1 // Copyright 2012 Google Inc. All Rights Reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef POLO_PAIRING_PAIRINGLISTENER_H_ 16 #define POLO_PAIRING_PAIRINGLISTENER_H_ 17 18 #include <string> 19 #include "polo/pairing/polochallengeresponse.h" 20 #include "polo/pairing/poloerror.h" 21 22 namespace polo { 23 namespace pairing { 24 25 class PairingSession; 26 27 // Listener for a pairing session. 28 class PairingListener { 29 public: ~PairingListener()30 virtual ~PairingListener() {} 31 32 // Invoked when a pairing session has been created. 33 virtual void OnSessionCreated() = 0; 34 35 // Invoked when a pairing session has ended. 36 virtual void OnSessionEnded() = 0; 37 38 // Invoked when the output device role should be performed. The client should 39 // display a decoded secret based on the given gamma value. 40 virtual void OnPerformOutputDeviceRole(const Gamma& gamma) = 0; 41 42 // Invoked when the input device role should be performed. The client should 43 // prompt the user to enter the secret displayed on the output device. 44 virtual void OnPerformInputDeviceRole() = 0; 45 46 // Invoked when pairing has completed successfully. 47 virtual void OnPairingSuccess() = 0; 48 49 // Invoked when the pairing operation has been cancelled. 50 virtual void OnPairingCancelled() = 0; 51 52 // Invoked if there was an error during the pairing process. 53 virtual void OnError(PoloError error) = 0; 54 }; 55 56 } // namespace pairing 57 } // namespace polo 58 59 #endif // POLO_PAIRING_PAIRINGLISTENER_H_ 60