qtdeclarative/src/qml/jsruntime/qv4qobjectwrapper_p.h

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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
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#ifndef QV4QOBJECTWRAPPER_P_H
#define QV4QOBJECTWRAPPER_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 <QtCore/qglobal.h>
#include <QtCore/qmetatype.h>
#include <QtCore/qpair.h>
#include <QtCore/qhash.h>
#include <private/qhashedstring_p.h>
#include <private/qqmldata_p.h>
#include <private/qqmlpropertycache_p.h>
#include <private/qintrusivelist_p.h>
#include <private/qv4value_inl_p.h>
#include <private/qv4functionobject_p.h>
QT_BEGIN_NAMESPACE
class QObject;
class QQmlData;
class QQmlPropertyCache;
class QQmlPropertyData;
namespace QV4 {
struct QObjectSlotDispatcher;
namespace Heap {
struct QObjectWrapper : Object {
QObjectWrapper(QV4::ExecutionEngine *engine, QObject *object);
QPointer<QObject> object;
};
}
struct Q_QML_EXPORT QObjectWrapper : public Object
{
V4_OBJECT2(QObjectWrapper, Object)
enum RevisionMode { IgnoreRevision, CheckRevision };
static void initializeBindings(ExecutionEngine *engine);
QObject *object() const { return d()->object.data(); }
ReturnedValue getQmlProperty(ExecutionContext *ctx, QQmlContextData *qmlContext, String *name, RevisionMode revisionMode, bool *hasProperty = 0, bool includeImports = false);
static ReturnedValue getQmlProperty(ExecutionContext *ctx, QQmlContextData *qmlContext, QObject *object, String *name, RevisionMode revisionMode, bool *hasProperty = 0);
static bool setQmlProperty(ExecutionContext *ctx, QQmlContextData *qmlContext, QObject *object, String *name, RevisionMode revisionMode, const ValueRef value);
static ReturnedValue wrap(ExecutionEngine *engine, QObject *object);
using Object::get;
static ReturnedValue getProperty(QObject *object, ExecutionContext *ctx, int propertyIndex, bool captureRequired);
void setProperty(ExecutionContext *ctx, int propertyIndex, const ValueRef value);
protected:
static bool isEqualTo(Managed *that, Managed *o);
private:
static ReturnedValue getProperty(QObject *object, ExecutionContext *ctx, QQmlPropertyData *property, bool captureRequired = true);
static void setProperty(QObject *object, ExecutionContext *ctx, QQmlPropertyData *property, const ValueRef value);
static ReturnedValue create(ExecutionEngine *engine, QObject *object);
QQmlPropertyData *findProperty(ExecutionEngine *engine, QQmlContextData *qmlContext, String *name, RevisionMode revisionMode, QQmlPropertyData *local) const;
static ReturnedValue get(Managed *m, String *name, bool *hasProperty);
static void put(Managed *m, String *name, const ValueRef value);
static PropertyAttributes query(const Managed *, String *name);
static void advanceIterator(Managed *m, ObjectIterator *it, String *&name, uint *index, Property *p, PropertyAttributes *attributes);
static void markObjects(Heap::Base *that, QV4::ExecutionEngine *e);
static void destroy(Managed *that);
static ReturnedValue method_connect(CallContext *ctx);
static ReturnedValue method_disconnect(CallContext *ctx);
};
struct Q_QML_EXPORT QObjectMethod : public QV4::FunctionObject
{
struct Data : QV4::Heap::FunctionObject {
Data(QV4::ExecutionContext *scope, QObject *object, int index, const ValueRef qmlGlobal);
QPointer<QObject> object;
int index;
QV4::PersistentValue qmlGlobal;
};
V4_OBJECT(QV4::FunctionObject)
enum { DestroyMethod = -1, ToStringMethod = -2 };
static ReturnedValue create(QV4::ExecutionContext *scope, QObject *object, int index, const ValueRef qmlGlobal = Primitive::undefinedValue());
int methodIndex() const { return d()->index; }
QObject *object() const { return d()->object.data(); }
QV4::ReturnedValue method_toString(QV4::ExecutionContext *ctx);
QV4::ReturnedValue method_destroy(QV4::ExecutionContext *ctx, const ValueRef args, int argc);
static ReturnedValue call(Managed *, CallData *callData);
ReturnedValue callInternal(CallData *callData);
static void destroy(Managed *that)
{
static_cast<QObjectMethod *>(that)->d()->~Data();
}
};
struct QmlSignalHandler : public QV4::Object
{
struct Data : QV4::Heap::Object {
Data(ExecutionEngine *engine, QObject *object, int signalIndex);
QPointer<QObject> object;
int signalIndex;
};
V4_OBJECT(QV4::Object)
int signalIndex() const { return d()->signalIndex; }
QObject *object() const { return d()->object.data(); }
private:
static void destroy(Managed *that)
{
static_cast<QmlSignalHandler *>(that)->d()->~Data();
}
};
class MultiplyWrappedQObjectMap : public QObject,
private QHash<QObject*, Object*>
{
Q_OBJECT
public:
typedef QHash<QObject*, Object*>::ConstIterator ConstIterator;
typedef QHash<QObject*, Object*>::Iterator Iterator;
ConstIterator begin() const { return QHash<QObject*, Object*>::constBegin(); }
Iterator begin() { return QHash<QObject*, Object*>::begin(); }
ConstIterator end() const { return QHash<QObject*, Object*>::constEnd(); }
Iterator end() { return QHash<QObject*, Object*>::end(); }
void insert(QObject *key, Object *value);
Object *value(QObject *key) const { return QHash<QObject*, Object*>::value(key, 0); }
Iterator erase(Iterator it);
void remove(QObject *key);
private Q_SLOTS:
void removeDestroyedObject(QObject*);
};
}
QT_END_NAMESPACE
#endif // QV4QOBJECTWRAPPER_P_H