1 /*
2  * Copyright (C) 2013 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.keyguard;
18 
19 import android.content.Context;
20 import android.util.AttributeSet;
21 import android.view.MotionEvent;
22 import android.view.View;
23 
24 import com.android.systemui.R;
25 
26 public class EmergencyCarrierArea extends AlphaOptimizedLinearLayout {
27 
28     private CarrierText mCarrierText;
29     private EmergencyButton mEmergencyButton;
30 
EmergencyCarrierArea(Context context)31     public EmergencyCarrierArea(Context context) {
32         super(context);
33     }
34 
EmergencyCarrierArea(Context context, AttributeSet attrs)35     public EmergencyCarrierArea(Context context, AttributeSet attrs) {
36         super(context, attrs);
37     }
38 
39     @Override
onFinishInflate()40     protected void onFinishInflate() {
41         super.onFinishInflate();
42         mCarrierText = findViewById(R.id.carrier_text);
43         mEmergencyButton = findViewById(R.id.emergency_call_button);
44 
45         // The emergency button overlaps the carrier text, only noticeable when highlighted.
46         // So temporarily hide the carrier text while the emergency button is pressed.
47         mEmergencyButton.setOnTouchListener(new OnTouchListener(){
48             @Override
49             public boolean onTouch(View v, MotionEvent event) {
50                 if (mCarrierText.getVisibility() != View.VISIBLE) return false;
51                 switch(event.getAction()) {
52                     case MotionEvent.ACTION_DOWN:
53                         mCarrierText.animate().alpha(0);
54                         break;
55                     case MotionEvent.ACTION_UP:
56                         mCarrierText.animate().alpha(1);
57                         break;
58                 }
59                 return false;
60             }});
61     }
62 
setCarrierTextVisible(boolean visible)63     public void setCarrierTextVisible(boolean visible) {
64         mCarrierText.setVisibility(visible ? View.VISIBLE : View.GONE);
65     }
66 }
67