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gecko/dom/plugins/ipc/PluginInstanceChild.h
Emilio Pozuelo Monfort 3a0b343ee2 Bug 624422 - Clean up MOZ_WIDGET_GTK usages. r=karlt 
Based on a patch from Mike Hommey.
2014-05-28 04:23:00 -04:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: sw=4 ts=4 et :
* 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 dom_plugins_PluginInstanceChild_h
#define dom_plugins_PluginInstanceChild_h 1
#include "mozilla/plugins/PPluginInstanceChild.h"
#include "mozilla/plugins/PluginScriptableObjectChild.h"
#include "mozilla/plugins/StreamNotifyChild.h"
#include "mozilla/plugins/PPluginSurfaceChild.h"
#include "mozilla/ipc/CrossProcessMutex.h"
#include "nsClassHashtable.h"
#if defined(OS_WIN)
#include "mozilla/gfx/SharedDIBWin.h"
#elif defined(MOZ_WIDGET_COCOA)
#include "PluginUtilsOSX.h"
#include "mozilla/gfx/QuartzSupport.h"
#include "base/timer.h"
#endif
#include "npfunctions.h"
#include "nsAutoPtr.h"
#include "nsTArray.h"
#include "ChildAsyncCall.h"
#include "ChildTimer.h"
#include "nsRect.h"
#include "nsTHashtable.h"
#include "mozilla/PaintTracker.h"
#include <map>
#ifdef MOZ_WIDGET_GTK
#include "gtk2xtbin.h"
#endif
class gfxASurface;
namespace mozilla {
namespace layers {
struct RemoteImageData;
}
namespace plugins {
class PBrowserStreamChild;
class BrowserStreamChild;
class StreamNotifyChild;
class PluginInstanceChild : public PPluginInstanceChild
{
friend class BrowserStreamChild;
friend class PluginStreamChild;
friend class StreamNotifyChild;
#ifdef OS_WIN
friend LRESULT CALLBACK PluginWindowProc(HWND hWnd,
UINT message,
WPARAM wParam,
LPARAM lParam);
static LRESULT CALLBACK PluginWindowProcInternal(HWND hWnd,
UINT message,
WPARAM wParam,
LPARAM lParam);
#endif
protected:
virtual bool AnswerNPP_SetWindow(const NPRemoteWindow& window) MOZ_OVERRIDE;
virtual bool
AnswerNPP_GetValue_NPPVpluginWantsAllNetworkStreams(bool* wantsAllStreams, NPError* rv) MOZ_OVERRIDE;
virtual bool
AnswerNPP_GetValue_NPPVpluginNeedsXEmbed(bool* needs, NPError* rv) MOZ_OVERRIDE;
virtual bool
AnswerNPP_GetValue_NPPVpluginScriptableNPObject(PPluginScriptableObjectChild** value,
NPError* result) MOZ_OVERRIDE;
virtual bool
AnswerNPP_GetValue_NPPVpluginNativeAccessibleAtkPlugId(nsCString* aPlugId,
NPError* aResult) MOZ_OVERRIDE;
virtual bool
AnswerNPP_SetValue_NPNVprivateModeBool(const bool& value, NPError* result) MOZ_OVERRIDE;
virtual bool
AnswerNPP_HandleEvent(const NPRemoteEvent& event, int16_t* handled) MOZ_OVERRIDE;
virtual bool
AnswerNPP_HandleEvent_Shmem(const NPRemoteEvent& event,
Shmem& mem,
int16_t* handled,
Shmem* rtnmem) MOZ_OVERRIDE;
virtual bool
AnswerNPP_HandleEvent_IOSurface(const NPRemoteEvent& event,
const uint32_t& surface,
int16_t* handled) MOZ_OVERRIDE;
// Async rendering
virtual bool
RecvAsyncSetWindow(const gfxSurfaceType& aSurfaceType,
const NPRemoteWindow& aWindow) MOZ_OVERRIDE;
virtual void
DoAsyncSetWindow(const gfxSurfaceType& aSurfaceType,
const NPRemoteWindow& aWindow,
bool aIsAsync);
virtual PPluginSurfaceChild*
AllocPPluginSurfaceChild(const WindowsSharedMemoryHandle&,
const gfxIntSize&, const bool&) MOZ_OVERRIDE {
return new PPluginSurfaceChild();
}
virtual bool DeallocPPluginSurfaceChild(PPluginSurfaceChild* s) MOZ_OVERRIDE {
