1 /*
2  * Copyright 2019 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.google.android.setupcompat.template;
18 
19 import android.annotation.SuppressLint;
20 import android.content.Context;
21 import androidx.annotation.Nullable;
22 import android.util.AttributeSet;
23 import android.view.MotionEvent;
24 import android.view.View;
25 import android.widget.Button;
26 
27 /** Button that can react to touch when disabled. */
28 public class FooterActionButton extends Button {
29 
30   @Nullable private FooterButton footerButton;
31 
FooterActionButton(Context context, AttributeSet attrs)32   public FooterActionButton(Context context, AttributeSet attrs) {
33     super(context, attrs);
34   }
35 
setFooterButton(FooterButton footerButton)36   void setFooterButton(FooterButton footerButton) {
37     this.footerButton = footerButton;
38   }
39 
40   // getOnClickListenerWhenDisabled is responsible for handling accessibility correctly, calling
41   // performClick if necessary.
42   @SuppressLint("ClickableViewAccessibility")
43   @Override
onTouchEvent(MotionEvent event)44   public boolean onTouchEvent(MotionEvent event) {
45     if (event.getAction() == MotionEvent.ACTION_DOWN) {
46       if (footerButton != null
47           && !footerButton.isEnabled()
48           && footerButton.getVisibility() == View.VISIBLE) {
49         OnClickListener listener = footerButton.getOnClickListenerWhenDisabled();
50         if (listener != null) {
51           listener.onClick(this);
52         }
53       }
54     }
55     return super.onTouchEvent(event);
56   }
57 }
58