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      1 /**
      2  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
      3  *
      4  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      5  *           (C) 1999 Antti Koivisto (koivisto (at) kde.org)
      6  *
      7  * This library is free software; you can redistribute it and/or
      8  * modify it under the terms of the GNU Library General Public
      9  * License as published by the Free Software Foundation; either
     10  * version 2 of the License, or (at your option) any later version.
     11  *
     12  * This library is distributed in the hope that it will be useful,
     13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     15  * Library General Public License for more details.
     16  *
     17  * You should have received a copy of the GNU Library General Public License
     18  * along with this library; see the file COPYING.LIB.  If not, write to
     19  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     20  * Boston, MA 02110-1301, USA.
     21  *
     22  */
     23 
     24 #include "config.h"
     25 
     26 #if ENABLE(WML)
     27 #include "WMLPElement.h"
     28 
     29 #include "Attribute.h"
     30 #include "CSSPropertyNames.h"
     31 #include "CSSValueKeywords.h"
     32 #include "Document.h"
     33 #include "HTMLNames.h"
     34 #include "NodeList.h"
     35 #include "WMLNames.h"
     36 
     37 namespace WebCore {
     38 
     39 using namespace WMLNames;
     40 
     41 WMLPElement::WMLPElement(const QualifiedName& tagName, Document* doc)
     42     : WMLElement(tagName, doc)
     43 {
     44 }
     45 
     46 PassRefPtr<WMLPElement> WMLPElement::create(const QualifiedName& tagName, Document* document)
     47 {
     48     return adoptRef(new WMLPElement(tagName, document));
     49 }
     50 
     51 bool WMLPElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const
     52 {
     53     if (attrName == HTMLNames::alignAttr) {
     54         result = eBlock; // We can share with DIV here.
     55         return false;
     56     }
     57 
     58     return WMLElement::mapToEntry(attrName, result);
     59 }
     60 
     61 void WMLPElement::parseMappedAttribute(Attribute* attr)
     62 {
     63     if (attr->name() == HTMLNames::alignAttr) {
     64         const AtomicString& value = attr->value();
     65         if (equalIgnoringCase(value, "middle") || equalIgnoringCase(value, "center"))
     66             addCSSProperty(attr, CSSPropertyTextAlign, CSSValueWebkitCenter);
     67         else if (equalIgnoringCase(value, "left"))
     68             addCSSProperty(attr, CSSPropertyTextAlign, CSSValueWebkitLeft);
     69         else if (equalIgnoringCase(value, "right"))
     70             addCSSProperty(attr, CSSPropertyTextAlign, CSSValueWebkitRight);
     71         else
     72             addCSSProperty(attr, CSSPropertyTextAlign, value);
     73     } else if (attr->name() == modeAttr) {
     74         m_mode = attr->value();
     75         if (m_mode == "wrap")
     76             addCSSProperty(attr, CSSPropertyWordWrap, CSSValueBreakWord);
     77         else if (m_mode == "nowrap")
     78             addCSSProperty(attr, CSSPropertyWhiteSpace, CSSValueNowrap);
     79     } else
     80         WMLElement::parseMappedAttribute(attr);
     81 }
     82 
     83 void WMLPElement::insertedIntoDocument()
     84 {
     85     WMLElement::insertedIntoDocument();
     86 
     87     // If not explicitly specified, the linewrap mode is identical to
     88     // the line-wrap mode of the previous paragraph in the text flow of
     89     // a card. The default mode for the first paragraph in a card is wrap.
     90     if (!m_mode.isEmpty())
     91         return;
     92 
     93     RefPtr<NodeList> nodeList = document()->getElementsByTagName("p");
     94     if (!nodeList)
     95         return;
     96 
     97     unsigned length = nodeList->length();
     98     if (length < 2)
     99         return;
    100 
    101     // Assure we're the last inserted paragraph element
    102     // This only works while parsing, otherwhise this statement is never true.
    103     if (nodeList->item(length - 1) != this)
    104         return;
    105 
    106     WMLPElement* lastParagraph = static_cast<WMLPElement*>(nodeList->item(length - 2));
    107     ASSERT(lastParagraph);
    108 
    109     String lastMode = lastParagraph->getAttribute(modeAttr);
    110     if (lastMode.isEmpty() || lastMode == "wrap") // Default value, do nothing.
    111         return;
    112 
    113     setAttribute(modeAttr, lastMode);
    114 }
    115 
    116 }
    117 
    118 #endif
    119