michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: // vim:set ts=2 sts=2 sw=2 et cin:
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef dom_plugins_PluginUtilsOSX_h
michael@0: #define dom_plugins_PluginUtilsOSX_h 1
michael@0: 
michael@0: #include "npapi.h"
michael@0: #include "mozilla/gfx/QuartzSupport.h"
michael@0: 
michael@0: struct nsIntRect;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace plugins {
michael@0: namespace PluginUtilsOSX {
michael@0: 
michael@0: // Need to call back into the browser's message loop to process event.
michael@0: typedef void (*RemoteProcessEvents) (void*);
michael@0: 
michael@0: NPError ShowCocoaContextMenu(void* aMenu, int aX, int aY, void* pluginModule, RemoteProcessEvents remoteEvent);
michael@0: 
michael@0: void InvokeNativeEventLoop();
michael@0: 
michael@0: // Need to call back and send a cocoa draw event to the plugin.
michael@0: typedef void (*DrawPluginFunc) (CGContextRef, void*, nsIntRect aUpdateRect);
michael@0: 
michael@0: void* GetCGLayer(DrawPluginFunc aFunc, void* aPluginInstance,
michael@0:                  bool aAvoidCGCrashes, double aContentsScaleFactor);
michael@0: void ReleaseCGLayer(void* cgLayer);
michael@0: void Repaint(void* cgLayer, nsIntRect aRect);
michael@0: 
michael@0: bool SetProcessName(const char* aProcessName);
michael@0: 
michael@0: /*
michael@0:  * Provides a wrapper around nsCARenderer to manage double buffering
michael@0:  * without having to unbind nsCARenderer on every surface swaps.
michael@0:  *
michael@0:  * The double buffer renderer begins with no initialize surfaces.
michael@0:  * The buffers can be initialized and cleared individually.
michael@0:  * Swapping still occurs regardless if the buffers are initialized.
michael@0:  */
michael@0: class nsDoubleBufferCARenderer {
michael@0: public:
michael@0:   nsDoubleBufferCARenderer() : mCALayer(nullptr), mContentsScaleFactor(1.0) {}
michael@0:   // Returns width in "display pixels".  A "display pixel" is the smallest
michael@0:   // fully addressable part of a display.  But in HiDPI modes each "display
michael@0:   // pixel" corresponds to more than one device pixel.  Multiply display pixels
michael@0:   // by mContentsScaleFactor to get device pixels.
michael@0:   size_t GetFrontSurfaceWidth();
michael@0:   // Returns height in "display pixels".  Multiply by
michael@0:   // mContentsScaleFactor to get device pixels.
michael@0:   size_t GetFrontSurfaceHeight();
michael@0:   double GetFrontSurfaceContentsScaleFactor();
michael@0:   // Returns width in "display pixels".  Multiply by
michael@0:   // mContentsScaleFactor to get device pixels.
michael@0:   size_t GetBackSurfaceWidth();
michael@0:   // Returns height in "display pixels".  Multiply by
michael@0:   // mContentsScaleFactor to get device pixels.
michael@0:   size_t GetBackSurfaceHeight();
michael@0:   double GetBackSurfaceContentsScaleFactor();
michael@0:   IOSurfaceID GetFrontSurfaceID();
michael@0: 
michael@0:   bool HasBackSurface();
michael@0:   bool HasFrontSurface();
michael@0:   bool HasCALayer();
michael@0: 
michael@0:   void SetCALayer(void *aCALayer);
michael@0:   // aWidth and aHeight are in "display pixels".  Multiply by
michael@0:   // aContentsScaleFactor to get device pixels.
michael@0:   bool InitFrontSurface(size_t aWidth, size_t aHeight,
michael@0:                         double aContentsScaleFactor,
michael@0:                         AllowOfflineRendererEnum aAllowOfflineRenderer);
michael@0:   void Render();
michael@0:   void SwapSurfaces();
michael@0:   void ClearFrontSurface();
michael@0:   void ClearBackSurface();
michael@0: 
michael@0:   double GetContentsScaleFactor() { return mContentsScaleFactor; }
michael@0: 
michael@0: private:
michael@0:   void *mCALayer;
michael@0:   RefPtr<nsCARenderer> mCARenderer;
michael@0:   RefPtr<MacIOSurface> mFrontSurface;
michael@0:   RefPtr<MacIOSurface> mBackSurface;
michael@0:   double mContentsScaleFactor;
michael@0: };
michael@0: 
michael@0: } // namespace PluginUtilsOSX
michael@0: } // namespace plugins
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif //dom_plugins_PluginUtilsOSX_h