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     2 **

     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtDeclarative module of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

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    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

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    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

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    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef QDECLARATIVELOADER_H

    43 #define QDECLARATIVELOADER_H

    44 

    45 #include "qdeclarativeitem.h"

    46 

    47 QT_BEGIN_HEADER

    48 

    49 QT_BEGIN_NAMESPACE

    50 

    51 QT_MODULE(Declarative)

    52 

    53 class QDeclarativeLoaderPrivate;

    54 class Q_DECLARATIVE_EXPORT QDeclarativeLoader : public QDeclarativeItem

    55 {

    56     Q_OBJECT

    57     Q_ENUMS(Status)

    58 

    59     Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged)

    60     Q_PROPERTY(QDeclarativeComponent *sourceComponent READ sourceComponent WRITE setSourceComponent RESET resetSourceComponent NOTIFY sourceChanged)

    61     Q_PROPERTY(QGraphicsObject *item READ item NOTIFY itemChanged)

    62     Q_PROPERTY(Status status READ status NOTIFY statusChanged)

    63     Q_PROPERTY(qreal progress READ progress NOTIFY progressChanged)

    64 

    65 public:

    66     QDeclarativeLoader(QDeclarativeItem *parent=0);

    67     virtual ~QDeclarativeLoader();

    68 

    69     QUrl source() const;

    70     void setSource(const QUrl &);

    71 

    72     QDeclarativeComponent *sourceComponent() const;

    73     void setSourceComponent(QDeclarativeComponent *);

    74     void resetSourceComponent();

    75 

    76     enum Status { Null, Ready, Loading, Error };

    77     Status status() const;

    78     qreal progress() const;

    79 

    80     QGraphicsObject *item() const;

    81 

    82 Q_SIGNALS:

    83     void itemChanged();

    84     void sourceChanged();

    85     void statusChanged();

    86     void progressChanged();

    87     void loaded();

    88 

    89 protected:

    90     void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry);

    91     QVariant itemChange(GraphicsItemChange change, const QVariant &value);

    92     bool eventFilter(QObject *watched, QEvent *e);

    93     void componentComplete();

    94 

    95 private:

    96     Q_DISABLE_COPY(QDeclarativeLoader)

    97     Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QDeclarativeLoader)

    98     Q_PRIVATE_SLOT(d_func(), void _q_sourceLoaded())

    99     Q_PRIVATE_SLOT(d_func(), void _q_updateSize())

   100 };

   101 

   102 QT_END_NAMESPACE

   103 

   104 QML_DECLARE_TYPE(QDeclarativeLoader)

   105 

   106 QT_END_HEADER

   107 

   108 #endif // QDECLARATIVELOADER_H