third_party/WebKit/Source/core/html/HTMLHRElement.cpp

   1 /*
   2  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
   3  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
   4  * Copyright (C) 2003, 2010 Apple Inc. All rights reserved.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public License
  17  * along with this library; see the file COPYING.LIB.  If not, write to
  18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA 02110-1301, USA.
  20  *
  21  */
  22
  23 #include "config.h"
  24 #include "core/html/HTMLHRElement.h"
  25
  26 #include "core/CSSPropertyNames.h"
  27 #include "core/CSSValueKeywords.h"
  28 #include "core/HTMLNames.h"
  29 #include "core/css/CSSValuePool.h"
  30 #include "core/css/StylePropertySet.h"
  31
  32 namespace blink {
  33
  34 using namespace HTMLNames;
  35
  36 inline HTMLHRElement::HTMLHRElement(Document& document)
  37     : HTMLElement(hrTag, document)
  38 {
  39 }
  40
  41 DEFINE_NODE_FACTORY(HTMLHRElement)
  42
  43 bool HTMLHRElement::isPresentationAttribute(const QualifiedName& name) const
  44 {
  45     if (name == alignAttr || name == widthAttr || name == colorAttr || name == noshadeAttr || name == sizeAttr)
  46         return true;
  47     return HTMLElement::isPresentationAttribute(name);
  48 }
  49
  50 void HTMLHRElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
  51 {
  52     if (name == alignAttr) {
  53         if (equalIgnoringCase(value, "left")) {
  54             addPropertyToPresentationAttributeStyle(style, CSSPropertyMarginLeft, 0, CSSPrimitiveValue::UnitType::Pixels);
  55             addPropertyToPresentationAttributeStyle(style, CSSPropertyMarginRight, CSSValueAuto);
  56         } else if (equalIgnoringCase(value, "right")) {
  57             addPropertyToPresentationAttributeStyle(style, CSSPropertyMarginLeft, CSSValueAuto);
  58             addPropertyToPresentationAttributeStyle(style, CSSPropertyMarginRight, 0, CSSPrimitiveValue::UnitType::Pixels);
  59         } else {
  60             addPropertyToPresentationAttributeStyle(style, CSSPropertyMarginLeft, CSSValueAuto);
  61             addPropertyToPresentationAttributeStyle(style, CSSPropertyMarginRight, CSSValueAuto);
  62         }
  63     } else if (name == widthAttr) {
  64         bool ok;
  65         int v = value.toInt(&ok);
  66         if (ok && !v)
  67             addPropertyToPresentationAttributeStyle(style, CSSPropertyWidth, 1, CSSPrimitiveValue::UnitType::Pixels);
  68         else
  69             addHTMLLengthToStyle(style, CSSPropertyWidth, value);
  70     } else if (name == colorAttr) {
  71         addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderStyle, CSSValueSolid);
  72         addHTMLColorToStyle(style, CSSPropertyBorderColor, value);
  73         addHTMLColorToStyle(style, CSSPropertyBackgroundColor, value);
  74     } else if (name == noshadeAttr) {
  75         if (!hasAttribute(colorAttr)) {
  76             addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderStyle, CSSValueSolid);
  77
  78             RefPtrWillBeRawPtr<CSSPrimitiveValue> darkGrayValue = cssValuePool().createColorValue(Color::darkGray);
  79             style->setProperty(CSSPropertyBorderColor, darkGrayValue);
  80             style->setProperty(CSSPropertyBackgroundColor, darkGrayValue);
  81         }
  82     } else if (name == sizeAttr) {
  83         StringImpl* si = value.impl();
  84         int size = si->toInt();
  85         if (size <= 1)
  86             addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderBottomWidth, 0, CSSPrimitiveValue::UnitType::Pixels);
  87         else
  88             addPropertyToPresentationAttributeStyle(style, CSSPropertyHeight, size - 2, CSSPrimitiveValue::UnitType::Pixels);
  89     } else {
  90         HTMLElement::collectStyleForPresentationAttribute(name, value, style);
  91     }
  92 }
  93
  94 }