75 lines
2.7 KiB
C#
75 lines
2.7 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace Nuclex.Support.Tracking {
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/// <summary>Progression with an associated weight for the total progress</summary>
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internal class WeightedProgression<ProgressionType> : IDisposable
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where ProgressionType : Progression {
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/// <summary>Initializes a new weighted progression</summary>
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/// <param name="callback">Callback to pass progress updates on to</param>
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/// <param name="progression">Progression whose progress to monitor</param>
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/// <param name="weight">Weighting of the progression's progress</param>
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public WeightedProgression(
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ProgressionType progression,
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EventHandler<ProgressUpdateEventArgs> callback,
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float weight
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) {
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this.progression = progression;
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this.weight = weight;
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this.callback = callback;
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progression.AsyncProgressUpdated += new EventHandler<ProgressUpdateEventArgs>(
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asyncProgressUpdated
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);
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}
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/// <summary>Disposes of the resources used by this instance immediately</summary>
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public void Dispose() {
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if(this.progression != null) {
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progression.AsyncProgressUpdated -= new EventHandler<ProgressUpdateEventArgs>(
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asyncProgressUpdated
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);
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this.progression = null;
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}
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}
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/// <summary>Progression being wrapped by this weighted progression</summary>
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public ProgressionType Progression {
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get { return this.progression; }
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}
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/// <summary>Progress this progression has achieved so far</summary>
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public float Progress {
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get { return this.progress; }
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}
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/// <summary>The weighting of this progression in the total progress</summary>
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public float Weight {
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get { return this.weight; }
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}
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/// <summary>Handles progress reports by the progression</summary>
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/// <param name="sender">Progression that has made progress</param>
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/// <param name="e">Contains the currently achieved progress</param>
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private void asyncProgressUpdated(object sender, ProgressUpdateEventArgs e) {
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this.progress = e.Progress;
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this.callback(sender, e);
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}
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/// <summary>Progression whose progress we're tracking</summary>
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private ProgressionType progression;
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/// <summary>Callback to which any progress reports will be passed on</summary>
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private EventHandler<ProgressUpdateEventArgs> callback;
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/// <summary>Most recent progress reported by the progression</summary>
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private volatile float progress;
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/// <summary>Weighting of this progression in the total progress</summary>
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private float weight;
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}
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} // namespace Nuclex.Support.Tracking
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