1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 |
- // Copyright 2022 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.
- #ifndef ASH_AMBIENT_UI_AMBIENT_ANIMATION_SHIELD_CONTROLLER_H_
- #define ASH_AMBIENT_UI_AMBIENT_ANIMATION_SHIELD_CONTROLLER_H_
- #include <memory>
- #include "ash/ash_export.h"
- #include "ash/public/cpp/style/color_mode_observer.h"
- #include "ash/style/dark_light_mode_controller_impl.h"
- #include "base/memory/raw_ptr.h"
- #include "base/scoped_observation.h"
- namespace views {
- class View;
- } // namespace views
- namespace ash {
- // Adds a view containing a dark-mode "shield" to the UI hierarchy whenever dark
- // mode is active, and removes it whenever light mode is active. The "shield"
- // view's details are up to the caller but is intended to paint some form of
- // a "dark" layer on top of the actual contents only when dark mode is active.
- //
- // The shield UX requirements for animated mode do not overlap enough with the
- // gradient-based AmbientShieldView to be re-used.
- class ASH_EXPORT AmbientAnimationShieldController : public ColorModeObserver {
- public:
- AmbientAnimationShieldController(std::unique_ptr<views::View> shield_view,
- views::View* parent_view);
- AmbientAnimationShieldController(const AmbientAnimationShieldController&) =
- delete;
- AmbientAnimationShieldController& operator=(
- const AmbientAnimationShieldController&) = delete;
- ~AmbientAnimationShieldController() override;
- private:
- void OnColorModeChanged(bool dark_mode_enabled) override;
- const std::unique_ptr<views::View> shield_view_;
- const base::raw_ptr<views::View> parent_view_;
- base::ScopedObservation<DarkLightModeControllerImpl, ColorModeObserver>
- color_provider_observer_{this};
- };
- } // namespace ash
- #endif // ASH_AMBIENT_UI_AMBIENT_ANIMATION_SHIELD_CONTROLLER_H_
|