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 "base/basictypes.h"
   9 #include "content/public/renderer/render_frame_observer.h"
  10
  11 namespace gfx {
  12 class Size;
  13 }
  14
  15 // This class holds the Chrome specific parts of RenderFrame, and has the same
  16 // lifetime.
  17 class ChromeRenderFrameObserver : public content::RenderFrameObserver {
  18  public:
  19   explicit ChromeRenderFrameObserver(content::RenderFrame* render_frame);
  20   ~ChromeRenderFrameObserver() override;
  21
  22  private:
  23   // RenderFrameObserver implementation.
  24   bool OnMessageReceived(const IPC::Message& message) 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_