QMetaDataWriterControl Class Reference

Member Function Documentation

QMetaDataWriterControl::QMetaDataWriterControl ( QObject * parent = 0 ) [protected]

Construct a QMetaDataWriterControl with parent. This class is meant as a base class for service specific meta data providers so this constructor is protected.

QMetaDataWriterControl::~QMetaDataWriterControl ()

Destroy the meta-data writer control.

QStringList QMetaDataWriterControl::availableExtendedMetaData () const [pure virtual]

Returns a list of keys there is extended meta-data available for.

This function was introduced in Qt Mobility 1.0.

QList<QtMultimediaKit::MetaData> QMetaDataWriterControl::availableMetaData () const [pure virtual]

Returns a list of keys there is meta-data available for.

QVariant QMetaDataWriterControl::extendedMetaData ( const QString & key ) const [pure virtual]

Returns the meta-data for an abitrary string key.

The valid selection of keys for extended meta-data is determined by the provider and the meaning and type may differ between providers.

This function was introduced in Qt Mobility 1.0.

See also setExtendedMetaData().

bool QMetaDataWriterControl::isMetaDataAvailable () const [pure virtual]

Identifies if meta-data is available from a media service.

Returns true if the meta-data is available and false otherwise.

This function was introduced in Qt Mobility 1.0.

bool QMetaDataWriterControl::isWritable () const [pure virtual]

Identifies if a media service's meta-data can be edited.

Returns true if the meta-data is writable and false otherwise.

This function was introduced in Qt Mobility 1.0.

QVariant QMetaDataWriterControl::metaData ( QtMultimediaKit::MetaData key ) const [pure virtual]

Returns the meta-data for the given key.

This function was introduced in Qt Mobility 1.0.

See also setMetaData().

void QMetaDataWriterControl::metaDataAvailableChanged ( bool available ) [signal]

Signal the availability of meta-data has changed, available will be true if the multimedia object has meta-data.

This function was introduced in Qt Mobility 1.0.

void QMetaDataWriterControl::metaDataChanged () [signal]

Signal the changes of meta-data.

This function was introduced in Qt Mobility 1.0.

void QMetaDataWriterControl::setExtendedMetaData ( const QString & key, const QVariant & value ) [pure virtual]

Change the value of the meta-data element with an abitrary string key to value.

The valid selection of keys for extended meta-data is determined by the provider and the meaning and type may differ between providers.

This function was introduced in Qt Mobility 1.0.

See also extendedMetaData().

void QMetaDataWriterControl::setMetaData ( QtMultimediaKit::MetaData key, const QVariant & value ) [pure virtual]

Sets the value of the meta-data element with the given key.

This function was introduced in Qt Mobility 1.0.

See also metaData().

void QMetaDataWriterControl::writableChanged ( bool writable ) [signal]

Signal a change in the writable status of meta-data, writable will be true if meta-data elements can be added or adjusted.

This function was introduced in Qt Mobility 1.0.