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gecko-dev/dom/ipc/ContentParent.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set sw=4 ts=8 et 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/ipc/GeckoChildProcessHost.h"
#include "mozilla/dom/ipc/Blob.h"
#include "mozilla/Attributes.h"
#include "mozilla/FileUtils.h"
#include "mozilla/HalTypes.h"
#include "mozilla/LinkedList.h"
#include "mozilla/StaticPtr.h"
#include "nsDataHashtable.h"
#include "nsFrameMessageManager.h"
#include "nsHashKeys.h"
#include "nsIObserver.h"
#include "nsIThreadInternal.h"
#include "nsIDOMGeoPositionCallback.h"
#include "PermissionMessageUtils.h"
#define CHILD_PROCESS_SHUTDOWN_MESSAGE NS_LITERAL_STRING("child-process-shutdown")
class mozIApplication;
class nsConsoleService;
class nsICycleCollectorLogSink;
class nsIDOMBlob;
class nsIDumpGCAndCCLogsCallback;
class nsIMemoryReporter;
class ParentIdleListener;
namespace mozilla {
namespace ipc {
class OptionalURIParams;
class URIParams;
class TestShellParent;
} // namespace ipc
namespace jsipc {
class JavaScriptParent;
class PJavaScriptParent;
}
namespace layers {
class PCompositorParent;
class PSharedBufferManagerParent;
} // namespace layers
namespace dom {
class Element;
class TabParent;
class PStorageParent;
class ClonedMessageData;
class MemoryReport;
class TabContext;
class PFileDescriptorSetParent;
class ContentParent : public PContentParent
, public nsIContentParent
, public nsIObserver
, public nsIDOMGeoPositionCallback
, public mozilla::LinkedListElement<ContentParent>
{
typedef mozilla::ipc::GeckoChildProcessHost GeckoChildProcessHost;
typedef mozilla::ipc::OptionalURIParams OptionalURIParams;
typedef mozilla::ipc::TestShellParent TestShellParent;
typedef mozilla::ipc::URIParams URIParams;
typedef mozilla::dom::ClonedMessageData ClonedMessageData;
public:
virtual bool IsContentParent() MOZ_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();
static void RunAfterPreallocatedProcessReady(nsIRunnable* aRequest);
static already_AddRefed<ContentParent>
GetNewOrUsed(bool aForBrowserElement = false,
hal::ProcessPriority aPriority =
hal::ProcessPriority::PROCESS_PRIORITY_FOREGROUND,
ContentParent* aOpener = nullptr);
/**
* Create a subprocess suitable for use as a preallocated app process.
*/
static already_AddRefed<ContentParent> PreallocateAppProcess();
static already_AddRefed<ContentParent> RunNuwaProcess();
/**
* 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);
static void GetAll(nsTArray<ContentParent*>& aArray);
static void GetAllEvenIfDead(nsTArray<ContentParent*>& aArray);
virtual bool RecvCreateChildProcess(const IPCTabContext& aContext,
const hal::ProcessPriority& aPriority,
uint64_t* aId,
bool* aIsForApp,
bool* aIsForBrowser) MOZ_OVERRIDE;
virtual bool AnswerBridgeToChildProcess(const uint64_t& id) MOZ_OVERRIDE;
NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(ContentParent, nsIObserver)
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_NSIOBSERVER
NS_DECL_NSIDOMGEOPOSITIONCALLBACK
/**
* MessageManagerCallback methods that we override.
