/**************************************************************************** | |
** | |
** 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 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. | |
** | |
** | |
** | |
** | |
** | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#ifndef QDECLARATIVESTATE_P_H | |
#define QDECLARATIVESTATE_P_H | |
// | |
// W A R N I N G | |
// ------------- | |
// | |
// This file is not part of the Qt API. It exists purely as an | |
// implementation detail. This header file may change from version to | |
// version without notice, or even be removed. | |
// | |
// We mean it. | |
// | |
#include "private/qdeclarativestate_p.h" | |
#include "private/qdeclarativeanimation_p_p.h" | |
#include "private/qdeclarativetransitionmanager_p_p.h" | |
#include <private/qdeclarativeproperty_p.h> | |
#include <private/qdeclarativeguard_p.h> | |
#include <private/qdeclarativebinding_p.h> | |
#include <private/qobject_p.h> | |
QT_BEGIN_NAMESPACE | |
class QDeclarativeSimpleAction | |
{ | |
public: | |
enum State { StartState, EndState }; | |
QDeclarativeSimpleAction(const QDeclarativeAction &a, State state = StartState) | |
{ | |
m_property = a.property; | |
m_specifiedObject = a.specifiedObject; | |
m_specifiedProperty = a.specifiedProperty; | |
m_event = a.event; | |
if (state == StartState) { | |
m_value = a.fromValue; | |
if (QDeclarativePropertyPrivate::binding(m_property)) { | |
m_binding = QDeclarativeAbstractBinding::getPointer(QDeclarativePropertyPrivate::binding(m_property)); | |
} | |
m_reverseEvent = true; | |
} else { | |
m_value = a.toValue; | |
m_binding = a.toBinding; | |
m_reverseEvent = false; | |
} | |
} | |
~QDeclarativeSimpleAction() | |
{ | |
} | |
QDeclarativeSimpleAction(const QDeclarativeSimpleAction &other) | |
: m_property(other.m_property), | |
m_value(other.m_value), | |
m_binding(QDeclarativeAbstractBinding::getPointer(other.binding())), | |
m_specifiedObject(other.m_specifiedObject), | |
m_specifiedProperty(other.m_specifiedProperty), | |
m_event(other.m_event), | |
m_reverseEvent(other.m_reverseEvent) | |
{ | |
} | |
QDeclarativeSimpleAction &operator =(const QDeclarativeSimpleAction &other) | |
{ | |
m_property = other.m_property; | |
m_value = other.m_value; | |
m_binding = QDeclarativeAbstractBinding::getPointer(other.binding()); | |
m_specifiedObject = other.m_specifiedObject; | |
m_specifiedProperty = other.m_specifiedProperty; | |
m_event = other.m_event; | |
m_reverseEvent = other.m_reverseEvent; | |
return *this; | |
} | |
void setProperty(const QDeclarativeProperty &property) | |
{ | |
m_property = property; | |
} | |
const QDeclarativeProperty &property() const | |
{ | |
return m_property; | |
} | |
void setValue(const QVariant &value) | |
{ | |
m_value = value; | |
} | |
const QVariant &value() const | |
{ | |
return m_value; | |
} | |
void setBinding(QDeclarativeAbstractBinding *binding) | |
{ | |
m_binding = QDeclarativeAbstractBinding::getPointer(binding); | |
} | |
QDeclarativeAbstractBinding *binding() const | |
{ | |
return m_binding.data(); | |
} | |
QObject *specifiedObject() const | |
{ | |
return m_specifiedObject; | |
} | |
const QString &specifiedProperty() const | |
{ | |
return m_specifiedProperty; | |
} | |
QDeclarativeActionEvent *event() const | |
{ | |
return m_event; | |
} | |
bool reverseEvent() const | |
{ | |
return m_reverseEvent; | |
} | |
private: | |
QDeclarativeProperty m_property; | |
QVariant m_value; | |
QDeclarativeAbstractBinding::Pointer m_binding; | |
QObject *m_specifiedObject; | |
QString m_specifiedProperty; | |
QDeclarativeActionEvent *m_event; | |
bool m_reverseEvent; | |
}; | |
class QDeclarativeStateOperationPrivate : public QObjectPrivate | |
{ | |
Q_DECLARE_PUBLIC(QDeclarativeStateOperation) | |
public: | |
QDeclarativeStateOperationPrivate() | |
: m_state(0) {} | |
QDeclarativeState *m_state; | |
}; | |
class QDeclarativeStatePrivate : public QObjectPrivate | |
{ | |
Q_DECLARE_PUBLIC(QDeclarativeState) | |
public: | |
QDeclarativeStatePrivate() | |
: when(0), named(false), inState(false), group(0) {} | |
typedef QList<QDeclarativeSimpleAction> SimpleActionList; | |
QString name; | |
QDeclarativeBinding *when; | |
bool named; | |
struct OperationGuard : public QDeclarativeGuard<QDeclarativeStateOperation> | |
{ | |
OperationGuard(QObject *obj, QList<OperationGuard> *l) : list(l) { (QDeclarativeGuard<QObject>&)*this = obj; } | |
QList<OperationGuard> *list; | |
void objectDestroyed(QDeclarativeStateOperation *) { | |
// we assume priv will always be destroyed after objectDestroyed calls | |
list->removeOne(*this); | |
} | |
}; | |
QList<OperationGuard> operations; | |
static void operations_append(QDeclarativeListProperty<QDeclarativeStateOperation> *prop, QDeclarativeStateOperation *op) { | |
QList<OperationGuard> *list = static_cast<QList<OperationGuard> *>(prop->data); | |
op->setState(qobject_cast<QDeclarativeState*>(prop->object)); | |
list->append(OperationGuard(op, list)); | |
} | |
static void operations_clear(QDeclarativeListProperty<QDeclarativeStateOperation> *prop) { | |
QList<OperationGuard> *list = static_cast<QList<OperationGuard> *>(prop->data); | |
QMutableListIterator<OperationGuard> listIterator(*list); | |
while(listIterator.hasNext()) | |
listIterator.next()->setState(0); | |
list->clear(); | |
} | |
static int operations_count(QDeclarativeListProperty<QDeclarativeStateOperation> *prop) { | |
QList<OperationGuard> *list = static_cast<QList<OperationGuard> *>(prop->data); | |
return list->count(); | |
} | |
static QDeclarativeStateOperation *operations_at(QDeclarativeListProperty<QDeclarativeStateOperation> *prop, int index) { | |
QList<OperationGuard> *list = static_cast<QList<OperationGuard> *>(prop->data); | |
return list->at(index); | |
} | |
QDeclarativeTransitionManager transitionManager; | |
SimpleActionList revertList; | |
QList<QDeclarativeProperty> reverting; | |
QString extends; | |
mutable bool inState; | |
QDeclarativeStateGroup *group; | |
QDeclarativeStateOperation::ActionList generateActionList(QDeclarativeStateGroup *) const; | |
void complete(); | |
}; | |
QT_END_NAMESPACE | |
#endif // QDECLARATIVESTATE_P_H |