/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef mozilla_dom_ContentParent_h #define mozilla_dom_ContentParent_h #include "mozilla/dom/PContentParent.h" #include "mozilla/dom/nsIContentParent.h" #include "mozilla/gfx/gfxVarReceiver.h" #include "mozilla/gfx/GPUProcessListener.h" #include "mozilla/ipc/GeckoChildProcessHost.h" #include "mozilla/Attributes.h" #include "mozilla/FileUtils.h" #include "mozilla/HalTypes.h" #include "mozilla/LinkedList.h" #include "mozilla/StaticPtr.h" #include "mozilla/UniquePtr.h" #include "nsDataHashtable.h" #include "nsFrameMessageManager.h" #include "nsHashKeys.h" #include "nsIObserver.h" #include "nsIThreadInternal.h" #include "nsIDOMGeoPositionCallback.h" #include "nsIDOMGeoPositionErrorCallback.h" #include "nsRefPtrHashtable.h" #include "PermissionMessageUtils.h" #include "DriverCrashGuard.h" #define CHILD_PROCESS_SHUTDOWN_MESSAGE NS_LITERAL_STRING("child-process-shutdown") class mozIApplication; class nsConsoleService; class nsICycleCollectorLogSink; class nsIDumpGCAndCCLogsCallback; class nsITimer; class ParentIdleListener; class nsIWidget; namespace mozilla { class PRemoteSpellcheckEngineParent; namespace embedding { class PrintingParent; } namespace ipc { class OptionalURIParams; class PFileDescriptorSetParent; class URIParams; class TestShellParent; } // namespace ipc namespace jsipc { class PJavaScriptParent; } // namespace jsipc namespace layers { struct TextureFactoryIdentifier; } // namespace layers namespace layout { class PRenderFrameParent; } // namespace layout namespace dom { class Element; class TabParent; class PStorageParent; class ClonedMessageData; class MemoryReport; class TabContext; class ContentBridgeParent; class GetFilesHelper; class ContentParent final : public PContentParent , public nsIContentParent , public nsIObserver , public nsIDOMGeoPositionCallback , public nsIDOMGeoPositionErrorCallback , public gfx::gfxVarReceiver , public mozilla::LinkedListElement<ContentParent> , public gfx::GPUProcessListener { typedef mozilla::ipc::GeckoChildProcessHost GeckoChildProcessHost; typedef mozilla::ipc::OptionalURIParams OptionalURIParams; typedef mozilla::ipc::PFileDescriptorSetParent PFileDescriptorSetParent; typedef mozilla::ipc::TestShellParent TestShellParent; typedef mozilla::ipc::URIParams URIParams; typedef mozilla::ipc::PrincipalInfo PrincipalInfo; typedef mozilla::dom::ClonedMessageData ClonedMessageData; public: virtual bool IsContentParent() const override { return true; } /** * Start up the content-process machinery. This might include * scheduling pre-launch tasks. */ static void StartUp(); /** Shut down the content-process machinery. */ static void ShutDown(); /** * Ensure that all subprocesses are terminated and their OS * resources have been reaped. This is synchronous and can be * very expensive in general. It also bypasses the normal * shutdown process. */ static void JoinAllSubprocesses(); static bool PreallocatedProcessReady(); /** * Get or create a content process for: * 1. browser iframe * 2. remote xul <browser> * 3. normal iframe */ static already_AddRefed<ContentParent> GetNewOrUsedBrowserProcess(bool aForBrowserElement = false, hal::ProcessPriority aPriority = hal::ProcessPriority::PROCESS_PRIORITY_FOREGROUND, ContentParent* aOpener = nullptr, bool aLargeAllocationProcess = false); /** * Create a subprocess suitable for use as a preallocated app process. */ static already_AddRefed<ContentParent> PreallocateAppProcess(); /** * Get or create a content process for the given TabContext. aFrameElement * should be the frame/iframe element with which this process will * associated. */ static TabParent* CreateBrowserOrApp(const TabContext& aContext, Element* aFrameElement, ContentParent* aOpenerContentParent, bool aFreshProcess = false); static void GetAll(nsTArray<ContentParent*>& aArray); static void GetAllEvenIfDead(nsTArray<ContentParent*>& aArray); enum CPIteratorPolicy { eLive, eAll }; class ContentParentIterator { private: ContentParent* mCurrent; CPIteratorPolicy mPolicy; public: ContentParentIterator(CPIteratorPolicy aPolicy, ContentParent* aCurrent) : mCurrent(aCurrent), mPolicy(aPolicy) { } ContentParentIterator begin() { // Move the cursor to the first element that matches the policy. while (mPolicy != eAll && mCurrent && !mCurrent->mIsAlive) { mCurrent = mCurrent->LinkedListElement<ContentParent>::getNext(); } return *this; } ContentParentIterator end() { return ContentParentIterator(mPolicy, nullptr); } const ContentParentIterator& operator++() { MOZ_ASSERT(mCurrent); do { mCurrent = mCurrent->LinkedListElement<ContentParent>::getNext(); } while (mPolicy != eAll && mCurrent && !mCurrent->mIsAlive); return *this; } bool operator!