static async Task AdjustToEndAsync(ListViewBase list, ScrollViewer scrollViewer, object targetItem)
{
var point = new UWPPoint(scrollViewer.HorizontalOffset, scrollViewer.VerticalOffset);
var targetContainer = list.ContainerFromItem(targetItem) as UIElement;
point = AdjustToEnd(point, targetContainer.DesiredSize, scrollViewer);
await JumpToOffsetAsync(scrollViewer, point.X, point.Y);
}
static UWPPoint AdjustToCenter(UWPPoint point, UWPSize itemSize, ScrollViewer scrollViewer)
{
if (IsVertical(scrollViewer))
{
return(AdjustToCenterVertical(point, itemSize, scrollViewer));
}
return(AdjustToCenterHorizontal(point, itemSize, scrollViewer));
}
static UWPPoint AdjustToMakeVisible(UWPPoint point, UWPSize itemSize, ScrollViewer scrollViewer)
{
if (IsVertical(scrollViewer))
{
return(AdjustToMakeVisibleVertical(point, itemSize, scrollViewer));
}
return(AdjustToMakeVisibleHorizontal(point, itemSize, scrollViewer));
}
void UpdateLocation()
{
var anchor = new global::Windows.Foundation.Point(0.65, 1);
var location = new Geopoint(new BasicGeoposition
{
Latitude = _pin.Position.Latitude,
Longitude = _pin.Position.Longitude
});
MapControl.SetLocation(this, location);
MapControl.SetNormalizedAnchorPoint(this, anchor);
}
async Task CreateShadowAsync()
{
if (Child == null || Shadow == null || Shadow.Paint == null)
{
return;
}
double width = _shadowHostSize.Width;
double height = _shadowHostSize.Height;
if (height <= 0 && width <= 0)
{
return;
}
// TODO: Fix ArgumentException
if (Clip != null)
{
await Task.Delay(500);
}
var ttv = Child.TransformToVisual(_shadowCanvas);
global::Windows.Foundation.Point offset = ttv.TransformPoint(new global::Windows.Foundation.Point(0, 0));
var shadowHost = new UI.Xaml.Shapes.Rectangle()
{
Fill = new SolidColorBrush(UI.Colors.Transparent),
Width = width,
Height = height
};
Canvas.SetLeft(shadowHost, offset.X);
Canvas.SetTop(shadowHost, offset.Y);
_shadowCanvas.Children.Insert(0, shadowHost);
var hostVisual = ElementCompositionPreview.GetElementVisual(_shadowCanvas);
var compositor = hostVisual.Compositor;
_dropShadow = compositor.CreateDropShadow();
SetShadowProperties(_dropShadow, Shadow);
_dropShadow.Mask = await Child.GetAlphaMaskAsync();
_shadowVisual = compositor.CreateSpriteVisual();
_shadowVisual.Size = new Vector2((float)width, (float)height);
_shadowVisual.Shadow = _dropShadow;
ElementCompositionPreview.SetElementChildVisual(shadowHost, _shadowVisual);
}
public Point?GetLocationOnScreen(VisualElement visualElement)
{
var view = Platform.UWP.Platform.GetRenderer(visualElement);
if (view?.ContainerElement == null)
{
return(null);
}
var ttv = view.ContainerElement.TransformToVisual(Window.Current.Content);
global::Windows.Foundation.Point screenCoords = ttv.TransformPoint(new global::Windows.Foundation.Point(0, 0));
return(new Point(screenCoords.X, screenCoords.Y));
}
static UWPPoint AdjustToMakeVisibleHorizontal(UWPPoint point, UWPSize itemSize, ScrollViewer scrollViewer)
{
if (point.X > (scrollViewer.HorizontalOffset + scrollViewer.ViewportWidth))
{
return(AdjustToEndHorizontal(point, itemSize, scrollViewer));
}
if (point.X >= scrollViewer.HorizontalOffset &&
point.X < (scrollViewer.HorizontalOffset + scrollViewer.ViewportWidth - itemSize.Width))
{
// The target is already in the viewport, no reason to scroll at all
return(new UWPPoint(scrollViewer.HorizontalOffset, scrollViewer.VerticalOffset));
}
return(point);
}
static async Task ScrollToTargetContainerAsync(UIElement targetContainer, ScrollViewer scrollViewer, ScrollToPosition scrollToPosition)
{
var transform = targetContainer.TransformToVisual(scrollViewer.Content as UIElement);
var position = transform?.TransformPoint(Zero);
if (!position.HasValue)
{
return;
}
UWPPoint offset = position.Value;
// We'll use the desired size of the item because the actual size may not be actualized yet, and
// we'll get a very unhelpful cast exception when it tries to cast to IUIElement10(!)
