Home | History | Annotate | Download | only in phone 
      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