=(const ContentParentIterator& aOther) { MOZ_ASSERT(mPolicy == aOther.mPolicy); return mCurrent != aOther.mCurrent; } ContentParent* operator*() { return mCurrent; } }; static ContentParentIterator AllProcesses(CPIteratorPolicy aPolicy) { ContentParent* first = sContentParents ? sContentParents->getFirst() : nullptr; return ContentParentIterator(aPolicy, first); } static bool IgnoreIPCPrincipal(); static void NotifyUpdatedDictionaries(); #if defined(XP_WIN) /** * Windows helper for firing off an update window request to a plugin * instance. * * aWidget - the eWindowType_plugin_ipc_chrome widget associated with * this plugin window. */ static void SendAsyncUpdate(nsIWidget* aWidget); #endif // Let managees query if it is safe to send messages. bool IsDestroyed() const { return !mIPCOpen; } virtual bool RecvCreateChildProcess(const IPCTabContext& aContext, const hal::ProcessPriority& aPriority, const TabId& aOpenerTabId, ContentParentId* aCpId, bool* aIsForApp, bool* aIsForBrowser, TabId* aTabId) override; virtual bool RecvBridgeToChildProcess(const ContentParentId& aCpId) override; virtual bool RecvCreateGMPService() override; virtual bool RecvLoadPlugin(const uint32_t& aPluginId, nsresult* aRv, uint32_t* aRunID) override; virtual bool RecvConnectPluginBridge(const uint32_t& aPluginId, nsresult* aRv) override; virtual bool RecvGetBlocklistState(const uint32_t& aPluginId, uint32_t* aIsBlocklisted) override; virtual bool RecvFindPlugins(const uint32_t& aPluginEpoch, nsresult* aRv, nsTArray<PluginTag>* aPlugins, uint32_t* aNewPluginEpoch) override; virtual bool RecvUngrabPointer(const uint32_t& aTime) override; virtual bool RecvRemovePermission(const IPC::Principal& aPrincipal, const nsCString& aPermissionType, nsresult* aRv) override; NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(ContentParent, nsIObserver) NS_DECL_CYCLE_COLLECTING_ISUPPORTS NS_DECL_NSIOBSERVER NS_DECL_NSIDOMGEOPOSITIONCALLBACK NS_DECL_NSIDOMGEOPOSITIONERRORCALLBACK /** * MessageManagerCallback methods that we override. */ virtual bool DoLoadMessageManagerScript(const nsAString& aURL, bool aRunInGlobalScope) override; virtual nsresult DoSendAsyncMessage(JSContext* aCx, const nsAString& aMessage, StructuredCloneData& aData, JS::Handle<JSObject *> aCpows, nsIPrincipal* aPrincipal) override; virtual bool CheckPermission(const nsAString& aPermission) override; virtual bool CheckManifestURL(const nsAString& aManifestURL) override; virtual bool CheckAppHasPermission(const nsAString& aPermission) override; virtual bool CheckAppHasStatus(unsigned short aStatus) override; virtual bool KillChild() override; /** Notify that a tab is beginning its destruction sequence. */ static void NotifyTabDestroying(const TabId& aTabId, const ContentParentId& aCpId); /** Notify that a tab was destroyed during normal operation. */ void NotifyTabDestroyed(const TabId& aTabId, bool aNotifiedDestroying); TestShellParent* CreateTestShell(); bool DestroyTestShell(TestShellParent* aTestShell); TestShellParent* GetTestShellSingleton(); jsipc::CPOWManager* GetCPOWManager() override; static TabId AllocateTabId(const TabId& aOpenerTabId, const IPCTabContext& aContext, const ContentParentId& aCpId); static void DeallocateTabId(const TabId& aTabId, const ContentParentId& aCpId, bool aMarkedDestroying); void ReportChildAlreadyBlocked(); bool RequestRunToCompletion(); bool IsAlive() const; virtual bool IsForApp() const override; virtual bool IsForBrowser() const override { return mIsForBrowser; } GeckoChildProcessHost* Process() const { return mSubprocess; } ContentParent* Opener() const { return mOpener; } bool