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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_BRIGHTNESS_UNIFIED_BRIGHTNESS_VIEW_H_
#define ASH_SYSTEM_BRIGHTNESS_UNIFIED_BRIGHTNESS_VIEW_H_
#include <array>
#include "ash/ash_export.h"
#include "ash/resources/vector_icons/vector_icons.h"
#include "ash/system/brightness/unified_brightness_slider_controller.h"
#include "ash/system/night_light/night_light_controller_impl.h"
#include "ash/system/unified/unified_slider_view.h"
#include "ash/system/unified/unified_system_tray_model.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "ui/base/metadata/metadata_header_macros.h"
namespace ash {
// View of a slider that can change display brightness. It observes current
// brightness level from UnifiedSystemTrayModel.
class ASH_EXPORT UnifiedBrightnessView
: public UnifiedSliderView,
public UnifiedSystemTrayModel::Observer {
METADATA_HEADER(UnifiedBrightnessView, UnifiedSliderView)
public:
UnifiedBrightnessView(UnifiedBrightnessSliderController* controller,
scoped_refptr<UnifiedSystemTrayModel> model,
std::optional<views::Button::PressedCallback>
detailed_button_callback = std::nullopt);
UnifiedBrightnessView(const UnifiedBrightnessView&) = delete;
UnifiedBrightnessView& operator=(const UnifiedBrightnessView&) = delete;
~UnifiedBrightnessView() override;
// UnifiedSystemTrayModel::Observer:
void OnDisplayBrightnessChanged(bool by_user) override;
// References to the icons that correspond to different brightness levels.
// Used in the `QuickSettingsSlider`. Defined as a public member to be used in
// tests.
// clang-format off
static constexpr std::array<const gfx::VectorIcon*, 3>
kBrightnessLevelIcons = {
&kUnifiedMenuBrightnessLowIcon, // Low brightness.
&kUnifiedMenuBrightnessMediumIcon, // Medium brightness.
&kUnifiedMenuBrightnessHighIcon, // High brightness.
};
// clang-format on
// The maximum index of `kBrightnessLevelIcons`.
static constexpr int kBrightnessLevels = kBrightnessLevelIcons.size() - 1;
IconButton* more_button() { return more_button_; }
IconButton* night_light_button() { return night_light_button_; }
private:
friend class UnifiedBrightnessViewTest;
// Get vector icon reference that corresponds to the given brightness level.
// `level` is between 0.0 to 1.0.
const gfx::VectorIcon& GetBrightnessIconForLevel(float level);
// Callback called when `night_light_button_` is pressed.
void OnNightLightButtonPressed();
// Updates the icon and tooltip of `night_light_button_`.
void UpdateNightLightButton();
// UnifiedSliderView::
void VisibilityChanged(View* starting_from, bool is_visible) override;
scoped_refptr<UnifiedSystemTrayModel> model_;
const raw_ptr<NightLightControllerImpl> night_light_controller_;
// Owned by the views hierarchy.
raw_ptr<IconButton> night_light_button_ = nullptr;
raw_ptr<IconButton> more_button_ = nullptr;
};
} // namespace ash
#endif // ASH_SYSTEM_BRIGHTNESS_UNIFIED_BRIGHTNESS_VIEW_H_
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