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Diffstat (limited to 'src/corelib/animation/qanimationgroup.cpp')
| -rw-r--r-- | src/corelib/animation/qanimationgroup.cpp | 309 |
1 files changed, 0 insertions, 309 deletions
diff --git a/src/corelib/animation/qanimationgroup.cpp b/src/corelib/animation/qanimationgroup.cpp deleted file mode 100644 index ed06eff..0000000 --- a/src/corelib/animation/qanimationgroup.cpp +++ /dev/null @@ -1,309 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Qt Software Information (qt-info@nokia.com) -** -** This file is part of the QtCore 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. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -/*! - \class QAnimationGroup - \brief The QAnimationGroup class is an abstract base class for groups of animations. - \since 4.6 - \ingroup animation - - An animation group is a container for animations (subclasses of - QAbstractAnimation). A group is usually responsible for managing - the \l{QAbstractAnimation::State}{state} of its animations, i.e., - it decides when to start, stop, resume, and pause them. Currently, - Qt provides two such groups: QParallelAnimationGroup and - QSequentialAnimationGroup. Look up their class descriptions for - details. - - Since QAnimationGroup inherits from QAbstractAnimation, you can - combine groups, and easily construct complex animation graphs. - You can query QAbstractAnimation for the group it belongs to - (using the \l{QAbstractAnimation::}{group()} function). - - To start a top-level animation group, you simply use the - \l{QAbstractAnimation::}{start()} function from - QAbstractAnimation. By a top-level animation group, we think of a - group that itself is not contained within another group. Starting - sub groups directly is not supported, and may lead to unexpected - behavior. - - \omit OK, we'll put in a snippet on this here \endomit - - QAnimationGroup provides methods for adding and retrieving - animations. Besides that, you can remove animations by calling - remove(), and clear the animation group by calling - clearAnimations(). You may keep track of changes in the group's - animations by listening to QEvent::ChildAdded and - QEvent::ChildRemoved events. - - \omit OK, let's find a snippet here as well. \endomit - - QAnimationGroup takes ownership of the animations it manages, and - ensures that they are deleted when the animation group is deleted. - - You can also use a \l{The State Machine Framework}{state machine} - to create complex animations. The framework provides a special - state, QAnimationState, that plays an animation upon entry and - transitions to a new state when the animation has finished - playing. This technique can also be combined with using animation - groups. - - \sa QAbstractAnimation, QVariantAnimation, {The Animation Framework} -*/ - -#ifndef QT_NO_ANIMATION - -#include "qanimationgroup.h" -#include <QtCore/qdebug.h> -#include <QtCore/qcoreevent.h> -#include "qanimationgroup_p.h" - -QT_BEGIN_NAMESPACE - - -/*! - Constructs a QAnimationGroup. - \a parent is passed to QObject's constructor. -*/ -QAnimationGroup::QAnimationGroup(QObject *parent) - : QAbstractAnimation(*new QAnimationGroupPrivate, parent) -{ -} - -/*! - \internal -*/ -QAnimationGroup::QAnimationGroup(QAnimationGroupPrivate &dd, QObject *parent) - : QAbstractAnimation(dd, parent) -{ -} - -/*! - Destroys the animation group. It will also destroy all its animations. -*/ -QAnimationGroup::~QAnimationGroup() -{ -} - -/*! - Returns a pointer to the animation at \a index in this group. This - function is useful when you need access to a particular animation. \a - index is between 0 and animationCount() - 1. - - \sa animationCount(), indexOfAnimation() -*/ -QAbstractAnimation *QAnimationGroup::animationAt(int index) const -{ - Q_D(const QAnimationGroup); - - if (index < 0 || index >= d->animations.size()) { - qWarning("QAnimationGroup::animationAt: index is out of bounds"); - return 0; - } - - return d->animations.at(index); -} - - -/*! - Returns the number of animations managed by this group. - - \sa indexOfAnimation(), addAnimation(), animationAt() -*/ -int QAnimationGroup::animationCount() const -{ - Q_D(const QAnimationGroup); - return d->animations.size(); -} - -/*! - Returns the index of \a animation. The