chrome/renderer/chrome_render_frame_observer.h

   1 // Copyright 2013 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_CHROME_RENDER_FRAME_OBSERVER_H_
   6 #define CHROME_RENDERER_CHROME_RENDER_FRAME_OBSERVER_H_
   7
   8 #include "content/public/renderer/render_frame_observer.h"
   9
  10 namespace gfx {
  11 class Size;
  12 }
  13
  14 // This class holds the Chrome specific parts of RenderFrame, and has the same
  15 // lifetime.
  16 class ChromeRenderFrameObserver : public content::RenderFrameObserver {
  17  public:
  18   explicit ChromeRenderFrameObserver(content::RenderFrame* render_frame);
  19   virtual ~ChromeRenderFrameObserver();
  20
  21  private:
  22   // RenderFrameObserver implementation.
  23   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  24   virtual void DidChangeName(const base::string16& name) OVERRIDE;
  25
  26   // IPC handlers
  27   void OnSetIsPrerendering(bool is_prerendering);
  28   void OnRequestThumbnailForContextNode(
  29       int thumbnail_min_area_pixels,
  30       const gfx::Size& thumbnail_max_size_pixels);
  31   void OnPrintNodeUnderContextMenu();
  32
  33   DISALLOW_COPY_AND_ASSIGN(ChromeRenderFrameObserver);
  34 };
  35
  36 #endif  // CHROME_RENDERER_CHROME_RENDER_FRAME_OBSERVER_H_