public void ContactRemovedEvent()
{
ContactData contactData = GetContactData(0, ContactState.New);
Run(() =>
{
window = new TestWindow();
window.ContactRemoved += HandleEvent;
window.PreviewContactRemoved += HandleEvent;
window.Show();
HwndSource source = (HwndSource)PresentationSource.FromVisual(window);
contactData.Hwnd = source.Handle;
RawMultitouchReport report = new RawMultitouchReport(CreateContact(contactData, 0, source));
InputManager.Current.ProcessInput(report);
report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.Removed), 0, source));
InputManager.Current.ProcessInput(report);
Dispatcher.ExitAllFrames();
resetEvent.Set();
});
resetEvent.WaitOne();
Assert.AreEqual(2, events.Count);
RoutedEventArgsInfo dequeue = events.Dequeue();
Assert.AreEqual<RoutedEvent>(MultitouchScreen.PreviewContactRemovedEvent, dequeue.RoutedEvent);
dequeue = events.Dequeue();
Assert.AreEqual<RoutedEvent>(MultitouchScreen.ContactRemovedEvent, dequeue.RoutedEvent);
}
UIElement GetTargetElement(Point position, UIElement root, RawMultitouchReport report)
{
DependencyObject captured;
if (report.CaptureState == CaptureMode.Element)
{
captured = report.Captured;
}
else
{
captured = HitTest(root, position);
if (captured != null && report.Captured != null && report.CaptureState == CaptureMode.SubTree)
{
if (!IsPartOfSubTree(captured, report.Captured))
{
captured = report.Captured;
}
}
}
if (captured != null)
{
DependencyObject currentObject = captured;
UIElement target = currentObject as UIElement;
while (target == null)
{
currentObject = LogicalTreeHelper.GetParent(currentObject);
target = currentObject as UIElement;
}
return(target);
}
return(null);
}
public void UpdateFromPrevious(RawMultitouchReport previousReport)
{
Context.OverElement = previousReport.Context.OverElement;
Context.ElementsList = previousReport.Context.ElementsList;
CaptureState = previousReport.CaptureState;
Captured = previousReport.Captured;
Context.History = previousReport.Context.History;
Context.History.Insert(0, previousReport.Context.Contact);
}
public void UpdateFromPrevious(RawMultitouchReport previousReport)
{
Context.OverElement = previousReport.Context.OverElement;
Context.ElementsList = previousReport.Context.ElementsList;
CaptureState = previousReport.CaptureState;
Captured = previousReport.Captured;
Context.History = previousReport.Context.History;
Context.History.Insert(0, previousReport.Context.Contact);
}
void HandleContact(object sender, Framework.Input.ContactEventArgs e)
{
ContactContext context = new ContactContext(e.Contact, source.RootVisual as UIElement);
RawMultitouchReport rawReport = new RawMultitouchReport(context);
lock (lockContactsQueue)
{
contactsQueue.Enqueue(rawReport);
}
Dispatcher.BeginInvoke(DispatcherPriority.Input, inputManagerProcessInput, null);
}
void HandleContact(object sender, Framework.Input.ContactEventArgs e)
{
ContactContext context = new ContactContext(e.Contact, source.RootVisual as UIElement);
RawMultitouchReport rawReport = new RawMultitouchReport(context);
lock (lockContactsQueue)
{
contactsQueue.Enqueue(rawReport);
}
Dispatcher.BeginInvoke(DispatcherPriority.Input, inputManagerProcessInput, null);
}
void inputManager_PreNotifyInput(object sender, NotifyInputEventArgs e)
{
if (e.StagingItem.Input.RoutedEvent == PreviewRawInputEvent)
{
RawMultitouchReport report = e.StagingItem.Input as RawMultitouchReport;
if (report != null && !report.Handled)
{
report.Context.OverElement = GetTargetElement(report.Context.Contact.Position, report.Context.Root, report);
Contact contact;
if (!report.CleanUp)
{
if (ContactsManager.ExistingContacts.TryGetValue(report.Context.Contact.Id, out contact))
{
contact.InputArgs = report;
}
else
{
contact = new Contact(report);
ContactsManager.ExistingContacts[report.Context.Contact.Id] = contact;
}
}
else
{
contact = ContactsManager.ExistingContacts[report.Context.Contact.Id];
contact.InputArgs = report;
report.Handled = true;
}
UIElementsList mergedList;
report.Context.ElementsList = BuildElementsList(report, report.Context.OverElement, report.Context.ElementsList, out mergedList);
if (mergedList != null)
{
RaiseEnterLeave(contact, mergedList);
}
if (report.CleanUp)
{
if (report.Captured != null)
{
contact.Capture(null);
}
ContactsManager.ExistingContacts.Remove(contact.Id);
}
}
}
Debug.Assert(e.StagingItem.Input.RoutedEvent != null, "routed event null");
}
static UIElementsList BuildElementsList(RawMultitouchReport report, DependencyObject newOver, UIElementsList oldList, out UIElementsList mergedList)
{
UIElementsList newList = null;
if (newOver != null)
{
newList = new UIElementsList(newOver);
if (!report.CleanUp)
{
BuildElementsList(newList, newOver);
}
}
mergedList = UIElementsList.BuildDifference(newList, oldList);