*/
virtual bool DoSendAsyncMessage(JSContext* aCx,
const nsAString& aMessage,
const mozilla::dom::StructuredCloneData& aData,
JS::Handle<JSObject *> aCpows,
nsIPrincipal* aPrincipal) MOZ_OVERRIDE;
virtual bool CheckPermission(const nsAString& aPermission) MOZ_OVERRIDE;
virtual bool CheckManifestURL(const nsAString& aManifestURL) MOZ_OVERRIDE;
virtual bool CheckAppHasPermission(const nsAString& aPermission) MOZ_OVERRIDE;
virtual bool CheckAppHasStatus(unsigned short aStatus) MOZ_OVERRIDE;
/** Notify that a tab is beginning its destruction sequence. */
void NotifyTabDestroying(PBrowserParent* aTab);
/** Notify that a tab was destroyed during normal operation. */
void NotifyTabDestroyed(PBrowserParent* aTab,
bool aNotifiedDestroying);
TestShellParent* CreateTestShell();
bool DestroyTestShell(TestShellParent* aTestShell);
TestShellParent* GetTestShellSingleton();
jsipc::JavaScriptParent *GetCPOWManager();
void ReportChildAlreadyBlocked();
bool RequestRunToCompletion();
bool IsAlive();
virtual bool IsForApp() MOZ_OVERRIDE;
virtual bool IsForBrowser() MOZ_OVERRIDE
{
return mIsForBrowser;
}
#ifdef MOZ_NUWA_PROCESS
bool IsNuwaProcess();
#endif
GeckoChildProcessHost* Process() {
return mSubprocess;
}
int32_t Pid();
ContentParent* Opener() {
return mOpener;
}
bool NeedsPermissionsUpdate() const {
return mSendPermissionUpdates;
}
bool NeedsDataStoreInfos() const {
return mSendDataStoreInfos;
}
/**
* Kill our subprocess and make sure it dies. Should only be used
* in emergency situations since it bypasses the normal shutdown
* process.
*/
void KillHard();
uint64_t ChildID() MOZ_OVERRIDE { return mChildID; }
const nsString& AppManifestURL() const { return mAppManifestURL; }
bool IsPreallocated();
/**
* 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);
virtual void OnChannelError() MOZ_OVERRIDE;
virtual PIndexedDBParent* AllocPIndexedDBParent() MOZ_OVERRIDE;
virtual bool
RecvPIndexedDBConstructor(PIndexedDBParent* aActor) MOZ_OVERRIDE;
virtual PCrashReporterParent*
AllocPCrashReporterParent(const NativeThreadId& tid,
const uint32_t& processType) MOZ_OVERRIDE;
virtual bool
RecvPCrashReporterConstructor(PCrashReporterParent* actor,
const NativeThreadId& tid,
const uint32_t& processType) MOZ_OVERRIDE;
virtual PNeckoParent* AllocPNeckoParent() MOZ_OVERRIDE;
virtual bool RecvPNeckoConstructor(PNeckoParent* aActor) MOZ_OVERRIDE {
return PContentParent::RecvPNeckoConstructor(aActor);
}
virtual PHalParent* AllocPHalParent() MOZ_OVERRIDE;
virtual bool RecvPHalConstructor(PHalParent* aActor) MOZ_OVERRIDE {
return PContentParent::RecvPHalConstructor(aActor);
}
virtual PStorageParent* AllocPStorageParent() MOZ_OVERRIDE;
virtual bool RecvPStorageConstructor(PStorageParent* aActor) MOZ_OVERRIDE {
return PContentParent::RecvPStorageConstructor(aActor);
}
virtual PJavaScriptParent*
AllocPJavaScriptParent() MOZ_OVERRIDE;
virtual bool
RecvPJavaScriptConstructor(PJavaScriptParent* aActor) MOZ_OVERRIDE {
return PContentParent::RecvPJavaScriptConstructor(aActor);
}
virtual bool RecvRecordingDeviceEvents(const nsString& aRecordingStatus,
const nsString& aPageURL,
const bool& aIsAudio,
const bool& aIsVideo) MOZ_OVERRIDE;
bool CycleCollectWithLogs(bool aDumpAllTraces,
nsICycleCollectorLogSink* aSink,
nsIDumpGCAndCCLogsCallback* aCallback);
virtual PBlobParent* SendPBlobConstructor(
PBlobParent* aActor,
const BlobConstructorParams& aParams) MOZ_OVERRIDE;
protected:
void OnChannelConnected(int32_t pid) MOZ_OVERRIDE;
virtual void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;
void OnNuwaForkTimeout();
bool ShouldContinueFromReplyTimeout() MOZ_OVERRIDE;
bool ShouldSandboxContentProcesses();
private:
static nsDataHashtable<nsStringHashKey, ContentParent*> *sAppContentParents;
static nsTArray<ContentParent*>* sNonAppContentParents;
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), this returns false.