NeedsPermissionsUpdate() const { return mSendPermissionUpdates; } /** * Kill our subprocess and make sure it dies. Should only be used * in emergency situations since it bypasses the normal shutdown * process. * * WARNING: aReason appears in telemetry, so any new value passed in requires * data review. */ void KillHard(const char* aWhy); ContentParentId ChildID() const override { return mChildID; } const nsString& AppManifestURL() const { return mAppManifestURL; } bool IsPreallocated() const; /** * Get a user-friendly name for this ContentParent. We make no guarantees * about this name: It might not be unique, apps can spoof special names, * etc. So please don't use this name to make any decisions about the * ContentParent based on the value returned here. */ void FriendlyName(nsAString& aName, bool aAnonymize = false); virtual void OnChannelError() override; virtual PNeckoParent* AllocPNeckoParent() override; virtual bool RecvPNeckoConstructor(PNeckoParent* aActor) override { return PContentParent::RecvPNeckoConstructor(aActor); } virtual PPrintingParent* AllocPPrintingParent() override; virtual bool DeallocPPrintingParent(PPrintingParent* aActor) override; #if defined(NS_PRINTING) /** * @return the PrintingParent for this ContentParent. */ already_AddRefed<embedding::PrintingParent> GetPrintingParent(); #endif virtual PSendStreamParent* AllocPSendStreamParent() override; virtual bool DeallocPSendStreamParent(PSendStreamParent* aActor) override; virtual PScreenManagerParent* AllocPScreenManagerParent(uint32_t* aNumberOfScreens, float* aSystemDefaultScale, bool* aSuccess) override; virtual bool DeallocPScreenManagerParent(PScreenManagerParent* aActor) override; virtual PHalParent* AllocPHalParent() override; virtual bool RecvPHalConstructor(PHalParent* aActor) override { return PContentParent::RecvPHalConstructor(aActor); } virtual PHeapSnapshotTempFileHelperParent* AllocPHeapSnapshotTempFileHelperParent() override; virtual PStorageParent* AllocPStorageParent() override; virtual bool RecvPStorageConstructor(PStorageParent* aActor) override { return PContentParent::RecvPStorageConstructor(aActor); } virtual PJavaScriptParent* AllocPJavaScriptParent() override; virtual bool RecvPJavaScriptConstructor(PJavaScriptParent* aActor) override { return PContentParent::RecvPJavaScriptConstructor(aActor); } virtual PRemoteSpellcheckEngineParent* AllocPRemoteSpellcheckEngineParent() override; virtual bool RecvRecordingDeviceEvents(const nsString& aRecordingStatus, const nsString& aPageURL, const bool& aIsAudio, const bool& aIsVideo) override; bool CycleCollectWithLogs(bool aDumpAllTraces, nsICycleCollectorLogSink* aSink, nsIDumpGCAndCCLogsCallback* aCallback); virtual PBlobParent* SendPBlobConstructor(PBlobParent* aActor, const BlobConstructorParams& aParams) override; virtual bool RecvAllocateTabId(const TabId& aOpenerTabId, const IPCTabContext& aContext, const ContentParentId& aCpId, TabId* aTabId) override; virtual bool RecvDeallocateTabId(const TabId& aTabId, const ContentParentId& aCpId, const bool& aMarkedDestroying) override; virtual bool RecvNotifyTabDestroying(const TabId& aTabId, const ContentParentId& aCpId) override; nsTArray<TabContext> GetManagedTabContext(); virtual POfflineCacheUpdateParent* AllocPOfflineCacheUpdateParent(const URIParams& aManifestURI, const URIParams& aDocumentURI, const PrincipalInfo& aLoadingPrincipalInfo, const bool& aStickDocument) override; virtual bool RecvPOfflineCacheUpdateConstructor(POfflineCacheUpdateParent* aActor, const URIParams& aManifestURI, const URIParams& aDocumentURI, const PrincipalInfo& aLoadingPrincipal, const bool& stickDocument) override; virtual bool DeallocPOfflineCacheUpdateParent(POfflineCacheUpdateParent* aActor) override; virtual bool RecvSetOfflinePermission(const IPC::Principal& principal) override; virtual bool RecvFinishShutdown() override; void MaybeInvokeDragSession(TabParent* aParent); virtual PContentPermissionRequestParent* AllocPContentPermissionRequestParent(const InfallibleTArray<PermissionRequest>& aRequests, const IPC::Principal& aPrincipal, const TabId& aTabId) override; virtual bool DeallocPContentPermissionRequestParent(PContentPermissionRequestParent* actor) override; virtual