static ImageLibrary()
{
_success = new ImageInfo
{
Width = 64,
Height = 64,
Alt = "Success!",
Src = [email protected]_png
};
_alert = new ImageInfo
{
Width = 64,
Height = 56,
Alt = "Alert!",
Src = [email protected]_png
};
_checkEmail = new ImageInfo
{
Width = 64,
Height = 62,
Alt = "Check your email",
Src = [email protected]_png
};
_defaultProfile = new ImageInfo
{
Width = 78,
Height = 82,
Alt = "Default Profile Image",
Src = [email protected]_png
};
}
public ProviderPhotoRecord(ImageInfo anImageInfo)
{
this.ImageUrl = new Uri(anImageInfo.Src, UriKind.Absolute);
this.DisplayWidth = anImageInfo.Width;
this.DisplayHeight = anImageInfo.Height;
this.Caption = anImageInfo.Alt;
this.PhotoImageType = ImageTypeEnum.Original;
}
/// <summary>
/// Get absolute image infos from document
/// </summary>
/// <param name="validUriHost">restricts images to the local domain or the domains specified (www.insideword.com, www.chunkng.com, ...)</param>
/// <returns>List of image infos whose uri was valid and absolute</returns>
public List<ImageInfo> GetImageInfos(List<string> validUriHosts)
{
HtmlNodeCollection imageNodeList = HtmlDoc.DocumentNode.SelectNodes("//img");
List<ImageInfo> imageInfoList = new List<ImageInfo>();
ImageInfo anImageInfo;
if (imageNodeList != null)
{
foreach (HtmlNode imageNode in imageNodeList)
{
string srcAttr = imageNode.GetAttributeValue("src", String.Empty);
if (srcAttr != String.Empty)
{
Uri hrefUri;
if (Uri.TryCreate(srcAttr, UriKind.RelativeOrAbsolute, out hrefUri))
{
if (hrefUri.IsAbsoluteUri &&
(validUriHosts == null || validUriHosts.Count == 0 || validUriHosts.Contains(hrefUri.Host)))
{
anImageInfo = new ImageInfo();
anImageInfo.Src = hrefUri.AbsoluteUri;
anImageInfo.Alt = imageNode.GetAttributeValue("alt", string.Empty);
anImageInfo.Height = (short)imageNode.GetAttributeValue("height", 0);
anImageInfo.Width = (short)imageNode.GetAttributeValue("width", 0);
imageInfoList.Add(anImageInfo);
}
else
{
// Relative Uris not supported right now!
// TODO try to resolve the relative uris to absolute on any of our valid domains
// (check the actual paths for content or ignore all non-absolute urls
// imageUris.Add(uri.AbsolutePath);
}
}
}
}
}
return imageInfoList;
}
