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 "WMLOnEventElement.h" 25 26 #include "HTMLNames.h" 27 #include "MappedAttribute.h" 28 #include "WMLErrorHandling.h" 29 #include "WMLEventHandlingElement.h" 30 #include "WMLIntrinsicEventHandler.h" 31 #include "WMLNames.h" 32 #include "WMLVariables.h" 33 34 namespace WebCore { 35 36 using namespace WMLNames; 37 38 WMLOnEventElement::WMLOnEventElement(const QualifiedName& tagName, Document* doc) 39 : WMLElement(tagName, doc) 40 , m_type(WMLIntrinsicEventUnknown) 41 { 42 } 43 44 void WMLOnEventElement::parseMappedAttribute(MappedAttribute* attr) 45 { 46 if (attr->name() == HTMLNames::typeAttr) { 47 String parsedValue = parseValueForbiddingVariableReferences(attr->value()); 48 if (parsedValue.isEmpty()) 49 return; 50 51 if (parsedValue == onenterforwardAttr) 52 m_type = WMLIntrinsicEventOnEnterForward; 53 else if (parsedValue == onenterbackwardAttr) 54 m_type = WMLIntrinsicEventOnEnterBackward; 55 else if (parsedValue == ontimerAttr) 56 m_type = WMLIntrinsicEventOnTimer; 57 else if (parsedValue == onpickAttr) 58 m_type = WMLIntrinsicEventOnPick; 59 } else 60 WMLElement::parseMappedAttribute(attr); 61 } 62 63 static inline WMLEventHandlingElement* eventHandlingParent(Node* parent) 64 { 65 if (!parent || !parent->isWMLElement()) 66 return 0; 67 68 return toWMLEventHandlingElement(static_cast<WMLElement*>(parent)); 69 } 70 71 void WMLOnEventElement::registerTask(WMLTaskElement* task) 72 { 73 if (m_type == WMLIntrinsicEventUnknown) 74 return; 75 76 // Register intrinsic event to the event handler of the owner of onevent element 77 WMLEventHandlingElement* eventHandlingElement = eventHandlingParent(parentNode()); 78 if (!eventHandlingElement) 79 return; 80 81 eventHandlingElement->createEventHandlerIfNeeded(); 82 83 RefPtr<WMLIntrinsicEvent> event = WMLIntrinsicEvent::createWithTask(task); 84 if (!eventHandlingElement->eventHandler()->registerIntrinsicEvent(m_type, event)) 85 reportWMLError(document(), WMLErrorConflictingEventBinding); 86 } 87 88 void WMLOnEventElement::deregisterTask(WMLTaskElement*) 89 { 90 WMLEventHandlingElement* eventHandlingElement = eventHandlingParent(parentNode()); 91 if (!eventHandlingElement) 92 return; 93 94 eventHandlingElement->eventHandler()->deregisterIntrinsicEvent(m_type); 95 } 96 97 } 98 99 #endif 100