| /* |
| * Copyright (C) 2017 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.settingslib.inputmethod; |
| |
| import android.content.Context; |
| import androidx.preference.Preference; |
| import android.text.TextUtils; |
| import android.view.inputmethod.InputMethodInfo; |
| import android.view.inputmethod.InputMethodSubtype; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.inputmethod.InputMethodUtils; |
| |
| import java.text.Collator; |
| import java.util.Locale; |
| |
| /** |
| * Input method subtype preference. |
| * |
| * This preference represents a subtype of an IME. It is used to enable or disable the subtype. |
| */ |
| public class InputMethodSubtypePreference extends SwitchWithNoTextPreference { |
| private final boolean mIsSystemLocale; |
| private final boolean mIsSystemLanguage; |
| |
| public InputMethodSubtypePreference(final Context context, final InputMethodSubtype subtype, |
| final InputMethodInfo imi) { |
| this(context, |
| imi.getId() + subtype.hashCode(), |
| InputMethodAndSubtypeUtil.getSubtypeLocaleNameAsSentence(subtype, context, imi), |
| subtype.getLocale(), |
| context.getResources().getConfiguration().locale); |
| } |
| |
| @VisibleForTesting |
| InputMethodSubtypePreference( |
| final Context context, |
| final String prefKey, |
| final CharSequence title, |
| final String subtypeLocaleString, |
| final Locale systemLocale) { |
| super(context); |
| setPersistent(false); |
| setKey(prefKey); |
| setTitle(title); |
| if (TextUtils.isEmpty(subtypeLocaleString)) { |
| mIsSystemLocale = false; |
| mIsSystemLanguage = false; |
| } else { |
| mIsSystemLocale = subtypeLocaleString.equals(systemLocale.toString()); |
| mIsSystemLanguage = mIsSystemLocale |
| || InputMethodUtils.getLanguageFromLocaleString(subtypeLocaleString) |
| .equals(systemLocale.getLanguage()); |
| } |
| } |
| |
| public int compareTo(final Preference rhs, final Collator collator) { |
| if (this == rhs) { |
| return 0; |
| } |
| if (rhs instanceof InputMethodSubtypePreference) { |
| final InputMethodSubtypePreference rhsPref = (InputMethodSubtypePreference) rhs; |
| if (mIsSystemLocale && !rhsPref.mIsSystemLocale) { |
| return -1; |
| } |
| if (!mIsSystemLocale && rhsPref.mIsSystemLocale) { |
| return 1; |
| } |
| if (mIsSystemLanguage && !rhsPref.mIsSystemLanguage) { |
| return -1; |
| } |
| if (!mIsSystemLanguage && rhsPref.mIsSystemLanguage) { |
| return 1; |
| } |
| final CharSequence title = getTitle(); |
| final CharSequence rhsTitle = rhs.getTitle(); |
| final boolean emptyTitle = TextUtils.isEmpty(title); |
| final boolean rhsEmptyTitle = TextUtils.isEmpty(rhsTitle); |
| if (!emptyTitle && !rhsEmptyTitle) { |
| return collator.compare(title.toString(), rhsTitle.toString()); |
| } |
| // For historical reasons, an empty text needs to be put at the first. |
| return (emptyTitle ? -1 : 0) - (rhsEmptyTitle ? -1 : 0); |
| } |
| return super.compareTo(rhs); |
| } |
| } |