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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
// vim:set ts=2 sts=2 sw=2 et cin:
/* 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_PluginUtilsOSX_h
#define dom_plugins_PluginUtilsOSX_h 1
#include "npapi.h"
#include "mozilla/gfx/QuartzSupport.h"
#include "nsRect.h"
namespace mozilla {
namespace plugins {
namespace PluginUtilsOSX {
// Need to call back into the browser's message loop to process event.
typedef void (*RemoteProcessEvents) (void*);
NPError ShowCocoaContextMenu(void* aMenu, int aX, int aY, void* pluginModule, RemoteProcessEvents remoteEvent);
void InvokeNativeEventLoop();
// Need to call back and send a cocoa draw event to the plugin.
typedef void (*DrawPluginFunc) (CGContextRef, void*, nsIntRect aUpdateRect);
void* GetCGLayer(DrawPluginFunc aFunc, void* aPluginInstance, double aContentsScaleFactor);
void ReleaseCGLayer(void* cgLayer);
void Repaint(void* cgLayer, nsIntRect aRect);
bool SetProcessName(const char* aProcessName);
/*
* Provides a wrapper around nsCARenderer to manage double buffering
* without having to unbind nsCARenderer on every surface swaps.
*
* The double buffer renderer begins with no initialize surfaces.
* The buffers can be initialized and cleared individually.
* Swapping still occurs regardless if the buffers are initialized.
*/
class nsDoubleBufferCARenderer {
public:
nsDoubleBufferCARenderer() : mCALayer(nullptr), mContentsScaleFactor(1.0) {}
// Returns width in "display pixels". A "display pixel" is the smallest
// fully addressable part of a display. But in HiDPI modes each "display
// pixel" corresponds to more than one device pixel. Multiply display pixels
// by mContentsScaleFactor to get device pixels.
size_t GetFrontSurfaceWidth();
// Returns height in "display pixels". Multiply by
// mContentsScaleFactor to get device pixels.
size_t GetFrontSurfaceHeight();
double GetFrontSurfaceContentsScaleFactor();
// Returns width in "display pixels". Multiply by
// mContentsScaleFactor to get device pixels.
size_t GetBackSurfaceWidth();
// Returns height in "display pixels". Multiply by
// mContentsScaleFactor to get device pixels.
size_t GetBackSurfaceHeight();
double GetBackSurfaceContentsScaleFactor();
IOSurfaceID GetFrontSurfaceID();
bool HasBackSurface();
bool HasFrontSurface();
bool HasCALayer();
void SetCALayer(void *aCALayer);
// aWidth and aHeight are in "display pixels". Multiply by
// aContentsScaleFactor to get device pixels.
bool InitFrontSurface(size_t aWidth, size_t aHeight,
double aContentsScaleFactor,
AllowOfflineRendererEnum aAllowOfflineRenderer);
void Render();
void SwapSurfaces();
void ClearFrontSurface();
void ClearBackSurface();
double GetContentsScaleFactor() { return mContentsScaleFactor; }
private:
void *mCALayer;
RefPtr<nsCARenderer> mCARenderer;
RefPtr<MacIOSurface> mFrontSurface;
RefPtr<MacIOSurface> mBackSurface;
double mContentsScaleFactor;
};
} // namespace PluginUtilsOSX
} // namespace plugins
} // namespace mozilla
#endif //dom_plugins_PluginUtilsOSX_h
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