1 /* 2 * Copyright 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef SAMPLES_IRESTARTABLE_H 17 #define SAMPLES_IRESTARTABLE_H 18 19 /** 20 * Represents an object which can be restarted. For example an audio engine which has one or more 21 * streams which can be restarted following a change in audio device configuration. For example, 22 * headphones being connected. 23 */ 24 class IRestartable { 25 public: 26 virtual void restart() = 0; 27 }; 28 #endif //SAMPLES_IRESTARTABLE_H 29