static already_AddRefed<ContentParent>
MaybeTakePreallocatedAppProcess(const nsAString& aAppManifestURL,
hal::ProcessPriority aInitialPriority);
static hal::ProcessPriority GetInitialProcessPriority(Element* aFrameElement);
// Hide the raw constructor methods since we don't want client code
// using them.
virtual PBrowserParent* SendPBrowserConstructor(
PBrowserParent* actor,
const IPCTabContext& context,
const uint32_t& chromeFlags,
const uint64_t& aId,
const bool& aIsForApp,
const bool& aIsForBrowser) MOZ_OVERRIDE;
using PContentParent::SendPTestShellConstructor;
// No more than one of !!aApp, aIsForBrowser, and aIsForPreallocated may be
// true.
ContentParent(mozIApplication* aApp,
ContentParent* aOpener,
bool aIsForBrowser,
bool aIsForPreallocated,
hal::ProcessPriority aInitialPriority = hal::PROCESS_PRIORITY_FOREGROUND,
bool aIsNuwaProcess = false);
#ifdef MOZ_NUWA_PROCESS
ContentParent(ContentParent* aTemplate,
const nsAString& aAppManifestURL,
base::ProcessHandle aPid,
const nsTArray<ProtocolFdMapping>& aFds);
#endif
// The common initialization for the constructors.
void InitializeMembers();
// The common initialization logic shared by all constuctors.
void InitInternal(ProcessPriority aPriority,
bool aSetupOffMainThreadCompositing,
bool aSendRegisteredChrome);
virtual ~ContentParent();
void Init();
// If the frame element indicates that the child process is "critical" and
// has a pending system message, this function acquires the CPU wake lock on
// behalf of the child. We'll release the lock when the system message is
// handled or after a timeout, whichever comes first.
void MaybeTakeCPUWakeLock(Element* aFrameElement);
// 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(const nsAString& aAppManifestURL);
// Transform a pre-allocated app process into a browser process. If this
// returns false, the child process has died.
void TransformPreallocatedIntoBrowser();
/**
* Mark this ContentParent as dead for the purposes of Get*().
* This method is idempotent.
*/
void MarkAsDead();
/**
* 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 aCloseWithError is true 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(bool aCloseWithError);
// Perform any steps necesssary to gracefully shtudown the message
// manager and null out mMessageManager.
void ShutDownMessageManager();
PCompositorParent*
AllocPCompositorParent(mozilla::ipc::Transport* aTransport,
base::ProcessId aOtherProcess) MOZ_OVERRIDE;
PImageBridgeParent*
AllocPImageBridgeParent(mozilla::ipc::Transport* aTransport,
base::ProcessId aOtherProcess) MOZ_OVERRIDE;
PSharedBufferManagerParent*
AllocPSharedBufferManagerParent(mozilla::ipc::Transport* aTranport,
base::ProcessId aOtherProcess) MOZ_OVERRIDE;
PBackgroundParent*
AllocPBackgroundParent(Transport* aTransport, ProcessId aOtherProcess)
MOZ_OVERRIDE;
virtual bool RecvGetProcessAttributes(uint64_t* aId,
bool* aIsForApp,
bool* aIsForBrowser) MOZ_OVERRIDE;
virtual bool RecvGetXPCOMProcessAttributes(bool* aIsOffline) MOZ_OVERRIDE;
virtual bool DeallocPJavaScriptParent(mozilla::jsipc::PJavaScriptParent*) MOZ_OVERRIDE;
virtual PBrowserParent* AllocPBrowserParent(const IPCTabContext& aContext,
const uint32_t& aChromeFlags,
const uint64_t& aId,
const bool& aIsForApp,
const bool& aIsForBrowser) MOZ_OVERRIDE;
