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gecko-dev/dom/plugins/ipc/PluginInstanceChild.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: sw=4 ts=4 et :
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Plugin App.
*
* The Initial Developer of the Original Code is
* Chris Jones <jones.chris.g@gmail.com>
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#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"
#if defined(OS_WIN)
#include "mozilla/gfx/SharedDIBWin.h"
#elif defined(OS_MACOSX)
#include "nsCoreAnimationSupport.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 "gfxASurface.h"
namespace mozilla {
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);
virtual bool
AnswerNPP_GetValue_NPPVpluginNeedsXEmbed(bool* needs, NPError* rv);
virtual bool
AnswerNPP_GetValue_NPPVpluginScriptableNPObject(PPluginScriptableObjectChild** value,
NPError* result);
virtual bool
AnswerNPP_GetValue_NPPVpluginNativeAccessibleAtkPlugId(nsCString* aPlugId,
NPError* aResult);
virtual bool
AnswerNPP_SetValue_NPNVprivateModeBool(const bool& value, NPError* result);
virtual bool
AnswerNPP_HandleEvent(const NPRemoteEvent& event, int16_t* handled);
virtual bool
AnswerNPP_HandleEvent_Shmem(const NPRemoteEvent& event, Shmem& mem, int16_t* handled, Shmem* rtnmem);
virtual bool
AnswerNPP_HandleEvent_IOSurface(const NPRemoteEvent& event, const uint32_t& surface, int16_t* handled);
// Async rendering
virtual bool
RecvAsyncSetWindow(const gfxSurfaceType& aSurfaceType,
const NPRemoteWindow& aWindow);
virtual void
DoAsyncSetWindow(const gfxSurfaceType& aSurfaceType,
const NPRemoteWindow& aWindow,
bool aIsAsync);
virtual PPluginSurfaceChild* AllocPPluginSurface(const WindowsSharedMemoryHandle&,
const gfxIntSize&, const bool&) {
return new PPluginSurfaceChild();
}
virtual bool DeallocPPluginSurface(PPluginSurfaceChild* s) {
delete s;
return true;
}
NS_OVERRIDE
virtual bool
AnswerPaint(const NPRemoteEvent& event, int16_t* handled)
{
PaintTracker pt;
return AnswerNPP_HandleEvent(event, handled);
}
NS_OVERRIDE
virtual bool
RecvWindowPosChanged(const NPRemoteEvent& event);
virtual bool
AnswerNPP_Destroy(NPError* result);
virtual PPluginScriptableObjectChild*
AllocPPluginScriptableObject();
virtual bool
DeallocPPluginScriptableObject(PPluginScriptableObjectChild* aObject);
NS_OVERRIDE virtual bool
RecvPPluginScriptableObjectConstructor(PPluginScriptableObjectChild* aActor);
virtual PBrowserStreamChild*
AllocPBrowserStream(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);
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);
virtual bool
DeallocPBrowserStream(PBrowserStreamChild* stream);
virtual PPluginStreamChild*
AllocPPluginStream(const nsCString& mimeType,
const nsCString& target,
NPError* result);
virtual bool
DeallocPPluginStream(PPluginStreamChild* stream);
virtual PStreamNotifyChild*
AllocPStreamNotify(const nsCString& url, const nsCString& target,
const bool& post, const nsCString& buffer,
const bool& file,
NPError* result);
NS_OVERRIDE virtual bool
DeallocPStreamNotify(PStreamNotifyChild* notifyData);
virtual bool
AnswerSetPluginFocus();
virtual bool
AnswerUpdateWindow();
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);
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);
private:
friend class PluginModuleChild;
NPError
InternalGetNPObjectForValue(NPNVariable aValue,
NPObject** aObject);
NS_OVERRIDE
virtual bool RecvUpdateBackground(const SurfaceDescriptor& aBackground,
const nsIntRect& aRect);
NS_OVERRIDE
virtual PPluginBackgroundDestroyerChild*
AllocPPluginBackgroundDestroyer();
NS_OVERRIDE
virtual bool
RecvPPluginBackgroundDestroyerConstructor(PPluginBackgroundDestroyerChild* aActor);
NS_OVERRIDE
virtual bool
DeallocPPluginBackgroundDestroyer(PPluginBackgroundDestroyerChild* aActor);
#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 PRBool 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, nsnull, nsnull),
mWnd(aWnd),
mMsg(aMsg),
mWParam(aWParam),
mLParam(aLParam),
mWindowed(isWindowed)
{}
NS_OVERRIDE void Run();
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;
// Cached scriptable actors to avoid IPC churn
PluginScriptableObjectChild* mCachedWindowActor;
PluginScriptableObjectChild* mCachedElementActor;
#if defined(MOZ_X11) && defined(XP_UNIX) && !defined(XP_MACOSX)
NPSetWindowCallbackStruct mWsInfo;
#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 {
PRUint16 doublePass;
HDC hdc;
HBITMAP bmp;
} mAlphaExtract;
#endif // defined(OS_WIN)
#if defined(OS_MACOSX)
private:
#if defined(__i386__)
NPEventModel mEventModel;
#endif
CGColorSpaceRef mShColorSpace;
CGContextRef mShContext;
int16_t mDrawingModel;
nsCARenderer mCARenderer;
public:
const NPCocoaEvent* getCurrentEvent() {
return mCurrentEvent;
}
#if defined(__i386__)
NPEventModel EventModel() { return mEventModel; }
#endif
private:
const NPCocoaEvent *mCurrentEvent;
#endif
bool CanPaintOnBackground();
bool IsVisible() {
return mWindow.clipRect.top != 0 ||
mWindow.clipRect.left != 0 ||
mWindow.clipRect.bottom != 0 ||
mWindow.clipRect.right != 0;
}
// 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;
// (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 for maemo platform, and 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;
#if (MOZ_PLATFORM_MAEMO == 5) || (MOZ_PLATFORM_MAEMO == 6)
// Maemo5 Flash does not remember WindowlessLocal state
// we should listen for NPP values negotiation and remember it
PRPackedBool mMaemoImageRendering;
#endif
};
} // namespace plugins
} // namespace mozilla
#endif // ifndef dom_plugins_PluginInstanceChild_h
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