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+/****************************************************************************
+**
+** Copyright (C) 2009 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 QMLANIMATION_P_H
+#define QMLANIMATION_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 "qmlanimation_p.h"
+
+#include "qmlnullablevalue_p_p.h"
+#include "qmltimeline_p_p.h"
+
+#include <qml.h>
+#include <qmlcontext.h>
+
+#include <QtCore/QPauseAnimation>
+#include <QtCore/QVariantAnimation>
+#include <QtCore/QAnimationGroup>
+#include <QtGui/QColor>
+#include <QDebug>
+
+#include <private/qobject_p.h>
+#include <private/qvariantanimation_p.h>
+
+QT_BEGIN_NAMESPACE
+
+//interface for classes that provide animation actions for QActionAnimation
+class QAbstractAnimationAction
+{
+public:
+    virtual ~QAbstractAnimationAction() {}
+    virtual void doAction() = 0;
+};
+
+//templated animation action
+//allows us to specify an action that calls a function of a class.
+//(so that class doesn't have to inherit QmlAbstractAnimationAction)
+template<class T, void (T::*method)()>
+class QAnimationActionProxy : public QAbstractAnimationAction
+{
+public:
+    QAnimationActionProxy(T *p) : m_p(p) {}
+    virtual void doAction() { (m_p->*method)(); }
+
+private:
+    T *m_p;
+};
+
+//performs an action of type QAbstractAnimationAction
+class QActionAnimation : public QAbstractAnimation
+{
+    Q_OBJECT
+public:
+    QActionAnimation(QObject *parent = 0) : QAbstractAnimation(parent), animAction(0), policy(KeepWhenStopped), running(false) {}
+    QActionAnimation(QAbstractAnimationAction *action, QObject *parent = 0)
+        : QAbstractAnimation(parent), animAction(action), policy(KeepWhenStopped), running(false) {}
+    ~QActionAnimation() { if (policy == DeleteWhenStopped) { delete animAction; animAction = 0; } }
+    virtual int duration() const { return 0; }
+    void setAnimAction(QAbstractAnimationAction *action, DeletionPolicy p)
+    {
+        if (state() == Running)
+            stop();
+        animAction = action;
+        policy = p;
+    }
+protected:
+    virtual void updateCurrentTime(int) {}
+
+    virtual void updateState(State newState, State /*oldState*/)
+    {
+        if (newState == Running) {
+            if (animAction) {
+                running = true;
+                animAction->doAction();
+                running = false;
+                if (state() == Stopped && policy == DeleteWhenStopped) {
+                    delete animAction;
+                    animAction = 0;
+                }
+            }
+        } else if (newState == Stopped && policy == DeleteWhenStopped) {
+            if (!running) {
+                delete animAction;
+                animAction = 0;
+            }
+        }
+    }
+
+private:
+    QAbstractAnimationAction *animAction;
+    DeletionPolicy policy;
+    bool running;
+};
+
+//animates QmlTimeLineValue (assumes start and end values will be reals or compatible)
+class QmlTimeLineValueAnimator : public QVariantAnimation
+{
+    Q_OBJECT
+public:
+    QmlTimeLineValueAnimator(QObject *parent = 0) : QVariantAnimation(parent), animValue(0), fromSourced(0), policy(KeepWhenStopped) {}
+    ~QmlTimeLineValueAnimator() { if (policy == DeleteWhenStopped) { delete animValue; animValue = 0; } }
+    void setAnimValue(QmlTimeLineValue *value, DeletionPolicy p)
+    {
+        if (state() == Running)
+            stop();
+        animValue = value;
+        policy = p;
+    }
+    void setFromSourcedValue(bool *value)
+    {
+        fromSourced = value;
+    }
+protected:
+    virtual void updateCurrentValue(const QVariant &value)
+    {
+        if (animValue)
+            animValue->setValue(value.toReal());
+    }
+    virtual void updateState(State newState, State oldState)
+    {
+        QVariantAnimation::updateState(newState, oldState);
+        if (newState == Running) {
+            //check for new from every loop
+            if (fromSourced)
+                *fromSourced = false;
+        } else if (newState == Stopped && policy == DeleteWhenStopped) {
+            delete animValue;
+            animValue = 0;
+        }
+    }
+
+private:
+    QmlTimeLineValue *animValue;
+    bool *fromSourced;
+    DeletionPolicy policy;
+};
+
+//an animation that just gives a tick
+template<class T, void (T::*method)(int)>
+class QTickAnimationProxy : public QAbstractAnimation
+{
+    //Q_OBJECT //doesn't work with templating
+public:
+    QTickAnimationProxy(T *p, QObject *parent = 0) : QAbstractAnimation(parent), m_p(p) {}
+    virtual int duration() const { return -1; }
+protected:
+    virtual void updateCurrentTime(int msec) { (m_p->*method)(msec); }
+
+private:
+    T *m_p;
+};
+
+class QmlAbstractAnimationPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QmlAbstractAnimation)
+public:
+    QmlAbstractAnimationPrivate()
+    : running(false), paused(false), alwaysRunToEnd(false), repeat(false),
