content/shell/renderer/shell_render_view_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 CONTENT_SHELL_RENDERER_SHELL_RENDER_VIEW_OBSERVER_H_
   6 #define CONTENT_SHELL_RENDERER_SHELL_RENDER_VIEW_OBSERVER_H_
   7
   8 #include <string>
   9 #include "base/memory/scoped_ptr.h"
  10 #include "content/public/renderer/render_view_observer.h"
  11
  12 namespace blink {
  13 class WebFrame;
  14 }
  15
  16 namespace content {
  17
  18 class IPCEcho;
  19 class RenderView;
  20
  21
  22 class ShellRenderViewObserver : public RenderViewObserver {
  23  public:
  24   explicit ShellRenderViewObserver(RenderView* render_view);
  25   ~ShellRenderViewObserver() override;
  26
  27  private:
  28   // Message handlers.
  29   void OnEchoPong(int id, const std::string& body);
  30
  31   // RenderViewObserver implementation.
  32   bool OnMessageReceived(const IPC::Message& message) override;
  33   void DidClearWindowObject(blink::WebLocalFrame* frame) override;
  34
  35   scoped_ptr<IPCEcho> ipc_echo_;
  36   DISALLOW_COPY_AND_ASSIGN(ShellRenderViewObserver);
  37 };
  38
  39 }  // namespace content
  40
  41 #endif  // CONTENT_SHELL_RENDERER_SHELL_RENDER_VIEW_OBSERVER_H_