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Diffstat (limited to 'src/quick/util/qdeclarativetransitionmanager.cpp')
| -rw-r--r-- | src/quick/util/qdeclarativetransitionmanager.cpp | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/src/quick/util/qdeclarativetransitionmanager.cpp b/src/quick/util/qdeclarativetransitionmanager.cpp deleted file mode 100644 index ebe7805c62..0000000000 --- a/src/quick/util/qdeclarativetransitionmanager.cpp +++ /dev/null @@ -1,294 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** 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. -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qdeclarativetransitionmanager_p_p.h" - -#include "qdeclarativetransition_p.h" -#include "qdeclarativestate_p_p.h" - -#include <private/qdeclarativebinding_p.h> -#include <private/qdeclarativeglobal_p.h> -#include <private/qdeclarativeproperty_p.h> - -#include <QtCore/qdebug.h> - -QT_BEGIN_NAMESPACE - -DEFINE_BOOL_CONFIG_OPTION(stateChangeDebug, STATECHANGE_DEBUG); - -class QDeclarativeTransitionManagerPrivate -{ -public: - QDeclarativeTransitionManagerPrivate() - : state(0), transitionInstance(0) {} - - void applyBindings(); - typedef QList<QDeclarativeSimpleAction> SimpleActionList; - QDeclarativeState *state; - QDeclarativeTransitionInstance *transitionInstance; - QDeclarativeStateOperation::ActionList bindingsList; - SimpleActionList completeList; -}; - -QDeclarativeTransitionManager::QDeclarativeTransitionManager() -: d(new QDeclarativeTransitionManagerPrivate) -{ -} - -void QDeclarativeTransitionManager::setState(QDeclarativeState *s) -{ - d->state = s; -} - -QDeclarativeTransitionManager::~QDeclarativeTransitionManager() -{ - delete d->transitionInstance; - delete d; d = 0; -} - -bool QDeclarativeTransitionManager::isRunning() const -{ - return d->transitionInstance && d->transitionInstance->isRunning(); -} - -void QDeclarativeTransitionManager::complete() -{ - d->applyBindings(); - - for (int ii = 0; ii < d->completeList.count(); ++ii) { - const QDeclarativeProperty &prop = d->completeList.at(ii).property(); - prop.write(d->completeList.at(ii).value()); - } - - d->completeList.clear(); - - if (d->state) - static_cast<QDeclarativeStatePrivate*>(QObjectPrivate::get(d->state))->complete(); - - finished(); -} - -void QDeclarativeTransitionManagerPrivate::applyBindings() -{ - foreach(const QDeclarativeAction &action, bindingsList) { - if (!action.toBinding.isNull()) { - QDeclarativePropertyPrivate::setBinding(action.property, action.toBinding.data()); - } else if (action.event) { - if (action.reverseEvent) - action.event->reverse(); - else - action.event->execute(); - } - - } - - bindingsList.clear(); -} - -void QDeclarativeTransitionManager::finished() -{ -} - -void QDeclarativeTransitionManager::transition(const QList<QDeclarativeAction> &list, - QDeclarativeTransition *transition, - QObject *defaultTarget) -{ - cancel(); - - QDeclarativeStateOperation::ActionList applyList = list; - // Determine which actions are binding changes and disable any current bindings - foreach(const QDeclarativeAction &action, applyList) { - if (action.toBinding) - d->bindingsList << action; - if (action.fromBinding) - QDeclarativePropertyPrivate::setBinding(action.property, 0); // Disable current binding - if (action.event && action.event->changesBindings()) { //### assume isReversable()? - d->bindingsList << action; - action.event->clearBindings(); - } - } - - // Animated transitions need both the start and the end value for - // each property change. In the presence of bindings, the end values - // are non-trivial to calculate. As a "best effort" attempt, we first - // apply all the property and binding changes, then read all the actual - // final values, then roll back the changes and proceed as normal. - // - // This doesn't catch everything, and it might be a little fragile in - // some cases - but whatcha going to do? - // - // Note that we only fast forward if both a transition and bindings are - // present, as it is unneccessary (and potentially expensive) otherwise. - - if (transition && !d->bindingsList.isEmpty()) { - - // Apply all the property and binding changes - for (int ii = 0; ii < applyList.size(); ++ii) { - const QDeclarativeAction &action = applyList.at(ii); - if (!action.toBinding.isNull()) { - QDeclarativePropertyPrivate::setBinding(action.property, action.toBinding.data(), QDeclarativePropertyPrivate::BypassInterceptor | QDeclarativePropertyPrivate::DontRemoveBinding); - } else if (!action.event) { - QDeclarativePropertyPrivate::write(action.property, action.toValue, QDeclarativePropertyPrivate::BypassInterceptor | QDeclarativePropertyPrivate::DontRemoveBinding); - } else if (action.event->isReversable()) { - if (action.reverseEvent) - action.event->reverse(QDeclarativeActionEvent::FastForward); - else - action.event->execute(QDeclarativeActionEvent::FastForward); - } - } - - // Read all the end values for binding changes - for (int ii = 0; ii < applyList.size(); ++ii) { - QDeclarativeAction *action = &applyList[ii]; - if (action->event) { - action->event->saveTargetValues(); - continue; - } - const QDeclarativeProperty &prop = action->property; - if (!action->toBinding.isNull() || !action->toValue.isValid()) { - action->toValue = prop.read(); - } - } - - // Revert back to the original values - foreach(const QDeclarativeAction &action, applyList) { - if (action.event) { - if (action.event->isReversable()) { - action.event->clearBindings(); - action.event->rewind(); - action.event->clearBindings(); //### shouldn't be needed - } - continue; - } - - if (action.toBinding) - QDeclarativePropertyPrivate::setBinding(action.property, 0); // Make sure this is disabled during the transition - - QDeclarativePropertyPrivate::write(action.property, action.fromValue, QDeclarativePropertyPrivate::BypassInterceptor | QDeclarativePropertyPrivate::DontRemoveBinding); - } - } - - if (transition) { - QList<QDeclarativeProperty> touched; - QDeclarativeTransitionInstance *oldInstance = d->transitionInstance; - d->transitionInstance = transition->prepare(applyList, touched, this, defaultTarget); - d->transitionInstance->start(); - if (oldInstance && oldInstance != d->transitionInstance) - delete oldInstance; - - // Modify the action list to remove actions handled in the transition - for (int ii = 0; ii < applyList.count(); ++ii) { - const QDeclarativeAction &action = applyList.at(ii); - - if (action.event) { - - if (action.actionDone) { - applyList.removeAt(ii); - --ii; - } - - } else { - - if (touched.contains(action.property)) { - if (action.toValue != action.fromValue) - d->completeList << - QDeclarativeSimpleAction(action, QDeclarativeSimpleAction::EndState); - - applyList.removeAt(ii); - --ii; - } - - } - } - } - - // Any actions remaining have not been handled by the transition and should - // be applied immediately. We skip applying bindings, as they are all - // applied at the end in applyBindings() to avoid any nastiness mid - // transition - foreach(const QDeclarativeAction &action, applyList) { - if (action.event && !action.event->changesBindings()) { - if (action.event->isReversable() && action.reverseEvent) - action.event->reverse(); - else - action.event->execute(); - } else if (!action.event && !action.toBinding) { - action.property.write(action.toValue); - } - } -#ifndef QT_NO_DEBUG_STREAM - if (stateChangeDebug()) { - foreach(const QDeclarativeAction &action, applyList) { - if (action.event) - qWarning() << " No transition for event:" << action.event->type(); - else - qWarning() << " No transition for:" << action.property.object() - << action.property.name() << "From:" << action.fromValue - << "To:" << action.toValue; - } - } -#endif - if (!transition) - complete(); -} - -void QDeclarativeTransitionManager::cancel() -{ - if (d->transitionInstance && d->transitionInstance->isRunning()) - d->transitionInstance->stop(); - - for(int i = 0; i < d->bindingsList.count(); ++i) { - QDeclarativeAction action = d->bindingsList[i]; - if (!action.toBinding.isNull() && action.deletableToBinding) { - QDeclarativePropertyPrivate::setBinding(action.property, 0); - action.toBinding.data()->destroy(); - action.toBinding.clear(); - action.deletableToBinding = false; - } else if (action.event) { - //### what do we do here? - } - - } - d->bindingsList.clear(); - d->completeList.clear(); -} - -QT_END_NAMESPACE |