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 WMLTaskElement(const QualifiedName & tagName,Document * doc)37 WMLTaskElement::WMLTaskElement(const QualifiedName& tagName, Document* doc) 38 : WMLElement(tagName, doc) 39 { 40 } 41 ~WMLTaskElement()42 WMLTaskElement::~WMLTaskElement() 43 { 44 } 45 insertedIntoDocument()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 removedFromDocument()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 registerVariableSetter(WMLSetvarElement * element)77 void WMLTaskElement::registerVariableSetter(WMLSetvarElement* element) 78 { 79 ASSERT(m_variableSetterElements.find(element) == WTF::notFound); 80 m_variableSetterElements.append(element); 81 } 82 deregisterVariableSetter(WMLSetvarElement * element)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 storeVariableState(WMLPageState * pageState)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