var itemSize = targetContainer.DesiredSize;
switch (scrollToPosition)
{
case ScrollToPosition.Start:
// The transform will put the container at the top of the ScrollViewer; we'll need to adjust for
// other scroll positions
break;
case ScrollToPosition.MakeVisible:
offset = AdjustToMakeVisible(offset, itemSize, scrollViewer);
break;
case ScrollToPosition.Center:
offset = AdjustToCenter(offset, itemSize, scrollViewer);
break;
case ScrollToPosition.End:
offset = AdjustToEnd(offset, itemSize, scrollViewer);
break;
}
await AnimateToOffsetAsync(scrollViewer, offset.X, offset.Y);
}
void HandlePinch(ManipulationDeltaRoutedEventArgs e, View view)
{
if (_fingers.Count < 2 || view == null)
{
return;
}
_isPinching = true;
global::Windows.Foundation.Point translationPoint = e.Container.TransformToVisual(Container).TransformPoint(e.Position);
var scaleOriginPoint = new Point(translationPoint.X / view.Width, translationPoint.Y / view.Height);
IEnumerable <PinchGestureRecognizer> pinchGestures = view.GestureRecognizers.GetGesturesFor <PinchGestureRecognizer>();
foreach (PinchGestureRecognizer recognizer in pinchGestures)
{
if (!_wasPinchGestureStartedSent)
{
recognizer.SendPinchStarted(view, scaleOriginPoint);
}
recognizer.SendPinch(view, e.Delta.Scale, scaleOriginPoint);
}
_wasPinchGestureStartedSent = true;
}
protected virtual object GetElementFromPointCore(global::Windows.Foundation.Point pointInWindowCoordinates)
{
throw new global::System.NotImplementedException("The member object AutomationPeer.GetElementFromPointCore(Point pointInWindowCoordinates) is not implemented in Uno.");
}
public InkPoint(global::Windows.Foundation.Point position, float pressure)
{
global::Windows.Foundation.Metadata.ApiInformation.TryRaiseNotImplemented("Windows.UI.Input.Inking.InkPoint", "InkPoint.InkPoint(Point position, float pressure)");
}
public global::Windows.Foundation.Rect PasteFromClipboard(global::Windows.Foundation.Point position)
{
throw new global::System.NotImplementedException("The member Rect InkManager.PasteFromClipboard(Point position) is not implemented in Uno.");
}
public global::System.Numerics.Vector2 UnprojectAtUnitDepth(global::Windows.Foundation.Point pixelCoordinate)
{
throw new global::System.NotImplementedException("The member Vector2 CameraIntrinsics.UnprojectAtUnitDepth(Point pixelCoordinate) is not implemented in Uno.");
}
public void SetContentFromSoftwareBitmap(global::Windows.Graphics.Imaging.SoftwareBitmap softwareBitmap, global::Windows.Foundation.Point anchorPoint)
{
global::Windows.Foundation.Metadata.ApiInformation.TryRaiseNotImplemented("Windows.UI.Xaml.DragUI", "void DragUI.SetContentFromSoftwareBitmap(SoftwareBitmap softwareBitmap, Point anchorPoint)");
}
public global::Windows.Foundation.Point Transform(global::Windows.Foundation.Point point)
{
throw null;
}
public global::Windows.UI.Text.ITextRange GetRangeFromPoint(global::Windows.Foundation.Point point, global::Windows.UI.Text.PointOptions options)
{
throw new global::System.NotImplementedException("The member ITextRange RichEditTextDocument.GetRangeFromPoint(Point point, PointOptions options) is not implemented in Uno.");
}
internal static global::Windows.Foundation.Point[] Func_rg__Point__(
global::System.__ComObject __this,
global::System.RuntimeTypeHandle __typeHnd,
int __targetIndex)
{
// Setup
global::Windows.Foundation.Point* unsafe___value__retval = default(global::Windows.Foundation.Point*);
global::Windows.Foundation.Point[] __value__retval = default(global::Windows.Foundation.Point[]);
uint unsafe___value__retval_mcgLength = 0;
int unsafe___return__;
try
{
// Marshalling
unsafe___value__retval = null;
// Call to native method
unsafe___return__ = global::McgInterop.ComCallHelpers.ComCall__HRESULT(
__this,
__typeHnd,
__targetIndex,
&(unsafe___value__retval_mcgLength),
&(unsafe___value__retval)
);
global::System.Runtime.InteropServices.DebugAnnotations.PreviousCallContainsUserCode();
if (unsafe___value__retval == null)
__value__retval = null;
else
{
__value__retval = new global::Windows.Foundation.Point[unsafe___value__retval_mcgLength];
if (__value__retval != null)
for (uint mcgIdx = 0; (mcgIdx < unsafe___value__retval_mcgLength); mcgIdx++)
{
// [fwd] [out] [retval] [nativebyref] [optional] [Mcg.CodeGen.BlittableValueMarshaller] Windows_Foundation_Point__Windows_Foundation__Point __value__retval
