gecko-dev/dom/ipc/ContentChild.h

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/* -*- 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_ContentChild_h
#define mozilla_dom_ContentChild_h
#include "mozilla/Atomics.h"
#include "mozilla/dom/BlobImpl.h"
#include "mozilla/dom/GetFilesHelper.h"
#include "mozilla/dom/PContentChild.h"
#include "mozilla/dom/ProcessActor.h"
#include "mozilla/dom/RemoteType.h"
#include "mozilla/ipc/InputStreamUtils.h"
#include "mozilla/ipc/ProtocolUtils.h"
#include "mozilla/StaticPtr.h"
#include "mozilla/UniquePtr.h"
#include "nsClassHashtable.h"
#include "nscore.h"
#include "nsHashKeys.h"
#include "nsIDOMProcessChild.h"
#include "nsRefPtrHashtable.h"
#include "nsString.h"
#include "nsTArrayForwardDeclare.h"
#include "nsTHashSet.h"
#if defined(XP_MACOSX) && defined(MOZ_SANDBOX)
# include "nsIFile.h"
#endif
struct ChromePackage;
class nsIObserver;
struct SubstitutionMapping;
struct OverrideMapping;
class nsIDomainPolicy;
class nsIURIClassifierCallback;
class nsDocShellLoadState;
class nsFrameLoader;
class nsIOpenWindowInfo;
namespace mozilla {
class RemoteSpellcheckEngineChild;
class ChildProfilerController;
class BenchmarkStorageChild;
namespace ipc {
class PChildToParentStreamChild;
class PFileDescriptorSetChild;
} // namespace ipc
namespace loader {
class PScriptCacheChild;
}
namespace widget {
enum class ThemeChangeKind : uint8_t;
}
#if !defined(XP_WIN)
// Returns whether or not the currently running build is an unpackaged
// developer build. This check is implemented by looking for omni.ja in the
// the obj/dist dir. We use this routine to detect when the build dir will
// use symlinks to the repo and object dir. On Windows, dev builds don't
// use symlinks.
bool IsDevelopmentBuild();
#endif /* !XP_WIN */
namespace dom {
namespace ipc {
class SharedMap;
}
class AlertObserver;
class ConsoleListener;
class ClonedMessageData;
class BrowserChild;
class TabContext;
enum class CallerType : uint32_t;
class ContentChild final : public PContentChild,
public nsIDOMProcessChild,
public mozilla::ipc::IShmemAllocator,
public mozilla::ipc::ChildToParentStreamActorManager,
public ProcessActor {
typedef mozilla::dom::ClonedMessageData ClonedMessageData;
typedef mozilla::ipc::FileDescriptor FileDescriptor;
typedef mozilla::ipc::PFileDescriptorSetChild PFileDescriptorSetChild;
friend class PContentChild;
public:
NS_DECL_NSIDOMPROCESSCHILD
ContentChild();
virtual ~ContentChild();
NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr) override;
NS_IMETHOD_(MozExternalRefCountType) AddRef(void) override { return 1; }
NS_IMETHOD_(MozExternalRefCountType) Release(void) override { return 1; }
struct AppInfo {
nsCString version;
nsCString buildID;
nsCString name;
nsCString UAName;
nsCString ID;
nsCString vendor;
nsCString sourceURL;
nsCString updateURL;
};
MOZ_CAN_RUN_SCRIPT_BOUNDARY nsresult ProvideWindowCommon(
BrowserChild* aTabOpener, nsIOpenWindowInfo* aOpenWindowInfo,
uint32_t aChromeFlags, bool aCalledFromJS, bool aWidthSpecified,
nsIURI* aURI, const nsAString& aName, const nsACString& aFeatures,
bool aForceNoOpener, bool aForceNoReferrer,
nsDocShellLoadState* aLoadState, bool* aWindowIsNew,
BrowsingContext** aReturn);
bool Init(base::ProcessId aParentPid, const char* aParentBuildID,
mozilla::ipc::ScopedPort aPort, uint64_t aChildID,
bool aIsForBrowser);
void InitXPCOM(XPCOMInitData&& aXPCOMInit,
const mozilla::dom::ipc::StructuredCloneData& aInitialData);
void InitSharedUASheets(const Maybe<base::SharedMemoryHandle>& aHandle,
uintptr_t aAddress);
void InitGraphicsDeviceData(const ContentDeviceData& aData);
static ContentChild* GetSingleton() { return sSingleton; }
const AppInfo& GetAppInfo() { return mAppInfo; }
void SetProcessName(const nsACString& aName,
const nsACString* aETLDplus1 = nullptr);
void GetProcessName(nsACString& aName) const;
#if defined(XP_MACOSX) && defined(MOZ_SANDBOX)
void GetProfileDir(nsIFile** aProfileDir) const {
*aProfileDir = mProfileDir;
NS_IF_ADDREF(*aProfileDir);
}
void SetProfileDir(nsIFile* aProfileDir) { mProfileDir = aProfileDir; }
