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Diffstat (limited to 'src/quick/util/qdeclarativebehavior.cpp')
| -rw-r--r-- | src/quick/util/qdeclarativebehavior.cpp | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/src/quick/util/qdeclarativebehavior.cpp b/src/quick/util/qdeclarativebehavior.cpp deleted file mode 100644 index 6cf372ece9..0000000000 --- a/src/quick/util/qdeclarativebehavior.cpp +++ /dev/null @@ -1,238 +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 "qdeclarativebehavior_p.h" - -#include "qdeclarativeanimation_p.h" -#include <qdeclarativecontext.h> -#include <qdeclarativeinfo.h> -#include <private/qdeclarativeproperty_p.h> -#include <private/qdeclarativeguard_p.h> -#include <private/qdeclarativeengine_p.h> -#include <private/qabstractanimationjob_p.h> -#include <private/qdeclarativetransition_p.h> - -#include <private/qobject_p.h> - -QT_BEGIN_NAMESPACE - -class QDeclarativeBehaviorPrivate : public QObjectPrivate, public QAnimationJobChangeListener -{ - Q_DECLARE_PUBLIC(QDeclarativeBehavior) -public: - QDeclarativeBehaviorPrivate() : animation(0), animationInstance(0), enabled(true), finalized(false) - , blockRunningChanged(false) {} - - virtual void animationStateChanged(QAbstractAnimationJob *, QAbstractAnimationJob::State newState, QAbstractAnimationJob::State oldState); - - QDeclarativeProperty property; - QVariant targetValue; - QDeclarativeGuard<QDeclarativeAbstractAnimation> animation; - QAbstractAnimationJob *animationInstance; - bool enabled; - bool finalized; - bool blockRunningChanged; -}; - -/*! - \qmlclass Behavior QDeclarativeBehavior - \inqmlmodule QtQuick 2 - \ingroup qml-animation-transition - \brief The Behavior element allows you to specify a default animation for a property change. - - A Behavior defines the default animation to be applied whenever a - particular property value changes. - - For example, the following Behavior defines a NumberAnimation to be run - whenever the \l Rectangle's \c width value changes. When the MouseArea - is clicked, the \c width is changed, triggering the behavior's animation: - - \snippet doc/src/snippets/declarative/behavior.qml 0 - - Note that a property cannot have more than one assigned Behavior. To provide - multiple animations within a Behavior, use ParallelAnimation or - SequentialAnimation. - - If a \l{QML States}{state change} has a \l Transition that matches the same property as a - Behavior, the \l Transition animation overrides the Behavior for that - state change. For general advice on using Behaviors to animate state changes, see - \l{Using QML Behaviors with States}. - - \sa {QML Animation and Transitions}, {declarative/animation/behaviors}{Behavior example}, QtDeclarative -*/ - - -QDeclarativeBehavior::QDeclarativeBehavior(QObject *parent) - : QObject(*(new QDeclarativeBehaviorPrivate), parent) -{ -} - -QDeclarativeBehavior::~QDeclarativeBehavior() -{ - Q_D(QDeclarativeBehavior); - delete d->animationInstance; -} - -/*! - \qmlproperty Animation QtQuick2::Behavior::animation - \default - - This property holds the animation to run when the behavior is triggered. -*/ - -QDeclarativeAbstractAnimation *QDeclarativeBehavior::animation() -{ - Q_D(QDeclarativeBehavior); - return d->animation; -} - -void QDeclarativeBehavior::setAnimation(QDeclarativeAbstractAnimation *animation) -{ - Q_D(QDeclarativeBehavior); - if (d->animation) { - qmlInfo(this) << tr("Cannot change the animation assigned to a Behavior."); - return; - } - - d->animation = animation; - if (d->animation) { - d->animation->setDefaultTarget(d->property); - d->animation->setDisableUserControl(); - } -} - - -void QDeclarativeBehaviorPrivate::animationStateChanged(QAbstractAnimationJob *, QAbstractAnimationJob::State newState,QAbstractAnimationJob::State) -{ - if (!blockRunningChanged) - animation->notifyRunningChanged(newState == QAbstractAnimationJob::Running); -} - -/*! - \qmlproperty bool QtQuick2::Behavior::enabled - - This property holds whether the behavior will be triggered when the tracked - property changes value. - - By default a Behavior is enabled. -*/ - -bool QDeclarativeBehavior::enabled() const -{ - Q_D(const QDeclarativeBehavior); - return d->enabled; -} - -void QDeclarativeBehavior::setEnabled(bool enabled) -{ - Q_D(QDeclarativeBehavior); - if (d->enabled == enabled) - return; - d->enabled = enabled; - emit enabledChanged(); -} - -void QDeclarativeBehavior::write(const QVariant &value) -{ - Q_D(QDeclarativeBehavior); - bool bypass = !d->enabled || !d->finalized; - if (!bypass) - qmlExecuteDeferred(this); - if (!d->animation || bypass) { - QDeclarativePropertyPrivate::write(d->property, value, QDeclarativePropertyPrivate::BypassInterceptor | QDeclarativePropertyPrivate::DontRemoveBinding); - d->targetValue = value; - return; - } - - if (d->animation->isRunning() && value == d->targetValue) - return; - - const QVariant ¤tValue = d->property.read(); - d->targetValue = value; - - if (d->animationInstance && d->animationInstance->duration() != -1 - && !d->animationInstance->isStopped()) { - d->blockRunningChanged = true; - d->animationInstance->stop(); - } - - QDeclarativeStateOperation::ActionList actions; - QDeclarativeAction action; - action.property = d->property; - action.fromValue = currentValue; - action.toValue = value; - actions << action; - - QList<QDeclarativeProperty> after; - QAbstractAnimationJob *prev = d->animationInstance; - d->animationInstance = d->animation->transition(actions, after, QDeclarativeAbstractAnimation::Forward); - if (d->animationInstance != prev) { - d->animationInstance->addAnimationChangeListener(d, QAbstractAnimationJob::StateChange); - if (prev) - delete prev; - } - d->animationInstance->start(); - d->blockRunningChanged = false; - if (!after.contains(d->property)) - QDeclarativePropertyPrivate::write(d->property, value, QDeclarativePropertyPrivate::BypassInterceptor | QDeclarativePropertyPrivate::DontRemoveBinding); -} - -void QDeclarativeBehavior::setTarget(const QDeclarativeProperty &property) -{ - Q_D(QDeclarativeBehavior); - d->property = property; - if (d->animation) - d->animation->setDefaultTarget(property); - - QDeclarativeEnginePrivate *engPriv = QDeclarativeEnginePrivate::get(qmlEngine(this)); - static int finalizedIdx = -1; - if (finalizedIdx < 0) - finalizedIdx = metaObject()->indexOfSlot("componentFinalized()"); - engPriv->registerFinalizeCallback(this, finalizedIdx); -} - -void QDeclarativeBehavior::componentFinalized() -{ - Q_D(QDeclarativeBehavior); - d->finalized = true; -} - -QT_END_NAMESPACE |