annotatedurl.cpp Example File

 /****************************************************************************
 **
 ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
 ** Contact: http://www.qt-project.org/legal
 **
 ** This file is part of the examples of the Qt Mobility Components.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** 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 Digia Plc and its Subsidiary(-ies) 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 "annotatedurl.h"

 #include <qnearfieldtarget.h>
 #include <qndefmessage.h>
 #include <qndefrecord.h>
 #include <qndefnfctextrecord.h>
 #include <qndefnfcurirecord.h>

 #include <QtCore/QUrl>
 #include <QtCore/QLocale>

 #include <QtGui/QGridLayout>
 #include <QtGui/QLabel>
 #include <QtGui/QMouseEvent>
 #include <QtGui/QDesktopServices>

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

 AnnotatedUrl::~AnnotatedUrl()
 {
 }

 void AnnotatedUrl::handleMessage(const QNdefMessage &message, QNearFieldTarget *target)
 {
     Q_UNUSED(target);

     enum {
         MatchedNone,
         MatchedFirst,
         MatchedEnglish,
         MatchedLanguage,
         MatchedLanguageAndCountry
     } bestMatch = MatchedNone;

     QLocale defaultLocale;

     QString title;
     QUrl url;
     QPixmap pixmap;

     foreach (const QNdefRecord &record, message) {
         if (record.isRecordType<QNdefNfcTextRecord>()) {
             QNdefNfcTextRecord textRecord(record);

             QLocale locale(textRecord.locale());

             // already found best match
             if (bestMatch == MatchedLanguageAndCountry) {
                 // do nothing
             } else if (bestMatch <= MatchedLanguage && locale == defaultLocale) {
                 title = textRecord.text();
                 bestMatch = MatchedLanguageAndCountry;
             } else if (bestMatch <= MatchedEnglish &&
                        locale.language() == defaultLocale.language()) {
                 title = textRecord.text();
                 bestMatch = MatchedLanguage;
             } else if (bestMatch <= MatchedFirst && locale.language() == QLocale::English) {
                 title = textRecord.text();
                 bestMatch = MatchedEnglish;
             } else if (bestMatch == MatchedNone) {
                 title = textRecord.text();
                 bestMatch = MatchedFirst;
             }
         } else if (record.isRecordType<QNdefNfcUriRecord>()) {
             QNdefNfcUriRecord uriRecord(record);

             url = uriRecord.uri();
         } else if (record.typeNameFormat() == QNdefRecord::Mime &&
                    record.type().startsWith("image/")) {
             pixmap = QPixmap::fromImage(QImage::fromData(record.payload()));
         }
     }

     emit annotatedUrl(url, title, pixmap);
 }