1 /* 2 * Copyright (C) 2017 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.documentsui; 18 19 import androidx.annotation.CallSuper; 20 import android.view.View; 21 22 import com.android.documentsui.services.FileOperationService; 23 24 /** 25 * Provides common functionality for a {@link ItemDragListener.DragHost}. 26 */ 27 public abstract class AbstractDragHost implements ItemDragListener.DragHost { 28 29 protected DragAndDropManager mDragAndDropManager; 30 AbstractDragHost(DragAndDropManager dragAndDropManager)31 public AbstractDragHost(DragAndDropManager dragAndDropManager) { 32 mDragAndDropManager = dragAndDropManager; 33 } 34 35 @CallSuper 36 @Override onDragExited(View v)37 public void onDragExited(View v) { 38 mDragAndDropManager.resetState(v); 39 } 40 41 @CallSuper 42 @Override onDragEnded()43 public void onDragEnded() { 44 mDragAndDropManager.dragEnded(); 45 } 46 } 47