return(newList);
}
object InputManagerProcessInput(object arg)
{
RawMultitouchReport report = null;
lock (lockContactsQueue)
{
if (contactsQueue.Count > 0)
{
report = contactsQueue.Dequeue();
}
}
if (report != null)
{
inputManager.ProcessInput(report);
}
return(null);
}
public void CaptureElement()
{
Run(() =>
{
window = new TestWindow();
window.NewContact += HandleEvent;
window.ContactMoved += HandleEvent;
window.ContactRemoved += HandleEvent;
window.Show();
HwndSource source = (HwndSource)PresentationSource.FromVisual(window);
window.ExecuteOnNextContact(c => c.Capture(window.testElement));
RawMultitouchReport report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.New, new Point(100, 100)), 0, source));
InputManager.Current.ProcessInput(report);
report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.Moved, new Point(130, 100)), 1, source));
InputManager.Current.ProcessInput(report);
report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.Moved, new Point(200, 100)), 2, source));
InputManager.Current.ProcessInput(report);
report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.Removed, new Point(250, 100)), 3, source));
InputManager.Current.ProcessInput(report);
Dispatcher.ExitAllFrames();
resetEvent.Set();
});
resetEvent.WaitOne();
Assert.AreEqual(4, events.Count);
RoutedEventArgsInfo dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.NewContactEvent, window.testElement); // 100,100
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.ContactMovedEvent, window.testElement); //130,100
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.ContactMovedEvent, window.testElement); //200,100
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.ContactRemovedEvent, window.testElement); //250,100
}
void inputManager_PreProcessInput(object sender, PreProcessInputEventArgs e)
{
RoutedEvent routedEvent = e.StagingItem.Input.RoutedEvent;
if (routedEvent == PreviewRawInputEvent)
{
RawMultitouchReport report = e.StagingItem.Input as RawMultitouchReport;
if (report != null && !report.Handled)
{
switch (report.Context.Contact.State)
{
case ContactState.New:
return;
case ContactState.Removed:
case ContactState.Moved:
{
Contact contact;
if (!ContactsManager.ExistingContacts.TryGetValue(report.Context.Contact.Id, out contact))
{
break;
}
report.UpdateFromPrevious(contact.InputArgs);
return;
}
default:
return;
}
report.Handled = true;
}
}
else if (!MultitouchScreen.AllowNonContactEvents)
{
if (!IsContactEvent(routedEvent))
{
e.StagingItem.Input.Handled = true;
e.Cancel();
}
}
Debug.Assert(routedEvent != null, "routed event null");
}
void PromoteRawToPreview(ProcessInputEventArgs e, RawMultitouchReport report)
{
ContactContext context = report.Context;
RoutedEvent routedEvent = GetPreviewEventFromRawMultitouchState(context.Contact.State);
if (report.Context.OverElement != null && routedEvent != null)
{
Contact contact = ContactsManager.ExistingContacts[report.Context.Contact.Id];
ContactEventArgs args;
if (routedEvent == MultitouchScreen.PreviewNewContactEvent)
{
args = new NewContactEventArgs(contact, report.Timestamp);
}
else
{
args = new ContactEventArgs(contact, report.Timestamp);
}
args.RoutedEvent = routedEvent;
args.Source = report.Context.OverElement;
e.PushInput(args, e.StagingItem);
}
}
void inputManager_PostProcessInput(object sender, ProcessInputEventArgs e)
{
InputEventArgs input = e.StagingItem.Input;
if (input.RoutedEvent == PreviewRawInputEvent && !input.Handled)
{
PromoteRawToPreview(e, (RawMultitouchReport)input);
}
else if (input.Device != null && input.Device.GetType() == contactType)
{
if (!input.Handled)
{
PromotePreviewToMain(e, input);
}
if (input.RoutedEvent == MultitouchScreen.ContactRemovedEvent)
{
ContactEventArgs args = (ContactEventArgs)input;
RawMultitouchReport report = args.Contact.InputArgs.Clone();
report.CleanUp = true;
e.PushInput(report, e.StagingItem);
}
}
}
public void TouchablePanelCapture()
{
Run(() =>
{
window = new TestWindow();
window.Show();
HwndSource source = (HwndSource)PresentationSource.FromVisual(window);
Point rectPosition = GetPosition(window.panel, window.rect, true);
Point contactPosition = rectPosition;
contactPosition.Offset(-20, 0);
MultitouchScreen.AddContactEnterHandler(window.rect, (sender, e) => e.Contact.Capture((IInputElement)e.Source));
RawMultitouchReport report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.New, contactPosition), 1, source));
InputManager.Current.ProcessInput(report);
Assert.AreEqual(rectPosition, GetPosition(window.panel, window.rect, true));
contactPosition.Offset(20, 0);
report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.Moved, contactPosition), 2, source));
InputManager.Current.ProcessInput(report);
