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authorMatthew Vogt <matthew.vogt@nokia.com>2012-01-30 14:16:15 +1000
committerMatthew Vogt <matthew.vogt@nokia.com>2012-01-30 14:16:15 +1000
commit12a5ddf456ba8549645a8cb28a8b4ed6197a14da (patch)
tree63ee2c88af936e0609a3a194f5bcc304c4c0b707 /src/declarative/util/qdeclarativeanimation_p_p.h
downloadqtquick1-12a5ddf456ba8549645a8cb28a8b4ed6197a14da.tar.gz
Import relevant source from Qt 4.8
Change-Id: I5078db4081d95290c54f39d3c0efc2fc2f62e6a6
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+/****************************************************************************
+**
+** Copyright (C) 2012 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 QDECLARATIVEANIMATION_P_H
+#define QDECLARATIVEANIMATION_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/qdeclarativeanimation_p.h"
+
+#include "private/qdeclarativenullablevalue_p_p.h"
+#include "private/qdeclarativetimeline_p_p.h"
+
+#include <qdeclarative.h>
+#include <qdeclarativeitem.h>
+#include <qdeclarativecontext.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 QDeclarativeAbstractAnimationAction)
+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 Q_AUTOTEST_EXPORT QActionAnimation : public QAbstractAnimation
+{
+ Q_OBJECT
+public:
+ QActionAnimation(QObject *parent = 0) : QAbstractAnimation(parent), animAction(0), policy(KeepWhenStopped) {}
+ QActionAnimation(QAbstractAnimationAction *action, QObject *parent = 0)
+ : QAbstractAnimation(parent), animAction(action), policy(KeepWhenStopped) {}
+ ~QActionAnimation() { if (policy == DeleteWhenStopped) { delete animAction; animAction = 0; } }
+ virtual int duration() const { return 0; }
+ void setAnimAction(QAbstractAnimationAction *action, DeletionPolicy p)
+ {
+ if (state() == Running)
+ stop();
+ if (policy == DeleteWhenStopped)
+ delete animAction;
+ animAction = action;
+ policy = p;
+ }
+protected:
+ virtual void updateCurrentTime(int) {}
+
+ virtual void updateState(State newState, State /*oldState*/)
+ {
+ if (newState == Running) {
+ if (animAction) {
+ animAction->doAction();
+ if (state() == Stopped && policy == DeleteWhenStopped) {
+ delete animAction;
+ animAction = 0;
+ }
+ }
+ }
+ }
+
+private:
+ QAbstractAnimationAction *animAction;
+ DeletionPolicy policy;
+};
+
+class QDeclarativeBulkValueUpdater
+{
+public:
+ virtual ~QDeclarativeBulkValueUpdater() {}
+ virtual void setValue(qreal value) = 0;
+};
+
+//animates QDeclarativeBulkValueUpdater (assumes start and end values will be reals or compatible)
+class Q_AUTOTEST_EXPORT QDeclarativeBulkValueAnimator : public QVariantAnimation
+{
+ Q_OBJECT
+public:
+ QDeclarativeBulkValueAnimator(QObject *parent = 0) : QVariantAnimation(parent), animValue(0), fromSourced(0), policy(KeepWhenStopped) {}
+ ~QDeclarativeBulkValueAnimator() { if (policy == DeleteWhenStopped) { delete animValue; animValue = 0; } }
+ void setAnimValue(QDeclarativeBulkValueUpdater *value, DeletionPolicy p)
+ {
+ if (state() == Running)
+ stop();
+ if (policy == DeleteWhenStopped)
+ delete animValue;
+ animValue = value;
+ policy = p;
+ }
+ void setFromSourcedValue(bool *value)
+ {
+ fromSourced = value;
+ }
+protected:
+ virtual void updateCurrentValue(const QVariant &value)
+ {
+ if (state() == QAbstractAnimation::Stopped)
+ return;
+
+ 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;
+ }
+ }
+
+private:
+ QDeclarativeBulkValueUpdater *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 QDeclarativeAbstractAnimationPrivate : public QObjectPrivate
+{
+ Q_DECLARE_PUBLIC(QDeclarativeAbstractAnimation)
+public:
+ QDeclarativeAbstractAnimationPrivate()
+ : running(false), paused(false), alwaysRunToEnd(false),
+ connectedTimeLine(false), componentComplete(true),
+ avoidPropertyValueSourceStart(false), disableUserControl(false),
+ registered(false), loopCount(1), group(0) {}
+
+ bool running:1;
+ bool paused:1;
+ bool alwaysRunToEnd:1;
+ bool connectedTimeLine:1;
+ bool componentComplete:1;
+ bool avoidPropertyValueSourceStart:1;
+ bool disableUserControl:1;
+ bool registered:1;
+
+ int loopCount;
+
+ void commence();
+
+ QDeclarativeProperty defaultProperty;
+
+ QDeclarativeAnimationGroup *group;
+
+ static QDeclarativeProperty createProperty(QObject *obj, const QString &str, QObject *infoObj);
+};
+
+class QDeclarativePauseAnimationPrivate : public QDeclarativeAbstractAnimationPrivate
+{
+ Q_DECLARE_PUBLIC(QDeclarativePauseAnimation)
+public:
+ QDeclarativePauseAnimationPrivate()
+ : QDeclarativeAbstractAnimationPrivate(), pa(0) {}
+
+ void init();
+
+ QPauseAnimation *pa;
+};
+
+class QDeclarativeScriptActionPrivate : public QDeclarativeAbstractAnimationPrivate
