/// <summary>
/// Load the mega nodes for this specific folder using the Mega SDK
/// </summary>
public void LoadChildNodes()
{
// User must be online to perform this operation
if ((this.Type != ContainerType.FolderLink) && !IsUserOnline())
{
return;
}
// First cancel any other loading task that is busy
CancelLoad();
// FolderRootNode should not be null
if (FolderRootNode == null)
{
OnUiThread(() =>
{
new CustomMessageDialog(
AppMessages.LoadNodesFailed_Title,
AppMessages.LoadNodesFailed,
App.AppInformation,
MessageDialogButtons.Ok).ShowDialog();
});
return;
}
SetProgressIndication(true);
// Process is started so we can set the empty content template to loading already
SetEmptyContentTemplate(true);
// Get the MNodes from the Mega SDK in the correct sorting order for the current folder
MNodeList childList = NodeService.GetChildren(this.MegaSdk, this.FolderRootNode);
if (childList == null)
{
OnUiThread(() =>
{
new CustomMessageDialog(
AppMessages.LoadNodesFailed_Title,
AppMessages.LoadNodesFailed,
App.AppInformation,
MessageDialogButtons.Ok).ShowDialog();
SetEmptyContentTemplate(false);
});
return;
}
// Clear the child nodes to make a fresh start
ClearChildNodes();
// Set the correct view for the main drive. Do this after the childs are cleared to speed things up
SetViewOnLoad();
// Build the bread crumbs. Do this before loading the nodes so that the user can click on home
OnUiThread(BuildBreadCrumbs);
// Create the option to cancel
CreateLoadCancelOption();
// Load and create the childnodes for the folder
Task.Factory.StartNew(() =>
{
try
{
CreateChildren(childList, childList.size());
}
catch (OperationCanceledException)
{
// Do nothing. Just exit this background process because a cancellation exception has been thrown
}
}, LoadingCancelToken, TaskCreationOptions.PreferFairness, TaskScheduler.Current);
}
