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// Copyright 2022 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_UNIFIED_QUICK_SETTINGS_SLIDER_H_
#define ASH_SYSTEM_UNIFIED_QUICK_SETTINGS_SLIDER_H_
#include "ash/ash_export.h"
#include "ui/views/controls/slider.h"
namespace gfx {
class Canvas;
} // namespace gfx
namespace views {
class View;
} // namespace views
namespace ui {
class Event;
} // namespace ui
namespace ash {
// This slider view is used in quick settings in the status area. It will be
// used in the `QuickSettingsView` and `TrayBubbleView`. This slider view
// supports different styles. `kDefault` slider is used in `QuickSettingsView`
// and in `TrayBubbleView`. `kRadioActive` slider will be used for the active
// input/output device in `AudioDetailedView`. `kRadioInactive` slider will be
// used for the inactive device in `AudioDetailedView`.
class ASH_EXPORT QuickSettingsSlider : public views::Slider {
METADATA_HEADER(QuickSettingsSlider, views::Slider)
public:
// Represents the style of the slider.
enum class Style {
// Represents the slider where the full part is a rounded corner rectangle
// with a height of `kFullSliderThickness`, and the empty part is a rounded
// corner rectangle with a height of `kEmptySliderThickness`. These two
// parts are center-aligned horizontally. The ends of both parts have fully
// rounded corners.
kDefault,
// Same style as `kDefault`, except for the thumb and trough are in gray for
// the muted default sliders.
kDefaultMuted,
// Represents the style where both the full part and the empty part of the
// slider have a height of `kFullSliderThickness`. The ends are fully
// rounded.
kRadioActive,
// Same style as `kRadioActive`, except for the thumb and trough are in
// gray for the muted radio sliders. Only the active radio sliders will have
// the muted state.
kRadioActiveMuted,
// Represents the style where the full part and the empty part also have the
// same height of `kFullSliderThickness`, except that the ends are not fully
// rounded but have a radius of `kInactiveRadioSliderRoundedRadius`.
kRadioInactive
};
QuickSettingsSlider(views::SliderListener* listener, Style slider_style);
QuickSettingsSlider(const QuickSettingsSlider&) = delete;
QuickSettingsSlider& operator=(const QuickSettingsSlider&) = delete;
~QuickSettingsSlider() override;
// Setter and Getter of the slider style. Schedules paint after setting the
// style since styles and colors may change for the radio sliders because of
// the active status change. If the slider is the `kRadioInactive`, also
// disables the focus behavior for it.
void SetSliderStyle(Style style);
Style slider_style() const { return slider_style_; }
// Gets the bounds and rounded corner radius for `kRadioInactive` to draw the
// focus ring around it in `AudioDetailedView`.
gfx::Rect GetInactiveRadioSliderRect();
int GetInactiveRadioSliderRoundedCornerRadius();
void SetIsToggleableVolumeSlider(bool is_toggleable_volume_slider);
bool is_toggleable_volume_slider() { return is_toggleable_volume_slider_; }
private:
// views::Slider:
SkColor GetThumbColor() const override;
SkColor GetTroughColor() const override;
void AddedToWidget() override;
void UpdateAccessibleValue() override;
// views::View:
void OnPaint(gfx::Canvas* canvas) override;
void OnThemeChanged() override;
// The style of the slider.
Style slider_style_;
// Indicates if the slider can be toggled to mute/unmute volume. Used for
// additional accessibility warnings to make sure a user cannot accidentally
// turn off volume.
bool is_toggleable_volume_slider_ = false;
};
// A slider that ignores inputs. This will be used in the
// `UnifiedKeyboardBrightnessView` and `UnifiedKeyboardBacklightToggleView`.
class ASH_EXPORT ReadOnlySlider : public QuickSettingsSlider {
METADATA_HEADER(ReadOnlySlider, QuickSettingsSlider)
public:
explicit ReadOnlySlider(Style slider_style);
ReadOnlySlider(const ReadOnlySlider&) = delete;
ReadOnlySlider& operator=(const ReadOnlySlider&) = delete;
~ReadOnlySlider() override;
private:
// views::View:
bool CanAcceptEvent(const ui::Event& event) override;
};
} // namespace ash
#endif // ASH_SYSTEM_UNIFIED_QUICK_SETTINGS_SLIDER_H_
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