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/*
* Copyright (C) 2016 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.
*/
#ifndef ANDROID_DRM_EVENT_LISTENER_H_
#define ANDROID_DRM_EVENT_LISTENER_H_
#include "autofd.h"
#include "utils/Worker.h"
namespace android {
class DrmDevice;
class DrmEventHandler {
public:
DrmEventHandler() {
}
virtual ~DrmEventHandler() {
}
virtual void HandleEvent(uint64_t timestamp_us) = 0;
};
class DrmEventListener : public Worker {
public:
DrmEventListener(DrmDevice *drm);
virtual ~DrmEventListener() {
}
int Init();
void RegisterHotplugHandler(DrmEventHandler *handler);
static void FlipHandler(int fd, unsigned int sequence, unsigned int tv_sec,
unsigned int tv_usec, void *user_data);
protected:
virtual void Routine();
private:
void UEventHandler();
fd_set fds_{};
UniqueFd uevent_fd_;
int max_fd_ = -1;
DrmDevice *drm_;
std::unique_ptr<DrmEventHandler> hotplug_handler_;
};
} // namespace android
#endif
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