1/* 2 * Copyright (C) 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17import {DraggableCanvasObject} from './draggable_canvas_object'; 18 19export type DragListener = (x: number, y: number) => void; 20export type DropListener = DragListener; 21 22export interface CanvasMouseHandler { 23 registerDraggableObject( 24 draggableObject: DraggableCanvasObject, 25 onDrag: DragListener, 26 onDrop: DropListener, 27 ): void; 28 29 notifyDrawnOnTop(draggableObject: DraggableCanvasObject): void; 30} 31