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