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 "Attribute.h"
27 #include "HTMLNames.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
WMLOnEventElement(const QualifiedName & tagName,Document * doc)38 WMLOnEventElement::WMLOnEventElement(const QualifiedName& tagName, Document* doc)
39 : WMLElement(tagName, doc)
40 , m_type(WMLIntrinsicEventUnknown)
41 {
42 }
43
create(const QualifiedName & tagName,Document * document)44 PassRefPtr<WMLOnEventElement> WMLOnEventElement::create(const QualifiedName& tagName, Document* document)
45 {
46 return adoptRef(new WMLOnEventElement(tagName, document));
47 }
48
parseMappedAttribute(Attribute * attr)49 void WMLOnEventElement::parseMappedAttribute(Attribute* attr)
50 {
51 if (attr->name() == HTMLNames::typeAttr) {
52 String parsedValue = parseValueForbiddingVariableReferences(attr->value());
53 if (parsedValue.isEmpty())
54 return;
55
56 if (parsedValue == onenterforwardAttr)
57 m_type = WMLIntrinsicEventOnEnterForward;
58 else if (parsedValue == onenterbackwardAttr)
59 m_type = WMLIntrinsicEventOnEnterBackward;
60 else if (parsedValue == ontimerAttr)
61 m_type = WMLIntrinsicEventOnTimer;
62 else if (parsedValue == onpickAttr)
63 m_type = WMLIntrinsicEventOnPick;
64 } else
65 WMLElement::parseMappedAttribute(attr);
66 }
67
eventHandlingParent(Node * parent)68 static inline WMLEventHandlingElement* eventHandlingParent(Node* parent)
69 {
70 if (!parent || !parent->isWMLElement())
71 return 0;
72
73 return toWMLEventHandlingElement(static_cast<WMLElement*>(parent));
74 }
75
registerTask(WMLTaskElement * task)76 void WMLOnEventElement::registerTask(WMLTaskElement* task)
77 {
78 if (m_type == WMLIntrinsicEventUnknown)
79 return;
80
81 // Register intrinsic event to the event handler of the owner of onevent element
82 WMLEventHandlingElement* eventHandlingElement = eventHandlingParent(parentNode());
83 if (!eventHandlingElement)
84 return;
85
86 eventHandlingElement->createEventHandlerIfNeeded();
87
88 RefPtr<WMLIntrinsicEvent> event = WMLIntrinsicEvent::createWithTask(task);
89 if (!eventHandlingElement->eventHandler()->registerIntrinsicEvent(m_type, event))
90 reportWMLError(document(), WMLErrorConflictingEventBinding);
91 }
92
deregisterTask(WMLTaskElement *)93 void WMLOnEventElement::deregisterTask(WMLTaskElement*)
94 {
95 WMLEventHandlingElement* eventHandlingElement = eventHandlingParent(parentNode());
96 if (!eventHandlingElement)
97 return;
98
99 eventHandlingElement->eventHandler()->deregisterIntrinsicEvent(m_type);
100 }
101
102 }
103
104 #endif
105