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
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/*
* Copyright (C) 2019 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.systemui.util;
import android.content.Context;
import android.text.TextUtils;
import android.util.AttributeSet;
/**
* TextView that changes its ellipsize value with its visibility.
*
* The View responds to changes in user-visibility to change its ellipsize from MARQUEE to END
* and back. Useful for TextView that need to marquee forever.
*/
public class AutoMarqueeTextView extends SafeMarqueeTextView {
private boolean mAggregatedVisible = false;
public AutoMarqueeTextView(Context context) {
super(context);
}
public AutoMarqueeTextView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public AutoMarqueeTextView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
public AutoMarqueeTextView(Context context, AttributeSet attrs, int defStyleAttr,
int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
}
@Override
protected void onFinishInflate() {
onVisibilityAggregated(isVisibleToUser());
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
setSelected(true);
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
setSelected(false);
}
@Override
public void onVisibilityAggregated(boolean isVisible) {
super.onVisibilityAggregated(isVisible);
if (isVisible == mAggregatedVisible) return;
mAggregatedVisible = isVisible;
if (mAggregatedVisible) {
setEllipsize(TextUtils.TruncateAt.MARQUEE);
} else {
setEllipsize(TextUtils.TruncateAt.END);
}
}
}
|