bool HandleWindowsMessages(const Message& aMsg) const override; void ForkNewProcess(bool aBlocking); virtual bool RecvCreateWindow(PBrowserParent* aThisTabParent, PBrowserParent* aOpener, layout::PRenderFrameParent* aRenderFrame, const uint32_t& aChromeFlags, const bool& aCalledFromJS, const bool& aPositionSpecified, const bool& aSizeSpecified, const nsCString& aFeatures, const nsCString& aBaseURI, const DocShellOriginAttributes& aOpenerOriginAttributes, const float& aFullZoom, nsresult* aResult, bool* aWindowIsNew, InfallibleTArray<FrameScriptInfo>* aFrameScripts, nsCString* aURLToLoad, layers::TextureFactoryIdentifier* aTextureFactoryIdentifier, uint64_t* aLayersId) override; static bool AllocateLayerTreeId(TabParent* aTabParent, uint64_t* aId); static void BroadcastBlobURLRegistration(const nsACString& aURI, BlobImpl* aBlobImpl, nsIPrincipal* aPrincipal, ContentParent* aIgnoreThisCP = nullptr); static void BroadcastBlobURLUnregistration(const nsACString& aURI, ContentParent* aIgnoreThisCP = nullptr); virtual bool RecvStoreAndBroadcastBlobURLRegistration(const nsCString& aURI, PBlobParent* aBlobParent, const Principal& aPrincipal) override; virtual bool RecvUnstoreAndBroadcastBlobURLUnregistration(const nsCString& aURI) override; virtual bool RecvGetA11yContentId(uint32_t* aContentId) override; virtual int32_t Pid() const override; // Use the PHangMonitor channel to ask the child to repaint a tab. void ForceTabPaint(TabParent* aTabParent, uint64_t aLayerObserverEpoch); protected: void OnChannelConnected(int32_t pid) override; virtual void ActorDestroy(ActorDestroyReason why) override; bool ShouldContinueFromReplyTimeout() override; void OnVarChanged(const GfxVarUpdate& aVar) override; void OnCompositorUnexpectedShutdown() override; private: static nsDataHashtable<nsStringHashKey, ContentParent*> *sAppContentParents; static nsTArray<ContentParent*>* sNonAppContentParents; static nsTArray<ContentParent*>* sLargeAllocationContentParents; static nsTArray<ContentParent*>* sPrivateContent; static StaticAutoPtr<LinkedList<ContentParent> > sContentParents; static void JoinProcessesIOThread(const nsTArray<ContentParent*>* aProcesses, Monitor* aMonitor, bool* aDone); // Take the preallocated process and transform it into a "real" app process, // for the specified manifest URL. If there is no preallocated process (or // if it's dead), create a new one and set aTookPreAllocated to false. static already_AddRefed<ContentParent> GetNewOrPreallocatedAppProcess(mozIApplication* aApp, hal::ProcessPriority aInitialPriority, ContentParent* aOpener, /*out*/ bool* aTookPreAllocated = nullptr); static hal::ProcessPriority GetInitialProcessPriority(Element* aFrameElement); static ContentBridgeParent* CreateContentBridgeParent(const TabContext& aContext, const hal::ProcessPriority& aPriority, const TabId& aOpenerTabId, /*out*/ TabId* aTabId); // Hide the raw constructor methods since we don't want client code // using them. virtual PBrowserParent* SendPBrowserConstructor( PBrowserParent* actor, const TabId& aTabId, const IPCTabContext& context, const uint32_t& chromeFlags, const ContentParentId& aCpId, const bool& aIsForApp, const bool& aIsForBrowser) override; using PContentParent::SendPTestShellConstructor; FORWARD_SHMEM_ALLOCATOR_TO(PContentParent) // No more than one of !!aApp, aIsForBrowser, and aIsForPreallocated may be // true. ContentParent(mozIApplication* aApp, ContentParent* aOpener, bool aIsForBrowser, bool aIsForPreallocated); // The common initialization for the constructors. void InitializeMembers(); // Launch the subprocess and associated initialization. // Returns false if the process fails to start. bool LaunchSubprocess(hal::ProcessPriority aInitialPriority = hal::PROCESS_PRIORITY_FOREGROUND); // Common initialization after sub process launch or adoption. void InitInternal(ProcessPriority aPriority, bool aSetupOffMainThreadCompositing, bool aSendRegisteredChrome); virtual ~ContentParent(); void Init(); // Some information could be sent to content very early, it // should be send from this function. This function should only be // called after the