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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_RENDERER_RENDER_PROCESS_H_ | |
| 6 #define CHROME_RENDERER_RENDER_PROCESS_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include "content/common/child_process.h" | |
| 10 #include "skia/ext/platform_canvas.h" | |
| 11 | |
| 12 class TransportDIB; | |
| 13 | |
| 14 namespace gfx { | |
| 15 class Rect; | |
| 16 } | |
| 17 | |
| 18 namespace skia { | |
| 19 class PlatformCanvas; | |
| 20 } | |
| 21 | |
| 22 // A abstract interface representing the renderer end of the browser<->renderer | |
| 23 // connection. The opposite end is the RenderProcessHost. This is a singleton | |
| 24 // object for each renderer. | |
| 25 // | |
| 26 // RenderProcessImpl implements this interface for the regular browser. | |
| 27 // MockRenderProcess implements this interface for certain tests, especially | |
| 28 // ones derived from RenderViewTest. | |
| 29 class RenderProcess : public ChildProcess { | |
| 30 public: | |
| 31 RenderProcess() {} | |
| 32 virtual ~RenderProcess() {} | |
| 33 | |
| 34 // Get a canvas suitable for drawing and transporting to the browser | |
| 35 // memory: (output) the transport DIB memory | |
| 36 // rect: the rectangle which will be painted, use for sizing the canvas | |
| 37 // returns: NULL on error | |
| 38 // | |
| 39 // When no longer needed, you should pass the TransportDIB to | |
| 40 // ReleaseTransportDIB so that it can be recycled. | |
| 41 virtual skia::PlatformCanvas* GetDrawingCanvas(TransportDIB** memory, | |
| 42 const gfx::Rect& rect) = 0; | |
| 43 | |
| 44 // Frees shared memory allocated by AllocSharedMemory. You should only use | |
| 45 // this function to free the SharedMemory object. | |
| 46 virtual void ReleaseTransportDIB(TransportDIB* memory) = 0; | |
| 47 | |
| 48 // Returns true if plugisn should be loaded in-process. | |
| 49 virtual bool UseInProcessPlugins() const = 0; | |
| 50 | |
| 51 virtual bool HasInitializedMediaLibrary() const = 0; | |
| 52 | |
| 53 // Returns a pointer to the RenderProcess singleton instance. Assuming that | |
| 54 // we're actually a renderer or a renderer test, this static cast will | |
| 55 // be correct. | |
| 56 static RenderProcess* current() { | |
| 57 return static_cast<RenderProcess*>(ChildProcess::current()); | |
| 58 } | |
| 59 | |
| 60 private: | |
| 61 DISALLOW_COPY_AND_ASSIGN(RenderProcess); | |
| 62 }; | |
| 63 | |
| 64 #endif // CHROME_RENDERER_RENDER_PROCESS_H_ | |
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