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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.inputmethod.latin.settings;
import android.Manifest;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.Build;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.SwitchPreference;
import android.text.TextUtils;
import com.android.inputmethod.dictionarypack.DictionarySettingsActivity;
import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.permissions.PermissionsManager;
import com.android.inputmethod.latin.permissions.PermissionsUtil;
import com.android.inputmethod.latin.userdictionary.UserDictionaryList;
import com.android.inputmethod.latin.userdictionary.UserDictionarySettings;
import java.util.TreeSet;
/**
* "Text correction" settings sub screen.
*
* This settings sub screen handles the following text correction preferences.
* - Personal dictionary
* - Add-on dictionaries
* - Block offensive words
* - Auto-correction
* - Show correction suggestions
* - Personalized suggestions
* - Suggest Contact names
* - Next-word suggestions
*/
public final class CorrectionSettingsFragment extends SubScreenFragment
implements SharedPreferences.OnSharedPreferenceChangeListener,
PermissionsManager.PermissionsResultCallback {
private static final boolean DBG_USE_INTERNAL_PERSONAL_DICTIONARY_SETTINGS = false;
private static final boolean USE_INTERNAL_PERSONAL_DICTIONARY_SETTINGS =
DBG_USE_INTERNAL_PERSONAL_DICTIONARY_SETTINGS
|| Build.VERSION.SDK_INT <= Build.VERSION_CODES.JELLY_BEAN_MR2;
private SwitchPreference mUseContactsPreference;
@Override
public void onCreate(final Bundle icicle) {
super.onCreate(icicle);
addPreferencesFromResource(R.xml.prefs_screen_correction);
final Context context = getActivity();
final PackageManager pm = context.getPackageManager();
final Preference dictionaryLink = findPreference(Settings.PREF_CONFIGURE_DICTIONARIES_KEY);
final Intent intent = dictionaryLink.getIntent();
intent.setClassName(context.getPackageName(), DictionarySettingsActivity.class.getName());
final int number = pm.queryIntentActivities(intent, 0).size();
if (0 >= number) {
removePreference(Settings.PREF_CONFIGURE_DICTIONARIES_KEY);
}
final Preference editPersonalDictionary =
findPreference(Settings.PREF_EDIT_PERSONAL_DICTIONARY);
final Intent editPersonalDictionaryIntent = editPersonalDictionary.getIntent();
final ResolveInfo ri = USE_INTERNAL_PERSONAL_DICTIONARY_SETTINGS ? null
: pm.resolveActivity(
editPersonalDictionaryIntent, PackageManager.MATCH_DEFAULT_ONLY);
if (ri == null) {
overwriteUserDictionaryPreference(editPersonalDictionary);
}
mUseContactsPreference = (SwitchPreference) findPreference(Settings.PREF_KEY_USE_CONTACTS_DICT);
turnOffUseContactsIfNoPermission();
}
private void overwriteUserDictionaryPreference(final Preference userDictionaryPreference) {
final Activity activity = getActivity();
final TreeSet<String> localeList = UserDictionaryList.getUserDictionaryLocalesSet(activity);
if (null == localeList) {
// The locale list is null if and only if the user dictionary service is
// not present or disabled. In this case we need to remove the preference.
getPreferenceScreen().removePreference(userDictionaryPreference);
} else if (localeList.size() <= 1) {
userDictionaryPreference.setFragment(UserDictionarySettings.class.getName());
// If the size of localeList is 0, we don't set the locale parameter in the
// extras. This will be interpreted by the UserDictionarySettings class as
// meaning "the current locale".
// Note that with the current code for UserDictionaryList#getUserDictionaryLocalesSet()
// the locale list always has at least one element, since it always includes the current
// locale explicitly. @see UserDictionaryList.getUserDictionaryLocalesSet().
if (localeList.size() == 1) {
final String locale = (String)localeList.toArray()[0];
userDictionaryPreference.getExtras().putString("locale", locale);
}
} else {
userDictionaryPreference.setFragment(UserDictionaryList.class.getName());
}
}
@Override
public void onSharedPreferenceChanged(final SharedPreferences sharedPreferences, final String key) {
if (!TextUtils.equals(key, Settings.PREF_KEY_USE_CONTACTS_DICT)) {
return;
}
if (!sharedPreferences.getBoolean(key, false)) {
// don't care if the preference is turned off.
return;
}
// Check for permissions.
if (PermissionsUtil.checkAllPermissionsGranted(
getActivity() /* context */, Manifest.permission.READ_CONTACTS)) {
return; // all permissions granted, no need to request permissions.
}
PermissionsManager.get(getActivity() /* context */).requestPermissions(
this /* PermissionsResultCallback */,
getActivity() /* activity */,
Manifest.permission.READ_CONTACTS);
}
@Override
public void onRequestPermissionsResult(boolean allGranted) {
turnOffUseContactsIfNoPermission();
}
private void turnOffUseContactsIfNoPermission() {
if (!PermissionsUtil.checkAllPermissionsGranted(
getActivity(), Manifest.permission.READ_CONTACTS)) {
mUseContactsPreference.setChecked(false);
}
}
}
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