internal async Task <DACPResponse> SubmitRequestAsync(DACPRequest request)
{
if (request.IncludeSessionID)
{
request.QueryParameters["session-id"] = SessionID.ToString();
}
string uri = request.GetURI();
_log.Info("Submitting request for: " + uri);
HttpResponseMessage response = await HttpClient.PostAsync(uri, request.HttpContent, request.CancellationToken).ConfigureAwait(false);
if (!response.IsSuccessStatusCode)
{
_log.Info("Invalid response ({0}) for: {1}", response.StatusCode, uri);
throw new DACPRequestException(response);
}
byte[] data = await response.Content.ReadAsByteArrayAsync().ConfigureAwait(false);
_log.Info("Received response for: " + uri);
// Get the content of the first node
IEnumerable <DACPNode> nodes = null;
if (data.Length > 0)
{
data = DACPUtility.GetResponseNodes(data, true).First().Value;
nodes = DACPUtility.GetResponseNodes(data);
}
return(new DACPResponse(response, nodes));
}
protected async Task <bool> GetLibraryUpdateAsync(CancellationToken cancellationToken)
{
DACPRequest request = new DACPRequest("/update");
request.QueryParameters["revision-number"] = CurrentLibraryUpdateNumber.ToString();
request.QueryParameters["daap-no-disconnect"] = "1";
try
{
var response = await SubmitRequestAsync(request).ConfigureAwait(false);
if (cancellationToken.IsCancellationRequested)
{
return(false);
}
var nodes = DACPNodeDictionary.Parse(response.Nodes);
CurrentLibraryUpdateNumber = nodes.GetInt("musr");
}
catch
{
return(false);
}
return(true);
}
protected async Task <bool> UpdateCurrentSongUserRatingAsync()
{
// Make sure we have all the values we need
if (CurrentDatabaseID == 0 || CurrentContainerID == 0 || CurrentItemID == 0 || CurrentAlbumPersistentID == 0)
{
ClearCurrentSongUserRating();
return(true);
}
// Make sure this is for the main DB
if (!ShowUserRating || MainDatabase == null || CurrentDatabaseID != MainDatabase.ID)
{
ClearCurrentSongUserRating();
return(true);
}
// If we're requesting the rating for a new song, clear out the old value
if (CurrentItemID != _ratingUpdatedForSongID)
{
ClearCurrentSongUserRating();
}
DACPRequest request = new DACPRequest("/databases/{0}/containers/{1}/items", CurrentDatabaseID, CurrentContainerID);
request.QueryParameters["meta"] = "dmap.itemid,dmap.containeritemid,daap.songuserrating";
request.QueryParameters["type"] = "music";
request.QueryParameters["sort"] = "album";
var query = DACPQueryCollection.And(DACPQueryPredicate.Is("daap.songalbumid", CurrentAlbumPersistentID), DACPQueryPredicate.Is("dmap.itemid", CurrentItemID));
request.QueryParameters["query"] = query.ToString();
try
{
var response = await SubmitRequestAsync(request).ConfigureAwait(false);
var mlcl = response.Nodes.First(n => n.Key == "mlcl");
var songNodes = DACPUtility.GetResponseNodes(mlcl.Value);
foreach (var songData in songNodes)
{
var nodes = DACPNodeDictionary.Parse(songData.Value);
var id = nodes.GetInt("miid");
if (id != CurrentItemID)
{
continue;
}
var rating = nodes.GetByte("asur");
SetCurrentSongUserRatingFromServer(rating);
break;
}
}
catch
{
ClearCurrentSongUserRating();
return(false);
}
return(true);
}
internal async Task <List <T> > GetListAsync <T>(DACPRequest request, Func <DACPNodeDictionary, T> itemGenerator, string listKey = DACPUtility.DefaultListKey)
{
try
{
var response = await SubmitRequestAsync(request).ConfigureAwait(false);
return(DACPUtility.GetItemsFromNodes(response.Nodes, itemGenerator, listKey).ToList());
}
catch (Exception)
{
return(new List <T>());
}
}
protected async Task <bool> SetVolumeLevelAsync(int value)
{
DACPRequest request = new DACPRequest("/ctrl-int/1/setproperty");
request.QueryParameters["dmcp.volume"] = value.ToString();
