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.settings.widget;
18 
19 import android.content.Context;
20 import android.util.AttributeSet;
21 import android.widget.Switch;
22 
23 public class ToggleSwitch extends Switch {
24 
25     private ToggleSwitch.OnBeforeCheckedChangeListener mOnBeforeListener;
26 
27     public static interface OnBeforeCheckedChangeListener {
onBeforeCheckedChanged(ToggleSwitch toggleSwitch, boolean checked)28         public boolean onBeforeCheckedChanged(ToggleSwitch toggleSwitch, boolean checked);
29     }
30 
ToggleSwitch(Context context)31     public ToggleSwitch(Context context) {
32         super(context);
33     }
34 
ToggleSwitch(Context context, AttributeSet attrs)35     public ToggleSwitch(Context context, AttributeSet attrs) {
36         super(context, attrs);
37     }
38 
ToggleSwitch(Context context, AttributeSet attrs, int defStyleAttr)39     public ToggleSwitch(Context context, AttributeSet attrs, int defStyleAttr) {
40         super(context, attrs, defStyleAttr);
41     }
42 
ToggleSwitch(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)43     public ToggleSwitch(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
44         super(context, attrs, defStyleAttr, defStyleRes);
45     }
46 
setOnBeforeCheckedChangeListener(OnBeforeCheckedChangeListener listener)47     public void setOnBeforeCheckedChangeListener(OnBeforeCheckedChangeListener listener) {
48         mOnBeforeListener = listener;
49     }
50 
51     @Override
setChecked(boolean checked)52     public void setChecked(boolean checked) {
53         if (mOnBeforeListener != null
54                 && mOnBeforeListener.onBeforeCheckedChanged(this, checked)) {
55             return;
56         }
57         super.setChecked(checked);
58     }
59 
setCheckedInternal(boolean checked)60     public void setCheckedInternal(boolean checked) {
61         super.setChecked(checked);
62     }
63 }
64