QMediaPlaylistProvider Class Reference The QMediaPlaylistProvider class provides an abstract list of media. More...
#include <QMediaPlaylistProvider> This class is under development and is subject to change.
Inherits QObject .
Public Functions
QMediaPlaylistProvider parent = 0 )virtual ~QMediaPlaylistProvider virtual bool appendItem media )virtual bool appendItems items )virtual bool clear virtual bool insertItem position , const QMediaContent & media )virtual bool insertItems position , const QList<QMediaContent> & items )virtual bool isReadOnly virtual bool load location , const char * format = 0 )virtual bool load device , const char * format = 0 )virtual QMediaContent media index ) const = 0virtual bool removeItem position )virtual bool removeItems start , int end )virtual bool save location , const char * format = 0 )virtual bool save device , const char * format )virtual int size
29 public functions inherited from QObject
Public Slots
1 public slot inherited from QObject
Signals
Additional Inherited Members
1 property inherited from QObject
1 public type inherited from QObject
4 static public members inherited from QObject
7 protected functions inherited from QObject
2 protected variables inherited from QObject
Detailed Description
The QMediaPlaylistProvider class provides an abstract list of media.
See also QMediaPlaylist .
Member Function Documentation
QObject * parent = 0 )Constructs a playlist provider with the given parent .
[virtual] Destroys a playlist provider.
QMediaContent & media ) [virtual] Append media to a playlist.
Returns true if the media was appended; and false otherwise.
QList <QMediaContent > & items ) [virtual] Append multiple media items to a playlist.
Returns true if the media items were appended; and false otherwise.
[virtual] Removes all media from a playlist.
Returns true if the media was removed; and false otherwise.
position , const QMediaContent & media ) [virtual] Inserts media into a playlist at position .
Returns true if the media was inserted; and false otherwise.
position , const QList <QMediaContent > & items ) [virtual] Inserts multiple media items into a playlist at position .
Returns true if the media items were inserted; and false otherwise.
[virtual] Returns true if a playlist is read-only; otherwise returns false.
start , int end ) [signal] Signals that new media is about to be inserted into a playlist between the start and end positions.
start , int end ) [signal] Signals that media is about to be removed from a playlist between the start and end positions.
start , int end ) [signal] Signals that media in playlist between the start and end positions has changed.
start , int end ) [signal] Signals that new media has been inserted into a playlist between the start and end positions.
start , int end ) [signal] Signals that media has been removed from a playlist between the start and end positions.
QUrl & location , const char * format = 0 ) [virtual] Loads a playlist from from a URI location . If no playlist format is specified the loader will inspect the URI or probe the headers to guess the format.
New items are appended to playlist.
Returns true if the provider supports the format and loading from the locations URI protocol, otherwise this will return false.
QIODevice * device , const char * format = 0 ) [virtual] Loads a playlist from from an I/O device . If no playlist format is specified the loader will probe the headers to guess the format.
New items are appended to playlist.
Returns true if the provider supports the format and loading from an I/O device, otherwise this will return false.
QMediaPlaylist::Error error , const QString & errorMessage ) [signal] Signals that a load failed() due to an error . The errorMessage provides more information.
[signal] Signals that a load () finished successfully.
QMediaContent QMediaPlaylistProvider::media ( int index ) const [pure virtual] Returns the media at index in the playlist.
If the index is invalid this will return a null media content.
position ) [virtual] Removes the media at position from a playlist.
Returns true if the media was removed; and false otherwise.
start , int end ) [virtual] Removes the media between the given start and end positions from a playlist.
Returns true if the media was removed; and false otherwise.
QUrl & location , const char * format = 0 ) [virtual] Saves the contents of a playlist to a URI location . If no playlist format is specified the writer will inspect the URI to guess the format.
Returns true if the playlist was saved succesfully; and false otherwise.
QIODevice * device , const char * format ) [virtual] Saves the contents of a playlist to an I/O device in the specified format .
Returns true if the playlist was saved succesfully; and false otherwise.
[virtual slot] Shuffles the contents of a playlist.
[pure virtual] Returns the size of playlist.
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