1 /*
2 * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 *
19 */
20
21 #include "config.h"
22
23 #if ENABLE(WML)
24 #include "WMLElement.h"
25
26 #include "CSSPropertyNames.h"
27 #include "HTMLNames.h"
28 #include "MappedAttribute.h"
29 #include "RenderObject.h"
30 #include "WMLErrorHandling.h"
31 #include "WMLNames.h"
32 #include "WMLVariables.h"
33
34 using std::max;
35 using std::min;
36
37 namespace WebCore {
38
39 using namespace WMLNames;
40
WMLElement(const QualifiedName & tagName,Document * doc)41 WMLElement::WMLElement(const QualifiedName& tagName, Document* doc)
42 : StyledElement(tagName, doc)
43 {
44 }
45
mapToEntry(const QualifiedName & attrName,MappedAttributeEntry & result) const46 bool WMLElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const
47 {
48 if (attrName == HTMLNames::alignAttr) {
49 result = eUniversal;
50 return false;
51 }
52
53 return StyledElement::mapToEntry(attrName, result);
54 }
55
parseMappedAttribute(MappedAttribute * attr)56 void WMLElement::parseMappedAttribute(MappedAttribute* attr)
57 {
58 if (attr->name() == HTMLNames::idAttr
59 || attr->name() == HTMLNames::classAttr
60 || attr->name() == HTMLNames::styleAttr)
61 return StyledElement::parseMappedAttribute(attr);
62
63 if (attr->name() == HTMLNames::alignAttr) {
64 if (equalIgnoringCase(attr->value(), "middle"))
65 addCSSProperty(attr, CSSPropertyTextAlign, "center");
66 else
67 addCSSProperty(attr, CSSPropertyTextAlign, attr->value());
68 } else if (attr->name() == HTMLNames::tabindexAttr) {
69 String indexstring = attr->value();
70 if (indexstring.length()) {
71 bool parsedOK;
72 int tabindex = indexstring.toIntStrict(&parsedOK);
73 if (parsedOK)
74 // Clamp tabindex to the range of 'short' to match Firefox's behavior.
75 setTabIndexExplicitly(max(static_cast<int>(std::numeric_limits<short>::min()), min(tabindex, static_cast<int>(std::numeric_limits<short>::max()))));
76 }
77 }
78 }
79
title() const80 String WMLElement::title() const
81 {
82 return parseValueSubstitutingVariableReferences(getAttribute(HTMLNames::titleAttr));
83 }
84
rendererIsNeeded(RenderStyle * style)85 bool WMLElement::rendererIsNeeded(RenderStyle* style)
86 {
87 return document()->documentElement() == this || style->display() != NONE;
88 }
89
createRenderer(RenderArena *,RenderStyle * style)90 RenderObject* WMLElement::createRenderer(RenderArena*, RenderStyle* style)
91 {
92 return RenderObject::createObject(this, style);
93 }
94
parseValueSubstitutingVariableReferences(const AtomicString & value,WMLErrorCode defaultErrorCode) const95 String WMLElement::parseValueSubstitutingVariableReferences(const AtomicString& value, WMLErrorCode defaultErrorCode) const
96 {
97 bool isValid = false;
98 if (!containsVariableReference(value, isValid))
99 return value;
100
101 if (!isValid) {
102 reportWMLError(document(), defaultErrorCode);
103 return String();
104 }
105
106 return substituteVariableReferences(value, document());
107 }
108
parseValueForbiddingVariableReferences(const AtomicString & value) const109 String WMLElement::parseValueForbiddingVariableReferences(const AtomicString& value) const
110 {
111 bool isValid = false;
112 if (containsVariableReference(value, isValid)) {
113 reportWMLError(document(), WMLErrorInvalidVariableReferenceLocation);
114 return String();
115 }
116
117 return value;
118 }
119
120 }
121
122 #endif
123