108 lines
3.4 KiB
C#
108 lines
3.4 KiB
C#
using System;
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using DataLayer;
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using Dinah.Core.Net.Http;
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using Dinah.Core.Threading;
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using LibationWinForms.BookLiberation.BaseForms;
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namespace LibationWinForms.BookLiberation
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{
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public partial class AudioDecodeForm : LiberationBaseForm
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{
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public virtual string DecodeActionName { get; } = "Decoding";
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public AudioDecodeForm() => InitializeComponent();
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private Func<byte[]> GetCoverArtDelegate;
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// book info
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private string title;
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private string authorNames;
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private string narratorNames;
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#region IProcessable event handler overrides
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public override void OnBegin(object sender, LibraryBook libraryBook)
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{
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base.OnBegin(sender, libraryBook);
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GetCoverArtDelegate = () => FileManager.PictureStorage.GetPictureSynchronously(
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new FileManager.PictureDefinition(
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libraryBook.Book.PictureId,
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FileManager.PictureSize._500x500));
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//Set default values from library
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OnTitleDiscovered(sender, libraryBook.Book.Title);
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OnAuthorsDiscovered(sender, string.Join(", ", libraryBook.Book.Authors));
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OnNarratorsDiscovered(sender, string.Join(", ", libraryBook.Book.NarratorNames));
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OnCoverImageDiscovered(sender,
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FileManager.PictureStorage.GetPicture(
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new FileManager.PictureDefinition(
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libraryBook.Book.PictureId,
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FileManager.PictureSize._80x80)).bytes);
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}
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#endregion
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#region IStreamable event handler overrides
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public override void OnStreamingProgressChanged(object sender, DownloadProgress downloadProgress)
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{
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base.OnStreamingProgressChanged(sender, downloadProgress);
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if (!downloadProgress.ProgressPercentage.HasValue)
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return;
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if (downloadProgress.ProgressPercentage == 0)
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updateRemainingTime(0);
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else
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progressBar1.UIThreadAsync(() => progressBar1.Value = (int)downloadProgress.ProgressPercentage);
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}
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public override void OnStreamingTimeRemaining(object sender, TimeSpan timeRemaining)
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{
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base.OnStreamingTimeRemaining(sender, timeRemaining);
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updateRemainingTime((int)timeRemaining.TotalSeconds);
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}
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#endregion
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#region IAudioDecodable event handlers
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public override void OnRequestCoverArt(object sender, Action<byte[]> setCoverArtDelegate)
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{
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base.OnRequestCoverArt(sender, setCoverArtDelegate);
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setCoverArtDelegate(GetCoverArtDelegate?.Invoke());
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}
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public override void OnTitleDiscovered(object sender, string title)
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{
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base.OnTitleDiscovered(sender, title);
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this.UIThreadAsync(() => this.Text = DecodeActionName + " " + title);
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this.title = title;
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updateBookInfo();
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}
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public override void OnAuthorsDiscovered(object sender, string authors)
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{
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base.OnAuthorsDiscovered(sender, authors);
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authorNames = authors;
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updateBookInfo();
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}
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public override void OnNarratorsDiscovered(object sender, string narrators)
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{
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base.OnNarratorsDiscovered(sender, narrators);
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narratorNames = narrators;
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updateBookInfo();
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}
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public override void OnCoverImageDiscovered(object sender, byte[] coverArt)
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{
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base.OnCoverImageDiscovered(sender, coverArt);
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pictureBox1.UIThreadAsync(() => pictureBox1.Image = Dinah.Core.Drawing.ImageReader.ToImage(coverArt));
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}
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#endregion
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// thread-safe UI updates
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private void updateBookInfo()
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=> bookInfoLbl.UIThreadAsync(() => bookInfoLbl.Text = $"{title}\r\nBy {authorNames}\r\nNarrated by {narratorNames}");
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private void updateRemainingTime(int remaining)
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=> remainingTimeLbl.UIThreadAsync(() => remainingTimeLbl.Text = $"ETA:\r\n{remaining} sec");
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}
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}
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