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