mirror of
https://github.com/mozilla/gecko-dev.git
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441 lines
14 KiB
C++
441 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: sw=4 ts=4 et :
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_plugins_PluginModuleParent_h
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#define mozilla_plugins_PluginModuleParent_h
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#include "base/process.h"
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#include "mozilla/FileUtils.h"
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#include "mozilla/HangMonitor.h"
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#include "mozilla/PluginLibrary.h"
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#include "mozilla/plugins/ScopedMethodFactory.h"
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#include "mozilla/plugins/PluginProcessParent.h"
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#include "mozilla/plugins/PPluginModuleParent.h"
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#include "mozilla/plugins/PluginMessageUtils.h"
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#include "mozilla/plugins/PluginTypes.h"
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#include "mozilla/TimeStamp.h"
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#include "npapi.h"
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#include "npfunctions.h"
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#include "nsAutoPtr.h"
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#include "nsDataHashtable.h"
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#include "nsHashKeys.h"
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#include "nsIObserver.h"
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#ifdef MOZ_CRASHREPORTER
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#include "nsExceptionHandler.h"
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#endif
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class nsPluginTag;
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namespace mozilla {
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namespace dom {
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class PCrashReporterParent;
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class CrashReporterParent;
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}
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namespace plugins {
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//-----------------------------------------------------------------------------
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class BrowserStreamParent;
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class PluginInstanceParent;
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#ifdef XP_WIN
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class PluginHangUIParent;
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#endif
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/**
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* PluginModuleParent
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*
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* This class implements the NPP API from the perspective of the rest
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* of Gecko, forwarding NPP calls along to the child process that is
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* actually running the plugin.
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*
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* This class /also/ implements a version of the NPN API, because the
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* child process needs to make these calls back into Gecko proper.
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* This class is responsible for "actually" making those function calls.
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*
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* If a plugin is running, there will always be one PluginModuleParent for it in
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* the chrome process. In addition, any content process using the plugin will
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* have its own PluginModuleParent. The subclasses PluginModuleChromeParent and
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* PluginModuleContentParent implement functionality that is specific to one
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* case or the other.
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*/
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class PluginModuleParent
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: public PPluginModuleParent
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, public PluginLibrary
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#ifdef MOZ_CRASHREPORTER_INJECTOR
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, public CrashReporter::InjectorCrashCallback
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#endif
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{
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protected:
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typedef mozilla::PluginLibrary PluginLibrary;
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typedef mozilla::dom::PCrashReporterParent PCrashReporterParent;
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typedef mozilla::dom::CrashReporterParent CrashReporterParent;
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PPluginInstanceParent*
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AllocPPluginInstanceParent(const nsCString& aMimeType,
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const uint16_t& aMode,
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const InfallibleTArray<nsCString>& aNames,
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const InfallibleTArray<nsCString>& aValues,
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NPError* rv) MOZ_OVERRIDE;
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virtual bool
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DeallocPPluginInstanceParent(PPluginInstanceParent* aActor) MOZ_OVERRIDE;
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public:
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explicit PluginModuleParent(bool aIsChrome);
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virtual ~PluginModuleParent();
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bool IsChrome() const { return mIsChrome; }
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virtual void SetPlugin(nsNPAPIPlugin* plugin) MOZ_OVERRIDE
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{
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mPlugin = plugin;
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}
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virtual void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;
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const NPNetscapeFuncs* GetNetscapeFuncs() {
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return mNPNIface;
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}
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bool OkToCleanup() const {
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return !IsOnCxxStack();
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}
