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Mirror of roytam1's UXP fork just in case Moonchild and Tobin decide to go after him
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UXP/dom/ipc/ContentParent.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_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;
#ifdef MOZ_ENABLE_PROFILER_SPS
class ProfileGatherer;
#endif
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 PCrashReporterParent*
AllocPCrashReporterParent(const NativeThreadId& tid,
const uint32_t& processType) override;
virtual bool
RecvPCrashReporterConstructor(PCrashReporterParent* actor,
const NativeThreadId& tid,
const uint32_t& processType) 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
DeallocPCrashReporterParent(PCrashReporterParent* crashreporter) 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 RecvAccumulateMixedContentHSTS(const URIParams& aURI,
const bool& aActive,
const bool& aHSTSPriming) 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 PPresentationParent* AllocPPresentationParent() override;
virtual bool DeallocPPresentationParent(PPresentationParent* aActor) override;
virtual bool RecvPPresentationConstructor(PPresentationParent* aActor) override;
virtual PFlyWebPublishedServerParent*
AllocPFlyWebPublishedServerParent(const nsString& name,
const FlyWebPublishOptions& params) override;
virtual bool DeallocPFlyWebPublishedServerParent(PFlyWebPublishedServerParent* 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 RecvProfile(const nsCString& aProfile) override;
virtual bool RecvGetGraphicsDeviceInitData(ContentDeviceData* aOut) override;
void StartProfiler(nsIProfilerStartParams* aParams);
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;
virtual bool RecvAccumulateChildHistogram(
InfallibleTArray<Accumulation>&& aAccumulations) override;
virtual bool RecvAccumulateChildKeyedHistogram(
InfallibleTArray<KeyedAccumulation>&& aAccumulations) 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;
#ifdef MOZ_ENABLE_PROFILER_SPS
RefPtr<mozilla::ProfileGatherer> mGatherer;
#endif
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