1 /* 2 * Copyright (C) 2011 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 package android.text.method; 17 18 import android.content.Context; 19 import android.graphics.Rect; 20 import android.util.Log; 21 import android.view.View; 22 23 import java.util.Locale; 24 25 /** 26 * Transforms source text into an ALL CAPS string, locale-aware. 27 * 28 * @hide 29 */ 30 public class AllCapsTransformationMethod implements TransformationMethod2 { 31 private static final String TAG = "AllCapsTransformationMethod"; 32 33 private boolean mEnabled; 34 private Locale mLocale; 35 AllCapsTransformationMethod(Context context)36 public AllCapsTransformationMethod(Context context) { 37 mLocale = context.getResources().getConfiguration().locale; 38 } 39 40 @Override getTransformation(CharSequence source, View view)41 public CharSequence getTransformation(CharSequence source, View view) { 42 if (mEnabled) { 43 return source != null ? source.toString().toUpperCase(mLocale) : null; 44 } 45 Log.w(TAG, "Caller did not enable length changes; not transforming text"); 46 return source; 47 } 48 49 @Override onFocusChanged(View view, CharSequence sourceText, boolean focused, int direction, Rect previouslyFocusedRect)50 public void onFocusChanged(View view, CharSequence sourceText, boolean focused, int direction, 51 Rect previouslyFocusedRect) { 52 } 53 54 @Override setLengthChangesAllowed(boolean allowLengthChanges)55 public void setLengthChangesAllowed(boolean allowLengthChanges) { 56 mEnabled = allowLengthChanges; 57 } 58 59 } 60