1/* 2 * Copyright (C) 2011 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 17package com.android.inputmethod.latin.spellcheck; 18 19import android.Manifest; 20import android.content.SharedPreferences; 21import android.os.Bundle; 22import android.preference.PreferenceScreen; 23import android.preference.SwitchPreference; 24import android.text.TextUtils; 25 26import com.android.inputmethod.latin.R; 27import com.android.inputmethod.latin.permissions.PermissionsManager; 28import com.android.inputmethod.latin.permissions.PermissionsUtil; 29import com.android.inputmethod.latin.settings.SubScreenFragment; 30import com.android.inputmethod.latin.settings.TwoStatePreferenceHelper; 31import com.android.inputmethod.latin.utils.ApplicationUtils; 32 33import static com.android.inputmethod.latin.permissions.PermissionsManager.get; 34 35/** 36 * Preference screen. 37 */ 38public final class SpellCheckerSettingsFragment extends SubScreenFragment 39 implements SharedPreferences.OnSharedPreferenceChangeListener, 40 PermissionsManager.PermissionsResultCallback { 41 42 private SwitchPreference mLookupContactsPreference; 43 44 @Override 45 public void onActivityCreated(final Bundle savedInstanceState) { 46 super.onActivityCreated(savedInstanceState); 47 addPreferencesFromResource(R.xml.spell_checker_settings); 48 final PreferenceScreen preferenceScreen = getPreferenceScreen(); 49 preferenceScreen.setTitle(ApplicationUtils.getActivityTitleResId( 50 getActivity(), SpellCheckerSettingsActivity.class)); 51 TwoStatePreferenceHelper.replaceCheckBoxPreferencesBySwitchPreferences(preferenceScreen); 52 53 mLookupContactsPreference = (SwitchPreference) findPreference( 54 AndroidSpellCheckerService.PREF_USE_CONTACTS_KEY); 55 turnOffLookupContactsIfNoPermission(); 56 } 57 58 @Override 59 public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { 60 if (!TextUtils.equals(key, AndroidSpellCheckerService.PREF_USE_CONTACTS_KEY)) { 61 return; 62 } 63 64 if (!sharedPreferences.getBoolean(key, false)) { 65 // don't care if the preference is turned off. 66 return; 67 } 68 69 // Check for permissions. 70 if (PermissionsUtil.checkAllPermissionsGranted( 71 getActivity() /* context */, Manifest.permission.READ_CONTACTS)) { 72 return; // all permissions granted, no need to request permissions. 73 } 74 75 get(getActivity() /* context */).requestPermissions(this /* PermissionsResultCallback */, 76 getActivity() /* activity */, Manifest.permission.READ_CONTACTS); 77 } 78 79 @Override 80 public void onRequestPermissionsResult(boolean allGranted) { 81 turnOffLookupContactsIfNoPermission(); 82 } 83 84 private void turnOffLookupContactsIfNoPermission() { 85 if (!PermissionsUtil.checkAllPermissionsGranted( 86 getActivity(), Manifest.permission.READ_CONTACTS)) { 87 mLookupContactsPreference.setChecked(false); 88 } 89 } 90} 91