protected override Object DoInBackground(params Object[] @params)
{
_imageDownloadData = @params[0].ToString();
_fileName = @params[1].ToString();
try
{
if (_imageDownloadData.StartsWith("data:image"))
{
var image = DataImage.TryParse(_imageDownloadData);
if (image == null)
{
return(false);
}
FileHelper.SaveImageAtDownloads(image.RawData, _fileName);
return(true);
}
if (!_imageDownloadData.StartsWith("https"))
{
return(false);
}
DownloadMedia();
return(true);
}
catch (Exception ex)
{
Logger.Error(ex);
return(false);
}
}
public bool OnMenuItemClick(IMenuItem item)
{
if (string.IsNullOrEmpty(_itemExtra))
{
return(false);
}
var fileName = _itemExtra.StartsWith("data:image") ?
$"image.{DataImage.GetImageExtension(_itemExtra)}" :
URLUtil.GuessFileName(_itemExtra, null, null);
if (FileHelper.MediaExists(fileName))
{
UserDialogs.Instance.ActionSheet(new ActionSheetConfig()
.SetTitle("An image with the same name already exists")
.SetMessage($"Do you want replace the existing {fileName} in download")
.Add(
"Replace file",
() => new ImageDownloader().Execute(_itemExtra, fileName))
.Add(
"Create new file",
() => new ImageDownloader().Execute(_itemExtra, FileHelper.GenerateNewFileName(fileName)))
.SetCancel()
.SetUseBottomSheet(true));
}
else
{
new ImageDownloader().Execute(_itemExtra, fileName);
}
return(true);
}