content/child/mojo/mojo_application.h

   1 // Copyright 2014 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_CHILD_MOJO_MOJO_APPLICATION_H_
   6 #define CONTENT_CHILD_MOJO_MOJO_APPLICATION_H_
   7
   8 #include "content/common/mojo/channel_init.h"
   9 #include "content/common/mojo/service_registry_impl.h"
  10 #include "ipc/ipc_platform_file.h"
  11
  12 namespace base {
  13 class SequencedTaskRunner;
  14 }
  15
  16 namespace IPC {
  17 class Message;
  18 }
  19
  20 namespace content {
  21
  22 // MojoApplication represents the code needed to setup a child process as a
  23 // Mojo application via Chrome IPC. Instantiate MojoApplication and call its
  24 // OnMessageReceived method to give it a shot at handling Chrome IPC messages.
  25 // It makes the ServiceRegistry interface available.
  26 class MojoApplication {
  27  public:
  28   explicit MojoApplication(
  29       scoped_refptr<base::SequencedTaskRunner> io_task_runner);
  30   virtual ~MojoApplication();
  31
  32   bool OnMessageReceived(const IPC::Message& msg);
  33
  34   ServiceRegistry* service_registry() { return &service_registry_; }
  35
  36  private:
  37   void OnActivate(const IPC::PlatformFileForTransit& file);
  38
  39   scoped_refptr<base::SequencedTaskRunner> io_task_runner_;
  40
  41   ChannelInit channel_init_;
  42
  43   ServiceRegistryImpl service_registry_;
  44
  45   DISALLOW_COPY_AND_ASSIGN(MojoApplication);
  46 };
  47
  48 }  // namespace content
  49
  50 #endif  // CONTENT_CHILD_MOJO_MOJO_APPLICATION_H_