55 lines
1.8 KiB
C#
55 lines
1.8 KiB
C#
using DataLayer;
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using Dinah.Core.Windows.Forms;
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using FileLiberator;
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using System;
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namespace LibationWinForms.BookLiberation
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{
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public class ProcessBaseForm : StreamBaseForm
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{
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protected LogMe LogMe { get; private set; }
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public virtual void SetProcessable(IStreamable streamable, LogMe logMe)
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{
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LogMe = logMe;
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SetStreamable(streamable);
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if (Streamable is not null && Streamable is IProcessable processable)
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{
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OnUnsubscribeAll(this, null);
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processable.Begin += OnBegin;
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processable.Completed += OnCompleted;
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processable.StatusUpdate += OnStatusUpdate;
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//If IStreamable.StreamingCompleted is never fired, we still
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//need to dispose of the form after IProcessable.Completed
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processable.Completed += OnCompletedDispose;
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//Don't unsubscribe from Dispose because it fires on
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//IStreamable.StreamingCompleted, and the IProcessable
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//events need to live past that event.
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processable.Completed += OnUnsubscribeAll;
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}
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}
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private void OnCompletedDispose(object sender, LibraryBook e) => this.UIThread(() => Dispose());
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private void OnUnsubscribeAll(object sender, LibraryBook e)
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{
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if (Streamable is IProcessable processable)
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{
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processable.Completed -= OnUnsubscribeAll;
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processable.Completed -= OnCompletedDispose;
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processable.Begin -= OnBegin;
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processable.Completed -= OnCompleted;
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processable.StatusUpdate -= OnStatusUpdate;
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}
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}
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#region IProcessable event handlers
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public virtual void OnBegin(object sender, LibraryBook libraryBook) => LogMe.Info($"Begin: {libraryBook.Book}");
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public virtual void OnStatusUpdate(object sender, string statusUpdate) => LogMe.Info("- " + statusUpdate);
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public virtual void OnCompleted(object sender, LibraryBook libraryBook) => LogMe.Info($"Completed: {libraryBook.Book}{Environment.NewLine}");
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#endregion
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}
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}
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