public async Task <List <BitmapImage> > Extract(string Uri)
{
_extractProgress.Title = "Extracting...";
_extractProgress.ShowAsync();
return(await UnzipFileHelper(Uri));
}
public async Task <StorageFile> Download(string uri)
{
Uri source = new Uri(uri + @"/download");
HttpClient client = new HttpClient();
var result = await client.GetAsync(source, HttpCompletionOption.ResponseHeadersRead);
var content = result.Content;
var header = content.Headers;
//Clean invalid chars in filename
string fileName = CleanFileName(header.ContentDisposition.FileName);
StorageFolder d = await StorageFolder.GetFolderFromPathAsync(ApplicationData.Current.LocalCacheFolder.Path);
StorageFile file = await d.CreateFileAsync(fileName, CreationCollisionOption.OpenIfExists);
var size = await file.GetBasicPropertiesAsync();
if (size.Size == 0)
{
_progress = new DownloadProgress();
_progress.ShowAsync();
_backgroundDownloader = new BackgroundDownloader();
Progress <DownloadOperation> progress = new Progress <DownloadOperation>(progressChanged);
_downloadOperation = _backgroundDownloader.CreateDownload(source, file);
_downloadOperation.StartAsync();
await _downloadOperation.AttachAsync().AsTask(_cancellationTokenSourceken.Token, progress);
}
return(file);
}
public async Task <List <BitmapImage> > Extract(string Uri)
{
_progress.Title = "Reading ...";
_progress.ShowAsync();
int numOfFile = 0;
List <BitmapImage> images = new List <BitmapImage>();
StorageFolder fd = await StorageFolder.GetFolderFromPathAsync(Uri);
var fileList = await fd.GetFilesAsync();
int totalFile = fileList.Count;
foreach (var storageFile in fileList)
{
if (storageFile.IsOfType(StorageItemTypes.File))
{
numOfFile++;
string mediaType = storageFile.ContentType.Split('/')[0];
if (mediaType == "image")
{
using (var stream = await storageFile.OpenAsync(FileAccessMode.Read))
{
var bitmapImage = new BitmapImage();
await bitmapImage.SetSourceAsync(stream);
images.Add(bitmapImage);
}
}
_progress.Percent = numOfFile * 100 / totalFile;
_progress.PercentString = string.Format("{0} / {1}", numOfFile, totalFile);
if (_progress.Percent == 100)
{
_progress.Hide();
}
}
}
return(images);
}