delete s;
return true;
}
virtual bool
AnswerPaint(const NPRemoteEvent& event, int16_t* handled) MOZ_OVERRIDE
{
PaintTracker pt;
return AnswerNPP_HandleEvent(event, handled);
}
virtual bool
RecvWindowPosChanged(const NPRemoteEvent& event) MOZ_OVERRIDE;
virtual bool
RecvContentsScaleFactorChanged(const double& aContentsScaleFactor) MOZ_OVERRIDE;
virtual bool
AnswerNPP_Destroy(NPError* result) MOZ_OVERRIDE;
virtual PPluginScriptableObjectChild*
AllocPPluginScriptableObjectChild() MOZ_OVERRIDE;
virtual bool
DeallocPPluginScriptableObjectChild(PPluginScriptableObjectChild* aObject) MOZ_OVERRIDE;
virtual bool
RecvPPluginScriptableObjectConstructor(PPluginScriptableObjectChild* aActor) MOZ_OVERRIDE;
virtual PBrowserStreamChild*
AllocPBrowserStreamChild(const nsCString& url,
const uint32_t& length,
const uint32_t& lastmodified,
PStreamNotifyChild* notifyData,
const nsCString& headers,
const nsCString& mimeType,
const bool& seekable,
NPError* rv,
uint16_t *stype) MOZ_OVERRIDE;
virtual bool
AnswerPBrowserStreamConstructor(
PBrowserStreamChild* aActor,
const nsCString& url,
const uint32_t& length,
const uint32_t& lastmodified,
PStreamNotifyChild* notifyData,
const nsCString& headers,
const nsCString& mimeType,
const bool& seekable,
NPError* rv,
uint16_t* stype) MOZ_OVERRIDE;
virtual bool
DeallocPBrowserStreamChild(PBrowserStreamChild* stream) MOZ_OVERRIDE;
virtual PPluginStreamChild*
AllocPPluginStreamChild(const nsCString& mimeType,
const nsCString& target,
NPError* result) MOZ_OVERRIDE;
virtual bool
DeallocPPluginStreamChild(PPluginStreamChild* stream) MOZ_OVERRIDE;
virtual PStreamNotifyChild*
AllocPStreamNotifyChild(const nsCString& url, const nsCString& target,
const bool& post, const nsCString& buffer,
const bool& file,
NPError* result) MOZ_OVERRIDE;
virtual bool
DeallocPStreamNotifyChild(PStreamNotifyChild* notifyData) MOZ_OVERRIDE;
virtual bool
AnswerSetPluginFocus() MOZ_OVERRIDE;
virtual bool
AnswerUpdateWindow() MOZ_OVERRIDE;
virtual bool
RecvNPP_DidComposite() MOZ_OVERRIDE;
#if defined(MOZ_X11) && defined(XP_UNIX) && !defined(XP_MACOSX)
bool CreateWindow(const NPRemoteWindow& aWindow);
void DeleteWindow();
#endif
public:
PluginInstanceChild(const NPPluginFuncs* aPluginIface);
virtual ~PluginInstanceChild();
bool Initialize();
NPP GetNPP()
{
return &mData;
}
NPError
NPN_GetValue(NPNVariable aVariable, void* aValue);
NPError
NPN_SetValue(NPPVariable aVariable, void* aValue);
PluginScriptableObjectChild*
GetActorForNPObject(NPObject* aObject);
NPError
NPN_NewStream(NPMIMEType aMIMEType, const char* aWindow,
NPStream** aStream);
void InvalidateRect(NPRect* aInvalidRect);
#ifdef MOZ_WIDGET_COCOA
void Invalidate();
#endif // definied(MOZ_WIDGET_COCOA)
uint32_t ScheduleTimer(uint32_t interval, bool repeat, TimerFunc func);
void UnscheduleTimer(uint32_t id);
void AsyncCall(PluginThreadCallback aFunc, void* aUserData);
int GetQuirks();
void NPN_URLRedirectResponse(void* notifyData, NPBool allow);
NPError NPN_InitAsyncSurface(NPSize *size, NPImageFormat format,
void *initData, NPAsyncSurface *surface);
NPError NPN_FinalizeAsyncSurface(NPAsyncSurface *surface);
void NPN_SetCurrentAsyncSurface(NPAsyncSurface *surface, NPRect *changed);
void DoAsyncRedraw();
private:
