTabId,
|
|
const TabId& aSameTabGroupAs,
|
|
const IPCTabContext& aContext,
|
|
const uint32_t& aChromeFlags,
|
|
const ContentParentId& aCpId,
|
|
const bool& aIsForBrowser)
|
|
{
|
|
return PContentParent::SendPBrowserConstructor(aActor,
|
|
aTabId,
|
|
aSameTabGroupAs,
|
|
aContext,
|
|
aChromeFlags,
|
|
aCpId,
|
|
aIsForBrowser);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvKeywordToURI(const nsCString& aKeyword,
|
|
nsString* aProviderName,
|
|
nsCOMPtr<nsIInputStream>* aPostData,
|
|
OptionalURIParams* aURI)
|
|
{
|
|
*aPostData = nullptr;
|
|
*aURI = void_t();
|
|
|
|
nsCOMPtr<nsIURIFixup> fixup = do_GetService(NS_URIFIXUP_CONTRACTID);
|
|
if (!fixup) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsIURIFixupInfo> info;
|
|
|
|
if (NS_FAILED(fixup->KeywordToURI(aKeyword, getter_AddRefs(*aPostData),
|
|
getter_AddRefs(info)))) {
|
|
return IPC_OK();
|
|
}
|
|
info->GetKeywordProviderName(*aProviderName);
|
|
|
|
nsCOMPtr<nsIURI> uri;
|
|
info->GetPreferredURI(getter_AddRefs(uri));
|
|
SerializeURI(uri, *aURI);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvNotifyKeywordSearchLoading(const nsString &aProvider,
|
|
const nsString &aKeyword)
|
|
{
|
|
#ifdef MOZ_TOOLKIT_SEARCH
|
|
nsCOMPtr<nsIBrowserSearchService> searchSvc = do_GetService("@mozilla.org/browser/search-service;1");
|
|
if (searchSvc) {
|
|
nsCOMPtr<nsISearchEngine> searchEngine;
|
|
searchSvc->GetEngineByName(aProvider, getter_AddRefs(searchEngine));
|
|
if (searchEngine) {
|
|
nsCOMPtr<nsIObserverService> obsSvc = mozilla::services::GetObserverService();
|
|
if (obsSvc) {
|
|
// Note that "keyword-search" refers to a search via the url
|
|
// bar, not a bookmarks keyword search.
|
|
obsSvc->NotifyObservers(searchEngine, "keyword-search", aKeyword.get());
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvCopyFavicon(const URIParams& aOldURI,
|
|
const URIParams& aNewURI,
|
|
const IPC::Principal& aLoadingPrincipal,
|
|
const bool& aInPrivateBrowsing)
|
|
{
|
|
nsCOMPtr<nsIURI> oldURI = DeserializeURI(aOldURI);
|
|
if (!oldURI) {
|
|
return IPC_OK();
|
|
}
|
|
nsCOMPtr<nsIURI> newURI = DeserializeURI(aNewURI);
|
|
if (!newURI) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsDocShell::CopyFavicon(oldURI, newURI, aLoadingPrincipal, aInPrivateBrowsing);
|
|
return IPC_OK();
|
|
}
|
|
|
|
bool
|
|
ContentParent::ShouldContinueFromReplyTimeout()
|
|
{
|
|
RefPtr<ProcessHangMonitor> monitor = ProcessHangMonitor::Get();
|
|
return !monitor || !monitor->ShouldTimeOutCPOWs();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvRecordingDeviceEvents(const nsString& aRecordingStatus,
|
|
const nsString& aPageURL,
|
|
const bool& aIsAudio,
|
|
const bool& aIsVideo)
|
|
{
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
if (obs) {
|
|
// recording-device-ipc-events needs to gather more information from content process
|
|
RefPtr<nsHashPropertyBag> props = new nsHashPropertyBag();
|
|
props->SetPropertyAsUint64(NS_LITERAL_STRING("childID"), ChildID());
|
|
props->SetPropertyAsBool(NS_LITERAL_STRING("isAudio"), aIsAudio);
|
|
props->SetPropertyAsBool(NS_LITERAL_STRING("isVideo"), aIsVideo);
|
|
props->SetPropertyAsAString(NS_LITERAL_STRING("requestURL"), aPageURL);
|
|
|
|
obs->NotifyObservers((nsIPropertyBag2*) props,
|
|
"recording-device-ipc-events",
|
|
aRecordingStatus.get());
|
|
} else {
|
|
NS_WARNING("Could not get the Observer service for ContentParent::RecvRecordingDeviceEvents.");
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvAddIdleObserver(const uint64_t& aObserver,
|
|
const uint32_t& aIdleTimeInS)
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsIIdleService> idleService =
|
|
do_GetService("@mozilla.org/widget/idleservice;1", &rv);
|
|
NS_ENSURE_SUCCESS(rv, IPC_FAIL_NO_REASON(this));
|
|
|
|
RefPtr<ParentIdleListener> listener =
|
|
new ParentIdleListener(this, aObserver, aIdleTimeInS);
|
|
rv = idleService->AddIdleObserver(listener, aIdleTimeInS);
|
|
NS_ENSURE_SUCCESS(rv, IPC_FAIL_NO_REASON(this));
|
|
mIdleListeners.AppendElement(listener);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvRemoveIdleObserver(const uint64_t& aObserver,
|
|
const uint32_t& aIdleTimeInS)
|
|
{
|
|
RefPtr<ParentIdleListener> listener;
|
|
for (int32_t i = mIdleListeners.Length() - 1; i >= 0; --i) {
|
|
listener = static_cast<ParentIdleListener*>(mIdleListeners[i].get());
|
|
if (listener->mObserver == aObserver &&
|
|
listener->mTime == aIdleTimeInS) {
|
|
nsresult rv;
|
|
nsCOMPtr<nsIIdleService> idleService =
|
|
do_GetService("@mozilla.org/widget/idleservice;1", &rv);
|
|
NS_ENSURE_SUCCESS(rv, IPC_FAIL_NO_REASON(this));
|
|
idleService->RemoveIdleObserver(listener, aIdleTimeInS);
|
|
mIdleListeners.RemoveElementAt(i);
|
|
break;
|
|
}
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvBackUpXResources(const FileDescriptor& aXSocketFd)
|
|
{
|
|
#ifndef MOZ_X11
|
|
MOZ_CRASH("This message only makes sense on X11 platforms");
|
|
#else
|
|
MOZ_ASSERT(0 > mChildXSocketFdDup.get(),
|
|
"Already backed up X resources??");
|
|
if (aXSocketFd.IsValid()) {
|
|
auto rawFD = aXSocketFd.ClonePlatformHandle();
|
|
mChildXSocketFdDup.reset(rawFD.release());
|
|
}
|
|
#endif
|
|
return IPC_OK();
|
|
}
|
|
|
|
class AnonymousTemporaryFileRequestor final : public Runnable
|
|
{
|
|
public:
|
|
AnonymousTemporaryFileRequestor(ContentParent* aCP, const uint64_t& aID)
|
|
: Runnable("dom::AnonymousTemporaryFileRequestor")
|
|
, mCP(aCP)
|
|
, mID(aID)
|
|
, mRv(NS_OK)
|
|
, mPRFD(nullptr)
|
|
{
|
|
}
|
|
|
|
NS_IMETHOD Run() override
|
|
{
|
|
if (NS_IsMainThread()) {
|
|
FileDescOrError result;
|
|
if (NS_WARN_IF(NS_FAILED(mRv))) {
|
|
// Returning false will kill the child process; instead
|
|
// propagate the error and let the child handle it.
