/// <summary>
/// Event Handler for the Save Button
/// </summary>
private async void Save_Click(object sender, RoutedEventArgs e)
{
var image = ImagesList.SelectedItem as ImageResult;
if (image == null)
{
return;
}
var uri = new Uri(image.MediaUrl);
var filename = uri.Segments[uri.Segments.Length - 1];
var extension = System.IO.Path.GetExtension(filename);
var picker = new FileSavePicker();
picker.SuggestedFileName = filename;
picker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
picker.FileTypeChoices.Add(extension.Trim('.').ToUpper(), new string[] { extension });
var saveFile = await picker.PickSaveFileAsync();
if (saveFile != null)
{
Status.Text = "Download Started";
var download = new BackgroundDownloader().CreateDownload(uri, saveFile);
await download.StartAsync();
Status.Text = "Download Complete";
}
}
internal static async Task DownloadFile(string url, string name, StorageFolder folder)
{
try
{
if (folder == null)
{
var picker = new FolderPicker
{
ViewMode = PickerViewMode.Thumbnail,
SuggestedStartLocation = PickerLocationId.PicturesLibrary,
FileTypeFilter = { "*" }
};
folder = await picker.PickSingleFolderAsync();
}
CancellationToken token;
if (string.IsNullOrWhiteSpace(url) || !Uri.TryCreate(url, UriKind.Absolute, out Uri source))
{
throw new Exception("Invalid URI");
}
var destinationFile = await folder.CreateFileAsync(name, CreationCollisionOption.GenerateUniqueName);
var download = new BackgroundDownloader().CreateDownload(source, destinationFile);
download.Priority = BackgroundTransferPriority.High;
await download.StartAsync().AsTask(token);
}
catch (Exception e) { throw e; }
}
public static async Task preloadMp3SingleAsync(string mp3RemoteUrl)
{
var url = new Uri(mp3RemoteUrl);
string filename = System.IO.Path.GetFileName(url.LocalPath);
if (await isFilePresent(filename))
{
// do nothing
}
else
{
var destinationFile = await ApplicationData.Current.LocalFolder.CreateFileAsync(filename, CreationCollisionOption.ReplaceExisting);
var download = new BackgroundDownloader().CreateDownload(url, destinationFile);
await download.StartAsync().AsTask();
}
}
public async Task DownloadFile(string url, string name)
{
try
{
CancellationToken token;
Uri source;
StorageFolder folder = KnownFolders.VideosLibrary;
if (string.IsNullOrWhiteSpace(url) || !Uri.TryCreate(url, UriKind.Absolute, out source))
{
throw new Exception("Invalid URI");
}
StorageFile destinationFile;
destinationFile = await folder.CreateFileAsync(name, CreationCollisionOption.GenerateUniqueName);
var download = new BackgroundDownloader().CreateDownload(source, destinationFile);
download.Priority = BackgroundTransferPriority.High;
await download.StartAsync().AsTask(token);
}
catch (Exception e) { throw e; }
}
private static async Task <bool> Download(string url, string fileName,
StorageFolder destinationFolder, CancellationToken token)
{
if (string.IsNullOrWhiteSpace(url) || !Uri.TryCreate(url, UriKind.Absolute, out Uri source))
{
throw new Exception("Invalid URI");
}
try
{
StorageFile destinationFile = await(destinationFolder ?? KnownFolders.VideosLibrary)
.CreateFileAsync(fileName, CreationCollisionOption.GenerateUniqueName);
var downloader = new BackgroundDownloader().CreateDownload(source, destinationFile);
downloader.Priority = BackgroundTransferPriority.Default;
await downloader.StartAsync().AsTask(token);
return(true);
}
catch (TaskCanceledException e) { throw e; }
catch { return(false); }
}
private async Task <bool> GetMediaDataAsync(string path)
{
//if (this._groups.Count != 0)
// return false;
string jsonText = string.Empty;
if (string.IsNullOrEmpty(path))
{
// load the default data
//If retrieving json from web failed then use embedded json data file.
if (string.IsNullOrEmpty(jsonText))
{
Uri dataUri = new Uri("ms-appx:///DataModel/MediaData.json");
StorageFile file = await StorageFile.GetFileFromApplicationUriAsync(dataUri);
jsonText = await FileIO.ReadTextAsync(file);
MediaDataPath = "ms-appx:///DataModel/MediaData.json";
}
}
else
{
if (path.StartsWith("ms-appx://"))
{
Uri dataUri = new Uri(path);
StorageFile file = await StorageFile.GetFileFromApplicationUriAsync(dataUri);
jsonText = await FileIO.ReadTextAsync(file);
MediaDataPath = path;
}
else if (path.StartsWith("https://"))
{
try
{
using (var client = new HttpClient())
{
var response = await client.GetAsync(path);
response.EnsureSuccessStatusCode();
jsonText = await response.Content.ReadAsStringAsync();
MediaDataPath = path;
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(string.Format("{0:d/M/yyyy HH:mm:ss.fff}", DateTime.Now) + " Exception while opening the playlist: " + path + " Exception: " + e.Message);
}
}
else if (path.StartsWith("http://"))
{
try
{
//Download the json file from the server to configure what content will be dislayed.
