1/* 2 * Copyright (C) 2017 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 */ 16package android.frameworks.displayservice@1.0; 17 18interface IEventCallback { 19 /** 20 * @param timestamp Nanoseconds since boot. 21 * @param count Vsync count. 22 */ 23 oneway onVsync(uint64_t timestamp, uint32_t count); 24 25 /** 26 * @param timestamp Nanoseconds since boot. 27 * @param connected Current state of hotplug. 28 */ 29 oneway onHotplug(uint64_t timestamp, bool connected); 30}; 31