#endif
bool IsAlive() const;
bool IsShuttingDown() const;
ipc::SharedMap* SharedData() { return mSharedData; };
static void AppendProcessId(nsACString& aName);
static void UpdateCookieStatus(nsIChannel* aChannel);
mozilla::ipc::IPCResult RecvInitGMPService(
Endpoint<PGMPServiceChild>&& aGMPService);
mozilla::ipc::IPCResult RecvInitProfiler(
Endpoint<PProfilerChild>&& aEndpoint);
mozilla::ipc::IPCResult RecvGMPsChanged(
nsTArray<GMPCapabilityData>&& capabilities);
mozilla::ipc::IPCResult RecvInitProcessHangMonitor(
Endpoint<PProcessHangMonitorChild>&& aHangMonitor);
mozilla::ipc::IPCResult RecvInitRendering(
Endpoint<PCompositorManagerChild>&& aCompositor,
Endpoint<PImageBridgeChild>&& aImageBridge,
Endpoint<PVRManagerChild>&& aVRBridge,
Endpoint<PRemoteDecoderManagerChild>&& aVideoManager,
nsTArray<uint32_t>&& namespaces);
mozilla::ipc::IPCResult RecvRequestPerformanceMetrics(const nsID& aID);
mozilla::ipc::IPCResult RecvReinitRendering(
Endpoint<PCompositorManagerChild>&& aCompositor,
Endpoint<PImageBridgeChild>&& aImageBridge,
Endpoint<PVRManagerChild>&& aVRBridge,
Endpoint<PRemoteDecoderManagerChild>&& aVideoManager,
nsTArray<uint32_t>&& namespaces);
mozilla::ipc::IPCResult RecvReinitRenderingForDeviceReset();
mozilla::ipc::IPCResult RecvSetProcessSandbox(
const Maybe<FileDescriptor>& aBroker);
already_AddRefed<PRemoteLazyInputStreamChild>
AllocPRemoteLazyInputStreamChild(const nsID& aID, const uint64_t& aSize);
PHalChild* AllocPHalChild();
bool DeallocPHalChild(PHalChild*);
PHeapSnapshotTempFileHelperChild* AllocPHeapSnapshotTempFileHelperChild();
bool DeallocPHeapSnapshotTempFileHelperChild(
PHeapSnapshotTempFileHelperChild*);
PCycleCollectWithLogsChild* AllocPCycleCollectWithLogsChild(
const bool& aDumpAllTraces, const FileDescriptor& aGCLog,
const FileDescriptor& aCCLog);
bool DeallocPCycleCollectWithLogsChild(PCycleCollectWithLogsChild* aActor);
virtual mozilla::ipc::IPCResult RecvPCycleCollectWithLogsConstructor(
PCycleCollectWithLogsChild* aChild, const bool& aDumpAllTraces,
const FileDescriptor& aGCLog, const FileDescriptor& aCCLog) override;
PWebBrowserPersistDocumentChild* AllocPWebBrowserPersistDocumentChild(
PBrowserChild* aBrowser, const MaybeDiscarded<BrowsingContext>& aContext);
virtual mozilla::ipc::IPCResult RecvPWebBrowserPersistDocumentConstructor(
PWebBrowserPersistDocumentChild* aActor, PBrowserChild* aBrowser,
const MaybeDiscarded<BrowsingContext>& aContext) override;
bool DeallocPWebBrowserPersistDocumentChild(
PWebBrowserPersistDocumentChild* aActor);
PTestShellChild* AllocPTestShellChild();
bool DeallocPTestShellChild(PTestShellChild*);
virtual mozilla::ipc::IPCResult RecvPTestShellConstructor(
PTestShellChild*) override;
PScriptCacheChild* AllocPScriptCacheChild(const FileDescOrError& cacheFile,
const bool& wantCacheData);
bool DeallocPScriptCacheChild(PScriptCacheChild*);
virtual mozilla::ipc::IPCResult RecvPScriptCacheConstructor(
PScriptCacheChild*, const FileDescOrError& cacheFile,
const bool& wantCacheData) override;
PNeckoChild* AllocPNeckoChild();
bool DeallocPNeckoChild(PNeckoChild*);
PPrintingChild* AllocPPrintingChild();
bool DeallocPPrintingChild(PPrintingChild*);
PChildToParentStreamChild* AllocPChildToParentStreamChild();
bool DeallocPChildToParentStreamChild(PChildToParentStreamChild*);
PParentToChildStreamChild* AllocPParentToChildStreamChild();
bool DeallocPParentToChildStreamChild(PParentToChildStreamChild*);
PMediaChild* AllocPMediaChild();
bool DeallocPMediaChild(PMediaChild* aActor);
PBenchmarkStorageChild* AllocPBenchmarkStorageChild();
bool DeallocPBenchmarkStorageChild(PBenchmarkStorageChild* aActor);
mozilla::ipc::IPCResult RecvNotifyEmptyHTTPCache();
#ifdef MOZ_WEBSPEECH
PSpeechSynthesisChild* AllocPSpeechSynthesisChild();
bool DeallocPSpeechSynthesisChild(PSpeechSynthesisChild* aActor);
#endif
mozilla::ipc::IPCResult RecvRegisterChrome(
nsTArray<ChromePackage>&& packages,
nsTArray<SubstitutionMapping>&& resources,
nsTArray<OverrideMapping>&& overrides, const nsCString& locale,
const bool& reset);
