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 17 package com.android.wm.shell.windowdecor; 18 19 /** 20 * Holds the state of a drag resize. 21 */ 22 public interface TaskDragResizer { 23 24 /** 25 * Returns true if task is currently being resized or animating the final transition after 26 * a resize is complete. 27 */ isResizingOrAnimating()28 boolean isResizingOrAnimating(); 29 30 /** 31 * Adds a drag start listener to be notified of drag start events. 32 * 33 * @param dragEventListener Listener to be added. 34 */ addDragEventListener(DragPositioningCallbackUtility.DragEventListener dragEventListener)35 void addDragEventListener(DragPositioningCallbackUtility.DragEventListener dragEventListener); 36 37 /** 38 * Removes a drag start listener from the listener set. 39 * 40 * @param dragEventListener Listener to be removed. 41 */ removeDragEventListener( DragPositioningCallbackUtility.DragEventListener dragEventListener)42 void removeDragEventListener( 43 DragPositioningCallbackUtility.DragEventListener dragEventListener); 44 45 /** 46 * Releases any resources associated with this TaskDragResizer. This should be called when the 47 * associated window is closed. 48 */ close()49 void close(); 50 } 51