public override void DidResolveMediaSelection(NSUrlSession session, AVAssetDownloadTask assetDownloadTask, AVMediaSelection resolvedMediaSelection)
{
Log.Debug($"DidResolveMediaSelection: {assetDownloadTask?.TaskDescription} | {resolvedMediaSelection.Asset}");
// You should be sure to use this delegate callback to keep a reference
// to `resolvedMediaSelection` so that in the future you can use it to
// download additional media selections.
mediaSelectionMap [assetDownloadTask] = resolvedMediaSelection;
}
public override void DidFinishDownloadingToUrl(NSUrlSession session, AVAssetDownloadTask assetDownloadTask, NSUrl location)
{
//Log.Debug ($"DidFinishDownloadingToUrl: {assetDownloadTask?.TaskDescription} | {location}");
// This delegate callback should only be used to save the location URL
// somewhere in your application. Any additional work should be done in
// `URLSessionTaskDelegate.urlSession(_:task:didCompleteWithError:)`.
MusicAsset asset;
if (activeDownloadsMap.TryGetValue(assetDownloadTask, out asset))
{
SettingsStudio.Settings.SetSetting(asset.Id, location.RelativePath);
}
}
public override void DidLoadTimeRange(NSUrlSession session, AVAssetDownloadTask assetDownloadTask, CMTimeRange timeRange, NSValue [] loadedTimeRanges, CMTimeRange timeRangeExpectedToLoad)
{
//Log.Debug ($"DidLoadTimeRange: {assetDownloadTask?.TaskDescription}");
var asset = activeDownloadsMap [assetDownloadTask];
if (asset != null)
{
var percentComplete = 0.0;
// Iterate through the loaded time ranges
foreach (var val in loadedTimeRanges)
{
// Unwrap the CMTimeRange from the NSValue
var loadedTimeRange = val.CMTimeRangeValue;
// Calculate the percentage of the total expected asset duration
percentComplete += loadedTimeRange.Duration.Seconds / timeRangeExpectedToLoad.Duration.Seconds;
}
AssetDownloadProgressChanged?.Invoke(this, new MusicAssetDownloadProgressChangeArgs(asset.Music, percentComplete));
}
}