try
{
await SubmitRequestAsync(request).ConfigureAwait(false);
}
catch { return(false); }
return(true);
}
internal async Task <IDACPList> GetAlphaGroupedListAsync <T>(DACPRequest request, Func <byte[], T> itemGenerator, string listKey = DACPUtility.DefaultListKey)
{
try
{
var response = await SubmitRequestAsync(request).ConfigureAwait(false);
return(DACPUtility.GetAlphaGroupedDACPList(response.Nodes, itemGenerator, listKey));
}
catch (Exception)
{
return(new DACPList <T>(false));
}
}
public async Task <bool> Play()
{
DACPRequest request = new DACPRequest("/ctrl-int/1/playqueue-edit");
request.QueryParameters["command"] = "playnow";
request.QueryParameters["index"] = QueueIndex.ToString();
try
{
await Server.SubmitRequestAsync(request).ConfigureAwait(false);
}
catch { return(false); }
return(true);
}
protected async Task <bool> GetServerInfoAsync()
{
DACPRequest request = new DACPRequest("/server-info");
request.IncludeSessionID = false;
try
{
var response = await SubmitRequestAsync(request).ConfigureAwait(false);
// Process response
ServerVersionString = response.HTTPResponse.Headers.GetValues("DAAP-Server").FirstOrDefault();
var nodes = DACPNodeDictionary.Parse(response.Nodes);
// Fixing an issue with Apple TV devices where \0 may be appended to the end of the library name
string libraryName = nodes.GetString("minm");
if (!string.IsNullOrEmpty(libraryName))
{
libraryName = libraryName.Replace("\0", "");
}
LibraryName = libraryName;
ServerVersion = nodes.GetInt("aeSV");
ServerDMAPVersion = nodes.GetInt("mpro");
ServerDAAPVersion = nodes.GetInt("apro");
// MAC addresses
if (nodes.ContainsKey("msml"))
{
List <string> macAddresses = new List <string>();
var addressNodes = DACPUtility.GetResponseNodes(nodes["msml"]).Where(n => n.Key == "msma").Select(n => n.Value);
foreach (var addressNode in addressNodes)
{
var address = BitConverter.ToInt64(addressNode, 0);
address = address >> 16;
macAddresses.Add(address.ToString("X12"));
}
MACAddresses = macAddresses.ToArray();
}
}
catch (Exception e)
{
HandleHTTPException(request, e);
return(false);
}
return(true);
}
protected async Task <bool> SetUserRatingAsync(int rating, int songID)
{
DACPRequest request = new DACPRequest("/ctrl-int/1/setproperty");
request.QueryParameters["dacp.userrating"] = rating.ToString();
request.QueryParameters["database-spec"] = DACPQueryPredicate.Is("dmap.persistentid", "0x" + CurrentDatabaseID.ToString("x16")).ToString();
request.QueryParameters["item-spec"] = DACPQueryPredicate.Is("dmap.itemid", "0x" + songID.ToString("x")).ToString();
try
{
await SubmitRequestAsync(request).ConfigureAwait(false);
}
catch { return(false); }
return(true);
}
public async Task <bool> SendGeniusShuffleCommandAsync()
{
if (!SupportsGeniusShuffle)
{
return(false);
}
DACPRequest request = new DACPRequest("/ctrl-int/1/genius-shuffle");
// Apple's Remote seems to always set "span" to "$Q"
request.QueryParameters["span"] = "$Q";
try { await SubmitRequestAsync(request); }
catch { return(false); }
return(true);
}
protected async Task <bool> GetServerCapabilitiesAsync()
{
DACPRequest request = new DACPRequest("/ctrl-int");
request.IncludeSessionID = false;
try
{
var response = await SubmitRequestAsync(request).ConfigureAwait(false);
// Process response
var mlcl = DACPUtility.GetResponseNodes(response.Nodes.First(n => n.Key == "mlcl").Value);
var nodes = DACPNodeDictionary.Parse(mlcl.First(n => n.Key == "mlit").Value);
if (nodes.ContainsKey("ceSX"))
{
Int64 ceSX = nodes.GetLong("ceSX");
// Bit 0: Supports Play Queue
if ((ceSX & (1 << 0)) != 0)
{
SupportsPlayQueue = true;
}
// Bit 1: iTunes Radio? Appeared in iTunes 11.1.2 with the iTunes Radio DB.
