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39
40#include "qtquick2_p.h"
41#include <private/qqmlengine_p.h>
42#include <private/qquickutilmodule_p.h>
43#include <private/qquickvaluetypes_p.h>
44#include <private/qquickitemsmodule_p.h>
45#include <private/qquickaccessiblefactory_p.h>
46
47#include <private/qqmldebugconnector_p.h>
48#include <private/qqmldebugserviceinterfaces_p.h>
49#include <private/qqmldebugstatesdelegate_p.h>
50#include <private/qqmlbinding_p.h>
51#include <private/qqmlcontext_p.h>
52#include <private/qquickapplication_p.h>
53#include <QtQuick/private/qquickpropertychanges_p.h>
54#include <QtQuick/private/qquickstate_p.h>
55#include <qqmlproperty.h>
56#include <QtCore/QPointer>
57
58QT_BEGIN_NAMESPACE
59
60#if !QT_CONFIG(qml_debug)
61
62class QQmlQtQuick2DebugStatesDelegate : public QQmlDebugStatesDelegate {};
63
64#else
65
66class QQmlQtQuick2DebugStatesDelegate : public QQmlDebugStatesDelegate
67{
68public:
69 QQmlQtQuick2DebugStatesDelegate();
70 ~QQmlQtQuick2DebugStatesDelegate();
71 void buildStatesList(bool cleanList, const QList<QPointer<QObject> > &instances) override;
72 void updateBinding(QQmlContext *context,
73 const QQmlProperty &property,
74 const QVariant &expression, bool isLiteralValue,
75 const QString &fileName, int line, int column,
76 bool *isBaseState) override;
77 bool setBindingForInvalidProperty(QObject *object,
78 const QString &propertyName,
79 const QVariant &expression,
80 bool isLiteralValue) override;
81 void resetBindingForInvalidProperty(QObject *object,
82 const QString &propertyName) override;
83
84private:
85 void buildStatesList(QObject *obj);
86
87 QList<QPointer<QQuickState> > m_allStates;
88};
89
90QQmlQtQuick2DebugStatesDelegate::QQmlQtQuick2DebugStatesDelegate()
91{
92}
93
94QQmlQtQuick2DebugStatesDelegate::~QQmlQtQuick2DebugStatesDelegate()
95{
96}
97
98void QQmlQtQuick2DebugStatesDelegate::buildStatesList(bool cleanList,
99 const QList<QPointer<QObject> > &instances)
100{
101 if (cleanList)
102 m_allStates.clear();
103
104 //only root context has all instances
105 for (int ii = 0; ii < instances.count(); ++ii) {
106 buildStatesList(instances.at(ii));
107 }
108}
109
110void QQmlQtQuick2DebugStatesDelegate::buildStatesList(QObject *obj)
111{
112 if (QQuickState *state = qobject_cast<QQuickState *>(obj)) {
113 m_allStates.append(state);
114 }
115
116 QObjectList children = obj->children();
117 for (int ii = 0; ii < children.count(); ++ii) {
118 buildStatesList(children.at(ii));
119 }
120}
121
122void QQmlQtQuick2DebugStatesDelegate::updateBinding(QQmlContext *context,
123 const QQmlProperty &property,
124 const QVariant &expression, bool isLiteralValue,
125 const QString &fileName, int line, int column,
126 bool *inBaseState)
127{
128 Q_UNUSED(column);
129 typedef QPointer<QQuickState> QuickStatePointer;
130 QObject *object = property.object();
131 QString propertyName = property.name();
132 for (const QuickStatePointer& statePointer : qAsConst(m_allStates)) {
133 if (QQuickState *state = statePointer.data()) {
134 // here we assume that the revert list on itself defines the base state
135 if (state->isStateActive() && state->containsPropertyInRevertList(object, propertyName)) {
136 *inBaseState = false;
137
138 QQmlBinding *newBinding = nullptr;
139 if (!isLiteralValue) {
140 newBinding = QQmlBinding::create(&QQmlPropertyPrivate::get(property)->core,
141 expression.toString(), object,
142 QQmlContextData::get(context), fileName,
143 line);
144 newBinding->setTarget(property);
145 }
146
147 state->changeBindingInRevertList(object, propertyName, newBinding);
148
149 if (isLiteralValue)
150 state->changeValueInRevertList(object, propertyName, expression);
151 }
152 }
153 }
154}
155
156bool QQmlQtQuick2DebugStatesDelegate::setBindingForInvalidProperty(QObject *object,
157 const QString &propertyName,
158 const QVariant &expression,
159 bool isLiteralValue)
160{
161 if (QQuickPropertyChanges *propertyChanges = qobject_cast<QQuickPropertyChanges *>(object)) {
162 if (isLiteralValue)
163 propertyChanges->changeValue(propertyName, expression);
164 else
165 propertyChanges->changeExpression(propertyName, expression.toString());
166 return true;
167 } else {
168 return false;
169 }
170}
171
172void QQmlQtQuick2DebugStatesDelegate::resetBindingForInvalidProperty(QObject *object, const QString &propertyName)
173{
174 if (QQuickPropertyChanges *propertyChanges = qobject_cast<QQuickPropertyChanges *>(object)) {
175 propertyChanges->removeProperty(propertyName);
176 }
177}
178
179#endif // QT_CONFIG(qml_debug)
180
181void QQmlQtQuick2Module::defineModule()
182{
183 QQuick_initializeProviders();
184
185 QQuickUtilModule::defineModule();
186 QQuickItemsModule::defineModule();
187
188 qmlRegisterUncreatableType<QQuickApplication>("QtQuick",2,0,"Application", QQuickApplication::tr("Application is an abstract class"));
189
190 QQuickValueTypes::registerValueTypes();
191
192#if QT_CONFIG(accessibility)
193 QAccessible::installFactory(&qQuickAccessibleFactory);
194#endif
195
196 QQmlEngineDebugService *debugService = QQmlDebugConnector::service<QQmlEngineDebugService>();
197 if (debugService)
198 debugService->setStatesDelegate(new QQmlQtQuick2DebugStatesDelegate);
199}
200
201void QQmlQtQuick2Module::undefineModule()
202{
203 QQuick_deinitializeProviders();
204}
205
206QT_END_NAMESPACE
207
208