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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_SYSTEM_AUDIO_MIC_GAIN_SLIDER_CONTROLLER_H_
#define ASH_SYSTEM_AUDIO_MIC_GAIN_SLIDER_CONTROLLER_H_
#include "ash/ash_export.h"
#include "ash/system/unified/unified_slider_view.h"
#include "base/functional/callback_forward.h"
#include "base/timer/timer.h"
namespace ash {
class MicGainSliderView;
// Controller for mic gain sliders situated in audio detailed
// view in the system tray.
class ASH_EXPORT MicGainSliderController : public UnifiedSliderListener {
public:
MicGainSliderController();
~MicGainSliderController() override;
// Create a slider view for a specific input device.
std::unique_ptr<MicGainSliderView> CreateMicGainSlider(uint64_t device_id,
bool internal);
using MapDeviceSliderCallback =
base::RepeatingCallback<void(uint64_t, views::View*)>;
static void SetMapDeviceSliderCallbackForTest(
MapDeviceSliderCallback* test_slider_device_callback);
// UnifiedSliderListener:
std::unique_ptr<UnifiedSliderView> CreateView() override;
QsSliderCatalogName GetCatalogName() override;
void SliderValueChanged(views::Slider* sender,
float value,
float old_value,
views::SliderChangeReason reason) override;
void SliderButtonPressed();
private:
// Records when the user changes the gain via slider to metrics.
void RecordGainChanged();
// Timer used to prevent the input gain from recording each time the user
// moves the slider while setting the desired volume.
base::DelayTimer input_gain_metric_delay_timer_;
#if DCHECK_IS_ON()
bool created_view_ = false;
#endif
};
} // namespace ash
#endif // ASH_SYSTEM_AUDIO_MIC_GAIN_SLIDER_CONTROLLER_H_
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