chrome/browser/extensions/api/messaging/extension_message_port.h

   1 // Copyright (c) 2012 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_BROWSER_EXTENSIONS_API_MESSAGING_EXTENSION_MESSAGE_PORT_H_
   6 #define CHROME_BROWSER_EXTENSIONS_API_MESSAGING_EXTENSION_MESSAGE_PORT_H_
   7
   8 #include "chrome/browser/extensions/api/messaging/message_service.h"
   9
  10 class GURL;
  11
  12 namespace content {
  13 class RenderProcessHost;
  14 }  // namespace content
  15
  16 namespace extensions {
  17
  18 // A port that manages communication with an extension.
  19 class ExtensionMessagePort : public MessageService::MessagePort {
  20  public:
  21   ExtensionMessagePort(content::RenderProcessHost* process,
  22                        int routing_id,
  23                        const std::string& extension_id);
  24   void DispatchOnConnect(int dest_port_id,
  25                          const std::string& channel_name,
  26                          scoped_ptr<base::DictionaryValue> source_tab,
  27                          int source_frame_id,
  28                          int target_frame_id,
  29                          int guest_process_id,
  30                          int guest_render_frame_routing_id,
  31                          const std::string& source_extension_id,
  32                          const std::string& target_extension_id,
  33                          const GURL& source_url,
  34                          const std::string& tls_channel_id) override;
  35   void DispatchOnDisconnect(int source_port_id,
  36                             const std::string& error_message) override;
  37   void DispatchOnMessage(const Message& message, int target_port_id) override;
  38   void IncrementLazyKeepaliveCount() override;
  39   void DecrementLazyKeepaliveCount() override;
  40   content::RenderProcessHost* GetRenderProcessHost() override;
  41
  42  private:
  43   content::RenderProcessHost* process_;
  44   int routing_id_;
  45   std::string extension_id_;
  46   void* background_host_ptr_;  // used in IncrementLazyKeepaliveCount
  47 };
  48
  49 }  // namespace extensions
  50
  51 #endif  // CHROME_BROWSER_EXTENSIONS_API_MESSAGING_EXTENSION_MESSAGE_PORT_H_