Ensure that scarce resources work with var properties

Now that we have a new property type which stores JavaScript handles,
we need to ensure that scarce resources can be used with them.

Task-number: QMLNG-18
Task-number: QTBUG-21843
Change-Id: I4a920ae39e7d33cf5e33362e5e0ee21c74cb35e3
Reviewed-by: Martin Jones <martin.jones@nokia.com>

1 files changed, 81 insertions, 0 deletions

diff --git a/src/declarative/qml/v8/qv8variantresource_p.h b/src/declarative/qml/v8/qv8variantresource_p.h
new file mode 100644
index 0000000000..d1a5f92696
--- /dev/null
+++ b/src/declarative/qml/v8/qv8variantresource_p.h
@@ -0,0 +1,81 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 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 QV8VARIANTRESOURCE_P_H
+#define QV8VARIANTRESOURCE_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 <private/qv8_p.h>
+#include <private/qv8engine_p.h>
+#include <private/qdeclarativeengine_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QV8VariantResource : public QV8ObjectResource,
+                           public QDeclarativeEnginePrivate::ScarceResourceData
+{
+    V8_RESOURCE_TYPE(VariantType)
+
+public:
+    QV8VariantResource(QV8Engine *engine, const QVariant &data);
+
+    void addVmePropertyReference();
+    void removeVmePropertyReference();
+
+    bool m_isScarceResource;
+    int m_vmePropertyReferenceCount;
+};
+
+QT_END_NAMESPACE
+
+#endif // QV8VARIANTRESOURCE_P_H
+