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 "WMLDoElement.h" 25 26 #include "Event.h" 27 #include "EventNames.h" 28 #include "HTMLNames.h" 29 #include "KeyboardEvent.h" 30 #include "MappedAttribute.h" 31 #include "Page.h" 32 #include "RenderButton.h" 33 #include "WMLCardElement.h" 34 #include "WMLDocument.h" 35 #include "WMLTaskElement.h" 36 #include "WMLTimerElement.h" 37 #include "WMLNames.h" 38 #include "WMLPageState.h" 39 #include "WMLVariables.h" 40 41 namespace WebCore { 42 43 using namespace WMLNames; 44 45 WMLDoElement::WMLDoElement(const QualifiedName& tagName, Document* doc) 46 : WMLElement(tagName, doc) 47 , m_task(0) 48 , m_isActive(false) 49 , m_isNoop(false) 50 , m_isOptional(false) 51 { 52 } 53 54 void WMLDoElement::defaultEventHandler(Event* event) 55 { 56 if (m_isOptional) 57 return; 58 59 if (event->type() == eventNames().keypressEvent) { 60 WMLElement::defaultEventHandler(event); 61 return; 62 } 63 64 if (event->type() != eventNames().clickEvent && event->type() != eventNames().keydownEvent) 65 return; 66 67 if (event->isKeyboardEvent() 68 && static_cast<KeyboardEvent*>(event)->keyIdentifier() != "Enter") 69 return; 70 71 if (m_type == "accept" || m_type == "options") { 72 if (m_task) 73 m_task->executeTask(); 74 } else if (m_type == "prev") { 75 ASSERT(document()->isWMLDocument()); 76 WMLDocument* document = static_cast<WMLDocument*>(this->document()); 77 78 WMLPageState* pageState = wmlPageStateForDocument(document); 79 if (!pageState) 80 return; 81 82 // Stop the timer of the current card if it is active 83 if (WMLCardElement* card = document->activeCard()) { 84 if (WMLTimerElement* eventTimer = card->eventTimer()) 85 eventTimer->stop(); 86 } 87 88 pageState->page()->goBack(); 89 } else if (m_type == "reset") { 90 WMLPageState* pageState = wmlPageStateForDocument(document()); 91 if (!pageState) 92 return; 93 94 pageState->reset(); 95 } 96 } 97 98 void WMLDoElement::parseMappedAttribute(MappedAttribute* attr) 99 { 100 if (attr->name() == HTMLNames::typeAttr) 101 m_type = parseValueForbiddingVariableReferences(attr->value()); 102 else if (attr->name() == HTMLNames::nameAttr) 103 m_name = parseValueForbiddingVariableReferences(attr->value()); 104 else if (attr->name() == optionalAttr) 105 m_isOptional = (attr->value() == "true"); 106 else 107 WMLElement::parseMappedAttribute(attr); 108 } 109 110 void WMLDoElement::insertedIntoDocument() 111 { 112 WMLElement::insertedIntoDocument(); 113 114 // Spec: An unspecified 'name' defaults to the value of the 'type' attribute. 115 if (!hasAttribute(HTMLNames::nameAttr)) 116 m_name = m_type; 117 118 Node* parent = parentNode(); 119 if (!parent || !parent->isWMLElement()) 120 return; 121 122 if (WMLEventHandlingElement* eventHandlingElement = toWMLEventHandlingElement(static_cast<WMLElement*>(parent))) 123 eventHandlingElement->registerDoElement(this, document()); 124 } 125 126 void WMLDoElement::removedFromDocument() 127 { 128 Node* parent = parentNode(); 129 130 if (parent && parent->isWMLElement()) { 131 if (WMLEventHandlingElement* eventHandlingElement = toWMLEventHandlingElement(static_cast<WMLElement*>(parent))) 132 eventHandlingElement->deregisterDoElement(this); 133 } 134 135 WMLElement::removedFromDocument(); 136 } 137 138 void WMLDoElement::attach() 139 { 140 WMLElement::attach(); 141 142 // The call to updateFromElement() needs to go after the call through 143 // to the base class's attach() because that can sometimes do a close 144 // on the renderer. 145 if (renderer()) 146 renderer()->updateFromElement(); 147 } 148 149 RenderObject* WMLDoElement::createRenderer(RenderArena* arena, RenderStyle* style) 150 { 151 if (!m_isActive || m_isOptional || m_isNoop) 152 return 0; 153 154 if (style) { 155 style->setUnique(); 156 style->setBackgroundColor(Color::lightGray); 157 } 158 159 return new (arena) RenderButton(this); 160 } 161 162 void WMLDoElement::recalcStyle(StyleChange change) 163 { 164 WMLElement::recalcStyle(change); 165 166 if (renderer()) 167 renderer()->updateFromElement(); 168 } 169 170 void WMLDoElement::registerTask(WMLTaskElement* task) 171 { 172 ASSERT(!m_task); 173 m_task = task; 174 } 175 176 void WMLDoElement::deregisterTask(WMLTaskElement* task) 177 { 178 ASSERT_UNUSED(task, m_task == task); 179 m_task = 0; 180 } 181 182 String WMLDoElement::label() const 183 { 184 return parseValueSubstitutingVariableReferences(getAttribute(HTMLNames::labelAttr)); 185 } 186 187 } 188 189 #endif 190