|
|
result = mRv;
|
|
} else {
|
|
result = FileDescriptor(FileDescriptor::PlatformHandleType(PR_FileDesc2NativeHandle(mPRFD)));
|
|
// The FileDescriptor object owns a duplicate of the file handle; we
|
|
// must close the original (and clean up the NSPR descriptor).
|
|
PR_Close(mPRFD);
|
|
}
|
|
Unused << mCP->SendProvideAnonymousTemporaryFile(mID, result);
|
|
// It's important to release this reference while wr're on the main thread!
|
|
mCP = nullptr;
|
|
} else {
|
|
mRv = NS_OpenAnonymousTemporaryFile(&mPRFD);
|
|
NS_DispatchToMainThread(this);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
RefPtr<ContentParent> mCP;
|
|
uint64_t mID;
|
|
nsresult mRv;
|
|
PRFileDesc* mPRFD;
|
|
};
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvRequestAnonymousTemporaryFile(const uint64_t& aID)
|
|
{
|
|
// Make sure to send a callback to the child if we bail out early.
|
|
nsresult rv = NS_OK;
|
|
RefPtr<ContentParent> self(this);
|
|
auto autoNotifyChildOnError = MakeScopeExit([&]() {
|
|
if (NS_FAILED(rv)) {
|
|
FileDescOrError result(rv);
|
|
Unused << self->SendProvideAnonymousTemporaryFile(aID, result);
|
|
}
|
|
});
|
|
|
|
// We use a helper runnable to open the anonymous temporary file on the IO
|
|
// thread. The same runnable will call us back on the main thread when the
|
|
// file has been opened.
|
|
nsCOMPtr<nsIEventTarget> target
|
|
= do_GetService(NS_STREAMTRANSPORTSERVICE_CONTRACTID, &rv);
|
|
if (!target) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
rv = target->Dispatch(new AnonymousTemporaryFileRequestor(this, aID),
|
|
NS_DISPATCH_NORMAL);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
rv = NS_OK;
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvCreateAudioIPCConnection(CreateAudioIPCConnectionResolver&& aResolver)
|
|
{
|
|
FileDescriptor fd = CubebUtils::CreateAudioIPCConnection();
|
|
if (!fd.IsValid()) {
|
|
return IPC_FAIL(this, "CubebUtils::CreateAudioIPCConnection failed");
|
|
}
|
|
aResolver(Move(fd));
|
|
return IPC_OK();
|
|
}
|
|
|
|
static NS_DEFINE_CID(kFormProcessorCID, NS_FORMPROCESSOR_CID);
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvKeygenProcessValue(const nsString& oldValue,
|
|
const nsString& challenge,
|
|
const nsString& keytype,
|
|
const nsString& keyparams,
|
|
nsString* newValue)
|
|
{
|
|
nsCOMPtr<nsIFormProcessor> formProcessor =
|
|
do_GetService(kFormProcessorCID);
|
|
if (!formProcessor) {
|
|
newValue->Truncate();
|
|
return IPC_OK();
|
|
}
|
|
|
|
formProcessor->ProcessValueIPC(oldValue, challenge, keytype, keyparams,
|
|
*newValue);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvKeygenProvideContent(nsString* aAttribute,
|
|
nsTArray<nsString>* aContent)
|
|
{
|
|
nsCOMPtr<nsIFormProcessor> formProcessor =
|
|
do_GetService(kFormProcessorCID);
|
|
if (!formProcessor) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
formProcessor->ProvideContent(NS_LITERAL_STRING("SELECT"), *aContent,
|
|
*aAttribute);
|
|
return IPC_OK();
|
|
}
|
|
|
|
PFileDescriptorSetParent*
|
|
ContentParent::SendPFileDescriptorSetConstructor(const FileDescriptor& aFD)
|
|
{
|
|
return PContentParent::SendPFileDescriptorSetConstructor(aFD);
|
|
}
|
|
|
|
PFileDescriptorSetParent*
|
|
ContentParent::AllocPFileDescriptorSetParent(const FileDescriptor& aFD)
|
|
{
|
|
return nsIContentParent::AllocPFileDescriptorSetParent(aFD);
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPFileDescriptorSetParent(PFileDescriptorSetParent* aActor)
|
|
{
|
|
return nsIContentParent::DeallocPFileDescriptorSetParent(aActor);
|
|
}
|
|
|
|
bool
|
|
ContentParent::IgnoreIPCPrincipal()
|
|
{
|
|
static bool sDidAddVarCache = false;
|
|
static bool sIgnoreIPCPrincipal = false;
|
|
if (!sDidAddVarCache) {
|
|
sDidAddVarCache = true;
|
|
Preferences::AddBoolVarCache(&sIgnoreIPCPrincipal,
|
|
"dom.testing.ignore_ipc_principal", false);
|
|
}
|
|
return sIgnoreIPCPrincipal;
|
|
}
|
|
|
|
void
|
|
ContentParent::NotifyUpdatedDictionaries()
|
|
{
|
|
nsCOMPtr<nsISpellChecker> spellChecker(do_GetService(NS_SPELLCHECKER_CONTRACTID));
|
|
MOZ_ASSERT(spellChecker, "No spell checker?");
|
|
|
|
InfallibleTArray<nsString> dictionaries;
|
|
spellChecker->GetDictionaryList(&dictionaries);
|
|
|
|
for (auto* cp : AllProcesses(eLive)) {
|
|
Unused << cp->SendUpdateDictionaryList(dictionaries);
|
|
}
|
|
}
|
|
|
|
void
|
|
ContentParent::NotifyUpdatedFonts()
|
|
{
|
|
InfallibleTArray<SystemFontListEntry> fontList;
|
|
gfxPlatform::GetPlatform()->ReadSystemFontList(&fontList);
|
|
|
|
for (auto* cp : AllProcesses(eLive)) {
|
|
Unused << cp->SendUpdateFontList(fontList);
|
|
}
|
|
}
|
|
|
|
/*static*/ void
|
|
ContentParent::UnregisterRemoteFrame(const TabId& aTabId,
|
|
const ContentParentId& aCpId,
|
|
bool aMarkedDestroying)
|
|
{
|
|
if (XRE_IsParentProcess()) {
|
|
ContentProcessManager* cpm = ContentProcessManager::GetSingleton();
|
|
ContentParent* cp = cpm->GetContentProcessById(aCpId);
|
|
|
|
cp->NotifyTabDestroyed(aTabId, aMarkedDestroying);
|
|
|
|
ContentProcessManager::GetSingleton()->UnregisterRemoteFrame(aCpId, aTabId);
|
|
} else {
|
|
ContentChild::GetSingleton()->SendUnregisterRemoteFrame(aTabId, aCpId,
|
|
aMarkedDestroying);
|
|
}
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvUnregisterRemoteFrame(const TabId& aTabId,
|
|
const ContentParentId& aCpId,
|
|
const bool& aMarkedDestroying)
|
|
{
|
|
UnregisterRemoteFrame(aTabId, aCpId, aMarkedDestroying);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvNotifyTabDestroying(const TabId& aTabId,
|
|
const ContentParentId& aCpId)
|
|
{
|
|
NotifyTabDestroying(aTabId, aCpId);
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsTArray<TabContext>
|
|
ContentParent::GetManagedTabContext()
|
|
{
|
|
return Move(ContentProcessManager::GetSingleton()->
|
|
GetTabContextByContentProcess(this->ChildID()));
|
|
}
|
|
|
|
mozilla::docshell::POfflineCacheUpdateParent*
|
|
ContentParent::AllocPOfflineCacheUpdateParent(const URIParams& aManifestURI,
|
|
const URIParams& aDocumentURI,
|
|
const PrincipalInfo& aLoadingPrincipalInfo,
|
|
const bool& aStickDocument)
|
|
{
|
|
RefPtr<mozilla::docshell::OfflineCacheUpdateParent> update =
|
|
new mozilla::docshell::OfflineCacheUpdateParent();
|
|
// Use this reference as the IPDL reference.