// Apple's Remote for iOS doesn't seem to use this bit to determine whether iTunes Radio is available.
// Instead, it looks for an iTunes Radio database and checks whether it has any containers.
// Bit 2: Genius Shuffle Enabled/Available
if ((ceSX & (1 << 2)) != 0)
{
SupportsGeniusShuffle = true;
}
}
// Apple TV
// TODO: Is this the best way to detect this?
IsAppleTV = nodes.GetBool("ceDR");
}
catch (Exception e)
{
HandleHTTPException(request, e);
return(false);
}
return(true);
}
protected async Task <bool> UpdateCurrentVolumeLevelAsync()
{
DACPRequest request = new DACPRequest("/ctrl-int/1/getproperty");
request.QueryParameters["properties"] = "dmcp.volume";
try
{
var response = await SubmitRequestAsync(request).ConfigureAwait(false);
var nodes = DACPNodeDictionary.Parse(response.Nodes);
CurrentVolume = (byte)nodes.GetInt("cmvo");
}
catch { return(false); }
return(true);
}
public async Task <bool> SendiTunesRadioNeverPlayThisSongAsync()
{
if (!IsCurrentlyPlayingiTunesRadio)
{
return(false);
}
DACPRequest request = new DACPRequest("/ctrl-int/1/setproperty");
request.QueryParameters["com.apple.itunes.liked-state"] = "3";
request.QueryParameters["database-spec"] = DACPQueryPredicate.Is("dmap.itemid", "0x" + CurrentDatabaseID.ToString("x")).ToString();
request.QueryParameters["item-spec"] = DACPQueryPredicate.Is("dmap.itemid", "0x" + CurrentItemID.ToString("x")).ToString();
try { await SubmitRequestAsync(request); }
catch { return(false); }
return(true);
}
protected async Task <bool> UpdateTrackTimeAsync()
{
DACPRequest request = new DACPRequest("/ctrl-int/1/getproperty");
request.QueryParameters["properties"] = "dacp.playingtime";
try
{
var response = await SubmitRequestAsync(request).ConfigureAwait(false);
var nodes = DACPNodeDictionary.Parse(response.Nodes);
TrackTimeTotal = nodes.GetInt("cast");
TrackTimeRemaining = nodes.GetNullableInt("cant") ?? TrackTimeTotal;
}
catch { return(false); }
return(true);
}
/// <summary>
/// Requests an update for the keyboard state and session ID.
/// </summary>
private async Task <bool> RequestAppleTVKeyboardInfoUpdateAsync()
{
List <byte> contentBytes = new List <byte>();
contentBytes.AddRange(DACPUtility.GetDACPFormattedBytes("cmcc", "0"));
contentBytes.AddRange(DACPUtility.GetDACPFormattedBytes("cmbe", "PromptResendReq"));
ByteArrayContent content = new ByteArrayContent(contentBytes.ToArray());
DACPRequest request = new DACPRequest("/ctrl-int/1/controlpromptentry");
request.HttpContent = content;
try
{
await SubmitRequestAsync(request).ConfigureAwait(false);
}
catch { return(false); }
return(true);
}
protected async Task <bool> UpdatePlayQueueContentsAsync()
{
if (!SupportsPlayQueue)
{
return(false);
}
DACPRequest request = new DACPRequest("/ctrl-int/1/playqueue-contents");
request.QueryParameters["span"] = "50";
try
{
var response = await SubmitRequestAsync(request).ConfigureAwait(false);
HandlePlayQueueResponse(response.Nodes);
}
catch { return(false); }
return(true);
}
/// <summary>
/// Requests an update for the virtual trackpad connection parameters.
