1 /* 2 * Copyright (C) 2018 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.os.UserHandle; 21 import android.support.v7.preference.PreferenceManager; 22 import android.support.v7.preference.PreferenceViewHolder; 23 import android.text.TextUtils; 24 import android.util.AttributeSet; 25 import android.view.View; 26 27 import com.android.settings.R; 28 import com.android.settingslib.RestrictedLockUtils; 29 import com.android.settingslib.RestrictedPreferenceHelper; 30 31 /** 32 * {@link AppPreference} that implements user restriction utilities using 33 * {@link com.android.settingslib.RestrictedPreferenceHelper}. 34 * Used to show policy transparency on {@link AppPreference}. 35 */ 36 public class RestrictedAppPreference extends AppPreference { 37 private RestrictedPreferenceHelper mHelper; 38 private String userRestriction; 39 RestrictedAppPreference(Context context)40 public RestrictedAppPreference(Context context) { 41 super(context); 42 initialize(null, null); 43 } 44 RestrictedAppPreference(Context context, String userRestriction)45 public RestrictedAppPreference(Context context, String userRestriction) { 46 super(context); 47 initialize(null, userRestriction); 48 } 49 RestrictedAppPreference(Context context, AttributeSet attrs, String userRestriction)50 public RestrictedAppPreference(Context context, AttributeSet attrs, String userRestriction) { 51 super(context, attrs); 52 initialize(attrs, userRestriction); 53 } 54 initialize(AttributeSet attrs, String userRestriction)55 private void initialize(AttributeSet attrs, String userRestriction) { 56 setWidgetLayoutResource(R.layout.restricted_icon); 57 mHelper = new RestrictedPreferenceHelper(getContext(), this, attrs); 58 this.userRestriction = userRestriction; 59 } 60 61 @Override onBindViewHolder(PreferenceViewHolder holder)62 public void onBindViewHolder(PreferenceViewHolder holder) { 63 super.onBindViewHolder(holder); 64 mHelper.onBindViewHolder(holder); 65 final View restrictedIcon = holder.findViewById(R.id.restricted_icon); 66 if (restrictedIcon != null) { 67 restrictedIcon.setVisibility(isDisabledByAdmin() ? View.VISIBLE : View.GONE); 68 } 69 } 70 71 @Override performClick()72 public void performClick() { 73 if (!mHelper.performClick()) { 74 super.performClick(); 75 } 76 } 77 78 @Override setEnabled(boolean enabled)79 public void setEnabled(boolean enabled) { 80 if (isDisabledByAdmin() && enabled) { 81 return; 82 } 83 super.setEnabled(enabled); 84 } 85 setDisabledByAdmin(RestrictedLockUtils.EnforcedAdmin admin)86 public void setDisabledByAdmin(RestrictedLockUtils.EnforcedAdmin admin) { 87 if (mHelper.setDisabledByAdmin(admin)) { 88 notifyChanged(); 89 } 90 } 91 isDisabledByAdmin()92 public boolean isDisabledByAdmin() { 93 return mHelper.isDisabledByAdmin(); 94 } 95 useAdminDisabledSummary(boolean useSummary)96 public void useAdminDisabledSummary(boolean useSummary) { 97 mHelper.useAdminDisabledSummary(useSummary); 98 } 99 100 @Override onAttachedToHierarchy(PreferenceManager preferenceManager)101 protected void onAttachedToHierarchy(PreferenceManager preferenceManager) { 102 mHelper.onAttachedToHierarchy(); 103 super.onAttachedToHierarchy(preferenceManager); 104 } 105 checkRestrictionAndSetDisabled()106 public void checkRestrictionAndSetDisabled() { 107 if (TextUtils.isEmpty(userRestriction)) { 108 return; 109 } 110 mHelper.checkRestrictionAndSetDisabled(userRestriction, UserHandle.myUserId()); 111 } 112 checkRestrictionAndSetDisabled(String userRestriction)113 public void checkRestrictionAndSetDisabled(String userRestriction) { 114 mHelper.checkRestrictionAndSetDisabled(userRestriction, UserHandle.myUserId()); 115 } 116 checkRestrictionAndSetDisabled(String userRestriction, int userId)117 public void checkRestrictionAndSetDisabled(String userRestriction, int userId) { 118 mHelper.checkRestrictionAndSetDisabled(userRestriction, userId); 119 } 120 } 121