зеркало из https://github.com/mozilla/gecko-dev.git
621 строка
21 KiB
C++
621 строка
21 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 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 dom_plugins_PluginInstanceChild_h
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#define dom_plugins_PluginInstanceChild_h 1
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#include "mozilla/EventForwards.h"
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#include "mozilla/plugins/PPluginInstanceChild.h"
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#include "mozilla/plugins/PluginScriptableObjectChild.h"
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#include "mozilla/plugins/StreamNotifyChild.h"
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#include "mozilla/plugins/PPluginSurfaceChild.h"
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#include "mozilla/ipc/CrossProcessMutex.h"
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#include "nsRefPtrHashtable.h"
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#if defined(OS_WIN)
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# include "mozilla/gfx/SharedDIBWin.h"
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#elif defined(MOZ_WIDGET_COCOA)
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# include "PluginUtilsOSX.h"
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# include "mozilla/gfx/QuartzSupport.h"
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# include "base/timer.h"
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#endif
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#include "npfunctions.h"
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#include "nsAutoPtr.h"
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#include "nsTArray.h"
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#include "ChildTimer.h"
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#include "nsRect.h"
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#include "nsTHashtable.h"
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#include "mozilla/PaintTracker.h"
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#include "mozilla/gfx/Types.h"
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#include <map>
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#ifdef MOZ_WIDGET_GTK
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# include "gtk2xtbin.h"
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#endif
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class gfxASurface;
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namespace mozilla {
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namespace plugins {
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class PBrowserStreamChild;
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class BrowserStreamChild;
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class StreamNotifyChild;
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class PluginInstanceChild : public PPluginInstanceChild {
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friend class BrowserStreamChild;
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friend class PluginStreamChild;
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friend class StreamNotifyChild;
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friend class PluginScriptableObjectChild;
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friend class PPluginInstanceChild;
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#ifdef OS_WIN
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friend LRESULT CALLBACK PluginWindowProc(HWND hWnd, UINT message,
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WPARAM wParam, LPARAM lParam);
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static LRESULT CALLBACK PluginWindowProcInternal(HWND hWnd, UINT message,
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WPARAM wParam,
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LPARAM lParam);
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#endif
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protected:
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mozilla::ipc::IPCResult AnswerCreateChildPluginWindow(
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NativeWindowHandle* aChildPluginWindow);
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mozilla::ipc::IPCResult RecvCreateChildPopupSurrogate(
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const NativeWindowHandle& aNetscapeWindow);
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mozilla::ipc::IPCResult AnswerNPP_SetWindow(const NPRemoteWindow& window);
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mozilla::ipc::IPCResult AnswerNPP_GetValue_NPPVpluginWantsAllNetworkStreams(
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bool* wantsAllStreams, NPError* rv);
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mozilla::ipc::IPCResult AnswerNPP_GetValue_NPPVpluginScriptableNPObject(
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PPluginScriptableObjectChild** value, NPError* result);
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mozilla::ipc::IPCResult
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AnswerNPP_GetValue_NPPVpluginNativeAccessibleAtkPlugId(nsCString* aPlugId,
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NPError* aResult);
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mozilla::ipc::IPCResult AnswerNPP_SetValue_NPNVprivateModeBool(
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const bool& value, NPError* result);
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mozilla::ipc::IPCResult AnswerNPP_SetValue_NPNVmuteAudioBool(
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const bool& value, NPError* result);
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mozilla::ipc::IPCResult AnswerNPP_SetValue_NPNVCSSZoomFactor(
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const double& value, NPError* result);
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mozilla::ipc::IPCResult AnswerNPP_HandleEvent(const NPRemoteEvent& event,
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int16_t* handled);
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mozilla::ipc::IPCResult AnswerNPP_HandleEvent_Shmem(
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const NPRemoteEvent& event, Shmem&& mem, int16_t* handled, Shmem* rtnmem);
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mozilla::ipc::IPCResult AnswerNPP_HandleEvent_IOSurface(
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const NPRemoteEvent& event, const uint32_t& surface, int16_t* handled);
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// Async rendering
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mozilla::ipc::IPCResult RecvAsyncSetWindow(const gfxSurfaceType& aSurfaceType,
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const NPRemoteWindow& aWindow);
