72 lines
2.3 KiB
C#
72 lines
2.3 KiB
C#
using Dinah.Core.Net.Http;
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using Dinah.Core.Windows.Forms;
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using LibationWinForms.BookLiberation.BaseForms;
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using System;
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using System.Linq;
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using System.Windows.Forms;
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namespace LibationWinForms.BookLiberation
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{
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public partial class DownloadForm
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#if DEBUG
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: DebugIntermediate
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#else
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: LiberationBaseForm
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#endif
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{
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public DownloadForm()
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{
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InitializeComponent();
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progressLbl.Text = "";
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filenameLbl.Text = "";
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}
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#region IStreamable event handler overrides
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public override void OnStreamingBegin(object sender, string beginString)
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{
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filenameLbl.UIThread(() => filenameLbl.Text = beginString);
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}
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public override void OnStreamingProgressChanged(object sender, DownloadProgress downloadProgress)
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{
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// this won't happen with download file. it will happen with download string
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if (!downloadProgress.TotalBytesToReceive.HasValue || downloadProgress.TotalBytesToReceive.Value <= 0)
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return;
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progressLbl.UIThread(() => progressLbl.Text = $"{downloadProgress.BytesReceived:#,##0} of {downloadProgress.TotalBytesToReceive.Value:#,##0}");
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var d = double.Parse(downloadProgress.BytesReceived.ToString()) / double.Parse(downloadProgress.TotalBytesToReceive.Value.ToString()) * 100.0;
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var i = int.Parse(Math.Truncate(d).ToString());
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progressBar1.UIThread(() => progressBar1.Value = i);
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lastDownloadProgress = DateTime.Now;
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}
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#endregion
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#region timer
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private Timer timer { get; } = new Timer { Interval = 1000 };
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private void DownloadForm_Load(object sender, EventArgs e)
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{
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timer.Tick += new EventHandler(timer_Tick);
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timer.Start();
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}
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private DateTime lastDownloadProgress = DateTime.Now;
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private void timer_Tick(object sender, EventArgs e)
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{
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// if no update in the last 30 seconds, display frozen label
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lastUpdateLbl.UIThread(() => lastUpdateLbl.Visible = lastDownloadProgress.AddSeconds(30) < DateTime.Now);
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if (lastUpdateLbl.Visible)
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{
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var diff = DateTime.Now - lastDownloadProgress;
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var min = (int)diff.TotalMinutes;
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var minText = min > 0 ? $"{min}min " : "";
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lastUpdateLbl.UIThread(() => lastUpdateLbl.Text = $"Frozen? Last download activity: {minText}{diff.Seconds}sec ago");
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}
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}
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private void DownloadForm_FormClosing(object sender, FormClosingEventArgs e) => timer.Stop();
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#endregion
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}
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}
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