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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 REMOTING_PROTOCOL_MESSAGE_CHANNEL_FACTORY_H_
- #define REMOTING_PROTOCOL_MESSAGE_CHANNEL_FACTORY_H_
- #include <memory>
- #include <string>
- #include "base/callback_forward.h"
- namespace remoting {
- namespace protocol {
- class MessagePipe;
- class MessageChannelFactory {
- public:
- typedef base::OnceCallback<void(std::unique_ptr<MessagePipe>)>
- ChannelCreatedCallback;
- virtual ~MessageChannelFactory() {}
- // Creates new channels and calls the |callback| when then new channel is
- // created and connected. Callback may be called synchronously, before the
- // call returns. If channel creation fails the callback is never called. All
- // channels must be destroyed, and CancelChannelCreation() called for any
- // pending channels, before the factory is destroyed.
- virtual void CreateChannel(const std::string& name,
- ChannelCreatedCallback callback) = 0;
- // Cancels a pending CreateChannel() operation for the named channel. If the
- // channel creation already completed then canceling it has no effect. When
- // shutting down this method must be called for each channel pending creation.
- virtual void CancelChannelCreation(const std::string& name) = 0;
- };
- } // namespace protocol
- } // namespace remoting
- #endif // REMOTING_PROTOCOL_MESSAGE_CHANNEL_FACTORY_H_
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