| Index: content/common/mojo/channel_init.h
|
| diff --git a/content/common/mojo/channel_init.h b/content/common/mojo/channel_init.h
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..659d4bb55f11f297fc9fddd68a5be51874b81819
|
| --- /dev/null
|
| +++ b/content/common/mojo/channel_init.h
|
| @@ -0,0 +1,64 @@
|
| +// Copyright 2015 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 CONTENT_COMMON_MOJO_CHANNEL_INIT_H_
|
| +#define CONTENT_COMMON_MOJO_CHANNEL_INIT_H_
|
| +
|
| +#include "base/files/file.h"
|
| +#include "base/memory/ref_counted.h"
|
| +#include "base/memory/weak_ptr.h"
|
| +#include "content/common/content_export.h"
|
| +#include "ipc/mojo/scoped_ipc_support.h"
|
| +#include "third_party/mojo/src/mojo/edk/embedder/channel_info_forward.h"
|
| +#include "third_party/mojo/src/mojo/public/cpp/system/message_pipe.h"
|
| +
|
| +namespace base {
|
| +class MessageLoopProxy;
|
| +class TaskRunner;
|
| +}
|
| +
|
| +namespace content {
|
| +
|
| +// ChannelInit handles creation and destruction of the Mojo channel. It is not
|
| +// thread-safe, but may be used on any single thread with a MessageLoop.
|
| +class CONTENT_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);
|
| +
|
| + // Notifies the channel that we (hence it) will soon be destroyed.
|
| + void WillDestroySoon();
|
| +
|
| + // Get/Set a shared I/O TaskRunner for children to use in single process mode.
|
| + static scoped_refptr<base::TaskRunner> GetSingleProcessIOTaskRunner();
|
| + static void SetSingleProcessIOTaskRunner(
|
| + scoped_refptr<base::TaskRunner> io_task_runner);
|
| +
|
| + private:
|
| + // Invoked on the thread on which this object lives once the channel has been
|
| + // established. This is a static method that takes a weak pointer to self,
|
| + // since we want to destroy the channel if we were destroyed first.
|
| + static void OnCreatedChannel(
|
| + base::WeakPtr<ChannelInit> self,
|
| + scoped_ptr<IPC::ScopedIPCSupport> ipc_support,
|
| + mojo::embedder::ChannelInfo* channel);
|
| +
|
| + // If non-null the channel has been established.
|
| + mojo::embedder::ChannelInfo* channel_info_;
|
| +
|
| + scoped_ptr<IPC::ScopedIPCSupport> ipc_support_;
|
| + base::WeakPtrFactory<ChannelInit> weak_factory_;
|
| +
|
| + DISALLOW_COPY_AND_ASSIGN(ChannelInit);
|
| +};
|
| +
|
| +} // namespace content
|
| +
|
| +#endif // CONTENT_COMMON_MOJO_CHANNEL_INIT_H_
|
|
|