/// <summary>
/// Gets triggered if one of the buttons of a cell in the table view was touched.
/// </summary>
/// <param name="cell">Cell.</param>
/// <param name="button">Button.</param>
/// <param name="action">Action.</param>
async void HandleActionRequested(DownloaderCell cell, UIButton button, DownloaderCell.TRANSFER_ACTION action)
{
// Get the index of the cell in the table view.
var path = this.TableView.IndexPathForCell(cell);
if (path == null)
{
return;
}
int index = path.Row;
// Get the related download info object.
var downloadInfo = AppDelegate.AvailableDownloads[index];
// Via the task identifier we can get back to the enqueued task.
var pendingTasks = await this.Session.GetTasksAsync();
NSUrlSessionDownloadTask downloadTask = pendingTasks.DownloadTasks.FirstOrDefault(t => t.TaskIdentifier == downloadInfo.TaskId);
switch (action)
{
case DownloaderCell.TRANSFER_ACTION.Download:
Console.WriteLine("Creating new download task.");
// Create a new download task.
downloadTask = this.Session.CreateDownloadTask(NSUrl.FromString(downloadInfo.Source));
// The creation can fail.
if (downloadTask == null)
{
new UIAlertView(string.Empty, "Failed to create download task! Please retry.", null, "OK").Show();
return;
}
// Update the download info object.
downloadInfo.TaskId = (int)downloadTask.TaskIdentifier;
downloadInfo.Status = DownloadInfo.STATUS.Downloading;
// Resume / start the download.
downloadTask.Resume();
Console.WriteLine("Starting download of '{0}'. State of task: '{1}'. ID: '{2}'", downloadInfo.Title, downloadTask.State, downloadTask.TaskIdentifier);
/*
* // If this code is commented in, the app will exit immediately after the downlaod has been initiated.
* // When the download completes, iOS will relaunch the app and the UI will reflect the current state.
* AppDelegate.SerializeAvailableDownloads ();
* Exit (3);
*/
break;
case DownloaderCell.TRANSFER_ACTION.Stop:
if (downloadTask != null)
{
downloadTask.Cancel();
}
downloadInfo.Reset();
downloadInfo.Status = DownloadInfo.STATUS.Cancelled;
Console.WriteLine("Stopping download of '{0}'.", downloadInfo.Title);
break;
case DownloaderCell.TRANSFER_ACTION.View:
break;
}
// Update UI.
cell.UpdateFromDownloadInfo(downloadInfo);
}
/// <summary>
/// Gets triggered if one of the buttons of a cell in the table view was touched.
/// </summary>
/// <param name="cell">Cell.</param>
/// <param name="button">Button.</param>
/// <param name="action">Action.</param>
async void HandleActionRequested(DownloaderCell cell, UIButton button, DownloaderCell.TRANSFER_ACTION action)
{
// Get the index of the cell in the table view.
var path = this.TableView.IndexPathForCell (cell);
if (path == null)
{
return;
}
int index = path.Row;
// Get the related download info object.
var downloadInfo = AppDelegate.AvailableDownloads[index];
// Via the task identifier we can get back to the enqueued task.
var pendingTasks = await this.Session.GetTasksAsync ();
NSUrlSessionDownloadTask downloadTask = pendingTasks.DownloadTasks.FirstOrDefault (t => t.TaskIdentifier == downloadInfo.TaskId);
switch(action)
{
case DownloaderCell.TRANSFER_ACTION.Download:
Console.WriteLine ("Creating new download task.");
// Create a new download task.
downloadTask = this.Session.CreateDownloadTask (NSUrl.FromString (downloadInfo.Source));
// The creation can fail.
if (downloadTask == null)
{
new UIAlertView (string.Empty, "Failed to create download task! Please retry.", null, "OK").Show ();
return;
}
// Update the download info object.
downloadInfo.TaskId = (int)downloadTask.TaskIdentifier;
downloadInfo.Status = DownloadInfo.STATUS.Downloading;
// Resume / start the download.
downloadTask.Resume ();
Console.WriteLine ("Starting download of '{0}'. State of task: '{1}'. ID: '{2}'", downloadInfo.Title, downloadTask.State, downloadTask.TaskIdentifier);
/*
// If this code is commented in, the app will exit immediately after the downlaod has been initiated.
// When the download completes, iOS will relaunch the app and the UI will reflect the current state.
AppDelegate.SerializeAvailableDownloads ();
Exit (3);
*/
break;
case DownloaderCell.TRANSFER_ACTION.Stop:
if (downloadTask != null)
{
downloadTask.Cancel ();
}
downloadInfo.Reset ();
downloadInfo.Status = DownloadInfo.STATUS.Cancelled;
Console.WriteLine ("Stopping download of '{0}'.", downloadInfo.Title);
break;
case DownloaderCell.TRANSFER_ACTION.View:
break;
}
// Update UI.
cell.UpdateFromDownloadInfo (downloadInfo);
}