public IEnumerable <ISmartTagAction> GetSmartTagActions(ParseItem item, int position, ITrackingSpan itemTrackingSpan, ITextView view)
{
UrlItem url = (UrlItem)item;
if (!url.IsValid || url.UrlString == null || string.IsNullOrEmpty(url.UrlString.Text))
{
yield break;
}
string text = url.UrlString.Text.Trim('"', '\'');
string testSupportFileName = text;
if (url.IsDataUri())
{
string mime = FileHelpers.GetMimeTypeFromBase64(text);
testSupportFileName = "file." + FileHelpers.GetExtension(mime);
}
if (!ImageCompressor.IsFileSupported(testSupportFileName))
{
yield break;
}
yield return(new OptimizeImageSmartTagAction(itemTrackingSpan, url));
}
public async override void Invoke()
{
if (string.IsNullOrEmpty(_url.UrlString.Text))
{
return;
}
ImageCompressor compressor = new ImageCompressor();
string url = _url.UrlString.Text.Trim('"', '\'');
if (_url.IsDataUri())
{
string dataUri = await compressor.CompressDataUriAsync(url);
if (dataUri.Length < url.Length)
{
using (EditorExtensionsPackage.UndoContext("Optimize image"))
{
Span span = Span.FromBounds(_url.UrlString.Start, _url.UrlString.AfterEnd);
_span.TextBuffer.Replace(span, "'" + dataUri + "'");
}
}
}
else
{
string selection = Uri.UnescapeDataString(url);
string fileName = ProjectHelpers.ToAbsoluteFilePath(selection, _span.TextBuffer.GetFileName());
if (string.IsNullOrEmpty(fileName) || !ImageCompressor.IsFileSupported(fileName) || !File.Exists(fileName))
{
return;
}
await compressor.CompressFilesAsync(fileName);
}
}