public NativeToplistBrowse(ISession session, ToplistType toplistType, int region, object userData = null)
: base(session, IntPtr.Zero)
{
_toplistType = toplistType;
_region = region;
_userData = userData;
}
internal static extern IntPtr sp_toplistbrowse_create(
IntPtr sessionPtr,
ToplistType toplistType,
int toplistRegion,
string userName,
ToplistBrowseCompleteCallback completeCallback,
IntPtr userDataPtr);
public ToplistParametersInfo(string toplistName, ToplistType toplistType,
ToplistFormat toplistFormat)
{
ToplistName = toplistName.ThrowIfNullOrWhiteSpace(nameof(toplistName));
ToplistType = toplistType.ThrowIfEnumValueIsUndefined(nameof(toplistType));
ToplistFormat = toplistFormat.ThrowIfEnumValueIsUndefined(nameof(toplistFormat));
}
public NativeToplistBrowse(ISession session, ToplistType toplistType, int region, object userData = null)
: base(session, IntPtr.Zero)
{
_toplistType = toplistType;
_region = region;
_userData = userData;
}
private void CreateToplist_DialogClosing(object sender, DialogClosingEventArgs eventArgs)
{
if (Equals(eventArgs.Parameter, false))
{
return;
}
if (!(eventArgs.Parameter is CreateToplistViewModel createToplistViewModel))
{
return;
}
string toplistName = createToplistViewModel.ToplistName;
if (string.IsNullOrWhiteSpace(toplistName))
{
eventArgs.Cancel();
return;
}
ToplistType toplistType = createToplistViewModel.SelectedToplistType;
ToplistFormat toplistFormat = createToplistViewModel.SelectedToplistFormat;
var parameters = new ToplistParametersInfo(toplistName, toplistType, toplistFormat);
_eventAggregator
.GetEvent <ConstructToplistMessage>()
.Publish(parameters);
}
internal static extern IntPtr sp_toplistbrowse_create(
IntPtr sessionPtr,
ToplistType toplistType,
int toplistRegion,
string userName,
ToplistBrowseCompleteCallback completeCallback,
IntPtr userDataPtr);
public IToplistBrowse Browse(ToplistType type, string userName, object userData = null)
{
AssertHandle();
var browse = new NativeToplistBrowse(this, type, userName, userData);
browse.Initialize();
return(browse);
}
public IToplistBrowse Browse(ToplistType type, int encodedCountryCode, object userData = null)
{
AssertHandle();
var browse = new NativeToplistBrowse(this, type, encodedCountryCode, userData);
browse.Initialize();
return(browse);
}
public static Task<IToplistBrowse> BrowseCurrentUserAsync(
this ISession session,
ToplistType type,
object userData = null)
{
var tcs = new TaskCompletionSource<IToplistBrowse>();
var browse = session.BrowseCurrentUser(type, userData);
browse.Completed += (sender, args) => tcs.SetResult(browse);
return tcs.Task;
}
public static Task<IToplistBrowse> BrowseAsync(
this ISession session,
ToplistType toplist,
object state = null)
{
var tcs = new TaskCompletionSource<IToplistBrowse>();
var browse = session.Browse(toplist, state);
browse.Completed += (sender, args) => tcs.SetResult(browse);
return tcs.Task;
}
public static Task <IToplistBrowse> BrowseAsync(
this ISession session,
ToplistType toplist,
object state = null)
{
var tcs = new TaskCompletionSource <IToplistBrowse>();
var browse = session.Browse(toplist, state);
if (browse.IsComplete)
{
tcs.SetResult(browse);
}
browse.Completed += (sender, args) => tcs.SetResult(browse);
return(tcs.Task);
}
public static Task <IToplistBrowse> BrowseCurrentUserAsync(
this ISession session,
ToplistType type,
object userData = null)
{
var tcs = new TaskCompletionSource <IToplistBrowse>();
var browse = session.BrowseCurrentUser(type, userData);
if (browse.IsComplete)
{
tcs.SetResult(browse);
}
browse.Completed += (sender, args) => tcs.SetResult(browse);
return(tcs.Task);
}
public static Task<IToplistBrowse> BrowseAsync(
this ISession session,
ToplistType type,
string userName,
object userData = null)
{
var tcs = new TaskCompletionSource<IToplistBrowse>();
var browse = session.Browse(type, userName, userData);
if (browse.IsComplete)
{
tcs.SetResult(browse);
}
browse.Completed += (sender, args) => tcs.SetResult(browse);
return tcs.Task;
}
public static ToplistBase Create(string toplistName, ToplistType toplistType,
ToplistFormat toplistFormat)
{
toplistName.ThrowIfNullOrWhiteSpace(nameof(toplistName));
// Enum parameters are checked in implementation classes.
_logger.Info($"Creating toplist [Name: {toplistName}, Type: {toplistType.ToString()} " +
$"Format: {toplistFormat.ToString()}].");
return(toplistType switch
{
ToplistType.Score => new ScoreToplist(toplistName, toplistFormat),
ToplistType.Simple => new SimpleToplist(toplistName, toplistFormat),
_ => throw new ArgumentOutOfRangeException(nameof(toplistType), toplistType,
"Could not recognize toplist type.")
