incr ver

Bug fixes and a change to license request logic

Source/AaxDecrypter/AaxDecrypter.csproj

@@ -13,7 +13,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-	  <PackageReference Include="AAXClean.Codecs" Version="2.0.1.1" />
+	  <PackageReference Include="AAXClean.Codecs" Version="2.0.1.2" />
 	</ItemGroup>
 
 	<ItemGroup>

Source/AaxDecrypter/AaxcDownloadConvertBase.cs

@@ -1,5 +1,6 @@
 using AAXClean;
 using System;
+using System.Linq;
 using System.Threading.Tasks;
 
 namespace AaxDecrypter
@@ -8,7 +9,7 @@ namespace AaxDecrypter
 	{
 		public event EventHandler<AppleTags> RetrievedMetadata;
 
-		protected Mp4File AaxFile { get; private set; }
+		public Mp4File AaxFile { get; private set; }
 		protected Mp4Operation AaxConversion { get; set; }
 
 		protected AaxcDownloadConvertBase(string outFileName, string cacheDirectory, IDownloadOptions dlOptions)
@@ -33,20 +34,33 @@ namespace AaxDecrypter
 		{
 			if (DownloadOptions.InputType is FileType.Dash)
 			{
+				//We may have multiple keys , so use the key whose key ID matches
+				//the dash files default Key ID.
+				var keyIds = DownloadOptions.DecryptionKeys.Select(k => new Guid(k.KeyPart1, bigEndian: true)).ToArray();
+
 				var dash = new DashFile(InputFileStream);
-				dash.SetDecryptionKey(DownloadOptions.AudibleKey, DownloadOptions.AudibleIV);
+				var kidIndex = Array.IndexOf(keyIds, dash.Tenc.DefaultKID);
+
+				if (kidIndex == -1)
+					throw new InvalidOperationException($"None of the {keyIds.Length} key IDs match the dash file's default KeyID of {dash.Tenc.DefaultKID}");
+
+				DownloadOptions.DecryptionKeys[0] = DownloadOptions.DecryptionKeys[kidIndex];
+				var keyId = DownloadOptions.DecryptionKeys[kidIndex].KeyPart1;
+				var key = DownloadOptions.DecryptionKeys[kidIndex].KeyPart2;
+
+				dash.SetDecryptionKey(keyId, key);
 				return dash;
 			}
 			else if (DownloadOptions.InputType is FileType.Aax)
 			{
 				var aax = new AaxFile(InputFileStream);
-				aax.SetDecryptionKey(DownloadOptions.AudibleKey);
+				aax.SetDecryptionKey(DownloadOptions.DecryptionKeys[0].KeyPart1);
 				return aax;
 			}
 			else if (DownloadOptions.InputType is FileType.Aaxc)
 			{
 				var aax = new AaxFile(InputFileStream);
-				aax.SetDecryptionKey(DownloadOptions.AudibleKey, DownloadOptions.AudibleIV);
+				aax.SetDecryptionKey(DownloadOptions.DecryptionKeys[0].KeyPart1, DownloadOptions.DecryptionKeys[0].KeyPart2);
 				return aax;
 			}
 			else throw new InvalidOperationException($"{nameof(DownloadOptions.InputType)} of '{DownloadOptions.InputType}' is unknown.");

Source/AaxDecrypter/AudiobookDownloadBase.cs

@@ -73,11 +73,16 @@ namespace AaxDecrypter
 			AsyncSteps[$"Cleanup"] = CleanupAsync;
 			(bool success, var elapsed) = await AsyncSteps.RunAsync();
 
+			//Stop the downloader so it doesn't keep running in the background.
+			if (!success)
+				nfsPersister.Dispose();
+
 			await progressTask;
 
 			var speedup = DownloadOptions.RuntimeLength / elapsed;
 			Serilog.Log.Information($"Speedup is {speedup:F0}x realtime.");
 
+			nfsPersister.Dispose();
 			return success;
 
 			async Task reportProgress()
@@ -177,7 +182,7 @@ namespace AaxDecrypter
 
 			FileUtility.SaferDelete(jsonDownloadState);
 
-			if (!string.IsNullOrEmpty(DownloadOptions.AudibleKey) &&
+			if (DownloadOptions.DecryptionKeys != null &&
 				DownloadOptions.RetainEncryptedFile &&
 				DownloadOptions.InputType is AAXClean.FileType fileType)
 			{
@@ -188,23 +193,28 @@ namespace AaxDecrypter
 
 				if (fileType is AAXClean.FileType.Aax)
 				{
-					await File.WriteAllTextAsync(keyPath, $"ActivationBytes={DownloadOptions.AudibleKey}");
+					await File.WriteAllTextAsync(keyPath, $"ActivationBytes={Convert.ToHexString(DownloadOptions.DecryptionKeys[0].KeyPart1)}");
 					aaxPath = Path.ChangeExtension(tempFilePath, ".aax");
 				}
 				else if (fileType is AAXClean.FileType.Aaxc)
 				{
-					await File.WriteAllTextAsync(keyPath, $"Key={DownloadOptions.AudibleKey}{Environment.NewLine}IV={DownloadOptions.AudibleIV}");
+					await File.WriteAllTextAsync(keyPath,
+						$"Key={Convert.ToHexString(DownloadOptions.DecryptionKeys[0].KeyPart1)}{Environment.NewLine}" +
+						$"IV={Convert.ToHexString(DownloadOptions.DecryptionKeys[0].KeyPart2)}");
 					aaxPath = Path.ChangeExtension(tempFilePath, ".aaxc");
 				}
 				else if (fileType is AAXClean.FileType.Dash)
 				{
-					await File.WriteAllTextAsync(keyPath, $"KeyId={DownloadOptions.AudibleKey}{Environment.NewLine}Key={DownloadOptions.AudibleIV}");
+					await File.WriteAllTextAsync(keyPath,
+						$"KeyId={Convert.ToHexString(DownloadOptions.DecryptionKeys[0].KeyPart1)}{Environment.NewLine}" +
+						$"Key={Convert.ToHexString(DownloadOptions.DecryptionKeys[0].KeyPart2)}");
 					aaxPath = Path.ChangeExtension(tempFilePath, ".dash");
 				}
 				else
 					throw new InvalidOperationException($"Unknown file type: {fileType}");
 
-				FileUtility.SaferMove(tempFilePath, aaxPath);
+				if (tempFilePath != aaxPath)
+					FileUtility.SaferMove(tempFilePath, aaxPath);
 
 				OnFileCreated(aaxPath);
 				OnFileCreated(keyPath);

Source/AaxDecrypter/IDownloadOptions.cs

@@ -2,15 +2,35 @@
 using System;
 using System.Threading.Tasks;
 
+#nullable enable
 namespace AaxDecrypter
 {
-    public interface IDownloadOptions
+    public class KeyData
+    {
+        public byte[] KeyPart1 { get; }
+        public byte[]? KeyPart2 { get; }
+
+        public KeyData(byte[] keyPart1, byte[]? keyPart2 = null)
+        {
+            KeyPart1 = keyPart1;
+            KeyPart2 = keyPart2;
+        }
+
+        public KeyData(string keyPart1, string? keyPart2 = null)
+        {
+            ArgumentNullException.ThrowIfNull(keyPart1, nameof(keyPart1));
+            KeyPart1 = Convert.FromBase64String(keyPart1);
+            if (keyPart2 != null)
+                KeyPart2 = Convert.FromBase64String(keyPart2);
+        }
+	}    
+
+	public interface IDownloadOptions
     {
         event EventHandler<long> DownloadSpeedChanged;
         string DownloadUrl { get; }
         string UserAgent { get; }
-        string AudibleKey { get; }
-        string AudibleIV { get; }
+		KeyData[]? DecryptionKeys { get; }
         TimeSpan RuntimeLength { get; }
         OutputFormat OutputFormat { get; }
         bool TrimOutputToChapterLength { get; }
@@ -21,14 +41,14 @@ namespace AaxDecrypter
         long DownloadSpeedBps { get; }
         ChapterInfo ChapterInfo { get; }
         bool FixupFile { get; }
-		string AudibleProductId { get; }
-		string Title { get; }
-		string Subtitle { get; }
-		string Publisher { get; }
-		string Language { get; }
-		string SeriesName { get; }
+		string? AudibleProductId { get; }
+		string? Title { get; }
+		string? Subtitle { get; }
+		string? Publisher { get; }
+		string? Language { get; }
+		string? SeriesName { get; }
 		float? SeriesNumber { get; }
-		NAudio.Lame.LameConfig LameConfig { get; }
+		NAudio.Lame.LameConfig? LameConfig { get; }
         bool Downsample { get; }
         bool MatchSourceBitrate { get; }
         bool MoveMoovToBeginning { get; }

Source/AaxDecrypter/NetworkFileStream.cs

@@ -110,14 +110,16 @@ namespace AaxDecrypter
 		#region Downloader
 
 		/// <summary> Update the <see cref="Dinah.Core.IO.JsonFilePersister{T}"/>. </summary>
-		private void OnUpdate()
+		private void OnUpdate(bool waitForWrite = false)
 		{
 			try
 			{
-				if (DateTime.UtcNow > NextUpdateTime)
+				if (waitForWrite || DateTime.UtcNow > NextUpdateTime)
 				{
 					Updated?.Invoke(this, EventArgs.Empty);
 					//JsonFilePersister Will not allow update intervals shorter than 100 milliseconds
+					//If an update is called less than 100 ms since the last update, persister will
+					//sleep the thread until 100 ms has elapsed.
 					NextUpdateTime = DateTime.UtcNow.AddMilliseconds(110);
 				}
 			}
@@ -277,11 +279,11 @@ namespace AaxDecrypter
 
 					if (SpeedLimit >= MIN_BYTES_PER_SECOND && bytesReadSinceThrottle > SpeedLimit / THROTTLE_FREQUENCY)
 					{
-						var delayMS = (int)(startTime.AddSeconds(1d / THROTTLE_FREQUENCY) - DateTime.Now).TotalMilliseconds;
+						var delayMS = (int)(startTime.AddSeconds(1d / THROTTLE_FREQUENCY) - DateTime.UtcNow).TotalMilliseconds;
 						if (delayMS > 0)
 							await Task.Delay(delayMS, _cancellationSource.Token);
 
-						startTime = DateTime.Now;
+						startTime = DateTime.UtcNow;
 						bytesReadSinceThrottle = 0;
 					}
 
@@ -305,7 +307,7 @@ namespace AaxDecrypter
 			finally
 			{
 				_downloadedPiece.Set();
-				OnUpdate();
+				OnUpdate(waitForWrite: true);
 			}
 		}
 
@@ -402,7 +404,7 @@ namespace AaxDecrypter
 				_cancellationSource?.Dispose();
 				_readFile.Dispose();
 				_writeFile.Dispose();
-				OnUpdate();
+				OnUpdate(waitForWrite: true);
 			}
 
 			disposed = true;

Source/AppScaffolding/AppScaffolding.csproj

@@ -2,7 +2,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net9.0</TargetFramework>
-    <Version>12.4.0.1</Version>
+    <Version>12.4.2.1</Version>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Octokit" Version="14.0.0" />

Source/ApplicationServices/LibraryCommands.cs

@@ -32,7 +32,7 @@ namespace ApplicationServices
             ScanEnd += (_, __) => Scanning = false;
         }
 
