plugins/declarative/contacts/imageprovider.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
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     7 ** This file is part of the demonstration applications of the Qt Toolkit.
       
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     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
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    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
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    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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    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
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    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 
       
    43 #include <qdeclarativeextensionplugin.h>
       
    44 
       
    45 #include <qdeclarativeengine.h>
       
    46 #include <qdeclarative.h>
       
    47 #include <qcontactmanager.h>
       
    48 #include <qcontactdetails.h>
       
    49 #include "imageprovider.h"
       
    50 
       
    51 
       
    52 QTM_USE_NAMESPACE
       
    53 
       
    54 // This is run in a low priority thread.
       
    55 QImage ContactThumbnailImageProvider::request(const QString &id, QSize *size, const QSize &req_size)
       
    56 {
       
    57     if (m_thumbnails.contains(id)) {
       
    58         if (size)
       
    59             *size = req_size;
       
    60         return m_thumbnails.value(id).scaled(req_size);
       
    61     }
       
    62 
       
    63     /* url format:
       
    64         image://thumbnail/{manager.contactid}
       
    65      */
       
    66 
       
    67     QString managerName = id.split('.').first();
       
    68     QString localId = id.split('.').last();
       
    69 
       
    70     QContactManager* manager = 0;
       
    71     if (m_managers.contains(managerName)) {
       
    72         manager = m_managers.value(managerName);
       
    73     } else {
       
    74         manager = new QContactManager(managerName);
       
    75         m_managers.insert(managerName, manager);
       
    76     }
       
    77 
       
    78     QContact c = manager->contact(localId.toInt());
       
    79 
       
    80     QImage image(
       
    81             req_size.width() > 0 ? req_size.width() : 100,
       
    82             req_size.height() > 0 ? req_size.height() : 50,
       
    83             QImage::Format_RGB32);
       
    84 
       
    85     QContactThumbnail t = c.detail<QContactThumbnail>();
       
    86     if (!t.thumbnail().isNull()) {
       
    87         image = t.thumbnail().scaled(image.size());
       
    88     } else {
       
    89         QContactAvatar a = c.detail<QContactAvatar>();
       
    90         QString imageUrl = a.imageUrl().isEmpty()? QString::fromLatin1("contents/default.svg") : a.imageUrl().toString();
       
    91         image.load(imageUrl);
       
    92     }
       
    93 
       
    94     if (size)
       
    95         *size = image.size();
       
    96 
       
    97     m_thumbnails.insert(id, image);
       
    98 
       
    99     return image;
       
   100 }
       
   101 
       
   102 ContactThumbnailImageProvider::~ContactThumbnailImageProvider()
       
   103 {
       
   104     foreach(const QString& name, m_managers.keys()) {
       
   105         delete m_managers.value(name);
       
   106     }
       
   107 
       
   108     m_managers.clear();
       
   109 }
       
   110 
       
   111