blob: f448b873b780f326d8813864336698b2f67e4dc4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.messaging.ui.mediapicker;
import android.content.Context;
import android.util.AttributeSet;
import android.widget.GridView;
import android.widget.ListView;
public class MediaPickerListView extends ListView {
public MediaPickerListView(final Context context, final AttributeSet attrs) {
super(context, attrs);
}
/**
* Returns if the list view can be swiped down further. It cannot be swiped down
* if there's no item or if we are already at the top.
*/
public boolean canSwipeDown() {
if (getAdapter() == null || getAdapter().getCount() == 0 || getChildCount() == 0) {
return false;
}
final int firstVisiblePosition = getFirstVisiblePosition();
if (firstVisiblePosition == 0 && getChildAt(0).getTop() >= 0) {
return false;
}
return true;
}
}
|