public static Icon getClassIcon(int flags, @NotNull PsiClass aClass, @Nullable Icon symbolIcon) {
Icon base = Iconable.LastComputedIcon.get(aClass, flags);
if (base == null) {
if (symbolIcon == null) {
symbolIcon =
ElementPresentationUtil.getClassIconOfKind(
aClass, ElementPresentationUtil.getBasicClassKind(aClass));
}
RowIcon baseIcon = ElementBase.createLayeredIcon(aClass, symbolIcon, 0);
base = ElementPresentationUtil.addVisibilityIcon(aClass, flags, baseIcon);
}
return IconDeferrer.getInstance()
.defer(base, new ClassIconRequest(aClass, flags, symbolIcon), FULL_ICON_EVALUATOR);
}
@Override
public Icon fun(ClassIconRequest r) {
if (!r.psiClass.isValid() || r.psiClass.getProject().isDisposed()) return null;
final boolean isLocked =
(r.flags & Iconable.ICON_FLAG_READ_STATUS) != 0 && !r.psiClass.isWritable();
Icon symbolIcon =
r.symbolIcon != null
? r.symbolIcon
: ElementPresentationUtil.getClassIconOfKind(
r.psiClass, ElementPresentationUtil.getClassKind(r.psiClass));
RowIcon baseIcon =
ElementPresentationUtil.createLayeredIcon(symbolIcon, r.psiClass, isLocked);
return ElementPresentationUtil.addVisibilityIcon(r.psiClass, r.flags, baseIcon);
}