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virtual void DoAsyncSetWindow(const gfxSurfaceType& aSurfaceType,
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const NPRemoteWindow& aWindow, bool aIsAsync);
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PPluginSurfaceChild* AllocPPluginSurfaceChild(
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const WindowsSharedMemoryHandle&, const gfx::IntSize&, const bool&) {
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return new PPluginSurfaceChild();
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}
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bool DeallocPPluginSurfaceChild(PPluginSurfaceChild* s) {
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delete s;
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return true;
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}
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mozilla::ipc::IPCResult AnswerPaint(const NPRemoteEvent& event,
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int16_t* handled) {
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PaintTracker pt;
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if (!AnswerNPP_HandleEvent(event, handled)) {
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return IPC_FAIL_NO_REASON(this);
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}
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return IPC_OK();
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}
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mozilla::ipc::IPCResult RecvWindowPosChanged(const NPRemoteEvent& event);
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mozilla::ipc::IPCResult RecvContentsScaleFactorChanged(
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const double& aContentsScaleFactor);
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mozilla::ipc::IPCResult AnswerNPP_Destroy(NPError* result);
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PPluginScriptableObjectChild* AllocPPluginScriptableObjectChild();
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bool DeallocPPluginScriptableObjectChild(
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PPluginScriptableObjectChild* aObject);
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virtual mozilla::ipc::IPCResult RecvPPluginScriptableObjectConstructor(
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PPluginScriptableObjectChild* aActor) override;
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virtual mozilla::ipc::IPCResult RecvPBrowserStreamConstructor(
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PBrowserStreamChild* aActor, const nsCString& aURL,
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const uint32_t& aLength, const uint32_t& aLastmodified,
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PStreamNotifyChild* aNotifyData, const nsCString& aHeaders) override;
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mozilla::ipc::IPCResult AnswerNPP_NewStream(PBrowserStreamChild* actor,
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const nsCString& mimeType,
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const bool& seekable, NPError* rv,
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uint16_t* stype);
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PBrowserStreamChild* AllocPBrowserStreamChild(const nsCString& url,
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const uint32_t& length,
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const uint32_t& lastmodified,
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PStreamNotifyChild* notifyData,
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const nsCString& headers);
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bool DeallocPBrowserStreamChild(PBrowserStreamChild* stream);
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PStreamNotifyChild* AllocPStreamNotifyChild(
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const nsCString& url, const nsCString& target, const bool& post,
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const nsCString& buffer, const bool& file, NPError* result);
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bool DeallocPStreamNotifyChild(PStreamNotifyChild* notifyData);
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mozilla::ipc::IPCResult AnswerSetPluginFocus();
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mozilla::ipc::IPCResult AnswerUpdateWindow();
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mozilla::ipc::IPCResult RecvNPP_DidComposite();
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public:
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PluginInstanceChild(const NPPluginFuncs* aPluginIface,
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const nsCString& aMimeType,
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const nsTArray<nsCString>& aNames,
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const nsTArray<nsCString>& aValues);
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virtual ~PluginInstanceChild();
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NPError DoNPP_New();
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// Common sync+async implementation of NPP_NewStream
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NPError DoNPP_NewStream(BrowserStreamChild* actor, const nsCString& mimeType,
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const bool& seekable, uint16_t* stype);
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bool Initialize();
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NPP GetNPP() { return &mData; }
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NPError NPN_GetValue(NPNVariable aVariable, void* aValue);
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NPError NPN_SetValue(NPPVariable aVariable, void* aValue);
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PluginScriptableObjectChild* GetActorForNPObject(NPObject* aObject);
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NPError NPN_NewStream(NPMIMEType aMIMEType, const char* aWindow,
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NPStream** aStream);
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void InvalidateRect(NPRect* aInvalidRect);
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#ifdef MOZ_WIDGET_COCOA
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void Invalidate();
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#endif // definied(MOZ_WIDGET_COCOA)
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uint32_t ScheduleTimer(uint32_t interval, bool repeat, TimerFunc func);
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void UnscheduleTimer(uint32_t id);
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int GetQuirks();
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void NPN_URLRedirectResponse(void* notifyData, NPBool allow);
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NPError NPN_InitAsyncSurface(NPSize* size, NPImageFormat format,