mozilla::ipc::IPCResult RecvRegisterChromeItem(
const ChromeRegistryItem& item);
mozilla::ipc::IPCResult RecvClearStyleSheetCache(
const Maybe<RefPtr<nsIPrincipal>>& aForPrincipal,
const Maybe<nsCString>& aBaseDomain);
mozilla::ipc::IPCResult RecvClearImageCacheFromPrincipal(
nsIPrincipal* aPrincipal);
mozilla::ipc::IPCResult RecvClearImageCacheFromBaseDomain(
const nsCString& aBaseDomain);
mozilla::ipc::IPCResult RecvClearImageCache(const bool& privateLoader,
const bool& chrome);
PRemoteSpellcheckEngineChild* AllocPRemoteSpellcheckEngineChild();
bool DeallocPRemoteSpellcheckEngineChild(PRemoteSpellcheckEngineChild*);
mozilla::ipc::IPCResult RecvSetOffline(const bool& offline);
mozilla::ipc::IPCResult RecvSetConnectivity(const bool& connectivity);
mozilla::ipc::IPCResult RecvSetCaptivePortalState(const int32_t& state);
mozilla::ipc::IPCResult RecvBidiKeyboardNotify(const bool& isLangRTL,
const bool& haveBidiKeyboards);
mozilla::ipc::IPCResult RecvNotifyVisited(nsTArray<VisitedQueryResult>&&);
mozilla::ipc::IPCResult RecvThemeChanged(FullLookAndFeel&&,
widget::ThemeChangeKind);
mozilla::ipc::IPCResult RecvUpdateSystemParameters(
nsTArray<SystemParameterKVPair>&& aUpdates);
// auto remove when alertfinished is received.
nsresult AddRemoteAlertObserver(const nsString& aData,
nsIObserver* aObserver);
mozilla::ipc::IPCResult RecvPreferenceUpdate(const Pref& aPref);
mozilla::ipc::IPCResult RecvVarUpdate(const GfxVarUpdate& pref);
mozilla::ipc::IPCResult RecvUpdatePerfStatsCollectionMask(
const uint64_t& aMask);
mozilla::ipc::IPCResult RecvCollectPerfStatsJSON(
CollectPerfStatsJSONResolver&& aResolver);
mozilla::ipc::IPCResult RecvNotifyAlertsObserver(const nsCString& aType,
const nsString& aData);
mozilla::ipc::IPCResult RecvLoadProcessScript(const nsString& aURL);
mozilla::ipc::IPCResult RecvAsyncMessage(const nsString& aMsg,
const ClonedMessageData& aData);
mozilla::ipc::IPCResult RecvRegisterStringBundles(
nsTArray<StringBundleDescriptor>&& stringBundles);
mozilla::ipc::IPCResult RecvUpdateSharedData(
const FileDescriptor& aMapFile, const uint32_t& aMapSize,
nsTArray<IPCBlob>&& aBlobs, nsTArray<nsCString>&& aChangedKeys);
mozilla::ipc::IPCResult RecvFontListChanged();
mozilla::ipc::IPCResult RecvGeolocationUpdate(nsIDOMGeoPosition* aPosition);
// MOZ_CAN_RUN_SCRIPT_BOUNDARY because we don't have MOZ_CAN_RUN_SCRIPT bits
// in IPC code yet.
MOZ_CAN_RUN_SCRIPT_BOUNDARY
mozilla::ipc::IPCResult RecvGeolocationError(const uint16_t& errorCode);
mozilla::ipc::IPCResult RecvUpdateDictionaryList(
nsTArray<nsCString>&& aDictionaries);
mozilla::ipc::IPCResult RecvUpdateFontList(SystemFontList&&);
mozilla::ipc::IPCResult RecvRebuildFontList(const bool& aFullRebuild);
mozilla::ipc::IPCResult RecvFontListShmBlockAdded(
const uint32_t& aGeneration, const uint32_t& aIndex,
const base::SharedMemoryHandle& aHandle);
mozilla::ipc::IPCResult RecvUpdateAppLocales(
nsTArray<nsCString>&& aAppLocales);
mozilla::ipc::IPCResult RecvUpdateRequestedLocales(
nsTArray<nsCString>&& aRequestedLocales);
mozilla::ipc::IPCResult RecvAddPermission(const IPC::Permission& permission);
mozilla::ipc::IPCResult RecvRemoveAllPermissions();
mozilla::ipc::IPCResult RecvFlushMemory(const nsString& reason);
mozilla::ipc::IPCResult RecvActivateA11y(const uint32_t& aMainChromeTid,
const uint32_t& aMsaaID);
mozilla::ipc::IPCResult RecvShutdownA11y();
mozilla::ipc::IPCResult RecvApplicationForeground();
mozilla::ipc::IPCResult RecvApplicationBackground();
mozilla::ipc::IPCResult RecvGarbageCollect();
mozilla::ipc::IPCResult RecvCycleCollect();
mozilla::ipc::IPCResult RecvUnlinkGhosts();
mozilla::ipc::IPCResult RecvAppInfo(
const nsCString& version, const nsCString& buildID, const nsCString& name,
const nsCString& UAName, const nsCString& ID, const nsCString& vendor,
const nsCString& sourceURL, const nsCString& updateURL);
mozilla::ipc::IPCResult RecvRemoteType(const nsCString& aRemoteType);
void PreallocInit();
// Call RemoteTypePrefix() on the result to remove URIs if you want to use
// this for telemetry.
