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- // 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_STYLE_ASH_COLOR_PROVIDER_SOURCE_H_
- #define ASH_STYLE_ASH_COLOR_PROVIDER_SOURCE_H_
- #include "ash/ash_export.h"
- #include "base/scoped_observation.h"
- #include "ui/color/color_provider_source.h"
- #include "ui/native_theme/native_theme.h"
- #include "ui/native_theme/native_theme_observer.h"
- namespace ash {
- // A ColorProviderSource used when we need to apply color on an object which is
- // not in the view hierarchy and there's no related widget anywhere we can plumb
- // across from.
- class ASH_EXPORT AshColorProviderSource : public ui::ColorProviderSource,
- public ui::NativeThemeObserver {
- public:
- AshColorProviderSource();
- AshColorProviderSource(const AshColorProviderSource&) = delete;
- AshColorProviderSource& operator=(const AshColorProviderSource&) = delete;
- ~AshColorProviderSource() override;
- // ui::ColorProviderSource:
- const ui::ColorProvider* GetColorProvider() const override;
- // ui::NativeThemeObserver:
- void OnNativeThemeUpdated(ui::NativeTheme* observed_theme) override;
- protected:
- // ui::ColorProviderSource:
- ui::ColorProviderManager::Key GetColorProviderKey() const override;
- private:
- base::ScopedObservation<ui::NativeTheme, ui::NativeThemeObserver>
- native_theme_observation_{this};
- };
- } // namespace ash
- #endif // ASH_STYLE_ASH_COLOR_PROVIDER_SOURCE_H_
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