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void* initData, NPAsyncSurface* surface);
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NPError NPN_FinalizeAsyncSurface(NPAsyncSurface* surface);
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void NPN_SetCurrentAsyncSurface(NPAsyncSurface* surface, NPRect* changed);
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void DoAsyncRedraw();
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mozilla::ipc::IPCResult RecvHandledWindowedPluginKeyEvent(
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const NativeEventData& aKeyEventData, const bool& aIsConsumed);
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#if defined(XP_WIN)
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NPError DefaultAudioDeviceChanged(NPAudioDeviceChangeDetails& details);
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NPError AudioDeviceStateChanged(NPAudioDeviceStateChanged& aDeviceState);
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#endif
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private:
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friend class PluginModuleChild;
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NPError InternalGetNPObjectForValue(NPNVariable aValue, NPObject** aObject);
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bool IsUsingDirectDrawing();
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mozilla::ipc::IPCResult RecvUpdateBackground(
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const SurfaceDescriptor& aBackground, const nsIntRect& aRect);
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PPluginBackgroundDestroyerChild* AllocPPluginBackgroundDestroyerChild();
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mozilla::ipc::IPCResult RecvPPluginBackgroundDestroyerConstructor(
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PPluginBackgroundDestroyerChild* aActor) override;
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bool DeallocPPluginBackgroundDestroyerChild(
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PPluginBackgroundDestroyerChild* aActor);
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#if defined(OS_WIN)
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static bool RegisterWindowClass();
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bool CreatePluginWindow();
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void DestroyPluginWindow();
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void SizePluginWindow(int width, int height);
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int16_t WinlessHandleEvent(NPEvent& event);
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void CreateWinlessPopupSurrogate();
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void DestroyWinlessPopupSurrogate();
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void InitPopupMenuHook();
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void SetupFlashMsgThrottle();
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void UnhookWinlessFlashThrottle();
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void HookSetWindowLongPtr();
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void InitImm32Hook();
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static inline bool SetWindowLongHookCheck(HWND hWnd, int nIndex,
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LONG_PTR newLong);
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void FlashThrottleMessage(HWND, UINT, WPARAM, LPARAM, bool);
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static LRESULT CALLBACK DummyWindowProc(HWND hWnd, UINT message,
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WPARAM wParam, LPARAM lParam);
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static LRESULT CALLBACK PluginWindowProc(HWND hWnd, UINT message,
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WPARAM wParam, LPARAM lParam);
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static BOOL WINAPI TrackPopupHookProc(HMENU hMenu, UINT uFlags, int x, int y,
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int nReserved, HWND hWnd,
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CONST RECT* prcRect);
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static BOOL CALLBACK EnumThreadWindowsCallback(HWND hWnd, LPARAM aParam);
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static LRESULT CALLBACK WinlessHiddenFlashWndProc(HWND hWnd, UINT message,
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WPARAM wParam,
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LPARAM lParam);
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# ifdef _WIN64
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static LONG_PTR WINAPI SetWindowLongPtrAHook(HWND hWnd, int nIndex,
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LONG_PTR newLong);
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static LONG_PTR WINAPI SetWindowLongPtrWHook(HWND hWnd, int nIndex,
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LONG_PTR newLong);
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# else
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static LONG WINAPI SetWindowLongAHook(HWND hWnd, int nIndex, LONG newLong);
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static LONG WINAPI SetWindowLongWHook(HWND hWnd, int nIndex, LONG newLong);
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# endif
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static HIMC WINAPI ImmGetContextProc(HWND aWND);
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static LONG WINAPI ImmGetCompositionStringProc(HIMC aIMC, DWORD aIndex,
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LPVOID aBuf, DWORD aLen);
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static BOOL WINAPI ImmSetCandidateWindowProc(HIMC hIMC,
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LPCANDIDATEFORM plCandidate);
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static BOOL WINAPI ImmNotifyIME(HIMC aIMC, DWORD aAction, DWORD aIndex,
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DWORD aValue);
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static BOOL WINAPI ImmAssociateContextExProc(HWND hWnd, HIMC aIMC,
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DWORD dwFlags);
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class FlashThrottleMsg : public CancelableRunnable {
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public:
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FlashThrottleMsg(PluginInstanceChild* aInstance, HWND aWnd, UINT aMsg,
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WPARAM aWParam, LPARAM aLParam, bool isWindowed)
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: CancelableRunnable("FlashThrottleMsg"),
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mInstance(aInstance),
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mWnd(aWnd),
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mMsg(aMsg),