const nsACString& GetRemoteType() const override;
mozilla::ipc::IPCResult RecvInitBlobURLs(
nsTArray<BlobURLRegistrationData>&& aRegistations);
mozilla::ipc::IPCResult RecvInitJSActorInfos(
nsTArray<JSProcessActorInfo>&& aContentInfos,
nsTArray<JSWindowActorInfo>&& aWindowInfos);
mozilla::ipc::IPCResult RecvUnregisterJSWindowActor(const nsCString& aName);
mozilla::ipc::IPCResult RecvUnregisterJSProcessActor(const nsCString& aName);
mozilla::ipc::IPCResult RecvLastPrivateDocShellDestroyed();
mozilla::ipc::IPCResult RecvNotifyProcessPriorityChanged(
const hal::ProcessPriority& aPriority);
mozilla::ipc::IPCResult RecvMinimizeMemoryUsage();
mozilla::ipc::IPCResult RecvLoadAndRegisterSheet(nsIURI* aURI,
const uint32_t& aType);
mozilla::ipc::IPCResult RecvUnregisterSheet(nsIURI* aURI,
const uint32_t& aType);
void AddIdleObserver(nsIObserver* aObserver, uint32_t aIdleTimeInS);
void RemoveIdleObserver(nsIObserver* aObserver, uint32_t aIdleTimeInS);
mozilla::ipc::IPCResult RecvNotifyIdleObserver(const uint64_t& aObserver,
const nsCString& aTopic,
const nsString& aData);
mozilla::ipc::IPCResult RecvUpdateWindow(const uintptr_t& aChildId);
mozilla::ipc::IPCResult RecvDomainSetChanged(const uint32_t& aSetType,
const uint32_t& aChangeType,
nsIURI* aDomain);
mozilla::ipc::IPCResult RecvShutdown();
mozilla::ipc::IPCResult RecvInvokeDragSession(
nsTArray<IPCDataTransfer>&& aTransfers, const uint32_t& aAction);
MOZ_CAN_RUN_SCRIPT_BOUNDARY
mozilla::ipc::IPCResult RecvEndDragSession(
const bool& aDoneDrag, const bool& aUserCancelled,
const mozilla::LayoutDeviceIntPoint& aEndDragPoint,
const uint32_t& aKeyModifiers);
mozilla::ipc::IPCResult RecvPush(const nsCString& aScope,
const IPC::Principal& aPrincipal,
const nsString& aMessageId);
mozilla::ipc::IPCResult RecvPushWithData(const nsCString& aScope,
const IPC::Principal& aPrincipal,
const nsString& aMessageId,
nsTArray<uint8_t>&& aData);
mozilla::ipc::IPCResult RecvPushSubscriptionChange(
const nsCString& aScope, const IPC::Principal& aPrincipal);
mozilla::ipc::IPCResult RecvPushError(const nsCString& aScope,
const IPC::Principal& aPrincipal,
const nsString& aMessage,
const uint32_t& aFlags);
mozilla::ipc::IPCResult RecvNotifyPushSubscriptionModifiedObservers(
const nsCString& aScope, const IPC::Principal& aPrincipal);
mozilla::ipc::IPCResult RecvRefreshScreens(
nsTArray<ScreenDetails>&& aScreens);
mozilla::ipc::IPCResult RecvNetworkLinkTypeChange(const uint32_t& aType);
uint32_t NetworkLinkType() const { return mNetworkLinkType; }
// Get the directory for IndexedDB files. We query the parent for this and
// cache the value
nsString& GetIndexedDBPath();
ContentParentId GetID() const { return mID; }
#if defined(XP_WIN) && defined(ACCESSIBILITY)
uint32_t GetChromeMainThreadId() const { return mMainChromeTid; }
uint32_t GetMsaaID() const { return mMsaaID; }
#endif
bool IsForBrowser() const { return mIsForBrowser; }
PFileDescriptorSetChild* AllocPFileDescriptorSetChild(const FileDescriptor&);
bool DeallocPFileDescriptorSetChild(PFileDescriptorSetChild*);
MOZ_CAN_RUN_SCRIPT_BOUNDARY mozilla::ipc::IPCResult RecvConstructBrowser(
ManagedEndpoint<PBrowserChild>&& aBrowserEp,
ManagedEndpoint<PWindowGlobalChild>&& aWindowEp, const TabId& aTabId,
const IPCTabContext& aContext, const WindowGlobalInit& aWindowInit,
const uint32_t& aChromeFlags, const ContentParentId& aCpID,
const bool& aIsForBrowser, const bool& aIsTopLevel);
FORWARD_SHMEM_ALLOCATOR_TO(PContentChild)
void GetAvailableDictionaries(nsTArray<nsCString>& aDictionaries);
PWebrtcGlobalChild* AllocPWebrtcGlobalChild();
bool DeallocPWebrtcGlobalChild(PWebrtcGlobalChild* aActor);
PContentPermissionRequestChild* AllocPContentPermissionRequestChild(
const nsTArray<PermissionRequest>& aRequests,
const IPC::Principal& aPrincipal,
const IPC::Principal& aTopLevelPrincipal,
const bool& aIsHandlingUserInput,
const bool& aMaybeUnsafePermissionDelegate, const TabId& aTabId);
bool DeallocPContentPermissionRequestChild(
PContentPermissionRequestChild* actor);
// GetFiles for WebKit/Blink FileSystem API and Directory API must run on the
// parent process.
