private async void MainMap_ActualCameraChanged(MapControl sender, MapActualCameraChangedEventArgs args)
{
GeoboundingBox bounds;
try
{
var downloader = new Windows.Networking.BackgroundTransfer.BackgroundDownloader();
bounds = new GeoboundingBox(MainMap.TopLeft, MainMap.BottomRight);
}
catch (Exception) { return; }
long lm = DateTime.Now.Ticks;
LastMove = lm;
await Task.Delay(50);
if (LastMove == lm)
{
if (MainMap.ZoomLevel < MainMap.StopVisibilityThreshold)
{
return;
}
try
{
AddStopsInBounds(bounds, false);
}
catch (TaskCanceledException) { }
}
}
public async Task Download(Progress <double> progress = null)
{
HttpResponse r; r.
var downloader = new Windows.Networking.BackgroundTransfer.BackgroundDownloader();
Task s;
// Create a new download operation.
var ownload = downloader.CreateDownload(null, null, null).StartAsync().AsTask().w;
// Start the download and persist the promise to be able to cancel the download.
promise = ownload.Progress....startAsync().then(complete, error, progress);
}
internal async void Save()
{
var url = new Uri(post.photourl.First().Value);
var folder = KnownFolders.PicturesLibrary;
var photoFile = await folder.CreateFileAsync($"tumblrViewer.jpg", CreationCollisionOption.GenerateUniqueName);
var downloader = new Windows.Networking.BackgroundTransfer.BackgroundDownloader();
var dl = downloader.CreateDownload(url, photoFile);
await dl.StartAsync();
SavedPopUp();
}
private async void DownloadMediaContent()
{
var dt = DateTime.Now;
var f = await DownloadsFolder.CreateFolderAsync((dt.Year.ToString() + "-" + dt.Month.ToString() + "-" + dt.Day.ToString() + "-" + dt.Hour + "-" + dt.Minute), CreationCollisionOption.GenerateUniqueName);
List <StorageFile> Files = new List <StorageFile>();
switch (_med.MediaType)
{
case InstaMediaType.Image:
Files.Add(await f.CreateFileAsync("Img.jpg", CreationCollisionOption.GenerateUniqueName));
var file = Files.FirstOrDefault();
var tsk = new Windows.Networking.BackgroundTransfer.BackgroundDownloader().CreateDownload(new Uri(_med.Images[0].URI, UriKind.RelativeOrAbsolute), file).StartAsync().AsTask();
NotifyHelper.CreateNotifyEmpty("Download successfull", $"Image saved into {file.Path}");
break;
case InstaMediaType.Video:
Files.Add(await f.CreateFileAsync("Video.mp4", CreationCollisionOption.GenerateUniqueName));
var file2 = Files.FirstOrDefault();
var tsk2 = new Windows.Networking.BackgroundTransfer.BackgroundDownloader().CreateDownload(new Uri(_med.Videos[0].Url, UriKind.RelativeOrAbsolute), file2).StartAsync().AsTask();
NotifyHelper.CreateNotifyEmpty("Download successfull", $"Image saved into {file2.Path}");
break;
case InstaMediaType.Carousel:
foreach (var item in _med.Carousel)
{
if (item.MediaType == InstaMediaType.Image)
{
var file3 = await f.CreateFileAsync("Img.jpg", CreationCollisionOption.GenerateUniqueName);
var tsk3 = new Windows.Networking.BackgroundTransfer.BackgroundDownloader().CreateDownload(new Uri(item.Images[0].URI, UriKind.RelativeOrAbsolute), file3).StartAsync().AsTask();
NotifyHelper.CreateNotifyEmpty("Download successfull", $"Image saved into {file3.Path}");
}
else
{
var file3 = await f.CreateFileAsync("Video.mp4", CreationCollisionOption.GenerateUniqueName);
var tsk3 = new Windows.Networking.BackgroundTransfer.BackgroundDownloader().CreateDownload(new Uri(item.Videos[0].Url, UriKind.RelativeOrAbsolute), file3).StartAsync().AsTask();
NotifyHelper.CreateNotifyEmpty("Download successfull", $"Video saved into {file3.Path}");
}
}
break;
default:
break;
}
}
private async void Player(VoiceData data)
{
if (data.source.Contains("http://"))
{
var file = await(await appFolder.CreateFolderAsync("WelcomeVoice", CreationCollisionOption.OpenIfExists)).CreateFileAsync(data.id.ToString() + ".mp3", CreationCollisionOption.ReplaceExisting);
var downer = new Windows.Networking.BackgroundTransfer.BackgroundDownloader();
