public static Icon getIcon(
@NotNull final VirtualFile file,
@Iconable.IconFlags final int flags,
@Nullable final Project project) {
Icon lastIcon = Iconable.LastComputedIcon.get(file, flags);
final Icon base = lastIcon != null ? lastIcon : VirtualFilePresentation.getIconImpl(file);
return IconDeferrer.getInstance()
.defer(base, new FileIconKey(file, project, flags), ICON_NULLABLE_FUNCTION);
}
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);
}