returned index can be passed - to the other functions that take an index as an argument. - - \sa insertAnimationAt(), animationAt(), takeAnimationAt() -*/ -int QAnimationGroup::indexOfAnimation(QAbstractAnimation *animation) const -{ - Q_D(const QAnimationGroup); - return d->animations.indexOf(animation); -} - -/*! - Adds \a animation to this group. This will call insertAnimationAt with - index equals to animationCount(). - - \note The group takes ownership of the animation. - - \sa removeAnimation() -*/ -void QAnimationGroup::addAnimation(QAbstractAnimation *animation) -{ - Q_D(QAnimationGroup); - insertAnimationAt(d->animations.count(), animation); -} - -/*! - Inserts \a animation into this animation group at \a index. - If \a index is 0 the animation is inserted at the beginning. - If \a index is animationCount(), the animation is inserted at the end. - - \note The group takes ownership of the animation. - - \sa takeAnimationAt(), addAnimation(), indexOfAnimation(), removeAnimation() -*/ -void QAnimationGroup::insertAnimationAt(int index, QAbstractAnimation *animation) -{ - Q_D(QAnimationGroup); - - if (index < 0 || index > d->animations.size()) { - qWarning("QAnimationGroup::insertAnimationAt: index is out of bounds"); - return; - } - - if (QAnimationGroup *oldGroup = animation->group()) - oldGroup->removeAnimation(animation); - - d->animations.insert(index, animation); - QAbstractAnimationPrivate::get(animation)->group = this; - // this will make sure that ChildAdded event is sent to 'this' - animation->setParent(this); - d->animationInsertedAt(index); -} - -/*! - Removes \a animation from this group. The ownership of \a animation is - transferred to the caller. - - \sa takeAnimationAt(), insertAnimationAt(), addAnimation() -*/ -void QAnimationGroup::removeAnimation(QAbstractAnimation *animation) -{ - Q_D(QAnimationGroup); - - if (!animation) { - qWarning("QAnimationGroup::remove: cannot remove null animation"); - return; - } - int index = d->animations.indexOf(animation); - if (index == -1) { - qWarning("QAnimationGroup::remove: animation is not part of this group"); - return; - } - - takeAnimationAt(index); -} - -/*! - Returns the animation at \a index and removes it from the animation group. - - \note The ownership of the animation is transferred to the caller. - - \sa removeAnimation(), addAnimation(), insertAnimation(), indexOfAnimation() -*/ -QAbstractAnimation *QAnimationGroup::takeAnimationAt(int index) -{ - Q_D(QAnimationGroup); - if (index < 0 || index >= d->animations.size()) { - qWarning("QAnimationGroup::takeAnimationAt: no animation at index %d", index); - return 0; - } - QAbstractAnimation *animation = d->animations.at(index); - QAbstractAnimationPrivate::get(animation)->group = 0; - // ### removing from list before doing setParent to avoid inifinite recursion - // in ChildRemoved event - d->animations.removeAt(index); - animation->setParent(0); - d->animationRemovedAt(index); - return animation; -} - -/*! - Removes and deletes all animations in this animation group, and resets the current - time to 0. - - \sa addAnimation(), removeAnimation() -*/ -void QAnimationGroup::clearAnimations() -{ - Q_D(QAnimationGroup); - qDeleteAll(d->animations); -} - -/*! - \reimp -*/ -bool QAnimationGroup::event(QEvent *event) -{ - Q_D(QAnimationGroup); - if (event->type() == QEvent::ChildAdded) { - QChildEvent *childEvent = static_cast<QChildEvent *>(event); - if (QAbstractAnimation *a = qobject_cast<QAbstractAnimation *>(childEvent->child())) { - if (a->group() != this) - addAnimation(a); - } - } else if (event->type() == QEvent::ChildRemoved) { - QChildEvent *childEvent = static_cast<QChildEvent *>(event); - QAbstractAnimation *a = static_cast<QAbstractAnimation *>(childEvent->child()); - // You can only rely on the child being a QObject because in the QEvent::ChildRemoved - // case it might be called from the destructor. - int index = d->animations.indexOf(a); - if (index != -1) - takeAnimationAt(index); - } - return QAbstractAnimation::event(event); -} - - -void QAnimationGroupPrivate::animationRemovedAt(int index) -{ - Q_Q(QAnimationGroup); - Q_UNUSED(index); - if (animations.isEmpty()) { - currentTime = 0; - q->stop(); - } -} - -QT_END_NAMESPACE - -#include "moc_qanimationgroup.cpp" - -#endif //QT_NO_ANIMATION |