void CreateGetFilesRequest(const nsAString& aDirectoryPath,
bool aRecursiveFlag, nsID& aUUID,
GetFilesHelperChild* aChild);
void DeleteGetFilesRequest(nsID& aUUID, GetFilesHelperChild* aChild);
mozilla::ipc::IPCResult RecvGetFilesResponse(
const nsID& aUUID, const GetFilesResponseResult& aResult);
mozilla::ipc::IPCResult RecvBlobURLRegistration(
const nsCString& aURI, const IPCBlob& aBlob,
const IPC::Principal& aPrincipal, const Maybe<nsID>& aAgentClusterId);
mozilla::ipc::IPCResult RecvBlobURLUnregistration(const nsCString& aURI);
mozilla::ipc::IPCResult RecvRequestMemoryReport(
const uint32_t& generation, const bool& anonymize,
const bool& minimizeMemoryUsage, const Maybe<FileDescriptor>& DMDFile,
const RequestMemoryReportResolver& aResolver);
mozilla::ipc::IPCResult RecvGetUntrustedModulesData(
GetUntrustedModulesDataResolver&& aResolver);
mozilla::ipc::IPCResult RecvSetXPCOMProcessAttributes(
XPCOMInitData&& aXPCOMInit, const StructuredCloneData& aInitialData,
FullLookAndFeel&& aLookAndFeelData, SystemFontList&& aFontList,
const Maybe<base::SharedMemoryHandle>& aSharedUASheetHandle,
const uintptr_t& aSharedUASheetAddress,
nsTArray<base::SharedMemoryHandle>&& aSharedFontListBlocks);
mozilla::ipc::IPCResult RecvProvideAnonymousTemporaryFile(
const uint64_t& aID, const FileDescOrError& aFD);
mozilla::ipc::IPCResult RecvSetPermissionsWithKey(
const nsCString& aPermissionKey, nsTArray<IPC::Permission>&& aPerms);
mozilla::ipc::IPCResult RecvShareCodeCoverageMutex(
const CrossProcessMutexHandle& aHandle);
mozilla::ipc::IPCResult RecvFlushCodeCoverageCounters(
FlushCodeCoverageCountersResolver&& aResolver);
mozilla::ipc::IPCResult RecvSetInputEventQueueEnabled();
mozilla::ipc::IPCResult RecvFlushInputEventQueue();
mozilla::ipc::IPCResult RecvSuspendInputEventQueue();
mozilla::ipc::IPCResult RecvResumeInputEventQueue();
mozilla::ipc::IPCResult RecvAddDynamicScalars(
nsTArray<DynamicScalarDefinition>&& aDefs);
#if defined(XP_WIN) && defined(ACCESSIBILITY)
bool SendGetA11yContentId();
#endif // defined(XP_WIN) && defined(ACCESSIBILITY)
// Get a reference to the font list passed from the chrome process,
// for use during gfx initialization.
SystemFontList& SystemFontList() { return mFontList; }
nsTArray<base::SharedMemoryHandle>& SharedFontListBlocks() {
return mSharedFontListBlocks;
}
// PURLClassifierChild
PURLClassifierChild* AllocPURLClassifierChild(const Principal& aPrincipal,
bool* aSuccess);
bool DeallocPURLClassifierChild(PURLClassifierChild* aActor);
// PURLClassifierLocalChild
PURLClassifierLocalChild* AllocPURLClassifierLocalChild(
nsIURI* aUri, const nsTArray<IPCURLClassifierFeature>& aFeatures);
bool DeallocPURLClassifierLocalChild(PURLClassifierLocalChild* aActor);
PLoginReputationChild* AllocPLoginReputationChild(nsIURI* aUri);
bool DeallocPLoginReputationChild(PLoginReputationChild* aActor);
PSessionStorageObserverChild* AllocPSessionStorageObserverChild();
bool DeallocPSessionStorageObserverChild(
PSessionStorageObserverChild* aActor);
FullLookAndFeel& BorrowLookAndFeelData() { return mLookAndFeelData; }
/**
* Helper function for protocols that use the GPU process when available.
* Overrides FatalError to just be a warning when communicating with the
* GPU process since we don't want to crash the content process when the
* GPU process crashes.