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void ProcessRemoteNativeEventsInInterruptCall();
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nsCString GetHistogramKey() const {
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return mPluginName + mPluginVersion;
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}
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protected:
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virtual mozilla::ipc::RacyInterruptPolicy
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MediateInterruptRace(const Message& parent, const Message& child) MOZ_OVERRIDE
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{
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return MediateRace(parent, child);
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}
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virtual bool
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RecvBackUpXResources(const FileDescriptor& aXSocketFd) MOZ_OVERRIDE;
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virtual bool AnswerProcessSomeEvents() MOZ_OVERRIDE;
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virtual bool
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RecvProcessNativeEventsInInterruptCall() MOZ_OVERRIDE;
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virtual bool
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RecvPluginShowWindow(const uint32_t& aWindowId, const bool& aModal,
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const int32_t& aX, const int32_t& aY,
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const size_t& aWidth, const size_t& aHeight) MOZ_OVERRIDE;
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virtual bool
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RecvPluginHideWindow(const uint32_t& aWindowId) MOZ_OVERRIDE;
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virtual PCrashReporterParent*
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AllocPCrashReporterParent(mozilla::dom::NativeThreadId* id,
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uint32_t* processType) MOZ_OVERRIDE;
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virtual bool
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DeallocPCrashReporterParent(PCrashReporterParent* actor) MOZ_OVERRIDE;
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virtual bool
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RecvSetCursor(const NSCursorInfo& aCursorInfo) MOZ_OVERRIDE;
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virtual bool
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RecvShowCursor(const bool& aShow) MOZ_OVERRIDE;
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virtual bool
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RecvPushCursor(const NSCursorInfo& aCursorInfo) MOZ_OVERRIDE;
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virtual bool
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RecvPopCursor() MOZ_OVERRIDE;
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virtual bool
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RecvNPN_SetException(const nsCString& aMessage) MOZ_OVERRIDE;
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virtual bool
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RecvNPN_ReloadPlugins(const bool& aReloadPages) MOZ_OVERRIDE;
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static PluginInstanceParent* InstCast(NPP instance);
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static BrowserStreamParent* StreamCast(NPP instance, NPStream* s);
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protected:
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virtual void UpdatePluginTimeout() {}
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virtual bool RecvNotifyContentModuleDestroyed() MOZ_OVERRIDE { return true; }
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void SetPluginFuncs(NPPluginFuncs* aFuncs);
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// NPP-like API that Gecko calls are trampolined into. These
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// messages then get forwarded along to the plugin instance,
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// and then eventually the child process.
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static NPError NPP_Destroy(NPP instance, NPSavedData** save);
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static NPError NPP_SetWindow(NPP instance, NPWindow* window);
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static NPError NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream,
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NPBool seekable, uint16_t* stype);
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static NPError NPP_DestroyStream(NPP instance,
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NPStream* stream, NPReason reason);
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static int32_t NPP_WriteReady(NPP instance, NPStream* stream);
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static int32_t NPP_Write(NPP instance, NPStream* stream,
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int32_t offset, int32_t len, void* buffer);
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static void NPP_StreamAsFile(NPP instance,
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NPStream* stream, const char* fname);
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static void NPP_Print(NPP instance, NPPrint* platformPrint);
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static int16_t NPP_HandleEvent(NPP instance, void* event);
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static void NPP_URLNotify(NPP instance, const char* url,
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NPReason reason, void* notifyData);
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static NPError NPP_GetValue(NPP instance,
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NPPVariable variable, void *ret_value);
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static NPError NPP_SetValue(NPP instance, NPNVariable variable,
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void *value);
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static void NPP_URLRedirectNotify(NPP instance, const char* url,
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int32_t status, void* notifyData);
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virtual bool HasRequiredFunctions();
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virtual nsresult AsyncSetWindow(NPP instance, NPWindow* window);
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virtual nsresult GetImageContainer(NPP instance, mozilla::layers::ImageContainer** aContainer);
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virtual nsresult GetImageSize(NPP instance, nsIntSize* aSize);
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virtual bool IsOOP() MOZ_OVERRIDE { return true; }
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virtual nsresult SetBackgroundUnknown(NPP instance) MOZ_OVERRIDE;
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virtual nsresult BeginUpdateBackground(NPP instance,
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const nsIntRect& aRect,
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gfxContext** aCtx) MOZ_OVERRIDE;
