111 lines
3.8 KiB
C++
111 lines
3.8 KiB
C++
/*
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* Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
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* Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include "CSSPrimitiveValue.h"
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#include <wtf/RefPtr.h>
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#include <wtf/text/StringBuilder.h>
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namespace WebCore {
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class RectBase {
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public:
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CSSPrimitiveValue* top() const { return m_top.get(); }
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CSSPrimitiveValue* right() const { return m_right.get(); }
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CSSPrimitiveValue* bottom() const { return m_bottom.get(); }
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CSSPrimitiveValue* left() const { return m_left.get(); }
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void setTop(RefPtr<CSSPrimitiveValue>&& top) { m_top = WTFMove(top); }
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void setRight(RefPtr<CSSPrimitiveValue>&& right) { m_right = WTFMove(right); }
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void setBottom(RefPtr<CSSPrimitiveValue>&& bottom) { m_bottom = WTFMove(bottom); }
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void setLeft(RefPtr<CSSPrimitiveValue>&& left) { m_left = WTFMove(left); }
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bool equals(const RectBase& other) const
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{
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return compareCSSValuePtr(m_top, other.m_top)
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&& compareCSSValuePtr(m_right, other.m_right)
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&& compareCSSValuePtr(m_left, other.m_left)
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&& compareCSSValuePtr(m_bottom, other.m_bottom);
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}
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protected:
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RectBase() = default;
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~RectBase() = default;
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private:
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RefPtr<CSSPrimitiveValue> m_top;
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RefPtr<CSSPrimitiveValue> m_right;
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RefPtr<CSSPrimitiveValue> m_bottom;
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RefPtr<CSSPrimitiveValue> m_left;
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};
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class Rect final : public RectBase, public RefCounted<Rect> {
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public:
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static Ref<Rect> create() { return adoptRef(*new Rect); }
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String cssText() const
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{
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return generateCSSString(top()->cssText(), right()->cssText(), bottom()->cssText(), left()->cssText());
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}
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private:
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Rect() = default;
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static String generateCSSString(const String& top, const String& right, const String& bottom, const String& left)
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{
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return "rect(" + top + ", " + right + ", " + bottom + ", " + left + ')';
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}
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};
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class Quad final : public RectBase, public RefCounted<Quad> {
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public:
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static Ref<Quad> create() { return adoptRef(*new Quad); }
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String cssText() const
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{
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return generateCSSString(top()->cssText(), right()->cssText(), bottom()->cssText(), left()->cssText());
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}
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private:
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Quad() = default;
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static String generateCSSString(const String& top, const String& right, const String& bottom, const String& left)
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{
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StringBuilder result;
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// reserve space for the four strings, plus three space separator characters.
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result.reserveCapacity(top.length() + right.length() + bottom.length() + left.length() + 3);
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result.append(top);
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if (right != top || bottom != top || left != top) {
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result.append(' ');
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result.append(right);
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if (bottom != top || right != left) {
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result.append(' ');
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result.append(bottom);
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if (left != right) {
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result.append(' ');
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result.append(left);
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}
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}
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}
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return result.toString();
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}
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};
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} // namespace WebCore
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