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      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 package com.android.settings.accounts;
     17 
     18 import android.content.Context;
     19 import android.content.Intent;
     20 import android.content.pm.ResolveInfo;
     21 import android.content.pm.UserInfo;
     22 import android.content.res.Resources;
     23 import android.os.UserHandle;
     24 import android.os.UserManager;
     25 import android.support.v7.preference.Preference;
     26 
     27 import com.android.settings.R;
     28 import com.android.settings.core.PreferenceControllerMixin;
     29 import com.android.settings.search.SearchIndexableRaw;
     30 import com.android.settingslib.core.AbstractPreferenceController;
     31 
     32 import java.util.List;
     33 
     34 public class EmergencyInfoPreferenceController extends AbstractPreferenceController
     35         implements PreferenceControllerMixin {
     36 
     37     private static final String KEY_EMERGENCY_INFO = "emergency_info";
     38     private static final String ACTION_EDIT_EMERGENCY_INFO = "android.settings.EDIT_EMERGENCY_INFO";
     39     private static final String PACKAGE_NAME_EMERGENCY = "com.android.emergency";
     40 
     41     public EmergencyInfoPreferenceController(Context context) {
     42         super(context);
     43     }
     44 
     45     @Override
     46     public void updateRawDataToIndex(List<SearchIndexableRaw> rawData) {
     47         if (isAvailable()) {
     48             SearchIndexableRaw data = new SearchIndexableRaw(mContext);
     49             final Resources res = mContext.getResources();
     50             data.title = res.getString(com.android.settings.R.string.emergency_info_title);
     51             data.screenTitle = res.getString(com.android.settings.R.string.emergency_info_title);
     52             rawData.add(data);
     53         }
     54     }
     55 
     56     public void updateState(Preference preference) {
     57         UserInfo info = mContext.getSystemService(UserManager.class).getUserInfo(
     58             UserHandle.myUserId());
     59         preference.setSummary(mContext.getString(R.string.emergency_info_summary, info.name));
     60     }
     61 
     62     @Override
     63     public boolean handlePreferenceTreeClick(Preference preference) {
     64         if (KEY_EMERGENCY_INFO.equals(preference.getKey())) {
     65             Intent intent = new Intent(ACTION_EDIT_EMERGENCY_INFO);
     66             intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
     67             mContext.startActivity(intent);
     68             return true;
     69         }
     70         return false;
     71     }
     72 
     73     @Override
     74     public boolean isAvailable() {
     75         Intent intent = new Intent(ACTION_EDIT_EMERGENCY_INFO).setPackage(PACKAGE_NAME_EMERGENCY);
     76         List<ResolveInfo> infos = mContext.getPackageManager().queryIntentActivities(intent, 0);
     77         return infos != null && !infos.isEmpty();
     78     }
     79 
     80     @Override
     81     public String getPreferenceKey() {
     82         return KEY_EMERGENCY_INFO;
     83     }
     84 }
     85