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// Copyright (c) 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 CONTENT_COMMON_MOJO_MOJO_CHANNEL_INIT_H_
#define CONTENT_COMMON_MOJO_MOJO_CHANNEL_INIT_H_
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/platform_file.h"
#include "content/common/content_export.h"
#include "mojo/public/system/core_cpp.h"
namespace base {
class MessageLoopProxy;
class TaskRunner;
}
namespace mojo {
namespace embedder {
struct ChannelInfo;
}
}
namespace content {
// MojoChannelInit handle creation (and destruction) of the mojo channel. It is
// expected that this class is created and destroyed on the main thread.
class CONTENT_EXPORT MojoChannelInit {
public:
MojoChannelInit();
~MojoChannelInit();
// Inits the channel. This takes ownership of |file|.
void Init(base::PlatformFile file,
scoped_refptr<base::TaskRunner> io_thread_task_runner);
bool is_handle_valid() const { return bootstrap_message_pipe_.is_valid(); }
private:
// Invoked on the main thread once the channel has been established.
static void OnCreatedChannel(
base::WeakPtr<MojoChannelInit> host,
scoped_refptr<base::TaskRunner> io_thread,
mojo::embedder::ChannelInfo* channel);
scoped_refptr<base::TaskRunner> io_thread_task_runner_;
// If non-null the channel has been established.
mojo::embedder::ChannelInfo* channel_info_;
// The handle from channel creation.
mojo::ScopedMessagePipeHandle bootstrap_message_pipe_;
base::WeakPtrFactory<MojoChannelInit> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(MojoChannelInit);
};
} // namespace content
#endif // CONTENT_COMMON_MOJO_MOJO_CHANNEL_INIT_H_
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