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.settings.widget; 18 19 import android.content.Context; 20 import android.util.AttributeSet; 21 import android.view.View; 22 import android.view.View.OnClickListener; 23 import android.widget.Switch; 24 25 import androidx.preference.PreferenceViewHolder; 26 27 import com.android.settings.R; 28 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin; 29 import com.android.settingslib.TwoTargetPreference; 30 31 /** 32 * A custom preference that provides inline switch toggle. It has a mandatory field for title, and 33 * optional fields for icon and sub-text. 34 */ 35 public class MasterSwitchPreference extends TwoTargetPreference { 36 37 private Switch mSwitch; 38 private boolean mChecked; 39 private boolean mEnableSwitch = true; 40 MasterSwitchPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)41 public MasterSwitchPreference(Context context, AttributeSet attrs, 42 int defStyleAttr, int defStyleRes) { 43 super(context, attrs, defStyleAttr, defStyleRes); 44 } 45 MasterSwitchPreference(Context context, AttributeSet attrs, int defStyleAttr)46 public MasterSwitchPreference(Context context, AttributeSet attrs, int defStyleAttr) { 47 super(context, attrs, defStyleAttr); 48 } 49 MasterSwitchPreference(Context context, AttributeSet attrs)50 public MasterSwitchPreference(Context context, AttributeSet attrs) { 51 super(context, attrs); 52 } 53 MasterSwitchPreference(Context context)54 public MasterSwitchPreference(Context context) { 55 super(context); 56 } 57 58 @Override getSecondTargetResId()59 protected int getSecondTargetResId() { 60 return R.layout.preference_widget_master_switch; 61 } 62 63 @Override onBindViewHolder(PreferenceViewHolder holder)64 public void onBindViewHolder(PreferenceViewHolder holder) { 65 super.onBindViewHolder(holder); 66 final View widgetView = holder.findViewById(android.R.id.widget_frame); 67 if (widgetView != null) { 68 widgetView.setOnClickListener(new OnClickListener() { 69 @Override 70 public void onClick(View v) { 71 if (mSwitch != null && !mSwitch.isEnabled()) { 72 return; 73 } 74 setChecked(!mChecked); 75 if (!callChangeListener(mChecked)) { 76 setChecked(!mChecked); 77 } else { 78 persistBoolean(mChecked); 79 } 80 } 81 }); 82 } 83 84 mSwitch = (Switch) holder.findViewById(R.id.switchWidget); 85 if (mSwitch != null) { 86 mSwitch.setContentDescription(getTitle()); 87 mSwitch.setChecked(mChecked); 88 mSwitch.setEnabled(mEnableSwitch); 89 } 90 } 91 isChecked()92 public boolean isChecked() { 93 return mSwitch != null && mChecked; 94 } 95 setChecked(boolean checked)96 public void setChecked(boolean checked) { 97 mChecked = checked; 98 if (mSwitch != null) { 99 mSwitch.setChecked(checked); 100 } 101 } 102 setSwitchEnabled(boolean enabled)103 public void setSwitchEnabled(boolean enabled) { 104 mEnableSwitch = enabled; 105 if (mSwitch != null) { 106 mSwitch.setEnabled(enabled); 107 } 108 } 109 110 /** 111 * If admin is not null, disables the switch. 112 * Otherwise, keep it enabled. 113 */ setDisabledByAdmin(EnforcedAdmin admin)114 public void setDisabledByAdmin(EnforcedAdmin admin) { 115 setSwitchEnabled(admin == null); 116 } 117 getSwitch()118 public Switch getSwitch() { 119 return mSwitch; 120 } 121 } 122