*/
static void FatalErrorIfNotUsingGPUProcess(const char* const aErrorMsg,
base::ProcessId aOtherPid);
typedef std::function<void(PRFileDesc*)> AnonymousTemporaryFileCallback;
nsresult AsyncOpenAnonymousTemporaryFile(
const AnonymousTemporaryFileCallback& aCallback);
mozilla::ipc::IPCResult RecvSaveRecording(const FileDescriptor& aFile);
mozilla::ipc::IPCResult RecvCrossProcessRedirect(
RedirectToRealChannelArgs&& aArgs,
nsTArray<Endpoint<extensions::PStreamFilterParent>>&& aEndpoints,
CrossProcessRedirectResolver&& aResolve);
mozilla::ipc::IPCResult RecvStartDelayedAutoplayMediaComponents(
const MaybeDiscarded<BrowsingContext>& aContext);
mozilla::ipc::IPCResult RecvUpdateMediaControlAction(
const MaybeDiscarded<BrowsingContext>& aContext,
const MediaControlAction& aAction);
// See `BrowsingContext::mEpochs` for an explanation of this field.
uint64_t GetBrowsingContextFieldEpoch() const {
return mBrowsingContextFieldEpoch;
}
uint64_t NextBrowsingContextFieldEpoch() {
mBrowsingContextFieldEpoch++;
return mBrowsingContextFieldEpoch;
}
mozilla::ipc::IPCResult RecvOnAllowAccessFor(
const MaybeDiscarded<BrowsingContext>& aContext,
const nsCString& aTrackingOrigin, uint32_t aCookieBehavior,
const ContentBlockingNotifier::StorageAccessPermissionGrantedReason&
aReason);
mozilla::ipc::IPCResult RecvOnContentBlockingDecision(
const MaybeDiscarded<BrowsingContext>& aContext,
const ContentBlockingNotifier::BlockingDecision& aDecision,
uint32_t aRejectedReason);
#ifdef NIGHTLY_BUILD
// Fetch the current number of pending input events.
//
// NOTE: This method performs an atomic read, and is safe to call from all
// threads.
uint32_t GetPendingInputEvents() { return mPendingInputEvents; }
#endif
#if defined(MOZ_SANDBOX) && defined(MOZ_DEBUG) && defined(ENABLE_TESTS)
mozilla::ipc::IPCResult RecvInitSandboxTesting(
Endpoint<PSandboxTestingChild>&& aEndpoint);
#endif
PChildToParentStreamChild* SendPChildToParentStreamConstructor(
PChildToParentStreamChild* aActor) override;
PFileDescriptorSetChild* SendPFileDescriptorSetConstructor(
const FileDescriptor& aFD) override;
private:
static void ForceKillTimerCallback(nsITimer* aTimer, void* aClosure);
void StartForceKillTimer();
void ShutdownInternal();
mozilla::ipc::IPCResult GetResultForRenderingInitFailure(
base::ProcessId aOtherPid);
virtual void ActorDestroy(ActorDestroyReason why) override;
virtual void ProcessingError(Result aCode, const char* aReason) override;
virtual void OnChannelReceivedMessage(const Message& aMsg) override;
mozilla::ipc::IPCResult RecvCreateBrowsingContext(
uint64_t aGroupId, BrowsingContext::IPCInitializer&& aInit);
mozilla::ipc::IPCResult RecvDiscardBrowsingContext(
const MaybeDiscarded<BrowsingContext>& aContext,
DiscardBrowsingContextResolver&& aResolve);
mozilla::ipc::IPCResult RecvRegisterBrowsingContextGroup(
uint64_t aGroupId, nsTArray<SyncedContextInitializer>&& aInits);
mozilla::ipc::IPCResult RecvDestroyBrowsingContextGroup(uint64_t aGroupId);
mozilla::ipc::IPCResult RecvWindowClose(
const MaybeDiscarded<BrowsingContext>& aContext, bool aTrustedCaller);
mozilla::ipc::IPCResult RecvWindowFocus(
const MaybeDiscarded<BrowsingContext>& aContext, CallerType aCallerType,
uint64_t aActionId);
mozilla::ipc::IPCResult RecvWindowBlur(
const MaybeDiscarded<BrowsingContext>& aContext, CallerType aCallerType);
mozilla::ipc::IPCResult RecvRaiseWindow(
const MaybeDiscarded<BrowsingContext>& aContext, CallerType aCallerType,
uint64_t aActionId);
mozilla::ipc::IPCResult RecvAdjustWindowFocus(
const MaybeDiscarded<BrowsingContext>& aContext, bool aIsVisible,
uint64_t aActionId);
mozilla::ipc::IPCResult RecvClearFocus(
const MaybeDiscarded<BrowsingContext>& aContext);
mozilla::ipc::IPCResult RecvSetFocusedBrowsingContext(
const MaybeDiscarded<BrowsingContext>& aContext, uint64_t aActionId);
mozilla::ipc::IPCResult RecvSetActiveBrowsingContext(
const MaybeDiscarded<BrowsingContext>& aContext, uint64_t aActionId);
mozilla::ipc::IPCResult RecvAbortOrientationPendingPromises(
