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.support.v7.preference.PreferenceViewHolder; 21 import android.util.AttributeSet; 22 import android.view.View; 23 import android.view.View.OnClickListener; 24 import android.widget.Switch; 25 26 import com.android.settings.R; 27 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin; 28 import com.android.settingslib.TwoTargetPreference; 29 30 /** 31 * A custom preference that provides inline switch toggle. It has a mandatory field for title, and 32 * optional fields for icon and sub-text. 33 */ 34 public class MasterSwitchPreference extends TwoTargetPreference { 35 36 private Switch mSwitch; 37 private boolean mChecked; 38 private boolean mEnableSwitch = true; 39 MasterSwitchPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)40 public MasterSwitchPreference(Context context, AttributeSet attrs, 41 int defStyleAttr, int defStyleRes) { 42 super(context, attrs, defStyleAttr, defStyleRes); 43 } 44 MasterSwitchPreference(Context context, AttributeSet attrs, int defStyleAttr)45 public MasterSwitchPreference(Context context, AttributeSet attrs, int defStyleAttr) { 46 super(context, attrs, defStyleAttr); 47 } 48 MasterSwitchPreference(Context context, AttributeSet attrs)49 public MasterSwitchPreference(Context context, AttributeSet attrs) { 50 super(context, attrs); 51 } 52 MasterSwitchPreference(Context context)53 public MasterSwitchPreference(Context context) { 54 super(context); 55 } 56 57 @Override getSecondTargetResId()58 protected int getSecondTargetResId() { 59 return R.layout.preference_widget_master_switch; 60 } 61 62 @Override onBindViewHolder(PreferenceViewHolder holder)63 public void onBindViewHolder(PreferenceViewHolder holder) { 64 super.onBindViewHolder(holder); 65 final View widgetView = holder.findViewById(android.R.id.widget_frame); 66 if (widgetView != null) { 67 widgetView.setOnClickListener(new OnClickListener() { 68 @Override 69 public void onClick(View v) { 70 if (mSwitch != null && !mSwitch.isEnabled()) { 71 return; 72 } 73 setChecked(!mChecked); 74 if (!callChangeListener(mChecked)) { 75 setChecked(!mChecked); 76 } else { 77 persistBoolean(mChecked); 78 } 79 } 80 }); 81 } 82 83 mSwitch = (Switch) holder.findViewById(R.id.switchWidget); 84 if (mSwitch != null) { 85 mSwitch.setContentDescription(getTitle()); 86 mSwitch.setChecked(mChecked); 87 mSwitch.setEnabled(mEnableSwitch); 88 } 89 } 90 isChecked()91 public boolean isChecked() { 92 return mSwitch != null && mChecked; 93 } 94 setChecked(boolean checked)95 public void setChecked(boolean checked) { 96 mChecked = checked; 97 if (mSwitch != null) { 98 mSwitch.setChecked(checked); 99 } 100 } 101 setSwitchEnabled(boolean enabled)102 public void setSwitchEnabled(boolean enabled) { 103 mEnableSwitch = enabled; 104 if (mSwitch != null) { 105 mSwitch.setEnabled(enabled); 106 } 107 } 108 109 /** 110 * If admin is not null, disables the switch. 111 * Otherwise, keep it enabled. 112 */ setDisabledByAdmin(EnforcedAdmin admin)113 public void setDisabledByAdmin(EnforcedAdmin admin) { 114 setSwitchEnabled(admin == null); 115 } 116 getSwitch()117 public Switch getSwitch() { 118 return mSwitch; 119 } 120 } 121