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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.settings.inputmethod;
import android.content.Context;
import android.preference.Preference;
import android.text.TextUtils;
import android.view.inputmethod.InputMethodInfo;
import android.view.inputmethod.InputMethodSubtype;
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.
*/
class InputMethodSubtypePreference extends SwitchWithNoTextPreference {
private final boolean mIsSystemLocale;
private final boolean mIsSystemLanguage;
InputMethodSubtypePreference(final Context context, final InputMethodSubtype subtype,
final InputMethodInfo imi) {
super(context);
setPersistent(false);
setKey(imi.getId() + subtype.hashCode());
final CharSequence subtypeLabel = subtype.getDisplayName(context,
imi.getPackageName(), imi.getServiceInfo().applicationInfo);
setTitle(subtypeLabel);
final String subtypeLocaleString = subtype.getLocale();
if (TextUtils.isEmpty(subtypeLocaleString)) {
mIsSystemLocale = false;
mIsSystemLanguage = false;
} else {
final Locale systemLocale = context.getResources().getConfiguration().locale;
mIsSystemLocale = subtypeLocaleString.equals(systemLocale.toString());
mIsSystemLanguage = mIsSystemLocale
|| InputMethodUtils.getLanguageFromLocaleString(subtypeLocaleString)
.equals(systemLocale.getLanguage());
}
}
int compareTo(final Preference rhs, final Collator collator) {
if (this == rhs) {
return 0;
}
if (rhs instanceof InputMethodSubtypePreference) {
final InputMethodSubtypePreference pref = (InputMethodSubtypePreference) rhs;
final CharSequence t0 = getTitle();
final CharSequence t1 = rhs.getTitle();
if (TextUtils.equals(t0, t1)) {
return 0;
}
if (mIsSystemLocale) {
return -1;
}
if (pref.mIsSystemLocale) {
return 1;
}
if (mIsSystemLanguage) {
return -1;
}
if (pref.mIsSystemLanguage) {
return 1;
}
if (TextUtils.isEmpty(t0)) {
return 1;
}
if (TextUtils.isEmpty(t1)) {
return -1;
}
return collator.compare(t0.toString(), t1.toString());
}
return super.compareTo(rhs);
}
}
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