-        public static async Task<List<LibraryBook>> FindInactiveBooks(Func<Account, Task<ApiExtended>> apiExtendedfunc, IEnumerable<LibraryBook> existingLibrary, params Account[] accounts)
+        public static async Task<List<LibraryBook>> FindInactiveBooks(IEnumerable<LibraryBook> existingLibrary, params Account[] accounts)
         {
             logRestart();
 
@@ -58,7 +58,7 @@ namespace ApplicationServices
             try
             {
                 logTime($"pre {nameof(scanAccountsAsync)} all");
-                var libraryItems = await scanAccountsAsync(apiExtendedfunc, accounts, libraryOptions);
+                var libraryItems = await scanAccountsAsync(accounts, libraryOptions);
                 logTime($"post {nameof(scanAccountsAsync)} all");
 
                 var totalCount = libraryItems.Count;
@@ -101,7 +101,7 @@ namespace ApplicationServices
         }
 
         #region FULL LIBRARY scan and import
-        public static async Task<(int totalCount, int newCount)> ImportAccountAsync(Func<Account, Task<ApiExtended>> apiExtendedfunc, params Account[]? accounts)
+        public static async Task<(int totalCount, int newCount)> ImportAccountAsync(params Account[]? accounts)
         {
             logRestart();
 
@@ -131,7 +131,7 @@ namespace ApplicationServices
                         | LibraryOptions.ResponseGroupOptions.IsFinished,
 					ImageSizes = LibraryOptions.ImageSizeOptions._500 | LibraryOptions.ImageSizeOptions._1215
                 };
-                var importItems = await scanAccountsAsync(apiExtendedfunc, accounts, libraryOptions);
+                var importItems = await scanAccountsAsync(accounts, libraryOptions);
                 logTime($"post {nameof(scanAccountsAsync)} all");
 
                 var totalCount = importItems.Count;
@@ -262,7 +262,7 @@ namespace ApplicationServices
             return null;
         }
 
-		private static async Task<List<ImportItem>> scanAccountsAsync(Func<Account, Task<ApiExtended>> apiExtendedfunc, Account[] accounts, LibraryOptions libraryOptions)
+		private static async Task<List<ImportItem>> scanAccountsAsync(Account[] accounts, LibraryOptions libraryOptions)
         {
             var tasks = new List<Task<List<ImportItem>>>();
 
@@ -278,7 +278,7 @@ namespace ApplicationServices
                 try
                 {
                     // get APIs in serial b/c of logins. do NOT move inside of parallel (Task.WhenAll)
-                    var apiExtended = await apiExtendedfunc(account);
+                    var apiExtended = await ApiExtended.CreateAsync(account);
 
                     // add scanAccountAsync as a TASK: do not await
                     tasks.Add(scanAccountAsync(apiExtended, account, libraryOptions, archiver));

Source/AudibleUtilities/ApiExtended.cs

@@ -11,11 +11,13 @@ using Polly;
 using Polly.Retry;
 using System.Threading;
 
+#nullable enable
 namespace AudibleUtilities
 {
 	/// <summary>USE THIS from within Libation. It wraps the call with correct JSONPath</summary>
 	public class ApiExtended
 	{
+		public static Func<Account, ILoginChoiceEager>? LoginChoiceFactory { get; set; }
 		public Api Api { get; private set; }
 
 		private const int MaxConcurrency = 10;
@@ -24,52 +26,46 @@ namespace AudibleUtilities
 		private ApiExtended(Api api) => Api = api;
 
 		/// <summary>Get api from existing tokens else login with 'eager' choice. External browser url is provided. Response can be external browser login or continuing with native api callbacks.</summary>
-		public static async Task<ApiExtended> CreateAsync(Account account, ILoginChoiceEager loginChoiceEager)
-		{
-			Serilog.Log.Logger.Information("{@DebugInfo}", new
-			{
-				LoginType = nameof(ILoginChoiceEager),
-				Account = account?.MaskedLogEntry ?? "[null]",
-				LocaleName = account?.Locale?.Name
-			});
-
-			var api = await EzApiCreator.GetApiAsync(
-				loginChoiceEager,
-				account.Locale,
-				AudibleApiStorage.AccountsSettingsFile,
-				account.GetIdentityTokensJsonPath());
-			return new ApiExtended(api);
-		}
-
-		/// <summary>Get api from existing tokens. Assumes you have valid login tokens. Else exception</summary>
 		public static async Task<ApiExtended> CreateAsync(Account account)
 		{
 			ArgumentValidator.EnsureNotNull(account, nameof(account));
+			ArgumentValidator.EnsureNotNull(account.AccountId, nameof(account.AccountId));
 			ArgumentValidator.EnsureNotNull(account.Locale, nameof(account.Locale));
 
-			Serilog.Log.Logger.Information("{@DebugInfo}", new
+			try
 			{
-				AccountMaskedLogEntry = account.MaskedLogEntry
-			});
+				Serilog.Log.Logger.Information("{@DebugInfo}", new
+				{
+					AccountMaskedLogEntry = account.MaskedLogEntry
+				});
 
-			return await CreateAsync(account.AccountId, account.Locale.Name);
-		}
-
-		/// <summary>Get api from existing tokens. Assumes you have valid login tokens. Else exception</summary>
-		public static async Task<ApiExtended> CreateAsync(string username, string localeName)
-		{
-			Serilog.Log.Logger.Information("{@DebugInfo}", new
+				var api = await EzApiCreator.GetApiAsync(
+						account.Locale,
+						AudibleApiStorage.AccountsSettingsFile,
+						account.GetIdentityTokensJsonPath());
+				return new ApiExtended(api);
+			}
+			catch
 			{
-				Username = username.ToMask(),
-				LocaleName = localeName,
-			});
+				if (LoginChoiceFactory is null)
+					throw new InvalidOperationException($"The UI module must first set {nameof(LoginChoiceFactory)} before attempting to create the api");
 
-			var api = await EzApiCreator.GetApiAsync(
-					Localization.Get(localeName),
+				Serilog.Log.Logger.Information("{@DebugInfo}", new
+				{
+					LoginType = nameof(ILoginChoiceEager),
+					Account = account.MaskedLogEntry ?? "[null]",
+					LocaleName = account.Locale?.Name
+				});
+
+				var api = await EzApiCreator.GetApiAsync(
+					LoginChoiceFactory(account),
+					account.Locale,
 					AudibleApiStorage.AccountsSettingsFile,
-					AudibleApiStorage.GetIdentityTokensJsonPath(username, localeName));
-			return new ApiExtended(api);
-		}
+					account.GetIdentityTokensJsonPath());
+
+				return new ApiExtended(api);
+			}
+		}	
 
 		private static AsyncRetryPolicy policy { get; }
 			= Policy.Handle<Exception>()

Source/AudibleUtilities/AudibleUtilities.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AudibleApi" Version="9.4.0.1" />
+    <PackageReference Include="AudibleApi" Version="9.4.1.1" />
     <PackageReference Include="Google.Protobuf" Version="3.30.2" />
   </ItemGroup>
 

Source/AudibleUtilities/Widevine/Cdm.cs

@@ -55,7 +55,7 @@ public class WidevineKey
 		Type = (KeyType)type;
 		Key = key;
 	}
-	public override string ToString() => $"{Convert.ToHexString(Kid.ToByteArray()).ToLower()}:{Convert.ToHexString(Key).ToLower()}";
+	public override string ToString() => $"{Convert.ToHexString(Kid.ToByteArray(bigEndian: true)).ToLower()}:{Convert.ToHexString(Key).ToLower()}";
 }
 
 public partial class Cdm
@@ -192,7 +192,7 @@ public partial class Cdm
 					id = id.Append(new byte[16 - id.Length]);
 				}
 
-				keys[i] = new WidevineKey(new Guid(id), keyContainer.Type, keyBytes);
+				keys[i] = new WidevineKey(new Guid(id,bigEndian: true), keyContainer.Type, keyBytes);
 			}
 			return keys;
 		}

Source/DataLayer/EfClasses/Book.cs

@@ -43,9 +43,11 @@ namespace DataLayer
         public ContentType ContentType { get; private set; }
         public string Locale { get; private set; }
 
-        //This field is now unused, however, there is little sense in adding a
-        //database migration to remove an unused field. Leave it for compatibility.
-        internal long _audioFormat;
+		//This field is now unused, however, there is little sense in adding a
+		//database migration to remove an unused field. Leave it for compatibility.
+#pragma warning disable CS0649 // Field 'Book._audioFormat' is never assigned to, and will always have its default value 0
+		internal long _audioFormat;
+#pragma warning restore CS0649
 
         // mutable
         public string PictureId { get; set; }

Source/FileLiberator/DownloadDecryptBook.cs

@@ -171,6 +171,29 @@ namespace FileLiberator
             if (sender is not AaxcDownloadConvertBase converter || converter.DownloadOptions is not DownloadOptions options)
 				return;
 
+			#region Prevent erroneous truncation due to incorrect chapter info
+
+			//Sometimes the chapter info is not accurate. Since AAXClean trims audio
+			//files to the chapters start and end, if the last chapter's end time is
+			//before the end of the audio file, the file will be truncated to match
+			//the chapter. This is never desirable, so pad the last chapter to match
+			//the original audio length.
+
+			var fileDuration = converter.AaxFile.Duration;
+            if (options.Config.StripAudibleBrandAudio)
+                fileDuration -= TimeSpan.FromMilliseconds(options.ContentMetadata.ChapterInfo.BrandOutroDurationMs);
+
+            var durationDelta = fileDuration - options.ChapterInfo.EndOffset;
+			//Remove the last chapter and re-add it with the durationDelta that will
+            //make the chapter's end coincide with the end of the audio file.
+			var chapters = options.ChapterInfo.Chapters as List<AAXClean.Chapter>;
+			var lastChapter = chapters[^1];
+
+			chapters.Remove(lastChapter);
+			options.ChapterInfo.Add(lastChapter.Title, lastChapter.Duration + durationDelta);
+            
+            #endregion
+
 			tags.Title ??= options.LibraryBookDto.TitleWithSubtitle;
             tags.Album ??= tags.Title;
             tags.Artist ??= string.Join("; ", options.LibraryBook.Book.Authors.Select(a => a.Name));

