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// Copyright 2018 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_UNIFIED_VOLUME_SLIDER_CONTROLLER_H_
#define ASH_SYSTEM_AUDIO_UNIFIED_VOLUME_SLIDER_CONTROLLER_H_
#include "ash/ash_export.h"
#include "ash/constants/quick_settings_catalogs.h"
#include "ash/system/tray/tray_constants.h"
#include "ash/system/unified/unified_slider_view.h"
#include "base/memory/raw_ptr.h"
#include "base/timer/timer.h"
namespace gfx {
class Insets;
}
namespace ash {
class UnifiedVolumeView;
// Controller of a slider that can change audio volume.
class ASH_EXPORT UnifiedVolumeSliderController : public UnifiedSliderListener {
public:
class Delegate {
public:
Delegate();
virtual ~Delegate();
virtual void OnAudioSettingsButtonClicked() = 0;
base::WeakPtrFactory<Delegate> weak_ptr_factory_{this};
};
// This constructor is for controllers of `UnifiedVolumeView` with a trailing
// settings button that leads to `AudioDetailedView`, i.e. volume slider in
// the Quick Settings main page and Quick Settings toasts. `delegate` is used
// to construct the callback for `more_button_`.
explicit UnifiedVolumeSliderController(Delegate* delegate);
// This constructor is for controllers of a single `UnifiedVolumeView`, i.e.
// volume sliders in `AudioDetailedView`. `delegate_` is set to nullptr.
UnifiedVolumeSliderController();
UnifiedVolumeSliderController(const UnifiedVolumeSliderController&) = delete;
UnifiedVolumeSliderController& operator=(
const UnifiedVolumeSliderController&) = delete;
~UnifiedVolumeSliderController() override;
// Creates a slider view for a specific output device in `AudioDetailedView`.
std::unique_ptr<UnifiedVolumeView> CreateVolumeSlider(
uint64_t device_id,
const gfx::Insets& inside_padding = kRadioSliderViewPadding);
// This callback is used to map the `device_id` to `UnifiedVolumeView` in
// `UnifiedVolumeViewTest`.
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:
const raw_ptr<Delegate, DanglingUntriaged> delegate_;
// Records when the user changes the output volume via slider to metrics.
void RecordVolumeSourceMetric();
// Timer used to prevent the input gain from recording each time the user
// moves the slider while setting the desired volume.
base::DelayTimer output_volume_metric_delay_timer_;
#if DCHECK_IS_ON()
bool created_view_ = false;
#endif
};
} // namespace ash
#endif // ASH_SYSTEM_AUDIO_UNIFIED_VOLUME_SLIDER_CONTROLLER_H_
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