Assert.AreEqual(rectPosition, GetPosition(window.panel, window.rect, true));
contactPosition.Offset(20, 0);
report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.Moved, contactPosition), 3, source));
InputManager.Current.ProcessInput(report);
Point newPosition = rectPosition;
newPosition.Offset(20, 0);
Point position = GetPosition(window.panel, window.rect, true);
Assert.AreNotEqual(rectPosition, position);
Assert.AreEqual(newPosition, position);
Dispatcher.ExitAllFrames();
resetEvent.Set();
});
resetEvent.WaitOne();
}
static UIElementsList BuildElementsList(RawMultitouchReport report, DependencyObject newOver, UIElementsList oldList, out UIElementsList mergedList)
{
UIElementsList newList = null;
if (newOver != null)
{
newList = new UIElementsList(newOver);
if (!report.CleanUp)
BuildElementsList(newList, newOver);
}
mergedList = UIElementsList.BuildDifference(newList, oldList);
return newList;
}
internal Contact(RawMultitouchReport report)
{
InputArgs = report;
}
internal Contact(RawMultitouchReport report)
{
InputArgs = report;
}
UIElement GetTargetElement(Point position, UIElement root, RawMultitouchReport report)
{
DependencyObject captured;
if (report.CaptureState == CaptureMode.Element)
captured = report.Captured;
else
{
captured = HitTest(root, position);
if (captured != null && report.Captured != null && report.CaptureState == CaptureMode.SubTree)
{
if (!IsPartOfSubTree(captured, report.Captured))
captured = report.Captured;
}
}
if (captured != null)
{
DependencyObject currentObject = captured;
UIElement target = currentObject as UIElement;
while (target == null)
{
currentObject = LogicalTreeHelper.GetParent(currentObject);
target = currentObject as UIElement;
}
return target;
}
return null;
}
public void ContactHistory()
{
Run(() =>
{
window = new TestWindow();
window.Show();
ContactsManager manager = MultitouchLogic.Current.ContactsManager;
HwndSource source = (HwndSource)PresentationSource.FromVisual(window);
RawMultitouchReport report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.New, new Point(100, 100)), 0, source));
InputManager.Current.ProcessInput(report);
Assert.AreEqual(1, manager.ExistingContacts.Count);
Contact contact = manager.ExistingContacts.First().Value;
Assert.AreEqual(0, contact.GetPoints(null).Count());
report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.Moved, new Point(100, 120)), 1, source));
InputManager.Current.ProcessInput(report);
Assert.AreEqual(1, manager.ExistingContacts.Count);
contact = manager.ExistingContacts.First().Value;
Assert.AreEqual(1, contact.GetPoints(null).Count());
report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.Moved, new Point(130, 120)), 2, source));
InputManager.Current.ProcessInput(report);
Assert.AreEqual(1, manager.ExistingContacts.Count);
contact = manager.ExistingContacts.First().Value;
Assert.AreEqual(2, contact.GetPoints(null).Count());
report = new RawMultitouchReport(CreateContact(GetContactData(1, ContactState.New, new Point(130, 120)), 2, source));
InputManager.Current.ProcessInput(report);
Assert.AreEqual(2, manager.ExistingContacts.Count);
contact = manager.ExistingContacts.First().Value;
Assert.AreEqual(2, contact.GetPoints(null).Count());
contact = manager.ExistingContacts.ElementAt(1).Value;
Assert.AreEqual(0, contact.GetPoints(null).Count());
report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.Removed, new Point(130, 120)), 3, source));
InputManager.Current.ProcessInput(report);
Assert.AreEqual(1, manager.ExistingContacts.Count);
contact = manager.ExistingContacts.First().Value;
Assert.AreEqual(0, contact.GetPoints(null).Count());
report = new RawMultitouchReport(CreateContact(GetContactData(1, ContactState.Moved, new Point(140, 120)), 3, source));
InputManager.Current.ProcessInput(report);
Assert.AreEqual(1, manager.ExistingContacts.Count);
contact = manager.ExistingContacts.First().Value;
Assert.AreEqual(1, contact.GetPoints(null).Count());
report = new RawMultitouchReport(CreateContact(GetContactData(1, ContactState.Removed, new Point(140, 120)), 4, source));
InputManager.Current.ProcessInput(report);
Assert.AreEqual(0, manager.ExistingContacts.Count);
Dispatcher.ExitAllFrames();
resetEvent.Set();
});
resetEvent.WaitOne();
}
public void EnterLeaveEvents()
{
Run(() =>
{
window = new TestWindow();
window.PreviewNewContact += HandleEvent;
window.NewContact += HandleEvent;
window.PreviewContactMoved += HandleEvent;
window.ContactMoved += HandleEvent;
window.PreviewContactRemoved += HandleEvent;
window.ContactRemoved += HandleEvent;
window.ContactEnter += HandleEvent;
window.ContactLeave += HandleEvent;
MultitouchScreen.AddContactEnterHandler(window.canvas, HandleEvent);
MultitouchScreen.AddContactLeaveHandler(window.canvas, HandleEvent);