process has been transformed to app or browser. void ForwardKnownInfo(); // Set the child process's priority and then check whether the child is // still alive. Returns true if the process is still alive, and false // otherwise. If you pass a FOREGROUND* priority here, it's (hopefully) // unlikely that the process will be killed after this point. bool SetPriorityAndCheckIsAlive(hal::ProcessPriority aPriority); // Transform a pre-allocated app process into a "real" app // process, for the specified manifest URL. void TransformPreallocatedIntoApp(ContentParent* aOpener, const nsAString& aAppManifestURL); // Transform a pre-allocated app process into a browser process. If this // returns false, the child process has died. void TransformPreallocatedIntoBrowser(ContentParent* aOpener); /** * Mark this ContentParent as dead for the purposes of Get*(). * This method is idempotent. */ void MarkAsDead(); /** * How we will shut down this ContentParent and its subprocess. */ enum ShutDownMethod { // Send a shutdown message and wait for FinishShutdown call back. SEND_SHUTDOWN_MESSAGE, // Close the channel ourselves and let the subprocess clean up itself. CLOSE_CHANNEL, // Close the channel with error and let the subprocess clean up itself. CLOSE_CHANNEL_WITH_ERROR, }; /** * Exit the subprocess and vamoose. After this call IsAlive() * will return false and this ContentParent will not be returned * by the Get*() funtions. However, the shutdown sequence itself * may be asynchronous. * * If aMethod is CLOSE_CHANNEL_WITH_ERROR and this is the first call * to ShutDownProcess, then we'll close our channel using CloseWithError() * rather than vanilla Close(). CloseWithError() indicates to IPC that this * is an abnormal shutdown (e.g. a crash). */ void ShutDownProcess(ShutDownMethod aMethod); // Perform any steps necesssary to gracefully shtudown the message // manager and null out mMessageManager. void ShutDownMessageManager(); // Start the force-kill timer on shutdown. void StartForceKillTimer(); static void ForceKillTimerCallback(nsITimer* aTimer, void* aClosure); static bool AllocateLayerTreeId(ContentParent* aContent, TabParent* aTopLevel, const TabId& aTabId, uint64_t* aId); PGMPServiceParent* AllocPGMPServiceParent(mozilla::ipc::Transport* aTransport, base::ProcessId aOtherProcess) override; PBackgroundParent* AllocPBackgroundParent(Transport* aTransport, ProcessId aOtherProcess) override; PProcessHangMonitorParent* AllocPProcessHangMonitorParent(Transport* aTransport, ProcessId aOtherProcess) override; virtual bool RecvGetProcessAttributes(ContentParentId* aCpId, bool* aIsForApp, bool* aIsForBrowser) override; virtual bool RecvGetXPCOMProcessAttributes(bool* aIsOffline, bool* aIsConnected, int32_t* aCaptivePortalState, bool* aIsLangRTL, bool* aHaveBidiKeyboards, InfallibleTArray<nsString>* dictionaries, ClipboardCapabilities* clipboardCaps, DomainPolicyClone* domainPolicy, StructuredCloneData* initialData, OptionalURIParams* aUserContentSheetURL) override; virtual bool DeallocPJavaScriptParent(mozilla::jsipc::PJavaScriptParent*) override; virtual bool DeallocPRemoteSpellcheckEngineParent(PRemoteSpellcheckEngineParent*) override; virtual PBrowserParent* AllocPBrowserParent(const TabId& aTabId, const IPCTabContext& aContext, const uint32_t& aChromeFlags, const ContentParentId& aCpId, const bool& aIsForApp, const bool& aIsForBrowser) override; virtual bool DeallocPBrowserParent(PBrowserParent* frame) override; virtual PBlobParent* AllocPBlobParent(const BlobConstructorParams& aParams) override; virtual bool DeallocPBlobParent(PBlobParent* aActor) override; virtual bool RecvPBlobConstructor(PBlobParent* aActor, const BlobConstructorParams& params) override; virtual bool RecvNSSU2FTokenIsCompatibleVersion(const nsString& aVersion, bool* aIsCompatible) override; virtual bool RecvNSSU2FTokenIsRegistered(nsTArray<uint8_t>&& aKeyHandle, bool* aIsValidKeyHandle) override; virtual bool RecvNSSU2FTokenRegister(nsTArray<uint8_t>&& aApplication, nsTArray<uint8_t>&& aChallenge, nsTArray<uint8_t>* aRegistration) override; virtual bool