Source/FileLiberator/DownloadOptions.Factory.cs

@@ -27,31 +27,52 @@ public partial class DownloadOptions
 	public static async Task<DownloadOptions> InitiateDownloadAsync(Api api, Configuration config, LibraryBook libraryBook)
 	{
 		var license = await ChooseContent(api, libraryBook, config);
+
+		//Some audiobooks will have incorrect chapters in the metadata returned from the license request,
+		//but the metadata returned by the content metadata endpoint will be correct. Call the content
+		//metadata endpoint and use its chapters. Only replace the license request chapters if the total
+		//lengths match (defensive against different audio formats having slightly different lengths).
+		var metadata = await api.GetContentMetadataAsync(libraryBook.Book.AudibleProductId);
+		if (metadata.ChapterInfo.RuntimeLengthMs == license.ContentMetadata.ChapterInfo.RuntimeLengthMs)
+			license.ContentMetadata.ChapterInfo = metadata.ChapterInfo;
+
 		var options = BuildDownloadOptions(libraryBook, config, license);
 
 		return options;
 	}
 
-	private static async Task<ContentLicense> ChooseContent(Api api, LibraryBook libraryBook, Configuration config)
+	private class LicenseInfo
+	{
+		public DrmType DrmType { get; }
+		public ContentMetadata ContentMetadata { get; set; }
+		public KeyData[]? DecryptionKeys { get; }
+		public LicenseInfo(ContentLicense license, IEnumerable<KeyData>? keys = null)
+		{
+			DrmType = license.DrmType;
+			ContentMetadata = license.ContentMetadata;
+			DecryptionKeys = keys?.ToArray() ?? ToKeys(license.Voucher);
+		}
+
+		private static KeyData[]? ToKeys(VoucherDtoV10? voucher)
+			=> voucher is null ? null : [new KeyData(voucher.Key, voucher.Iv)];
+	}
+
+	private static async Task<LicenseInfo> ChooseContent(Api api, LibraryBook libraryBook, Configuration config)
 	{
 		var dlQuality = config.FileDownloadQuality == Configuration.DownloadQuality.Normal ? DownloadQuality.Normal : DownloadQuality.High;
 
 		if (!config.UseWidevine || await Cdm.GetCdmAsync() is not Cdm cdm)
-			return await api.GetDownloadLicenseAsync(libraryBook.Book.AudibleProductId, dlQuality);
-
-		ContentLicense? contentLic = null, fallback = null;
+		{
+			var license = await api.GetDownloadLicenseAsync(libraryBook.Book.AudibleProductId, dlQuality);
+			return new LicenseInfo(license);
+		}
 
 		try
 		{
 			//try to request a widevine content license using the user's spatial audio settings
-			var codecChoice = config.SpatialAudioCodec switch
-			{
-				Configuration.SpatialCodec.EC_3 => Ec3Codec,
-				Configuration.SpatialCodec.AC_4 => Ac4Codec,
-				_ => throw new NotSupportedException($"Unknown value for {nameof(config.SpatialAudioCodec)}")
-			};
+			var codecChoice = config.SpatialAudioCodec is Configuration.SpatialCodec.AC_4 ? Ac4Codec : Ec3Codec;
 
-			contentLic
+			var contentLic
 				= await api.GetDownloadLicenseAsync(
 					libraryBook.Book.AudibleProductId,
 					dlQuality,
@@ -59,119 +80,50 @@ public partial class DownloadOptions
 					DrmType.Widevine,
 					config.RequestSpatial,
 					codecChoice);
+
+			if (contentLic.DrmType is not DrmType.Widevine)
+				return new LicenseInfo(contentLic);
+
+			using var client = new HttpClient();
+			using var mpdResponse = await client.GetAsync(contentLic.LicenseResponse);
+			var dash = new MpegDash(mpdResponse.Content.ReadAsStream());
+
+			if (!dash.TryGetUri(new Uri(contentLic.LicenseResponse), out var contentUri))
+				throw new InvalidDataException("Failed to get mpeg-dash content download url.");
+
+			contentLic.ContentMetadata.ContentUrl = new() { OfflineUrl = contentUri.ToString() };
+
+			using var session = cdm.OpenSession();
+			var challenge = session.GetLicenseChallenge(dash);
+			var licenseMessage = await api.WidevineDrmLicense(libraryBook.Book.AudibleProductId, challenge);
+			var keys = session.ParseLicense(licenseMessage);
+			return new LicenseInfo(contentLic, keys.Select(k => new KeyData(k.Kid.ToByteArray(bigEndian: true), k.Key)));
 		}
 		catch (Exception ex)
 		{
 			Serilog.Log.Logger.Error(ex, "Failed to request a Widevine license.");
-			//We failed to get a widevine license, so fall back to AAX(C)
-			return await api.GetDownloadLicenseAsync(libraryBook.Book.AudibleProductId, dlQuality);
+			//We failed to get a widevine content license. Depending on the
+			//failure reason, users can potentially still download this audiobook
+			//by disabling the "Use Widevine DRM" feature.
+			throw;
 		}
-
-		if (!contentLic.ContentMetadata.ContentReference.IsSpatial && contentLic.DrmType != DrmType.Adrm)
-		{
-			/*
-			We got a widevine license and we have a Cdm, but we still need to decide if we WANT the file
-			being delivered with widevine. This file is not "spatial", so it may be no better than the
-			audio in the Adrm files. All else being equal, we prefer Adrm files because they have more
-			build-in metadata and always AAC-LC, which is a codec playable by pretty much every device
-			in existence.
-
-			Unfortunately, there appears to be no way to determine which codec/quality combination we'll
-			get until we make the request and see what content gets delivered. For some books,
-			Widevine/High delivers 44.1 kHz / 128 kbps audio and Adrm/High delivers 22.05 kHz / 64 kbps.
-			In those cases, the Widevine content size is much larger. Other books will deliver the same
-			sample rate / bitrate for both Widevine and Adrm, the only difference being codec. Widevine
-			is usually xHE-AAC, but is sometimes AAC-LC. Adrm is always AAC-LC.
-
-			To decide which file we want, use this simple rule: if files are different codecs and
-			Widevine is significantly larger, use Widevine. Otherwise use ADRM.
-			*/
-
-			fallback = await api.GetDownloadLicenseAsync(libraryBook.Book.AudibleProductId, dlQuality);
-
-			var wvCr = contentLic.ContentMetadata.ContentReference;
-			var adrmCr = fallback.ContentMetadata.ContentReference;
-
-			if (wvCr.Codec == adrmCr.Codec ||
-				adrmCr.ContentSizeInBytes > wvCr.ContentSizeInBytes ||
-				RelativePercentDifference(adrmCr.ContentSizeInBytes, wvCr.ContentSizeInBytes) < 0.05)
-			{
-				contentLic = fallback;
-			}
-		}		
-
-		if (contentLic.DrmType == DrmType.Widevine)
-		{
-			try
-			{
-				using var client = new HttpClient();
-				using var mpdResponse = await client.GetAsync(contentLic.LicenseResponse);
-				var dash = new MpegDash(mpdResponse.Content.ReadAsStream());
-
-				if (!dash.TryGetUri(new Uri(contentLic.LicenseResponse), out var contentUri))
-					throw new InvalidDataException("Failed to get mpeg-dash content download url.");
-
-				contentLic.ContentMetadata.ContentUrl = new() { OfflineUrl = contentUri.ToString() };
-
-				using var session = cdm.OpenSession();
-				var challenge = session.GetLicenseChallenge(dash);
-				var licenseMessage = await api.WidevineDrmLicense(libraryBook.Book.AudibleProductId, challenge);
-				var keys = session.ParseLicense(licenseMessage);
-				contentLic.Voucher = new VoucherDtoV10()
-				{
-					Key = Convert.ToHexStringLower(keys[0].Kid.ToByteArray()),
-					Iv = Convert.ToHexStringLower(keys[0].Key)
-				};
-			}
-			catch
-			{
-				if (fallback != null)
-					return fallback;
-
-				//We won't have a fallback if the requested license is for a spatial audio file.
-				//Throw so that the user is aware that spatial audio exists and that they were not able to download it.
-				throw;
-			}
-		}
-		return contentLic;
 	}
 
 
-	private static DownloadOptions BuildDownloadOptions(LibraryBook libraryBook, Configuration config, ContentLicense contentLic)
+	private static DownloadOptions BuildDownloadOptions(LibraryBook libraryBook, Configuration config, LicenseInfo licInfo)
 	{
-		//If DrmType is not Adrm or Widevine, the delivered file is an unencrypted mp3.
-		var outputFormat
-			= contentLic.DrmType is not DrmType.Adrm and not DrmType.Widevine ||
-			(config.AllowLibationFixup && config.DecryptToLossy && contentLic.ContentMetadata.ContentReference.Codec != "ac-4")
-			? OutputFormat.Mp3
-			: OutputFormat.M4b;
-
 		long chapterStartMs
 			= config.StripAudibleBrandAudio
-			? contentLic.ContentMetadata.ChapterInfo.BrandIntroDurationMs
+			? licInfo.ContentMetadata.ChapterInfo.BrandIntroDurationMs
 			: 0;
 
-		AAXClean.FileType? inputType
-			= contentLic.DrmType is DrmType.Widevine ? AAXClean.FileType.Dash
-			: contentLic.DrmType is DrmType.Adrm && contentLic.Voucher?.Key.Length == 8 && contentLic.Voucher?.Iv == null ? AAXClean.FileType.Aax
-			: contentLic.DrmType is DrmType.Adrm && contentLic.Voucher?.Key.Length == 32 && contentLic.Voucher?.Iv.Length == 32 ? AAXClean.FileType.Aaxc
-			: null;
-
-		var dlOptions = new DownloadOptions(config, libraryBook, contentLic.ContentMetadata.ContentUrl?.OfflineUrl)
+		var dlOptions = new DownloadOptions(config, libraryBook, licInfo)
 		{
-			AudibleKey = contentLic.Voucher?.Key,
-			AudibleIV = contentLic.Voucher?.Iv,
-			InputType = inputType,
-			OutputFormat = outputFormat,
-			DrmType = contentLic.DrmType,
-			ContentMetadata = contentLic.ContentMetadata,
-			LameConfig = outputFormat == OutputFormat.Mp3 ? GetLameOptions(config) : null,
 			ChapterInfo = new AAXClean.ChapterInfo(TimeSpan.FromMilliseconds(chapterStartMs)),
-			RuntimeLength = TimeSpan.FromMilliseconds(contentLic.ContentMetadata.ChapterInfo.RuntimeLengthMs),
+			RuntimeLength = TimeSpan.FromMilliseconds(licInfo.ContentMetadata.ChapterInfo.RuntimeLengthMs),
 		};
 
-		dlOptions.LibraryBookDto.Codec = contentLic.ContentMetadata.ContentReference.Codec;
-		if (TryGetAudioInfo(contentLic.ContentMetadata.ContentUrl, out int? bitrate, out int? sampleRate, out int? channels))
+		if (TryGetAudioInfo(licInfo.ContentMetadata.ContentUrl, out int? bitrate, out int? sampleRate, out int? channels))
 		{
 			dlOptions.LibraryBookDto.BitRate = bitrate;
 			dlOptions.LibraryBookDto.SampleRate = sampleRate;
@@ -180,7 +132,7 @@ public partial class DownloadOptions
 
 		var titleConcat = config.CombineNestedChapterTitles ? ": " : null;
 		var chapters
-			= flattenChapters(contentLic.ContentMetadata.ChapterInfo.Chapters, titleConcat)
+			= flattenChapters(licInfo.ContentMetadata.ChapterInfo.Chapters, titleConcat)
 			.OrderBy(c => c.StartOffsetMs)
 			.ToList();
 
@@ -196,7 +148,7 @@ public partial class DownloadOptions
 				chapLenMs -= chapterStartMs;
 
 			if (config.StripAudibleBrandAudio && i == chapters.Count - 1)
-				chapLenMs -= contentLic.ContentMetadata.ChapterInfo.BrandOutroDurationMs;
+				chapLenMs -= licInfo.ContentMetadata.ChapterInfo.BrandOutroDurationMs;
 
 			dlOptions.ChapterInfo.AddChapter(chapter.Title, TimeSpan.FromMilliseconds(chapLenMs));
 		}
@@ -356,7 +308,7 @@ public partial class DownloadOptions
 			else if (titleConcat is null)
 			{
 				chaps.Add(c);
-				chaps.AddRange(flattenChapters(c.Chapters));
+				chaps.AddRange(flattenChapters(c.Chapters, titleConcat));
 			}
 			else
 			{
@@ -369,7 +321,7 @@ public partial class DownloadOptions
 				else
 					chaps.Add(c);
 
