Out of process Pepper

chrome/browser/ppapi_plugin_process_host.h

+// Copyright (c) 2010 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 CHROME_BROWSER_PPAPI_PLUGIN_PROCESS_HOST_H_
+#define CHROME_BROWSER_PPAPI_PLUGIN_PROCESS_HOST_H_
+#pragma once
+
+#include "base/basictypes.h"
+#include "base/file_path.h"
+#include "chrome/browser/browser_child_process_host.h"
+
+class ResourceMessageFilter;
+
+namespace IPC {
+class ChannelHandle;
+class Message;
+}
+
+class PpapiPluginProcessHost : public BrowserChildProcessHost {
+ public:
+  explicit PpapiPluginProcessHost(ResourceMessageFilter* filter);
+  virtual ~PpapiPluginProcessHost();
+
+  void Init(const FilePath& path, IPC::Message* reply_msg);
+
+ private:
+  virtual bool CanShutdown() { return true; }
+  virtual void OnProcessLaunched();
+  virtual URLRequestContext* GetRequestContext(
+      uint32 request_id,
+      const ViewHostMsg_Resource_Request& request_data);
+
+  virtual void OnMessageReceived(const IPC::Message& msg);
+  virtual void OnChannelConnected(int32 peer_pid);
+  virtual void OnChannelError();
+
+  // IPC message handlers.
+  void OnPluginLoaded(const IPC::ChannelHandle& handle);
+
+  // Sends the reply_msg_ to the renderer with the given channel info.
+  void ReplyToRenderer(const IPC::ChannelHandle& handle);
+
+  ResourceMessageFilter* filter_;
+
+  // Path to the plugin library.
+  FilePath plugin_path_;
+
+  // When we're waiting for initialization of the plugin, this contains the
+  // reply message for the renderer to tell it that it can continue.
+  scoped_ptr<IPC::Message> reply_msg_;
+
+  DISALLOW_COPY_AND_ASSIGN(PpapiPluginProcessHost);
+};
+
+#endif  // CHROME_BROWSER_PPAPI_PLUGIN_PROCESS_HOST_H_
+