friend class PluginModuleChild;
NPError
InternalGetNPObjectForValue(NPNVariable aValue,
NPObject** aObject);
bool IsAsyncDrawing();
NPError DeallocateAsyncBitmapSurface(NPAsyncSurface *aSurface);
virtual bool RecvUpdateBackground(const SurfaceDescriptor& aBackground,
const nsIntRect& aRect) MOZ_OVERRIDE;
virtual PPluginBackgroundDestroyerChild*
AllocPPluginBackgroundDestroyerChild() MOZ_OVERRIDE;
virtual bool
RecvPPluginBackgroundDestroyerConstructor(PPluginBackgroundDestroyerChild* aActor) MOZ_OVERRIDE;
virtual bool
DeallocPPluginBackgroundDestroyerChild(PPluginBackgroundDestroyerChild* aActor) MOZ_OVERRIDE;
#if defined(OS_WIN)
static bool RegisterWindowClass();
bool CreatePluginWindow();
void DestroyPluginWindow();
void ReparentPluginWindow(HWND hWndParent);
void SizePluginWindow(int width, int height);
int16_t WinlessHandleEvent(NPEvent& event);
void CreateWinlessPopupSurrogate();
void DestroyWinlessPopupSurrogate();
void InitPopupMenuHook();
void SetupFlashMsgThrottle();
void UnhookWinlessFlashThrottle();
void HookSetWindowLongPtr();
static inline bool SetWindowLongHookCheck(HWND hWnd,
int nIndex,
LONG_PTR newLong);
void FlashThrottleMessage(HWND, UINT, WPARAM, LPARAM, bool);
static LRESULT CALLBACK DummyWindowProc(HWND hWnd,
UINT message,
WPARAM wParam,
LPARAM lParam);
static LRESULT CALLBACK PluginWindowProc(HWND hWnd,
UINT message,
WPARAM wParam,
LPARAM lParam);
static BOOL WINAPI TrackPopupHookProc(HMENU hMenu,
UINT uFlags,
int x,
int y,
int nReserved,
HWND hWnd,
CONST RECT *prcRect);
static BOOL CALLBACK EnumThreadWindowsCallback(HWND hWnd,
LPARAM aParam);
static LRESULT CALLBACK WinlessHiddenFlashWndProc(HWND hWnd,
UINT message,
WPARAM wParam,
LPARAM lParam);
#ifdef _WIN64
static LONG_PTR WINAPI SetWindowLongPtrAHook(HWND hWnd,
int nIndex,
LONG_PTR newLong);
static LONG_PTR WINAPI SetWindowLongPtrWHook(HWND hWnd,
int nIndex,
LONG_PTR newLong);
#else
static LONG WINAPI SetWindowLongAHook(HWND hWnd,
int nIndex,
LONG newLong);
static LONG WINAPI SetWindowLongWHook(HWND hWnd,
int nIndex,
LONG newLong);
#endif
class FlashThrottleAsyncMsg : public ChildAsyncCall
{
public:
FlashThrottleAsyncMsg();
FlashThrottleAsyncMsg(PluginInstanceChild* aInst,
HWND aWnd, UINT aMsg,
WPARAM aWParam, LPARAM aLParam,
bool isWindowed)
: ChildAsyncCall(aInst, nullptr, nullptr),
mWnd(aWnd),
mMsg(aMsg),
mWParam(aWParam),
mLParam(aLParam),
mWindowed(isWindowed)
{}
void Run() MOZ_OVERRIDE;
WNDPROC GetProc();
HWND GetWnd() { return mWnd; }
UINT GetMsg() { return mMsg; }
WPARAM GetWParam() { return mWParam; }
LPARAM GetLParam() { return mLParam; }
private:
HWND mWnd;
UINT mMsg;
WPARAM mWParam;
LPARAM mLParam;
bool mWindowed;
};
#endif
const NPPluginFuncs* mPluginIface;
NPP_t mData;
NPWindow mWindow;
#if defined(XP_MACOSX)
double mContentsScaleFactor;
#endif
int16_t mDrawingModel;
NPAsyncSurface* mCurrentAsyncSurface;
struct AsyncBitmapData {
void *mRemotePtr;
Shmem mShmem;
};
static PLDHashOperator DeleteSurface(NPAsyncSurface* surf, nsAutoPtr<AsyncBitmapData> &data, void* userArg);
nsClassHashtable<nsPtrHashKey<NPAsyncSurface>, AsyncBitmapData> mAsyncBitmaps;
Shmem mRemoteImageDataShmem;
mozilla::layers::RemoteImageData *mRemoteImageData;
nsAutoPtr<CrossProcessMutex> mRemoteImageDataMutex;
