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+/****************************************************************************
+**
+** Copyright (C) 2010 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDECLARATIVESTATE_P_H
+#define QDECLARATIVESTATE_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 "qdeclarativestate_p.h"
+
+#include "qdeclarativeanimation_p_p.h"
+#include "qdeclarativetransitionmanager_p_p.h"
+
+#include <qdeclarativeguard_p.h>
+
+#include <private/qobject_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QDeclarativeSimpleAction
+{
+public:
+    enum State { StartState, EndState };
+    QDeclarativeSimpleAction(const QDeclarativeAction &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;
+        }
+    }
+
+    QDeclarativeMetaProperty property;
+    QVariant value;
+    QDeclarativeAbstractBinding *binding;
+    QObject *specifiedObject;
+    QString specifiedProperty;
+    QDeclarativeActionEvent *event;
+    bool reverseEvent;
+};
+
+class QDeclarativeStatePrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QDeclarativeState)
+
+public:
+    QDeclarativeStatePrivate()
+    : when(0), inState(false), group(0) {}
+
+    typedef QList<QDeclarativeSimpleAction> SimpleActionList;
+
+    QString name;
+    QDeclarativeBinding *when;
+
+    struct OperationGuard : public QDeclarativeGuard<QDeclarativeStateOperation>
+    {
+        OperationGuard(QObject *obj, QList<OperationGuard> *l) : list(l) { (QDeclarativeGuard<QObject>&)*this = obj; }
+        QList<OperationGuard> *list;
+        void objectDestroyed(QDeclarativeStateOperation *) {
+            // we assume priv will always be destroyed after objectDestroyed calls
+            list->removeOne(*this);
+        }
+    };
+    QList<OperationGuard> operations;
+
+    static void operations_append(QDeclarativeListProperty<QDeclarativeStateOperation> *prop, QDeclarativeStateOperation *op) {
+        QList<OperationGuard> *list = static_cast<QList<OperationGuard> *>(prop->data);
+        list->append(OperationGuard(op, list));
+    }
+    static void operations_clear(QDeclarativeListProperty<QDeclarativeStateOperation> *prop) {
+        QList<OperationGuard> *list = static_cast<QList<OperationGuard> *>(prop->data);
+        list->clear();
+    }
+    static int operations_count(QDeclarativeListProperty<QDeclarativeStateOperation> *prop) {
+        QList<OperationGuard> *list = static_cast<QList<OperationGuard> *>(prop->data);
+        return list->count();
+    }
+    static QDeclarativeStateOperation *operations_at(QDeclarativeListProperty<QDeclarativeStateOperation> *prop, int index) {
+        QList<OperationGuard> *list = static_cast<QList<OperationGuard> *>(prop->data);
+        return list->at(index);
+    }
+
+    QDeclarativeTransitionManager transitionManager;
+
+    SimpleActionList revertList;
+    QList<QDeclarativeMetaProperty> reverting;
+    QString extends;
+    mutable bool inState;
+    QDeclarativeStateGroup *group;
+
+    QDeclarativeStateOperation::ActionList generateActionList(QDeclarativeStateGroup *) const;
+    void complete();
+};
+
+QT_END_NAMESPACE
+
+#endif // QDECLARATIVESTATE_P_H