Browser side implementation of browser plugin

content/browser/browser_plugin/guest_render_view_host_observer.h

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CONTENT_BROWSER_BROWSER_PLUGIN_GUEST_RENDER_VIEW_HOST_OBSERVER_H_
+#define CONTENT_BROWSER_BROWSER_PLUGIN_GUEST_RENDER_VIEW_HOST_OBSERVER_H_
+#pragma once
+
+#include "content/browser/browser_plugin/renderer_host/browser_plugin_message_filter.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/browser/render_view_host_observer.h"
+
+class GuestRenderViewHostObserver : public content::RenderViewHostObserver {
+ public:
+  virtual ~GuestRenderViewHostObserver();
+
+  static GuestRenderViewHostObserver* Create(
+      BrowserPluginMessageFilter* filter,
+      content::RenderViewHost* render_view_host,
+      int routing_id,
+      int instance_id);
+
+ private:
+  GuestRenderViewHostObserver(BrowserPluginMessageFilter* filter,
+                              content::RenderViewHost* render_view_host,
+                              int host_routing_id,
+                              int instance_id);
+
+  void RequestPluginChannel();
+
+  virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
+
+  void OnMsgRenderViewReady();
+
+  void OnMsgResizeGuest(int width, int height);
+
+  // IPC message handlers.
+  void OnRendererPluginChannelCreated(const IPC::ChannelHandle& handle);
+
+  BrowserPluginMessageFilter* filter_;
+
+  int host_routing_id_;
+
+  int instance_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(GuestRenderViewHostObserver);
+};
+
+#endif  // CONTENT_BROWSER_BROWSER_PLUGIN_GUEST_RENDER_VIEW_HOST_OBSERVER_H_
+