|
|
return update.forget().take();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvPOfflineCacheUpdateConstructor(POfflineCacheUpdateParent* aActor,
|
|
const URIParams& aManifestURI,
|
|
const URIParams& aDocumentURI,
|
|
const PrincipalInfo& aLoadingPrincipal,
|
|
const bool& aStickDocument)
|
|
{
|
|
MOZ_ASSERT(aActor);
|
|
|
|
RefPtr<mozilla::docshell::OfflineCacheUpdateParent> update =
|
|
static_cast<mozilla::docshell::OfflineCacheUpdateParent*>(aActor);
|
|
|
|
nsresult rv = update->Schedule(aManifestURI, aDocumentURI, aLoadingPrincipal, aStickDocument);
|
|
if (NS_FAILED(rv) && IsAlive()) {
|
|
// Inform the child of failure.
|
|
Unused << update->SendFinish(false, false);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPOfflineCacheUpdateParent(POfflineCacheUpdateParent* aActor)
|
|
{
|
|
// Reclaim the IPDL reference.
|
|
RefPtr<mozilla::docshell::OfflineCacheUpdateParent> update =
|
|
dont_AddRef(static_cast<mozilla::docshell::OfflineCacheUpdateParent*>(aActor));
|
|
return true;
|
|
}
|
|
|
|
PWebrtcGlobalParent *
|
|
ContentParent::AllocPWebrtcGlobalParent()
|
|
{
|
|
#ifdef MOZ_WEBRTC
|
|
return WebrtcGlobalParent::Alloc();
|
|
#else
|
|
return nullptr;
|
|
#endif
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPWebrtcGlobalParent(PWebrtcGlobalParent *aActor)
|
|
{
|
|
#ifdef MOZ_WEBRTC
|
|
WebrtcGlobalParent::Dealloc(static_cast<WebrtcGlobalParent*>(aActor));
|
|
return true;
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvSetOfflinePermission(const Principal& aPrincipal)
|
|
{
|
|
nsIPrincipal* principal = aPrincipal;
|
|
nsContentUtils::MaybeAllowOfflineAppByDefault(principal);
|
|
return IPC_OK();
|
|
}
|
|
|
|
void
|
|
ContentParent::MaybeInvokeDragSession(TabParent* aParent)
|
|
{
|
|
// dnd uses IPCBlob to transfer data to the content process and the IPC
|
|
// message is sent as normal priority. When sending input events with input
|
|
// priority, the message may be preempted by the later dnd events. To make
|
|
// sure the input events and the blob message are processed in time order
|
|
// on the content process, we temporarily send the input events with normal
|
|
// priority when there is an active dnd session.
|
|
SetInputPriorityEventEnabled(false);
|
|
|
|
nsCOMPtr<nsIDragService> dragService =
|
|
do_GetService("@mozilla.org/widget/dragservice;1");
|
|
if (dragService && dragService->MaybeAddChildProcess(this)) {
|
|
// We need to send transferable data to child process.
|
|
nsCOMPtr<nsIDragSession> session;
|
|
dragService->GetCurrentSession(getter_AddRefs(session));
|
|
if (session) {
|
|
nsTArray<IPCDataTransfer> dataTransfers;
|
|
RefPtr<DataTransfer> transfer = session->GetDataTransfer();
|
|
if (!transfer) {
|
|
// Pass eDrop to get DataTransfer with external
|
|
// drag formats cached.
|
|
transfer = new DataTransfer(nullptr, eDrop, true, -1);
|
|
session->SetDataTransfer(transfer);
|
|
}
|
|
// Note, even though this fills the DataTransfer object with
|
|
// external data, the data is usually transfered over IPC lazily when
|
|
// needed.
|
|
transfer->FillAllExternalData();
|
|
nsCOMPtr<nsILoadContext> lc = aParent ?
|
|
aParent->GetLoadContext() : nullptr;
|
|
nsCOMPtr<nsIArray> transferables =
|
|
transfer->GetTransferables(lc);
|
|
nsContentUtils::TransferablesToIPCTransferables(transferables,
|
|
dataTransfers,
|
|
false,
|
|
nullptr,
|
|
this);
|
|
uint32_t action;
|
|
session->GetDragAction(&action);
|
|
mozilla::Unused << SendInvokeDragSession(dataTransfers, action);
|
|
}
|
|
}
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvUpdateDropEffect(const uint32_t& aDragAction,
|
|
const uint32_t& aDropEffect)
|
|
{
|
|
nsCOMPtr<nsIDragSession> dragSession = nsContentUtils::GetDragSession();
|
|
if (dragSession) {
|
|
dragSession->SetDragAction(aDragAction);
|
|
RefPtr<DataTransfer> dt = dragSession->GetDataTransfer();
|
|
if (dt) {
|
|
dt->SetDropEffectInt(aDropEffect);
|
|
}
|
|
dragSession->UpdateDragEffect();
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
PContentPermissionRequestParent*
|
|
ContentParent::AllocPContentPermissionRequestParent(const InfallibleTArray<PermissionRequest>& aRequests,
|
|
const IPC::Principal& aPrincipal,
|
|
const bool& aIsHandlingUserInput,
|
|
const TabId& aTabId)
|
|
{
|
|
ContentProcessManager* cpm = ContentProcessManager::GetSingleton();
|
|
RefPtr<TabParent> tp =
|
|
cpm->GetTopLevelTabParentByProcessAndTabId(this->ChildID(), aTabId);
|
|
if (!tp) {
|
|
return nullptr;
|
|
}
|
|
|
|
return nsContentPermissionUtils::CreateContentPermissionRequestParent(aRequests,
|
|
tp->GetOwnerElement(),
|
|
aPrincipal,
|
|
aIsHandlingUserInput,
|
|
aTabId);
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPContentPermissionRequestParent(PContentPermissionRequestParent* actor)
|
|
{
|
|
nsContentPermissionUtils::NotifyRemoveContentPermissionRequestParent(actor);
|
|
delete actor;
|
|
return true;
|
|
}
|
|
|
|
PWebBrowserPersistDocumentParent*
|
|
ContentParent::AllocPWebBrowserPersistDocumentParent(PBrowserParent* aBrowser,
|
|
const uint64_t& aOuterWindowID)
|
|
{
|
|
return new WebBrowserPersistDocumentParent();
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPWebBrowserPersistDocumentParent(PWebBrowserPersistDocumentParent* aActor)
|
|
{
|
|
delete aActor;
|
|
return true;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::CommonCreateWindow(PBrowserParent* aThisTab,
|
|
bool aSetOpener,
|
|
const uint32_t& aChromeFlags,
|
|
const bool& aCalledFromJS,
|
|
const bool& aPositionSpecified,
|
|
const bool& aSizeSpecified,
|
|
nsIURI* aURIToLoad,
|
|
const nsCString& aFeatures,
|
|
const nsCString& aBaseURI,
|
|
const float& aFullZoom,
|
|
uint64_t aNextTabParentId,
|
|
const nsString& aName,
|
|
nsresult& aResult,
|
|
nsCOMPtr<nsITabParent>& aNewTabParent,
|
|
bool* aWindowIsNew,
|
|
nsIPrincipal* aTriggeringPrincipal,
|
|
uint32_t aReferrerPolicy,
|
|
bool aLoadURI)
|
|
|
|
{
|
|
// The content process should never be in charge of computing whether or
|
|
// not a window should be private or remote - the parent will do that.