var downop = downer.CreateDownload(new Uri(data.source), file);
await downop.StartAsync();
mediaplayer.SetSource(await file.OpenReadAsync(), file.ContentType);
}
else
{
var file = await StorageFile.GetFileFromApplicationUriAsync(new Uri(data.source));
mediaplayer.SetSource(await file.OpenReadAsync(), file.ContentType);
}
}
/// <summary>
/// Initiate the download of the user its profile picture
/// </summary>
public async Task LoadProfilePicture()
{
try
{
StorageFolder LocalFolder = ApplicationData.Current.LocalFolder;
StorageFile File = await LocalFolder.CreateFileAsync(ID + ".png", CreationCollisionOption.ReplaceExisting);
var Downloader = new Windows.Networking.BackgroundTransfer.BackgroundDownloader();
var DownloadOperation = Downloader.CreateDownload(new Uri(String.Format("https://apis.live.net/v5.0/{0}/picture", ID)), File);
await ProcessDownloadProfilePicture(DownloadOperation, File);
NotifyPropertyChanged("ProfilePicture");
}
catch (Exception e)
{
ExtendedEventArgs eea = new ExtendedEventArgs();
eea.Error = String.Format("An error occurred while accessing the profile picture of your Microsoft account: {0}", e.Message);
OnConnectionError(eea);
}
}
public async Task <Windows.Networking.BackgroundTransfer.DownloadOperation> DownloadBackgroundAsync(Windows.Storage.StorageFile targetFile,
string containerName, string blobName, Action <Windows.Networking.BackgroundTransfer.DownloadOperation> progressCallback = null)
{
var read = Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPermissions.Read;
var container = this.Parent.GetContainer(containerName);
var signature = this.GetSas(read, TimeSpan.FromMinutes(5), container.Name, blobName);
var downloader = new Windows.Networking.BackgroundTransfer.BackgroundDownloader
{
TransferGroup = Windows.Networking.BackgroundTransfer.BackgroundTransferGroup.CreateGroup(_groupName)
};
var download = await downloader.CreateDownloadAsync(signature, targetFile, null);
if (progressCallback == null)
{
return(await download.StartAsync());
}
else
{
return(await download.StartAsync().AsTask(new Progress <Windows.Networking.BackgroundTransfer.DownloadOperation>(progressCallback)));
}
}
//压缩Gif
private async void btyasuo_Click(object sender, RoutedEventArgs e)
{
/*
* //LINQ 的查询
* List<int> listA = new List<int> { 1, 2, 3, 5, 7, 9 };
* List<int> listB = new List<int> { 13, 4, 17, 29, 2 };
* List<int> ResultA = listA.Union(listB).ToList<int>(); //剔除重复项
* List<int> ResultB = listA.Concat(listB).ToList<int>();//保留重复项
* List<int> ResultC = listA.Union(listB).Except(listB).ToList<int>();
* List<int> ResultD = listA.Union(listB).Except(listA).ToList<int>();
*/
//压缩
await Task.Run(async() =>
{
//var rass = RandomAccessStreamReference.CreateFromUri(new Uri(this.baseUri, "/Gif/123.gif"));
var rass = RandomAccessStreamReference.CreateFromUri(new Uri(this.baseUri, "/Gif/234.gif"));
var streamRandom = await rass.OpenReadAsync();
var streamRandomCopy = streamRandom.CloneStream();
var stream = await CompressionHelper.CompressionGif(streamRandom, 400, 300);
await this.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async() =>
{
await imageGif.SetSourceAsync(stream);
await gifYaSuo.SetSourceAsync(streamRandomCopy);
});
});
Windows.Networking.BackgroundTransfer.BackgroundDownloader bgd = new Windows.Networking.BackgroundTransfer.BackgroundDownloader();
//测试返回String
var sss = await GetAsyncTaskSample();
//BitmapImage bi = new BitmapImage();
//HttpDownLoadHelper hdlh = new HttpDownLoadHelper();
//var ss = await hdlh.StartDownload(new Uri("http://ww4.sinaimg.cn/bmiddle/636b6f59jw1e2exg8yk5pj.jpg", UriKind.RelativeOrAbsolute));
//await bi.SetSourceAsync(ss);
//ceshiImage.Source = bi;
hdlch = new HttpDownLoadContinueHelper();
hdlch.DownLoadChanging += new EventHandler <WinRtHttpHelper.Data.DownLoadChangingEventArgs>(DownLoadChanging);
