/// <summary>
/// do in a separate thread
/// 下载缩略图线程
/// </summary>
/// <param name="page"></param>
/// <param name="count"></param>
/// <param name="word"></param>
public void PreFetchPage(int page, int count, string word, ImageSite site)
{
(new Thread(new ThreadStart(() =>
{
try
{
preFetchedPage = site.GetPageString(page, count, word, proxy);
prePage = page;
preCount = count;
preWord = word;
preSite = site;
List <Img> imgs = site.GetImages(preFetchedPage, proxy);
//获得所有图片列表后反馈得到的数量
PreListLoaded(imgs.Count, null);
if (imgs.Count < 1)
{
return;
}
SessionClient sweb = new SessionClient();
SessionHeadersCollection shc = new SessionHeadersCollection();
shc.Accept = null;
shc.ContentType = SessionHeadersValue.ContentTypeAuto;
shc.Add("Accept-Ranges", "bytes");
shc.Referer = site.Referer;
imgs = site.FilterImg(imgs, MainWindow.MainW.MaskInt, MainWindow.MainW.MaskRes,
MainWindow.MainW.LastViewed, MainWindow.MainW.MaskViewed, true, false);
//预加载缩略图
foreach (HttpWebRequest req1 in imgReqs)
{
if (req1 != null)
{
req1.Abort();
}
}
preFetchedImg.Clear();
imgReqs.Clear();
//prefetch one by one
int cacheCount = CachedImgCount < imgs.Count ? CachedImgCount : imgs.Count;
for (int i = 0; i < cacheCount; i++)
{
WebResponse res = sweb.GetWebResponse(imgs[i].PreviewUrl, proxy, 9000, shc);
System.IO.Stream str = res.GetResponseStream();
if (!preFetchedImg.ContainsKey(imgs[i].PreviewUrl))
{
preFetchedImg.Add(imgs[i].PreviewUrl, MainWindow.MainW.CreateImageSrc(str));
}
}
}
catch
{
//Console.WriteLine("useless");
}
}))).Start();
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="img">图片</param>
/// <param name="index">缩略图位置索引</param>
/// <param name="site">图片站点</param>
public ImgControl(Img img, int index, ImageSite site)
{
InitializeComponent();
this.site = site;
Image = img;
this.index = index;
shc.Add("Accept-Ranges", "bytes");
shc.Accept = null;
shc.Referer = site.Referer;
shc.Timeout = 8000;
shc.ContentType = SessionHeadersValue.ContentTypeAuto;
if (img.IsViewed)
{
//statusBorder.Background = new SolidColorBrush(Color.FromArgb(0xCC, 0xFE, 0xE2, 0xE2));
statusBorder.Background = new SolidColorBrush(Color.FromArgb(0xEE, 0xE9, 0x93, 0xAA));
}
//try
//{
//string s = .Substring(img.Score.IndexOf(' '), img.Score.Length - img.Score.IndexOf(' '));
//score.Text = img.Score.ToString();
//}
//catch { }
/*
* if (!supportScore)
* {
* brdScr.Visibility = System.Windows.Visibility.Hidden;
* }*/
//chk.Text = img.Dimension;
//RenderOptions.SetBitmapScalingMode(preview, BitmapScalingMode.Fant);
preview.DataContext = img;
preview.SizeChanged += new SizeChangedEventHandler(preview_SizeChanged);
preview.ImageFailed += new EventHandler <ExceptionRoutedEventArgs>(preview_ImageFailed);
preview.MouseUp += new MouseButtonEventHandler(preview_MouseUp);
statusBorder.MouseUp += new MouseButtonEventHandler(preview_MouseUp);
chk.MouseUp += new MouseButtonEventHandler(preview_MouseUp);
txtDesc.MouseUp += new MouseButtonEventHandler(preview_MouseUp);
downBtn.MouseUp += new MouseButtonEventHandler(Border_MouseUp);
magBtn.MouseUp += new MouseButtonEventHandler(preview_Click);
//chk.Click += chk_Checked;
//ToolTip tip = preview.ToolTip as ToolTip;
//tip.PlacementTarget = preview.Parent as UIElement;
//TextBlock desc = (tip.Content as Border).Child as TextBlock;
//下载缩略图
//DownloadImg();
if (img.DownloadDetail != null)
{
//need detail
LayoutRoot.IsEnabled = false;
//isRetrievingDetail = true;
chk.Text = "信息未加载";
}
else
{
ShowImgDetail();
}
}