|
|
const uint32_t badFlags = nsIWebBrowserChrome::CHROME_PRIVATE_WINDOW |
|
|
nsIWebBrowserChrome::CHROME_NON_PRIVATE_WINDOW |
|
|
nsIWebBrowserChrome::CHROME_PRIVATE_LIFETIME |
|
|
nsIWebBrowserChrome::CHROME_REMOTE_WINDOW;
|
|
if (!!(aChromeFlags & badFlags)) {
|
|
return IPC_FAIL(this, "Forbidden aChromeFlags passed");
|
|
}
|
|
|
|
TabParent* thisTabParent = TabParent::GetFrom(aThisTab);
|
|
nsCOMPtr<nsIContent> frame;
|
|
if (thisTabParent) {
|
|
frame = do_QueryInterface(thisTabParent->GetOwnerElement());
|
|
|
|
if (NS_WARN_IF(thisTabParent->IsMozBrowser())) {
|
|
return IPC_FAIL(this, "aThisTab is not a MozBrowser");
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> outerWin;
|
|
if (frame) {
|
|
outerWin = frame->OwnerDoc()->GetWindow();
|
|
|
|
// If our chrome window is in the process of closing, don't try to open a
|
|
// new tab in it.
|
|
if (outerWin && outerWin->Closed()) {
|
|
outerWin = nullptr;
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIBrowserDOMWindow> browserDOMWin;
|
|
if (thisTabParent) {
|
|
browserDOMWin = thisTabParent->GetBrowserDOMWindow();
|
|
}
|
|
|
|
// If we haven't found a chrome window to open in, just use the most recently
|
|
// opened one.
|
|
if (!outerWin) {
|
|
outerWin = nsContentUtils::GetMostRecentNonPBWindow();
|
|
if (NS_WARN_IF(!outerWin)) {
|
|
aResult = NS_ERROR_FAILURE;
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMChromeWindow> rootChromeWin = do_QueryInterface(outerWin);
|
|
if (rootChromeWin) {
|
|
rootChromeWin->GetBrowserDOMWindow(getter_AddRefs(browserDOMWin));
|
|
}
|
|
}
|
|
|
|
int32_t openLocation = nsWindowWatcher::GetWindowOpenLocation(
|
|
outerWin, aChromeFlags, aCalledFromJS, aPositionSpecified, aSizeSpecified);
|
|
|
|
MOZ_ASSERT(openLocation == nsIBrowserDOMWindow::OPEN_NEWTAB ||
|
|
openLocation == nsIBrowserDOMWindow::OPEN_NEWWINDOW);
|
|
|
|
// Read the origin attributes for the tab from the opener tabParent.
|
|
OriginAttributes openerOriginAttributes;
|
|
if (thisTabParent) {
|
|
nsCOMPtr<nsILoadContext> loadContext = thisTabParent->GetLoadContext();
|
|
loadContext->GetOriginAttributes(openerOriginAttributes);
|
|
} else if (Preferences::GetBool("browser.privatebrowsing.autostart")) {
|
|
openerOriginAttributes.mPrivateBrowsingId = 1;
|
|
}
|
|
|
|
if (openLocation == nsIBrowserDOMWindow::OPEN_NEWTAB) {
|
|
if (NS_WARN_IF(!browserDOMWin)) {
|
|
aResult = NS_ERROR_ABORT;
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsIFrameLoaderOwner> opener = do_QueryInterface(frame);
|
|
|
|
nsCOMPtr<nsIOpenURIInFrameParams> params =
|
|
new nsOpenURIInFrameParams(openerOriginAttributes, opener);
|
|
params->SetReferrer(NS_ConvertUTF8toUTF16(aBaseURI));
|
|
MOZ_ASSERT(aTriggeringPrincipal, "need a valid triggeringPrincipal");
|
|
params->SetTriggeringPrincipal(aTriggeringPrincipal);
|
|
params->SetReferrerPolicy(aReferrerPolicy);
|
|
|
|
nsCOMPtr<nsIFrameLoaderOwner> frameLoaderOwner;
|
|
if (aLoadURI) {
|
|
aResult = browserDOMWin->OpenURIInFrame(aURIToLoad,
|
|
params, openLocation,
|
|
nsIBrowserDOMWindow::OPEN_NEW,
|
|
aNextTabParentId, aName,
|
|
getter_AddRefs(frameLoaderOwner));
|
|
} else {
|
|
aResult = browserDOMWin->CreateContentWindowInFrame(aURIToLoad,
|
|
params, openLocation,
|
|
nsIBrowserDOMWindow::OPEN_NEW,
|
|
aNextTabParentId, aName,
|
|
getter_AddRefs(frameLoaderOwner));
|
|
}
|
|
if (NS_SUCCEEDED(aResult) && frameLoaderOwner) {
|
|
RefPtr<nsFrameLoader> frameLoader = frameLoaderOwner->GetFrameLoader();
|
|
if (frameLoader) {
|
|
frameLoader->GetTabParent(getter_AddRefs(aNewTabParent));
|
|
}
|
|
} else if (NS_SUCCEEDED(aResult) && !frameLoaderOwner) {
|
|
// Fall through to the normal window opening code path when there is no
|
|
// window which we can open a new tab in.
|
|
openLocation = nsIBrowserDOMWindow::OPEN_NEWWINDOW;
|
|
} else {
|
|
*aWindowIsNew = false;
|
|
}
|
|
|
|
// If we didn't retarget our window open into a new window, we should return now.
|
|
if (openLocation != nsIBrowserDOMWindow::OPEN_NEWWINDOW) {
|
|
return IPC_OK();
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsPIWindowWatcher> pwwatch =
|
|
do_GetService(NS_WINDOWWATCHER_CONTRACTID, &aResult);
|
|
if (NS_WARN_IF(NS_FAILED(aResult))) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
aResult = pwwatch->OpenWindowWithTabParent(thisTabParent,
|
|
aFeatures, aCalledFromJS, aFullZoom,
|
|
aNextTabParentId,
|
|
!aSetOpener,
|
|
getter_AddRefs(aNewTabParent));
|
|
if (NS_WARN_IF(NS_FAILED(aResult))) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
MOZ_ASSERT(aNewTabParent);
|
|
// If we were passed a name for the window which would override the default,
|
|
// we should send it down to the new tab.
|
|
if (nsContentUtils::IsOverridingWindowName(aName)) {
|
|
Unused << TabParent::GetFrom(aNewTabParent)->SendSetWindowName(aName);
|
|
}
|
|
|
|
// Don't send down the OriginAttributes if the content process is handling
|
|
// setting up the window for us. We only want to send them in the async case.
|
|
//
|
|
// If we send it down in the non-async case, then we might set the
|
|
// OriginAttributes after the document has already navigated.
