protected virtual void OnUpdating(ThreadEventArgs e)
{
if (Updating != null)
{
Updating(this, e);
}
if (header.IsPastlog || header.IsLimitOverThread || header.IsIgnored)
{
e.Cancel = true;
}
if (Common.CurrentSettings.Crushed && !header.Repaired)
{
header.ClearStatus();
}
}
protected virtual void OnUpdated(ThreadEventArgs e)
{
if (Updated != null)
{
Updated(this, e);
}
totalDownloadedImageCount = 0;//プログレスを0%に設定
}
protected virtual void OnRunning(ThreadEventArgs e)
{
if (Running != null)
{
Running(this, e);
}
running = true;
header.State = ThreadState.Downloading;
if (header.IsIgnored)
{
e.Cancel = true;
}
}
protected virtual void OnRan(ThreadEventArgs e)
{
if (running)
{
cancellationDownload = false;
header.State = ThreadState.DownloadComplete;
if ((header.IsPastlog || header.IsLimitOverThread) && imageHeaders.DownloadCompleted)
{
OnDownloadCompleted();
}
running = false;
//lock (Settings.SyncRoot)
//{
// Common.CurrentSettings.Save();
//}
//lock (((System.Collections.ICollection)Common.DownloadedImageHashes).SyncRoot)
//{
// Common.DownloadedImageHashes.Save();
//}
if (Ran != null)
{
Ran(this, e);
}
}
}
public bool Update()
{
ThreadEventArgs e = new ThreadEventArgs();
OnUpdating(e);
if (e.Cancel)
{
//OnUpdated(e);
return false;
}
string newReses = header.Update();
bool updated = !string.IsNullOrEmpty(newReses);
if (updated)
{
string replacedNewReses = Common.ReplaceStr != null ? Common.ReplaceStr.Replace(newReses) : newReses;
int startResIndex = header.GotResCount - header.NewResCount;
ThreadUtility.ParseHeaderResult result = ThreadUtility.ParseHeader(startResIndex, replacedNewReses, header.Parent.ExtensionFormat);
foreach (ImageHeader newImage in result.ImageHeaders)
{
if (!imageHeaders.Contains(newImage) &&
Common.Options.NGOptions.NGUrls.All(ngUrl => !newImage.OriginalUrl.Contains(ngUrl)))
{
imageHeaders.Add(newImage);
}
}
if (Common.Options.BrowsersOptions.JaneOptions.EnableImageViewURLReplacedatOption)
{
foreach (MaybeImageHeader newUrl in result.MaybeImageHeaders)
{
if (!imageHeaders.Contains(newUrl))
{
imageHeaders.Add(newUrl);
}
//if (!maybeImageHeaders.Contains(newUrl))
//{
// maybeImageHeaders.Add(newUrl);
//}
}
}
}
OnUpdated(e);
return updated;
}
/// <summary>
/// メインプロセスを開始します
/// </summary>
/// <exception cref="System.IO.IOException">画像の保存中にエラーが発生しました</exception>
/// <exception cref="System.Net.WebException">アップローダーへのアクセス中にエラーが発生しました</exception>
/// <exception cref="System.InvalidOperationException">ダウンロード中にエラーが発生しました</exception>
public void Run()
{
ThreadEventArgs e = new ThreadEventArgs();
OnRunning(e);
if (e.Cancel)
{
OnRan(e);
return;
}
IEnumerable<IImageHeader> downloadImages = GetDownloadImages();
totalDownloadingImageCount = downloadImages.Count();
try
{
System.Threading.Tasks.Parallel.ForEach(Uploader.Split(downloadImages), (uploader, loopState) =>
{
int i;
for (i = 0; i < uploader.ImageHeaders.Count; i++)
{
IImageHeader image = uploader.ImageHeaders[i];
if (cancellationDownload)
{
loopState.Break();
return;
}
try
{
ImageDownloadResult result = null;
lock (uploader.SyncRoot)
{
result = Download(image);
}
Save(result, image);
}
catch (WebException ex)
{
if (ex.Status == WebExceptionStatus.ProtocolError)
{
if (ex.Response == null)
{
throw;
}
HttpWebResponse errorResponse = (HttpWebResponse)ex.Response;
if (PauseDownloadStatuses.Contains(errorResponse.StatusCode))
{
//一時定期にアップローダが利用できない場合は次までダウンロードを停止
break;
}
}
}
totalDownloadedImageCount++;
}
//一時停止に設定
bool breakDownload = i < uploader.ImageHeaders.Count;
if (breakDownload)
{
for (; i < uploader.ImageHeaders.Count; i++)
{
uploader.ImageHeaders[i].State = ImageState.DownloadPause;
}
}
});
}
catch (AggregateException ex)
{
OnRan(e);
ex.Handle((innerException) =>
{
if (innerException is IOException)
{
Common.Logs.Add("保存エラー", innerException.Message, LogStatus.Error);
//System.Windows.Forms.MessageBox.Show(ex.Message + "\nダウンロードを中断しました。", "保存失敗",
// MessageBoxButtons.OK, MessageBoxIcon.Error);
return true;
}
else if (innerException is WebException)
{
Common.Logs.Add("通信エラー", innerException.Message, LogStatus.Error);
//MessageBox.Show(ex.Message + "\nダウンロードを中断しました。", "ダウンロード失敗",
// MessageBoxButtons.OK, MessageBoxIcon.Error);
return true;
}
return false;
});
//if (ex.InnerException is IOException || ex.InnerException is WebException)
//{
// throw ex.InnerException;
//}
//else
//{
// throw new InvalidOperationException("ダウンロード中にエラーが発生しました。\r\n" + header.Url, ex.InnerException);
//}
}
OnRan(e);
}