RecvNSSU2FTokenSign(nsTArray<uint8_t>&& aApplication, nsTArray<uint8_t>&& aChallenge, nsTArray<uint8_t>&& aKeyHandle, nsTArray<uint8_t>* aSignature) override; virtual bool RecvIsSecureURI(const uint32_t& aType, const URIParams& aURI, const uint32_t& aFlags, bool* aIsSecureURI) override; virtual bool DeallocPHalParent(PHalParent*) override; virtual bool DeallocPHeapSnapshotTempFileHelperParent(PHeapSnapshotTempFileHelperParent*) override; virtual PMemoryReportRequestParent* AllocPMemoryReportRequestParent(const uint32_t& aGeneration, const bool &aAnonymize, const bool &aMinimizeMemoryUsage, const MaybeFileDesc &aDMDFile) override; virtual bool DeallocPMemoryReportRequestParent(PMemoryReportRequestParent* actor) override; virtual PCycleCollectWithLogsParent* AllocPCycleCollectWithLogsParent(const bool& aDumpAllTraces, const FileDescriptor& aGCLog, const FileDescriptor& aCCLog) override; virtual bool DeallocPCycleCollectWithLogsParent(PCycleCollectWithLogsParent* aActor) override; virtual PTestShellParent* AllocPTestShellParent() override; virtual bool DeallocPTestShellParent(PTestShellParent* shell) override; virtual bool DeallocPNeckoParent(PNeckoParent* necko) override; virtual PPSMContentDownloaderParent* AllocPPSMContentDownloaderParent(const uint32_t& aCertType) override; virtual bool DeallocPPSMContentDownloaderParent(PPSMContentDownloaderParent* aDownloader) override; virtual PExternalHelperAppParent* AllocPExternalHelperAppParent(const OptionalURIParams& aUri, 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) override; virtual bool DeallocPExternalHelperAppParent(PExternalHelperAppParent* aService) override; virtual PHandlerServiceParent* AllocPHandlerServiceParent() override; virtual bool DeallocPHandlerServiceParent(PHandlerServiceParent*) override; virtual PMediaParent* AllocPMediaParent() override; virtual bool DeallocPMediaParent(PMediaParent* aActor) override; virtual bool DeallocPStorageParent(PStorageParent* aActor) override; virtual PSpeechSynthesisParent* AllocPSpeechSynthesisParent() override; virtual bool DeallocPSpeechSynthesisParent(PSpeechSynthesisParent* aActor) override; virtual bool RecvPSpeechSynthesisConstructor(PSpeechSynthesisParent* aActor) override; virtual PWebBrowserPersistDocumentParent* AllocPWebBrowserPersistDocumentParent(PBrowserParent* aBrowser, const uint64_t& aOuterWindowID) override; virtual bool DeallocPWebBrowserPersistDocumentParent(PWebBrowserPersistDocumentParent* aActor) override; virtual bool RecvReadPrefsArray(InfallibleTArray<PrefSetting>* aPrefs) override; virtual bool RecvGetGfxVars(InfallibleTArray<GfxVarUpdate>* aVars) override; virtual bool RecvReadFontList(InfallibleTArray<FontListEntry>* retValue) override; virtual bool RecvReadDataStorageArray(const nsString& aFilename, InfallibleTArray<DataStorageItem>* aValues) override; virtual bool RecvReadPermissions(InfallibleTArray<IPC::Permission>* aPermissions) override; virtual bool RecvSetClipboard(const IPCDataTransfer& aDataTransfer, const bool& aIsPrivateData, const IPC::Principal& aRequestingPrincipal, const int32_t& aWhichClipboard) override; virtual bool RecvGetClipboard(nsTArray<nsCString>&& aTypes, const int32_t& aWhichClipboard, IPCDataTransfer* aDataTransfer) override; virtual bool RecvEmptyClipboard(const int32_t& aWhichClipboard) override; virtual bool RecvClipboardHasType(nsTArray<nsCString>&& aTypes, const int32_t& aWhichClipboard, bool* aHasType) override; virtual bool RecvGetSystemColors(const uint32_t& colorsCount, InfallibleTArray<uint32_t>* colors) override; virtual bool RecvGetIconForExtension(const nsCString& aFileExt, const uint32_t& aIconSize, InfallibleTArray<uint8_t>* bits) override; virtual bool RecvGetShowPasswordSetting(bool* showPassword) override; virtual bool RecvStartVisitedQuery(const URIParams& uri) override; virtual bool RecvVisitURI(const URIParams& uri, const OptionalURIParams& referrer, const uint32_t& flags) override; virtual bool RecvSetURITitle(const URIParams& uri, const nsString& title) override; bool HasNotificationPermission(const IPC::Principal& aPrincipal); virtual bool RecvShowAlert(const AlertNotificationType& aAlert) override; virtual bool RecvCloseAlert(const nsString& aName, const IPC::Principal& aPrincipal) override; virtual