-				var children = flattenChapters(c.Chapters);
+				var children = flattenChapters(c.Chapters, titleConcat);
 
 				foreach (var child in children)
 					child.Title = $"{c.Title}{titleConcat}{child.Title}";

Source/FileLiberator/DownloadOptions.cs

@@ -9,47 +9,47 @@ using System.IO;
 using ApplicationServices;
 using LibationFileManager.Templates;
 
+#nullable enable
 namespace FileLiberator
 {
 	public partial class DownloadOptions : IDownloadOptions, IDisposable
 	{
-		public event EventHandler<long> DownloadSpeedChanged;
+		public event EventHandler<long>? DownloadSpeedChanged;
 		public LibraryBook LibraryBook { get; }
 		public LibraryBookDto LibraryBookDto { get; }
 		public string DownloadUrl { get; }
-		public string AudibleKey { get; init; }
-		public string AudibleIV { get; init; }
-		public TimeSpan RuntimeLength { get; init; }
-		public OutputFormat OutputFormat { get; init; }
-		public ChapterInfo ChapterInfo { get; init; }
+		public KeyData[]? DecryptionKeys { get; }
+		public required TimeSpan RuntimeLength { get; init; }
+		public OutputFormat OutputFormat { get; }
+		public required ChapterInfo ChapterInfo { get; init; }
 		public string Title => LibraryBook.Book.Title;
 		public string Subtitle => LibraryBook.Book.Subtitle;
 		public string Publisher => LibraryBook.Book.Publisher;
 		public string Language => LibraryBook.Book.Language;
-		public string AudibleProductId => LibraryBookDto.AudibleProductId;
-		public string SeriesName => LibraryBookDto.FirstSeries?.Name;
+		public string? AudibleProductId => LibraryBookDto.AudibleProductId;
+		public string? SeriesName => LibraryBookDto.FirstSeries?.Name;
 		public float? SeriesNumber => LibraryBookDto.FirstSeries?.Number;
-		public NAudio.Lame.LameConfig LameConfig { get; init; }
+		public NAudio.Lame.LameConfig? LameConfig { get; }
 		public string UserAgent => AudibleApi.Resources.Download_User_Agent;
-		public bool TrimOutputToChapterLength => config.AllowLibationFixup && config.StripAudibleBrandAudio;
-		public bool StripUnabridged => config.AllowLibationFixup && config.StripUnabridged;
-		public bool CreateCueSheet => config.CreateCueSheet;
-		public bool DownloadClipsBookmarks => config.DownloadClipsBookmarks;
-		public long DownloadSpeedBps => config.DownloadSpeedLimit;
-		public bool RetainEncryptedFile => config.RetainAaxFile;
-		public bool FixupFile => config.AllowLibationFixup;
-		public bool Downsample => config.AllowLibationFixup && config.LameDownsampleMono;
-		public bool MatchSourceBitrate => config.AllowLibationFixup && config.LameMatchSourceBR && config.LameTargetBitrate;
-		public bool MoveMoovToBeginning => config.MoveMoovToBeginning;
-		public AAXClean.FileType? InputType { get; init; }
-		public AudibleApi.Common.DrmType DrmType { get; init; }
-		public AudibleApi.Common.ContentMetadata ContentMetadata { get; init; }
+		public bool TrimOutputToChapterLength => Config.AllowLibationFixup && Config.StripAudibleBrandAudio;
+		public bool StripUnabridged => Config.AllowLibationFixup && Config.StripUnabridged;
+		public bool CreateCueSheet => Config.CreateCueSheet;
+		public bool DownloadClipsBookmarks => Config.DownloadClipsBookmarks;
+		public long DownloadSpeedBps => Config.DownloadSpeedLimit;
+		public bool RetainEncryptedFile => Config.RetainAaxFile;
+		public bool FixupFile => Config.AllowLibationFixup;
+		public bool Downsample => Config.AllowLibationFixup && Config.LameDownsampleMono;
+		public bool MatchSourceBitrate => Config.AllowLibationFixup && Config.LameMatchSourceBR && Config.LameTargetBitrate;
+		public bool MoveMoovToBeginning => Config.MoveMoovToBeginning;
+		public AAXClean.FileType? InputType { get; }
+		public AudibleApi.Common.DrmType DrmType { get; }
+		public AudibleApi.Common.ContentMetadata ContentMetadata { get; }
 
 		public string GetMultipartFileName(MultiConvertFileProperties props)
 		{
 			var baseDir = Path.GetDirectoryName(props.OutputFileName);
 			var extension = Path.GetExtension(props.OutputFileName);
-			return Templates.ChapterFile.GetFilename(LibraryBookDto, props, baseDir, extension);
+			return Templates.ChapterFile.GetFilename(LibraryBookDto, props, baseDir!, extension);
 		}
 
 		public string GetMultipartTitle(MultiConvertFileProperties props)
@@ -59,7 +59,7 @@ namespace FileLiberator
 		{
 			if (DownloadClipsBookmarks)
 			{
-				var format = config.ClipsBookmarksFileFormat;
+				var format = Config.ClipsBookmarksFileFormat;
 
 				var formatExtension = format.ToString().ToLowerInvariant();
 				var filePath = Path.ChangeExtension(fileName, formatExtension);
@@ -84,7 +84,7 @@ namespace FileLiberator
 			return string.Empty;
 		}
 
-		private readonly Configuration config;
+		public Configuration Config { get; }
 		private readonly IDisposable cancellation;
 		public void Dispose()
 		{
@@ -92,14 +92,38 @@ namespace FileLiberator
 			GC.SuppressFinalize(this);
 		}
 
-		private DownloadOptions(Configuration config, LibraryBook libraryBook, [System.Diagnostics.CodeAnalysis.NotNull] string downloadUrl)
+		private DownloadOptions(Configuration config, LibraryBook libraryBook, LicenseInfo licInfo)
 		{
-			this.config = ArgumentValidator.EnsureNotNull(config, nameof(config));
+			Config = ArgumentValidator.EnsureNotNull(config, nameof(config));
 			LibraryBook = ArgumentValidator.EnsureNotNull(libraryBook, nameof(libraryBook));
-			DownloadUrl = ArgumentValidator.EnsureNotNullOrEmpty(downloadUrl, nameof(downloadUrl));
-			// no null/empty check for key/iv. unencrypted files do not have them
 
+			ArgumentValidator.EnsureNotNull(licInfo, nameof(licInfo));
+
+			if (licInfo.ContentMetadata.ContentUrl.OfflineUrl is not string licUrl)
+				throw new InvalidDataException("Content license doesn't contain an offline Url");
+
+			DownloadUrl = licUrl;
+			DecryptionKeys = licInfo.DecryptionKeys;
+			DrmType = licInfo.DrmType;
+			ContentMetadata = licInfo.ContentMetadata;
+			InputType
+			= licInfo.DrmType is AudibleApi.Common.DrmType.Widevine ? AAXClean.FileType.Dash
+			: licInfo.DrmType is AudibleApi.Common.DrmType.Adrm && licInfo.DecryptionKeys?.Length == 1 && licInfo.DecryptionKeys[0].KeyPart1.Length == 8 && licInfo.DecryptionKeys[0].KeyPart2 is null ? AAXClean.FileType.Aax
+			: licInfo.DrmType is AudibleApi.Common.DrmType.Adrm && licInfo.DecryptionKeys?.Length == 1 && licInfo.DecryptionKeys[0].KeyPart1.Length == 32 && licInfo.DecryptionKeys[0].KeyPart2?.Length == 32 ? AAXClean.FileType.Aaxc
+			: null;
+
+			//If DrmType is not Adrm or Widevine, the delivered file is an unencrypted mp3.
+			OutputFormat
+				= licInfo.DrmType is not AudibleApi.Common.DrmType.Adrm and not AudibleApi.Common.DrmType.Widevine ||
+				(config.AllowLibationFixup && config.DecryptToLossy && licInfo.ContentMetadata.ContentReference.Codec != Ac4Codec)
+				? OutputFormat.Mp3
+				: OutputFormat.M4b;
+
+			LameConfig = OutputFormat == OutputFormat.Mp3 ? GetLameOptions(config) : null;
+
+			// no null/empty check for key/iv. unencrypted files do not have them
 			LibraryBookDto = LibraryBook.ToDto();
+			LibraryBookDto.Codec = licInfo.ContentMetadata.ContentReference.Codec;
 
 			cancellation =
 				config

Source/FileLiberator/UtilityExtensions.cs

@@ -20,9 +20,15 @@ namespace FileLiberator
 			account: libraryBook.Account.ToMask()
 			);
 
+		public static Func<Account, Task<ApiExtended>>? ApiExtendedFunc { get; set; }
+
 		public static async Task<AudibleApi.Api> GetApiAsync(this LibraryBook libraryBook)
 		{
-			var apiExtended = await ApiExtended.CreateAsync(libraryBook.Account, libraryBook.Book.Locale);
+			Account account;
+			using (var accounts = AudibleApiStorage.GetAccountsSettingsPersister())
+				account = accounts.AccountsSettings.GetAccount(libraryBook.Account, libraryBook.Book.Locale);
+
+			var apiExtended = await ApiExtended.CreateAsync(account);
 			return apiExtended.Api;
 		}
 

Source/HangoverAvalonia/App.axaml

@@ -6,7 +6,30 @@
         <local:ViewLocator/>
     </Application.DataTemplates>
 
-    <Application.Styles>
-        <FluentTheme/>
-    </Application.Styles>
+	<Application.Styles>
+		<FluentTheme>
+			<FluentTheme.Palettes>
+				<ColorPaletteResources x:Key="Light" />
+				<ColorPaletteResources x:Key="Dark" />
+			</FluentTheme.Palettes>
+		</FluentTheme>
+
+		<Style Selector="TextBox[IsReadOnly=true]">
+			<Setter Property="Background" Value="{DynamicResource SystemChromeDisabledHighColor}" />
+			<Setter Property="CaretBrush" Value="{DynamicResource SystemControlTransparentBrush}" />
+			<Style Selector="^ /template/ Border#PART_BorderElement">
+				<Setter Property="Background" Value="{DynamicResource SystemChromeDisabledHighColor}" />
+			</Style>
+		</Style>
+		<Style Selector="Button">
+			<Setter Property="VerticalContentAlignment" Value="Center"/>
+			<Style Selector="^">
+				<Setter Property="Foreground" Value="{DynamicResource SystemChromeAltLowColor}" />
+			</Style>
+		</Style>
+		<Style Selector="ScrollBar">
+			<!-- It's called AutoHide, but this is really the mouseover shrink/expand. -->
+			<Setter Property="AllowAutoHide" Value="false"/>
+		</Style>
+	</Application.Styles>
 </Application>

Source/HangoverAvalonia/Controls/CheckedListBox.axaml

@@ -4,27 +4,16 @@
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 			 mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
              x:Class="HangoverAvalonia.Controls.CheckedListBox">
-	
-	<UserControl.Resources>
-		<RecyclePool x:Key="RecyclePool" />
-		<DataTemplate x:Key="queuedBook">
-			<CheckBox HorizontalAlignment="Stretch" Margin="10,0,0,0" Content="{Binding Item}" IsChecked="{Binding IsChecked, Mode=TwoWay}" />
-		</DataTemplate>
-		<RecyclingElementFactory x:Key="elementFactory" RecyclePool="{StaticResource RecyclePool}">
-			<RecyclingElementFactory.Templates>
-				<StaticResource x:Key="queuedBook" ResourceKey="queuedBook" />
-			</RecyclingElementFactory.Templates>
-		</RecyclingElementFactory>
-	</UserControl.Resources>
 
