| /* |
| * (C) 1999-2003 Lars Knoll (knoll@kde.org) |
| * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef CSSValuePair_h |
| #define CSSValuePair_h |
| |
| #include "core/CoreExport.h" |
| #include "core/css/CSSValue.h" |
| #include "platform/wtf/text/WTFString.h" |
| |
| namespace blink { |
| |
| class CORE_EXPORT CSSValuePair : public CSSValue { |
| public: |
| enum IdenticalValuesPolicy { kDropIdenticalValues, kKeepIdenticalValues }; |
| |
| static CSSValuePair* Create(const CSSValue* first, |
| const CSSValue* second, |
| IdenticalValuesPolicy identical_values_policy) { |
| return new CSSValuePair(first, second, identical_values_policy); |
| } |
| |
| const CSSValue& First() const { return *first_; } |
| const CSSValue& Second() const { return *second_; } |
| |
| String CustomCSSText() const { |
| String first = first_->CssText(); |
| String second = second_->CssText(); |
| if (identical_values_policy_ == kDropIdenticalValues && first == second) |
| return first; |
| return first + ' ' + second; |
| } |
| |
| bool Equals(const CSSValuePair& other) const { |
| DCHECK_EQ(identical_values_policy_, other.identical_values_policy_); |
| return DataEquivalent(first_, other.first_) && |
| DataEquivalent(second_, other.second_); |
| } |
| |
| DECLARE_TRACE_AFTER_DISPATCH(); |
| |
| private: |
| CSSValuePair(const CSSValue* first, |
| const CSSValue* second, |
| IdenticalValuesPolicy identical_values_policy) |
| : CSSValue(kValuePairClass), |
| first_(first), |
| second_(second), |
| identical_values_policy_(identical_values_policy) { |
| DCHECK(first_); |
| DCHECK(second_); |
| } |
| |
| Member<const CSSValue> first_; |
| Member<const CSSValue> second_; |
| IdenticalValuesPolicy identical_values_policy_; |
| }; |
| |
| DEFINE_CSS_VALUE_TYPE_CASTS(CSSValuePair, IsValuePair()); |
| |
| } // namespace blink |
| |
| #endif // CSSValuePair_h |