Home | History | Annotate | Download | only in wml 
      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 "WMLTaskElement.h"
     25 
     26 #include "WMLAnchorElement.h"
     27 #include "WMLDoElement.h"
     28 #include "WMLNames.h"
     29 #include "WMLOnEventElement.h"
     30 #include "WMLPageState.h"
     31 #include "WMLSetvarElement.h"
     32 
     33 namespace WebCore {
     34 
     35 using namespace WMLNames;
     36 
     37 WMLTaskElement::WMLTaskElement(const QualifiedName& tagName, Document* doc)
     38     : WMLElement(tagName, doc)
     39 {
     40 }
     41 
     42 WMLTaskElement::~WMLTaskElement()
     43 {
     44 }
     45 
     46 void WMLTaskElement::insertedIntoDocument()
     47 {
     48     WMLElement::insertedIntoDocument();
     49 
     50     ContainerNode* parent = parentNode();
     51     if (!parent || !parent->isWMLElement())
     52         return;
     53 
     54     if (parent->hasTagName(anchorTag))
     55         static_cast<WMLAnchorElement*>(parent)->registerTask(this);
     56     else if (parent->hasTagName(doTag))
     57         static_cast<WMLDoElement*>(parent)->registerTask(this);
     58     else if (parent->hasTagName(oneventTag))
     59         static_cast<WMLOnEventElement*>(parent)->registerTask(this);
     60 }
     61 
     62 void WMLTaskElement::removedFromDocument()
     63 {
     64     ContainerNode* parent = parentNode();
     65     if (parent && parent->isWMLElement()) {
     66         if (parent->hasTagName(anchorTag))
     67             static_cast<WMLAnchorElement*>(parent)->deregisterTask(this);
     68         else if (parent->hasTagName(doTag))
     69             static_cast<WMLDoElement*>(parent)->deregisterTask(this);
     70         else if (parent->hasTagName(oneventTag))
     71             static_cast<WMLOnEventElement*>(parent)->deregisterTask(this);
     72     }
     73 
     74     WMLElement::removedFromDocument();
     75 }
     76 
     77 void WMLTaskElement::registerVariableSetter(WMLSetvarElement* element)
     78 {
     79     ASSERT(m_variableSetterElements.find(element) == WTF::notFound);
     80     m_variableSetterElements.append(element);
     81 }
     82 
     83 void WMLTaskElement::deregisterVariableSetter(WMLSetvarElement* element)
     84 {
     85     size_t position = m_variableSetterElements.find(element);
     86     ASSERT(position != WTF::notFound);
     87     m_variableSetterElements.remove(position);
     88 }
     89 
     90 void WMLTaskElement::storeVariableState(WMLPageState* pageState)
     91 {
     92     if (!pageState || m_variableSetterElements.isEmpty())
     93         return;
     94 
     95     WMLVariableMap variables;
     96     Vector<WMLSetvarElement*>::iterator it = m_variableSetterElements.begin();
     97     Vector<WMLSetvarElement*>::iterator end = m_variableSetterElements.end();
     98 
     99     for (; it != end; ++it) {
    100         WMLSetvarElement* setterElement = (*it);
    101 
    102         String name = setterElement->name();
    103         if (name.isEmpty())
    104             continue;
    105 
    106         String value = setterElement->value();
    107         variables.set(name, value);
    108 
    109         // The next setvar element may depend on this variable value. It's safe to store the current
    110         // name value pair in the page state, as the whole page state is replaced soon by this new map
    111         pageState->storeVariable(name, value);
    112     }
    113 
    114     pageState->storeVariables(variables);
    115 }
    116 
    117 }
    118 
    119 #endif
    120