/// </summary>
private async Task <bool> RequestAppleTVTrackpadInfoUpdateAsync()
{
List <byte> contentBytes = new List <byte>();
contentBytes.AddRange(DACPUtility.GetDACPFormattedBytes("cmcc", "0"));
contentBytes.AddRange(DACPUtility.GetDACPFormattedBytes("cmbe", "DRPortInfoRequest"));
contentBytes.AddRange(DACPUtility.GetDACPFormattedBytes("cmte", string.Format("{0},0x{1}", AppleTVEncryptionKey, PairingCode)));
ByteArrayContent content = new ByteArrayContent(contentBytes.ToArray());
DACPRequest request = new DACPRequest("/ctrl-int/1/controlpromptentry");
request.HttpContent = content;
try
{
await SubmitRequestAsync(request).ConfigureAwait(false);
}
catch { return(false); }
return(true);
}
protected async Task <ConnectionResult> LoginAsync()
{
DACPRequest request = new DACPRequest("/login");
request.QueryParameters["pairing-guid"] = "0x" + PairingCode;
request.IncludeSessionID = false;
try
{
var response = await SubmitRequestAsync(request).ConfigureAwait(false);
// Process response
var nodes = DACPNodeDictionary.Parse(response.Nodes);
if (!nodes.ContainsKey("mlid"))
{
return(ConnectionResult.InvalidPIN);
}
SessionID = nodes.GetInt("mlid");
}
catch (DACPRequestException e)
{
int statusCode = (int)e.Response.StatusCode;
if (statusCode >= 500 && statusCode <= 599)
{
return(ConnectionResult.InvalidPIN);
}
return(ConnectionResult.ConnectionError);
}
catch (Exception e)
{
HandleHTTPException(request, e);
return(ConnectionResult.ConnectionError);
}
return(ConnectionResult.Success);
}
private async Task <bool> SendAppleTVKeyboardStringUpdateCommandAsync(string value, bool done)
{
string command = (done) ? "PromptDone" : "PromptUpdate";
List <byte> contentBytes = new List <byte>();
contentBytes.AddRange(DACPUtility.GetDACPFormattedBytes("cmcc", _appleTVKeyboardSessionID));
contentBytes.AddRange(DACPUtility.GetDACPFormattedBytes("cmbe", command));
contentBytes.AddRange(DACPUtility.GetDACPFormattedBytes("cmte", value));
ByteArrayContent content = new ByteArrayContent(contentBytes.ToArray());
DACPRequest request = new DACPRequest("/ctrl-int/1/controlpromptentry");
request.HttpContent = content;
try
{
await SubmitRequestAsync(request).ConfigureAwait(false);
}
catch { return(false); }
return(true);
}
protected async Task <bool> GetControlPromptUpdateAsync(CancellationToken cancellationToken)
{
DACPRequest request = new DACPRequest("/controlpromptupdate");
request.QueryParameters["prompt-id"] = _controlPromptUpdateNumber.ToString();
try
{
var response = await SubmitRequestAsync(request).ConfigureAwait(false);
if (cancellationToken.IsCancellationRequested)
{
return(false);
}
_controlPromptUpdateNumber = response.Nodes.First(n => n.Key == "miid").Value.GetInt32Value();
// Parse response
// This comes back as a list of string key/value pairs.
var nodeDictionary = response.Nodes.Where(n => n.Key == "mdcl").Select(n => DACPNodeDictionary.Parse(n.Value)).ToDictionary(n => n.GetString("cmce"), n => n.GetString("cmcv"));
#if DEBUG
if (_log.EffectiveLevel <= LogLevel.Trace)
{
string logMessage = "ControlPromptUpdate Response:\r\n";
foreach (var kvp in nodeDictionary)
{
logMessage += string.Format("{0}: {1}\r\n", kvp.Key, kvp.Value);
}
_log.Trace(logMessage);
}
#endif
if (nodeDictionary.ContainsKey("kKeybMsgKey_MessageType"))
{
switch (nodeDictionary["kKeybMsgKey_MessageType"])
{
case "0": // Show keyboard
