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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_UNIFIED_UNIFIED_SLIDER_VIEW_H_
#define ASH_SYSTEM_UNIFIED_UNIFIED_SLIDER_VIEW_H_
#include "ash/constants/quick_settings_catalogs.h"
#include "ash/style/icon_button.h"
#include "ash/system/unified/quick_settings_slider.h"
#include "base/memory/raw_ptr.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/gfx/vector_icon_types.h"
namespace gfx {
struct VectorIcon;
} // namespace gfx
namespace views {
class Slider;
class View;
} // namespace views
namespace ash {
class UnifiedSliderView;
class UnifiedSliderListener : public views::SliderListener {
public:
~UnifiedSliderListener() override = default;
// Instantiates `UnifiedSliderView`.
virtual std::unique_ptr<UnifiedSliderView> CreateView() = 0;
// Returns the slider catalog name which is used for UMA tracking. Please
// remember to call the corresponding tracking method (`TrackToggleUMA` and
// `TrackValueChangeUMA`) in the `SliderButtonPressed` and
// `SliderValueChanged` implementation.
virtual QsSliderCatalogName GetCatalogName() = 0;
// Tracks the toggling behavior, usually happens in `SliderButtonPressed`.If
// the feature has no `target_toggle_state` state, pass `true` to this method.
void TrackToggleUMA(bool target_toggle_state);
// Tracks slider value change behavior, usually happens in
// `SliderValueChanged`.
void TrackValueChangeUMA(bool going_up);
};
// Base view class of a slider row in `UnifiedSystemTray`. The slider has an
// `ImageView` icon on top of the slider.
class UnifiedSliderView : public views::View {
METADATA_HEADER(UnifiedSliderView, views::View)
public:
// `is_togglable` determines whether `slider_button_` is togglable or not.
// If `read_only` is set, the slider will not accept any user events.
// `slider_style` is `kDefaultSliderStyle` by default. `kRadioSliderStyle`
// should be set explicitly.
UnifiedSliderView(views::Button::PressedCallback callback,
UnifiedSliderListener* listener,
const gfx::VectorIcon& icon,
int accessible_name_id,
bool is_togglable = true,
bool read_only = false,
QuickSettingsSlider::Style slider_style =
QuickSettingsSlider::Style::kDefault);
UnifiedSliderView(const UnifiedSliderView&) = delete;
UnifiedSliderView& operator=(const UnifiedSliderView&) = delete;
~UnifiedSliderView() override;
IconButton* button() { return button_; }
views::Slider* slider() { return slider_; }
IconButton* slider_button() { return slider_button_; }
// Sets a slider value. If `by_user` is false, accessibility events will not
// be triggered.
void SetSliderValue(float value, bool by_user);
// views::View:
void OnEvent(ui::Event* event) override;
private:
raw_ptr<const gfx::VectorIcon> icon_;
const bool is_togglable_;
// Unowned. Owned by views hierarchy.
raw_ptr<IconButton> button_ = nullptr;
raw_ptr<views::Slider> slider_ = nullptr;
raw_ptr<IconButton> slider_button_ = nullptr;
raw_ptr<views::View> container_ = nullptr;
};
} // namespace ash
#endif // ASH_SYSTEM_UNIFIED_UNIFIED_SLIDER_VIEW_H_
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