1 files changed, 189 insertions, 0 deletions
diff --git a/src/quicktemplates2/qquickdeferredpointer_p_p.h b/src/quicktemplates2/qquickdeferredpointer_p_p.h
new file mode 100644
index 00000000..c793964f
--- /dev/null
+++ b/src/quicktemplates2/qquickdeferredpointer_p_p.h
@@ -0,0 +1,189 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later 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 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQUICKDEFERREDPOINTER_P_P_H
+#define QQUICKDEFERREDPOINTER_P_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>
+
+QT_BEGIN_NAMESPACE
+
+template<typename T>
+class QQuickDeferredPointer
+{
+public:
+    inline QQuickDeferredPointer();
+    inline QQuickDeferredPointer(T *);
+    inline QQuickDeferredPointer(const QQuickDeferredPointer<T> &o);
+
+    inline bool isNull() const;
+
+    inline bool wasExecuted() const;
+    inline void setExecuted();
+
+    inline bool isExecuting() const;
+    inline void setExecuting(bool);
+
+    inline operator T*() const;
+    inline operator bool() const;
+
+    inline T *data() const;
+    inline T *operator*() const;
+    inline T *operator->() const;
+
+    inline QQuickDeferredPointer<T> &operator=(T *);
+    inline QQuickDeferredPointer<T> &operator=(const QQuickDeferredPointer &o);
+
+private:
+    quintptr ptr_value;
+
+    static const quintptr WasExecutedBit = 0x1;
+    static const quintptr IsExecutingBit = 0x2;
+    static const quintptr FlagsMask = WasExecutedBit | IsExecutingBit;
+};
+
+template<typename T>
+QQuickDeferredPointer<T>::QQuickDeferredPointer()
+: ptr_value(0)
+{
+}
+
+template<typename T>
+QQuickDeferredPointer<T>::QQuickDeferredPointer(T *v)
+: ptr_value(quintptr(v))
+{
+    Q_ASSERT((ptr_value & FlagsMask) == 0);
+}
+
+template<typename T>
+QQuickDeferredPointer<T>::QQuickDeferredPointer(const QQuickDeferredPointer<T> &o)
+: ptr_value(o.ptr_value)
+{
+}
+
+template<typename T>
+bool QQuickDeferredPointer<T>::isNull() const
+{
+    return 0 == (ptr_value & (~FlagsMask));
+}
+
+template<typename T>
+bool QQuickDeferredPointer<T>::wasExecuted() const
+{
+    return ptr_value & WasExecutedBit;
+}
+
+template<typename T>
+void QQuickDeferredPointer<T>::setExecuted()
+{
+    ptr_value |= WasExecutedBit;
+}
+
+template<typename T>
+bool QQuickDeferredPointer<T>::isExecuting() const
+{
+    return ptr_value & IsExecutingBit;
+}
+
+template<typename T>
+void QQuickDeferredPointer<T>::setExecuting(bool b)
+{
+    if (b)
+        ptr_value |= IsExecutingBit;
+    else
+        ptr_value &= ~IsExecutingBit;
+}
+
+template<typename T>
+QQuickDeferredPointer<T>::operator T*() const
+{
+    return data();
+}
+
+template<typename T>
+QQuickDeferredPointer<T>::operator bool() const
+{
+    return !isNull();
+}
+
+template<typename T>
+T *QQuickDeferredPointer<T>::data() const
+{
+    return (T *)(ptr_value & ~FlagsMask);
+}
+
+template<typename T>
+T *QQuickDeferredPointer<T>::operator*() const
+{
+    return (T *)(ptr_value & ~FlagsMask);
+}
+
+template<typename T>
+T *QQuickDeferredPointer<T>::operator->() const
+{
+    return (T *)(ptr_value & ~FlagsMask);
+}
+
+template<typename T>
+QQuickDeferredPointer<T> &QQuickDeferredPointer<T>::operator=(T *o)
+{
+    Q_ASSERT((quintptr(o) & FlagsMask) == 0);
+
+    ptr_value = quintptr(o) | (ptr_value & FlagsMask);
+    return *this;
+}
+
+template<typename T>
+QQuickDeferredPointer<T> &QQuickDeferredPointer<T>::operator=(const QQuickDeferredPointer &o)
+{
+    ptr_value = o.ptr_value;
+    return *this;
+}
+
+QT_END_NAMESPACE
+
+#endif // QQUICKDEFERREDPOINTER_P_P_H