src/network/access/qnetworkreplydataimpl.cpp

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  41
  42 #include "qnetworkreplydataimpl_p.h"
  43 #include "private/qdataurl_p.h"
  44 #include <QtCore/QCoreApplication>
  45 #include <QtCore/QMetaObject>
  46
  47 QT_BEGIN_NAMESPACE
  48
  49 QNetworkReplyDataImplPrivate::QNetworkReplyDataImplPrivate()
  50     : QNetworkReplyPrivate()
  51 {
  52 }
  53
  54 QNetworkReplyDataImplPrivate::~QNetworkReplyDataImplPrivate()
  55 {
  56 }
  57
  58 QNetworkReplyDataImpl::~QNetworkReplyDataImpl()
  59 {
  60 }
  61
  62 QNetworkReplyDataImpl::QNetworkReplyDataImpl(QObject *parent, const QNetworkRequest &req, const QNetworkAccessManager::Operation op)
  63     : QNetworkReply(*new QNetworkReplyDataImplPrivate(), parent)
  64 {
  65     Q_D(QNetworkReplyDataImpl);
  66     setRequest(req);
  67     setUrl(req.url());
  68     setOperation(op);
  69     setFinished(true);
  70     QNetworkReply::open(QIODevice::ReadOnly);
  71
  72     QUrl url = req.url();
  73     QString mimeType;
  74     QByteArray payload;
  75     if (qDecodeDataUrl(url, mimeType, payload)) {
  76         qint64 size = payload.size();
  77         setHeader(QNetworkRequest::ContentTypeHeader, mimeType);
  78         setHeader(QNetworkRequest::ContentLengthHeader, size);
  79         QMetaObject::invokeMethod(this, "metaDataChanged", Qt::QueuedConnection);
  80
  81         d->decodedData.setData(payload);
  82         d->decodedData.open(QIODevice::ReadOnly);
  83
  84         QMetaObject::invokeMethod(this, "downloadProgress", Qt::QueuedConnection,
  85                                   Q_ARG(qint64,size), Q_ARG(qint64, size));
  86         QMetaObject::invokeMethod(this, "readyRead", Qt::QueuedConnection);
  87         QMetaObject::invokeMethod(this, "finished", Qt::QueuedConnection);
  88     } else {
  89         // something wrong with this URI
  90         const QString msg = QCoreApplication::translate("QNetworkAccessDataBackend",
  91                                                         "Invalid URI: %1").arg(url.toString());
  92         setError(QNetworkReply::ProtocolFailure, msg);
  93         QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection,
  94                                   Q_ARG(QNetworkReply::NetworkError, QNetworkReply::ProtocolFailure));
  95         QMetaObject::invokeMethod(this, "finished", Qt::QueuedConnection);
  96     }
  97 }
  98
  99 void QNetworkReplyDataImpl::close()
 100 {
 101     QNetworkReply::close();
 102 }
 103
 104 void QNetworkReplyDataImpl::abort()
 105 {
 106     QNetworkReply::close();
 107 }
 108
 109 qint64 QNetworkReplyDataImpl::bytesAvailable() const
 110 {
 111     Q_D(const QNetworkReplyDataImpl);
 112     return QNetworkReply::bytesAvailable() + d->decodedData.bytesAvailable();
 113 }
 114
 115 bool QNetworkReplyDataImpl::isSequential () const
 116 {
 117     return true;
 118 }
 119
 120 qint64 QNetworkReplyDataImpl::size() const
 121 {
 122     Q_D(const QNetworkReplyDataImpl);
 123     return d->decodedData.size();
 124 }
 125
 126 /*!
 127     \internal
 128 */
 129 qint64 QNetworkReplyDataImpl::readData(char *data, qint64 maxlen)
 130 {
 131     Q_D(QNetworkReplyDataImpl);
 132
 133     // TODO idea:
 134     // Instead of decoding the whole data into new memory, we could decode on demand.
 135     // Note that this might be tricky to do.
 136
 137     return d->decodedData.read(data, maxlen);
 138 }
 139
 140
 141 QT_END_NAMESPACE
 142
 143 #include "moc_qnetworkreplydataimpl_p.cpp"
 144