15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (C) 1999-2003 Lars Knoll (knoll@kde.org) 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef Pair_h 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define Pair_h 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2453e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/css/CSSPrimitiveValue.h" 25e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch#include "wtf/PassRefPtr.h" 26e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch#include "wtf/RefCounted.h" 27e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch#include "wtf/text/StringBuilder.h" 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 29c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// A primitive value representing a pair. This is useful for properties like border-radius, background-size/position, 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// and border-spacing (all of which are space-separated sets of two values). At the moment we are only using it for 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// border-radius and background-size, but (FIXME) border-spacing and background-position could be converted over to use 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// it (eliminating some extra -webkit- internal properties). 3509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)class Pair FINAL : public RefCountedWillBeGarbageCollected<Pair> { 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 3706f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) enum IdenticalValuesPolicy { DropIdenticalValues, KeepIdenticalValues }; 3806f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) 3909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) static PassRefPtrWillBeRawPtr<Pair> create(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> first, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> second, 4009380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) IdenticalValuesPolicy identicalValuesPolicy) 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 4209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) return adoptRefWillBeNoop(new Pair(first, second, identicalValuesPolicy)); 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) CSSPrimitiveValue* first() const { return m_first.get(); } 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) CSSPrimitiveValue* second() const { return m_second.get(); } 4706f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) IdenticalValuesPolicy identicalValuesPolicy() const { return m_identicalValuesPolicy; } 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) void setFirst(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> first) { m_first = first; } 5009380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) void setSecond(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> second) { m_second = second; } 5106f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) void setIdenticalValuesPolicy(IdenticalValuesPolicy identicalValuesPolicy) { m_identicalValuesPolicy = identicalValuesPolicy; } 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) String cssText() const 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 5506f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) return generateCSSString(first()->cssText(), second()->cssText(), m_identicalValuesPolicy); 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 5806f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) bool equals(const Pair& other) const 5906f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) { 6006f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) return compareCSSValuePtr(m_first, other.m_first) 6106f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) && compareCSSValuePtr(m_second, other.m_second) 6206f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) && m_identicalValuesPolicy == other.m_identicalValuesPolicy; 6306f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) } 64926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 6509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) void trace(Visitor*); 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 6806f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) Pair() 69d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) : m_first(nullptr) 70d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) , m_second(nullptr) 7106f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) , m_identicalValuesPolicy(DropIdenticalValues) { } 7206f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) 7309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) Pair(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> first, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> second, IdenticalValuesPolicy identicalValuesPolicy) 7406f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) : m_first(first) 7506f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) , m_second(second) 7606f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) , m_identicalValuesPolicy(identicalValuesPolicy) { } 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 7806f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) static String generateCSSString(const String& first, const String& second, IdenticalValuesPolicy identicalValuesPolicy) 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 8006f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) if (identicalValuesPolicy == DropIdenticalValues && first == second) 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return first; 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return first + ' ' + second; 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 8509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) RefPtrWillBeMember<CSSPrimitiveValue> m_first; 8609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) RefPtrWillBeMember<CSSPrimitiveValue> m_second; 8706f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) IdenticalValuesPolicy m_identicalValuesPolicy; 885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} // namespace 915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif 93