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virtual nsresult EndUpdateBackground(NPP instance,
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gfxContext* aCtx,
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const nsIntRect& aRect) MOZ_OVERRIDE;
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#if defined(XP_UNIX) && !defined(XP_MACOSX) && !defined(MOZ_WIDGET_GONK)
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virtual nsresult NP_Initialize(NPNetscapeFuncs* bFuncs, NPPluginFuncs* pFuncs, NPError* error);
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#else
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virtual nsresult NP_Initialize(NPNetscapeFuncs* bFuncs, NPError* error);
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#endif
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virtual nsresult NP_Shutdown(NPError* error);
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virtual nsresult NP_GetMIMEDescription(const char** mimeDesc);
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virtual nsresult NP_GetValue(void *future, NPPVariable aVariable,
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void *aValue, NPError* error);
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#if defined(XP_WIN) || defined(XP_MACOSX)
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virtual nsresult NP_GetEntryPoints(NPPluginFuncs* pFuncs, NPError* error);
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#endif
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virtual nsresult NPP_New(NPMIMEType pluginType, NPP instance,
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uint16_t mode, int16_t argc, char* argn[],
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char* argv[], NPSavedData* saved,
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NPError* error);
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virtual nsresult NPP_ClearSiteData(const char* site, uint64_t flags,
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uint64_t maxAge);
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virtual nsresult NPP_GetSitesWithData(InfallibleTArray<nsCString>& result);
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#if defined(XP_MACOSX)
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virtual nsresult IsRemoteDrawingCoreAnimation(NPP instance, bool *aDrawing);
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virtual nsresult ContentsScaleFactorChanged(NPP instance, double aContentsScaleFactor);
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#endif
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protected:
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void NotifyPluginCrashed();
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bool GetSetting(NPNVariable aVariable);
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void GetSettings(PluginSettings* aSettings);
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bool mIsChrome;
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bool mShutdown;
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bool mClearSiteDataSupported;
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bool mGetSitesWithDataSupported;
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const NPNetscapeFuncs* mNPNIface;
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nsNPAPIPlugin* mPlugin;
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ScopedMethodFactory<PluginModuleParent> mTaskFactory;
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nsString mPluginDumpID;
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nsString mBrowserDumpID;
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nsString mHangID;
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nsRefPtr<nsIObserver> mProfilerObserver;
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TimeDuration mTimeBlocked;
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nsCString mPluginName;
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nsCString mPluginVersion;
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#ifdef MOZ_X11
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// Dup of plugin's X socket, used to scope its resources to this
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// object instead of the plugin process's lifetime
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ScopedClose mPluginXSocketFdDup;
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#endif
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bool
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GetPluginDetails(nsACString& aPluginName, nsACString& aPluginVersion);
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friend class mozilla::dom::CrashReporterParent;
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};
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class PluginModuleContentParent : public PluginModuleParent
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{
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public:
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static PluginLibrary* LoadModule(uint32_t aPluginId);
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static PluginModuleContentParent* Create(mozilla::ipc::Transport* aTransport,
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base::ProcessId aOtherProcess);
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private:
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explicit PluginModuleContentParent();
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#ifdef MOZ_CRASHREPORTER_INJECTOR
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void OnCrash(DWORD processID) MOZ_OVERRIDE {}
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#endif
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static PluginModuleContentParent* sSavedModuleParent;
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};
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class PluginModuleChromeParent
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: public PluginModuleParent
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, public mozilla::HangMonitor::Annotator
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{
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public:
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/**
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* LoadModule
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*
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* This may or may not launch a plugin child process,
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* and may or may not be very expensive.
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*/
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static PluginLibrary* LoadModule(const char* aFilePath, uint32_t aPluginId,
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nsPluginTag* aPluginTag);
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virtual ~PluginModuleChromeParent();
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void TerminateChildProcess(MessageLoop* aMsgLoop);
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#ifdef XP_WIN
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/**
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* Called by Plugin Hang UI to notify that the user has clicked continue.
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* Used for chrome hang annotations.