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mWParam(aWParam),
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mLParam(aLParam),
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mWindowed(isWindowed) {}
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NS_IMETHOD Run() override;
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nsresult Cancel() override;
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WNDPROC GetProc();
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HWND GetWnd() { return mWnd; }
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UINT GetMsg() { return mMsg; }
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WPARAM GetWParam() { return mWParam; }
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LPARAM GetLParam() { return mLParam; }
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private:
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PluginInstanceChild* mInstance;
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HWND mWnd;
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UINT mMsg;
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WPARAM mWParam;
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LPARAM mLParam;
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bool mWindowed;
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};
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bool ShouldPostKeyMessage(UINT message, WPARAM wParam, LPARAM lParam);
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bool MaybePostKeyMessage(UINT message, WPARAM wParam, LPARAM lParam);
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#endif // #if defined(OS_WIN)
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const NPPluginFuncs* mPluginIface;
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nsCString mMimeType;
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nsTArray<nsCString> mNames;
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nsTArray<nsCString> mValues;
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NPP_t mData;
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NPWindow mWindow;
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#if defined(XP_DARWIN) || defined(XP_WIN)
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double mContentsScaleFactor;
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#endif
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double mCSSZoomFactor;
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uint32_t mPostingKeyEvents;
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uint32_t mPostingKeyEventsOutdated;
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int16_t mDrawingModel;
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NPAsyncSurface* mCurrentDirectSurface;
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// The surface hashtables below serve a few purposes. They let us verify
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// and retain extra information about plugin surfaces, and they let us
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// free shared memory that the plugin might forget to release.
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struct DirectBitmap {
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DirectBitmap(PluginInstanceChild* aOwner, const Shmem& shmem,
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const gfx::IntSize& size, uint32_t stride,
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SurfaceFormat format);
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private:
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~DirectBitmap();
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(DirectBitmap);
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PluginInstanceChild* mOwner;
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Shmem mShmem;
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gfx::SurfaceFormat mFormat;
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gfx::IntSize mSize;
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uint32_t mStride;
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};
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nsRefPtrHashtable<nsPtrHashKey<NPAsyncSurface>, DirectBitmap> mDirectBitmaps;
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#if defined(XP_WIN)
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nsDataHashtable<nsPtrHashKey<NPAsyncSurface>, WindowsHandle> mDxgiSurfaces;
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#endif
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mozilla::Mutex mAsyncInvalidateMutex;
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CancelableRunnable* mAsyncInvalidateTask;
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// Cached scriptable actors to avoid IPC churn
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PluginScriptableObjectChild* mCachedWindowActor;
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PluginScriptableObjectChild* mCachedElementActor;
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#if defined(MOZ_X11) && defined(XP_UNIX) && !defined(XP_MACOSX)
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NPSetWindowCallbackStruct mWsInfo;
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# ifdef MOZ_WIDGET_GTK
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XtClient mXtClient;
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# endif
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#elif defined(OS_WIN)
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HWND mPluginWindowHWND;
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WNDPROC mPluginWndProc;
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HWND mPluginParentHWND;
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int mNestedEventLevelDepth;
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HWND mCachedWinlessPluginHWND;
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HWND mWinlessPopupSurrogateHWND;
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nsIntPoint mPluginSize;
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WNDPROC mWinlessThrottleOldWndProc;
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HWND mWinlessHiddenMsgHWND;
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#endif
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#if defined(OS_WIN)
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nsTArray<FlashThrottleMsg*> mPendingFlashThrottleMsgs;
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#endif
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nsTArray<nsAutoPtr<ChildTimer> > mTimers;
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/**
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* During destruction we enumerate all remaining scriptable objects and
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* invalidate/delete them. Enumeration can re-enter, so maintain a
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* hash separate from PluginModuleChild.mObjectMap.
