public App()
{
_actionProvider = new PropertyActionProvider(this);
actions = _actionProvider.GetActions();
actionLog = _actionProvider.GetActionLog();
actions.actionDeleted += actionLog.OnActionRemoved;
Logging.logger.WriteMessage(actionLog);
InitializeComponent();
MainPage = new NavigationPage(new TimeLoggingApp.MainPage());
}
public void DoWorkAsync(IActionProvider provider)
{
exitState = ExitState.NORMAL;
CancellationToken token = tokenSource.Token;
Task mainTask = Task.Factory.StartNew(() =>
{
while (true)
{
if (token.IsCancellationRequested) break;
try
{
Action[] actions = provider.GetActions();
if (actions.Length == 0) break;
List<Task> tasks = new List<Task>();
foreach (Action action in actions)
{
if (token.IsCancellationRequested) break;
try
{
Task subtask = Task.Factory.StartNew(action, token);
subtask.ContinueWith(TaskFailed, TaskContinuationOptions.OnlyOnFaulted);
tasks.Add(subtask);
}
catch
{
exitState = ExitState.ERROR;
tokenSource.Cancel();
break;
}
}
try
{
Task.WaitAll(tasks.ToArray(), tokenSource.Token);
}
catch (OperationCanceledException){}
}
catch
{
exitState = ExitState.ERROR;
break;
}
}
}, TaskCreationOptions.LongRunning);
mainTask.ContinueWith(Done, scheduler);
}
public void UpdateActions()
{
var actions = from key in actionDictionary.Keys.Cast <FrameworkElement>()
select new KeyValuePair <FrameworkElement, ICollection <ShellAction> >(key, (ICollection <ShellAction>)actionDictionary[key]);
//Rebuild actions
foreach (KeyValuePair <FrameworkElement, ICollection <ShellAction> > item in actions.ToArray())
{
FrameworkElement frameworkElement = item.Key;
ICollection <ShellAction> actionCollection = item.Value;
if (actionCollection != null)
{
foreach (ShellAction action in actionCollection)
{
ShellInteractionService.Actions.Remove(action);
}
}
DependencyObject parent = frameworkElement;
bool isActive = false;
while (parent != null)
{
if (parent == ShellInteractionService.ActiveSmartPart)
{
isActive = true;
break;
}
parent = VisualTreeHelper.GetParent(parent);
}
if (frameworkElement.IsVisible && isActive)
{
//Refresh actions for visible views
IActionProvider actionProvider = frameworkElement as IActionProvider;
if (actionCollection == null)
{
actionCollection = actionProvider.GetActions();
if (actionCollection == null)
{
actionCollection = new List <ShellAction>();
}
actionDictionary[frameworkElement] = actionCollection;
}
PropertyInfo isDetailViewProperty = frameworkElement.GetType().GetProperty("IsDetailView");
bool isDetailAction = false;
if (isDetailViewProperty != null)
{
if ((bool)isDetailViewProperty.GetValue(frameworkElement, null))
{
isDetailAction = true;
}
}
foreach (ShellAction action in actionCollection)
{
action.IsDetailAction = isDetailAction;
ShellInteractionService.Actions.Add(action);
}
}
}
}
