private void ApplyUpdatesRecursive(
ReactShadowNode cssNode,
float absoluteX,
float absoluteY)
{
cssNode.BeforeDispatchUpdatesToDescendants();
if (!cssNode.HasUpdates)
{
return;
}
if (!cssNode.IsVirtualAnchor)
{
for (var i = 0; i < cssNode.ChildCount; ++i)
{
ApplyUpdatesRecursive(
cssNode.GetChildAt(i),
absoluteX + cssNode.LayoutX,
absoluteY + cssNode.LayoutY);
}
}
var tag = cssNode.ReactTag;
if (!_shadowNodeRegistry.IsRootNode(tag))
{
var frameDidChange = cssNode.DispatchUpdates(
absoluteX,
absoluteY,
_operationsQueue,
_nativeViewHierarchyOptimizer);
if (frameDidChange && cssNode.ShouldNotifyOnLayout)
{
// Dispatch event from non-layout thread to avoid queueing
// main dispatcher callbacks from the layout thread
var task = Task.Run(() =>
_eventDispatcher.DispatchEvent(
OnLayoutEvent.Obtain(
tag,
cssNode.ScreenX,
cssNode.ScreenY,
cssNode.ScreenWidth,
cssNode.ScreenHeight)));
}
}
cssNode.MarkUpdateSeen();
}
private void ApplyUpdatesRecursive(
ReactShadowNode cssNode,
double absoluteX,
double absoluteY,
EventDispatcher eventDispatcher)
{
if (!cssNode.HasUpdates)
{
return;
}
if (!cssNode.IsVirtualAnchor)
{
for (var i = 0; i < cssNode.ChildCount; ++i)
{
ApplyUpdatesRecursive(
cssNode.GetChildAt(i),
absoluteX + cssNode.LayoutX,
absoluteY + cssNode.LayoutY,
eventDispatcher);
}
}
var tag = cssNode.ReactTag;
if (!_shadowNodeRegistry.IsRootNode(tag))
{
cssNode.DispatchUpdates(
absoluteX,
absoluteY,
_operationsQueue,
_nativeViewHierarchyOptimizer);
if (cssNode.ShouldNotifyOnLayout)
{
eventDispatcher.DispatchEvent(
OnLayoutEvent.Obtain(
tag,
cssNode.ScreenX,
cssNode.ScreenY,
cssNode.ScreenWidth,
cssNode.ScreenHeight));
}
}
cssNode.MarkUpdateSeen();
}
private void ApplyUpdatesRecursive(
ReactShadowNode cssNode,
float absoluteX,
float absoluteY)
{
if (!cssNode.HasUpdates)
{
return;
}
if (!cssNode.IsVirtualAnchor)
{
for (var i = 0; i < cssNode.ChildCount; ++i)
{
ApplyUpdatesRecursive(
cssNode.GetChildAt(i),
absoluteX + cssNode.LayoutX,
absoluteY + cssNode.LayoutY);
}
}
var tag = cssNode.ReactTag;
if (!_shadowNodeRegistry.IsRootNode(tag))
{
cssNode.DispatchUpdates(
absoluteX,
absoluteY,
_operationsQueue,
_nativeViewHierarchyOptimizer);
if (cssNode.ShouldNotifyOnLayout)
{
Log.Info(ReactConstants.Tag, $"ShouldNotifyOnLayout: tag:[{tag}], X:{cssNode.LayoutX}, Y:{cssNode.LayoutY}, Width:{cssNode.LayoutWidth}, Height:{cssNode.LayoutHeight}");
_eventDispatcher.DispatchEvent(
OnLayoutEvent.Obtain(
tag,
cssNode.ScreenX,
cssNode.ScreenY,
cssNode.ScreenWidth,
cssNode.ScreenHeight));
}
}
cssNode.MarkUpdateSeen();
}