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qquickloader_p_p.h 3.77 KiB
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/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the QtQml module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QQUICKLOADER_P_P_H
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#define QQUICKLOADER_P_P_H
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//
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//  W A R N I N G
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//  -------------
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//
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// This file is not part of the Qt API.  It exists purely as an
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// implementation detail.  This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include "qquickloader_p.h"
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#include "qquickimplicitsizeitem_p_p.h"
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#include "qquickitemchangelistener_p.h"
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#include <qqmlincubator.h>
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#include <private/qv8_p.h>
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QT_BEGIN_NAMESPACE
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class QQuickLoaderPrivate;
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class QQuickLoaderIncubator : public QQmlIncubator
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{
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public:
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    QQuickLoaderIncubator(QQuickLoaderPrivate *l, IncubationMode mode) : QQmlIncubator(mode), loader(l) {}
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protected: virtual void statusChanged(Status); virtual void setInitialState(QObject *); private: QQuickLoaderPrivate *loader; }; class QQmlContext; class QQuickLoaderPrivate : public QQuickImplicitSizeItemPrivate, public QQuickItemChangeListener { Q_DECLARE_PUBLIC(QQuickLoader) public: QQuickLoaderPrivate(); ~QQuickLoaderPrivate(); void itemGeometryChanged(QQuickItem *item, const QRectF &newGeometry, const QRectF &oldGeometry); void itemImplicitWidthChanged(QQuickItem *); void itemImplicitHeightChanged(QQuickItem *); void clear(); void initResize(); void load(); void incubatorStateChanged(QQmlIncubator::Status status); void setInitialState(QObject *o); void disposeInitialPropertyValues(); QUrl resolveSourceUrl(QQmlV8Function *args); v8::Handle<v8::Object> extractInitialPropertyValues(QQmlV8Function *args, QObject *loader, bool *error); virtual qreal getImplicitWidth() const; virtual qreal getImplicitHeight() const; QUrl source; QQuickItem *item; QQmlComponent *component; QQmlContext *itemContext; QQuickLoaderIncubator *incubator; v8::Persistent<v8::Object> initialPropertyValues; v8::Persistent<v8::Object> qmlGlobalForIpv; bool updatingSize: 1; bool active : 1; bool loadingFromSource : 1; bool asynchronous : 1; void _q_sourceLoaded(); void _q_updateSize(bool loaderGeometryChanged = true); }; QT_END_NAMESPACE #endif // QQUICKLOADER_P_P_H