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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/system/keyboard_brightness/keyboard_backlight_toggle_controller.h"
#include "ash/constants/ash_features.h"
#include "ash/constants/quick_settings_catalogs.h"
#include "ash/resources/vector_icons/vector_icons.h"
#include "ash/strings/grit/ash_strings.h"
#include "ash/style/ash_color_id.h"
#include "ash/style/icon_button.h"
#include "ash/style/typography.h"
#include "ash/system/tray/tray_popup_utils.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 "chromeos/constants/chromeos_features.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/views/controls/label.h"
namespace ash {
namespace {
class UnifiedKeyboardBacklightToggleView
: public UnifiedSliderView,
public UnifiedSystemTrayModel::Observer {
public:
UnifiedKeyboardBacklightToggleView(
KeyboardBacklightToggleController* controller,
UnifiedSystemTrayModel* model,
bool toggled_on)
// TODO(b/298085976): Instead of inheriting from `UnifiedSliderView`, this
// should be a toast created through the ToastManager.
: UnifiedSliderView(views::Button::PressedCallback(),
controller,
kUnifiedMenuKeyboardBrightnessIcon,
IDS_ASH_STATUS_TRAY_BRIGHTNESS,
/*is_togglable=*/false,
/*read_only=*/true),
model_(model) {
model_->AddObserver(this);
icon_button_ = AddChildView(std::make_unique<IconButton>(
views::Button::PressedCallback(), IconButton::Type::kMedium,
/*icon=*/&kUnifiedMenuKeyboardBrightnessIcon,
/*accessible_name_id=*/IDS_ASH_STATUS_TRAY_BRIGHTNESS,
/*is_togglable=*/false,
/*has_border=*/true));
icon_button_->SetCanProcessEventsWithinSubtree(/*can_process=*/false);
toast_label_ =
AddChildView(std::make_unique<views::Label>(l10n_util::GetStringUTF16(
toggled_on ? IDS_ASH_STATUS_AREA_TOAST_KBL_ON
: IDS_ASH_STATUS_AREA_TOAST_KBL_OFF)));
toast_label_->SetEnabledColor(cros_tokens::kCrosSysOnSurface);
TypographyProvider::Get()->StyleLabel(TypographyToken::kCrosBody2,
*toast_label_);
slider()->SetVisible(false);
}
UnifiedKeyboardBacklightToggleView(
const UnifiedKeyboardBacklightToggleView&) = delete;
UnifiedKeyboardBacklightToggleView& operator=(
const UnifiedKeyboardBacklightToggleView&) = delete;
~UnifiedKeyboardBacklightToggleView() override {
model_->RemoveObserver(this);
}
// UnifiedSystemTrayModel::Observer:
void OnKeyboardBrightnessChanged(
power_manager::BacklightBrightnessChange_Cause cause) override {
DCHECK(toast_label_);
toast_label_->SetText(l10n_util::GetStringUTF16(
cause == power_manager::BacklightBrightnessChange_Cause_USER_TOGGLED_OFF
? IDS_ASH_STATUS_AREA_TOAST_KBL_OFF
: IDS_ASH_STATUS_AREA_TOAST_KBL_ON));
}
private:
const raw_ptr<UnifiedSystemTrayModel> model_;
// Owned by the views hierarchy.
raw_ptr<views::Label> toast_label_ = nullptr;
raw_ptr<IconButton> icon_button_ = nullptr;
};
} // namespace
KeyboardBacklightToggleController::KeyboardBacklightToggleController(
UnifiedSystemTrayModel* model,
bool toggled_on)
: model_(model), toggled_on_(toggled_on) {}
KeyboardBacklightToggleController::~KeyboardBacklightToggleController() =
default;
std::unique_ptr<UnifiedSliderView>
KeyboardBacklightToggleController::CreateView() {
#if DCHECK_IS_ON()
DCHECK(!created_view_);
created_view_ = true;
#endif
return std::make_unique<UnifiedKeyboardBacklightToggleView>(this, model_,
toggled_on_);
}
QsSliderCatalogName KeyboardBacklightToggleController::GetCatalogName() {
return QsSliderCatalogName::kKeyboardBrightness;
}
void KeyboardBacklightToggleController::SliderValueChanged(
views::Slider* sender,
float value,
float old_value,
views::SliderChangeReason reason) {
NOTREACHED();
}
} // namespace ash
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