void _updateDevices(
PointerEvent targetEvent = null,
_UpdatedDeviceHandler handleUpdatedDevice = null)
{
D.assert(handleUpdatedDevice != null);
D.assert(result: !_duringBuildPhase);
D.assert(result: !_duringDeviceUpdate);
var mouseWasConnected = mouseIsConnected;
_MouseState targetState = null;
if (targetEvent != null)
{
targetState = _mouseStates.getOrDefault(key: targetEvent.device);
if (targetState == null)
{
targetState = new _MouseState(initialEvent: targetEvent);
_mouseStates[key : targetState.device] = targetState;
}
else
{
D.assert(!(targetEvent is PointerAddedEvent));
targetState.latestEvent = targetEvent;
if (targetEvent is PointerRemovedEvent)
{
_mouseStates.Remove(key: targetEvent.device);
}
}
}
D.assert(targetState == null == (targetEvent == null));
D.assert(() => {
_duringDeviceUpdate = true;
return(true);
});
var dirtyStates = targetEvent == null
? (IEnumerable <_MouseState>)_mouseStates.Values
: new List <_MouseState> {
targetState
};
foreach (var dirtyState in dirtyStates)
{
var nextAnnotations = _findAnnotations(state: dirtyState);
var lastAnnotations = dirtyState.replaceAnnotations(value: nextAnnotations);
handleUpdatedDevice(mouseState: dirtyState, previousAnnotations: lastAnnotations);
}
D.assert(() => {
_duringDeviceUpdate = false;
return(true);
});
if (mouseWasConnected != mouseIsConnected)
{
notifyListeners();
}
}
void _updateDevices(
PointerEvent targetEvent = null,
_UpdatedDeviceHandler handleUpdatedDevice = null)
{
D.assert(handleUpdatedDevice != null);
D.assert(!_duringBuildPhase);
D.assert(!_duringDeviceUpdate);
bool mouseWasConnected = mouseIsConnected;
_MouseState targetState = null;
if (targetEvent != null)
{
targetState = _mouseStates.getOrDefault(targetEvent.device);
if (targetState == null)
{
targetState = new _MouseState(initialEvent: targetEvent);
_mouseStates[targetState.device] = targetState;
}
else
{
D.assert(!(targetEvent is PointerAddedEvent));
targetState.latestEvent = targetEvent;
if (targetEvent is PointerRemovedEvent)
{
_mouseStates.Remove(targetEvent.device);
}
}
}
D.assert((targetState == null) == (targetEvent == null));
D.assert(() => {
_duringDeviceUpdate = true;
return(true);
});
IEnumerable <_MouseState> dirtyStates = targetEvent == null ? (IEnumerable <_MouseState>)_mouseStates.Values : new List <_MouseState> {
targetState
};
foreach (_MouseState dirtyState in dirtyStates)
{
HashSet <MouseTrackerAnnotation> nextAnnotations = _findAnnotations(dirtyState);
HashSet <MouseTrackerAnnotation> lastAnnotations = dirtyState.replaceAnnotations(nextAnnotations);
handleUpdatedDevice(dirtyState, lastAnnotations);
}
D.assert(() => {
_duringDeviceUpdate = false;
return(true);
});
if (mouseWasConnected != mouseIsConnected)
{
notifyListeners();
}
}
