blob: 4dadc228cb2cc00ab499c3a20d670e2599a562a6 [file] [log] [blame]
// Copyright 2018 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_ANDROID_COLOR_HELPERS_H_
#define UI_ANDROID_COLOR_HELPERS_H_
#include <stdint.h>
#include <limits>
#include <string>
#include "third_party/abseil-cpp/absl/types/optional.h"
#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 absl::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 absl::optional<SkColor>& skcolor);
UI_ANDROID_EXPORT absl::optional<SkColor> JavaColorToOptionalSkColor(
int64_t java_color);
} // namespace ui
#endif // UI_ANDROID_COLOR_HELPERS_H_