| // Copyright 2019 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_SIGNALING_FTL_SIGNAL_STRATEGY_H_ |
| #define REMOTING_SIGNALING_FTL_SIGNAL_STRATEGY_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "remoting/signaling/signal_strategy.h" |
| |
| namespace remoting { |
| |
| class FtlDeviceIdProvider; |
| class OAuthTokenGetter; |
| |
| // FtlSignalStrategy implements SignalStrategy using the FTL messaging service. |
| // This class can be created on a different sequence from the one it is used |
| // (when Connect() is called). |
| class FtlSignalStrategy : public SignalStrategy { |
| public: |
| // |oauth_token_getter| must outlive |core_|. Ideally it should be a |
| // singleton. |
| // TODO(yuweih): Consider taking weak pointer to OAuthTokenGetter or wrapping |
| // it with OAuthTokenGetterProxy. |
| FtlSignalStrategy(OAuthTokenGetter* oauth_token_getter, |
| std::unique_ptr<FtlDeviceIdProvider> device_id_provider); |
| ~FtlSignalStrategy() override; |
| |
| // SignalStrategy interface. |
| void Connect() override; |
| void Disconnect() override; |
| State GetState() const override; |
| Error GetError() const override; |
| const SignalingAddress& GetLocalAddress() const override; |
| void AddListener(Listener* listener) override; |
| void RemoveListener(Listener* listener) override; |
| bool SendStanza(std::unique_ptr<jingle_xmpp::XmlElement> stanza) override; |
| std::string GetNextId() override; |
| |
| // Returns true if the signal strategy gets into an error state when it tries |
| // to sign in. You can get back the actual error by calling GetError(). |
| bool IsSignInError() const; |
| |
| private: |
| // This ensures that even if a Listener deletes the current instance during |
| // OnSignalStrategyIncomingStanza(), we can delete |core_| asynchronously. |
| class Core; |
| |
| std::unique_ptr<Core> core_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FtlSignalStrategy); |
| }; |
| |
| } // namespace remoting |
| |
| #endif // REMOTING_SIGNALING_FTL_SIGNAL_STRATEGY_H_ |