virtual bool DeallocPBrowserParent(PBrowserParent* frame) MOZ_OVERRIDE;
virtual PDeviceStorageRequestParent*
AllocPDeviceStorageRequestParent(const DeviceStorageParams&) MOZ_OVERRIDE;
virtual bool DeallocPDeviceStorageRequestParent(PDeviceStorageRequestParent*) MOZ_OVERRIDE;
virtual PFileSystemRequestParent*
AllocPFileSystemRequestParent(const FileSystemParams&) MOZ_OVERRIDE;
virtual bool
DeallocPFileSystemRequestParent(PFileSystemRequestParent*) MOZ_OVERRIDE;
virtual PBlobParent* AllocPBlobParent(const BlobConstructorParams& aParams) MOZ_OVERRIDE;
virtual bool DeallocPBlobParent(PBlobParent*) MOZ_OVERRIDE;
virtual bool DeallocPCrashReporterParent(PCrashReporterParent* crashreporter) MOZ_OVERRIDE;
virtual bool RecvGetRandomValues(const uint32_t& length,
InfallibleTArray<uint8_t>* randomValues) MOZ_OVERRIDE;
virtual bool DeallocPHalParent(PHalParent*) MOZ_OVERRIDE;
virtual bool DeallocPIndexedDBParent(PIndexedDBParent* aActor) MOZ_OVERRIDE;
virtual PMemoryReportRequestParent*
AllocPMemoryReportRequestParent(const uint32_t& generation,
const bool &minimizeMemoryUsage,
const nsString &aDMDDumpIdent) MOZ_OVERRIDE;
virtual bool DeallocPMemoryReportRequestParent(PMemoryReportRequestParent* actor) MOZ_OVERRIDE;
virtual PCycleCollectWithLogsParent*
AllocPCycleCollectWithLogsParent(const bool& aDumpAllTraces,
const FileDescriptor& aGCLog,
const FileDescriptor& aCCLog) MOZ_OVERRIDE;
virtual bool
DeallocPCycleCollectWithLogsParent(PCycleCollectWithLogsParent* aActor) MOZ_OVERRIDE;
virtual PTestShellParent* AllocPTestShellParent() MOZ_OVERRIDE;
virtual bool DeallocPTestShellParent(PTestShellParent* shell) MOZ_OVERRIDE;
virtual bool DeallocPNeckoParent(PNeckoParent* necko) MOZ_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 OptionalURIParams& aReferrer,
PBrowserParent* aBrowser) MOZ_OVERRIDE;
virtual bool DeallocPExternalHelperAppParent(PExternalHelperAppParent* aService) MOZ_OVERRIDE;
virtual PSmsParent* AllocPSmsParent() MOZ_OVERRIDE;
virtual bool DeallocPSmsParent(PSmsParent*) MOZ_OVERRIDE;
virtual PTelephonyParent* AllocPTelephonyParent() MOZ_OVERRIDE;
virtual bool DeallocPTelephonyParent(PTelephonyParent*) MOZ_OVERRIDE;
virtual bool DeallocPStorageParent(PStorageParent* aActor) MOZ_OVERRIDE;
virtual PBluetoothParent* AllocPBluetoothParent() MOZ_OVERRIDE;
virtual bool DeallocPBluetoothParent(PBluetoothParent* aActor) MOZ_OVERRIDE;
virtual bool RecvPBluetoothConstructor(PBluetoothParent* aActor) MOZ_OVERRIDE;
virtual PFMRadioParent* AllocPFMRadioParent() MOZ_OVERRIDE;
virtual bool DeallocPFMRadioParent(PFMRadioParent* aActor) MOZ_OVERRIDE;
virtual PAsmJSCacheEntryParent* AllocPAsmJSCacheEntryParent(
const asmjscache::OpenMode& aOpenMode,
const asmjscache::WriteParams& aWriteParams,
const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
virtual bool DeallocPAsmJSCacheEntryParent(
PAsmJSCacheEntryParent* aActor) MOZ_OVERRIDE;
virtual PSpeechSynthesisParent* AllocPSpeechSynthesisParent() MOZ_OVERRIDE;
virtual bool DeallocPSpeechSynthesisParent(PSpeechSynthesisParent* aActor) MOZ_OVERRIDE;
virtual bool RecvPSpeechSynthesisConstructor(PSpeechSynthesisParent* aActor) MOZ_OVERRIDE;
virtual bool RecvReadPrefsArray(InfallibleTArray<PrefSetting>* aPrefs) MOZ_OVERRIDE;