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*/
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nsAutoPtr<nsTHashtable<DeletingObjectEntry> > mDeletingHash;
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#if defined(MOZ_WIDGET_COCOA)
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private:
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# if defined(__i386__)
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NPEventModel mEventModel;
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# endif
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CGColorSpaceRef mShColorSpace;
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CGContextRef mShContext;
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RefPtr<nsCARenderer> mCARenderer;
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void* mCGLayer;
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// Core Animation drawing model requires a refresh timer.
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uint32_t mCARefreshTimer;
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public:
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const NPCocoaEvent* getCurrentEvent() { return mCurrentEvent; }
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bool CGDraw(CGContextRef ref, nsIntRect aUpdateRect);
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# if defined(__i386__)
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NPEventModel EventModel() { return mEventModel; }
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# endif
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private:
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const NPCocoaEvent* mCurrentEvent;
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#endif
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bool CanPaintOnBackground();
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bool IsVisible() {
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#ifdef XP_MACOSX
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return mWindow.clipRect.top != mWindow.clipRect.bottom &&
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mWindow.clipRect.left != mWindow.clipRect.right;
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#else
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return mWindow.clipRect.top != 0 || mWindow.clipRect.left != 0 ||
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mWindow.clipRect.bottom != 0 || mWindow.clipRect.right != 0;
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#endif
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}
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// ShowPluginFrame - in general does four things:
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// 1) Create mCurrentSurface optimized for rendering to parent process
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// 2) Updated mCurrentSurface to be a complete copy of mBackSurface
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// 3) Draw the invalidated plugin area into mCurrentSurface
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// 4) Send it to parent process.
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bool ShowPluginFrame(void);
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// If we can read back safely from mBackSurface, copy
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// mSurfaceDifferenceRect from mBackSurface to mFrontSurface.
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// @return Whether the back surface could be read.
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bool ReadbackDifferenceRect(const nsIntRect& rect);
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// Post ShowPluginFrame task
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void AsyncShowPluginFrame(void);
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// In the PaintRect functions, aSurface is the size of the full plugin
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// window. Each PaintRect function renders into the subrectangle aRect of
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// aSurface (possibly more if we're working around a Flash bug).
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// Paint plugin content rectangle to surface with bg color filling
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void PaintRectToSurface(const nsIntRect& aRect, gfxASurface* aSurface,
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const gfx::Color& aColor);
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// Render plugin content to surface using
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// white/black image alpha extraction algorithm
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void PaintRectWithAlphaExtraction(const nsIntRect& aRect,
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gfxASurface* aSurface);
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// Call plugin NPAPI function to render plugin content to surface
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// @param - aSurface - should be compatible with current platform plugin
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// rendering
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// @return - FALSE if plugin not painted to surface
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void PaintRectToPlatformSurface(const nsIntRect& aRect,
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gfxASurface* aSurface);
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// Update NPWindow platform attributes and call plugin "setwindow"
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// @param - aForceSetWindow - call setwindow even if platform attributes are
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// the same
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void UpdateWindowAttributes(bool aForceSetWindow = false);
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// Create optimized mCurrentSurface for parent process rendering
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// @return FALSE if optimized surface not created
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bool CreateOptSurface(void);
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// Create mHelperSurface if mCurrentSurface non compatible with plugins
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// @return TRUE if helper surface created successfully, or not needed
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bool MaybeCreatePlatformHelperSurface(void);
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// Make sure that we have surface for rendering
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bool EnsureCurrentBuffer(void);
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// Helper function for delayed InvalidateRect call
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// non null mCurrentInvalidateTask will call this function
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void InvalidateRectDelayed(void);
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// Clear mCurrentSurface/mCurrentSurfaceActor/mHelperSurface
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void ClearCurrentSurface();
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// Swap mCurrentSurface/mBackSurface and their associated actors
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void SwapSurfaces();
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// Clear all surfaces in response to NPP_Destroy
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void ClearAllSurfaces();
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void Destroy();
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void ActorDestroy(ActorDestroyReason aWhy) override;
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// Set as true when SetupLayer called
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// and go with different path in InvalidateRect function
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bool mLayersRendering;
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// Current surface available for rendering
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RefPtr<gfxASurface> mCurrentSurface;
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// Back surface, just keeping reference to
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// surface which is on ParentProcess side
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RefPtr<gfxASurface> mBackSurface;
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#ifdef XP_MACOSX
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// Current IOSurface available for rendering
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// We can't use thebes gfxASurface like other platforms.
