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Diffstat (limited to 'src/declarative/util/qdeclarativestate_p_p.h')
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diff --git a/src/declarative/util/qdeclarativestate_p_p.h b/src/declarative/util/qdeclarativestate_p_p.h new file mode 100644 index 0000000000..888159ea44 --- /dev/null +++ b/src/declarative/util/qdeclarativestate_p_p.h @@ -0,0 +1,253 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** 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 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 |