var ss = await hdlch.StartDownload(new Uri("http://ww4.sinaimg.cn/bmiddle/636b6f59jw1e2exg8yk5pj.jpg", UriKind.RelativeOrAbsolute));
}
public async Task<Windows.Networking.BackgroundTransfer.DownloadOperation> DownloadBackgroundAsync(Windows.Storage.StorageFile targetFile,
string containerName, string blobName, Action<Windows.Networking.BackgroundTransfer.DownloadOperation> progressCallback = null)
{
var read = Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPermissions.Read;
var container = this.Parent.GetContainer(containerName);
var signature = this.GetSas(read, TimeSpan.FromMinutes(5), container.Name, blobName);
var downloader = new Windows.Networking.BackgroundTransfer.BackgroundDownloader
{
TransferGroup = Windows.Networking.BackgroundTransfer.BackgroundTransferGroup.CreateGroup(_groupName)
};
var download = await downloader.CreateDownloadAsync(signature, targetFile, null);
if (progressCallback == null)
return await download.StartAsync();
else
return await download.StartAsync().AsTask(new Progress<Windows.Networking.BackgroundTransfer.DownloadOperation>(progressCallback));
}
public static async Task AddTaskAsync(string url, string filename)
{
await getpicfolder();
string ex;
try
{
ex = Path.GetExtension(url);
}
catch
{
ex = ".jpg";
}
if (Uri.TryCreate(url, UriKind.Absolute, out Uri result))
{
int policy;
try
{
policy = (int)AppDataHelper.GetValue("BackgroundTransferCostPolicy");
}
catch
{
policy = 0;
}
try
{
var file = await pictureFolder.CreateFileAsync(filename + ex, CreationCollisionOption.FailIfExists);
Windows.Networking.BackgroundTransfer.BackgroundTransferCostPolicy costpolicy;
switch (policy)
{
default:
case 0:
costpolicy = Windows.Networking.BackgroundTransfer.BackgroundTransferCostPolicy.UnrestrictedOnly;
break;
case 1:
costpolicy = Windows.Networking.BackgroundTransfer.BackgroundTransferCostPolicy.Default;
break;
case 2:
costpolicy = Windows.Networking.BackgroundTransfer.BackgroundTransferCostPolicy.Always;
break;
case 3:
using (var res = await Data.TmpData.CurrentAuth.Tokens.SendRequestToGetImageAsync(Pixeez.MethodType.GET, url))
{
using (var stream = await res.GetResponseStreamAsync())
{
using (var filestream = await file.OpenStreamForWriteAsync())
{
await stream.CopyToAsync(filestream);
}
}
}
return;
}
var downloader = new Windows.Networking.BackgroundTransfer.BackgroundDownloader()
{
CostPolicy = costpolicy
};
downloader.SetRequestHeader("Referer", "https://app-api.pixiv.net/");
var op = downloader.CreateDownload(result, file);
var a = op.StartAsync();
}
catch { }
}
}
private async void MainMap_ActualCameraChanged(MapControl sender, MapActualCameraChangedEventArgs args)
{
GeoboundingBox bounds;
try
{
var downloader = new Windows.Networking.BackgroundTransfer.BackgroundDownloader();
bounds = new GeoboundingBox(MainMap.TopLeft, MainMap.BottomRight);
}
catch (Exception) { return; }
long lm = DateTime.Now.Ticks;
LastMove = lm;
await Task.Delay(50);
if (LastMove == lm)
{
if (MainMap.ZoomLevel < MainMap.StopVisibilityThreshold) return;
try
{
AddStopsInBounds(bounds, false);
}
catch (TaskCanceledException) { }
}
}
private async void Player(VoiceData data)
{
if(data.source.Contains("http://"))
{
var file = await (await appFolder.CreateFolderAsync("WelcomeVoice", CreationCollisionOption.OpenIfExists)).CreateFileAsync(data.id.ToString() + ".mp3", CreationCollisionOption.ReplaceExisting);
var downer = new Windows.Networking.BackgroundTransfer.BackgroundDownloader();
var downop= downer.CreateDownload(new Uri(data.source), file);
await downop.StartAsync();
mediaplayer.SetSource(await file.OpenReadAsync(), file.ContentType);
}
else
{
var file =await StorageFile.GetFileFromApplicationUriAsync(new Uri(data.source));
mediaplayer.SetSource(await file.OpenReadAsync(), file.ContentType);
}
}
