ipc/mojo/scoped_ipc_support.h

   1 // Copyright 2015 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_MOJO_SCOPED_IPC_SUPPORT_H_
   6 #define IPC_MOJO_SCOPED_IPC_SUPPORT_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/task_runner.h"
  11 #include "ipc/ipc_export.h"
  12
  13 namespace IPC {
  14
  15 // Perform any necessary Mojo IPC initialization. A ScopedIPCSupport object
  16 // should be instantiated and retained by any component which makes direct calls
  17 // to the Mojo EDK. This is used to ensure that the EDK is initialized within
  18 // the current process and that it is shutdown cleanly when no longer in use.
  19 //
  20 // NOTE: Unless you are making explicit calls to functions in the
  21 // mojo::embedder namespace, you almost definitely DO NOT need this and should
  22 // not be using it.
  23 class IPC_MOJO_EXPORT ScopedIPCSupport {
  24  public:
  25   ScopedIPCSupport(scoped_refptr<base::TaskRunner> io_thread_task_runner);
  26   ~ScopedIPCSupport();
  27
  28  private:
  29   DISALLOW_COPY_AND_ASSIGN(ScopedIPCSupport);
  30 };
  31
  32 }  // namespace IPC
  33
  34 #endif  // IPC_MOJO_SCOPED_IPC_SUPPORT_H_