/// <summary>
/// Marks that the node is dirty.
/// </summary>
protected void dirty()
{
if (!IsVirtual)
{
_yogaNode.MarkDirty();
}
}
public new void MarkDirty()
{
if (IsLeaf)
{
_node.MarkDirty();
}
}
public void dirtied_propagation()
{
var root = new YogaNode();
root.AlignItems = AlignType.FlexStart;
root.Width = 100;
root.Height = 100;
var root_child0 = new YogaNode();
root_child0.Width = 50;
root_child0.Height = 20;
root.Children.Add(root_child0);
var root_child1 = new YogaNode();
root_child1.Width = 50;
root_child1.Height = 20;
root.Children.Insert(1, root_child1);
root.Calc.CalculateLayout(float.NaN, float.NaN, DirectionType.LTR);
var dirtiedCount = 0;
root.Context = dirtiedCount;
root.DirtiedFunc = n => { dirtiedCount++; };
Assert.AreEqual(0, dirtiedCount);
// `_dirtied` MUST be called for the first time.
root_child0.MarkDirty();
Assert.AreEqual(1, dirtiedCount);
// `_dirtied` must NOT be called for the second time.
root_child0.MarkDirty();
Assert.AreEqual(1, dirtiedCount);
}
public override void OnVersionChanged(VisualElement ve, VersionChangeType versionChangeType)
{
bool flag = (versionChangeType & (VersionChangeType.Hierarchy | VersionChangeType.Layout)) == (VersionChangeType)0;
if (!flag)
{
bool flag2 = (versionChangeType & VersionChangeType.Hierarchy) != (VersionChangeType)0 && base.panel.duringLayoutPhase;
if (flag2)
{
throw new InvalidOperationException("Hierarchy change detected while computing layout, this is not supported.");
}
YogaNode yogaNode = ve.yogaNode;
bool flag3 = yogaNode != null && yogaNode.IsMeasureDefined;
if (flag3)
{
yogaNode.MarkDirty();
}
}
}
public void dirtied_hierarchy()
{
YogaNode root_child0;
YogaNode root_child1;
var root = new YogaNode
{
AlignItems = AlignType.FlexStart, Width = 100, Height = 100,
Children =
{
(root_child0 = new YogaNode {
Width = 50, Height = 20
}),
(root_child1 = new YogaNode {
Width = 50, Height = 20
})
}
};
root.Calc.CalculateLayout(float.NaN, float.NaN, DirectionType.LTR);
var dirtiedCount = 0;
root_child0.Context = dirtiedCount;
root_child0.DirtiedFunc = n => { dirtiedCount++; };
Assert.AreEqual(0, dirtiedCount);
// `_dirtied` must NOT be called for descendants.
root.MarkDirty();
Assert.AreEqual(0, dirtiedCount);
// `_dirtied` must NOT be called for the sibling node.
root_child1.MarkDirty();
Assert.AreEqual(0, dirtiedCount);
// `_dirtied` MUST be called in case of explicit dirtying.
root_child0.MarkDirty();
Assert.AreEqual(1, dirtiedCount);
}
void ILayoutController.SetLayoutHorizontal()
{
Layout.MarkDirty();
Context.scheduleLayout();
}