private bool SelectDownloadRowInternal(DownloadRow row, bool callAfterSort = false)
{
if (row != null)
{
var visibleIndex = row.GetVisibleIndex();
if ((0 <= visibleIndex) && (visibleIndex < DGV.RowCount))
{
var dtrow = DGV.Rows[visibleIndex];
if (dtrow.Selected)
{
SelectionChanged?.Invoke(row);
}
else
{
dtrow.Selected = true;
}
if (!callAfterSort)
{
_UserMade_DGV_SelectionChanged = false;
}
return(true);
}
}
return(false);
}
internal ChangeOutputFileForm(DownloadRow row) : this()
{
(Row, this.OutputFileName) = (row, row.OutputFileName);
set_outputFileNameTextBox_Selection_Position(this.OutputFileName);
_FNCP.FileNameTextBox_TextChanged(outputFileName => set_outputFileNameTextBox_Selection_Position(outputFileName));
}
[M(O.AggressiveInlining)] private static string GetDownloadTimeText(DownloadRow row)
{
if (row.Status == DownloadStatus.Created)
{
return(row.CreatedOrStartedDateTime.ToString(CREATED_DT));
}
return(row.GetElapsed().ToString(HH_MM_SS));
}
private int Comparison(DownloadRow x, DownloadRow y)
{
var d = _Comparison(x, y);
if (d == 0)
{
d = x.CreatedOrStartedDateTime.CompareTo(y.CreatedOrStartedDateTime);
}
else
{
d *= _Coeff;
}
return(d);
}
private void Model_RowPropertiesChanged(DownloadRow row, string propertyName)
{
var visibleIndex = row.GetVisibleIndex();
if ((0 <= visibleIndex) && (visibleIndex < DGV.RowCount))
{
DGV.InvalidateRow(visibleIndex);
if (propertyName == nameof(DownloadRow.Status))
{
RestoreSortIfNeed();
}
}
}
internal void CreateDownloadRows(List <ChapterRow> items, OutputFormat[] formats)
{
foreach (var chapter in items.Where(item => downloadRows.All(r => r.Url != item.Url)))
{
var savePath = View.GetSavePath(chapter);
var task = new DownloadRow
{
Name = chapter.DisplayName,
Url = chapter.Url,
SaveToFolder = savePath,
Formats = formats
};
downloadRows.Add(task);
}
View.SetDownloadRows(downloadRows);
}
[M(O.AggressiveInlining)] private static string GetApproxRemainedTimeText(DownloadRow row)
{
if (row.Status == DownloadStatus.Running)
{
var totalBytes = row.GetApproxTotalBytes();
if (totalBytes.HasValue)
{
var elapsedSeconds = row.GetElapsed().TotalSeconds;
var downloadBytes = row.GetDownloadBytesLengthAfterLastRun();
if ((1_000 < downloadBytes) && (2.5 <= elapsedSeconds))
{
var remainedBytes = totalBytes.Value - (row.DownloadBytesLength - downloadBytes);
var remainedTime = TimeSpan.FromSeconds((remainedBytes - downloadBytes) * (elapsedSeconds / downloadBytes));
return(remainedTime.ToString(HH_MM_SS));
}
}
}
return(string.Empty);
}
[M(O.AggressiveInlining)] public static string GetDownloadInfoText(DownloadRow row)
{
var st = row.Status;
switch (st)
{
case DownloadStatus.Created: return($"[created]: {row.CreatedOrStartedDateTime.ToString( CREATED_DT )}");
case DownloadStatus.Started: return($"{row.GetElapsed().ToString( HH_MM_SS )}");
case DownloadStatus.Wait: return($"(wait), ({row.GetElapsed().ToString( HH_MM_SS )})");
}
var ts = row.GetElapsed();
var elapsed = ((1 < ts.TotalHours) ? ts.ToString(HH_MM_SS) : (':' + ts.ToString(MM_SS)));
var percent = ((0 < row.TotalParts) ? Convert.ToByte((100.0 * row.SuccessDownloadParts) / row.TotalParts).ToString() : "-");
//var failedParts = ((row.FailedDownloadParts != 0) ? $" (failed: {row.FailedDownloadParts})" : null);
var downloadInfo = $"{percent}%, ({elapsed})";
#region [.speed.]
if (!st.IsPaused())
{
var elapsedSeconds = ts.TotalSeconds;
var downloadBytes = row.GetDownloadBytesLengthAfterLastRun();
if ((1_000 < downloadBytes) && (2.5 <= elapsedSeconds))
{
string speedText;
if (downloadBytes < 100_000)
{
speedText = ((downloadBytes / elapsedSeconds) / 1_000).ToString("N2") + " Kbit/s";
}
else
{
speedText = ((downloadBytes / elapsedSeconds) / 1_000_000).ToString("N1") + " Mbit/s";
}
downloadInfo += $", [{speedText}]";
}
}
#endregion
return(downloadInfo);
}
[M(O.AggressiveInlining)] private static string GetDownloadSpeedText(DownloadRow row)
{
if (!row.Status.IsPaused())
{
var elapsedSeconds = row.GetElapsed().TotalSeconds;
var downloadBytes = row.GetDownloadBytesLengthAfterLastRun();
if ((1_000 < downloadBytes) && (2.5 <= elapsedSeconds))
{
var speedText = default(string);
if (downloadBytes < 100_000)
{
speedText = ((downloadBytes / elapsedSeconds) / 1_000).ToString("N2") + " Kbit/s";
}
else
{
speedText = ((downloadBytes / elapsedSeconds) / 1_000_000).ToString("N1") + " Mbit/s";
}
return(speedText);
}
}
return(string.Empty);
}
[M(O.AggressiveInlining)] private static bool TryGetDownloadProgress(DownloadRow row, out double part, out string progressText)
{
var st = row.Status;
switch (st)
{
case DownloadStatus.Created:
case DownloadStatus.Started:
case DownloadStatus.Wait:
part = default;
progressText = null;
return(false);
default:
string percentText;
if (0 < row.TotalParts)
{
part = (1.0 * row.SuccessDownloadParts) / row.TotalParts;
var percent = (row.TotalParts <= (row.SuccessDownloadParts + row.FailedDownloadParts)) ? 100 : Extensions.Min((byte)(100 * part), 99);
percentText = percent.ToString();
}
else if (st == DownloadStatus.Canceled) //not-started
{
part = default;
progressText = null;
return(false);
}
else
{
part = 0;
percentText = "-";
}
var failedParts = ((row.FailedDownloadParts != 0) ? $" (failed: {row.FailedDownloadParts})" : null);
progressText = $"{percentText}% ({row.SuccessDownloadParts} of {row.TotalParts}{failedParts})";
return(true);
}
}
[M(O.AggressiveInlining)] private static string GetApproxTotalBytesText(DownloadRow row)
{
var size = row.GetApproxTotalBytes();
return(size.HasValue ? GetDisplaySizeText(size.Value) : string.Empty);
}
public bool SelectDownloadRow(DownloadRow row) => SelectDownloadRowInternal(row);
internal void Remove(DownloadRow chapter)
{
downloadRows.Remove(chapter);
View.SetDownloadRows(downloadRows);
}
