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| ****************************************************************************/ |
| |
| #include "qmedianetworkplaylistprovider_p.h" |
| #include "qmediaplaylistprovider_p.h" |
| #include "qmediacontent.h" |
| #include "qmediaobject_p.h" |
| #include "qplaylistfileparser_p.h" |
| #include "qrandom.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QMediaNetworkPlaylistProviderPrivate: public QMediaPlaylistProviderPrivate |
| { |
| Q_DECLARE_NON_CONST_PUBLIC(QMediaNetworkPlaylistProvider) |
| public: |
| bool load(const QNetworkRequest &request); |
| |
| QPlaylistFileParser parser; |
| QList<QMediaContent> resources; |
| |
| void _q_handleParserError(QPlaylistFileParser::ParserError err, const QString &); |
| void _q_handleNewItem(const QVariant& content); |
| |
| QMediaNetworkPlaylistProvider *q_ptr; |
| }; |
| |
| bool QMediaNetworkPlaylistProviderPrivate::load(const QNetworkRequest &request) |
| { |
| parser.abort(); |
| parser.start(request); |
| |
| return true; |
| } |
| |
| void QMediaNetworkPlaylistProviderPrivate::_q_handleParserError(QPlaylistFileParser::ParserError err, const QString &errorMessage) |
| { |
| Q_Q(QMediaNetworkPlaylistProvider); |
| |
| QMediaPlaylist::Error playlistError = QMediaPlaylist::NoError; |
| |
| switch (err) { |
| case QPlaylistFileParser::NoError: |
| return; |
| case QPlaylistFileParser::FormatError: |
| playlistError = QMediaPlaylist::FormatError; |
| break; |
| case QPlaylistFileParser::FormatNotSupportedError: |
| playlistError = QMediaPlaylist::FormatNotSupportedError; |
| break; |
| case QPlaylistFileParser::ResourceError: |
| // fall through |
| case QPlaylistFileParser::NetworkError: |
| playlistError = QMediaPlaylist::NetworkError; |
| break; |
| } |
| |
| parser.abort(); |
| |
| emit q->loadFailed(playlistError, errorMessage); |
| } |
| |
| void QMediaNetworkPlaylistProviderPrivate::_q_handleNewItem(const QVariant& content) |
| { |
| Q_Q(QMediaNetworkPlaylistProvider); |
| |
| QUrl url; |
| if (content.type() == QVariant::Url) { |
| url = content.toUrl(); |
| } else if (content.type() == QVariant::Map) { |
| url = content.toMap()[QLatin1String("url")].toUrl(); |
| } else { |
| return; |
| } |
| |
| q->addMedia(QMediaContent(url)); |
| } |
| |
| QMediaNetworkPlaylistProvider::QMediaNetworkPlaylistProvider(QObject *parent) |
| :QMediaPlaylistProvider(*new QMediaNetworkPlaylistProviderPrivate, parent) |
| { |
| d_func()->q_ptr = this; |
| connect(&d_func()->parser, SIGNAL(newItem(QVariant)), |
| this, SLOT(_q_handleNewItem(QVariant))); |
| connect(&d_func()->parser, SIGNAL(finished()), this, SIGNAL(loaded())); |
| connect(&d_func()->parser, SIGNAL(error(QPlaylistFileParser::ParserError,QString)), |
| this, SLOT(_q_handleParserError(QPlaylistFileParser::ParserError,QString))); |
| } |
| |
| QMediaNetworkPlaylistProvider::~QMediaNetworkPlaylistProvider() |
| { |
| } |
| |
| bool QMediaNetworkPlaylistProvider::isReadOnly() const |
| { |
| return false; |
| } |
| |
| bool QMediaNetworkPlaylistProvider::load(const QNetworkRequest &request, const char *format) |
| { |
| Q_UNUSED(format); |
| return d_func()->load(request); |
| } |
| |
| int QMediaNetworkPlaylistProvider::mediaCount() const |
| { |
| return d_func()->resources.size(); |
| } |
| |
| QMediaContent QMediaNetworkPlaylistProvider::media(int pos) const |
