public async Task TestForegroundThread(bool inBg)
{
var context = CompositionManager.Instance.GetExportedValue <IThreadingContext> ();
var obj = new ForegroundThreadAffinitizedObject(context, false);
var roslynContext = obj.ThreadingContext.JoinableTaskContext;
Assert.AreSame(Runtime.MainThread, roslynContext.MainThread);
Assert.IsTrue(obj.IsForeground());
await Task.Run(() => {
Assert.IsFalse(obj.IsForeground());
});
int x = 0;
await obj.InvokeBelowInputPriorityAsync(() => {
Assert.IsTrue(obj.IsForeground());
x++;
});
Assert.AreEqual(1, x);
await Task.Run(() => obj.InvokeBelowInputPriorityAsync(() => {
Assert.IsTrue(obj.IsForeground());
x++;
}));
Assert.AreEqual(2, x);
}
public async Task TestForegroundThread(bool initAgain, bool inBg)
{
if (initAgain)
{
var current = ForegroundThreadAffinitizedObject.CurrentForegroundThreadData;
if (inBg)
{
await Task.Run(() => { RoslynService.Initialize(); });
}
else
{
RoslynService.Initialize();
}
Assert.AreSame(current, ForegroundThreadAffinitizedObject.CurrentForegroundThreadData);
}
var obj = new ForegroundThreadAffinitizedObject(false);
// FIXME: Roslyn does not about Xwt Synchronization context.
//Assert.AreEqual (ForegroundThreadDataKind.MonoDevelopGtk, obj.ForegroundKind);
Assert.AreEqual(Runtime.MainTaskScheduler, obj.ForegroundTaskScheduler);
Assert.IsTrue(obj.IsForeground());
await Task.Run(() => {
Assert.IsFalse(obj.IsForeground());
});
int x = 0;
await obj.InvokeBelowInputPriority(() => {
Assert.IsTrue(obj.IsForeground());
x++;
});
Assert.AreEqual(1, x);
await Task.Run(() => obj.InvokeBelowInputPriority(() => {
Assert.IsTrue(obj.IsForeground());
x++;
}));
Assert.AreEqual(2, x);
}
public CancellableContentControl(ToolTipProvider toolTipProvider, CustomCommitCompletion item)
{
Debug.Assert(_foregroundObject.IsForeground());
_toolTipProvider = toolTipProvider;
// Set our content to be "..." initially.
this.Content = toolTipProvider._defaultTextBlock;
// Kick off the task to produce the new content. When it completes, call back on
// the UI thread to update the display.
var scheduler = TaskScheduler.FromCurrentSynchronizationContext();
item.GetDescriptionAsync(_cancellationTokenSource.Token)
.ContinueWith(ProcessDescription, _cancellationTokenSource.Token,
TaskContinuationOptions.OnlyOnRanToCompletion, scheduler);
// If we get unloaded (i.e. the user scrolls down in the completion list and VS
// dismisses the existing tooltip), then cancel the work we're doing
this.Unloaded += (s, e) => _cancellationTokenSource.Cancel();
}