chromium/ui/color/color_provider.h

// Copyright 2019 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_H_
#define UI_COLOR_COLOR_PROVIDER_H_

#include <forward_list>
#include <map>
#include <memory>
#include <optional>

#include "base/component_export.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/color/color_id.h"
#include "ui/color/color_mixer.h"

namespace ui {

// A ColorProvider holds the complete pipeline of ColorMixers that compute
// result colors for UI elements.  ColorProvider is meant to be a long-lived
// object whose internal list of mixers does not change after initial
// construction.  Separate ColorProviders should be instantiated for e.g.
// windows with different themes.
// TODO(pkasting): Figure out ownership model and lifetime.
class COMPONENT_EXPORT(COLOR) ColorProvider { … };

}  // namespace ui

#endif  // UI_COLOR_COLOR_PROVIDER_H_