2023.4.28.0

Plugins
IPluginContentProvider: added DownloadSingleObject function; added tokens to GetMedia and Download functions; removed GetSpecialData function
Add IDownloadableMedia interface
Removed 'Channel' option from all functions and enums
ISiteSettings: added GetSingleMediaInstance function
ExchangeOptions: removed 'IsChannel'
UserMediaTypes: added Audio and AudioPre enums
IUserMedia, PluginUserMedia: changed ContentType and DownloadState from integers to their enums

SCrawler
Add YouTube standalone downloader
Add gallery-dl & yt-dlp support
Remove 'UserInfo' requirement from 'ProfilesSaved'
Update 'SiteSettingsBase' to use domains and Netscape cookies
UserDataBase: remove channels; remove old 'Merge' const; standardize SavedPosts file naming; move 'ValidateMD5' function from Twitter to UserDataBase to use it in other UserData classes; add 'DownloadSingleObject' environment for single posts; add validating file extension for m3u8 during download; add reindex of video file during download

Rewritten DomainsContainer
Create a universal settings form and PSettingsArttribute
Gfycat, Imgur: turn these classes into IUserData to download a single object

All plugins: update 'GetInstance' function for saved posts; update domains where implemented; remove 'OptionForm' where it exists; update options where they exist; update unix date providers; reconfigure channels where they exist

LPSG: fix attachments; update converters and regex
Add sites: ThisVid, Mastodon, Pinterest, YouTube, YouTube music
Reddit: standardize container parsing for all data types; new channel environment; fix 'ReparseMissing' function; redirect data downloading to the base download function, saved crossposts support
Twitter: fixed gif path bug; fixed downloading saved posts
PornHub: hide unnecessary errors; photo galleries bug
RedGifs: add 'UserAgent' option

Added icons to download progress

Rename some objects
Completely redesigned standalone downloader form and rewritten its environment
WebClient2: update to use tokens

Labels: update label form (save labels to file only when OK button is clicked); change removing labels.txt from recycle bin to permanent; disable storing label 'NoParsedUser'

UserCreatorForm: remove the 'Channel' checkbox and related functions; ability to extract the user's URL from the buffer and apply parameters if found
Remove temporary 'EncryptCookies' module

MainFrame: added simplified way to create new users (Ctrl+Insert to create a new user with default parameters from clipboard URL); removed SCrawler command line argument "-v" (remove the ability to run SCrawler as video downloader)
PropertyValueHost: update for option forms compatibility
SettingsHost: removed 'GetSpecialData' fork; added 'GetSingleMediaInstance' fork
UserDataHost: update functions with tokens; update events; add 'DownloadSingleObject' function
Settings: add the ability to get environment from 4 destinations; add the ability to set the program environment manually; add CMDEncoding; add cache; remove the old function 'RemoveUnusedPlugins'; add 'STDownloader' properties; add YT compatibility; add new notification options; add deleting user settings file when 'SettingsCLS.Dispose()' if where are no users in SCrawler
UserFinder: remove old 'Merge' const; remove channel option
UserInfo: remove channel option

SCrawler.PluginProvider/Interfaces/IPluginContentProvider.vb

@@ -8,8 +8,8 @@
 ' but WITHOUT ANY WARRANTY
 Namespace Plugin
     Public Interface IPluginContentProvider : Inherits IDisposable
-        Event ProgressChanged(ByVal Count As Integer)
-        Event TotalCountChanged(ByVal Count As Integer)
+        Event ProgressChanged(ByVal Value As Integer)
+        Event ProgressMaximumChanged(ByVal Value As Integer, ByVal Add As Boolean)
         Property Thrower As IThrower
         Property LogProvider As ILogProvider
         Property Settings As ISiteSettings
@@ -32,7 +32,8 @@ Namespace Plugin
         Sub ExchangeOptionsSet(ByVal Obj As Object)
         Sub XmlFieldsSet(ByVal Fields As List(Of KeyValuePair(Of String, String)))
         Function XmlFieldsGet() As List(Of KeyValuePair(Of String, String))
-        Sub GetMedia()
-        Sub Download()
+        Sub GetMedia(ByVal Token As Threading.CancellationToken)
+        Sub Download(ByVal Token As Threading.CancellationToken)
+        Sub DownloadSingleObject(ByVal Data As IDownloadableMedia, ByVal Token As Threading.CancellationToken)
     End Interface
 End Namespace