mozilla::Mutex mAsyncInvalidateMutex;
CancelableTask *mAsyncInvalidateTask;
// Cached scriptable actors to avoid IPC churn
PluginScriptableObjectChild* mCachedWindowActor;
PluginScriptableObjectChild* mCachedElementActor;
#if defined(MOZ_X11) && defined(XP_UNIX) && !defined(XP_MACOSX)
NPSetWindowCallbackStruct mWsInfo;
#ifdef MOZ_WIDGET_GTK
bool mXEmbed;
XtClient mXtClient;
#endif
#elif defined(OS_WIN)
HWND mPluginWindowHWND;
WNDPROC mPluginWndProc;
HWND mPluginParentHWND;
int mNestedEventLevelDepth;
HWND mCachedWinlessPluginHWND;
HWND mWinlessPopupSurrogateHWND;
nsIntPoint mPluginSize;
WNDPROC mWinlessThrottleOldWndProc;
HWND mWinlessHiddenMsgHWND;
#endif
friend class ChildAsyncCall;
Mutex mAsyncCallMutex;
nsTArray<ChildAsyncCall*> mPendingAsyncCalls;
nsTArray<nsAutoPtr<ChildTimer> > mTimers;
/**
* During destruction we enumerate all remaining scriptable objects and
* invalidate/delete them. Enumeration can re-enter, so maintain a
* hash separate from PluginModuleChild.mObjectMap.
*/
nsAutoPtr< nsTHashtable<DeletingObjectEntry> > mDeletingHash;
#if defined(OS_WIN)
private:
// Shared dib rendering management for windowless plugins.
bool SharedSurfaceSetWindow(const NPRemoteWindow& aWindow);
int16_t SharedSurfacePaint(NPEvent& evcopy);
void SharedSurfaceRelease();
bool AlphaExtractCacheSetup();
void AlphaExtractCacheRelease();
void UpdatePaintClipRect(RECT* aRect);
private:
enum {
RENDER_NATIVE,
RENDER_BACK_ONE,
RENDER_BACK_TWO
};
gfx::SharedDIBWin mSharedSurfaceDib;
struct {
uint16_t doublePass;
HDC hdc;
HBITMAP bmp;
} mAlphaExtract;
#endif // defined(OS_WIN)
#if defined(MOZ_WIDGET_COCOA)
private:
#if defined(__i386__)
NPEventModel mEventModel;
#endif
CGColorSpaceRef mShColorSpace;
CGContextRef mShContext;
mozilla::RefPtr<nsCARenderer> mCARenderer;
void *mCGLayer;
// Core Animation drawing model requires a refresh timer.
uint32_t mCARefreshTimer;
public:
const NPCocoaEvent* getCurrentEvent() {
return mCurrentEvent;
}
bool CGDraw(CGContextRef ref, nsIntRect aUpdateRect);
#if defined(__i386__)
NPEventModel EventModel() { return mEventModel; }
#endif
private:
const NPCocoaEvent *mCurrentEvent;
#endif
bool CanPaintOnBackground();
bool IsVisible() {
#ifdef XP_MACOSX
return mWindow.clipRect.top != mWindow.clipRect.bottom &&
mWindow.clipRect.left != mWindow.clipRect.right;
#else
return mWindow.clipRect.top != 0 ||
mWindow.clipRect.left != 0 ||
mWindow.clipRect.bottom != 0 ||
mWindow.clipRect.right != 0;
#endif
}
// ShowPluginFrame - in general does four things:
// 1) Create mCurrentSurface optimized for rendering to parent process
// 2) Updated mCurrentSurface to be a complete copy of mBackSurface
// 3) Draw the invalidated plugin area into mCurrentSurface
// 4) Send it to parent process.
bool ShowPluginFrame(void);
// If we can read back safely from mBackSurface, copy
// mSurfaceDifferenceRect from mBackSurface to mFrontSurface.
// @return Whether the back surface could be read.
bool ReadbackDifferenceRect(const nsIntRect& rect);
// Post ShowPluginFrame task
void AsyncShowPluginFrame(void);
// In the PaintRect functions, aSurface is the size of the full plugin
// window. Each PaintRect function renders into the subrectangle aRect of
// aSurface (possibly more if we're working around a Flash bug).
