Implemented Browser Plugin (NOT FOR REVIEW)

content/renderer/guest_render_view_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_RENDERER_GUEST_RENDER_VIEW_OBSERVER_H_
+#define CONTENT_RENDERER_GUEST_RENDER_VIEW_OBSERVER_H_
+#pragma once
+
+#include "content/public/renderer/render_view_observer.h"
+#include "content/renderer/guest_to_host_channel.h"
+
+class RenderViewImpl;
+
+class GuestRenderViewObserver: public content::RenderViewObserver {
+ public:
+  virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
+
+  WebKit::WebGraphicsContext3D* GetWebGraphicsContext3D() OVERRIDE;
+
+  int routing_id() { return content::RenderViewObserver::routing_id(); }
+
+ private:
+  GuestRenderViewObserver(RenderViewImpl* render_view);
+
+  ~GuestRenderViewObserver() { }
+
+  // This message arrives to indicate to the RenderView that it is
+  // to begin initializing itself as a pepper plugin and establish
+  // a channel with a host RenderView.
+  void OnMsgCreateChannel(base::ProcessHandle host_process_handle,
+                          int renderer_id);
+
+  // This message arrives after a guest-to-host channel has been established.
+  // The host is now free to swap out the BrowserPluginPlaceholder with the
+  // real browser plugin.
+  void OnMsgGuestReady(int instance_id,
+                       base::ProcessHandle process_handle,
+                       const IPC::ChannelHandle& channel_handle);
+
+  void GraphicsContextCreated();
+
+  GuestToHostChannel guest_to_host_channel_;
+
+  friend class RenderViewImpl;
+  friend class GuestToHostChannel;
+};
+
+#endif // CONTENT_RENDERER_GUEST_RENDER_VIEW_OBSERVER_H_