| { |
| return d_func()->resources.value(pos); |
| } |
| |
| bool QMediaNetworkPlaylistProvider::addMedia(const QMediaContent &content) |
| { |
| Q_D(QMediaNetworkPlaylistProvider); |
| |
| int pos = d->resources.count(); |
| |
| emit mediaAboutToBeInserted(pos, pos); |
| d->resources.append(content); |
| emit mediaInserted(pos, pos); |
| |
| return true; |
| } |
| |
| bool QMediaNetworkPlaylistProvider::addMedia(const QList<QMediaContent> &items) |
| { |
| Q_D(QMediaNetworkPlaylistProvider); |
| |
| if (items.isEmpty()) |
| return true; |
| |
| int pos = d->resources.count(); |
| int end = pos+items.count()-1; |
| |
| emit mediaAboutToBeInserted(pos, end); |
| d->resources.append(items); |
| emit mediaInserted(pos, end); |
| |
| return true; |
| } |
| |
| |
| bool QMediaNetworkPlaylistProvider::insertMedia(int pos, const QMediaContent &content) |
| { |
| Q_D(QMediaNetworkPlaylistProvider); |
| |
| emit mediaAboutToBeInserted(pos, pos); |
| d->resources.insert(pos, content); |
| emit mediaInserted(pos,pos); |
| |
| return true; |
| } |
| |
| bool QMediaNetworkPlaylistProvider::insertMedia(int pos, const QList<QMediaContent> &items) |
| { |
| Q_D(QMediaNetworkPlaylistProvider); |
| |
| if (items.isEmpty()) |
| return true; |
| |
| const int last = pos+items.count()-1; |
| |
| emit mediaAboutToBeInserted(pos, last); |
| for (int i=0; i<items.count(); i++) |
| d->resources.insert(pos+i, items.at(i)); |
| emit mediaInserted(pos, last); |
| |
| return true; |
| } |
| |
| bool QMediaNetworkPlaylistProvider::moveMedia(int from, int to) |
| { |
| Q_D(QMediaNetworkPlaylistProvider); |
| |
| Q_ASSERT(from >= 0 && from < mediaCount()); |
| Q_ASSERT(to >= 0 && to < mediaCount()); |
| |
| if (from == to) |
| return false; |
| |
| const QMediaContent media = d->resources.at(from); |
| return removeMedia(from, from) && insertMedia(to, media); |
| } |
| |
| bool QMediaNetworkPlaylistProvider::removeMedia(int fromPos, int toPos) |
| { |
| Q_D(QMediaNetworkPlaylistProvider); |
| |
| Q_ASSERT(fromPos >= 0); |
| Q_ASSERT(fromPos <= toPos); |
| Q_ASSERT(toPos < mediaCount()); |
| |
| emit mediaAboutToBeRemoved(fromPos, toPos); |
| d->resources.erase(d->resources.begin()+fromPos, d->resources.begin()+toPos+1); |
| emit mediaRemoved(fromPos, toPos); |
| |
| return true; |
| } |
| |
| bool QMediaNetworkPlaylistProvider::removeMedia(int pos) |
| { |
| Q_D(QMediaNetworkPlaylistProvider); |
| |
| emit mediaAboutToBeRemoved(pos, pos); |
| d->resources.removeAt(pos); |
| emit mediaRemoved(pos, pos); |
| |
| return true; |
| } |
| |
| bool QMediaNetworkPlaylistProvider::clear() |
| { |
| Q_D(QMediaNetworkPlaylistProvider); |
| if (!d->resources.isEmpty()) { |
| int lastPos = mediaCount()-1; |
| emit mediaAboutToBeRemoved(0, lastPos); |
| d->resources.clear(); |
| emit mediaRemoved(0, lastPos); |
| } |
| |
| return true; |
| } |
| |
| void QMediaNetworkPlaylistProvider::shuffle() |
| { |
| Q_D(QMediaNetworkPlaylistProvider); |
| if (!d->resources.isEmpty()) { |
| QList<QMediaContent> resources; |
| |
| while (!d->resources.isEmpty()) { |
| resources.append(d->resources.takeAt(QRandomGenerator::global()->bounded(d->resources.size()))); |
| } |
| |
| d->resources = resources; |
| emit mediaChanged(0, mediaCount()-1); |
| } |
| |
| } |
| |
| QT_END_NAMESPACE |
| |
| #include "moc_qmedianetworkplaylistprovider_p.cpp" |