CurrentAppleTVKeyboardTitle = nodeDictionary.GetValueOrDefault("kKeybMsgKey_Title");
CurrentAppleTVKeyboardSubText = nodeDictionary.GetValueOrDefault("kKeybMsgKey_SubText");
CurrentAppleTVKeyboardString = nodeDictionary.GetValueOrDefault("kKeybMsgKey_String");
_appleTVKeyboardSessionID = nodeDictionary["kKeybMsgKey_SessionID"];
_appleTVKeyboardSecureText = (nodeDictionary["kKeybMsgKey_SecureText"] == "1");
_appleTVKeyboardSecureTextCertificate = nodeDictionary.GetValueOrDefault("certificate");
_appleTVKeyboardSecureTextChallenge = nodeDictionary.GetValueOrDefault("challenge");
if (_appleTVKeyboardSecureText)
{
CurrentAppleTVKeyboardType = AppleTVKeyboardType.Password;
}
else
{
CurrentAppleTVKeyboardType = (AppleTVKeyboardType)int.Parse(nodeDictionary["kKeybMsgKey_KeyboardType"]);
}
IsAppleTVKeyboardVisible = true;
break;
case "2": // Hide keyboard
IsAppleTVKeyboardVisible = false;
break;
case "5": // Trackpad interface update
_appleTVTrackpadPort = int.Parse(nodeDictionary["kKeybMsgKey_String"]) ^ AppleTVEncryptionKey;
_appleTVTrackpadKey = BitUtility.NetworkToHostOrder(int.Parse(nodeDictionary["kKeybMsgKey_SubText"]) ^ AppleTVEncryptionKey);
_log.Info("Apple TV virtual trackpad parameters updated: Encryption key: {0:X8} Port: {1}", _appleTVTrackpadKey, _appleTVTrackpadPort);
break;
}
}
}
catch
{
return(false);
}
return(true);
}
public async Task <bool> SendAppleTVKeyboardSecureTextAsync(string value)
{
if (!_appleTVKeyboardSecureText || string.IsNullOrEmpty(_appleTVKeyboardSecureTextCertificate) || string.IsNullOrEmpty(_appleTVKeyboardSecureTextChallenge))
{
return(false);
}
byte[] encryptedBytes;
try
{
// Read the certificate
byte[] certificateBytes = BitUtility.FromHexString(_appleTVKeyboardSecureTextCertificate);
var certificate = new X509Certificate(certificateBytes);
// X509Certificate gives us the ASN.1 DER-encoded RSA public key
var publicKeyEncoded = certificate.GetPublicKey();
if (publicKeyEncoded[0] != 0x30 || publicKeyEncoded[1] != 0x81)
{
throw new Exception();
}
// Byte at index 2 is the length of the entire sequence, we can ignore this
if (publicKeyEncoded[3] != 0x02 || publicKeyEncoded[4] != 0x81)
{
throw new Exception();
}
// Length of the public key
int length = publicKeyEncoded[5];
int position = 6;
// Skip any padding at the beginning
while (publicKeyEncoded[position] == 0x00)
{
length--;
position++;
}
// Get the public key
byte[] publicKey = new byte[length];
System.Buffer.BlockCopy(publicKeyEncoded, position, publicKey, 0, length);
// Length/position of exponent
position += length;
if (publicKeyEncoded[position] != 0x02)
{
throw new Exception();
}
position++;
length = publicKeyEncoded[position];
position++;
// Get the exponent
byte[] exponent = new byte[length];
System.Buffer.BlockCopy(publicKeyEncoded, position, exponent, 0, length);
// Get bytes to encrypt
var bytesToEncode = new List <byte>();
bytesToEncode.AddRange(BitUtility.FromHexString(_appleTVKeyboardSecureTextChallenge));
bytesToEncode.AddRange(Encoding.UTF8.GetBytes(value));
// Set up RSA parameters
var rsaParameters = new RSAParameters();
rsaParameters.Modulus = publicKey;
rsaParameters.Exponent = exponent;
// Create RSA provider
using (var rsa = new RSACryptoServiceProvider())
{
rsa.ImportParameters(rsaParameters);
// Encrypt the source data
encryptedBytes = rsa.Encrypt(bytesToEncode.ToArray(), false);