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PluginUtilsOSX::nsDoubleBufferCARenderer mDoubleBufferCARenderer;
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#endif
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// (Not to be confused with mBackSurface). This is a recent copy
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// of the opaque pixels under our object frame, if
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// |mIsTransparent|. We ask the plugin render directly onto a
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// copy of the background pixels if available, and fall back on
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// alpha recovery otherwise.
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RefPtr<gfxASurface> mBackground;
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#ifdef XP_WIN
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// These actors mirror mCurrentSurface/mBackSurface
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PPluginSurfaceChild* mCurrentSurfaceActor;
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PPluginSurfaceChild* mBackSurfaceActor;
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#endif
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// Accumulated invalidate rect, while back buffer is not accessible,
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// in plugin coordinates.
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nsIntRect mAccumulatedInvalidRect;
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// Plugin only call SetTransparent
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// and does not remember their transparent state
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// and p->getvalue return always false
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bool mIsTransparent;
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// Surface type optimized of parent process
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gfxSurfaceType mSurfaceType;
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// Keep InvalidateRect task pointer to be able Cancel it on Destroy
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RefPtr<CancelableRunnable> mCurrentInvalidateTask;
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// Keep AsyncSetWindow task pointer to be able to Cancel it on Destroy
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RefPtr<CancelableRunnable> mCurrentAsyncSetWindowTask;
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// True while plugin-child in plugin call
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// Use to prevent plugin paint re-enter
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bool mPendingPluginCall;
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// On some platforms, plugins may not support rendering to a surface with
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// alpha, or not support rendering to an image surface.
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// In those cases we need to draw to a temporary platform surface; we cache
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// that surface here.
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RefPtr<gfxASurface> mHelperSurface;
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// true when plugin does not support painting to ARGB32
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// surface this is false if plugin supports
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// NPPVpluginTransparentAlphaBool (which is not part of
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// NPAPI yet)
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bool mDoAlphaExtraction;
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// true when the plugin has painted at least once. We use this to ensure
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// that we ask a plugin to paint at least once even if it's invisible;
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// some plugin (instances) rely on this in order to work properly.
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bool mHasPainted;
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// Cached rectangle rendered to previous surface(mBackSurface)
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// Used for reading back to current surface and syncing data,
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// in plugin coordinates.
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nsIntRect mSurfaceDifferenceRect;
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// Has this instance been destroyed, either by ActorDestroy or NPP_Destroy?
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bool mDestroyed;
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#ifdef XP_WIN
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// WM_*CHAR messages are never consumed by chrome process's widget.
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// So, if preceding keydown or keyup event is consumed by reserved
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// shortcut key in the chrome process, we shouldn't send the following
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// WM_*CHAR messages to the plugin.
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bool mLastKeyEventConsumed;
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// Store the last IME state by ImmAssociateContextEx. This will reset by
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// WM_KILLFOCUS;
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bool mLastEnableIMEState;
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#endif // #ifdef XP_WIN
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// While IME in the process has composition, this is set to true.
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// Otherwise, false.
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static bool sIsIMEComposing;
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// A counter is incremented by AutoStackHelper to indicate that there is an
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// active plugin call which should be preventing shutdown.
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public:
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class AutoStackHelper {
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public:
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explicit AutoStackHelper(PluginInstanceChild* instance)
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: mInstance(instance) {
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++mInstance->mStackDepth;
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}
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~AutoStackHelper() { --mInstance->mStackDepth; }
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private:
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PluginInstanceChild* const mInstance;
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};
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private:
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int32_t mStackDepth;
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};
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} // namespace plugins
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} // namespace mozilla
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#endif // ifndef dom_plugins_PluginInstanceChild_h
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