/// <summary>
/// Handles the camera availability.
/// </summary>
/// <param name="sender">Sender.</param>
/// <param name="available">If set to <c>true</c> available.</param>
public void HandleCameraAvailability(object sender, bool available)
{
_model.CanCapture = available;
if (available)
{
_model.CameraLoading = false;
// wait until camera is available before animating focus target, we have to invoke on UI thread as this is run asynchronously
Device.BeginInvokeOnMainThread(() =>
{
// set starting list opacity based on orientation
var orientation = (Height > Width) ? Orientation.Portrait : Orientation.LandscapeLeft;
// set starting orientation
HandleOrientationChange(null, orientation);
// these bindings are created after page intitalizes
PhotoEditLayout.SetBinding(VisualElement.IsVisibleProperty, new Binding("PhotoEditOn"));
// camera button layouts
CameraButtonContainerLandscape.SetBinding(VisualElement.OpacityProperty, new Binding("PageOrientation", converter: new OrientationToDoubleConverter(), converterParameter: "1, 1"));
CameraButtonContainerLandscape.SetBinding(VisualElement.IsVisibleProperty, new Binding("PageOrientation", converter: new OrientationToBoolConverter(), converterParameter: "true, false"));
CameraButtonContainerPortrait.SetBinding(VisualElement.OpacityProperty, new Binding("PageOrientation", converter: new OrientationToDoubleConverter(), converterParameter: "0, 1"));
CameraButtonContainerPortrait.SetBinding(VisualElement.IsVisibleProperty, new Binding("PageOrientation", converter: new OrientationToBoolConverter(), converterParameter: "false, true"));
FocusView.Reset();
});
}
}
/// <summary>
/// Handles the orientation change.
/// </summary>
/// <param name="sender">Sender.</param>
/// <param name="arg">Argument.</param>
public void HandleOrientationChange(object sender, Orientation arg)
{
FocusView.Orientation = CameraView.Orientation = OrientationPage.PageOrientation = _model.PageOrientation = arg;
// bindings will not work with column width properties so we have to perform this manually
switch (PageOrientation)
{
case Orientation.LandscapeLeft:
case Orientation.LandscapeRight:
MainLayout.ColumnDefinitions[5].Width = new GridLength(CAMERA_BUTTON_CONTAINER_WIDTH,
GridUnitType.Absolute);
break;
case Orientation.Portrait:
MainLayout.ColumnDefinitions[4].Width = new GridLength(CAMERA_BUTTON_CONTAINER_WIDTH,
GridUnitType.Absolute);
break;
}
if (_model.CanCapture)
{
FocusView.Reset();
}
CameraView.NotifyOrientationChange(arg);
}