|
|
if (!aSetOpener) {
|
|
Unused << TabParent::GetFrom(aNewTabParent)
|
|
->SendSetOriginAttributes(openerOriginAttributes);
|
|
}
|
|
|
|
if (aURIToLoad && aLoadURI) {
|
|
nsCOMPtr<mozIDOMWindowProxy> openerWindow;
|
|
if (aSetOpener && thisTabParent) {
|
|
openerWindow = thisTabParent->GetParentWindowOuter();
|
|
}
|
|
nsCOMPtr<nsIBrowserDOMWindow> newBrowserDOMWin =
|
|
TabParent::GetFrom(aNewTabParent)->GetBrowserDOMWindow();
|
|
if (NS_WARN_IF(!newBrowserDOMWin)) {
|
|
aResult = NS_ERROR_ABORT;
|
|
return IPC_OK();
|
|
}
|
|
nsCOMPtr<mozIDOMWindowProxy> win;
|
|
aResult = newBrowserDOMWin->OpenURI(aURIToLoad, openerWindow,
|
|
nsIBrowserDOMWindow::OPEN_CURRENTWINDOW,
|
|
nsIBrowserDOMWindow::OPEN_NEW,
|
|
aTriggeringPrincipal,
|
|
getter_AddRefs(win));
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvCreateWindow(PBrowserParent* aThisTab,
|
|
PBrowserParent* aNewTab,
|
|
PRenderFrameParent* aRenderFrame,
|
|
const uint32_t& aChromeFlags,
|
|
const bool& aCalledFromJS,
|
|
const bool& aPositionSpecified,
|
|
const bool& aSizeSpecified,
|
|
const OptionalURIParams& aURIToLoad,
|
|
const nsCString& aFeatures,
|
|
const nsCString& aBaseURI,
|
|
const float& aFullZoom,
|
|
const IPC::Principal& aTriggeringPrincipal,
|
|
const uint32_t& aReferrerPolicy,
|
|
CreateWindowResolver&& aResolve)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
CreatedWindowInfo cwi;
|
|
|
|
// We always expect to open a new window here. If we don't, it's an error.
|
|
cwi.windowOpened() = true;
|
|
cwi.layersId() = 0;
|
|
cwi.maxTouchPoints() = 0;
|
|
|
|
// Make sure to resolve the resolver when this function exits, even if we
|
|
// failed to generate a valid response.
|
|
auto resolveOnExit = MakeScopeExit([&] {
|
|
// Copy over the nsresult, and then resolve.
|
|
cwi.rv() = rv;
|
|
aResolve(cwi);
|
|
});
|
|
|
|
TabParent* newTab = TabParent::GetFrom(aNewTab);
|
|
MOZ_ASSERT(newTab);
|
|
|
|
auto destroyNewTabOnError = MakeScopeExit([&] {
|
|
// We always expect to open a new window here. If we don't, it's an error.
|
|
if (!cwi.windowOpened() || NS_FAILED(rv)) {
|
|
if (newTab) {
|
|
newTab->Destroy();
|
|
}
|
|
}
|
|
});
|
|
|
|
// Content has requested that we open this new content window, so
|
|
// we must have an opener.
|
|
newTab->SetHasContentOpener(true);
|
|
|
|
TabParent::AutoUseNewTab aunt(newTab, &cwi.urlToLoad());
|
|
const uint64_t nextTabParentId = ++sNextTabParentId;
|
|
sNextTabParents.Put(nextTabParentId, newTab);
|
|
|
|
const nsCOMPtr<nsIURI> uriToLoad = DeserializeURI(aURIToLoad);
|
|
|
|
nsCOMPtr<nsITabParent> newRemoteTab;
|
|
mozilla::ipc::IPCResult ipcResult =
|
|
CommonCreateWindow(aThisTab, /* aSetOpener = */ true, aChromeFlags,
|
|
aCalledFromJS, aPositionSpecified, aSizeSpecified,
|
|
uriToLoad, aFeatures, aBaseURI, aFullZoom,
|
|
nextTabParentId, VoidString(), rv,
|
|
newRemoteTab, &cwi.windowOpened(),
|
|
aTriggeringPrincipal, aReferrerPolicy,
|
|
/* aLoadUri = */ false);
|
|
if (!ipcResult) {
|
|
return ipcResult;
|
|
}
|
|
|
|
if (NS_WARN_IF(NS_FAILED(rv)) || !newRemoteTab) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
if (sNextTabParents.GetAndRemove(nextTabParentId).valueOr(nullptr)) {
|
|
cwi.windowOpened() = false;
|
|
}
|
|
MOZ_ASSERT(TabParent::GetFrom(newRemoteTab) == newTab);
|
|
|
|
newTab->SwapFrameScriptsFrom(cwi.frameScripts());
|
|
|
|
RenderFrameParent* rfp = static_cast<RenderFrameParent*>(aRenderFrame);
|
|
if (!newTab->SetRenderFrame(rfp) ||
|
|
!newTab->GetRenderFrameInfo(&cwi.textureFactoryIdentifier(), &cwi.layersId())) {
|
|
rv = NS_ERROR_FAILURE;
|
|
}
|
|
cwi.compositorOptions() = rfp->GetCompositorOptions();
|
|
|
|
nsCOMPtr<nsIWidget> widget = newTab->GetWidget();
|
|
if (widget) {
|
|
cwi.maxTouchPoints() = widget->GetMaxTouchPoints();
|
|
cwi.dimensions() = newTab->GetDimensionInfo();
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvCreateWindowInDifferentProcess(
|
|
PBrowserParent* aThisTab,
|
|
const uint32_t& aChromeFlags,
|
|
const bool& aCalledFromJS,
|
|
const bool& aPositionSpecified,
|
|
const bool& aSizeSpecified,
|
|
const OptionalURIParams& aURIToLoad,
|
|
const nsCString& aFeatures,
|
|
const nsCString& aBaseURI,
|
|
const float& aFullZoom,
|
|
const nsString& aName,
|
|
const IPC::Principal& aTriggeringPrincipal,
|
|
const uint32_t& aReferrerPolicy)
|
|
{
|
|
nsCOMPtr<nsITabParent> newRemoteTab;
|
|
bool windowIsNew;
|
|
nsCOMPtr<nsIURI> uriToLoad = DeserializeURI(aURIToLoad);
|
|
nsresult rv;
|
|
mozilla::ipc::IPCResult ipcResult =
|
|
CommonCreateWindow(aThisTab, /* aSetOpener = */ false, aChromeFlags,
|
|
aCalledFromJS, aPositionSpecified, aSizeSpecified,
|
|
uriToLoad, aFeatures, aBaseURI, aFullZoom,
|
|
/* aNextTabParentId = */ 0, aName, rv,
|
|
newRemoteTab, &windowIsNew, aTriggeringPrincipal,
|
|
aReferrerPolicy, /* aLoadUri = */ true);
|
|
if (!ipcResult) {
|
|
return ipcResult;
|
|
}
|
|
|
|
if (NS_FAILED(rv)) {
|
|
NS_WARNING("Call to CommonCreateWindow failed.");
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvShutdownProfile(const nsCString& aProfile)
|
|
{
|
|
#ifdef MOZ_GECKO_PROFILER
|
|
nsCOMPtr<nsIProfiler> profiler(do_GetService("@mozilla.org/tools/profiler;1"));
|
|
profiler->ReceiveShutdownProfile(aProfile);
|
|
#endif
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvGetGraphicsDeviceInitData(ContentDeviceData* aOut)
|
|
{
|
|
gfxPlatform::GetPlatform()->BuildContentDeviceData(aOut);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvGraphicsError(const nsCString& aError)
|
|
{
|
|
gfx::LogForwarder* lf = gfx::Factory::GetLogForwarder();
|
|
if (lf) {
|
|
std::stringstream message;
|
|
message << "CP+" << aError.get();
|
|
lf->UpdateStringsVector(message.str());
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvBeginDriverCrashGuard(const uint32_t& aGuardType, bool* aOutCrashed)
|
|
{
|
|
// Only one driver crash guard should be active at a time, per-process.
