Import relevant source from Qt 4.8

Change-Id: I5078db4081d95290c54f39d3c0efc2fc2f62e6a6

1 files changed, 197 insertions, 0 deletions

diff --git a/src/declarative/qml/qdeclarativevmemetaobject_p.h b/src/declarative/qml/qdeclarativevmemetaobject_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDECLARATIVEVMEMETAOBJECT_P_H
+#define QDECLARATIVEVMEMETAOBJECT_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qdeclarative.h"
+
+#include <QtCore/QMetaObject>
+#include <QtCore/QBitArray>
+#include <QtCore/QPair>
+#include <QtGui/QColor>
+#include <QtCore/QDate>
+#include <QtCore/qlist.h>
+#include <QtCore/qdebug.h>
+
+#include <private/qobject_p.h>
+
+#include "private/qdeclarativeguard_p.h"
+#include "private/qdeclarativecompiler_p.h"
+#include "private/qdeclarativecontext_p.h"
+
+QT_BEGIN_NAMESPACE
+
+#define QML_ALIAS_FLAG_PTR 0x00000001
+
+struct QDeclarativeVMEMetaData
+{
+    short propertyCount;
+    short aliasCount;
+    short signalCount;
+    short methodCount;
+
+    struct AliasData {
+        int contextIdx;
+        int propertyIdx;
+        int flags;
+
+        bool isObjectAlias() const {
+            return propertyIdx == -1;
+        }
+        bool isPropertyAlias() const {
+            return !isObjectAlias() && !(propertyIdx & 0xFF000000);
+        }
+        bool isValueTypeAlias() const {
+            return !isObjectAlias() && (propertyIdx & 0xFF000000);
+        }
+        int propertyIndex() const {
+            return propertyIdx & 0x0000FFFF;
+        }
+        int valueTypeIndex() const {
+            return (propertyIdx & 0x00FF0000) >> 16;
+        }
+        int valueType() const {
+            return ((unsigned int)propertyIdx) >> 24;
+        }
+    };
+    
+    struct PropertyData {
+        int propertyType;
+    };
+
+    struct MethodData {
+        int parameterCount;
+        int bodyOffset;
+        int bodyLength;
+        int lineNumber;
+    };
+
+    PropertyData *propertyData() const {
+        return (PropertyData *)(((const char *)this) + sizeof(QDeclarativeVMEMetaData));
+    }
+
+    AliasData *aliasData() const {
+        return (AliasData *)(propertyData() + propertyCount);
+    }
+
+    MethodData *methodData() const {
+        return (MethodData *)(aliasData() + aliasCount);
+    }
+};
+
+class QDeclarativeVMEVariant;
+class QDeclarativeRefCount;
+class QDeclarativeVMEMetaObject : public QAbstractDynamicMetaObject
+{
+public:
+    QDeclarativeVMEMetaObject(QObject *obj, const QMetaObject *other, const QDeclarativeVMEMetaData *data,
+                     QDeclarativeCompiledData *compiledData);
+    ~QDeclarativeVMEMetaObject();
+
+    bool aliasTarget(int index, QObject **target, int *coreIndex, int *valueTypeIndex) const;
+    void registerInterceptor(int index, int valueIndex, QDeclarativePropertyValueInterceptor *interceptor);
+    QScriptValue vmeMethod(int index);
+    int vmeMethodLineNumber(int index);
+    void setVmeMethod(int index, const QScriptValue &);
+    QScriptValue vmeProperty(int index);
+    void setVMEProperty(int index, const QScriptValue &);
+
+    void connectAliasSignal(int index);
+
+protected:
+    virtual int metaCall(QMetaObject::Call _c, int _id, void **_a);
+
+private:
+    QObject *object;
+    QDeclarativeCompiledData *compiledData;
+    QDeclarativeGuardedContextData ctxt;
+
+    const QDeclarativeVMEMetaData *metaData;
+    int propOffset;
+    int methodOffset;
+
+    QDeclarativeVMEVariant *data;
+
+    void connectAlias(int aliasId);
+    QBitArray aConnected;
+    QBitArray aInterceptors;
+    QHash<int, QPair<int, QDeclarativePropertyValueInterceptor*> > interceptors;
+
+    QScriptValue *methods;
+    QScriptValue method(int);
+
+    QScriptValue readVarProperty(int);
+    QVariant readVarPropertyAsVariant(int);
+    void writeVarProperty(int, const QScriptValue &);
+    void writeVarProperty(int, const QVariant &);
+
+    QAbstractDynamicMetaObject *parent;
+
+    void listChanged(int);
+    class List : public QList<QObject*>
+    {
+    public:
+        List(int lpi) : notifyIndex(lpi) {}
+        int notifyIndex;
+    };
+    QList<List> listProperties;
+
+    static void list_append(QDeclarativeListProperty<QObject> *, QObject *);
+    static int list_count(QDeclarativeListProperty<QObject> *);
+    static QObject *list_at(QDeclarativeListProperty<QObject> *, int);
+    static void list_clear(QDeclarativeListProperty<QObject> *);
+};
+
+QT_END_NAMESPACE
+
+#endif // QDECLARATIVEVMEMETAOBJECT_P_H