001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.gui.history; 003 004import java.util.List; 005 006import org.openstreetmap.josm.data.osm.PrimitiveId; 007 008/** 009 * Change, or block, history requests. 010 * 011 * The HistoryHook may modify the requested primitive ids silently, it may display a 012 * warning message to the user or prevent the request altogether. 013 * @since 13947 014 */ 015public interface HistoryHook { 016 017 /** 018 * Modify the requested primitive ids before history request. 019 * The request is cancelled if the collection is cleared. 020 * Default implementation is to do no changes. 021 * @param ids The current ids to change 022 * @since 13948 023 */ 024 default void modifyRequestedIds(List<PrimitiveId> ids) { 025 } 026}