|
|
MOZ_ASSERT(!mDriverCrashGuard);
|
|
|
|
UniquePtr<gfx::DriverCrashGuard> guard;
|
|
switch (gfx::CrashGuardType(aGuardType)) {
|
|
case gfx::CrashGuardType::D3D11Layers:
|
|
guard = MakeUnique<gfx::D3D11LayersCrashGuard>(this);
|
|
break;
|
|
case gfx::CrashGuardType::D3D9Video:
|
|
guard = MakeUnique<gfx::D3D9VideoCrashGuard>(this);
|
|
break;
|
|
case gfx::CrashGuardType::GLContext:
|
|
guard = MakeUnique<gfx::GLContextCrashGuard>(this);
|
|
break;
|
|
case gfx::CrashGuardType::D3D11Video:
|
|
guard = MakeUnique<gfx::D3D11VideoCrashGuard>(this);
|
|
break;
|
|
default:
|
|
MOZ_ASSERT_UNREACHABLE("unknown crash guard type");
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
if (guard->Crashed()) {
|
|
*aOutCrashed = true;
|
|
return IPC_OK();
|
|
}
|
|
|
|
*aOutCrashed = false;
|
|
mDriverCrashGuard = Move(guard);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvEndDriverCrashGuard(const uint32_t& aGuardType)
|
|
{
|
|
mDriverCrashGuard = nullptr;
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvGetAndroidSystemInfo(AndroidSystemInfo* aInfo)
|
|
{
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
nsSystemInfo::GetAndroidSystemInfo(aInfo);
|
|
return IPC_OK();
|
|
#else
|
|
MOZ_CRASH("wrong platform!");
|
|
return IPC_FAIL_NO_REASON(this);
|
|
#endif
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvNotifyBenchmarkResult(const nsString& aCodecName,
|
|
const uint32_t& aDecodeFPS)
|
|
|
|
{
|
|
if (aCodecName.EqualsLiteral("VP9")) {
|
|
Preferences::SetUint(VP9Benchmark::sBenchmarkFpsPref, aDecodeFPS);
|
|
Preferences::SetUint(VP9Benchmark::sBenchmarkFpsVersionCheck,
|
|
VP9Benchmark::sBenchmarkVersionID);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvNotifyPushObservers(const nsCString& aScope,
|
|
const IPC::Principal& aPrincipal,
|
|
const nsString& aMessageId)
|
|
{
|
|
PushMessageDispatcher dispatcher(aScope, aPrincipal, aMessageId, Nothing());
|
|
Unused << NS_WARN_IF(NS_FAILED(dispatcher.NotifyObservers()));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvNotifyPushObserversWithData(const nsCString& aScope,
|
|
const IPC::Principal& aPrincipal,
|
|
const nsString& aMessageId,
|
|
InfallibleTArray<uint8_t>&& aData)
|
|
{
|
|
PushMessageDispatcher dispatcher(aScope, aPrincipal, aMessageId, Some(aData));
|
|
Unused << NS_WARN_IF(NS_FAILED(dispatcher.NotifyObservers()));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvNotifyPushSubscriptionChangeObservers(const nsCString& aScope,
|
|
const IPC::Principal& aPrincipal)
|
|
{
|
|
PushSubscriptionChangeDispatcher dispatcher(aScope, aPrincipal);
|
|
Unused << NS_WARN_IF(NS_FAILED(dispatcher.NotifyObservers()));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvNotifyPushSubscriptionModifiedObservers(const nsCString& aScope,
|
|
const IPC::Principal& aPrincipal)
|
|
{
|
|
PushSubscriptionModifiedDispatcher dispatcher(aScope, aPrincipal);
|
|
Unused << NS_WARN_IF(NS_FAILED(dispatcher.NotifyObservers()));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvNotifyLowMemory()
|
|
{
|
|
MarkAsTroubled();
|
|
|
|
Telemetry::ScalarAdd(Telemetry::ScalarID::DOM_CONTENTPROCESS_TROUBLED_DUE_TO_MEMORY, 1);
|
|
|
|
nsThread::SaveMemoryReportNearOOM(nsThread::ShouldSaveMemoryReport::kForceReport);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
/* static */ void
|
|
ContentParent::BroadcastBlobURLRegistration(const nsACString& aURI,
|
|
BlobImpl* aBlobImpl,
|
|
nsIPrincipal* aPrincipal,
|
|
ContentParent* aIgnoreThisCP)
|
|
{
|
|
nsCString uri(aURI);
|
|
IPC::Principal principal(aPrincipal);
|
|
|
|
for (auto* cp : AllProcesses(eLive)) {
|
|
if (cp != aIgnoreThisCP) {
|
|
IPCBlob ipcBlob;
|
|
nsresult rv = IPCBlobUtils::Serialize(aBlobImpl, cp, ipcBlob);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
break;
|
|
}
|
|
|
|
Unused << cp->SendBlobURLRegistration(uri, ipcBlob, principal);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* static */ void
|
|
ContentParent::BroadcastBlobURLUnregistration(const nsACString& aURI,
|
|
ContentParent* aIgnoreThisCP)
|
|
{
|
|
nsCString uri(aURI);
|
|
|
|
for (auto* cp : AllProcesses(eLive)) {
|
|
if (cp != aIgnoreThisCP) {
|
|
Unused << cp->SendBlobURLUnregistration(uri);
|
|
}
|
|
}
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvStoreAndBroadcastBlobURLRegistration(const nsCString& aURI,
|
|
const IPCBlob& aBlob,
|
|
const Principal& aPrincipal)
|
|
{
|
|
RefPtr<BlobImpl> blobImpl = IPCBlobUtils::Deserialize(aBlob);
|
|
if (NS_WARN_IF(!blobImpl)) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
if (NS_SUCCEEDED(nsHostObjectProtocolHandler::AddDataEntry(aURI, aPrincipal,
|
|
blobImpl))) {
|
|
BroadcastBlobURLRegistration(aURI, blobImpl, aPrincipal, this);
|
|
|
|
// We want to store this blobURL, so we can unregister it if the child
|
|
// crashes.
|
|
mBlobURLs.AppendElement(aURI);
|
|
}
|
|
|
|
BroadcastBlobURLRegistration(aURI, blobImpl, aPrincipal, this);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvUnstoreAndBroadcastBlobURLUnregistration(const nsCString& aURI)
|
|
{
|
|
nsHostObjectProtocolHandler::RemoveDataEntry(aURI,
|
|
false /* Don't broadcast */);
|
|
BroadcastBlobURLUnregistration(aURI, this);
|
|
mBlobURLs.RemoveElement(aURI);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvGetA11yContentId(uint32_t* aContentId)
|
|
{
|
|
#if defined(XP_WIN32) && defined(ACCESSIBILITY)
|
|
*aContentId = a11y::AccessibleWrap::GetContentProcessIdFor(ChildID());
|
|
MOZ_ASSERT(*aContentId);
|
|
return IPC_OK();
|
|
#else
|
|
return IPC_FAIL_NO_REASON(this);
|
|
#endif
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvA11yHandlerControl(const uint32_t& aPid,
|
|
const IHandlerControlHolder& aHandlerControl)
|
|
{
|
|
#if defined(XP_WIN32) && defined(ACCESSIBILITY)
|
|
MOZ_ASSERT(!aHandlerControl.IsNull());
|
|
RefPtr<IHandlerControl> proxy(aHandlerControl.Get());
|
|
a11y::AccessibleWrap::SetHandlerControl(aPid, Move(proxy));
|
|
return IPC_OK();
|
|
#else
|
|
return IPC_FAIL_NO_REASON(this);
|
|
#endif
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
NS_IMPL_ISUPPORTS(ParentIdleListener, nsIObserver)
|
|
|
|
NS_IMETHODIMP
|
|
ParentIdleListener::Observe(nsISupports*, const char* aTopic, const char16_t* aData)
|
|
{
|
|
mozilla::Unused << mParent->SendNotifyIdleObserver(mObserver,
|
|
nsDependentCString(aTopic),
|
|
nsDependentString(aData));
|
|
return NS_OK;
|
|
}
|
|
|
|
bool
|
|
ContentParent::HandleWindowsMessages(const Message& aMsg) const
|
|
{
|
|
MOZ_ASSERT(aMsg.is_sync());
|
|
|
|
// a11y messages can be triggered by windows messages, which means if we
|
|
// allow handling windows messages while we wait for the response to a sync
|
|
// a11y message we can reenter the ipc message sending code.
