Qt 4.8: businesscardhandling.cpp Example File (demos/mobile/qcamera/businesscardhandling.cpp)

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# businesscardhandling.cpp Example File

demos/mobile/qcamera/businesscardhandling.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2015 The Qt Company Ltd.
     ** Contact: http://www.qt.io/licensing/
     **
     ** This file is part of the demonstration applications of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:BSD$
     ** You may use this file under the terms of the BSD license as follows:
     **
     ** "Redistribution and use in source and binary forms, with or without
     ** modification, are permitted provided that the following conditions are
     ** met:
     **   * Redistributions of source code must retain the above copyright
     **     notice, this list of conditions and the following disclaimer.
     **   * Redistributions in binary form must reproduce the above copyright
     **     notice, this list of conditions and the following disclaimer in
     **     the documentation and/or other materials provided with the
     **     distribution.
     **   * Neither the name of The Qt Company Ltd nor the names of its
     **     contributors may be used to endorse or promote products derived
     **     from this software without specific prior written permission.
     **
     **
     ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
     **
     ** $QT_END_LICENSE$
     **
     ****************************************************************************/

     #include "businesscardhandling.h"
     #include <QFile>

     BusinessCardHandling::BusinessCardHandling(QObject *parent) :
         QObject(parent)
     {
     }

     BusinessCardHandling::~BusinessCardHandling()
     {
         delete m_contactManager;
     }

     void BusinessCardHandling::createContactManager()
     {
     #if defined Q_WS_MAEMO_5
         m_contactManager = new QContactManager("maemo5");
     #elif defined Q_OS_SYMBIAN
         m_contactManager = new QContactManager("symbian");
     #endif

         // Use default
         if (!m_contactManager) {
             m_contactManager = new QContactManager();
         }
     }

     void BusinessCardHandling::storeAvatarToContact(QString phoneNumber, QString filename,
         QPixmap pixmap)
     {
         // Create QContactManager
         if (!m_contactManager) {
             createContactManager();
         }

         // Search contacts and save avatar
         QContact contact;
         if (findContact(phoneNumber, contact)) {
             saveAvatar(filename, pixmap, contact);
         }
     }

     bool BusinessCardHandling::findContact(const QString phoneNumber, QContact& c)
     {
         // Create QContactManager
         if (!m_contactManager) {
             createContactManager();
         }

         QContact contact;
         QContactDetailFilter phoneFilter;
         phoneFilter.setDetailDefinitionName(QContactPhoneNumber::DefinitionName,
             QContactPhoneNumber::FieldNumber);

     #if defined Q_WS_MAEMO_5
         // Workaround for Maemo bug http://bugreports.qt-project.org/browse/QTMOBILITY-437
         phoneFilter.setValue(phoneNumber.right(7));
         phoneFilter.setMatchFlags(QContactFilter::MatchContains);
     #else
         phoneFilter.setValue(phoneNumber);
         phoneFilter.setMatchFlags(QContactFilter::MatchPhoneNumber);
     #endif

         // Find contacts
         QList<QContact> matchingContacts = m_contactManager->contacts(phoneFilter);
         if (matchingContacts.size() > 0) {
             contact = matchingContacts.at(0);
             c = contact;
             return true;
         } else {
             return false;
         }
     }

     void BusinessCardHandling::saveAvatar(const QString filename, QPixmap p, QContact& contact)
     {

         // Path to store avatar picture
         QString path;
     #ifdef Q_OS_SYMBIAN
         path.append("c:/System/");
     #endif
         path.append(filename);

         // Remove same file if exists
         QFile file;
         if (file.exists(path))
             file.remove(path);

         // Save pixmap into file
         bool saveRet = p.save(path);

         if (saveRet) {
             // Create avatar
             QContactAvatar contactAvatar;
             contactAvatar.setImageUrl(QUrl(path));
             bool saveAvatar = contact.saveDetail(&contactAvatar);

             // Save contact
             if (saveAvatar)
                 m_contactManager->saveContact(&contact);

             // NOTE: Do not remove picture, system needs it for showing avatar
             // Remove picture file
             //bool removeRet = file.remove(path);
         }
     }