animationmanager.cpp Example File

 /****************************************************************************
 **
 ** Copyright (C) 2015 The Qt Company Ltd.
 ** Contact: http://www.qt.io/licensing/
 **
 ** This file is part of the QtCore module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
 ** a written agreement between you and The Qt Company. For licensing terms
 ** and conditions see http://www.qt.io/terms-conditions. For further
 ** information use the contact form at http://www.qt.io/contact-us.
 **
 ** 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 or version 3 as published by the Free
 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and
 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
 ** following information to ensure the GNU Lesser General Public License
 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
 ** As a special exception, The Qt Company gives you certain additional
 ** rights. These rights are described in The Qt Company 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.
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 //Own
 #include "animationmanager.h"

 //Qt
 #include <QtCore/QAbstractAnimation>
 #include <QtCore/QDebug>

 // the universe's only animation manager
 AnimationManager *AnimationManager::instance = 0;

 AnimationManager::AnimationManager()
 {
 }

 AnimationManager *AnimationManager::self()
 {
     if (!instance)
         instance = new AnimationManager;
     return instance;
 }

 void AnimationManager::registerAnimation(QAbstractAnimation *anim)
 {
     QObject::connect(anim, SIGNAL(destroyed(QObject*)), this, SLOT(unregisterAnimation_helper(QObject*)));
     animations.append(anim);
 }

 void AnimationManager::unregisterAnimation_helper(QObject *obj)
 {
     unregisterAnimation(static_cast<QAbstractAnimation*>(obj));
 }

 void AnimationManager::unregisterAnimation(QAbstractAnimation *anim)
 {
     QObject::disconnect(anim, SIGNAL(destroyed(QObject*)), this, SLOT(unregisterAnimation_helper(QObject*)));
     animations.removeAll(anim);
 }

 void AnimationManager::unregisterAllAnimations()
 {
     animations.clear();
 }

 void AnimationManager::pauseAll()
 {
     foreach (QAbstractAnimation* animation, animations) {
         if (animation->state() == QAbstractAnimation::Running)
             animation->pause();
     }
 }
 void AnimationManager::resumeAll()
 {
     foreach (QAbstractAnimation* animation, animations) {
         if (animation->state() == QAbstractAnimation::Paused)
             animation->resume();
     }
 }