|
|
if (a11y::PDocAccessible::PDocAccessibleStart < aMsg.type() &&
|
|
a11y::PDocAccessible::PDocAccessibleEnd > aMsg.type()) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvGetFilesRequest(const nsID& aUUID,
|
|
const nsString& aDirectoryPath,
|
|
const bool& aRecursiveFlag)
|
|
{
|
|
MOZ_ASSERT(!mGetFilesPendingRequests.GetWeak(aUUID));
|
|
|
|
ErrorResult rv;
|
|
RefPtr<GetFilesHelper> helper =
|
|
GetFilesHelperParent::Create(aUUID, aDirectoryPath, aRecursiveFlag, this,
|
|
rv);
|
|
|
|
if (NS_WARN_IF(rv.Failed())) {
|
|
if (!SendGetFilesResponse(aUUID,
|
|
GetFilesResponseFailure(rv.StealNSResult()))) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mGetFilesPendingRequests.Put(aUUID, helper);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvDeleteGetFilesRequest(const nsID& aUUID)
|
|
{
|
|
mGetFilesPendingRequests.Remove(aUUID);
|
|
return IPC_OK();
|
|
}
|
|
|
|
void
|
|
ContentParent::SendGetFilesResponseAndForget(const nsID& aUUID,
|
|
const GetFilesResponseResult& aResult)
|
|
{
|
|
if (mGetFilesPendingRequests.Remove(aUUID)) {
|
|
Unused << SendGetFilesResponse(aUUID, aResult);
|
|
}
|
|
}
|
|
|
|
void
|
|
ContentParent::ForceTabPaint(TabParent* aTabParent, uint64_t aLayerObserverEpoch)
|
|
{
|
|
if (!mHangMonitorActor) {
|
|
return;
|
|
}
|
|
ProcessHangMonitor::ForcePaint(mHangMonitorActor, aTabParent, aLayerObserverEpoch);
|
|
}
|
|
|
|
void
|
|
ContentParent::UpdateCookieStatus(nsIChannel *aChannel)
|
|
{
|
|
PNeckoParent *neckoParent = LoneManagedOrNullAsserts(ManagedPNeckoParent());
|
|
PCookieServiceParent *csParent = LoneManagedOrNullAsserts(neckoParent->ManagedPCookieServiceParent());
|
|
if (csParent) {
|
|
auto *cs = static_cast<CookieServiceParent*>(csParent);
|
|
cs->TrackCookieLoad(aChannel);
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
ContentParent::AboutToLoadHttpFtpWyciwygDocumentForChild(nsIChannel* aChannel)
|
|
{
|
|
MOZ_ASSERT(aChannel);
|
|
|
|
nsresult rv;
|
|
bool isDocument = aChannel->IsDocument();
|
|
if (!isDocument) {
|
|
// We may be looking at a nsIHttpChannel which has isMainDocumentChannel set
|
|
// (e.g. the internal http channel for a view-source: load.).
|
|
nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(aChannel);
|
|
if (httpChannel) {
|
|
rv = httpChannel->GetIsMainDocumentChannel(&isDocument);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
}
|
|
if (!isDocument) {
|
|
return NS_OK;
|
|
}
|
|
|
|
// Get the principal for the channel result, so that we can get the permission
|
|
// key for the document which will be created from this response.
|
|
nsIScriptSecurityManager* ssm = nsContentUtils::GetSecurityManager();
|
|
if (NS_WARN_IF(!ssm)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCOMPtr<nsIPrincipal> principal;
|
|
rv = ssm->GetChannelResultPrincipal(aChannel, getter_AddRefs(principal));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
rv = TransmitPermissionsForPrincipal(principal);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsLoadFlags newLoadFlags;
|
|
aChannel->GetLoadFlags(&newLoadFlags);
|
|
if (newLoadFlags & nsIRequest::LOAD_DOCUMENT_NEEDS_COOKIE) {
|
|
UpdateCookieStatus(aChannel);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
ContentParent::TransmitPermissionsForPrincipal(nsIPrincipal* aPrincipal)
|
|
{
|
|
// Create the key, and send it down to the content process.
|
|
nsTArray<nsCString> keys =
|
|
nsPermissionManager::GetAllKeysForPrincipal(aPrincipal);
|
|
MOZ_ASSERT(keys.Length() >= 1);
|
|
for (auto& key : keys) {
|
|
EnsurePermissionsByKey(key);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
ContentParent::EnsurePermissionsByKey(const nsCString& aKey)
|
|
{
|
|
// NOTE: Make sure to initialize the permission manager before updating the
|
|
// mActivePermissionKeys list. If the permission manager is being initialized
|
|
// by this call to GetPermissionManager, and we've added the key to
|
|
// mActivePermissionKeys, then the permission manager will send down a
|
|
// SendAddPermission before receiving the SendSetPermissionsWithKey message.
