/// <summary>
/// Determines whether this instance is a subset of passed <see cref="MediaTypeHeaderValue"/>.
/// If the media type and media type parameters of this media type are all present
/// and match those of <paramref name="otherMediaType"/> then it is a match even though
/// <paramref name="otherMediaType"/> may have additional parameters.
/// </summary>
/// <param name="mediaType">The first media type.</param>
/// <param name="otherMediaType">The second media type.</param>
/// <returns><c>true</c> if this is a subset of <paramref name="otherMediaType"/>; false otherwise.</returns>
public bool IsSubsetOf(MediaTypeHeaderValue otherMediaType)
{
if (otherMediaType == null)
{
return(false);
}
if (!MediaType.Equals(otherMediaType.MediaType, StringComparison.OrdinalIgnoreCase))
{
if (otherMediaType.MediaTypeRange != MediaTypeHeaderValueRange.AllMediaRange)
{
return(false);
}
}
else if (!MediaSubType.Equals(otherMediaType.MediaSubType, StringComparison.OrdinalIgnoreCase))
{
if (otherMediaType.MediaTypeRange != MediaTypeHeaderValueRange.SubtypeMediaRange)
{
return(false);
}
}
if (Parameters != null)
{
if (Parameters.Count != 0 &&
(otherMediaType.Parameters == null || otherMediaType.Parameters.Count == 0))
{
return(false);
}
// So far we either have a full match or a subset match. Now check that all of
// mediaType1's parameters are present and equal in mediatype2
if (!MatchParameters(Parameters, otherMediaType.Parameters))
{
return(false);
}
}
return(true);
}
private static void GetMediaTypeFromFiles(string strFolder)
{
if (string.IsNullOrEmpty(strFolder))
return;
try
{
ArrayList audioFiles = new ArrayList();
ArrayList photoFiles = new ArrayList();
ArrayList videoFiles = new ArrayList();
mediaSubType = MediaSubType.FILES;
string[] files = null;
DirectoryInfo di = new DirectoryInfo(strFolder);
if (di != null)
files = di.GetFiles("*.*", SearchOption.AllDirectories).Select(a => a.FullName).ToArray();
if (files != null && files.Length > 0)
{
//for (int i = files.Length - 1; i >= 0; i--)
for (int i = 0; i < files.Length; i++)
{
if (Util.Utils.IsVideo(files[i]))
{
videoFiles.Add(files[i]);
}
else if (Util.Utils.IsAudio(files[i]))
{
audioFiles.Add(files[i]);
if (Path.GetExtension(files[i]).ToLower() == ".cda")
mediaSubType = MediaSubType.AUDIO_CD;
}
else if (Util.Utils.IsPicture(files[i]))
{
photoFiles.Add(files[i]);
}
}
}
mediaFiles.Clear();
if (videoFiles.Count > 0)
{
mediaType = MediaType.VIDEO;
mediaFiles = videoFiles;
}
else if (audioFiles.Count > 0)
{
mediaType = MediaType.AUDIO;
mediaFiles = audioFiles;
}
else if (photoFiles.Count > 0)
{
mediaType = MediaType.PHOTO;
mediaFiles = photoFiles;
}
}
catch (Exception) {}
}
/// <summary>
/// Detects the media type of the CD/DVD inserted into a drive.
/// </summary>
/// <param name="driveLetter">The drive that contains the data.</param>
private static void DetectMediaType(string strDrive)
{
mediaType = MediaType.UNKNOWN;
mediaSubType = MediaSubType.UNKNOWN;
if (string.IsNullOrEmpty(strDrive))
return;
try
{
if (Directory.Exists(Path.Combine(strDrive, "VIDEO_TS")))
{
mediaType = MediaType.VIDEO;
mediaSubType = MediaSubType.DVD;
return;
}
if (Directory.Exists(Path.Combine(strDrive, "BDMV")))
{
mediaType = MediaType.VIDEO;
mediaSubType = MediaSubType.BLURAY;
return;
}
if (Directory.Exists(Path.Combine(strDrive, "HVDVD_TS")))
{
mediaType = MediaType.VIDEO;
mediaSubType = MediaSubType.HDDVD;
return;
}
if (Directory.Exists(Path.Combine(strDrive, "MPEGAV")))
{
mediaType = MediaType.VIDEO;
mediaSubType = MediaSubType.VCD;
return;
}
GetMediaTypeFromFiles(Path.GetPathRoot(strDrive));
}
catch (Exception) {}
}
