internal void SetCoreBounds(UIKit.UIWindow keyWindow, Foundation.Rect windowBounds)
{
var statusBarHeight = UIApplication.SharedApplication.StatusBarFrame.Size.Height;
UIEdgeInsets inset = new UIEdgeInsets(statusBarHeight, 0, 0, 0);
// Not respecting its own documentation. https://developer.apple.com/documentation/uikit/uiview/2891103-safeareainsets?language=objc
// iOS returns all zeros for SafeAreaInsets on non-iPhoneX phones. (ignoring nav bars or status bars)
// For that reason, we will set the window's visible bounds to the SafeAreaInsets only for iPhones with notches,
// other phones will have insets that consider the status bar
if (UseSafeAreaInsets)
{
if (keyWindow.SafeAreaInsets != UIEdgeInsets.Zero) // if we have a notch
{
inset = keyWindow.SafeAreaInsets;
}
}
VisibleBounds = new Foundation.Rect(
x: windowBounds.Left + inset.Left,
y: windowBounds.Top + inset.Top,
width: windowBounds.Width - inset.Right - inset.Left,
height: windowBounds.Height - inset.Top - inset.Bottom
);
if (this.Log().IsEnabled(Microsoft.Extensions.Logging.LogLevel.Debug))
{
this.Log().Debug($"Updated visible bounds {VisibleBounds}, SafeAreaInsets: {inset}");
}
VisibleBoundsChanged?.Invoke(this, null);
}
internal void SetVisibleBounds(UIKit.UIWindow keyWindow, Foundation.Rect windowBounds)
{
var inset = UseSafeAreaInsets
? keyWindow.SafeAreaInsets
: UIEdgeInsets.Zero;
// Not respecting its own documentation. https://developer.apple.com/documentation/uikit/uiview/2891103-safeareainsets?language=objc
// iOS returns all zeros for SafeAreaInsets on non-iPhones and iOS11. (ignoring nav bars or status bars)
// So we need to update the top inset depending of the status bar visibilty on other devices
var statusBarHeight = UIApplication.SharedApplication.StatusBarHidden
? 0
: UIApplication.SharedApplication.StatusBarFrame.Size.Height;
inset.Top = (nfloat)Math.Max(inset.Top, statusBarHeight);
var newVisibleBounds = new Foundation.Rect(
x: windowBounds.Left + inset.Left,
y: windowBounds.Top + inset.Top,
width: windowBounds.Width - inset.Right - inset.Left,
height: windowBounds.Height - inset.Top - inset.Bottom
);
if (VisibleBounds != newVisibleBounds)
{
VisibleBounds = newVisibleBounds;
if (this.Log().IsEnabled(Microsoft.Extensions.Logging.LogLevel.Debug))
{
this.Log().Debug($"Updated visible bounds {VisibleBounds}, SafeAreaInsets: {inset}");
}
VisibleBoundsChanged?.Invoke(this, null);
}
}
/// <summary>
/// Determines the bounds of the provided view, including the <see cref="UIElement.Clip"/>, using the window coordinate system.
/// </summary>
private static CGRect GetBounds(_Window window, _View view)
{
CGRect?finalRect = null;
while (view != null)
{
if (view is _ScrollView)
{
// We don't support ScrollViewer clipping, because detecting
// the scrolling position and adjusting it makes it for unreliable
// calculations, for now.
view = view.Superview;
}
else
{
#if __MACOS__
var viewOnScreen = view.ConvertRectToView(view.Bounds, window.ContentView);
#else
var viewOnScreen = view.ConvertRectToView(view.Bounds, window);
#endif
var element = view as FrameworkElement;
if (element?.Clip != null)
{
var clip = element.Clip.Rect.ToCGRect();
// Offset the local clip bounds to get the clip bounds on screen
clip.Offset(viewOnScreen.X, viewOnScreen.Y);
viewOnScreen.Intersect(clip);
}
if (finalRect == null)
{
finalRect = viewOnScreen;
}
var r2 = finalRect.Value;
r2.Intersect(viewOnScreen);
finalRect = r2;
view = view.Superview;
}
}
return(finalRect.Value);
}
internal void SetVisibleBounds(UIKit.UIWindow keyWindow, Foundation.Rect windowBounds)
{
var inset = UseSafeAreaInsets
? keyWindow.SafeAreaInsets
: UIEdgeInsets.Zero;
// Not respecting its own documentation. https://developer.apple.com/documentation/uikit/uiview/2891103-safeareainsets?language=objc
// iOS returns all zeros for SafeAreaInsets on non-iPhones and iOS11. (ignoring nav bars or status bars)
// So we need to update the top inset depending of the status bar visibility on other devices
var statusBarHeight = UIApplication.SharedApplication.StatusBarHidden
? 0
: UIApplication.SharedApplication.StatusBarFrame.Size.Height;
inset.Top = (nfloat)Math.Max(inset.Top, statusBarHeight);
var newVisibleBounds = new Foundation.Rect(
x: windowBounds.Left + inset.Left,
y: windowBounds.Top + inset.Top,
width: windowBounds.Width - inset.Right - inset.Left,
height: windowBounds.Height - inset.Top - inset.Bottom
);
SetVisibleBounds(newVisibleBounds);
}