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5 ** Contact: http://www.qt-project.org/
7 ** This file is part of the QtDeclarative module of the Qt Toolkit.
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10 ** GNU Lesser General Public License Usage
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14 ** file. Please review the following information to ensure the GNU Lesser
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22 ** GNU General Public License Usage
23 ** Alternatively, this file may be used under the terms of the GNU General
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40 ****************************************************************************/
42 #ifndef QV4BINDINGS_P_H
43 #define QV4BINDINGS_P_H
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.
56 #include "private/qdeclarativeexpression_p.h"
57 #include "private/qdeclarativebinding_p.h"
58 #include "private/qv4instruction_p.h"
65 class QV4Bindings : public QDeclarativeAbstractExpression,
66 public QDeclarativeRefCount
68 Q_DECLARE_TR_FUNCTIONS(QV4Bindings)
70 QV4Bindings(const char *program, QDeclarativeContextData *context,
71 QDeclarativeRefCount *);
72 virtual ~QV4Bindings();
74 QDeclarativeAbstractBinding *configBinding(int index, QObject *target,
75 QObject *scope, int property,
76 int line, int column);
78 #ifdef QML_THREADED_INTERPRETER
79 static void **getDecodeInstrTable();
83 Q_DISABLE_COPY(QV4Bindings)
85 struct Binding : public QDeclarativeAbstractBinding, public QDeclarativeDelayedError {
86 Binding() : enabled(false), updating(0), property(0),
87 scope(0), target(0), executedBlocks(0), parent(0) {}
89 // Inherited from QDeclarativeAbstractBinding
90 virtual void setEnabled(bool, QDeclarativePropertyPrivate::WriteFlags flags);
91 virtual void update(QDeclarativePropertyPrivate::WriteFlags flags);
92 virtual void destroy();
102 quint32 executedBlocks;
107 class Subscription : public QDeclarativeNotifierEndpoint
110 Subscription() : bindings(0), method(-1) { callback = &subscriptionCallback; }
111 static void subscriptionCallback(QDeclarativeNotifierEndpoint *e);
112 QV4Bindings *bindings;
115 friend class Subscription;
117 Subscription *subscriptions;
119 void subscriptionNotify(int);
120 void run(Binding *, QDeclarativePropertyPrivate::WriteFlags flags);
123 QDeclarativeRefCount *dataRef;
127 void run(int instr, quint32 &executedBlocks, QDeclarativeContextData *context,
128 QDeclarativeDelayedError *error, QObject *scope, QObject *output,
129 QDeclarativePropertyPrivate::WriteFlags storeFlags
130 #ifdef QML_THREADED_INTERPRETER
131 , void ***decode_instr = 0
136 inline void unsubscribe(int subIndex);
137 inline void subscribeId(QDeclarativeContextData *p, int idIndex, int subIndex);
138 inline void subscribe(QObject *o, int notifyIndex, int subIndex);
140 inline static qint32 toInt32(qreal n);
141 static const qreal D32;
142 static quint32 toUint32(qreal n);
150 #endif // QV4BINDINGS_P_H