1 /* 2 * Copyright (C) 2016 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 17 #ifndef ANDROID_DRM_EVENT_LISTENER_H_ 18 #define ANDROID_DRM_EVENT_LISTENER_H_ 19 20 #include "autofd.h" 21 #include "worker.h" 22 23 namespace android { 24 25 class DrmResources; 26 27 class DrmEventHandler { 28 public: 29 DrmEventHandler() { 30 } 31 virtual ~DrmEventHandler() { 32 } 33 34 virtual void HandleEvent(uint64_t timestamp_us) = 0; 35 }; 36 37 class DrmEventListener : public Worker { 38 public: 39 DrmEventListener(DrmResources *drm); 40 virtual ~DrmEventListener() { 41 } 42 43 int Init(); 44 45 void RegisterHotplugHandler(DrmEventHandler *handler); 46 47 static void FlipHandler(int fd, unsigned int sequence, unsigned int tv_sec, 48 unsigned int tv_usec, void *user_data); 49 50 protected: 51 virtual void Routine(); 52 53 private: 54 void UEventHandler(); 55 56 fd_set fds_; 57 UniqueFd uevent_fd_; 58 int max_fd_ = -1; 59 60 DrmResources *drm_; 61 DrmEventHandler *hotplug_handler_ = NULL; 62 }; 63 } 64 65 #endif 66
