public override void Unload()
{
base.Unload();
try
{
ProcessFunctions.CloseMemory(this.Handle);
}
catch
{
}
this.authorizationToken = string.Empty;
this.authorizationTokenExpiration = 0;
this.updateAuthorizationTokenTimer.Stop();
this.updateSpotifyTrackTimer.Stop();
this.Handle = IntPtr.Zero;
this.processId = 0;
this.processIdLast = 0;
}
private void SetUpSpotifyHandles()
{
if (this.processId <= 0 || this.processId != this.processIdLast)
{
int someOtherProcessId = ProcessFunctions.GetProcessId(this.exeName);
this.processId = ProcessFunctions.GetParentProcessId(someOtherProcessId, this.exeName);
if (this.processId > 0)
{
ProcessFunctions.ModuleInfo moduleInfo = ProcessFunctions.GetModuleInfo(this.processId, this.moduleName);
if ((int)moduleInfo.BaseOfDll > 0)
{
this.Handle = ProcessFunctions.OpenProcess(this.processId, Enumerations.ProcessAccess.VMAll);
this.processIdLast = this.processId;
this.moduleBaseAddress = (int)moduleInfo.BaseOfDll;
this.moduleLength = (int)moduleInfo.SizeOfImage;
}
else
{
this.ResetSnipSinceSpotifyIsNotRunning();
}
}
else
{
this.ResetSnipSinceSpotifyIsNotRunning();
}
}
// Quick check to test if Spotify is running. There is a better solution for this but this will hold everything over for now.
// It also makes a complaint because process is never actually used.
try
{
Process process = Process.GetProcessById(this.processId);
}
catch
{
this.ResetSnipSinceSpotifyIsNotRunning();
}
}
private void UpdateSpotifyTrackTimer_Elapsed(object sender, ElapsedEventArgs e)
{
// Locate and detect Spotify and get handles
this.SetUpSpotifyHandles();
// If the process ID is greater than 0 then we found the process
if (this.processId > 0)
{
// The track ID is 22 bytes long
byte[] trackIdInBytes = new byte[22];
// We can use this to determine if Spotify is playing or not.
// If Spotify is not playing the titlebar will be "Spotify". Otherwise it
// will contain the artist and track title.
string windowTitle = ProcessFunctions.GetProcessWindowTitle(this.processId);
byte[] searchBytes = Encoding.Default.GetBytes(this.searchString);
int addressOfTrackId = ProcessFunctions.FindInMemory(this.processId, this.moduleBaseAddress, this.moduleLength, searchBytes);
// 14 is the offset where the trackId begins, trackId is 22 chars long
trackIdInBytes = ProcessFunctions.ReadMemory(this.Handle, (IntPtr)addressOfTrackId + 14, 22);
if (windowTitle == "Spotify Premium" || windowTitle == "Spotify Free" || windowTitle == "Spotify")
{
// Because we search for this first there's a brief moment on startup where it may display
// that no track is playing before it states that Spotify is not running.
this.ResetSnipSinceSpotifyIsNotPlaying();
}
else
{
string trackId = Encoding.Default.GetString(trackIdInBytes);
// Only update if the title has changed or the user updates how the output format should look
if (trackId != this.LastTitle || Globals.RewriteUpdatedOutputFormat)
{
Globals.RewriteUpdatedOutputFormat = false;
string json = string.Empty;
if (Globals.CacheSpotifyMetadata)
{
json = this.ReadCachedJson(trackId);
}
else
{
json = this.DownloadJson(
string.Format(
CultureInfo.InvariantCulture,
"https://api.spotify.com/v1/tracks/{0}",
trackId),
SpotifyAddressContactType.API);
}
// This shouldn't happen... but you never know.
if (!string.IsNullOrEmpty(json))
{
dynamic jsonSummary = SimpleJson.DeserializeObject(json);
// If there are multiple artists we want to join all of them together for display
string artists = string.Empty;
foreach (dynamic artist in jsonSummary.artists)
{
artists += artist.name.ToString() + ", ";
}
artists = artists.Substring(0, artists.LastIndexOf(',')); // Removes last comma
TextHandler.UpdateText(
jsonSummary.name.ToString(),
artists,
jsonSummary.album.name.ToString(),
jsonSummary.id.ToString(),
jsonSummary.ToString());
if (Globals.SaveAlbumArtwork)
{
this.DownloadSpotifyAlbumArtwork(jsonSummary.album);
}
// Set the last title to the track id as these are unique values that only change when the track changes
this.LastTitle = trackId;
}
}
}
}
}