1 /****************************************************************************
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5 ** Contact: Nokia Corporation (qt-info@nokia.com)
7 ** This file is part of the QtDeclarative module of the Qt Toolkit.
9 ** $QT_BEGIN_LICENSE:LGPL$
10 ** GNU Lesser General Public License Usage
11 ** This file may be used under the terms of the GNU Lesser General Public
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13 ** appearing in the file LICENSE.LGPL included in the packaging of this
14 ** file. Please review the following information to ensure the GNU Lesser
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20 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
22 ** GNU General Public License Usage
23 ** Alternatively, this file may be used under the terms of the GNU General
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26 ** file. Please review the following information to ensure the GNU General
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40 ****************************************************************************/
42 #include "qtquick2_p.h"
43 #include <private/qdeclarativeengine_p.h>
44 #include <private/qdeclarativeutilmodule_p.h>
45 #include <private/qdeclarativevaluetype_p.h>
46 #include <private/qquickitemsmodule_p.h>
47 #include <private/qquickparticlesmodule_p.h>
48 #include <private/qquickwindowmodule_p.h>
50 #include <private/qdeclarativeenginedebugservice_p.h>
51 #include <private/qdeclarativedebugstatesdelegate_p.h>
52 #include <private/qdeclarativebinding_p.h>
53 #include <private/qdeclarativecontext_p.h>
54 #include <QtQuick/private/qdeclarativepropertychanges_p.h>
55 #include <QtQuick/private/qdeclarativestate_p.h>
56 #include <qdeclarativeproperty.h>
57 #include <QtCore/QWeakPointer>
61 class QDeclarativeQtQuick2DebugStatesDelegate : public QDeclarativeDebugStatesDelegate
64 QDeclarativeQtQuick2DebugStatesDelegate();
65 virtual ~QDeclarativeQtQuick2DebugStatesDelegate();
66 virtual void buildStatesList(QDeclarativeContext *ctxt, bool cleanList);
67 virtual void updateBinding(QDeclarativeContext *context,
68 const QDeclarativeProperty &property,
69 const QVariant &expression, bool isLiteralValue,
70 const QString &fileName, int line,
72 virtual bool setBindingForInvalidProperty(QObject *object,
73 const QString &propertyName,
74 const QVariant &expression,
76 virtual void resetBindingForInvalidProperty(QObject *object,
77 const QString &propertyName);
80 void buildStatesList(QObject *obj);
82 QList<QWeakPointer<QDeclarativeState> > m_allStates;
85 QDeclarativeQtQuick2DebugStatesDelegate::QDeclarativeQtQuick2DebugStatesDelegate()
89 QDeclarativeQtQuick2DebugStatesDelegate::~QDeclarativeQtQuick2DebugStatesDelegate()
93 void QDeclarativeQtQuick2DebugStatesDelegate::buildStatesList(QDeclarativeContext *ctxt, bool cleanList)
98 QDeclarativeContextPrivate *ctxtPriv = QDeclarativeContextPrivate::get(ctxt);
99 for (int ii = 0; ii < ctxtPriv->instances.count(); ++ii) {
100 buildStatesList(ctxtPriv->instances.at(ii));
103 QDeclarativeContextData *child = QDeclarativeContextData::get(ctxt)->childContexts;
105 buildStatesList(child->asQDeclarativeContext());
106 child = child->nextChild;
110 void QDeclarativeQtQuick2DebugStatesDelegate::buildStatesList(QObject *obj)
112 if (QDeclarativeState *state = qobject_cast<QDeclarativeState *>(obj)) {
113 m_allStates.append(state);
116 QObjectList children = obj->children();
117 for (int ii = 0; ii < children.count(); ++ii) {
118 buildStatesList(children.at(ii));
122 void QDeclarativeQtQuick2DebugStatesDelegate::updateBinding(QDeclarativeContext *context,
123 const QDeclarativeProperty &property,
124 const QVariant &expression, bool isLiteralValue,
125 const QString &fileName, int line,
128 QObject *object = property.object();
129 QString propertyName = property.name();
130 foreach (QWeakPointer<QDeclarativeState> statePointer, m_allStates) {
131 if (QDeclarativeState *state = statePointer.data()) {
132 // here we assume that the revert list on itself defines the base state
133 if (state->isStateActive() && state->containsPropertyInRevertList(object, propertyName)) {
134 *inBaseState = false;
136 QDeclarativeBinding *newBinding = 0;
137 if (!isLiteralValue) {
138 newBinding = new QDeclarativeBinding(expression.toString(), object, context);
139 newBinding->setTarget(property);
140 newBinding->setNotifyOnValueChanged(true);
141 newBinding->setSourceLocation(fileName, line);
144 state->changeBindingInRevertList(object, propertyName, newBinding);
147 state->changeValueInRevertList(object, propertyName, expression);
153 bool QDeclarativeQtQuick2DebugStatesDelegate::setBindingForInvalidProperty(QObject *object,
154 const QString &propertyName,
155 const QVariant &expression,
158 if (QDeclarativePropertyChanges *propertyChanges = qobject_cast<QDeclarativePropertyChanges *>(object)) {
160 propertyChanges->changeValue(propertyName, expression);
162 propertyChanges->changeExpression(propertyName, expression.toString());
169 void QDeclarativeQtQuick2DebugStatesDelegate::resetBindingForInvalidProperty(QObject *object, const QString &propertyName)
171 if (QDeclarativePropertyChanges *propertyChanges = qobject_cast<QDeclarativePropertyChanges *>(object)) {
172 propertyChanges->removeProperty(propertyName);
177 void QDeclarativeQtQuick2Module::defineModule()
179 QDeclarativeUtilModule::defineModule();
180 QDeclarativeEnginePrivate::defineModule();
181 QQuickItemsModule::defineModule();
182 QQuickParticlesModule::defineModule();
183 QQuickWindowModule::defineModule();
184 QDeclarativeValueTypeFactory::registerValueTypes();
186 if (QDeclarativeEngineDebugService::isDebuggingEnabled()) {
187 QDeclarativeEngineDebugService::instance()->setStatesDelegate(
188 new QDeclarativeQtQuick2DebugStatesDelegate);