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.systemui.qs;
18 
19 import android.content.Context;
20 import android.content.res.ColorStateList;
21 import android.graphics.drawable.Drawable;
22 import com.android.systemui.qs.tileimpl.SlashImageView;
23 
24 
25 /**
26  * Creates AlphaControlledSlashImageView instead of SlashImageView
27  */
28 public class AlphaControlledSignalTileView extends SignalTileView {
AlphaControlledSignalTileView(Context context)29     public AlphaControlledSignalTileView(Context context) {
30         super(context);
31     }
32 
33     @Override
createSlashImageView(Context context)34     protected SlashImageView createSlashImageView(Context context) {
35         return new AlphaControlledSlashImageView(context);
36     }
37 
38     /**
39      * Creates AlphaControlledSlashDrawable instead of regular SlashDrawables
40      */
41     public static class AlphaControlledSlashImageView extends SlashImageView {
AlphaControlledSlashImageView(Context context)42         public AlphaControlledSlashImageView(Context context) {
43             super(context);
44         }
45 
setFinalImageTintList(ColorStateList tint)46         public void setFinalImageTintList(ColorStateList tint) {
47             super.setImageTintList(tint);
48             final SlashDrawable slash = getSlash();
49             if (slash != null) {
50                 ((AlphaControlledSlashDrawable)slash).setFinalTintList(tint);
51             }
52         }
53 
54         @Override
ensureSlashDrawable()55         protected void ensureSlashDrawable() {
56             if (getSlash() == null) {
57                 final SlashDrawable slash = new AlphaControlledSlashDrawable(getDrawable());
58                 setSlash(slash);
59                 slash.setAnimationEnabled(getAnimationEnabled());
60                 setImageViewDrawable(slash);
61             }
62         }
63     }
64 
65     /**
66      * SlashDrawable that disobeys orders to change its drawable's tint except when you tell
67      * it not to disobey. The slash still will animate its alpha.
68      */
69     public static class AlphaControlledSlashDrawable extends SlashDrawable {
AlphaControlledSlashDrawable(Drawable d)70         AlphaControlledSlashDrawable(Drawable d) {
71             super(d);
72         }
73 
74         @Override
setDrawableTintList(ColorStateList tint)75         protected void setDrawableTintList(ColorStateList tint) {
76         }
77 
78         /**
79          * Set a target tint list instead of
80          */
setFinalTintList(ColorStateList tint)81         public void setFinalTintList(ColorStateList tint) {
82             super.setDrawableTintList(tint);
83         }
84     }
85 }
86 
87