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 
17 package com.android.internal.widget;
18 
19 import android.annotation.Nullable;
20 import android.content.Context;
21 import android.graphics.Rect;
22 import android.util.AttributeSet;
23 import android.view.RemotableViewMethod;
24 import android.view.accessibility.AccessibilityNodeInfo;
25 import android.widget.Button;
26 import android.widget.ImageView;
27 import android.widget.RemoteViews;
28 
29 /**
30  * An expand button in a notification
31  */
32 @RemoteViews.RemoteView
33 public class NotificationExpandButton extends ImageView {
34 
35     private int mOriginalNotificationColor;
36 
NotificationExpandButton(Context context)37     public NotificationExpandButton(Context context) {
38         super(context);
39     }
40 
NotificationExpandButton(Context context, @Nullable AttributeSet attrs)41     public NotificationExpandButton(Context context, @Nullable AttributeSet attrs) {
42         super(context, attrs);
43     }
44 
NotificationExpandButton(Context context, @Nullable AttributeSet attrs, int defStyleAttr)45     public NotificationExpandButton(Context context, @Nullable AttributeSet attrs,
46             int defStyleAttr) {
47         super(context, attrs, defStyleAttr);
48     }
49 
NotificationExpandButton(Context context, @Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes)50     public NotificationExpandButton(Context context, @Nullable AttributeSet attrs, int defStyleAttr,
51             int defStyleRes) {
52         super(context, attrs, defStyleAttr, defStyleRes);
53     }
54 
55     @Override
getBoundsOnScreen(Rect outRect, boolean clipToParent)56     public void getBoundsOnScreen(Rect outRect, boolean clipToParent) {
57         super.getBoundsOnScreen(outRect, clipToParent);
58         extendRectToMinTouchSize(outRect);
59     }
60 
61     @RemotableViewMethod
setOriginalNotificationColor(int color)62     public void setOriginalNotificationColor(int color) {
63         mOriginalNotificationColor = color;
64     }
65 
getOriginalNotificationColor()66     public int getOriginalNotificationColor() {
67         return mOriginalNotificationColor;
68     }
69 
extendRectToMinTouchSize(Rect rect)70     private void extendRectToMinTouchSize(Rect rect) {
71         int touchTargetSize = (int) (getResources().getDisplayMetrics().density * 48);
72         rect.left = rect.centerX() - touchTargetSize / 2;
73         rect.right = rect.left + touchTargetSize;
74         rect.top = rect.centerY() - touchTargetSize / 2;
75         rect.bottom = rect.top + touchTargetSize;
76     }
77 
78     @Override
onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info)79     public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
80         super.onInitializeAccessibilityNodeInfo(info);
81         info.setClassName(Button.class.getName());
82     }
83 }
84