virtual bool RecvReadFontList(InfallibleTArray<FontListEntry>* retValue) MOZ_OVERRIDE;
virtual bool RecvReadPermissions(InfallibleTArray<IPC::Permission>* aPermissions) MOZ_OVERRIDE;
virtual bool RecvSetClipboardText(const nsString& text,
const bool& isPrivateData,
const int32_t& whichClipboard) MOZ_OVERRIDE;
virtual bool RecvGetClipboardText(const int32_t& whichClipboard, nsString* text) MOZ_OVERRIDE;
virtual bool RecvEmptyClipboard(const int32_t& whichClipboard) MOZ_OVERRIDE;
virtual bool RecvClipboardHasText(const int32_t& whichClipboard, bool* hasText) MOZ_OVERRIDE;
virtual bool RecvGetSystemColors(const uint32_t& colorsCount,
InfallibleTArray<uint32_t>* colors) MOZ_OVERRIDE;
virtual bool RecvGetIconForExtension(const nsCString& aFileExt,
const uint32_t& aIconSize,
InfallibleTArray<uint8_t>* bits) MOZ_OVERRIDE;
virtual bool RecvGetShowPasswordSetting(bool* showPassword) MOZ_OVERRIDE;
virtual bool RecvStartVisitedQuery(const URIParams& uri) MOZ_OVERRIDE;
virtual bool RecvVisitURI(const URIParams& uri,
const OptionalURIParams& referrer,
const uint32_t& flags) MOZ_OVERRIDE;
virtual bool RecvSetURITitle(const URIParams& uri,
const nsString& title) MOZ_OVERRIDE;
virtual bool RecvShowAlertNotification(const nsString& aImageUrl, const nsString& aTitle,
const nsString& aText, const bool& aTextClickable,
const nsString& aCookie, const nsString& aName,
const nsString& aBidi, const nsString& aLang,
const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
virtual bool RecvCloseAlert(const nsString& aName,
const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
virtual bool RecvLoadURIExternal(const URIParams& uri) MOZ_OVERRIDE;
virtual bool RecvSyncMessage(const nsString& aMsg,
const ClonedMessageData& aData,
const InfallibleTArray<CpowEntry>& aCpows,
const IPC::Principal& aPrincipal,
InfallibleTArray<nsString>* aRetvals) MOZ_OVERRIDE;
virtual bool AnswerRpcMessage(const nsString& aMsg,
const ClonedMessageData& aData,
const InfallibleTArray<CpowEntry>& aCpows,
const IPC::Principal& aPrincipal,
InfallibleTArray<nsString>* aRetvals) MOZ_OVERRIDE;
virtual bool RecvAsyncMessage(const nsString& aMsg,
const ClonedMessageData& aData,
const InfallibleTArray<CpowEntry>& aCpows,
const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
virtual bool RecvFilePathUpdateNotify(const nsString& aType,
const nsString& aStorageName,
const nsString& aFilePath,
const nsCString& aReason) MOZ_OVERRIDE;
virtual bool RecvAddGeolocationListener(const IPC::Principal& aPrincipal,
const bool& aHighAccuracy) MOZ_OVERRIDE;
virtual bool RecvRemoveGeolocationListener() MOZ_OVERRIDE;
virtual bool RecvSetGeolocationHigherAccuracy(const bool& aEnable) MOZ_OVERRIDE;
virtual bool RecvConsoleMessage(const nsString& aMessage) MOZ_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) MOZ_OVERRIDE;
virtual bool RecvPrivateDocShellsExist(const bool& aExist) MOZ_OVERRIDE;
virtual bool RecvFirstIdle() MOZ_OVERRIDE;
virtual bool RecvAudioChannelGetState(const AudioChannel& aChannel,
const bool& aElementHidden,
const bool& aElementWasHidden,
AudioChannelState* aValue) MOZ_OVERRIDE;
virtual bool RecvAudioChannelRegisterType(const AudioChannel& aChannel,
const bool& aWithVideo) MOZ_OVERRIDE;
virtual bool RecvAudioChannelUnregisterType(const AudioChannel& aChannel,
