Qt 4.8
qdeclarativelistmodelworkeragent_p.h
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41 
42 #ifndef QDECLARATIVELISTMODELWORKERAGENT_P_H
43 #define QDECLARATIVELISTMODELWORKERAGENT_P_H
44 
45 //
46 // W A R N I N G
47 // -------------
48 //
49 // This file is not part of the Qt API. It exists purely as an
50 // implementation detail. This header file may change from version to
51 // version without notice, or even be removed.
52 //
53 // We mean it.
54 //
55 
56 #include "qdeclarative.h"
57 
58 #include <QtScript/qscriptvalue.h>
59 #include <QtGui/qevent.h>
60 #include <QMutex>
61 #include <QWaitCondition>
62 
64 
66 
67 QT_MODULE(Declarative)
68 
71 
73 {
74  Q_OBJECT
75  int count;
76 
77 public:
80 
81  void setScriptEngine(QScriptEngine *eng);
82  QScriptEngine *scriptEngine() const;
83 
84  void addref();
85  void release();
86 
87  int count() const;
88 
89  Q_INVOKABLE void clear();
90  Q_INVOKABLE void remove(int index);
91  Q_INVOKABLE void append(const QScriptValue &);
92  Q_INVOKABLE void insert(int index, const QScriptValue&);
93  Q_INVOKABLE QScriptValue get(int index) const;
94  Q_INVOKABLE void set(int index, const QScriptValue &);
95  Q_INVOKABLE void setProperty(int index, const QString& property, const QVariant& value);
96  Q_INVOKABLE void move(int from, int to, int count);
97  Q_INVOKABLE void sync();
98 
99  struct VariantRef
100  {
101  VariantRef() : a(0) {}
102  VariantRef(const VariantRef &r) : a(r.a) { if (a) a->addref(); }
104  ~VariantRef() { if (a) a->release(); }
105 
107  if (o.a) o.a->addref();
108  if (a) a->release(); a = o.a;
109  return *this;
110  }
111 
113  };
114 protected:
115  virtual bool event(QEvent *);
116 
117 private:
119  friend class FlatListScriptClass;
121 
122  struct Change {
123  enum { Inserted, Removed, Moved, Changed } type;
124  int index; // Inserted/Removed/Moved/Changed
125  int count; // Inserted/Removed/Moved/Changed
126  int to; // Moved
128  };
129 
130  struct Data {
132 
133  void clearChange();
134  void insertChange(int index, int count);
135  void removeChange(int index, int count);
136  void moveChange(int index, int count, int to);
137  void changedChange(int index, int count, const QList<int> &roles);
138  };
140 
141  struct Sync : public QEvent {
145  };
146 
147  void changedData(int index, int count, const QList<int> &roles);
148 
154 };
155 
157 
159 
161 
162 #endif // QDECLARATIVEWORKERSCRIPT_P_H
163 
The QVariant class acts like a union for the most common Qt data types.
Definition: qvariant.h:92
int type
Definition: qmetatype.cpp:239
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
virtual bool event(QEvent *)
This virtual function receives events to an object and should return true if the event e was recogniz...
The QMutex class provides access serialization between threads.
Definition: qmutex.h:60
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
The QAtomicInt class provides platform-independent atomic operations on integers. ...
Definition: qatomic.h:55
void changedData(int index, int count, const QList< int > &roles)
#define Q_INVOKABLE
Definition: qobjectdefs.h:90
The QString class provides a Unicode character string.
Definition: qstring.h:83
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
Q_INVOKABLE void move(int from, int to, int count)
The QScriptEngine class provides an environment for evaluating Qt Script code.
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
Q_INVOKABLE void setProperty(int index, const QString &property, const QVariant &value)
#define Q_OBJECT
Definition: qobjectdefs.h:157
#define Q_DECLARE_METATYPE(TYPE)
This macro makes the type Type known to QMetaType as long as it provides a public default constructor...
Definition: qmetatype.h:265
quint16 index
QVariant property(const char *name) const
Returns the value of the object&#39;s name property.
Definition: qobject.cpp:3807
Q_INVOKABLE void insert(int index, const QScriptValue &)
The QEvent class is the base class of all event classes.
Definition: qcoreevent.h:56
#define QT_END_HEADER
Definition: qglobal.h:137
The QScriptValue class acts as a container for the Qt Script data types.
Definition: qscriptvalue.h:57
Q_INVOKABLE void append(const QScriptValue &)