bool RecvDisableNotifications(const IPC::Principal& aPrincipal) override; virtual bool RecvOpenNotificationSettings(const IPC::Principal& aPrincipal) override; virtual bool RecvLoadURIExternal(const URIParams& uri, PBrowserParent* windowContext) override; virtual bool RecvExtProtocolChannelConnectParent(const uint32_t& registrarId) override; virtual bool RecvSyncMessage(const nsString& aMsg, const ClonedMessageData& aData, InfallibleTArray<CpowEntry>&& aCpows, const IPC::Principal& aPrincipal, nsTArray<StructuredCloneData>* aRetvals) override; virtual bool RecvRpcMessage(const nsString& aMsg, const ClonedMessageData& aData, InfallibleTArray<CpowEntry>&& aCpows, const IPC::Principal& aPrincipal, nsTArray<StructuredCloneData>* aRetvals) override; virtual bool RecvAsyncMessage(const nsString& aMsg, InfallibleTArray<CpowEntry>&& aCpows, const IPC::Principal& aPrincipal, const ClonedMessageData& aData) override; virtual bool RecvAddGeolocationListener(const IPC::Principal& aPrincipal, const bool& aHighAccuracy) override; virtual bool RecvRemoveGeolocationListener() override; virtual bool RecvSetGeolocationHigherAccuracy(const bool& aEnable) override; virtual bool RecvConsoleMessage(const nsString& aMessage) override; virtual bool 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) override; virtual bool RecvPrivateDocShellsExist(const bool& aExist) override; virtual bool RecvFirstIdle() override; virtual bool RecvAudioChannelChangeDefVolChannel(const int32_t& aChannel, const bool& aHidden) override; virtual bool RecvAudioChannelServiceStatus(const bool& aTelephonyChannel, const bool& aContentOrNormalChannel, const bool& aAnyChannel) override; virtual bool RecvGetLookAndFeelCache(nsTArray<LookAndFeelInt>* aLookAndFeelIntCache) override; virtual bool RecvSpeakerManagerGetSpeakerStatus(bool* aValue) override; virtual bool RecvSpeakerManagerForceSpeaker(const bool& aEnable) override; virtual bool RecvCreateFakeVolume(const nsString& aFsName, const nsString& aMountPoint) override; virtual bool RecvSetFakeVolumeState(const nsString& aFsName, const int32_t& aFsState) override; virtual bool RecvRemoveFakeVolume(const nsString& fsName) override; virtual bool RecvKeywordToURI(const nsCString& aKeyword, nsString* aProviderName, OptionalInputStreamParams* aPostData, OptionalURIParams* aURI) override; virtual bool RecvNotifyKeywordSearchLoading(const nsString &aProvider, const nsString &aKeyword) override; virtual bool RecvCopyFavicon(const URIParams& aOldURI, const URIParams& aNewURI, const IPC::Principal& aLoadingPrincipal, const bool& aInPrivateBrowsing) override; virtual void ProcessingError(Result aCode, const char* aMsgName) override; virtual bool RecvAllocateLayerTreeId(const ContentParentId& aCpId, const TabId& aTabId, uint64_t* aId) override; virtual bool RecvDeallocateLayerTreeId(const uint64_t& aId) override; virtual bool RecvGetGraphicsFeatureStatus(const int32_t& aFeature, int32_t* aStatus, nsCString* aFailureId, bool* aSuccess) override; virtual bool RecvGraphicsError(const nsCString& aError) override; virtual bool RecvBeginDriverCrashGuard(const uint32_t& aGuardType, bool* aOutCrashed) override; virtual bool RecvEndDriverCrashGuard(const uint32_t& aGuardType) override; virtual bool RecvAddIdleObserver(const uint64_t& observerId, const uint32_t& aIdleTimeInS) override; virtual bool RecvRemoveIdleObserver(const uint64_t& observerId, const uint32_t& aIdleTimeInS) override; virtual bool RecvBackUpXResources(const FileDescriptor& aXSocketFd) override; virtual bool RecvOpenAnonymousTemporaryFile(FileDescOrError* aFD) override; virtual bool RecvKeygenProcessValue(const nsString& oldValue, const nsString& challenge, const nsString& keytype, const nsString& keyparams, nsString* newValue) override; virtual bool RecvKeygenProvideContent(nsString* aAttribute, nsTArray<nsString>* aContent) override; virtual PFileDescriptorSetParent* AllocPFileDescriptorSetParent(const mozilla::ipc::FileDescriptor&) override; virtual bool DeallocPFileDescriptorSetParent(PFileDescriptorSetParent*) override; virtual PWebrtcGlobalParent* AllocPWebrtcGlobalParent() override; virtual bool