public static string GiveDescription(this IBackgroundTask background)
{
var type = background.GetType();
var bgt = type.GetCustomAttribute <BackgroundTaskAttribute>();
if (bgt == null)
{
return(null);
}
return(bgt.Description);
}
private string GetGroupName(IBackgroundTask task)
{
var attributes = task.GetType().GetTypeInfo().GetCustomAttributes <BackgroundTaskAttribute>().ToList();
if (attributes.Count == 0)
{
return("");
}
return(attributes.First().Group ?? "");
}
/// <summary>
/// Updates the list view item to display the changed property.
/// </summary>
/// <param name="p_tskTask">The task whose property has changed.</param>
/// <param name="p_strPropertyName">The name of the propety that has changed.</param>
private void HandleChangedTaskProperty(IBackgroundTask p_tskTask, string p_strPropertyName)
{
try
{
if (p_tskTask.GetType() == typeof(BasicUninstallTask))
{
if ((p_strPropertyName.Equals(ObjectHelper.GetPropertyName <IBackgroundTask>(x => x.ItemProgress))) && (p_tskTask.ItemProgress > 0))
{
SubItems["Progress"].Text = "Uninstalling, please wait...(" + ((p_tskTask.ItemProgress * 100) / p_tskTask.ItemProgressMaximum).ToString() + "%)";
}
}
else
{
if ((p_tskTask.GetType() == typeof(PrepareModTask)))
{
if (p_strPropertyName.Equals(ObjectHelper.GetPropertyName <IBackgroundTask>(x => x.OverallProgress)))
{
SubItems["Progress"].Text = "Unpacking, please wait...(" + (((p_tskTask.OverallProgress * 100) / p_tskTask.OverallProgressMaximum) / 2).ToString() + "%)";
}
}
else
{
if (p_strPropertyName.Equals(ObjectHelper.GetPropertyName <IBackgroundTask>(x => x.OverallProgress)))
{
SubItems["Progress"].Text = "Installing, please wait...(" + ((((p_tskTask.OverallProgress * 100) / p_tskTask.OverallProgressMaximum) / 2) + 50).ToString() + "%)";
}
}
}
}
catch (NullReferenceException)
{
//this can happen if we try to update the form before its handle has been created
// we should never get here, but if we do, we don't need to care
}
catch (ArgumentOutOfRangeException)
{
// we don't care if that happens
}
}
private static string GetQueueForTask(IBackgroundTask task)
{
var taskType = task.GetType();
if (!_taskToQueue.TryGetValue(taskType, out var queue))
{
var queueAttribute = taskType.GetAttributesIncludingInterface <QueueAttribute>().SingleOrDefault();
queue = queueAttribute == null ? EnqueuedState.DefaultQueue : queueAttribute.Queue;
_taskToQueue[taskType] = queue;
}
return(queue);
}
public static BackgroundTaskSettings GetDefaultSettings(this IBackgroundTask task)
{
var type = task.GetType();
var attribute = type.GetCustomAttribute <BackgroundTaskAttribute>();
if (attribute != null)
{
return(new BackgroundTaskSettings
{
Name = type.FullName,
Enable = attribute.Enable,
Schedule = attribute.Schedule,
Description = attribute.Description
});
}
return(new BackgroundTaskSettings {
Name = type.FullName
});
}
/// <summary>
/// Enqueues the specified work item.
/// </summary>
/// <param name="backgroundTask">The work item.</param>
public void Enqueue(IBackgroundTask backgroundTask)
{
var task = (BackgroundTask)backgroundTask;
lock (syncroot)
{
if (backgroundTask.MaxQueuedInstances == GetQueuedInstances(backgroundTask.GetType(), (BackgroundTask)backgroundTask))
{
Trace.WriteLine(String.Format("Task {0} has allready reached maximum allowed instances in the queue, ignoring enqueue...", backgroundTask.GetType()));
task.OnFinished();
return;
}
// Else
Tasks.Add(task);
}
// Signal the processing pool to start (if it wasn't allready running)
ProcessingPool.Process();
}
public static void RunBackgroundTask(IBackgroundTask task, IBackgroundTaskInstance taskInstance, IShinyStartup startup)
{
if (!ShinyHost.IsInitialized)
{
UwpPlatform.SetBackgroundTask(task.GetType());
ShinyHost.Init(new UwpPlatform(null), startup);
}
var services = ShinyHost.ServiceProvider;
//if (taskInstance.Task.Name.StartsWith("JOB-"))
//{
// services
// .Resolve<JobManager>(true)!
// .Process(taskInstance);
//}
//else
//{
// var targetType = Type.GetType(taskInstance.Task.Name);
// var processor = ActivatorUtilities.GetServiceOrCreateInstance(services, targetType) as IBackgroundTaskProcessor;
// processor?.Process(taskInstance);
//}
}
public static string GetTaskName(this IBackgroundTask task) => task.GetType().FullName;
public static string GetTaskName(this IBackgroundTask task)
{
return(task.GetType().FullName);
}
/// <summary>
/// Updates the list view item to display the changed property.
/// </summary>
/// <param name="p_tskTask">The task whose property has changed.</param>
/// <param name="p_strPropertyName">The name of the propety that has changed.</param>
private void HandleChangedTaskProperty(IBackgroundTask p_tskTask, string p_strPropertyName)
{
try
{
if (p_tskTask.GetType() == typeof(BasicUninstallTask))
{
if ((p_strPropertyName.Equals(ObjectHelper.GetPropertyName<IBackgroundTask>(x => x.ItemProgress))) && (p_tskTask.ItemProgress > 0))
SubItems["Progress"].Text = "Uninstalling, please wait...(" + ((p_tskTask.ItemProgress * 100) / p_tskTask.ItemProgressMaximum).ToString() + "%)";
}
else
{
if ((p_tskTask.GetType() == typeof(PrepareModTask)))
{
if (p_strPropertyName.Equals(ObjectHelper.GetPropertyName<IBackgroundTask>(x => x.OverallProgress)))
SubItems["Progress"].Text = "Unpacking, please wait...(" + (((p_tskTask.OverallProgress * 100) / p_tskTask.OverallProgressMaximum)/2).ToString() + "%)";
}
else
{
if (p_strPropertyName.Equals(ObjectHelper.GetPropertyName<IBackgroundTask>(x => x.OverallProgress)))
SubItems["Progress"].Text = "Installing, please wait...(" + ((((p_tskTask.OverallProgress * 100) / p_tskTask.OverallProgressMaximum)/2)+50).ToString() + "%)";
}
}
}
catch (NullReferenceException)
{
//this can happen if we try to update the form before its handle has been created
// we should never get here, but if we do, we don't need to care
}
catch (ArgumentOutOfRangeException)
{
// we don't care if that happens
}
}
private string GetGroupName(IBackgroundTask task)
{
var attributes = task.GetType().GetTypeInfo().GetCustomAttributes<BackgroundTaskAttribute>().ToList();
if (attributes.Count == 0)
{
return "";
}
return attributes.First().Group ?? "";
}