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// 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_ANDROID_COLOR_UTILS_ANDROID_H_
#define UI_ANDROID_COLOR_UTILS_ANDROID_H_
#include <stdint.h>
#include <limits>
#include <optional>
#include <string>
#include "third_party/skia/include/core/SkColor.h"
#include "ui/android/ui_android_export.h"
namespace ui {
UI_ANDROID_EXPORT constexpr int64_t kInvalidJavaColor =
static_cast<int64_t>(std::numeric_limits<int32_t>::max()) + 1;
// Converts |color| to a CSS color string. If |color| is null, the empty string
// is returned.
UI_ANDROID_EXPORT std::string OptionalSkColorToString(
const std::optional<SkColor>& color);
// Conversions between a Java color and an Optional<SkColor>. Java colors are
// represented as 64-bit signed integers. Valid colors are in the range
// [std::numeric_limits<int32_t>::min(), std::numeric_limits<int32_t>::max()].
// while |kInvalidJavaColor| is reserved for representing a null/unset color.
UI_ANDROID_EXPORT int64_t
OptionalSkColorToJavaColor(const std::optional<SkColor>& skcolor);
UI_ANDROID_EXPORT std::optional<SkColor> JavaColorToOptionalSkColor(
int64_t java_color);
} // namespace ui
#endif // UI_ANDROID_COLOR_UTILS_ANDROID_H_
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