1/* 2 * Copyright (C) 2012 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 android.text.style; 18 19import android.graphics.Paint; 20import android.os.Parcel; 21import android.text.ParcelableSpan; 22import android.text.TextPaint; 23import android.text.TextUtils; 24import java.util.Locale; 25 26/** 27 * Changes the {@link Locale} of the text to which the span is attached. 28 */ 29public class LocaleSpan extends MetricAffectingSpan implements ParcelableSpan { 30 private final Locale mLocale; 31 32 /** 33 * Creates a LocaleSpan. 34 * @param locale The {@link Locale} of the text to which the span is 35 * attached. 36 */ 37 public LocaleSpan(Locale locale) { 38 mLocale = locale; 39 } 40 41 public LocaleSpan(Parcel src) { 42 mLocale = new Locale(src.readString(), src.readString(), src.readString()); 43 } 44 45 @Override 46 public int getSpanTypeId() { 47 return TextUtils.LOCALE_SPAN; 48 } 49 50 @Override 51 public int describeContents() { 52 return 0; 53 } 54 55 @Override 56 public void writeToParcel(Parcel dest, int flags) { 57 dest.writeString(mLocale.getLanguage()); 58 dest.writeString(mLocale.getCountry()); 59 dest.writeString(mLocale.getVariant()); 60 } 61 62 /** 63 * Returns the {@link Locale}. 64 * 65 * @return The {@link Locale} for this span. 66 */ 67 public Locale getLocale() { 68 return mLocale; 69 } 70 71 @Override 72 public void updateDrawState(TextPaint ds) { 73 apply(ds, mLocale); 74 } 75 76 @Override 77 public void updateMeasureState(TextPaint paint) { 78 apply(paint, mLocale); 79 } 80 81 private static void apply(Paint paint, Locale locale) { 82 paint.setTextLocale(locale); 83 } 84} 85