/* * Copyright (C) 2023 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #pragma once namespace android::hardware::graphics::composer { class PresentListener { public: virtual ~PresentListener() = default; virtual void setExpectedPresentTime(int64_t __unused timestampNanos, int __unused frameIntervalNs) {} virtual void onPresent(int32_t __unused fence) {} virtual void onPresent(int64_t __unused presentTimeNs, __unused int flag) {} }; class VsyncListener { public: virtual ~VsyncListener() = default; virtual void onVsync(int64_t timestamp, int32_t vsyncPeriodNanos) = 0; }; class PowerModeListener { public: virtual ~PowerModeListener() = default; virtual void onPowerStateChange(int from, int to) = 0; }; class RefreshRateChangeListener { public: virtual ~RefreshRateChangeListener() = default; virtual void onRefreshRateChange(int refreshRate) = 0; }; } // namespace android::hardware::graphics::composer