}
}
catch { return(false); }
// Create DACP request
List <byte> contentBytes = new List <byte>();
contentBytes.AddRange(DACPUtility.GetDACPFormattedBytes("cmcc", _appleTVKeyboardSessionID));
contentBytes.AddRange(DACPUtility.GetDACPFormattedBytes("cmbe", "PromptDone"));
contentBytes.AddRange(DACPUtility.GetDACPFormattedBytes("cmae", BitUtility.ToHexString(encryptedBytes)));
ByteArrayContent content = new ByteArrayContent(contentBytes.ToArray());
DACPRequest request = new DACPRequest("/ctrl-int/1/controlpromptentry");
request.HttpContent = content;
try
{
await SubmitRequestAsync(request).ConfigureAwait(false);
}
catch { return(false); }
return(true);
}
internal Task <IDACPList> GetAlphaGroupedListAsync <T>(DACPRequest request, Func <DACPNodeDictionary, T> itemGenerator, string listKey = DACPUtility.DefaultListKey)
{
return(GetAlphaGroupedListAsync(request, b => itemGenerator(DACPNodeDictionary.Parse(b)), listKey));
}
protected async Task <bool> GetDatabasesAsync()
{
DACPRequest request = new DACPRequest("/databases");
try
{
var databases = await GetListAsync(request, n => DACPDatabase.GetDatabase(this, n)).ConfigureAwait(false);
if (databases == null || databases.Count == 0)
{
return(false);
}
List <DACPDatabase> newSharedDatabases = new List <DACPDatabase>();
for (int i = 0; i < databases.Count; i++)
{
var db = databases[i];
// The main database will be first in the list
if (i == 0)
{
if (MainDatabase != null && MainDatabase.ID == db.ID)
{
continue;
}
bool success = await db.RequestContainersAsync().ConfigureAwait(false);
if (!success)
{
return(false);
}
MainDatabase = db;
continue;
}
// Shared database
if (db.Type == DatabaseType.Shared)
{
newSharedDatabases.Add(db);
continue;
}
// Internet Radio
if (db.Type == DatabaseType.InternetRadio)
{
if (InternetRadioDatabase != null && InternetRadioDatabase.ID == db.ID)
{
continue;
}
InternetRadioDatabase = db;
continue;
}
// iTunes Radio
if (db.Type == DatabaseType.iTunesRadio)
{
if (iTunesRadioDatabase != null && iTunesRadioDatabase.ID == db.ID)
{
continue;
}
iTunesRadioDatabase = (iTunesRadioDatabase)db;
// Attempt to load the stations asynchronously to determine whether iTunes Radio is enabled.
var task = iTunesRadioDatabase.RequestStationsAsync();
continue;
}
}
// Update shared databases
Dictionary <int, DACPDatabase> removedSharedDBs = SharedDatabases.ToDictionary(db => db.ID);
foreach (var sharedDB in newSharedDatabases)
{
removedSharedDBs.Remove(sharedDB.ID);
if (SharedDatabases.Any(db => db.ID == sharedDB.ID))
{
continue;
}
SharedDatabases.Add(sharedDB);
}
foreach (DACPDatabase db in removedSharedDBs.Values)
{
SharedDatabases.Remove(db);
}
}
catch (Exception e)
{
HandleHTTPException(request, e);
return(false);
}
return(true);
}
internal void HandleHTTPException(DACPRequest request, Exception e)
{
HandleHTTPException(request.GetURI(), e);
}
protected async Task <bool> GetPlayStatusUpdateAsync(CancellationToken cancellationToken)
{
// Do not pass the cancellation token to the HTTP request since cancelling a request will cause iTunes to close the current session.
DACPRequest request = new DACPRequest("/ctrl-int/1/playstatusupdate");
request.QueryParameters["revision-number"] = _playStatusRevisionNumber.ToString();
try
{
var response = await SubmitRequestAsync(request).ConfigureAwait(false);
// Do we still need to process this response?