// Paint plugin content rectangle to surface with bg color filling
void PaintRectToSurface(const nsIntRect& aRect,
gfxASurface* aSurface,
const gfxRGBA& aColor);
// Render plugin content to surface using
// white/black image alpha extraction algorithm
void PaintRectWithAlphaExtraction(const nsIntRect& aRect,
gfxASurface* aSurface);
// Call plugin NPAPI function to render plugin content to surface
// @param - aSurface - should be compatible with current platform plugin rendering
// @return - FALSE if plugin not painted to surface
void PaintRectToPlatformSurface(const nsIntRect& aRect,
gfxASurface* aSurface);
// Update NPWindow platform attributes and call plugin "setwindow"
// @param - aForceSetWindow - call setwindow even if platform attributes are the same
void UpdateWindowAttributes(bool aForceSetWindow = false);
// Create optimized mCurrentSurface for parent process rendering
// @return FALSE if optimized surface not created
bool CreateOptSurface(void);
// Create mHelperSurface if mCurrentSurface non compatible with plugins
// @return TRUE if helper surface created successfully, or not needed
bool MaybeCreatePlatformHelperSurface(void);
// Make sure that we have surface for rendering
bool EnsureCurrentBuffer(void);
// Helper function for delayed InvalidateRect call
// non null mCurrentInvalidateTask will call this function
void InvalidateRectDelayed(void);
// Clear mCurrentSurface/mCurrentSurfaceActor/mHelperSurface
void ClearCurrentSurface();
// Swap mCurrentSurface/mBackSurface and their associated actors
void SwapSurfaces();
// Clear all surfaces in response to NPP_Destroy
void ClearAllSurfaces();
// Set as true when SetupLayer called
// and go with different path in InvalidateRect function
bool mLayersRendering;
// Current surface available for rendering
nsRefPtr<gfxASurface> mCurrentSurface;
// Back surface, just keeping reference to
// surface which is on ParentProcess side
nsRefPtr<gfxASurface> mBackSurface;
#ifdef XP_MACOSX
// Current IOSurface available for rendering
// We can't use thebes gfxASurface like other platforms.
PluginUtilsOSX::nsDoubleBufferCARenderer mDoubleBufferCARenderer;
#endif
// (Not to be confused with mBackSurface). This is a recent copy
// of the opaque pixels under our object frame, if
// |mIsTransparent|. We ask the plugin render directly onto a
// copy of the background pixels if available, and fall back on
// alpha recovery otherwise.
nsRefPtr<gfxASurface> mBackground;
#ifdef XP_WIN
// These actors mirror mCurrentSurface/mBackSurface
PPluginSurfaceChild* mCurrentSurfaceActor;
PPluginSurfaceChild* mBackSurfaceActor;
#endif
// Accumulated invalidate rect, while back buffer is not accessible,
// in plugin coordinates.
nsIntRect mAccumulatedInvalidRect;
// Plugin only call SetTransparent
// and does not remember their transparent state
// and p->getvalue return always false
bool mIsTransparent;
// Surface type optimized of parent process
gfxSurfaceType mSurfaceType;
// Keep InvalidateRect task pointer to be able Cancel it on Destroy
CancelableTask *mCurrentInvalidateTask;
// Keep AsyncSetWindow task pointer to be able to Cancel it on Destroy
CancelableTask *mCurrentAsyncSetWindowTask;
// True while plugin-child in plugin call
// Use to prevent plugin paint re-enter
bool mPendingPluginCall;
// On some platforms, plugins may not support rendering to a surface with
// alpha, or not support rendering to an image surface.
// In those cases we need to draw to a temporary platform surface; we cache
// that surface here.
nsRefPtr<gfxASurface> mHelperSurface;
// true when plugin does not support painting to ARGB32
// surface this is false if plugin supports
// NPPVpluginTransparentAlphaBool (which is not part of
// NPAPI yet)
bool mDoAlphaExtraction;
// true when the plugin has painted at least once. We use this to ensure
// that we ask a plugin to paint at least once even if it's invisible;
// some plugin (instances) rely on this in order to work properly.
bool mHasPainted;
// Cached rectangle rendered to previous surface(mBackSurface)
// Used for reading back to current surface and syncing data,
// in plugin coordinates.
nsIntRect mSurfaceDifferenceRect;
};
} // namespace plugins
} // namespace mozilla
#endif // ifndef dom_plugins_PluginInstanceChild_h
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