+      connectedTimeLine(false), componentComplete(true), startOnCompletion(false),
+      avoidPropertyValueSourceStart(false), group(0) {}
+
+    bool running:1;
+    bool paused:1;
+    bool alwaysRunToEnd:1;
+    bool repeat:1;
+    bool connectedTimeLine:1;
+
+    bool componentComplete:1;
+    bool startOnCompletion:1;
+    bool avoidPropertyValueSourceStart:1;
+
+    void commence();
+
+    QmlNullableValue<QmlMetaProperty> userProperty;
+
+    QmlMetaProperty property;
+    QmlAnimationGroup *group;
+
+    static QmlMetaProperty createProperty(QObject *obj, const QString &str, QObject *infoObj);
+};
+
+class QmlPauseAnimationPrivate : public QmlAbstractAnimationPrivate
+{
+    Q_DECLARE_PUBLIC(QmlPauseAnimation)
+public:
+    QmlPauseAnimationPrivate()
+    : QmlAbstractAnimationPrivate(), pa(0) {}
+
+    void init();
+
+    QPauseAnimation *pa;
+};
+
+class QmlScriptActionPrivate : public QmlAbstractAnimationPrivate
+{
+    Q_DECLARE_PUBLIC(QmlScriptAction)
+public:
+    QmlScriptActionPrivate()
+        : QmlAbstractAnimationPrivate(), hasRunScriptScript(false), proxy(this), rsa(0) {}
+
+    void init();
+
+    QmlScriptString script;
+    QString name;
+    QmlScriptString runScriptScript;
+    bool hasRunScriptScript;
+
+    void execute();
+
+    QAnimationActionProxy<QmlScriptActionPrivate,
+                  &QmlScriptActionPrivate::execute> proxy;
+    QActionAnimation *rsa;
+};
+
+class QmlPropertyActionPrivate : public QmlAbstractAnimationPrivate
+{
+    Q_DECLARE_PUBLIC(QmlPropertyAction)
+public:
+    QmlPropertyActionPrivate()
+    : QmlAbstractAnimationPrivate(), target(0), proxy(this), spa(0) {}
+
+    void init();
+
+    QObject *target;
+    QString propertyName;
+    QString properties;
+    QList<QObject *> targets;
+    QList<QObject *> exclude;
+
+    QmlNullableValue<QVariant> value;
+
+    void doAction();
+
+    QAnimationActionProxy<QmlPropertyActionPrivate,
+                  &QmlPropertyActionPrivate::doAction> proxy;
+    QActionAnimation *spa;
+};
+
+class QmlParentActionPrivate : public QmlAbstractAnimationPrivate
+{
+    Q_DECLARE_PUBLIC(QmlParentAction)
+public:
+    QmlParentActionPrivate()
+    : QmlAbstractAnimationPrivate(), pcTarget(0), pcMatchTarget(0), pcParent(0) {}
+
+    void init();
+
+    QmlGraphicsItem *pcTarget;
+    QmlGraphicsItem *pcMatchTarget;
+    QmlGraphicsItem *pcParent;
+
+    void doAction();
+    QActionAnimation *cpa;
+};
+
+class QmlAnimationGroupPrivate : public QmlAbstractAnimationPrivate
+{
+    Q_DECLARE_PUBLIC(QmlAnimationGroup)
+public:
+    QmlAnimationGroupPrivate()
+    : QmlAbstractAnimationPrivate(), animations(this), ag(0) {}
+
+    struct AnimationList : public QmlConcreteList<QmlAbstractAnimation *>
+    {
+        AnimationList(QmlAnimationGroupPrivate *p)
+        : anim(p) {}
+        virtual void append(QmlAbstractAnimation *a) {
+            QmlConcreteList<QmlAbstractAnimation *>::append(a);
+            a->setGroup(anim->q_func());
+        }
+        virtual void clear()
+        {
+            for (int i = 0; i < count(); ++i)
+                at(i)->setGroup(0);
+            QmlConcreteList<QmlAbstractAnimation *>::clear();
+        }
+        virtual void removeAt(int i)
+        {
+            at(i)->setGroup(0);
+            QmlConcreteList<QmlAbstractAnimation *>::removeAt(i);
+        }
+        virtual void insert(int i, QmlAbstractAnimation *a)
+        {
+            QmlConcreteList<QmlAbstractAnimation *>::insert(i, a);
+            a->setGroup(anim->q_func());
+        }
+
+        QmlAnimationGroupPrivate *anim;
+    };
+
+    AnimationList animations;
+    QAnimationGroup *ag;
+};
+
+class QmlPropertyAnimationPrivate : public QmlAbstractAnimationPrivate
+{
+    Q_DECLARE_PUBLIC(QmlPropertyAnimation)
+public:
+    QmlPropertyAnimationPrivate()
+    : QmlAbstractAnimationPrivate(), target(0), fromSourced(false), fromIsDefined(false), toIsDefined(false),
+      rangeIsSet(false), defaultToInterpolatorType(0), interpolatorType(0), interpolator(0), va(0),
+      value(this, &QmlPropertyAnimationPrivate::valueChanged) {}
+
+    void init();
+
+    QVariant from;
+    QVariant to;
+
+    QString easing;
+
+    QObject *target;
+    QString propertyName;
+    QString properties;
+    QList<QObject *> targets;
+    QList<QObject *> exclude;
+
+    bool fromSourced;
+    bool fromIsDefined:1;
+    bool toIsDefined:1;
+    bool rangeIsSet:1;
+    bool defaultToInterpolatorType:1;
+    int interpolatorType;
+    QVariantAnimation::Interpolator interpolator;
+
+    QmlTimeLineValueAnimator *va;
+    virtual void valueChanged(qreal);
+
+    QmlTimeLineValueProxy<QmlPropertyAnimationPrivate> value;
+
+    static QVariant interpolateVariant(const QVariant &from, const QVariant &to, qreal progress);
+    static void convertVariant(QVariant &variant, int type);
+};
+
+QT_END_NAMESPACE
+
+#endif // QMLANIMATION_P_H