ipc/mojo/ipc_channel_mojo_host.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 IPC_IPC_CHANNEL_MOJO_HOST_H_
   6 #define IPC_IPC_CHANNEL_MOJO_HOST_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "base/process/process_handle.h"
  11 #include "ipc/ipc_export.h"
  12 #include "ipc/mojo/ipc_channel_mojo.h"
  13
  14 namespace base {
  15 class SequencedTaskRunner;
  16 }
  17
  18 namespace IPC {
  19
  20 // Through ChannelMojoHost, ChannelMojo gets extra information that
  21 // its client provides, including the child process's process handle. Every
  22 // server process that uses ChannelMojo must have a ChannelMojoHost
  23 // instance and call OnClientLaunched().
  24 class IPC_MOJO_EXPORT ChannelMojoHost {
  25  public:
  26   explicit ChannelMojoHost(
  27       scoped_refptr<base::SequencedTaskRunner> io_task_runner);
  28   ~ChannelMojoHost();
  29
  30   void OnClientLaunched(base::ProcessHandle process);
  31   ChannelMojo::Delegate* channel_delegate() const;
  32
  33  private:
  34   class ChannelDelegate;
  35   class ChannelDelegateTraits;
  36
  37   const scoped_refptr<base::SequencedTaskRunner> io_task_runner_;
  38   scoped_refptr<ChannelDelegate> channel_delegate_;
  39   base::WeakPtrFactory<ChannelMojoHost> weak_factory_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(ChannelMojoHost);
  42 };
  43
  44 }  // namespace IPC
  45
  46 #endif  // IPC_IPC_CHANNEL_MOJO_HOST_H_