| // Copyright 2014 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 MOJO_EMBEDDER_CHANNEL_INIT_H_ |
| #define MOJO_EMBEDDER_CHANNEL_INIT_H_ |
| |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/platform_file.h" |
| #include "mojo/public/cpp/system/core.h" |
| #include "mojo/system/system_impl_export.h" |
| |
| namespace base { |
| class MessageLoopProxy; |
| class TaskRunner; |
| } |
| |
| namespace mojo { |
| namespace embedder { |
| struct ChannelInfo; |
| } |
| |
| namespace embedder { |
| |
| // ChannelInit handle creation (and destruction) of the mojo channel. It is |
| // expected that this class is created and destroyed on the main thread. |
| class MOJO_SYSTEM_IMPL_EXPORT ChannelInit { |
| public: |
| ChannelInit(); |
| ~ChannelInit(); |
| |
| // Initializes the channel. This takes ownership of |file|. Returns the |
| // primordial MessagePipe for the channel. |
| mojo::ScopedMessagePipeHandle Init( |
| base::PlatformFile file, |
| scoped_refptr<base::TaskRunner> io_thread_task_runner); |
| |
| private: |
| // Invoked on the main thread once the channel has been established. |
| static void OnCreatedChannel( |
| base::WeakPtr<ChannelInit> host, |
| scoped_refptr<base::TaskRunner> io_thread, |
| embedder::ChannelInfo* channel); |
| |
| scoped_refptr<base::TaskRunner> io_thread_task_runner_; |
| |
| // If non-null the channel has been established. |
| embedder::ChannelInfo* channel_info_; |
| |
| base::WeakPtrFactory<ChannelInit> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ChannelInit); |
| }; |
| |
| } // namespace embedder |
| } // namespace mojo |
| |
| #endif // MOJO_EMBEDDER_CHANNEL_INIT_H_ |