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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMLSTATE_P_H
+#define QMLSTATE_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 <private/qmlstate_p.h>
+#include <private/qobject_p.h>
+#include <private/qmlanimation_p_p.h>
+#include <private/qmltransitionmanager_p_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class SimpleAction
+{
+public:
+    enum State { StartState, EndState };
+    SimpleAction(const Action &a, State state = StartState) 
+    {
+        property = a.property;
+        specifiedObject = a.specifiedObject;
+        specifiedProperty = a.specifiedProperty;
+        event = a.event;
+        if (state == StartState) {
+            value = a.fromValue;
+            binding = property.binding();
+            reverseEvent = true;
+        } else {
+            value = a.toValue;
+            binding = a.toBinding;
+            reverseEvent = false;
+        }
+    }
+
+    QmlMetaProperty property;
+    QVariant value;
+    QmlAbstractBinding *binding;
+    QObject *specifiedObject;
+    QString specifiedProperty;
+    ActionEvent *event;
+    bool reverseEvent;
+};
+
+class QmlStatePrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QmlState)
+
+public:
+    QmlStatePrivate()
+    : when(0), inState(false), group(0) {}
+
+    typedef QList<SimpleAction> SimpleActionList;
+
+    QString name;
+    QmlBinding *when;
+    QmlConcreteList<QmlStateOperation *> operations;
+
+    QmlTransitionManager transitionManager;
+
+    SimpleActionList revertList;
+    QList<QmlMetaProperty> reverting;
+    QString extends;
+    mutable bool inState;
+    QmlStateGroup *group;
+
+    QmlStateOperation::ActionList generateActionList(QmlStateGroup *) const;
+    void complete();
+};
+
+QT_END_NAMESPACE
+
+#endif // QMLSTATE_P_H