if (cancellationToken.IsCancellationRequested)
{
return(false);
}
// Process response
ThreadUtility.RunOnUIThread(() =>
{
timerTrackTimeUpdate.Stop();
});
var nodes = DACPNodeDictionary.Parse(response.Nodes);
_playStatusRevisionNumber = nodes.GetInt("cmsr");
int oldSongID = CurrentItemID;
if (nodes.ContainsKey("canp"))
{
// Current song and container IDs
byte[] value = nodes["canp"];
byte[] dbID = { value[0], value[1], value[2], value[3] };
byte[] containerID = { value[4], value[5], value[6], value[7] };
byte[] containerItemID = { value[8], value[9], value[10], value[11] };
byte[] itemID = { value[12], value[13], value[14], value[15] };
CurrentDatabaseID = dbID.GetInt32Value();
CurrentContainerID = containerID.GetInt32Value();
CurrentContainerItemID = containerItemID.GetInt32Value();
CurrentItemID = itemID.GetInt32Value();
}
else
{
CurrentDatabaseID = 0;
CurrentContainerID = 0;
CurrentContainerItemID = 0;
CurrentItemID = 0;
}
CurrentSongName = nodes.GetString("cann");
CurrentArtist = nodes.GetString("cana");
CurrentAlbum = nodes.GetString("canl");
CurrentAlbumPersistentID = (UInt64)nodes.GetLong("asai");
PlayState = (PlayStates)nodes.GetByte("caps");
// Shuffle
int caas = nodes.GetInt("caas");
IsShuffleAvailable = (caas & (1 << 1)) != 0;
ShuffleState = nodes.GetBool("cash");
// Repeat
int caar = nodes.GetInt("caar");
IsRepeatOneAvailable = (caar & (1 << 1)) != 0;
IsRepeatAllAvailable = (caar & (1 << 2)) != 0;
RepeatState = (RepeatStates)nodes.GetByte("carp");
CurrentMediaKind = nodes.GetInt("cmmk");
ShowUserRating = nodes.GetBool("casu");
// Track length (ms)
TrackTimeTotal = nodes.GetInt("cast");
// Remaining track length (ms)
TrackTimeRemaining = nodes.GetNullableInt("cant") ?? TrackTimeTotal;
// dacp.visualizer
VisualizerActive = nodes.GetBool("cavs");
// dacp.visualizerenabled
VisualizerAvailable = nodes.GetBool("cave");
// dacp.fullscreen
FullScreenModeActive = nodes.GetBool("cafs");
// dacp.fullscreenenabled
FullScreenModeAvailable = nodes.GetBool("cafe");
// iTunes Radio
if (iTunesRadioDatabase != null && iTunesRadioDatabase.ID == CurrentDatabaseID)
{
IsCurrentlyPlayingiTunesRadio = true;
CurrentiTunesRadioStationName = nodes.GetString("ceNR");
// caks = 1 when the next button is disabled, and 2 when it's enabled
IsiTunesRadioNextButtonEnabled = (nodes.GetByte("caks") == 2);
// "aelb" indicates whether the star button (iTunes Radio menu) should be enabled, but this only seems to be set to true
// when connected via Home Sharing. This parameter is missing when an ad is playing, so use this to determine whether
// the menu should be enabled.
IsiTunesRadioMenuEnabled = nodes.ContainsKey("aelb");
IsiTunesRadioSongFavorited = (nodes.GetByte("aels") == 2);
}
else
{
IsCurrentlyPlayingiTunesRadio = false;
}
if (IsCurrentlyPlayingiTunesRadio)
{
var caks = nodes.GetByte("caks");
IsiTunesRadioNextButtonEnabled = !(caks == 1);
}
if (!nodes.ContainsKey("casc") || nodes.GetBool("casc") == true)
{
IsPlayPositionBarEnabled = true;
}
else
{
IsPlayPositionBarEnabled = false;
}
// Genius Shuffle
IsCurrentlyPlayingGeniusShuffle = nodes.GetBool("ceGs");
// There are two other nodes related to Genius Shuffle, "ceGS" and "aeGs" (currently unknown)
// If the song ID changed, refresh the album art
if (oldSongID != CurrentItemID)
{
PropertyChanged.RaiseOnUIThread(this, "CurrentAlbumArtURL");
}
ThreadUtility.RunOnUIThread(() =>
{
if (PlayState == PlayStates.Playing)
{
timerTrackTimeUpdate.Start();
}
else if (PlayState == PlayStates.FastForward || PlayState == PlayStates.Rewind)
{
BeginRepeatedTrackTimeRequest();
}
});
var volumeTask = UpdateCurrentVolumeLevelAsync();
var userRatingTask = UpdateCurrentSongUserRatingAsync();
var playQueueTask = UpdatePlayQueueContentsAsync();
Task[] tasks = new[] { volumeTask, userRatingTask, playQueueTask };
#if WP7
await TaskEx.WhenAll(tasks).ConfigureAwait(false);
#else
await Task.WhenAll(tasks).ConfigureAwait(false);
#endif
SubmitGetSpeakersRequest();
}
catch { return(false); }
return(true);
}