 	<ScrollViewer
-		Name="scroller"
 		HorizontalScrollBarVisibility="Disabled"
 		VerticalScrollBarVisibility="Auto">
-		<ItemsRepeater IsVisible="True"
-			VerticalCacheLength="1.2"
-			HorizontalCacheLength="1"
-			ItemsSource="{Binding CheckboxItems}"
-			ItemTemplate="{StaticResource elementFactory}" />
+		<ItemsControl ItemsSource="{Binding $parent[1].Items}">
+			<ItemsControl.ItemTemplate>
+				<DataTemplate>
+					<CheckBox HorizontalAlignment="Stretch" Margin="10,0,0,0" Content="{Binding Item}" IsChecked="{Binding IsChecked, Mode=TwoWay}" />
+				</DataTemplate>
+			</ItemsControl.ItemTemplate>
+		</ItemsControl>
 	</ScrollViewer>
 </UserControl>

Source/HangoverAvalonia/Controls/CheckedListBox.axaml.cs

@@ -2,103 +2,18 @@ using Avalonia;
 using Avalonia.Collections;
 using Avalonia.Controls;
 using HangoverAvalonia.ViewModels;
-using ReactiveUI;
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Linq;
 
-namespace HangoverAvalonia.Controls
+namespace HangoverAvalonia.Controls;
+
+public partial class CheckedListBox : UserControl
 {
-	public partial class CheckedListBox : UserControl
+	public static readonly StyledProperty<AvaloniaList<CheckBoxViewModel>> ItemsProperty =
+	AvaloniaProperty.Register<CheckedListBox, AvaloniaList<CheckBoxViewModel>>(nameof(Items));
+
+	public AvaloniaList<CheckBoxViewModel> Items { get => GetValue(ItemsProperty); set => SetValue(ItemsProperty, value); }
+
+	public CheckedListBox()
 	{
-		public event EventHandler<ItemCheckEventArgs> ItemCheck;
-
-		public static readonly StyledProperty<IEnumerable> ItemsProperty =
-		AvaloniaProperty.Register<CheckedListBox, IEnumerable>(nameof(Items));
-
-		public IEnumerable Items { get => GetValue(ItemsProperty); set => SetValue(ItemsProperty, value); }
-		private CheckedListBoxViewModel _viewModel = new();
-
-		public IEnumerable<object> CheckedItems =>
-			_viewModel
-			.CheckboxItems
-			.Where(i => i.IsChecked)
-			.Select(i => i.Item);
-
-		public void SetItemChecked(int i, bool isChecked) => _viewModel.CheckboxItems[i].IsChecked = isChecked;
-		public void SetItemChecked(object item, bool isChecked)
-		{
-			var obj = _viewModel.CheckboxItems.SingleOrDefault(i => i.Item == item);
-			if (obj is not null)
-				obj.IsChecked = isChecked;
-		}
-
-		public CheckedListBox()
-		{
-			InitializeComponent();
-			scroller.DataContext = _viewModel;
-			_viewModel.CheckedChanged += _viewModel_CheckedChanged;
-		}
-
-		private void _viewModel_CheckedChanged(object sender, CheckBoxViewModel e)
-		{
-			var args = new ItemCheckEventArgs { Item = e.Item, ItemIndex = _viewModel.CheckboxItems.IndexOf(e), IsChecked = e.IsChecked };
-			ItemCheck?.Invoke(this, args);
-		}
-
-		protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
-		{
-			if (change.Property.Name == nameof(Items) && Items != null)
-				_viewModel.SetItems(Items);
-			base.OnPropertyChanged(change);
-		}
-
-		public class CheckedListBoxViewModel : ViewModelBase
-		{
-			public event EventHandler<CheckBoxViewModel> CheckedChanged;
-			public AvaloniaList<CheckBoxViewModel> CheckboxItems { get; private set; }
-
-			public void SetItems(IEnumerable items)
-			{
-				UnsubscribeFromItems(CheckboxItems);
-				CheckboxItems = new(items.OfType<object>().Select(o => new CheckBoxViewModel { Item = o }));
-				SubscribeToItems(CheckboxItems);
-				this.RaisePropertyChanged(nameof(CheckboxItems));
-			}
-
-			private void SubscribeToItems(IEnumerable objects)
-			{
-				foreach (var i in objects.OfType<INotifyPropertyChanged>())
-					i.PropertyChanged += I_PropertyChanged;
-			}
-
-			private void UnsubscribeFromItems(AvaloniaList<CheckBoxViewModel> objects)
-			{
-				if (objects is null) return;
-
-				foreach (var i in objects)
-					i.PropertyChanged -= I_PropertyChanged;
-			}
-			private void I_PropertyChanged(object sender, PropertyChangedEventArgs e)
-			{
-				CheckedChanged?.Invoke(this, (CheckBoxViewModel)sender);
-			}
-		}
-		public class CheckBoxViewModel : ViewModelBase
-		{
-			private bool _isChecked;
-			public bool IsChecked { get => _isChecked; set => this.RaiseAndSetIfChanged(ref _isChecked, value); }
-			private object _bookText;
-			public object Item { get => _bookText; set => this.RaiseAndSetIfChanged(ref _bookText, value); }
-		}
-	}
-
-	public class ItemCheckEventArgs : EventArgs
-	{
-		public int ItemIndex { get; init; }
-		public bool IsChecked { get; init; }
-		public object Item { get; init; }
+		InitializeComponent();
 	}
 }

Source/HangoverAvalonia/HangoverAvalonia.csproj

@@ -71,13 +71,12 @@
 	</ItemGroup>
 	<ItemGroup>
 
-		<PackageReference Include="Avalonia" Version="11.2.8" />
-		<PackageReference Include="Avalonia.Desktop" Version="11.2.8" />
+		<PackageReference Include="Avalonia" Version="11.3.0" />
+		<PackageReference Include="Avalonia.Desktop" Version="11.3.0" />
 		<!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
-		<PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.2.8" />
-		<PackageReference Include="Avalonia.ReactiveUI" Version="11.2.8" />
-		<PackageReference Include="Avalonia.Controls.ItemsRepeater" Version="11.1.5" />
-		<PackageReference Include="Avalonia.Themes.Fluent" Version="11.2.8" />
+		<PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.3.0" />
+		<PackageReference Include="Avalonia.ReactiveUI" Version="11.3.0" />
+		<PackageReference Include="Avalonia.Themes.Fluent" Version="11.3.0" />
 	</ItemGroup>
 	<ItemGroup>
 		<ProjectReference Include="..\HangoverBase\HangoverBase.csproj" />

Source/HangoverAvalonia/ViewModels/CheckBoxViewModel.cs

@@ -0,0 +1,11 @@
+using ReactiveUI;
+
+namespace HangoverAvalonia.ViewModels;
+
+public class CheckBoxViewModel : ViewModelBase
+{
+	private bool _isChecked;
+	public bool IsChecked { get => _isChecked; set => this.RaiseAndSetIfChanged(ref _isChecked, value); }
+	private object _bookText;
+	public object Item { get => _bookText; set => this.RaiseAndSetIfChanged(ref _bookText, value); }
+}

Source/HangoverAvalonia/ViewModels/MainVM.Deleted.cs

@@ -1,41 +1,8 @@
-using ApplicationServices;
-using DataLayer;
-using ReactiveUI;
-using System.Collections.Generic;
+namespace HangoverAvalonia.ViewModels;
 
-namespace HangoverAvalonia.ViewModels
+public partial class MainVM
 {
-	public partial class MainVM
-	{
-		private List<LibraryBook> _deletedBooks;
-		public List<LibraryBook> DeletedBooks { get => _deletedBooks; set => this.RaiseAndSetIfChanged(ref _deletedBooks, value); }
-		public string CheckedCountText => $"Checked : {_checkedBooksCount} of {_totalBooksCount}";
+	public TrashBinViewModel TrashBinViewModel { get; } = new();
 
-		private int _totalBooksCount = 0;
-		private int _checkedBooksCount = 0;
-		public int CheckedBooksCount
-		{
-			get => _checkedBooksCount;
-			set
-			{
-				if (_checkedBooksCount != value)
-				{
-					_checkedBooksCount = value;
-					this.RaisePropertyChanged(nameof(CheckedCountText));
-				}
-			}
-		}
-		private void Load_deletedVM()
-		{
-			reload();
-		}
-
-		public void reload()
-		{
-			DeletedBooks = DbContexts.GetContext().GetDeletedLibraryBooks();
-			_checkedBooksCount = 0;
-			_totalBooksCount = DeletedBooks.Count;
-			this.RaisePropertyChanged(nameof(CheckedCountText));
-		}
-	}
+	private void Load_deletedVM() { }
 }

Source/HangoverAvalonia/ViewModels/TrashBinViewModel.cs

@@ -0,0 +1,117 @@
+using ApplicationServices;
+using Avalonia.Collections;
+using DataLayer;
+using ReactiveUI;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace HangoverAvalonia.ViewModels;
+
+public class TrashBinViewModel : ViewModelBase, IDisposable
+{
+	public AvaloniaList<CheckBoxViewModel> DeletedBooks { get; }
+	public string CheckedCountText => $"Checked : {_checkedBooksCount} of {_totalBooksCount}";
+
+	private bool _controlsEnabled = true;
+	public bool ControlsEnabled { get => _controlsEnabled; set => this.RaiseAndSetIfChanged(ref _controlsEnabled, value); }
+
+	private bool? everythingChecked = false;
+	public bool? EverythingChecked
+	{
+		get => everythingChecked;
+		set
+		{
+			everythingChecked = value ?? false;
+
+			if (everythingChecked is true)
+				CheckAll();
+			else if (everythingChecked is false)
+				UncheckAll();
+		}
+	}
+
+	private int _totalBooksCount = 0;
+	private int _checkedBooksCount = -1;
+	public int CheckedBooksCount
+	{
+		get => _checkedBooksCount;
+		set
+		{
+			_checkedBooksCount = value;
+			this.RaisePropertyChanged(nameof(CheckedCountText));
+
+			everythingChecked
+				= _checkedBooksCount == 0 || _totalBooksCount == 0 ? false
+				: _checkedBooksCount == _totalBooksCount ? true
+				: null;
+
+			this.RaisePropertyChanged(nameof(EverythingChecked));
+		}
+	}
+
+	public IEnumerable<LibraryBook> CheckedBooks => DeletedBooks.Where(i => i.IsChecked).Select(i => i.Item).Cast<LibraryBook>();
+
+	public TrashBinViewModel()
+	{
+		DeletedBooks = new()
+		{
+			ResetBehavior = ResetBehavior.Remove
+		};
+
+		tracker = DeletedBooks.TrackItemPropertyChanged(CheckboxPropertyChanged);
+		Reload();
+	}
+
+	public void CheckAll()
+	{
+		foreach (var item in DeletedBooks)
+			item.IsChecked = true;
+	}
+
+	public void UncheckAll()
+	{
+		foreach (var item in DeletedBooks)
+			item.IsChecked = false;
+	}
+
+	public async Task RestoreCheckedAsync()
+	{
+		ControlsEnabled = false;
+		var qtyChanges = await Task.Run(CheckedBooks.RestoreBooks);
+		if (qtyChanges > 0)
+			Reload();
+		ControlsEnabled = true;
+	}
+
+	public async Task PermanentlyDeleteCheckedAsync()
+	{
+		ControlsEnabled = false;
+		var qtyChanges = await Task.Run(CheckedBooks.PermanentlyDeleteBooks);
+		if (qtyChanges > 0)
+			Reload();
+		ControlsEnabled = true;
+	}
+
+	public void Reload()
+	{
+		var deletedBooks = DbContexts.GetContext().GetDeletedLibraryBooks();
+
+		DeletedBooks.Clear();
+		DeletedBooks.AddRange(deletedBooks.Select(lb => new CheckBoxViewModel { Item = lb }));
+
+		_totalBooksCount = DeletedBooks.Count;
+		CheckedBooksCount = 0;
+	}
+
+	private IDisposable tracker;
+	private void CheckboxPropertyChanged(Tuple<object, PropertyChangedEventArgs> e)
+	{
+		if (e.Item2.PropertyName == nameof(CheckBoxViewModel.IsChecked))
+			CheckedBooksCount = DeletedBooks.Count(b => b.IsChecked);
+	}
+
+	public void Dispose() => tracker?.Dispose();
+}

