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// 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_COMMON_CHANNEL_INIT_H_
#define MOJO_COMMON_CHANNEL_INIT_H_
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/platform_file.h"
#include "mojo/common/mojo_common_export.h"
#include "mojo/public/cpp/system/core.h"
namespace base {
class MessageLoopProxy;
class TaskRunner;
}
namespace mojo {
namespace embedder {
struct ChannelInfo;
}
namespace common {
// 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_COMMON_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 common
} // namespace mojo
#endif // MOJO_COMMON_CHANNEL_INIT_H_
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