1 /****************************************************************************
3 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4 ** All rights reserved.
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
12 ** License version 2.1 as published by the Free Software Foundation and
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
15 ** General Public License version 2.1 requirements will be met:
16 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
18 ** In addition, as a special exception, Nokia gives you certain additional
19 ** rights. These rights are described in the Nokia Qt LGPL Exception
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
24 ** Public License version 3.0 as published by the Free Software Foundation
25 ** and appearing in the file LICENSE.GPL included in the packaging of this
26 ** file. Please review the following information to ensure the GNU General
27 ** Public License version 3.0 requirements will be met:
28 ** http://www.gnu.org/copyleft/gpl.html.
31 ** Alternatively, this file may be used in accordance with the terms and
32 ** conditions contained in a signed written agreement between you and Nokia.
40 ****************************************************************************/
42 #ifndef QDECLARATIVEVMEMETAOBJECT_P_H
43 #define QDECLARATIVEVMEMETAOBJECT_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 "qdeclarative.h"
58 #include <QtCore/QMetaObject>
59 #include <QtCore/QBitArray>
60 #include <QtCore/QPair>
61 #include <QtGui/QColor>
62 #include <QtCore/QDate>
63 #include <QtCore/qlist.h>
64 #include <QtCore/qdebug.h>
66 #include <private/qobject_p.h>
68 #include "private/qdeclarativeguard_p.h"
69 #include "private/qdeclarativecompiler_p.h"
70 #include "private/qdeclarativecontext_p.h"
74 #define QML_ALIAS_FLAG_PTR 0x00000001
76 struct QDeclarativeVMEMetaData
88 bool isObjectAlias() const {
89 return propertyIdx == -1;
91 bool isPropertyAlias() const {
92 return !isObjectAlias() && !(propertyIdx & 0xFF000000);
94 bool isValueTypeAlias() const {
95 return !isObjectAlias() && (propertyIdx & 0xFF000000);
97 int propertyIndex() const {
98 return propertyIdx & 0x0000FFFF;
100 int valueTypeIndex() const {
101 return (propertyIdx & 0x00FF0000) >> 16;
103 int valueType() const {
104 return ((unsigned int)propertyIdx) >> 24;
108 struct PropertyData {
119 PropertyData *propertyData() const {
120 return (PropertyData *)(((const char *)this) + sizeof(QDeclarativeVMEMetaData));
123 AliasData *aliasData() const {
124 return (AliasData *)(propertyData() + propertyCount);
127 MethodData *methodData() const {
128 return (MethodData *)(aliasData() + aliasCount);
132 class QDeclarativeVMEVariant;
133 class QDeclarativeRefCount;
134 class QDeclarativeVMEMetaObject : public QAbstractDynamicMetaObject
137 QDeclarativeVMEMetaObject(QObject *obj, const QMetaObject *other, const QDeclarativeVMEMetaData *data,
138 QDeclarativeCompiledData *compiledData);
139 ~QDeclarativeVMEMetaObject();
141 bool aliasTarget(int index, QObject **target, int *coreIndex, int *valueTypeIndex) const;
142 void registerInterceptor(int index, int valueIndex, QDeclarativePropertyValueInterceptor *interceptor);
143 QScriptValue vmeMethod(int index);
144 int vmeMethodLineNumber(int index);
145 void setVmeMethod(int index, const QScriptValue &);
146 QScriptValue vmeProperty(int index);
147 void setVMEProperty(int index, const QScriptValue &);
149 void connectAliasSignal(int index);
152 virtual int metaCall(QMetaObject::Call _c, int _id, void **_a);
156 QDeclarativeCompiledData *compiledData;
157 QDeclarativeGuardedContextData ctxt;
159 const QDeclarativeVMEMetaData *metaData;
163 QDeclarativeVMEVariant *data;
165 void connectAlias(int aliasId);
166 QBitArray aConnected;
167 QBitArray aInterceptors;
168 QHash<int, QPair<int, QDeclarativePropertyValueInterceptor*> > interceptors;
170 QScriptValue *methods;
171 QScriptValue method(int);
173 QScriptValue readVarProperty(int);
174 QVariant readVarPropertyAsVariant(int);
175 void writeVarProperty(int, const QScriptValue &);
176 void writeVarProperty(int, const QVariant &);
178 QAbstractDynamicMetaObject *parent;
180 void listChanged(int);
181 class List : public QList<QObject*>
184 List(int lpi) : notifyIndex(lpi) {}
187 QList<List> listProperties;
189 static void list_append(QDeclarativeListProperty<QObject> *, QObject *);
190 static int list_count(QDeclarativeListProperty<QObject> *);
191 static QObject *list_at(QDeclarativeListProperty<QObject> *, int);
192 static void list_clear(QDeclarativeListProperty<QObject> *);
197 #endif // QDECLARATIVEVMEMETAOBJECT_P_H