__value__retval[mcgIdx] = unsafe___value__retval[mcgIdx];
}
}
// Return
return __value__retval;
}
finally
{
// Cleanup
global::System.Runtime.InteropServices.ExternalInterop.SafeCoTaskMemFree(unsafe___value__retval);
}
}
public global::Windows.UI.Xaml.Documents.TextPointer GetPositionFromPoint(global::Windows.Foundation.Point point)
{
throw new global::System.NotImplementedException("The member TextPointer RichTextBlockOverflow.GetPositionFromPoint(Point point) is not implemented in Uno.");
}
public static global::Windows.Foundation.Rect FromPoints(global::Windows.Foundation.Point point1, global::Windows.Foundation.Point point2)
{
throw new global::System.NotImplementedException("The member Rect RectHelper.FromPoints(Point point1, Point point2) is not implemented in Uno.");
}
public static global::Windows.Foundation.Point Transform(global::Windows.UI.Xaml.Media.Matrix target, global::Windows.Foundation.Point point)
{
throw new global::System.NotImplementedException("The member Point MatrixHelper.Transform(Matrix target, Point point) is not implemented in Uno.");
}
public static global::Windows.Foundation.Rect FromLocationAndSize(global::Windows.Foundation.Point location, global::Windows.Foundation.Size size)
{
throw new global::System.NotImplementedException("The member Rect RectHelper.FromLocationAndSize(Point location, Size size) is not implemented in Uno.");
}
public void SetContentFromBitmapImage(global::Windows.UI.Xaml.Media.Imaging.BitmapImage bitmapImage, global::Windows.Foundation.Point anchorPoint)
{
global::Windows.Foundation.Metadata.ApiInformation.TryRaiseNotImplemented("Windows.UI.Xaml.DragUI", "void DragUI.SetContentFromBitmapImage(BitmapImage bitmapImage, Point anchorPoint)");
}
public static bool Contains(global::Windows.Foundation.Rect target, global::Windows.Foundation.Point point)
{
throw new global::System.NotImplementedException("The member bool RectHelper.Contains(Rect target, Point point) is not implemented in Uno.");
}
public global::Windows.Foundation.Point UndistortPoint(global::Windows.Foundation.Point input)
{
throw new global::System.NotImplementedException("The member Point CameraIntrinsics.UndistortPoint(Point input) is not implemented in Uno.");
}
public static global::Windows.Foundation.Rect Union(global::Windows.Foundation.Rect target, global::Windows.Foundation.Point point)
{
throw new global::System.NotImplementedException("The member Rect RectHelper.Union(Rect target, Point point) is not implemented in Uno.");
}
public global::Windows.Foundation.Rect SelectWithLine(global::Windows.Foundation.Point from, global::Windows.Foundation.Point to)
{
throw new global::System.NotImplementedException("The member Rect InkManager.SelectWithLine(Point from, Point to) is not implemented in Uno.");
}
public void SetContentFromSoftwareBitmap(global::Windows.Graphics.Imaging.SoftwareBitmap softwareBitmap, global::Windows.Foundation.Point anchorPoint)
{
global::Windows.Foundation.Metadata.ApiInformation.TryRaiseNotImplemented("Windows.ApplicationModel.DataTransfer.DragDrop.Core.CoreDragUIOverride", "void CoreDragUIOverride.SetContentFromSoftwareBitmap(SoftwareBitmap softwareBitmap, Point anchorPoint)");
}
public global::Windows.Foundation.Rect MoveSelected(global::Windows.Foundation.Point translation)
{
throw new global::System.NotImplementedException("The member Rect InkManager.MoveSelected(Point translation) is not implemented in Uno.");
}
public void ShowAt(global::Windows.UI.Xaml.UIElement targetElement, global::Windows.Foundation.Point point)
{
global::Windows.Foundation.Metadata.ApiInformation.TryRaiseNotImplemented("Windows.UI.Xaml.Controls.MenuFlyout", "void MenuFlyout.ShowAt(UIElement targetElement, Point point)");
}
public void GetInsertionIndexes(global::Windows.Foundation.Point position, out int first, out int second)
{
throw new global::System.NotImplementedException("The member void OrientedVirtualizingPanel.GetInsertionIndexes(Point position, out int first, out int second) is not implemented in Uno.");
}
protected virtual global::Windows.UI.Xaml.Automation.Peers.AutomationPeer GetPeerFromPointCore(global::Windows.Foundation.Point point)
{
throw new global::System.NotImplementedException("The member AutomationPeer AutomationPeer.GetPeerFromPointCore(Point point) is not implemented in Uno.");
}
