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      1 /*
      2  * Copyright (C) 2008, 2009 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 "WMLTemplateElement.h"
     25 
     26 #include "Attribute.h"
     27 #include "NodeList.h"
     28 #include "WMLCardElement.h"
     29 #include "WMLDocument.h"
     30 #include "WMLIntrinsicEventHandler.h"
     31 #include "WMLNames.h"
     32 
     33 namespace WebCore {
     34 
     35 using namespace WMLNames;
     36 
     37 WMLTemplateElement::WMLTemplateElement(const QualifiedName& tagName, Document* doc)
     38     : WMLElement(tagName, doc)
     39 {
     40 }
     41 
     42 WMLTemplateElement::~WMLTemplateElement()
     43 {
     44 }
     45 
     46 PassRefPtr<WMLTemplateElement> WMLTemplateElement::create(const QualifiedName& tagName, Document* document)
     47 {
     48     return adoptRef(new WMLTemplateElement(tagName, document));
     49 }
     50 
     51 void WMLTemplateElement::parseMappedAttribute(Attribute* attr)
     52 {
     53     WMLIntrinsicEventType eventType = WMLIntrinsicEventUnknown;
     54 
     55     if (attr->name() == onenterforwardAttr)
     56         eventType = WMLIntrinsicEventOnEnterForward;
     57     else if (attr->name() == onenterbackwardAttr)
     58         eventType = WMLIntrinsicEventOnEnterBackward;
     59     else if (attr->name() == ontimerAttr)
     60         eventType = WMLIntrinsicEventOnTimer;
     61     else {
     62         WMLElement::parseMappedAttribute(attr);
     63         return;
     64     }
     65 
     66     if (eventType == WMLIntrinsicEventUnknown)
     67         return;
     68 
     69     // Register intrinsic event in card
     70     RefPtr<WMLIntrinsicEvent> event = WMLIntrinsicEvent::create(document(), attr->value());
     71 
     72     createEventHandlerIfNeeded();
     73     eventHandler()->registerIntrinsicEvent(eventType, event);
     74 }
     75 
     76 void WMLTemplateElement::registerTemplatesInDocument(Document* doc)
     77 {
     78     ASSERT(doc);
     79 
     80     // Build list of cards in document
     81     RefPtr<NodeList> nodeList = doc->getElementsByTagName("card");
     82     if (!nodeList)
     83         return;
     84 
     85     unsigned length = nodeList->length();
     86     if (length < 1)
     87         return;
     88 
     89     HashSet<WMLCardElement*> cards;
     90     for (unsigned i = 0; i < length; ++i)
     91         cards.add(static_cast<WMLCardElement*>(nodeList->item(i)));
     92 
     93     if (cards.isEmpty())
     94         return;
     95 
     96     // Register template element to all cards
     97     nodeList = doc->getElementsByTagName("template");
     98     if (!nodeList)
     99         return;
    100 
    101     length = nodeList->length();
    102     if (length < 1)
    103         return;
    104 
    105     // Only one template element should be allowed in a document
    106     // Calling setTemplateElement() twice on a WMLCardElement, will result in a parser error.
    107     for (unsigned i = 0; i < length; ++i) {
    108         WMLTemplateElement* temp = static_cast<WMLTemplateElement*>(nodeList->item(i));
    109 
    110         HashSet<WMLCardElement*>::iterator it = cards.begin();
    111         HashSet<WMLCardElement*>::iterator end = cards.end();
    112 
    113         for (; it != end; ++it)
    114             (*it)->setTemplateElement(temp);
    115     }
    116 }
    117 
    118 }
    119 
    120 #endif
    121