const bool& aElementHidden,
const bool& aWithVideo) MOZ_OVERRIDE;
virtual bool RecvAudioChannelChangedNotification() MOZ_OVERRIDE;
virtual bool RecvAudioChannelChangeDefVolChannel(const int32_t& aChannel,
const bool& aHidden) MOZ_OVERRIDE;
virtual bool RecvGetSystemMemory(const uint64_t& getterId) MOZ_OVERRIDE;
virtual bool RecvBroadcastVolume(const nsString& aVolumeName) MOZ_OVERRIDE;
virtual bool RecvDataStoreGetStores(
const nsString& aName,
const IPC::Principal& aPrincipal,
InfallibleTArray<DataStoreSetting>* aValue) MOZ_OVERRIDE;
virtual bool RecvSpeakerManagerGetSpeakerStatus(bool* aValue) MOZ_OVERRIDE;
virtual bool RecvSpeakerManagerForceSpeaker(const bool& aEnable) MOZ_OVERRIDE;
virtual bool RecvSystemMessageHandled() MOZ_OVERRIDE;
virtual bool RecvNuwaReady() MOZ_OVERRIDE;
virtual bool RecvAddNewProcess(const uint32_t& aPid,
const InfallibleTArray<ProtocolFdMapping>& aFds) MOZ_OVERRIDE;
virtual bool RecvCreateFakeVolume(const nsString& fsName, const nsString& mountPoint) MOZ_OVERRIDE;
virtual bool RecvSetFakeVolumeState(const nsString& fsName, const int32_t& fsState) MOZ_OVERRIDE;
virtual bool RecvKeywordToURI(const nsCString& aKeyword, OptionalInputStreamParams* aPostData,
OptionalURIParams* aURI) MOZ_OVERRIDE;
virtual void ProcessingError(Result what) MOZ_OVERRIDE;
virtual bool RecvAllocateLayerTreeId(uint64_t* aId) MOZ_OVERRIDE;
virtual bool RecvDeallocateLayerTreeId(const uint64_t& aId) MOZ_OVERRIDE;
virtual bool RecvGetGraphicsFeatureStatus(const int32_t& aFeature,
int32_t* aStatus,
bool* aSuccess) MOZ_OVERRIDE;
virtual bool RecvAddIdleObserver(const uint64_t& observerId,
const uint32_t& aIdleTimeInS) MOZ_OVERRIDE;
virtual bool RecvRemoveIdleObserver(const uint64_t& observerId,
const uint32_t& aIdleTimeInS) MOZ_OVERRIDE;
virtual bool
RecvBackUpXResources(const FileDescriptor& aXSocketFd) MOZ_OVERRIDE;
virtual PFileDescriptorSetParent*
AllocPFileDescriptorSetParent(const mozilla::ipc::FileDescriptor&) MOZ_OVERRIDE;
virtual bool
DeallocPFileDescriptorSetParent(PFileDescriptorSetParent*) MOZ_OVERRIDE;
// 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;
uint64_t mChildID;
int32_t mGeolocationWatchID;
nsString mAppManifestURL;
/**
* 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.
CancelableTask* mForceKillTask;
// 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;
bool mSendPermissionUpdates;
bool mSendDataStoreInfos;
bool mIsForBrowser;
bool mIsNuwaProcess;
// These variables track whether we've called Close(), CloseWithError()
// and KillHard() on our channel.
bool mCalledClose;
bool mCalledCloseWithError;
bool mCalledKillHard;
friend class CrashReporterParent;
nsRefPtr<nsConsoleService> mConsoleService;
nsConsoleService* GetConsoleService();
nsDataHashtable<nsUint64HashKey, nsRefPtr<ParentIdleListener> > 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
};
} // namespace dom
} // namespace mozilla
class ParentIdleListener : public nsIObserver {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
ParentIdleListener(mozilla::dom::ContentParent* aParent, uint64_t aObserver)
: mParent(aParent), mObserver(aObserver)
{}
virtual ~ParentIdleListener() {}
private:
nsRefPtr<mozilla::dom::ContentParent> mParent;
uint64_t mObserver;
};
#endif
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