| // Copyright 2019 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 THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSSOM_CROSS_THREAD_UNIT_VALUE_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSSOM_CROSS_THREAD_UNIT_VALUE_H_ |
| |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/css/css_primitive_value.h" |
| #include "third_party/blink/renderer/core/css/cssom/cross_thread_style_value.h" |
| #include "third_party/blink/renderer/platform/wtf/casting.h" |
| |
| namespace blink { |
| |
| class CSSStyleValue; |
| |
| class CORE_EXPORT CrossThreadUnitValue final : public CrossThreadStyleValue { |
| public: |
| explicit CrossThreadUnitValue(double value, CSSPrimitiveValue::UnitType unit) |
| : value_(value), unit_(unit) {} |
| CrossThreadUnitValue(const CrossThreadUnitValue&) = delete; |
| CrossThreadUnitValue& operator=(const CrossThreadUnitValue&) = delete; |
| ~CrossThreadUnitValue() override = default; |
| |
| StyleValueType GetType() const override { return StyleValueType::kUnitType; } |
| CSSStyleValue* ToCSSStyleValue() override; |
| std::unique_ptr<CrossThreadStyleValue> IsolatedCopy() const override; |
| |
| bool operator==(const CrossThreadStyleValue&) const override; |
| |
| CSSPrimitiveValue::UnitType GetUnitType() const { return unit_; } |
| |
| private: |
| friend class CrossThreadStyleValueTest; |
| |
| double value_; |
| CSSPrimitiveValue::UnitType unit_; |
| }; |
| |
| template <> |
| struct DowncastTraits<CrossThreadUnitValue> { |
| static bool AllowFrom(const CrossThreadStyleValue& unit_value) { |
| return unit_value.GetType() == |
| CrossThreadStyleValue::StyleValueType::kUnitType; |
| } |
| }; |
| |
| } // namespace blink |
| |
| #endif |