DeallocPWebrtcGlobalParent(PWebrtcGlobalParent *aActor) override; virtual bool RecvUpdateDropEffect(const uint32_t& aDragAction, const uint32_t& aDropEffect) override; virtual bool RecvGetGraphicsDeviceInitData(ContentDeviceData* aOut) override; virtual bool RecvGetAndroidSystemInfo(AndroidSystemInfo* aInfo) override; virtual bool RecvNotifyBenchmarkResult(const nsString& aCodecName, const uint32_t& aDecodeFPS) override; virtual bool RecvNotifyPushObservers(const nsCString& aScope, const IPC::Principal& aPrincipal, const nsString& aMessageId) override; virtual bool RecvNotifyPushObserversWithData(const nsCString& aScope, const IPC::Principal& aPrincipal, const nsString& aMessageId, InfallibleTArray<uint8_t>&& aData) override; virtual bool RecvNotifyPushSubscriptionChangeObservers(const nsCString& aScope, const IPC::Principal& aPrincipal) override; virtual bool RecvNotifyPushSubscriptionModifiedObservers(const nsCString& aScope, const IPC::Principal& aPrincipal) override; virtual bool RecvNotifyLowMemory() override; virtual bool RecvGetFilesRequest(const nsID& aID, const nsString& aDirectoryPath, const bool& aRecursiveFlag) override; virtual bool RecvDeleteGetFilesRequest(const nsID& aID) override; public: void SendGetFilesResponseAndForget(const nsID& aID, const GetFilesResponseResult& aResult); private: // If you add strong pointers to cycle collected objects here, be sure to // release these objects in ShutDownProcess. See the comment there for more // details. GeckoChildProcessHost* mSubprocess; ContentParent* mOpener; ContentParentId mChildID; int32_t mGeolocationWatchID; nsString mAppManifestURL; nsCString mKillHardAnnotation; /** * We cache mAppName instead of looking it up using mAppManifestURL when we * need it because it turns out that getting an app from the apps service is * expensive. */ nsString mAppName; // After we initiate shutdown, we also start a timer to ensure // that even content processes that are 100% blocked (say from // SIGSTOP), are still killed eventually. This task enforces that // timer. nsCOMPtr<nsITimer> mForceKillTimer; // How many tabs we're waiting to finish their destruction // sequence. Precisely, how many TabParents have called // NotifyTabDestroying() but not called NotifyTabDestroyed(). int32_t mNumDestroyingTabs; // True only while this is ready to be used to host remote tabs. // This must not be used for new purposes after mIsAlive goes to // false, but some previously scheduled IPC traffic may still pass // through. bool mIsAlive; // True only the if process is already a browser or app or has // been transformed into one. bool mMetamorphosed; bool mSendPermissionUpdates; bool mIsForBrowser; // These variables track whether we've called Close() and KillHard() on our // channel. bool mCalledClose; bool mCalledKillHard; bool mCreatedPairedMinidumps; bool mShutdownPending; bool mIPCOpen; friend class CrashReporterParent; RefPtr<nsConsoleService> mConsoleService; nsConsoleService* GetConsoleService(); nsTArray<nsCOMPtr<nsIObserver>> mIdleListeners; #ifdef MOZ_X11 // Dup of child's X socket, used to scope its resources to this // object instead of the child process's lifetime. ScopedClose mChildXSocketFdDup; #endif PProcessHangMonitorParent* mHangMonitorActor; nsCString mProfile; UniquePtr<gfx::DriverCrashGuard> mDriverCrashGuard; #ifdef NS_PRINTING RefPtr<embedding::PrintingParent> mPrintingParent; #endif // This hashtable is used to run GetFilesHelper objects in the parent process. // GetFilesHelper can be aborted by receiving RecvDeleteGetFilesRequest. nsRefPtrHashtable<nsIDHashKey, GetFilesHelper> mGetFilesPendingRequests; nsTArray<nsCString> mBlobURLs; bool mLargeAllocationProcess; }; } // namespace dom } // namespace mozilla class ParentIdleListener : public nsIObserver { friend class mozilla::dom::ContentParent; public: NS_DECL_ISUPPORTS NS_DECL_NSIOBSERVER ParentIdleListener(mozilla::dom::ContentParent* aParent, uint64_t aObserver, uint32_t aTime) : mParent(aParent), mObserver(aObserver), mTime(aTime) {} private: virtual ~ParentIdleListener() {} RefPtr<mozilla::dom::ContentParent> mParent; uint64_t mObserver; uint32_t mTime; }; #endif // mozilla_dom_ContentParent_h