| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_RENDERER_RENDER_PROCESS_H_ |
| #define CONTENT_RENDERER_RENDER_PROCESS_H_ |
| |
| #include "content/child/child_process.h" |
| #include "skia/ext/platform_canvas.h" |
| |
| class TransportDIB; |
| |
| namespace gfx { |
| class Rect; |
| } |
| |
| namespace content { |
| |
| // A abstract interface representing the renderer end of the browser<->renderer |
| // connection. The opposite end is the RenderProcessHost. This is a singleton |
| // object for each renderer. |
| // |
| // RenderProcessImpl implements this interface for the regular browser. |
| // MockRenderProcess implements this interface for certain tests, especially |
| // ones derived from RenderViewTest. |
| class RenderProcess : public ChildProcess { |
| public: |
| RenderProcess() {} |
| virtual ~RenderProcess() {} |
| |
| // Get a canvas suitable for drawing and transporting to the browser |
| // memory: (output) the transport DIB memory |
| // rect: the rectangle which will be painted, use for sizing the canvas |
| // returns: NULL on error |
| // |
| // When no longer needed, you should pass the TransportDIB to |
| // ReleaseTransportDIB so that it can be recycled. |
| virtual SkCanvas* GetDrawingCanvas(TransportDIB** memory, |
| const gfx::Rect& rect) = 0; |
| |
| // Frees shared memory allocated by AllocSharedMemory. You should only use |
| // this function to free the SharedMemory object. |
| virtual void ReleaseTransportDIB(TransportDIB* memory) = 0; |
| |
| // Returns true if plugisn should be loaded in-process. |
| virtual bool UseInProcessPlugins() const = 0; |
| |
| // Keep track of the cumulative set of enabled bindings for this process, |
| // across any view. |
| virtual void AddBindings(int bindings) = 0; |
| |
| // The cumulative set of enabled bindings for this process. |
| virtual int GetEnabledBindings() const = 0; |
| |
| // Create a new transport DIB of, at least, the given size. Return NULL on |
| // error. |
| virtual TransportDIB* CreateTransportDIB(size_t size) = 0; |
| virtual void FreeTransportDIB(TransportDIB*) = 0; |
| |
| // Returns a pointer to the RenderProcess singleton instance. Assuming that |
| // we're actually a renderer or a renderer test, this static cast will |
| // be correct. |
| static RenderProcess* current() { |
| return static_cast<RenderProcess*>(ChildProcess::current()); |
| } |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(RenderProcess); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_RENDERER_RENDER_PROCESS_H_ |