const MaybeDiscarded<BrowsingContext>& aContext);
mozilla::ipc::IPCResult RecvUnsetActiveBrowsingContext(
const MaybeDiscarded<BrowsingContext>& aContext, uint64_t aActionId);
mozilla::ipc::IPCResult RecvSetFocusedElement(
const MaybeDiscarded<BrowsingContext>& aContext, bool aNeedsFocus);
mozilla::ipc::IPCResult RecvFinalizeFocusOuter(
const MaybeDiscarded<BrowsingContext>& aContext, bool aCanFocus,
CallerType aCallerType);
mozilla::ipc::IPCResult RecvBlurToChild(
const MaybeDiscarded<BrowsingContext>& aFocusedBrowsingContext,
const MaybeDiscarded<BrowsingContext>& aBrowsingContextToClear,
const MaybeDiscarded<BrowsingContext>& aAncestorBrowsingContextToFocus,
bool aIsLeavingDocument, bool aAdjustWidget, uint64_t aActionId);
mozilla::ipc::IPCResult RecvSetupFocusedAndActive(
const MaybeDiscarded<BrowsingContext>& aFocusedBrowsingContext,
uint64_t aActionIdForFocused,
const MaybeDiscarded<BrowsingContext>& aActiveBrowsingContext,
uint64_t aActionIdForActive);
mozilla::ipc::IPCResult RecvReviseActiveBrowsingContext(
uint64_t aOldActionId,
const MaybeDiscarded<BrowsingContext>& aActiveBrowsingContext,
uint64_t aNewActionId);
mozilla::ipc::IPCResult RecvReviseFocusedBrowsingContext(
uint64_t aOldActionId,
const MaybeDiscarded<BrowsingContext>& aFocusedBrowsingContext,
uint64_t aNewActionId);
mozilla::ipc::IPCResult RecvMaybeExitFullscreen(
const MaybeDiscarded<BrowsingContext>& aContext);
mozilla::ipc::IPCResult RecvWindowPostMessage(
const MaybeDiscarded<BrowsingContext>& aContext,
const ClonedOrErrorMessageData& aMessage, const PostMessageData& aData);
mozilla::ipc::IPCResult RecvCommitBrowsingContextTransaction(
const MaybeDiscarded<BrowsingContext>& aContext,
BrowsingContext::BaseTransaction&& aTransaction, uint64_t aEpoch);
mozilla::ipc::IPCResult RecvCommitWindowContextTransaction(
const MaybeDiscarded<WindowContext>& aContext,
WindowContext::BaseTransaction&& aTransaction, uint64_t aEpoch);
mozilla::ipc::IPCResult RecvCreateWindowContext(
WindowContext::IPCInitializer&& aInit);
mozilla::ipc::IPCResult RecvDiscardWindowContext(
uint64_t aContextId, DiscardWindowContextResolver&& aResolve);
mozilla::ipc::IPCResult 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,
const uint64_t& aInnerWindowId, const bool& aFromChromeContext);
mozilla::ipc::IPCResult RecvReportFrameTimingData(
uint64_t innerWindowId, const nsString& entryName,
const nsString& initiatorType, UniquePtr<PerformanceTimingData>&& aData);
mozilla::ipc::IPCResult RecvLoadURI(
const MaybeDiscarded<BrowsingContext>& aContext,
nsDocShellLoadState* aLoadState, bool aSetNavigating,
LoadURIResolver&& aResolve);
mozilla::ipc::IPCResult RecvInternalLoad(nsDocShellLoadState* aLoadState);
mozilla::ipc::IPCResult RecvDisplayLoadError(
const MaybeDiscarded<BrowsingContext>& aContext, const nsAString& aURI);
mozilla::ipc::IPCResult RecvGoBack(
const MaybeDiscarded<BrowsingContext>& aContext,
const Maybe<int32_t>& aCancelContentJSEpoch, bool aRequireUserInteraction,
bool aUserActivation);
mozilla::ipc::IPCResult RecvGoForward(
const MaybeDiscarded<BrowsingContext>& aContext,
const Maybe<int32_t>& aCancelContentJSEpoch, bool aRequireUserInteraction,
bool aUserActivation);
mozilla::ipc::IPCResult RecvGoToIndex(
const MaybeDiscarded<BrowsingContext>& aContext, const int32_t& aIndex,
const Maybe<int32_t>& aCancelContentJSEpoch, bool aUserActivation);
mozilla::ipc::IPCResult RecvReload(
const MaybeDiscarded<BrowsingContext>& aContext,
const uint32_t aReloadFlags);
mozilla::ipc::IPCResult RecvStopLoad(
const MaybeDiscarded<BrowsingContext>& aContext,
const uint32_t aStopFlags);
mozilla::ipc::IPCResult RecvRawMessage(
const JSActorMessageMeta& aMeta, const Maybe<ClonedMessageData>& aData,
const Maybe<ClonedMessageData>& aStack);
already_AddRefed<JSActor> InitJSActor(JS::HandleObject aMaybeActor,
const nsACString& aName,
ErrorResult& aRv) override;
mozilla::ipc::IProtocol* AsNativeActor() override { return this; }
mozilla::ipc::IPCResult RecvHistoryCommitIndexAndLength(