Source/HangoverAvalonia/Views/MainWindow.Deleted.cs

@@ -1,40 +1,12 @@
-using ApplicationServices;
-using DataLayer;
-using HangoverAvalonia.Controls;
-using System.Linq;
+namespace HangoverAvalonia.Views;
 
-namespace HangoverAvalonia.Views
+public partial class MainWindow
 {
-	public partial class MainWindow
+	private void deletedTab_VisibleChanged(bool isVisible)
 	{
-		private void deletedTab_VisibleChanged(bool isVisible)
-		{
-			if (!isVisible)
-				return;
+		if (!isVisible)
+			return;
 
-			if (_viewModel.DeletedBooks.Count == 0)
-				_viewModel.reload();
-		}
-		public void Deleted_CheckedListBox_ItemCheck(object sender, ItemCheckEventArgs args)
-		{
-			_viewModel.CheckedBooksCount = deletedCbl.CheckedItems.Count();
-		}
-		public void Deleted_CheckAll_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)
-		{
-			foreach (var item in deletedCbl.Items)
-				deletedCbl.SetItemChecked(item, true);
-		}
-		public void Deleted_UncheckAll_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)
-		{
-			foreach (var item in deletedCbl.Items)
-				deletedCbl.SetItemChecked(item, false);
-		}
-		public void Deleted_Save_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)
-		{
-			var libraryBooksToRestore = deletedCbl.CheckedItems.Cast<LibraryBook>().ToList();
-			var qtyChanges = libraryBooksToRestore.RestoreBooks();
-			if (qtyChanges > 0)
-				_viewModel.reload();
-		}
+		_viewModel.TrashBinViewModel.Reload();
 	}
 }

Source/HangoverAvalonia/Views/MainWindow.axaml

@@ -15,13 +15,11 @@
 
 	<TabControl Name="tabControl1" Grid.Row="0">
 		<TabControl.Styles>
-			<Style Selector="ItemsPresenter#PART_ItemsPresenter">
-				<Setter Property="Height" Value="23"/>
+			<Style Selector="TabControl /template/ ItemsPresenter#PART_ItemsPresenter">
+				<Setter Property="Height" Value="33"/>
 			</Style>
-			<Style Selector="TabItem">
-				<Setter Property="MinHeight" Value="40"/>
-				<Setter Property="Height" Value="40"/>
-				<Setter Property="Padding" Value="8,2,8,5"/>
+			<Style Selector="TabItem /template/ Border#PART_LayoutRoot">
+				<Setter Property="Height" Value="33"/>
 			</Style>
 			<Style Selector="TabItem#Header TextBlock">
 				<Setter Property="MinHeight" Value="5"/>
@@ -51,6 +49,7 @@
 				
 				<TextBox
 					Margin="0,5,0,5"
+					AcceptsReturn="True"
 					Grid.Row="2" Text="{Binding SqlQuery, Mode=OneWayToSource}" />
 				
 				<Button
@@ -73,33 +72,58 @@
 			<TabItem.Header>
 				<TextBlock FontSize="14" VerticalAlignment="Center">Deleted Books</TextBlock>
 			</TabItem.Header>
-
 			<Grid
+				DataContext="{Binding TrashBinViewModel}"
 				RowDefinitions="Auto,*,Auto">
 
 				<TextBlock
 					Grid.Row="0"
 					Margin="5"
-					Text="To restore deleted book, check box and save" />
+					Text="Check books you want to permanently delete from or restore to Libation" />
 
 				<controls:CheckedListBox
 					Grid.Row="1"
 					Margin="5,0,5,0"
 					BorderThickness="1"
 					BorderBrush="Gray"
-					Name="deletedCbl"
+					IsEnabled="{Binding	ControlsEnabled}"
 					Items="{Binding DeletedBooks}" />
 
 				<Grid
 					Grid.Row="2"
 					Margin="5"
-					ColumnDefinitions="Auto,Auto,Auto,*">
+					ColumnDefinitions="Auto,Auto,*,Auto">
 
-					<Button Grid.Column="0" Margin="0,0,20,0" Content="Check All" Click="Deleted_CheckAll_Click" />
-					<Button Grid.Column="1" Margin="0,0,20,0" Content="Uncheck All" Click="Deleted_UncheckAll_Click" />
-					<TextBlock Grid.Column="2" VerticalAlignment="Center" Text="{Binding CheckedCountText}" />
-					<Button Grid.Column="3" HorizontalAlignment="Right" Content="Save" Click="Deleted_Save_Click" />
+					<CheckBox
+						IsEnabled="{Binding	ControlsEnabled}"
+						IsThreeState="True"
+						Margin="0,0,20,0"
+						IsChecked="{Binding EverythingChecked}"
+						Content="Everything" />
 
+					<TextBlock
+						Grid.Column="1"
+						VerticalAlignment="Center"
+						Text="{Binding CheckedCountText}" />
+
+					<Button
+						IsEnabled="{Binding	ControlsEnabled}"
+						Grid.Column="2"
+						Margin="0,0,20,0"
+						HorizontalAlignment="Right"
+						VerticalAlignment="Stretch"
+						VerticalContentAlignment="Center"
+						Content="Restore"
+						Command="{Binding RestoreCheckedAsync}"/>
+
+					<Button
+						IsEnabled="{Binding	ControlsEnabled}"
+						Grid.Column="3"
+						Command="{Binding PermanentlyDeleteCheckedAsync}" >
+						<TextBlock
+							TextAlignment="Center"
+							Text="Permanently Delete&#xa;from Libation" />
+					</Button>
 				</Grid>
 			</Grid>
 		</TabItem>

Source/HangoverAvalonia/Views/MainWindow.axaml.cs

@@ -18,7 +18,6 @@ namespace HangoverAvalonia.Views
 
 		public void OnLoad()
 		{
-			deletedCbl.ItemCheck += Deleted_CheckedListBox_ItemCheck;
 			databaseTab.PropertyChanged += (_, e) => { if (e.Property.Name == nameof(TabItem.IsSelected)) databaseTab_VisibleChanged(databaseTab.IsSelected); };
 			deletedTab.PropertyChanged += (_, e) => { if (e.Property.Name == nameof(TabItem.IsSelected)) deletedTab_VisibleChanged(deletedTab.IsSelected); };
 			cliTab.PropertyChanged += (_, e) => { if (e.Property.Name == nameof(TabItem.IsSelected)) cliTab_VisibleChanged(cliTab.IsSelected); };

Source/LibationAvalonia/Controls/CheckedListBox.axaml

@@ -5,26 +5,15 @@
 			 mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
              x:Class="LibationAvalonia.Controls.CheckedListBox">
 	
-	<UserControl.Resources>
-		<RecyclePool x:Key="RecyclePool" />
-		<DataTemplate x:Key="queuedBook">
-			<CheckBox HorizontalAlignment="Stretch" Margin="10,0,0,0" Content="{Binding Item}" IsChecked="{Binding IsChecked, Mode=TwoWay}" />
-		</DataTemplate>
-		<RecyclingElementFactory x:Key="elementFactory" RecyclePool="{StaticResource RecyclePool}">
-			<RecyclingElementFactory.Templates>
-				<StaticResource x:Key="queuedBook" ResourceKey="queuedBook" />
-			</RecyclingElementFactory.Templates>
-		</RecyclingElementFactory>
-	</UserControl.Resources>
-
 	<ScrollViewer
-		Name="scroller"
 		HorizontalScrollBarVisibility="Disabled"
 		VerticalScrollBarVisibility="Auto">
-		<ItemsRepeater IsVisible="True"
-			VerticalCacheLength="1.2"
-			HorizontalCacheLength="1"
-			ItemsSource="{Binding CheckboxItems}"
-			ItemTemplate="{StaticResource elementFactory}" />
+		<ItemsControl ItemsSource="{Binding $parent[1].Items}">
+			<ItemsControl.ItemTemplate>
+				<DataTemplate>
+					<CheckBox HorizontalAlignment="Stretch" Margin="10,0,0,0" Content="{Binding Item}" IsChecked="{Binding IsChecked, Mode=TwoWay}" />
+				</DataTemplate>
+			</ItemsControl.ItemTemplate>
+		</ItemsControl>
 	</ScrollViewer>
 </UserControl>

Source/LibationAvalonia/Controls/CheckedListBox.axaml.cs

@@ -12,24 +12,10 @@ namespace LibationAvalonia.Controls
 		AvaloniaProperty.Register<CheckedListBox, AvaloniaList<CheckBoxViewModel>>(nameof(Items));
 
 		public AvaloniaList<CheckBoxViewModel> Items { get => GetValue(ItemsProperty); set => SetValue(ItemsProperty, value); }
-		private CheckedListBoxViewModel _viewModel = new();
 
 		public CheckedListBox()
 		{
 			InitializeComponent();
-			scroller.DataContext = _viewModel;
-		}
-		protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
-		{
-			if (change.Property.Name == nameof(Items) && Items != null)
-				_viewModel.CheckboxItems = Items;
-			base.OnPropertyChanged(change);
-		}
-
-		private class CheckedListBoxViewModel : ViewModelBase
-		{
-			private AvaloniaList<CheckBoxViewModel> _checkboxItems;
-			public AvaloniaList<CheckBoxViewModel> CheckboxItems { get => _checkboxItems; set => this.RaiseAndSetIfChanged(ref _checkboxItems, value); }
 		}
 	}
 

Source/LibationAvalonia/Controls/Settings/Audio.axaml.cs

@@ -31,10 +31,29 @@ namespace LibationAvalonia.Controls.Settings
 				if (!accounts.AccountsSettings.Accounts.Any(a => a.IdentityTokens.DeviceType == AudibleApi.Resources.DeviceType))
 				{
 					if (VisualRoot is Window parent)
-						await MessageBox.Show(parent,
-						"Your must remove account(s) from Libation and then re-add them to enable widwvine content.",
+					{
+						var choice = await MessageBox.Show(parent,
+						"In order to enable widevine content, Libation will need to log into your accounts again.\r\n\r\n" +
+						"Do you want Libation to clear your current account settings and prompt you to login before the next download?",
 						"Widevine Content Unavailable",
-						MessageBoxButtons.OK);
+						MessageBoxButtons.YesNo,
+						MessageBoxIcon.Question,
+						MessageBoxDefaultButton.Button2);
+
+						if (choice == DialogResult.Yes)
+						{
+							foreach (var account in accounts.AccountsSettings.Accounts.ToArray())
+							{
+								if (account.IdentityTokens.DeviceType != AudibleApi.Resources.DeviceType)
+								{
+									accounts.AccountsSettings.Delete(account);
+									var acc = accounts.AccountsSettings.Upsert(account.AccountId, account.Locale.Name);
+									acc.AccountName = account.AccountName;
+								}
+							}
+							return;
+						}
+					}
 
