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39 
40 #include "qqmllistmodelworkeragent_p.h"
41 #include "qqmllistmodel_p_p.h"
42 #include <private/qqmldata_p.h>
43 #include <private/qqmlengine_p.h>
44 #include <qqmlinfo.h>
45 
46 #include <QtCore/qcoreevent.h>
47 #include <QtCore/qcoreapplication.h>
48 #include <QtCore/qdebug.h>
49 
50 
51 QT_BEGIN_NAMESPACE
52 
~Sync()53 QQmlListModelWorkerAgent::Sync::~Sync()
54 {
55 }
56 
QQmlListModelWorkerAgent(QQmlListModel * model)57 QQmlListModelWorkerAgent::QQmlListModelWorkerAgent(QQmlListModel *model)
58 : m_ref(1), m_orig(model), m_copy(new QQmlListModel(model, this))
59 {
60 }
61 
~QQmlListModelWorkerAgent()62 QQmlListModelWorkerAgent::~QQmlListModelWorkerAgent()
63 {
64     mutex.lock();
65     syncDone.wakeAll();
66     mutex.unlock();
67 }
68 
engine() const69 QV4::ExecutionEngine *QQmlListModelWorkerAgent::engine() const
70 {
71     return m_copy->m_engine;
72 }
73 
setEngine(QV4::ExecutionEngine * eng)74 void QQmlListModelWorkerAgent::setEngine(QV4::ExecutionEngine *eng)
75 {
76     if (eng != m_copy->m_engine) {
77         m_copy->m_engine = eng;
78         emit engineChanged(eng);
79     }
80 }
81 
addref()82 void QQmlListModelWorkerAgent::addref()
83 {
84     m_ref.ref();
85 }
86 
release()87 void QQmlListModelWorkerAgent::release()
88 {
89     bool del = !m_ref.deref();
90 
91     if (del)
92         deleteLater();
93 }
94 
modelDestroyed()95 void QQmlListModelWorkerAgent::modelDestroyed()
96 {
97     m_orig = nullptr;
98 }
99 
count() const100 int QQmlListModelWorkerAgent::count() const
101 {
102     return m_copy->count();
103 }
104 
clear()105 void QQmlListModelWorkerAgent::clear()
106 {
107     m_copy->clear();
108 }
109 
remove(QQmlV4Function * args)110 void QQmlListModelWorkerAgent::remove(QQmlV4Function *args)
111 {
112     m_copy->remove(args);
113 }
114 
append(QQmlV4Function * args)115 void QQmlListModelWorkerAgent::append(QQmlV4Function *args)
116 {
117     m_copy->append(args);
118 }
119 
insert(QQmlV4Function * args)120 void QQmlListModelWorkerAgent::insert(QQmlV4Function *args)
121 {
122     m_copy->insert(args);
123 }
124 
get(int index) const125 QJSValue QQmlListModelWorkerAgent::get(int index) const
126 {
127     return m_copy->get(index);
128 }
129 
set(int index,const QJSValue & value)130 void QQmlListModelWorkerAgent::set(int index, const QJSValue &value)
131 {
132     m_copy->set(index, value);
133 }
134 
setProperty(int index,const QString & property,const QVariant & value)135 void QQmlListModelWorkerAgent::setProperty(int index, const QString& property, const QVariant& value)
136 {
137     m_copy->setProperty(index, property, value);
138 }
139 
move(int from,int to,int count)140 void QQmlListModelWorkerAgent::move(int from, int to, int count)
141 {
142     m_copy->move(from, to, count);
143 }
144 
sync()145 void QQmlListModelWorkerAgent::sync()
146 {
147     Sync *s = new Sync(m_copy);
148 
149     mutex.lock();
150     QCoreApplication::postEvent(this, s);
151     syncDone.wait(&mutex);
152     mutex.unlock();
153 }
154 
event(QEvent * e)155 bool QQmlListModelWorkerAgent::event(QEvent *e)
156 {
157     if (e->type() == QEvent::User) {
158         bool cc = false;
159         QMutexLocker locker(&mutex);
160         if (m_orig) {
161             Sync *s = static_cast<Sync *>(e);
162 
163             cc = (m_orig->count() != s->list->count());
164 
165             Q_ASSERT(m_orig->m_dynamicRoles == s->list->m_dynamicRoles);
166             if (m_orig->m_dynamicRoles)
167                 QQmlListModel::sync(s->list, m_orig);
168             else
169                 ListModel::sync(s->list->m_listModel, m_orig->m_listModel);
170         }
171 
172         syncDone.wakeAll();
173         locker.unlock();
174 
175         if (cc)
176             emit m_orig->countChanged();
177         return true;
178     }
179 
180     return QObject::event(e);
181 }
182 
183 QT_END_NAMESPACE
184 
185 #include "moc_qqmllistmodelworkeragent_p.cpp"
186