Qt 4.7: animationmanager.cpp Example File (demos/sub-attaq/animationmanager.cpp)

Qt Reference Documentation

# animationmanager.cpp Example File

demos/sub-attaq/animationmanager.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
     ** All rights reserved.
     ** Contact: Nokia Corporation (qt-info@nokia.com)
     **
     ** This file is part of the QtCore module of the Qt Toolkit.
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     ** GNU Lesser General Public License Usage
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     ** file. Please review the following information to ensure the GNU Lesser
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     ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
     **
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     //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();
         }
     }