| // 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::Callback<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, |
| const 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_ |