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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_BLINK_POWER_STATUS_HELPER_H_
#define MEDIA_BLINK_POWER_STATUS_HELPER_H_
#include "base/macros.h"
#include "base/optional.h"
#include "base/time/time.h"
#include "media/base/pipeline_metadata.h"
#include "media/base/video_codecs.h"
#include "media/blink/media_blink_export.h"
namespace media {
// Base class to monitor for power events during playback and record them to
// UMA / UKM.
class MEDIA_BLINK_EXPORT PowerStatusHelper {
public:
PowerStatusHelper() = default;
virtual ~PowerStatusHelper() = default;
// Notify us about changes to the player.
virtual void SetIsPlaying(bool is_playing) = 0;
virtual void SetMetadata(const PipelineMetadata& metadata) = 0;
virtual void SetIsFullscreen(bool is_fullscreen) = 0;
virtual void SetAverageFrameRate(base::Optional<int> average_fps) = 0;
// Handle notifications about the experiment state from the power experiment.
// manager. |state| indicates whether our player is eligible to record power
// experiments readings.
virtual void UpdatePowerExperimentState(bool state) = 0;
private:
DISALLOW_COPY_AND_ASSIGN(PowerStatusHelper);
};
} // namespace media
#endif // MEDIA_BLINK_POWER_STATUS_HELPER_H_
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