});
public IToplistBrowse Browse(ToplistType type, string userName, object userData = null)
{
AssertHandle();
var browse = new NativeToplistBrowse(this, type, userName, userData);
browse.Initialize();
return browse;
}
public IToplistBrowse Browse(ToplistType type, object userData = null)
{
return(Browse(type, (int)ToplistSpecialRegion.Everywhere, userData));
}
public static IToplistBrowse Browse(this IUser user, ToplistType toplistType, object userData = null)
{
return(user.Session.Browse(toplistType, user.CanonicalName, userData));
}
public IToplistBrowse Browse(ToplistType type, int encodedCountryCode, object userData = null)
{
AssertHandle();
var browse = new NativeToplistBrowse(this, type, encodedCountryCode, userData);
browse.Initialize();
return browse;
}
public static IToplistBrowse Browse(this IUser user, ToplistType toplistType, object userData = null)
{
return user.Session.Browse(toplistType, user.CanonicalName, userData);
}
public NativeToplistBrowse(ISession session, ToplistType toplistType, object userData = null)
: this(session, toplistType, (int)ToplistSpecialRegion.Everywhere, userData)
{
}
public NativeToplistBrowse(ISession session, ToplistType toplistType, string userName, object userData = null)
: this(session, toplistType, (int)ToplistSpecialRegion.User, userData)
{
_userName = userName;
}
public IToplistBrowse Browse(ToplistType type, object userData = null)
{
return Browse(type, (int)ToplistSpecialRegion.Everywhere, userData);
}
public IEnumerable <ISpotifyObject> GetTopList(ToplistType listType, int maxNumber)
{
int currentRegion = -1;
lock (libspotify.Mutex)
{
currentRegion = libspotify.sp_session_user_country(this.sessionPtr);
}
IntPtr topListBrowserPtr = IntPtr.Zero;
ManualResetEvent reset = new ManualResetEvent(false);
Exception createException = null;
ThreadPool.QueueUserWorkItem(delegate(object obj)
{
try
{
lock (libspotify.Mutex)
{
topListBrowserPtr = libspotify.sp_toplistbrowse_create(this.sessionPtr, listType, currentRegion, null, GetPopularCallback, IntPtr.Zero);
}
}
catch (Exception ex)
{
createException = ex;
}
finally
{
reset.Set();
}
});
reset.WaitOne();
if (createException != null)
{
throw createException;
}
if (topListBrowserPtr == IntPtr.Zero)
{
throw new Exception("Top list browser pointer is zero");
}
lock (popularLock)
{
if (!libspotify.sp_toplistbrowse_is_loaded(topListBrowserPtr))
{
Monitor.Wait(popularLock);
}
}
if (libspotify.sp_toplistbrowse_is_loaded(topListBrowserPtr))
{
lock (libspotify.Mutex)
{
List <ISpotifyObject> objects = new List <ISpotifyObject>();
switch (listType)
{
case ToplistType.Tracks:
{
int maxTracks = libspotify.sp_toplistbrowse_num_tracks(topListBrowserPtr);
if (maxTracks > maxNumber)
{
maxTracks = maxNumber;
}
for (int i = 0; i < maxTracks; i++)
{
var trackPtr = libspotify.sp_toplistbrowse_track(topListBrowserPtr, i);
var track = Track.Get(this, trackPtr);
objects.Add(track);
}
}
break;
case ToplistType.Artists:
{
int maxArtists = libspotify.sp_toplistbrowse_num_artists(topListBrowserPtr);
if (maxArtists > maxNumber)
{
maxArtists = maxNumber;
}
for (int i = 0; i < maxArtists; i++)
{
var artistPtr = libspotify.sp_toplistbrowse_artist(topListBrowserPtr, i);
var artist = Artist.Get(this, artistPtr);
objects.Add(artist);
}
}
break;
case ToplistType.Albums:
{
int maxAlbums = libspotify.sp_toplistbrowse_num_albums(topListBrowserPtr);
if (maxAlbums > maxNumber)
{
maxAlbums = maxNumber;
}
for (int i = 0; i < maxAlbums; i++)
{
var albumPtr = libspotify.sp_toplistbrowse_album(topListBrowserPtr, i);
var album = Album.Get(this, albumPtr);
objects.Add(album);
}
}
break;
default:
throw new Exception("Unrecognized list type");
}
libspotify.sp_toplistbrowse_release(topListBrowserPtr);
return(objects);
}
}
else
{
var error = libspotify.sp_toplistbrowse_error(topListBrowserPtr);
libspotify.sp_toplistbrowse_release(topListBrowserPtr);
throw new Exception("Error retrieving top list: " + error.ToString());
}
}
public NativeToplistBrowse(ISession session, ToplistType toplistType, object userData = null)
: this(session, toplistType, (int)ToplistSpecialRegion.Everywhere, userData)
{
}
public IToplistBrowse BrowseCurrentUser(ToplistType type, object userData = null)
{
return(Browse(type, null, userData));
}
/// <summary>
/// Fetch a toplist.
/// </summary>
/// <param name="type">A toplist type. e.g. "artist", "album" or "track".</param>
/// <param name="region">A region code or null. e.g. "SE" or "DE".</param>
/// <param name="username">A username or null.</param>
/// <returns></returns>
public Result Toplist(ToplistType type, string region, string username)
{
/* Create channel callback and parameter map. */
ChannelCallback listener = new ChannelCallback();
Dictionary<string, string> paramsarg = new Dictionary<string, string>();
string str = EnumUtils.GetName(typeof(ToplistType), type).ToLower();
/* Add parameters. */
paramsarg.Add("type", str);
paramsarg.Add("region", region);
paramsarg.Add("username", username);
/* Send toplist request. */
try
{
this.protocol.SendToplistRequest(listener, paramsarg);
}
catch (ProtocolException)
{
return null;
}
/* Get data. */
byte[] data = listener.Get(this.timeout);
/* Create result from XML. */
return XMLMediaParser.ParseResult(data);
}
public NativeToplistBrowse(ISession session, ToplistType toplistType, string userName, object userData = null)
: this(session, toplistType, (int)ToplistSpecialRegion.User, userData)
{
_userName = userName;
}
public IToplistBrowse BrowseCurrentUser(ToplistType type, object userData = null)
{
return Browse(type, null, userData);
}