window.testElement.ContactEnter += HandleEvent;
window.testElement.ContactLeave += HandleEvent;
window.Show();
HwndSource source = (HwndSource)PresentationSource.FromVisual(window);
RawMultitouchReport report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.New, new Point(30, 100)), 0, source));
InputManager.Current.ProcessInput(report);
report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.Moved, new Point(49, 100)), 1, source));
InputManager.Current.ProcessInput(report);
report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.Moved, new Point(100, 100)), 2, source));
InputManager.Current.ProcessInput(report);
report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.Moved, new Point(150, 100)), 3, source));
InputManager.Current.ProcessInput(report);
report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.Moved, new Point(200, 100)), 4, source));
InputManager.Current.ProcessInput(report);
report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.Removed, new Point(200, 100)), 5, source));
InputManager.Current.ProcessInput(report);
Dispatcher.ExitAllFrames();
resetEvent.Set();
});
resetEvent.WaitOne();
Assert.AreEqual(18, events.Count);
RoutedEventArgsInfo dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.ContactEnterEvent, window); // 30,100
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.PreviewNewContactEvent, window);
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.NewContactEvent, window);
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.PreviewContactMovedEvent, window); // 49,100
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.ContactMovedEvent, window);
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.ContactEnterEvent, window.testElement); //100,100
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.ContactEnterEvent, window.canvas);
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.PreviewContactMovedEvent, window.testElement);
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.ContactMovedEvent, window.testElement);
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.PreviewContactMovedEvent, window.testElement); //150,100
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.ContactMovedEvent, window.testElement);
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.ContactLeaveEvent, window.testElement); //200,100
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.ContactLeaveEvent, window.canvas);
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.PreviewContactMovedEvent, window);
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.ContactMovedEvent, window);
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.PreviewContactRemovedEvent, window); //200,100
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.ContactRemovedEvent, window);
dequeue = events.Dequeue();
CheckContactEventArgs(dequeue, MultitouchScreen.ContactLeaveEvent, window);
}
void PromoteRawToPreview(ProcessInputEventArgs e, RawMultitouchReport report)
{
ContactContext context = report.Context;
RoutedEvent routedEvent = GetPreviewEventFromRawMultitouchState(context.Contact.State);
if (report.Context.OverElement != null && routedEvent != null)
{
Contact contact = ContactsManager.ExistingContacts[report.Context.Contact.Id];
ContactEventArgs args;
if (routedEvent == MultitouchScreen.PreviewNewContactEvent)
args = new NewContactEventArgs(contact, report.Timestamp);
else
args = new ContactEventArgs(contact, report.Timestamp);
args.RoutedEvent = routedEvent;
args.Source = report.Context.OverElement;
e.PushInput(args, e.StagingItem);
}
}
public void MultipleContactsCaptureSameObject()
{
Run(()=>
{
window = new TestWindow();
window.NewContact += HandleEvent;
window.Show();
HwndSource source = (HwndSource)PresentationSource.FromVisual(window);
Assert.AreEqual(0, MultitouchScreen.GetContactsCaptured(window.testElement2).Count());
Assert.AreEqual(0, MultitouchScreen.GetContactsCaptured(window.testElement).Count());
window.ExecuteOnNextContact(c=>c.Capture(window.testElement));
RawMultitouchReport report = new RawMultitouchReport(CreateContact(GetContactData(0, ContactState.New, new Point(100, 100)), 0, source));
InputManager.Current.ProcessInput(report);
Assert.AreEqual(1, MultitouchScreen.GetContactsCaptured(window.testElement).Count());
window.ExecuteOnNextContact(c => c.Capture(window.testElement));
report = new RawMultitouchReport(CreateContact(GetContactData(1, ContactState.New, new Point(100, 100)), 1, source));
InputManager.Current.ProcessInput(report);
Assert.AreEqual(2, MultitouchScreen.GetContactsCaptured(window.testElement).Count());
Assert.AreEqual(0, MultitouchScreen.GetContactsCaptured(window.testElement2).Count());
Dispatcher.ExitAllFrames();
resetEvent.Set();
});
resetEvent.WaitOne();
}