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- // Copyright 2021 The Chromium Authors. All rights reserved.
- // 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/resources/vector_icons/vector_icons.h"
- #include "ash/strings/grit/ash_strings.h"
- #include "ash/style/ash_color_provider.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 "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)
- : UnifiedSliderView(views::Button::PressedCallback(),
- controller,
- kUnifiedMenuKeyboardBrightnessIcon,
- IDS_ASH_STATUS_TRAY_BRIGHTNESS,
- true /* readonly*/),
- model_(model) {
- model_->AddObserver(this);
- toast_label_ = AddChildView(std::make_unique<views::Label>());
- TrayPopupUtils::SetLabelFontList(toast_label_,
- TrayPopupUtils::FontStyle::kPodMenuHeader);
- slider()->SetVisible(false);
- }
- UnifiedKeyboardBacklightToggleView(
- const UnifiedKeyboardBacklightToggleView&) = delete;
- UnifiedKeyboardBacklightToggleView& operator=(
- const UnifiedKeyboardBacklightToggleView&) = delete;
- ~UnifiedKeyboardBacklightToggleView() override {
- model_->RemoveObserver(this);
- }
- void OnThemeChanged() override {
- views::View::OnThemeChanged();
- DCHECK(toast_label_);
- toast_label_->SetEnabledColor(AshColorProvider::Get()->GetContentLayerColor(
- AshColorProvider::ContentLayerType::kTextColorPrimary));
- }
- // 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:
- UnifiedSystemTrayModel* const model_;
- views::Label* toast_label_ = nullptr;
- };
- } // namespace
- KeyboardBacklightToggleController::KeyboardBacklightToggleController(
- UnifiedSystemTrayModel* model)
- : model_(model) {}
- KeyboardBacklightToggleController::~KeyboardBacklightToggleController() =
- default;
- views::View* KeyboardBacklightToggleController::CreateView() {
- DCHECK(!slider_);
- slider_ = new UnifiedKeyboardBacklightToggleView(this, model_);
- return slider_;
- }
- void KeyboardBacklightToggleController::SliderValueChanged(
- views::Slider* sender,
- float value,
- float old_value,
- views::SliderChangeReason reason) {
- NOTREACHED();
- }
- } // namespace ash
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