chrome/renderer/frame_sniffer.h

   1 // Copyright (c) 2011 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_FRAME_SNIFFER_H_
   6 #define CHROME_RENDERER_FRAME_SNIFFER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "content/public/renderer/render_view_observer.h"
  11
  12 // Class which observes events from the frame with specific name and sends IPC
  13 // messages to be handled by RenderViewHostObserver.
  14 class FrameSniffer : public content::RenderViewObserver {
  15  public:
  16   FrameSniffer(content::RenderView* render_view,
  17                const string16 &unique_frame_name);
  18   virtual ~FrameSniffer();
  19
  20   // Implements RenderViewObserver.
  21   virtual void DidFailProvisionalLoad(
  22       WebKit::WebFrame* frame, const WebKit::WebURLError& error) OVERRIDE;
  23   virtual void DidCommitProvisionalLoad(WebKit::WebFrame* frame,
  24                                         bool is_new_navigation) OVERRIDE;
  25
  26  private:
  27   bool ShouldSniffFrame(WebKit::WebFrame* frame);
  28
  29   // Name of the frame to be monitored.
  30   string16 unique_frame_name_;
  31
  32   DISALLOW_COPY_AND_ASSIGN(FrameSniffer);
  33 };
  34
  35 #endif  // CHROME_RENDERER_FRAME_SNIFFER_H_