|
|
nsCOMPtr<nsIPermissionManager> permManager =
|
|
services::GetPermissionManager();
|
|
|
|
if (mActivePermissionKeys.Contains(aKey)) {
|
|
return;
|
|
}
|
|
mActivePermissionKeys.PutEntry(aKey);
|
|
|
|
nsTArray<IPC::Permission> perms;
|
|
nsresult rv = permManager->GetPermissionsWithKey(aKey, perms);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return;
|
|
}
|
|
|
|
Unused << SendSetPermissionsWithKey(aKey, perms);
|
|
}
|
|
|
|
bool
|
|
ContentParent::NeedsPermissionsUpdate(const nsACString& aPermissionKey) const
|
|
{
|
|
return mActivePermissionKeys.Contains(aPermissionKey);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvAccumulateChildHistograms(
|
|
InfallibleTArray<HistogramAccumulation>&& aAccumulations)
|
|
{
|
|
TelemetryIPC::AccumulateChildHistograms(GetTelemetryProcessID(mRemoteType), aAccumulations);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvAccumulateChildKeyedHistograms(
|
|
InfallibleTArray<KeyedHistogramAccumulation>&& aAccumulations)
|
|
{
|
|
TelemetryIPC::AccumulateChildKeyedHistograms(GetTelemetryProcessID(mRemoteType), aAccumulations);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvUpdateChildScalars(
|
|
InfallibleTArray<ScalarAction>&& aScalarActions)
|
|
{
|
|
TelemetryIPC::UpdateChildScalars(GetTelemetryProcessID(mRemoteType), aScalarActions);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvUpdateChildKeyedScalars(
|
|
InfallibleTArray<KeyedScalarAction>&& aScalarActions)
|
|
{
|
|
TelemetryIPC::UpdateChildKeyedScalars(GetTelemetryProcessID(mRemoteType), aScalarActions);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvRecordChildEvents(nsTArray<mozilla::Telemetry::ChildEventData>&& aEvents)
|
|
{
|
|
TelemetryIPC::RecordChildEvents(GetTelemetryProcessID(mRemoteType), aEvents);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvRecordDiscardedData(
|
|
const mozilla::Telemetry::DiscardedData& aDiscardedData)
|
|
{
|
|
TelemetryIPC::RecordDiscardedData(GetTelemetryProcessID(mRemoteType),
|
|
aDiscardedData);
|
|
return IPC_OK();
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////
|
|
// PURLClassifierParent
|
|
|
|
PURLClassifierParent*
|
|
ContentParent::AllocPURLClassifierParent(const Principal& aPrincipal,
|
|
const bool& aUseTrackingProtection,
|
|
bool* aSuccess)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
*aSuccess = true;
|
|
RefPtr<URLClassifierParent> actor = new URLClassifierParent();
|
|
return actor.forget().take();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvPURLClassifierConstructor(PURLClassifierParent* aActor,
|
|
const Principal& aPrincipal,
|
|
const bool& aUseTrackingProtection,
|
|
bool* aSuccess)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(aActor);
|
|
*aSuccess = false;
|
|
|
|
auto* actor = static_cast<URLClassifierParent*>(aActor);
|
|
nsCOMPtr<nsIPrincipal> principal(aPrincipal);
|
|
if (!principal) {
|
|
actor->ClassificationFailed();
|
|
return IPC_OK();
|
|
}
|
|
return actor->StartClassify(principal, aUseTrackingProtection, aSuccess);
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPURLClassifierParent(PURLClassifierParent* aActor)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(aActor);
|
|
|
|
RefPtr<URLClassifierParent> actor =
|
|
dont_AddRef(static_cast<URLClassifierParent*>(aActor));
|
|
return true;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////
|
|
// PURLClassifierLocalParent
|
|
|
|
PURLClassifierLocalParent*
|
|
ContentParent::AllocPURLClassifierLocalParent(const URIParams& aURI,
|
|
const nsCString& aTables)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
RefPtr<URLClassifierLocalParent> actor = new URLClassifierLocalParent();
|
|
return actor.forget().take();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvPURLClassifierLocalConstructor(PURLClassifierLocalParent* aActor,
|
|
const URIParams& aURI,
|
|
const nsCString& aTables)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(aActor);
|
|
|
|
nsCOMPtr<nsIURI> uri = DeserializeURI(aURI);
|
|
if (!uri) {
|
|
NS_WARNING("Failed to DeserializeURI");
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
auto* actor = static_cast<URLClassifierLocalParent*>(aActor);
|
|
return actor->StartClassify(uri, aTables);
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPURLClassifierLocalParent(PURLClassifierLocalParent* aActor)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(aActor);
|
|
|
|
RefPtr<URLClassifierLocalParent> actor =
|
|
dont_AddRef(static_cast<URLClassifierLocalParent*>(aActor));
|
|
return true;
|
|
}
|
|
|
|
PLoginReputationParent*
|
|
ContentParent::AllocPLoginReputationParent(const URIParams& aURI)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
RefPtr<LoginReputationParent> actor = new LoginReputationParent();
|
|
return actor.forget().take();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvPLoginReputationConstructor(PLoginReputationParent* aActor,
|
|
const URIParams& aURI)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(aActor);
|
|
|
|
nsCOMPtr<nsIURI> uri = DeserializeURI(aURI);
|
|
if (!uri) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
auto* actor = static_cast<LoginReputationParent*>(aActor);
|
|
return actor->QueryReputation(uri);
|
|
}
|
|
|
|
bool
|
|
ContentParent::DeallocPLoginReputationParent(PLoginReputationParent* aActor)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(aActor);
|
|
|
|
RefPtr<LoginReputationParent> actor =
|
|
dont_AddRef(static_cast<LoginReputationParent*>(aActor));
|
|
return true;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvClassifyLocal(const URIParams& aURI, const nsCString& aTables,
|
|
nsresult *aRv, nsTArray<nsCString>* aResults)
|
|
{
|
|
MOZ_ASSERT(aResults);
|
|
nsCOMPtr<nsIURI> uri = DeserializeURI(aURI);
|
|
if (!uri) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
nsCOMPtr<nsIURIClassifier> uriClassifier =
|
|
do_GetService(NS_URICLASSIFIERSERVICE_CONTRACTID);
|
|
if (!uriClassifier) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
*aRv = uriClassifier->ClassifyLocalWithTables(uri, aTables, *aResults);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvFileCreationRequest(const nsID& aID,
|
|
const nsString& aFullPath,
|
|
const nsString& aType,
|
|
const nsString& aName,
|
|
const bool& aLastModifiedPassed,
|
|
const int64_t& aLastModified,
|
|
const bool& aExistenceCheck,
|
|
const bool& aIsFromNsIFile)
|
|
{
|
|
// We allow the creation of File via this IPC call only for the 'file' process
|
|
// or for testing.
|
|
if (!mRemoteType.EqualsLiteral(FILE_REMOTE_TYPE) &&
|
|
!Preferences::GetBool("dom.file.createInChild", false)) {
|
|
KillHard("FileCreationRequest is not supported.");
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
RefPtr<BlobImpl> blobImpl;
|
|
nsresult rv =
|
|
FileCreatorHelper::CreateBlobImplForIPC(aFullPath, aType, aName,
|
|
aLastModifiedPassed,
|
|
aLastModified, aExistenceCheck,
|
|
aIsFromNsIFile,
|
|
getter_AddRefs(blobImpl));
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
if (!SendFileCreationResponse(aID, FileCreationErrorResult(rv))) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
MOZ_ASSERT(blobImpl);
|
|
|
|
IPCBlob ipcBlob;
|
|
rv = IPCBlobUtils::Serialize(blobImpl, this, ipcBlob);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
if (!SendFileCreationResponse(aID, FileCreationErrorResult(rv))) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
if (!SendFileCreationResponse(aID, FileCreationSuccessResult(ipcBlob))) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
bool
|
|
ContentParent::CanCommunicateWith(ContentParentId aOtherProcess)
|
|
{
|
|
// Normally a process can only communicate with its parent, but a JS plugin process can
|
|
// communicate with any process.
|
|
ContentProcessManager *cpm = ContentProcessManager::GetSingleton();
|
|
ContentParentId parentId;
|
|
if (!cpm->GetParentProcessId(ChildID(), &parentId)) {
|
|
return false;
|
|
}
|
|
if (IsForJSPlugin()) {
|
|
return parentId == ContentParentId(0);
|
|
}
|
|
return parentId == aOtherProcess;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvMaybeReloadPlugins()
|
|
{
|
|
RefPtr<nsPluginHost> pluginHost = nsPluginHost::GetInst();
|
|
pluginHost->ReloadPlugins();
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvDeviceReset()
|
|
{
|
|
GPUProcessManager* pm = GPUProcessManager::Get();
|
|
if (pm) {
|
|
pm->SimulateDeviceReset();
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentParent::RecvBHRThreadHang(const HangDetails& aDetails)
|
|
{
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
if (obs) {
|
|
// Copy the HangDetails recieved over the network into a nsIHangDetails, and
|
|
// then fire our own observer notification.
|
|
// XXX: We should be able to avoid this potentially expensive copy here by
|
|
// moving our deserialized argument.
|
|
nsCOMPtr<nsIHangDetails> hangDetails =
|
|
new nsHangDetails(HangDetails(aDetails));
|
|
obs->NotifyObservers(hangDetails, "bhr-thread-hang", nullptr);
|
|
}
|
|
return IPC_OK();
|
|
}
|