 					_viewModel.UseWidevine = false;
 				}

Source/LibationAvalonia/Dialogs/Login/AvaloniaLoginChoiceEager.cs

@@ -9,10 +9,6 @@ namespace LibationAvalonia.Dialogs.Login
 {
 	public class AvaloniaLoginChoiceEager : ILoginChoiceEager
 	{
-		/// <summary>Convenience method. Recommended when wiring up Winforms to <see cref="ApplicationServices.LibraryCommands.ImportAccountAsync"/></summary>
-		public static async Task<ApiExtended> ApiExtendedFunc(Account account)
-			=> await ApiExtended.CreateAsync(account, new AvaloniaLoginChoiceEager(account));
-
 		public ILoginCallback LoginCallback { get; }
 
 		private readonly Account _account;

Source/LibationAvalonia/Dialogs/MessageBoxWindow.axaml

@@ -14,11 +14,11 @@
 			<StackPanel DockPanel.Dock="Top" Orientation="Horizontal"
 				VerticalAlignment="Top">
 			
-				<Panel Grid.Column="0" Margin="5,0,5,0" VerticalAlignment="Top">				
-					<Image IsVisible="{Binding IsAsterisk}" Stretch="None" Source="/Assets/MBIcons/Asterisk.png"/>
-					<Image IsVisible="{Binding IsError}" Stretch="None" Source="/Assets/MBIcons/error.png"/>
-					<Image IsVisible="{Binding IsQuestion}" Stretch="None" Source="/Assets/MBIcons/Question.png"/>
-					<Image IsVisible="{Binding IsExclamation}" Stretch="None" Source="/Assets/MBIcons/Exclamation.png"/>
+				<Panel Height="32" Width="32" Grid.Column="0" Margin="5,0,5,0" VerticalAlignment="Top">				
+					<Image IsVisible="{Binding IsAsterisk}" Stretch="Uniform" Source="/Assets/MBIcons/Asterisk_64.png"/>
+					<Image IsVisible="{Binding IsError}" Stretch="Uniform" Source="/Assets/MBIcons/Error_64.png"/>
+					<Image IsVisible="{Binding IsQuestion}" Stretch="Uniform" Source="/Assets/MBIcons/Question_64.png"/>
+					<Image IsVisible="{Binding IsExclamation}" Stretch="Uniform" Source="/Assets/MBIcons/Exclamation_64.png"/>
 				</Panel>
 			
 				<TextBlock Margin="5,0,0,0" Name="messageTextBlock" MinHeight="45" MinWidth="193" TextWrapping="WrapWithOverflow" HorizontalAlignment="Left" VerticalAlignment="Top" FontSize="12" Text="{Binding Message}" />

Source/LibationAvalonia/LibationAvalonia.csproj

@@ -41,10 +41,10 @@
 		<None Remove="Assets\img-coverart-prod-unavailable_500x500.jpg" />
 		<None Remove="Assets\img-coverart-prod-unavailable_80x80.jpg" />
 		<None Remove="Assets\1x1.png" />
-		<None Remove="Assets\MBIcons\Asterisk.png" />
-		<None Remove="Assets\MBIcons\error.png" />
-		<None Remove="Assets\MBIcons\Exclamation.png" />
-		<None Remove="Assets\MBIcons\Question.png" />
+		<None Remove="Assets\MBIcons\Asterisk_64.png" />
+		<None Remove="Assets\MBIcons\Error_64.png" />
+		<None Remove="Assets\MBIcons\Exclamation_64.png" />
+		<None Remove="Assets\MBIcons\Question_64.png" />
 	</ItemGroup>
 
 	<ItemGroup>
@@ -73,14 +73,13 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Avalonia.Controls.ColorPicker" Version="11.2.8" />
-		<PackageReference Include="Avalonia.Diagnostics" Version="11.2.8" Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'" />
-		<PackageReference Include="Avalonia" Version="11.2.8" />
-		<PackageReference Include="Avalonia.Controls.DataGrid" Version="11.2.8" />
-		<PackageReference Include="Avalonia.Controls.ItemsRepeater" Version="11.1.5" />
-		<PackageReference Include="Avalonia.Desktop" Version="11.2.8" />
-		<PackageReference Include="Avalonia.ReactiveUI" Version="11.2.8" />
-		<PackageReference Include="Avalonia.Themes.Fluent" Version="11.2.8" />
+		<PackageReference Include="Avalonia.Controls.ColorPicker" Version="11.3.0" />
+		<PackageReference Include="Avalonia.Diagnostics" Version="11.3.0" Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'" />
+		<PackageReference Include="Avalonia" Version="11.3.0" />
+		<PackageReference Include="Avalonia.Controls.DataGrid" Version="11.3.0" />
+		<PackageReference Include="Avalonia.Desktop" Version="11.3.0" />
+		<PackageReference Include="Avalonia.ReactiveUI" Version="11.3.0" />
+		<PackageReference Include="Avalonia.Themes.Fluent" Version="11.3.0" />
 	</ItemGroup>
 
 	<ItemGroup>

Source/LibationAvalonia/ViewModels/MainVM.Import.cs

@@ -201,7 +201,7 @@ namespace LibationAvalonia.ViewModels
 		{
 			try
 			{
-				var (totalProcessed, newAdded) = await LibraryCommands.ImportAccountAsync(LibationAvalonia.Dialogs.Login.AvaloniaLoginChoiceEager.ApiExtendedFunc, accounts);
+				var (totalProcessed, newAdded) = await LibraryCommands.ImportAccountAsync(accounts);
 
 				// this is here instead of ScanEnd so that the following is only possible when it's user-initiated, not automatic loop
 				if (Configuration.Instance.ShowImportedStats && newAdded > 0)

Source/LibationAvalonia/ViewModels/MainVM.ProcessQueue.cs

@@ -40,6 +40,12 @@ namespace LibationAvalonia.ViewModels
 				if (libraryBooks.Length == 1)
 				{
 					var item = libraryBooks[0];
+
+					//Remove this item from the queue if it's already present and completed.
+					//Only do this when adding a single book at a time to prevent accidental
+					//extra downloads when queueing in batches.
+					ProcessQueue.RemoveCompleted(item);
+
 					if (item.Book.UserDefinedItem.BookStatus is LiberatedStatus.NotLiberated or LiberatedStatus.PartialDownload)
 					{
 						Serilog.Log.Logger.Information("Begin single book backup of {libraryBook}", item);

Source/LibationAvalonia/ViewModels/MainVM.ScanAuto.cs

@@ -27,7 +27,7 @@ namespace LibationAvalonia.ViewModels
 				// in autoScan, new books SHALL NOT show dialog
 				try
 				{
-					await LibraryCommands.ImportAccountAsync(LibationAvalonia.Dialogs.Login.AvaloniaLoginChoiceEager.ApiExtendedFunc, accounts);
+					await LibraryCommands.ImportAccountAsync(accounts);
 				}
 				catch (OperationCanceledException)
 				{

Source/LibationAvalonia/ViewModels/ProcessQueueViewModel.cs

@@ -130,6 +130,11 @@ namespace LibationAvalonia.ViewModels
 				return true;
 		}
 
+		public bool RemoveCompleted(LibraryBook libraryBook)
+			=> Queue.FirstOrDefault(b => b?.LibraryBook?.Book?.AudibleProductId == libraryBook.Book.AudibleProductId) is ProcessBookViewModel entry
+			&& entry.Status is ProcessBookStatus.Completed
+			&& Queue.RemoveCompleted(entry);
+
 		public void AddDownloadPdf(LibraryBook libraryBook)
 			=> AddDownloadPdf(new List<LibraryBook>() { libraryBook });
 

Source/LibationAvalonia/ViewModels/ProductsDisplayViewModel.cs

@@ -431,7 +431,7 @@ namespace LibationAvalonia.ViewModels
 					.Select(lbe => lbe.LibraryBook)
 					.Where(lb => !lb.Book.HasLiberated());
 
-				var removedBooks = await LibraryCommands.FindInactiveBooks(AvaloniaLoginChoiceEager.ApiExtendedFunc, lib, accounts);
+				var removedBooks = await LibraryCommands.FindInactiveBooks(lib, accounts);
 
 				var removable = allBooks.Where(lbe => removedBooks.Any(rb => rb.Book.AudibleProductId == lbe.AudibleProductId)).ToList();
 

Source/LibationAvalonia/Views/MainWindow.axaml.cs

@@ -21,6 +21,7 @@ namespace LibationAvalonia.Views
 		public MainWindow()
 		{
 			DataContext = new MainVM(this);
+			ApiExtended.LoginChoiceFactory = account => new Dialogs.Login.AvaloniaLoginChoiceEager(account);
 
 			AudibleApiStorage.LoadError += AudibleApiStorage_LoadError;
 			InitializeComponent();

Source/LibationAvalonia/Views/ProcessQueueControl.axaml

@@ -9,24 +9,16 @@
 	mc:Ignorable="d" d:DesignWidth="400" d:DesignHeight="650"
 	Background="{DynamicResource SystemRegionColor}"
 	x:Class="LibationAvalonia.Views.ProcessQueueControl">
-
 	<UserControl.Resources>
 		<views:DecimalConverter x:Key="myConverter" />
-		<RecyclePool x:Key="RecyclePool" />
-		<DataTemplate x:Key="queuedBook">
-			<views:ProcessBookControl />
-		</DataTemplate>
-		<RecyclingElementFactory x:Key="elementFactory" RecyclePool="{StaticResource RecyclePool}">
-			<RecyclingElementFactory.Templates>
-				<StaticResource x:Key="queuedBook" ResourceKey="queuedBook" />
-			</RecyclingElementFactory.Templates>
-		</RecyclingElementFactory>
 	</UserControl.Resources>
-
 	<Grid RowDefinitions="*,Auto">
 		<TabControl Grid.Row="0">
 			<TabControl.Styles>
-				<Style Selector="ItemsPresenter#PART_ItemsPresenter">
+				<Style Selector="TabControl /template/ ItemsPresenter#PART_ItemsPresenter">
+					<Setter Property="Height" Value="33"/>
+				</Style>
+				<Style Selector="TabItem /template/ Border#PART_LayoutRoot">
 					<Setter Property="Height" Value="33"/>
 				</Style>
 			</TabControl.Styles>
@@ -42,14 +34,13 @@
 							HorizontalScrollBarVisibility="Disabled"
 							VerticalScrollBarVisibility="Auto"
 							AllowAutoHide="False">
-							<ItemsRepeater IsVisible="True"
-								Grid.Column="0"
-								Name="repeater"
-								VerticalCacheLength="1.2"
-								HorizontalCacheLength="1"
-								Background="Transparent"
-								ItemsSource="{Binding Items}"
-								ItemTemplate="{StaticResource elementFactory}" />
+							<ItemsControl ItemsSource="{Binding Items}">
+								<ItemsControl.ItemTemplate>
+									<DataTemplate>
+										<views:ProcessBookControl DataContext="{Binding}" />
+									</DataTemplate>
+								</ItemsControl.ItemTemplate>
+							</ItemsControl>
 						</ScrollViewer>
 					</Border>
 					<Grid Grid.Column="0" Grid.Row="1" ColumnDefinitions="*,Auto,Auto">

