content/renderer/render_process.h

   1 // Copyright (c) 2012 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 CONTENT_RENDERER_RENDER_PROCESS_H_
   6 #define CONTENT_RENDERER_RENDER_PROCESS_H_
   7
   8 #include "content/child/child_process.h"
   9 #include "skia/ext/platform_canvas.h"
  10
  11 class TransportDIB;
  12
  13 namespace gfx {
  14 class Rect;
  15 }
  16
  17 namespace content {
  18
  19 // A abstract interface representing the renderer end of the browser<->renderer
  20 // connection. The opposite end is the RenderProcessHost. This is a singleton
  21 // object for each renderer.
  22 //
  23 // RenderProcessImpl implements this interface for the regular browser.
  24 // MockRenderProcess implements this interface for certain tests, especially
  25 // ones derived from RenderViewTest.
  26 class RenderProcess : public ChildProcess {
  27  public:
  28   RenderProcess() {}
  29   virtual ~RenderProcess() {}
  30
  31   // Keep track of the cumulative set of enabled bindings for this process,
  32   // across any view.
  33   virtual void AddBindings(int bindings) = 0;
  34
  35   // The cumulative set of enabled bindings for this process.
  36   virtual int GetEnabledBindings() const = 0;
  37
  38   // Returns a pointer to the RenderProcess singleton instance. Assuming that
  39   // we're actually a renderer or a renderer test, this static cast will
  40   // be correct.
  41   static RenderProcess* current() {
  42     return static_cast<RenderProcess*>(ChildProcess::current());
  43   }
  44
  45  private:
  46   DISALLOW_COPY_AND_ASSIGN(RenderProcess);
  47 };
  48
  49 }  // namespace content
  50
  51 #endif  // CONTENT_RENDERER_RENDER_PROCESS_H_