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- // Copyright (c) 2012 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 UI_GFX_SYS_COLOR_CHANGE_LISTENER_H_
- #define UI_GFX_SYS_COLOR_CHANGE_LISTENER_H_
- #include "base/memory/raw_ptr.h"
- #include "ui/gfx/gfx_export.h"
- namespace gfx {
- // Interface for classes that want to listen to system color changes.
- class GFX_EXPORT SysColorChangeListener {
- public:
- virtual void OnSysColorChange() = 0;
- protected:
- virtual ~SysColorChangeListener() {}
- };
- // Create an instance of this class in any object that wants to listen
- // for system color changes.
- class GFX_EXPORT ScopedSysColorChangeListener {
- public:
- explicit ScopedSysColorChangeListener(SysColorChangeListener* listener);
- ScopedSysColorChangeListener(const ScopedSysColorChangeListener&) = delete;
- ScopedSysColorChangeListener& operator=(const ScopedSysColorChangeListener&) =
- delete;
- ~ScopedSysColorChangeListener();
- private:
- raw_ptr<SysColorChangeListener> listener_;
- };
- } // namespace gfx;
- #endif // UI_GFX_SYS_COLOR_CHANGE_LISTENER_H_
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