+{
+ Q_DECLARE_PUBLIC(QDeclarativeScriptAction)
+public:
+ QDeclarativeScriptActionPrivate();
+
+ void init();
+
+ QDeclarativeScriptString script;
+ QString name;
+ QDeclarativeScriptString runScriptScript;
+ bool hasRunScriptScript;
+ bool reversing;
+
+ void execute();
+
+ QAnimationActionProxy<QDeclarativeScriptActionPrivate,
+ &QDeclarativeScriptActionPrivate::execute> proxy;
+ QActionAnimation *rsa;
+};
+
+class QDeclarativePropertyActionPrivate : public QDeclarativeAbstractAnimationPrivate
+{
+ Q_DECLARE_PUBLIC(QDeclarativePropertyAction)
+public:
+ QDeclarativePropertyActionPrivate()
+ : QDeclarativeAbstractAnimationPrivate(), target(0), spa(0) {}
+
+ void init();
+
+ QObject *target;
+ QString propertyName;
+ QString properties;
+ QList<QObject *> targets;
+ QList<QObject *> exclude;
+
+ QDeclarativeNullableValue<QVariant> value;
+
+ QActionAnimation *spa;
+};
+
+class QDeclarativeAnimationGroupPrivate : public QDeclarativeAbstractAnimationPrivate
+{
+ Q_DECLARE_PUBLIC(QDeclarativeAnimationGroup)
+public:
+ QDeclarativeAnimationGroupPrivate()
+ : QDeclarativeAbstractAnimationPrivate(), ag(0) {}
+
+ static void append_animation(QDeclarativeListProperty<QDeclarativeAbstractAnimation> *list, QDeclarativeAbstractAnimation *role);
+ static void clear_animation(QDeclarativeListProperty<QDeclarativeAbstractAnimation> *list);
+ QList<QDeclarativeAbstractAnimation *> animations;
+ QAnimationGroup *ag;
+};
+
+class QDeclarativePropertyAnimationPrivate : public QDeclarativeAbstractAnimationPrivate
+{
+ Q_DECLARE_PUBLIC(QDeclarativePropertyAnimation)
+public:
+ QDeclarativePropertyAnimationPrivate()
+ : QDeclarativeAbstractAnimationPrivate(), target(0), fromSourced(false), fromIsDefined(false), toIsDefined(false),
+ rangeIsSet(false), defaultToInterpolatorType(0), interpolatorType(0), interpolator(0), va(0), actions(0) {}
+
+ void init();
+
+ QVariant from;
+ QVariant to;
+
+ QObject *target;
+ QString propertyName;
+ QString properties;
+ QList<QObject *> targets;
+ QList<QObject *> exclude;
+ QString defaultProperties;
+
+ bool fromSourced;
+ bool fromIsDefined:1;
+ bool toIsDefined:1;
+ bool rangeIsSet:1;
+ bool defaultToInterpolatorType:1;
+ int interpolatorType;
+ QVariantAnimation::Interpolator interpolator;
+
+ QDeclarativeBulkValueAnimator *va;
+
+ // for animations that don't use the QDeclarativeBulkValueAnimator
+ QDeclarativeStateActions *actions;
+
+ static QVariant interpolateVariant(const QVariant &from, const QVariant &to, qreal progress);
+ static void convertVariant(QVariant &variant, int type);
+};
+
+class QDeclarativeRotationAnimationPrivate : public QDeclarativePropertyAnimationPrivate
+{
+ Q_DECLARE_PUBLIC(QDeclarativeRotationAnimation)
+public:
+ QDeclarativeRotationAnimationPrivate() : direction(QDeclarativeRotationAnimation::Numerical) {}
+
+ QDeclarativeRotationAnimation::RotationDirection direction;
+};
+
+class QDeclarativeParentAnimationPrivate : public QDeclarativeAnimationGroupPrivate
+{
+ Q_DECLARE_PUBLIC(QDeclarativeParentAnimation)
+public:
+ QDeclarativeParentAnimationPrivate()
+ : QDeclarativeAnimationGroupPrivate(), target(0), newParent(0),
+ via(0), topLevelGroup(0), startAction(0), endAction(0) {}
+
+ QDeclarativeItem *target;
+ QDeclarativeItem *newParent;
+ QDeclarativeItem *via;
+
+ QSequentialAnimationGroup *topLevelGroup;
+ QActionAnimation *startAction;
+ QActionAnimation *endAction;
+
+ QPointF computeTransformOrigin(QDeclarativeItem::TransformOrigin origin, qreal width, qreal height) const;
+};
+
+class QDeclarativeAnchorAnimationPrivate : public QDeclarativeAbstractAnimationPrivate
+{
+ Q_DECLARE_PUBLIC(QDeclarativeAnchorAnimation)
+public:
+ QDeclarativeAnchorAnimationPrivate() : rangeIsSet(false), va(0),
+ interpolator(QVariantAnimationPrivate::getInterpolator(QMetaType::QReal)) {}
+
+ bool rangeIsSet;
+ QDeclarativeBulkValueAnimator *va;
+ QVariantAnimation::Interpolator interpolator;
+ QList<QDeclarativeItem*> targets;
+};
+
+class Q_AUTOTEST_EXPORT QDeclarativeAnimationPropertyUpdater : public QDeclarativeBulkValueUpdater
+{
+public:
+ QDeclarativeStateActions actions;
+ int interpolatorType; //for Number/ColorAnimation
+ int prevInterpolatorType; //for generic
+ QVariantAnimation::Interpolator interpolator;
+ bool reverse;
+ bool fromSourced;
+ bool fromDefined;
+ bool *wasDeleted;
+ QDeclarativeAnimationPropertyUpdater() : prevInterpolatorType(0), wasDeleted(0) {}
+ ~QDeclarativeAnimationPropertyUpdater() { if (wasDeleted) *wasDeleted = true; }
+ void setValue(qreal v);
+};
+
+QT_END_NAMESPACE
+
+#endif // QDECLARATIVEANIMATION_P_H