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.settingslib; 18 19 import android.content.Context; 20 import android.os.UserHandle; 21 import android.support.v4.content.res.TypedArrayUtils; 22 import android.support.v7.preference.PreferenceManager; 23 import android.support.v7.preference.PreferenceViewHolder; 24 import android.util.AttributeSet; 25 import android.view.View; 26 27 import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin; 28 29 /** 30 * Preference class that supports being disabled by a user restriction 31 * set by a device admin. 32 */ 33 public class RestrictedPreference extends TwoTargetPreference { 34 RestrictedPreferenceHelper mHelper; 35 RestrictedPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)36 public RestrictedPreference(Context context, AttributeSet attrs, 37 int defStyleAttr, int defStyleRes) { 38 super(context, attrs, defStyleAttr, defStyleRes); 39 mHelper = new RestrictedPreferenceHelper(context, this, attrs); 40 } 41 RestrictedPreference(Context context, AttributeSet attrs, int defStyleAttr)42 public RestrictedPreference(Context context, AttributeSet attrs, int defStyleAttr) { 43 this(context, attrs, defStyleAttr, 0); 44 } 45 RestrictedPreference(Context context, AttributeSet attrs)46 public RestrictedPreference(Context context, AttributeSet attrs) { 47 this(context, attrs, TypedArrayUtils.getAttr(context, R.attr.preferenceStyle, 48 android.R.attr.preferenceStyle)); 49 } 50 RestrictedPreference(Context context)51 public RestrictedPreference(Context context) { 52 this(context, null); 53 } 54 55 @Override getSecondTargetResId()56 protected int getSecondTargetResId() { 57 return R.layout.restricted_icon; 58 } 59 60 @Override shouldHideSecondTarget()61 protected boolean shouldHideSecondTarget() { 62 return !isDisabledByAdmin(); 63 } 64 65 @Override onBindViewHolder(PreferenceViewHolder holder)66 public void onBindViewHolder(PreferenceViewHolder holder) { 67 super.onBindViewHolder(holder); 68 mHelper.onBindViewHolder(holder); 69 final View restrictedIcon = holder.findViewById(R.id.restricted_icon); 70 if (restrictedIcon != null) { 71 restrictedIcon.setVisibility(isDisabledByAdmin() ? View.VISIBLE : View.GONE); 72 } 73 } 74 75 @Override performClick()76 public void performClick() { 77 if (!mHelper.performClick()) { 78 super.performClick(); 79 } 80 } 81 useAdminDisabledSummary(boolean useSummary)82 public void useAdminDisabledSummary(boolean useSummary) { 83 mHelper.useAdminDisabledSummary(useSummary); 84 } 85 86 @Override onAttachedToHierarchy(PreferenceManager preferenceManager)87 protected void onAttachedToHierarchy(PreferenceManager preferenceManager) { 88 mHelper.onAttachedToHierarchy(); 89 super.onAttachedToHierarchy(preferenceManager); 90 } 91 checkRestrictionAndSetDisabled(String userRestriction)92 public void checkRestrictionAndSetDisabled(String userRestriction) { 93 mHelper.checkRestrictionAndSetDisabled(userRestriction, UserHandle.myUserId()); 94 } 95 checkRestrictionAndSetDisabled(String userRestriction, int userId)96 public void checkRestrictionAndSetDisabled(String userRestriction, int userId) { 97 mHelper.checkRestrictionAndSetDisabled(userRestriction, userId); 98 } 99 100 @Override setEnabled(boolean enabled)101 public void setEnabled(boolean enabled) { 102 if (enabled && isDisabledByAdmin()) { 103 mHelper.setDisabledByAdmin(null); 104 return; 105 } 106 super.setEnabled(enabled); 107 } 108 setDisabledByAdmin(EnforcedAdmin admin)109 public void setDisabledByAdmin(EnforcedAdmin admin) { 110 if (mHelper.setDisabledByAdmin(admin)) { 111 notifyChanged(); 112 } 113 } 114 isDisabledByAdmin()115 public boolean isDisabledByAdmin() { 116 return mHelper.isDisabledByAdmin(); 117 } 118 } 119