Source/LibationCli/Options/ScanOptions.cs

@@ -32,7 +32,7 @@ namespace LibationCli
 				: $"Scanning Audible library: {_accounts.Length} accounts. This may take a few minutes per account.";
 			Console.WriteLine(intro);
 
-			var (TotalBooksProcessed, NewBooksAdded) = await LibraryCommands.ImportAccountAsync((a) => ApiExtended.CreateAsync(a), _accounts);
+			var (TotalBooksProcessed, NewBooksAdded) = await LibraryCommands.ImportAccountAsync(_accounts);
 
 			Console.WriteLine("Scan complete.");
 			Console.WriteLine($"Total processed: {TotalBooksProcessed}");

Source/LibationFileManager/Configuration.PersistentSettings.cs

@@ -257,7 +257,7 @@ namespace LibationFileManager
 		}
 
 		[Description("Use widevine DRM")]
-		public bool UseWidevine { get => GetNonString(defaultValue: true); set => SetNonString(value); }
+		public bool UseWidevine { get => GetNonString(defaultValue: false); set => SetNonString(value); }
 
 		[Description("Request Spatial Audio")]
 		public bool RequestSpatial { get => GetNonString(defaultValue: true); set => SetNonString(value); }

Source/LibationFileManager/Templates/ContributorDto.cs

@@ -24,10 +24,12 @@ public class ContributorDto : IFormattable
 
 		//Single-word names parse as first names. Use it as last name.
 		var lastName = string.IsNullOrWhiteSpace(HumanName.Last) ? HumanName.First : HumanName.Last;
+  		//Because of the above, if the have only a first name, then we'd double the name as "FirstName FirstName", so clear the first name in that situation.
+  		var firstName = string.IsNullOrWhiteSpace(HumanName.Last) ? HumanName.Last : HumanName.First;
 
 		return format
 			.Replace("{T}", HumanName.Title)
-			.Replace("{F}", HumanName.First)
+			.Replace("{F}", firstName)
 			.Replace("{M}", HumanName.Middle)
 			.Replace("{L}", lastName)
 			.Replace("{S}", HumanName.Suffix)

Source/LibationUiBase/LibationContributor.cs

@@ -41,7 +41,8 @@ public class LibationContributor
 			GitHubUser("muchtall"),
 			GitHubUser("ScubyG"),
 			GitHubUser("patienttruth"),
-			GitHubUser("stickystyle")
+			GitHubUser("stickystyle"),
+			GitHubUser("cherez"),
 		]);
 
 	private LibationContributor(string name, LibationContributorType type,Uri link)

Source/LibationWinForms/Dialogs/Login/WinformLoginChoiceEager.cs

@@ -9,17 +9,11 @@ namespace LibationWinForms.Login
 {
 	public class WinformLoginChoiceEager : WinformLoginBase, ILoginChoiceEager
 	{
-		/// <summary>Convenience method. Recommended when wiring up Winforms to <see cref="ApplicationServices.LibraryCommands.ImportAccountAsync"/></summary>
-		public static Func<Account, Task<ApiExtended>> CreateApiExtendedFunc(IWin32Window owner) => a => ApiExtendedFunc(a, owner);
-
-		private static async Task<ApiExtended> ApiExtendedFunc(Account account, IWin32Window owner)
-			=> await ApiExtended.CreateAsync(account, new WinformLoginChoiceEager(account, owner));
-
 		public ILoginCallback LoginCallback { get; private set; }
 
 		private Account _account { get; }
 
-		private WinformLoginChoiceEager(Account account, IWin32Window owner) : base(owner)
+		public WinformLoginChoiceEager(Account account, IWin32Window owner) : base(owner)
 		{
 			_account = Dinah.Core.ArgumentValidator.EnsureNotNull(account, nameof(account));
 			LoginCallback = new WinformLoginCallback(_account, owner);

Source/LibationWinForms/Dialogs/MessageBoxAlertAdminDialog.cs

@@ -30,7 +30,8 @@ namespace LibationWinForms.Dialogs
 				return;
 
 			System.Media.SystemSounds.Hand.Play();
-			pictureBox1.Image = SystemIcons.Error.ToBitmap();
+			//This is a different (and newer) icon from SystemIcons.Error
+			pictureBox1.Image = SystemIcons.GetStockIcon(StockIconId.Error).ToBitmap();
 		}
 
 		private void githubLink_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)

Source/LibationWinForms/Dialogs/SettingsDialog.AudioSettings.cs

@@ -206,10 +206,28 @@ namespace LibationWinForms.Dialogs
 
 				if (!accounts.AccountsSettings.Accounts.Any(a => a.IdentityTokens.DeviceType == AudibleApi.Resources.DeviceType))
 				{
-					MessageBox.Show(this,
-						"Your must remove account(s) from Libation and then re-add them to enable widwvine content.",
+					var choice = MessageBox.Show(this,
+						"In order to enable widevine content, Libation will need to log into your accounts again.\r\n\r\n" +
+						"Do you want Libation to clear your current account settings and prompt you to login before the next download?",
 						"Widevine Content Unavailable",
-						MessageBoxButtons.OK);
+						MessageBoxButtons.YesNo,
+						MessageBoxIcon.Question,
+						MessageBoxDefaultButton.Button2);
+
+					if (choice == DialogResult.Yes)
+					{
+						foreach (var account in accounts.AccountsSettings.Accounts.ToArray())
+						{
+							if (account.IdentityTokens.DeviceType != AudibleApi.Resources.DeviceType)
+							{
+								accounts.AccountsSettings.Delete(account);
+								var acc = accounts.AccountsSettings.Upsert(account.AccountId, account.Locale.Name);
+								acc.AccountName = account.AccountName;
+							}
+						}
+
+						return;
+					}
 
 					useWidevineCbox.Checked = false;
 					return;

Source/LibationWinForms/Form1.ProcessQueue.cs

@@ -30,6 +30,12 @@ namespace LibationWinForms
 				if (libraryBooks.Length == 1)
 				{
 					var item = libraryBooks[0];
+
+					//Remove this item from the queue if it's already present and completed.
+					//Only do this when adding a single book at a time to prevent accidental
+					//extra downloads when queueing in batches.
+					processBookQueue1.RemoveCompleted(item);
+
 					if (item.Book.UserDefinedItem.BookStatus is LiberatedStatus.NotLiberated or LiberatedStatus.PartialDownload)
 					{
 						Serilog.Log.Logger.Information("Begin single book backup of {libraryBook}", item);

Source/LibationWinForms/Form1.ScanAuto.cs

@@ -32,7 +32,7 @@ namespace LibationWinForms
 				// in autoScan, new books SHALL NOT show dialog
 				try
 				{
-					Task importAsync() => LibraryCommands.ImportAccountAsync(Login.WinformLoginChoiceEager.CreateApiExtendedFunc(this), accounts);
+					Task importAsync() => LibraryCommands.ImportAccountAsync(accounts);
 					if (InvokeRequired)
 						await Invoke(importAsync);
 					else

Source/LibationWinForms/Form1.ScanManual.cs

@@ -74,7 +74,7 @@ namespace LibationWinForms
 		{
 			try
 			{
-				var (totalProcessed, newAdded) = await LibraryCommands.ImportAccountAsync(Login.WinformLoginChoiceEager.CreateApiExtendedFunc(this), accounts);
+				var (totalProcessed, newAdded) = await LibraryCommands.ImportAccountAsync(accounts);
 
 				// this is here instead of ScanEnd so that the following is only possible when it's user-initiated, not automatic loop
 				if (Configuration.Instance.ShowImportedStats && newAdded > 0)

Source/LibationWinForms/Form1.cs

@@ -4,8 +4,11 @@ using System.Linq;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 using ApplicationServices;
+using AudibleUtilities;
 using DataLayer;
 using LibationFileManager;
+using LibationWinForms.Login;
+using Octokit;
 
 namespace LibationWinForms
 {
@@ -56,6 +59,7 @@ namespace LibationWinForms
 					=> Invoke(() => productsDisplay.DisplayAsync(fullLibrary));
 			}
 			Shown += Form1_Shown;
+			ApiExtended.LoginChoiceFactory = account => new WinformLoginChoiceEager(account, this);
 		}
 
 		private void Form1_FormClosing(object sender, FormClosingEventArgs e)

Source/LibationWinForms/GridView/ProductsDisplay.cs

@@ -351,7 +351,7 @@ namespace LibationWinForms.GridView
 					.Select(lbe => lbe.LibraryBook)
 					.Where(lb => !lb.Book.HasLiberated());
 
-				var removedBooks = await LibraryCommands.FindInactiveBooks(Login.WinformLoginChoiceEager.CreateApiExtendedFunc(this), lib, accounts);
+				var removedBooks = await LibraryCommands.FindInactiveBooks(lib, accounts);
 
 				var removable = allBooks.Where(lbe => removedBooks.Any(rb => rb.Book.AudibleProductId == lbe.AudibleProductId)).ToList();
 

Source/LibationWinForms/ProcessQueue/ProcessQueueControl.cs

@@ -92,6 +92,11 @@ namespace LibationWinForms.ProcessQueue
 				return true;
 		}
 
+		public bool RemoveCompleted(DataLayer.LibraryBook libraryBook)
+			=> Queue.FirstOrDefault(b => b?.LibraryBook?.Book?.AudibleProductId == libraryBook.Book.AudibleProductId) is ProcessBook entry
+			&& entry.Status is ProcessBookStatus.Completed
+			&& Queue.RemoveCompleted(entry);
+
 		public void AddDownloadPdf(DataLayer.LibraryBook libraryBook)
 			=> AddDownloadPdf(new List<DataLayer.LibraryBook>() { libraryBook });
 

Source/LoadByOS/WindowsConfigApp/WindowsConfigApp.csproj

@@ -26,7 +26,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Web.WebView2" Version="1.0.3179.45" />
+    <PackageReference Include="Microsoft.Web.WebView2" Version="1.0.3240.44" />
   </ItemGroup>
 
   <ItemGroup>

Source/_Tests/LibationFileManager.Tests/TemplatesTests.cs

@@ -284,7 +284,7 @@ namespace TemplatesTests
 		[DataRow("Carla Naumburg PhD", "Title=, First=Carla, Middle= Last=Naumburg, Suffix=PhD")]
 		[DataRow("Doug Stanhope and Friends", "Title=, First=Doug, Middle= Last=Stanhope and Friends, Suffix=")]
 		[DataRow("Tamara Lovatt-Smith", "Title=, First=Tamara, Middle= Last=Lovatt-Smith, Suffix=")]
-		[DataRow("Common", "Title=, First=Common, Middle= Last=Common, Suffix=")]
+		[DataRow("Common", "Title=, First=, Middle= Last=Common, Suffix=")]
 		[DataRow("Doug Tisdale Jr.", "Title=, First=Doug, Middle= Last=Tisdale, Suffix=Jr")]
 		[DataRow("Robert S. Mueller III", "Title=, First=Robert, Middle=S. Last=Mueller, Suffix=III")]
 		[DataRow("Frank T Vertosick Jr. MD", "Title=, First=Frank, Middle=T Last=Vertosick, Suffix=Jr. MD")]