//You can also modify the local MediaData.json file and delete this code block to test
//the local json file
Windows.Web.Http.Filters.HttpBaseProtocolFilter filter = new Windows.Web.Http.Filters.HttpBaseProtocolFilter();
filter.CacheControl.ReadBehavior = Windows.Web.Http.Filters.HttpCacheReadBehavior.MostRecent;
Windows.Web.Http.HttpClient http = new Windows.Web.Http.HttpClient(filter);
Uri httpUri = new Uri(path);
jsonText = await http.GetStringAsync(httpUri);
MediaDataPath = path;
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(string.Format("{0:d/M/yyyy HH:mm:ss.fff}", DateTime.Now) + " Exception while opening the playlist: " + path + " Exception: " + e.Message);
}
}
else
{
try
{
//Download the json file from the server to configure what content will be dislayed.
//You can also modify the local MediaData.json file and delete this code block to test
//the local json file
string MediaDataFile = path;
StorageFile file;
file = await Windows.Storage.StorageFile.GetFileFromPathAsync(path);
if (file != null)
{
jsonText = await FileIO.ReadTextAsync(file);
MediaDataPath = MediaDataFile;
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(string.Format("{0:d/M/yyyy HH:mm:ss.fff}", DateTime.Now) + " Exception while opening the playlist: " + path + " Exception: " + e.Message);
}
}
}
if (string.IsNullOrEmpty(jsonText))
{
return(false);
}
try
{
JsonObject jsonObject = JsonObject.Parse(jsonText);
JsonArray jsonArray = jsonObject["Groups"].GetArray();
foreach (JsonValue groupValue in jsonArray)
{
JsonObject groupObject = groupValue.GetObject();
MediaDataGroup group = new MediaDataGroup(groupObject["UniqueId"].GetString(),
groupObject["Title"].GetString(),
groupObject["Category"].GetString(),
groupObject["ImagePath"].GetString(),
groupObject["Description"].GetString());
foreach (JsonValue itemValue in groupObject["Items"].GetArray())
{
JsonObject itemObject = itemValue.GetObject();
long timeValue = 0;
if (!itemObject.ContainsKey("Title"))
{
var id = itemObject["UniqueId"].GetString().GetHashCode().ToString();
var videoPath = _localVideoReady.ContainsKey(id) ? ApplicationData.Current.LocalFolder.Path + "/" + _localVideoReady[id] : itemObject["Content"].GetString();
group.Items.Add(new MediaItem(id, "", "", "ms-appx:///Assets/SMOOTH.png",
"", videoPath, "", 0, 0, "", "", "", false));
}
else
{
var id = itemObject["UniqueId"].GetString().GetHashCode().ToString();
var videoPath = _localVideoReady.ContainsKey(id) ? ApplicationData.Current.LocalFolder.Path + "/" + _localVideoReady[id] : itemObject["Content"].GetString();
group.Items.Add(new MediaItem(id,
itemObject["Comment"].GetString(),
itemObject["Title"].GetString(),
itemObject["ImagePath"].GetString(),
itemObject["Description"].GetString(),
videoPath,
itemObject["PosterContent"].GetString(),
(long.TryParse(itemObject["Start"].GetString(), out timeValue) ? timeValue : 0),
(long.TryParse(itemObject["Duration"].GetString(), out timeValue) ? timeValue : 0),
(itemObject.ContainsKey("HttpHeaders") ? itemObject["HttpHeaders"].GetString() : ""),
itemObject["PlayReadyUrl"].GetString(),
itemObject["PlayReadyCustomData"].GetString(),
itemObject["BackgroundAudio"].GetBoolean()));
}
}
if (Groups.Any(g => g.UniqueId == group.UniqueId))
{
var currentGroup = Groups.First(g => g.UniqueId == group.UniqueId);
currentGroup.Items.Where(item => group.Items.All(i => i.UniqueId != item.UniqueId) || item.Content.Contains("http")).ToList()
.ForEach(item => currentGroup.Items.Remove(item));
foreach (var item in group.Items)
{
if (currentGroup.Items.All(i => i.UniqueId != item.UniqueId))
{
currentGroup.Items.Add(item);
}
}
}
else
{
Groups.Add(group);
}
foreach (var item in group.Items)
{
if (!_localVideoReady.ContainsKey(item.UniqueId) &&
!_toDownload.Exists(x => x.Id == item.UniqueId))
{
_toDownload.Add(new Video {
Id = item.UniqueId, Url = item.Content
});
}
}
var itemReady = new List <Video>();
foreach (var item in _toDownload)
{
try
{
var fileName = string.Format(@"{0}.mp4", Guid.NewGuid());
// create the blank file in specified folder
var file = await ApplicationData.Current.LocalFolder.CreateFileAsync(fileName, CreationCollisionOption.ReplaceExisting);
// create the downloader instance and prepare for downloading the file
var downloadOperation = new BackgroundDownloader().CreateDownload(new Uri(item.Url), file);
// start the download operation asynchronously
await downloadOperation.StartAsync();
_localVideoReady[item.Id] = fileName;
itemReady.Add(item);
await SaveVideos();
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(string.Format("{0:d/M/yyyy HH:mm:ss.fff}", DateTime.Now) + " Exception while Downloading: " + item.Url + " Exception: " + e.Message);
}
}
itemReady.ForEach(x => _toDownload.Remove(x));
return(true);
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(string.Format("{0:d/M/yyyy HH:mm:ss.fff}", DateTime.Now) + " Exception while opening the playlist: " + path + " Exception: " + e.Message);
}
return(false);
}