const MaybeDiscarded<BrowsingContext>& aContext, const uint32_t& aIndex,
const uint32_t& aLength, const nsID& aChangeID);
mozilla::ipc::IPCResult RecvDispatchLocationChangeEvent(
const MaybeDiscarded<BrowsingContext>& aContext);
mozilla::ipc::IPCResult RecvDispatchBeforeUnloadToSubtree(
const MaybeDiscarded<BrowsingContext>& aStartingAt,
DispatchBeforeUnloadToSubtreeResolver&& aResolver);
mozilla::ipc::IPCResult RecvCanSavePresentation(
const MaybeDiscarded<BrowsingContext>& aTopLevelContext,
Maybe<uint64_t> aDocumentChannelId,
CanSavePresentationResolver&& aResolve);
mozilla::ipc::IPCResult RecvFlushTabState(
const MaybeDiscarded<BrowsingContext>& aContext,
FlushTabStateResolver&& aResolver);
mozilla::ipc::IPCResult RecvDecoderSupportedMimeTypes(
nsTArray<nsCString>&& aSupportedTypes);
mozilla::ipc::IPCResult RecvInitNextGenLocalStorageEnabled(
const bool& aEnabled);
public:
static void DispatchBeforeUnloadToSubtree(
BrowsingContext* aStartingAt,
const DispatchBeforeUnloadToSubtreeResolver& aResolver);
private:
mozilla::ipc::IPCResult RecvFlushFOGData(FlushFOGDataResolver&& aResolver);
mozilla::ipc::IPCResult RecvUpdateMediaCodecsSupported(
RemoteDecodeIn aLocation,
const PDMFactory::MediaCodecsSupported& aSupported);
#ifdef NIGHTLY_BUILD
virtual PContentChild::Result OnMessageReceived(const Message& aMsg) override;
#else
using PContentChild::OnMessageReceived;
#endif
virtual PContentChild::Result OnMessageReceived(const Message& aMsg,
Message*& aReply) override;
nsTArray<mozilla::UniquePtr<AlertObserver>> mAlertObservers;
RefPtr<ConsoleListener> mConsoleListener;
nsTHashSet<nsIObserver*> mIdleObservers;
nsTArray<nsCString> mAvailableDictionaries;
// Temporary storage for a list of available fonts, passed from the
// parent process and used to initialize gfx in the child. Currently used
// only on MacOSX and Linux.
dom::SystemFontList mFontList;
// Temporary storage for look and feel data.
FullLookAndFeel mLookAndFeelData;
// Temporary storage for list of shared-fontlist memory blocks.
nsTArray<base::SharedMemoryHandle> mSharedFontListBlocks;
/**
* An ID unique to the process containing our corresponding
* content parent.
*
* We expect our content parent to set this ID immediately after opening a
* channel to us.
*/
ContentParentId mID;
#if defined(XP_WIN) && defined(ACCESSIBILITY)
/**
* The thread ID of the main thread in the chrome process.
*/
uint32_t mMainChromeTid;
/**
* This is an a11y-specific unique id for the content process that is
* generated by the chrome process.
*/
uint32_t mMsaaID;
#endif // defined(XP_WIN) && defined(ACCESSIBILITY)
AppInfo mAppInfo;
bool mIsForBrowser;
nsCString mRemoteType = NOT_REMOTE_TYPE;
bool mIsAlive;
nsCString mProcessName;
static ContentChild* sSingleton;
class ShutdownCanary;
static StaticAutoPtr<ShutdownCanary> sShutdownCanary;
nsCOMPtr<nsIDomainPolicy> mPolicy;
nsCOMPtr<nsITimer> mForceKillTimer;
RefPtr<ipc::SharedMap> mSharedData;
RefPtr<ChildProfilerController> mProfilerController;
#if defined(XP_MACOSX) && defined(MOZ_SANDBOX)
nsCOMPtr<nsIFile> mProfileDir;
#endif
// Hashtable to keep track of the pending GetFilesHelper objects.
// This GetFilesHelperChild objects are removed when RecvGetFilesResponse is
// received.
nsRefPtrHashtable<nsIDHashKey, GetFilesHelperChild> mGetFilesPendingRequests;
nsClassHashtable<nsUint64HashKey, AnonymousTemporaryFileCallback>
mPendingAnonymousTemporaryFiles;
mozilla::Atomic<bool> mShuttingDown;
#ifdef NIGHTLY_BUILD
// NOTE: This member is atomic because it can be accessed from
// off-main-thread.
mozilla::Atomic<uint32_t> mPendingInputEvents;
#endif
uint32_t mNetworkLinkType = 0;
// See `BrowsingContext::mEpochs` for an explanation of this field.
uint64_t mBrowsingContextFieldEpoch = 0;
hal::ProcessPriority mProcessPriority = hal::PROCESS_PRIORITY_UNKNOWN;
};
inline nsISupports* ToSupports(mozilla::dom::ContentChild* aContentChild) {
return static_cast<nsIDOMProcessChild*>(aContentChild);
}
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_ContentChild_h