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/*
* Copyright (C) 2012 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 android.text.style;
import android.graphics.Paint;
import android.os.Parcel;
import android.text.ParcelableSpan;
import android.text.TextPaint;
import android.text.TextUtils;
import java.util.Locale;
/**
* Changes the {@link Locale} of the text to which the span is attached.
*/
public class LocaleSpan extends MetricAffectingSpan implements ParcelableSpan {
private final Locale mLocale;
/**
* Creates a LocaleSpan.
* @param locale The {@link Locale} of the text to which the span is
* attached.
*/
public LocaleSpan(Locale locale) {
mLocale = locale;
}
public LocaleSpan(Parcel src) {
mLocale = new Locale(src.readString(), src.readString(), src.readString());
}
@Override
public int getSpanTypeId() {
return TextUtils.LOCALE_SPAN;
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeString(mLocale.getLanguage());
dest.writeString(mLocale.getCountry());
dest.writeString(mLocale.getVariant());
}
/**
* Returns the {@link Locale}.
*
* @return The {@link Locale} for this span.
*/
public Locale getLocale() {
return mLocale;
}
@Override
public void updateDrawState(TextPaint ds) {
apply(ds, mLocale);
}
@Override
public void updateMeasureState(TextPaint paint) {
apply(paint, mLocale);
}
private static void apply(Paint paint, Locale locale) {
paint.setTextLocale(locale);
}
}
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