1/*
2 * Copyright (C) 2016 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
17package com.android.documentsui.dirlist;
18
19import android.view.DragEvent;
20import android.view.View;
21
22import com.android.documentsui.DragAndDropManager;
23import com.android.documentsui.ItemDragListener;
24
25import java.util.TimerTask;
26
27import javax.annotation.Nullable;
28
29class DirectoryDragListener extends ItemDragListener<DragHost<?>> {
30
31
32    DirectoryDragListener(com.android.documentsui.dirlist.DragHost<?> host) {
33        super(host);
34    }
35
36    @Override
37    public boolean onDrag(View v, DragEvent event) {
38        final boolean result = super.onDrag(v, event);
39
40        switch (event.getAction()) {
41            case DragEvent.ACTION_DRAG_ENDED:
42                // getResult() is true if drag was accepted
43                mDragHost.dragStopped(event.getResult());
44                break;
45            default:
46                break;
47        }
48
49        return result;
50    }
51
52    @Override
53    public boolean handleDropEventChecked(View v, DragEvent event) {
54        return mDragHost.handleDropEvent(v, event);
55    }
56
57    @Override
58    public @Nullable TimerTask createOpenTask(final View v, DragEvent event) {
59        return mDragHost.canSpringOpen(v)
60                ? super.createOpenTask(v, event) : null;
61    }
62}