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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** 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
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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_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 QQmlValueTypeWrapper;
struct QObjectWrapper : Object {
QObjectWrapper(QObject *object);
QPointer<QObject> object;
};
struct QObjectMethod : FunctionObject {
QObjectMethod(QV4::ExecutionContext *scope);
QPointer<QObject> object;
QQmlRefPointer<QQmlPropertyCache> propertyCache;
int index;
Pointer<QQmlValueTypeWrapper> valueTypeWrapper;
const QMetaObject *metaObject();
};
struct QmlSignalHandler : Object {
QmlSignalHandler(QObject *object, int signalIndex);
QPointer<QObject> object;
int signalIndex;
};
}
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(QQmlContextData *qmlContext, String *name, RevisionMode revisionMode, bool *hasProperty = 0, bool includeImports = false) const;
static ReturnedValue getQmlProperty(ExecutionEngine *engine, QQmlContextData *qmlContext, QObject *object, String *name, RevisionMode revisionMode, bool *hasProperty = 0);
static bool setQmlProperty(ExecutionEngine *engine, QQmlContextData *qmlContext, QObject *object, String *name, RevisionMode revisionMode, const Value &value);
static ReturnedValue wrap(ExecutionEngine *engine, QObject *object);
static void markWrapper(QObject *object, ExecutionEngine *engine);
using Object::get;
static ReturnedValue getProperty(ExecutionEngine *engine, QObject *object, int propertyIndex, bool captureRequired);
static void setProperty(ExecutionEngine *engine, QObject *object, int propertyIndex, const Value &value);
void setProperty(ExecutionEngine *engine, int propertyIndex, const Value &value);
void destroyObject(bool lastCall);
protected:
static bool isEqualTo(Managed *that, Managed *o);
static ReturnedValue getProperty(ExecutionEngine *engine, QObject *object, QQmlPropertyData *property, bool captureRequired = true);
static void setProperty(ExecutionEngine *engine, QObject *object, QQmlPropertyData *property, const Value &value);
static ReturnedValue create(ExecutionEngine *engine, QObject *object);
QQmlPropertyData *findProperty(ExecutionEngine *engine, QQmlContextData *qmlContext, String *name, RevisionMode revisionMode, QQmlPropertyData *local) const;
static ReturnedValue get(const Managed *m, String *name, bool *hasProperty);
static void put(Managed *m, String *name, const Value &value);
static PropertyAttributes query(const Managed *, String *name);
static void advanceIterator(Managed *m, ObjectIterator *it, Value *name, uint *index, Property *p, PropertyAttributes *attributes);
static void markObjects(Heap::Base *that, QV4::ExecutionEngine *e);
static ReturnedValue method_connect(CallContext *ctx);
static ReturnedValue method_disconnect(CallContext *ctx);
};
struct QQmlValueTypeWrapper;
struct Q_QML_EXPORT QObjectMethod : public QV4::FunctionObject
{
V4_OBJECT2(QObjectMethod, QV4::FunctionObject)
V4_NEEDS_DESTROY
enum { DestroyMethod = -1, ToStringMethod = -2 };
static ReturnedValue create(QV4::ExecutionContext *scope, QObject *object, int index);
static ReturnedValue create(QV4::ExecutionContext *scope, const QQmlValueTypeWrapper *valueType, int index);
int methodIndex() const { return d()->index; }
QObject *object() const { return d()->object.data(); }
QV4::ReturnedValue method_toString(QV4::ExecutionContext *ctx) const;
QV4::ReturnedValue method_destroy(QV4::ExecutionContext *ctx, const Value *args, int argc) const;
static ReturnedValue call(const Managed *, CallData *callData);
ReturnedValue callInternal(CallData *callData) const;
static void markObjects(Heap::Base *that, QV4::ExecutionEngine *e);
};
struct QmlSignalHandler : public QV4::Object
{
V4_OBJECT2(QmlSignalHandler, QV4::Object)
V4_PROTOTYPE(signalHandlerPrototype)
V4_NEEDS_DESTROY
int signalIndex() const { return d()->signalIndex; }
QObject *object() const { return d()->object.data(); }
static void initProto(ExecutionEngine *v4);
};
class MultiplyWrappedQObjectMap : public QObject,
private QHash<QObject*, QV4::WeakValue>
{
Q_OBJECT
public:
typedef QHash<QObject*, QV4::WeakValue>::ConstIterator ConstIterator;
typedef QHash<QObject*, QV4::WeakValue>::Iterator Iterator;
ConstIterator begin() const { return QHash<QObject*, QV4::WeakValue>::constBegin(); }
Iterator begin() { return QHash<QObject*, QV4::WeakValue>::begin(); }
ConstIterator end() const { return QHash<QObject*, QV4::WeakValue>::constEnd(); }
Iterator end() { return QHash<QObject*, QV4::WeakValue>::end(); }
void insert(QObject *key, Heap::Object *value);
ReturnedValue value(QObject *key) const { return QHash<QObject*, QV4::WeakValue>::value(key).value(); }
Iterator erase(Iterator it);
void remove(QObject *key);
void mark(QObject *key, ExecutionEngine *engine);
private Q_SLOTS:
void removeDestroyedObject(QObject*);
};
}
QT_END_NAMESPACE
#endif // QV4QOBJECTWRAPPER_P_H
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