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// Copyright 2016 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 BLIMP_NET_THREAD_PIPE_MANAGER_H_
#define BLIMP_NET_THREAD_PIPE_MANAGER_H_
#include <vector>
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "blimp/common/proto/blimp_message.pb.h"
#include "blimp/net/blimp_net_export.h"
namespace base {
class SequencedTaskRunner;
} // namespace base
namespace blimp {
class BlimpMessageProcessor;
class BlimpMessageThreadPipe;
class BrowserConnectionHandler;
class IoThreadPipeManager;
// This class is used on the UI thread for registering features and setting up
// BlimpMessageThreadPipes for communicating with |connection_handler| on the
// IO thread.
class BLIMP_NET_EXPORT ThreadPipeManager {
public:
// Caller is responsible for ensuring that |connection_handler| outlives
// |this|.
explicit ThreadPipeManager(
const scoped_refptr<base::SequencedTaskRunner>& io_task_runner,
const scoped_refptr<base::SequencedTaskRunner>& ui_task_runner,
BrowserConnectionHandler* connection_handler);
~ThreadPipeManager();
// Registers a message processor |incoming_processor| which will receive all
// messages of the |type| specified. Returns a BlimpMessageProcessor object
// for sending messages of type |type|.
scoped_ptr<BlimpMessageProcessor> RegisterFeature(
BlimpMessage::Type type,
BlimpMessageProcessor* incoming_processor);
private:
scoped_refptr<base::SequencedTaskRunner> io_task_runner_;
scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
// Container for BlimpMessageThreadPipes that are destroyed on IO thread.
scoped_ptr<IoThreadPipeManager> io_pipe_manager_;
// Pipes for routing messages from the IO to the UI thread.
// Incoming messages are only routed to the UI thread since all features run
// there.
std::vector<scoped_ptr<BlimpMessageThreadPipe>> incoming_pipes_;
DISALLOW_COPY_AND_ASSIGN(ThreadPipeManager);
};
} // namespace blimp
#endif // BLIMP_NET_THREAD_PIPE_MANAGER_H_
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