1 /* 2 * Copyright (C) 2016 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.phone; 18 19 import android.content.Context; 20 import android.os.UserHandle; 21 import android.os.UserManager; 22 import android.preference.PreferenceScreen; 23 import android.preference.SwitchPreference; 24 import android.util.AttributeSet; 25 import android.view.View; 26 import android.widget.TextView; 27 28 import com.android.settingslib.RestrictedLockUtils; 29 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin; 30 31 public class RestrictedSwitchPreference extends SwitchPreference { 32 private final Context mContext; 33 private boolean mDisabledByAdmin; 34 private final int mSwitchWidgetResId; 35 36 public RestrictedSwitchPreference(Context context, AttributeSet attrs, int defStyleAttr, 37 int defStyleRes) { 38 super(context, attrs, defStyleAttr, defStyleRes); 39 mSwitchWidgetResId = getWidgetLayoutResource(); 40 mContext = context; 41 } 42 43 public RestrictedSwitchPreference(Context context, AttributeSet attrs, int defStyleAttr) { 44 this(context, attrs, defStyleAttr, 0); 45 } 46 47 public RestrictedSwitchPreference(Context context, AttributeSet attrs) { 48 this(context, attrs, com.android.internal.R.attr.switchPreferenceStyle); 49 } 50 51 public RestrictedSwitchPreference(Context context) { 52 this(context, null); 53 } 54 55 @Override 56 public void onBindView(View view) { 57 super.onBindView(view); 58 if (mDisabledByAdmin) { 59 view.setEnabled(true); 60 } 61 final TextView summaryView = (TextView) view.findViewById(android.R.id.summary); 62 if (summaryView != null && mDisabledByAdmin) { 63 summaryView.setText( 64 isChecked() ? R.string.enabled_by_admin : R.string.disabled_by_admin); 65 summaryView.setVisibility(View.VISIBLE); 66 } 67 } 68 69 public void checkRestrictionAndSetDisabled(String userRestriction) { 70 UserManager um = UserManager.get(mContext); 71 UserHandle user = UserHandle.of(um.getUserHandle()); 72 boolean disabledByAdmin = um.hasUserRestriction(userRestriction, user) 73 && !um.hasBaseUserRestriction(userRestriction, user); 74 setDisabledByAdmin(disabledByAdmin); 75 } 76 77 @Override 78 public void setEnabled(boolean enabled) { 79 if (enabled && mDisabledByAdmin) { 80 setDisabledByAdmin(false); 81 } else { 82 super.setEnabled(enabled); 83 } 84 } 85 86 public void setDisabledByAdmin(boolean disabled) { 87 if (mDisabledByAdmin != disabled) { 88 mDisabledByAdmin = disabled; 89 setWidgetLayoutResource(disabled ? R.layout.restricted_icon : mSwitchWidgetResId); 90 setEnabled(!disabled); 91 } 92 } 93 94 @Override 95 public void performClick(PreferenceScreen preferenceScreen) { 96 if (mDisabledByAdmin) { 97 RestrictedLockUtils.sendShowAdminSupportDetailsIntent(mContext, 98 new EnforcedAdmin()); 99 } else { 100 super.performClick(preferenceScreen); 101 } 102 } 103 } 104