chromium/ui/color/color_provider_source_observer.h

// 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.

#ifndef UI_COLOR_COLOR_PROVIDER_SOURCE_OBSERVER_H_
#define UI_COLOR_COLOR_PROVIDER_SOURCE_OBSERVER_H_

#include "base/component_export.h"
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "ui/color/color_provider_source.h"

namespace ui {

// Implemented by classes wanting access to the ColorProviderSource's current
// ColorProvider instance and receives updates on changes to the instance
// supplied. Can only observe a single ColorProviderSource at a time.
class COMPONENT_EXPORT(COLOR) ColorProviderSourceObserver
    : public base::CheckedObserver { … };

}  // namespace ui

#endif  // UI_COLOR_COLOR_PROVIDER_SOURCE_OBSERVER_H_