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*/
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void
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OnHangUIContinue();
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#endif // XP_WIN
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void CachedSettingChanged();
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private:
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virtual void
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EnteredCxxStack() MOZ_OVERRIDE;
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void
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ExitedCxxStack() MOZ_OVERRIDE;
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virtual void
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AnnotateHang(mozilla::HangMonitor::HangAnnotations& aAnnotations) MOZ_OVERRIDE;
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virtual bool ShouldContinueFromReplyTimeout() MOZ_OVERRIDE;
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#ifdef MOZ_CRASHREPORTER
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void ProcessFirstMinidump();
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void WriteExtraDataForMinidump(CrashReporter::AnnotationTable& notes);
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#endif
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virtual PCrashReporterParent*
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AllocPCrashReporterParent(mozilla::dom::NativeThreadId* id,
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uint32_t* processType) MOZ_OVERRIDE;
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virtual bool
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DeallocPCrashReporterParent(PCrashReporterParent* actor) MOZ_OVERRIDE;
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PluginProcessParent* Process() const { return mSubprocess; }
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base::ProcessHandle ChildProcessHandle() { return mSubprocess->GetChildProcessHandle(); }
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#if !defined(XP_UNIX) || defined(XP_MACOSX) || defined(MOZ_WIDGET_GONK)
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virtual nsresult NP_Initialize(NPNetscapeFuncs* bFuncs, NPError* error);
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#endif
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virtual void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;
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// aFilePath is UTF8, not native!
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explicit PluginModuleChromeParent(const char* aFilePath, uint32_t aPluginId);
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CrashReporterParent* CrashReporter();
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void CleanupFromTimeout(const bool aByHangUI);
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void SetChildTimeout(const int32_t aChildTimeout);
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static void TimeoutChanged(const char* aPref, void* aModule);
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virtual void UpdatePluginTimeout() MOZ_OVERRIDE;
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#ifdef MOZ_ENABLE_PROFILER_SPS
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void InitPluginProfiling();
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void ShutdownPluginProfiling();
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#endif
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void RegisterSettingsCallbacks();
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void UnregisterSettingsCallbacks();
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virtual bool RecvNotifyContentModuleDestroyed() MOZ_OVERRIDE;
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static void CachedSettingChanged(const char* aPref, void* aModule);
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PluginProcessParent* mSubprocess;
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uint32_t mPluginId;
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ScopedMethodFactory<PluginModuleChromeParent> mChromeTaskFactory;
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enum HangAnnotationFlags
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{
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kInPluginCall = (1u << 0),
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kHangUIShown = (1u << 1),
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kHangUIContinued = (1u << 2),
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kHangUIDontShow = (1u << 3)
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};
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Atomic<uint32_t> mHangAnnotationFlags;
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#ifdef XP_WIN
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InfallibleTArray<float> mPluginCpuUsageOnHang;
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PluginHangUIParent *mHangUIParent;
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bool mHangUIEnabled;
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bool mIsTimerReset;
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#ifdef MOZ_CRASHREPORTER
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/**
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* This mutex protects the crash reporter when the Plugin Hang UI event
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* handler is executing off main thread. It is intended to protect both
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* the mCrashReporter variable in addition to the CrashReporterParent object
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* that mCrashReporter refers to.
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*/
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mozilla::Mutex mCrashReporterMutex;
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CrashReporterParent* mCrashReporter;
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#endif // MOZ_CRASHREPORTER
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void
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EvaluateHangUIState(const bool aReset);
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/**
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* Launches the Plugin Hang UI.
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*
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* @return true if plugin-hang-ui.exe has been successfully launched.
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* false if the Plugin Hang UI is disabled, already showing,
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* or the launch failed.
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*/
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bool
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LaunchHangUI();
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/**
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* Finishes the Plugin Hang UI and cancels if it is being shown to the user.
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*/
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void
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FinishHangUI();
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#endif
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friend class mozilla::dom::CrashReporterParent;
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#ifdef MOZ_CRASHREPORTER_INJECTOR
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void InitializeInjector();
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void OnCrash(DWORD processID) MOZ_OVERRIDE;
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DWORD mFlashProcess1;
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DWORD mFlashProcess2;
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#endif
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nsCOMPtr<nsIObserver> mOfflineObserver;
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};
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} // namespace plugins
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} // namespace mozilla
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#endif // mozilla_plugins_PluginModuleParent_h
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