private void BuildRingForScopeRecursive(VisualElement ve, ref int scopeIndex, List <VisualElementFocusRing.FocusRingRecord> scopeList)
{
int childCount = ve.hierarchy.childCount;
for (int i = 0; i < childCount; i++)
{
VisualElement visualElement = ve.hierarchy[i];
bool flag = visualElement.parent != null && visualElement == visualElement.parent.contentContainer;
bool flag2 = visualElement.isCompositeRoot | flag;
if (flag2)
{
VisualElementFocusRing.FocusRingRecord expr_58 = new VisualElementFocusRing.FocusRingRecord();
int num = scopeIndex;
scopeIndex = num + 1;
expr_58.m_AutoIndex = num;
expr_58.m_Focusable = visualElement;
expr_58.m_IsSlot = flag;
expr_58.m_ScopeNavigationOrder = new List <VisualElementFocusRing.FocusRingRecord>();
VisualElementFocusRing.FocusRingRecord focusRingRecord = expr_58;
scopeList.Add(focusRingRecord);
int num2 = 0;
this.BuildRingForScopeRecursive(visualElement, ref num2, focusRingRecord.m_ScopeNavigationOrder);
}
else
{
bool flag3 = visualElement.canGrabFocus && visualElement.tabIndex >= 0;
if (flag3)
{
VisualElementFocusRing.FocusRingRecord expr_CB = new VisualElementFocusRing.FocusRingRecord();
int num = scopeIndex;
scopeIndex = num + 1;
expr_CB.m_AutoIndex = num;
expr_CB.m_Focusable = visualElement;
expr_CB.m_IsSlot = false;
expr_CB.m_ScopeNavigationOrder = null;
scopeList.Add(expr_CB);
}
this.BuildRingForScopeRecursive(visualElement, ref scopeIndex, scopeList);
}
}
}
private int FocusRingSort(VisualElementFocusRing.FocusRingRecord a, VisualElementFocusRing.FocusRingRecord b)
{
bool flag = a.m_Focusable.tabIndex == 0 && b.m_Focusable.tabIndex == 0;
int result;
if (flag)
{
result = this.FocusRingAutoIndexSort(a, b);
}
else
{
bool flag2 = a.m_Focusable.tabIndex == 0;
if (flag2)
{
result = 1;
}
else
{
bool flag3 = b.m_Focusable.tabIndex == 0;
if (flag3)
{
result = -1;
}
else
{
int num = Comparer <int> .Default.Compare(a.m_Focusable.tabIndex, b.m_Focusable.tabIndex);
bool flag4 = num == 0;
if (flag4)
{
num = this.FocusRingAutoIndexSort(a, b);
}
result = num;
}
}
}
return(result);
}
private int FocusRingAutoIndexSort(VisualElementFocusRing.FocusRingRecord a, VisualElementFocusRing.FocusRingRecord b)
{
switch (this.defaultFocusOrder)
{
case VisualElementFocusRing.DefaultFocusOrder.ChildOrder:
{
IL_1E:
int result = Comparer <int> .Default.Compare(a.m_AutoIndex, b.m_AutoIndex);
return(result);
}
case VisualElementFocusRing.DefaultFocusOrder.PositionXY:
{
VisualElement visualElement = a.m_Focusable as VisualElement;
VisualElement visualElement2 = b.m_Focusable as VisualElement;
bool flag = visualElement != null && visualElement2 != null;
int result;
if (flag)
{
bool flag2 = visualElement.layout.position.x < visualElement2.layout.position.x;
if (flag2)
{
result = -1;
return(result);
}
bool flag3 = visualElement.layout.position.x > visualElement2.layout.position.x;
if (flag3)
{
result = 1;
return(result);
}
bool flag4 = visualElement.layout.position.y < visualElement2.layout.position.y;
if (flag4)
{
result = -1;
return(result);
}
bool flag5 = visualElement.layout.position.y > visualElement2.layout.position.y;
if (flag5)
{
result = 1;
return(result);
}
}
result = Comparer <int> .Default.Compare(a.m_AutoIndex, b.m_AutoIndex);
return(result);
}
case VisualElementFocusRing.DefaultFocusOrder.PositionYX:
{
VisualElement visualElement3 = a.m_Focusable as VisualElement;
VisualElement visualElement4 = b.m_Focusable as VisualElement;
bool flag6 = visualElement3 != null && visualElement4 != null;
int result;
if (flag6)
{
bool flag7 = visualElement3.layout.position.y < visualElement4.layout.position.y;
if (flag7)
{
result = -1;
return(result);
}
bool flag8 = visualElement3.layout.position.y > visualElement4.layout.position.y;
if (flag8)
{
result = 1;
return(result);
}
bool flag9 = visualElement3.layout.position.x < visualElement4.layout.position.x;
if (flag9)
{
result = -1;
return(result);
}
bool flag10 = visualElement3.layout.position.x > visualElement4.layout.position.x;
if (flag10)
{
result = 1;
return(result);
}
}
result = Comparer <int> .Default.Compare(a.m_AutoIndex, b.m_AutoIndex);
return(result);
}
}
goto IL_1E;
}