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
32namespace blink {
33
34using namespace HTMLNames;
35
36inline HTMLHRElement::HTMLHRElement(Document& document)
37    : HTMLElement(hrTag, document)
38{
39}
40
41DEFINE_NODE_FACTORY(HTMLHRElement)
42
43bool 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
50void 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::CSS_PX);
55            addPropertyToPresentationAttributeStyle(style, CSSPropertyMarginRight, CSSValueAuto);
56        } else if (equalIgnoringCase(value, "right")) {
57            addPropertyToPresentationAttributeStyle(style, CSSPropertyMarginLeft, CSSValueAuto);
58            addPropertyToPresentationAttributeStyle(style, CSSPropertyMarginRight, 0, CSSPrimitiveValue::CSS_PX);
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::CSS_PX);
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::CSS_PX);
87        else
88            addPropertyToPresentationAttributeStyle(style, CSSPropertyHeight, size - 2, CSSPrimitiveValue::CSS_PX);
89    } else
90        HTMLElement::collectStyleForPresentationAttribute(name, value, style);
91}
92
93}
94