/* * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org) * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. * * 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 Rect_h #define Rect_h #include "CSSPrimitiveValue.h" #include #include namespace WebCore { class RectBase { public: CSSPrimitiveValue* top() const { return m_top.get(); } CSSPrimitiveValue* right() const { return m_right.get(); } CSSPrimitiveValue* bottom() const { return m_bottom.get(); } CSSPrimitiveValue* left() const { return m_left.get(); } void setTop(PassRefPtr top) { m_top = top; } void setRight(PassRefPtr right) { m_right = right; } void setBottom(PassRefPtr bottom) { m_bottom = bottom; } void setLeft(PassRefPtr left) { m_left = left; } bool equals(const RectBase& other) const { return compareCSSValuePtr(m_top, other.m_top) && compareCSSValuePtr(m_right, other.m_right) && compareCSSValuePtr(m_left, other.m_left) && compareCSSValuePtr(m_bottom, other.m_bottom); } protected: RectBase() { } RectBase(const RectBase& cloneFrom) : m_top(cloneFrom.m_top ? cloneFrom.m_top->cloneForCSSOM() : 0) , m_right(cloneFrom.m_right ? cloneFrom.m_right->cloneForCSSOM() : 0) , m_bottom(cloneFrom.m_bottom ? cloneFrom.m_bottom->cloneForCSSOM() : 0) , m_left(cloneFrom.m_left ? cloneFrom.m_left->cloneForCSSOM() : 0) { } ~RectBase() { } private: RefPtr m_top; RefPtr m_right; RefPtr m_bottom; RefPtr m_left; }; class Rect : public RectBase, public RefCounted { public: static Ref create() { return adoptRef(*new Rect); } Ref cloneForCSSOM() const { return adoptRef(*new Rect(*this)); } String cssText() const { return generateCSSString(top()->cssText(), right()->cssText(), bottom()->cssText(), left()->cssText()); } private: Rect() { } Rect(const Rect& cloneFrom) : RectBase(cloneFrom), RefCounted() { } static String generateCSSString(const String& top, const String& right, const String& bottom, const String& left) { return "rect(" + top + ", " + right + ", " + bottom + ", " + left + ')'; } }; class Quad : public RectBase, public RefCounted { public: static Ref create() { return adoptRef(*new Quad); } Ref cloneForCSSOM() const { return adoptRef(*new Quad(*this)); } String cssText() const { return generateCSSString(top()->cssText(), right()->cssText(), bottom()->cssText(), left()->cssText()); } private: Quad() { } Quad(const Quad& cloneFrom) : RectBase(cloneFrom), RefCounted() { } static String generateCSSString(const String& top, const String& right, const String& bottom, const String& left) { StringBuilder result; // reserve space for the four strings, plus three space separator characters. result.reserveCapacity(top.length() + right.length() + bottom.length() + left.length() + 3); result.append(top); if (right != top || bottom != top || left != top) { result.append(' '); result.append(right); if (bottom != top || right != left) { result.append(' '); result.append(bottom); if (left != right) { result.append(' '); result.append(left); } } } return result.toString(); } }; } // namespace WebCore #endif // Rect_h