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 17 package com.android.inputmethod.compat; 18 19 import android.view.inputmethod.EditorInfo; 20 21 import java.lang.reflect.Field; 22 import java.util.Locale; 23 24 public final class EditorInfoCompatUtils { 25 // Note that EditorInfo.IME_FLAG_FORCE_ASCII has been introduced 26 // in API level 16 (Build.VERSION_CODES.JELLY_BEAN). 27 private static final Field FIELD_IME_FLAG_FORCE_ASCII = CompatUtils.getField( 28 EditorInfo.class, "IME_FLAG_FORCE_ASCII"); 29 private static final Integer OBJ_IME_FLAG_FORCE_ASCII = (Integer) CompatUtils.getFieldValue( 30 null /* receiver */, null /* defaultValue */, FIELD_IME_FLAG_FORCE_ASCII); 31 private static final Field FIELD_HINT_LOCALES = CompatUtils.getField( 32 EditorInfo.class, "hintLocales"); 33 EditorInfoCompatUtils()34 private EditorInfoCompatUtils() { 35 // This utility class is not publicly instantiable. 36 } 37 hasFlagForceAscii(final int imeOptions)38 public static boolean hasFlagForceAscii(final int imeOptions) { 39 if (OBJ_IME_FLAG_FORCE_ASCII == null) return false; 40 return (imeOptions & OBJ_IME_FLAG_FORCE_ASCII) != 0; 41 } 42 imeActionName(final int imeOptions)43 public static String imeActionName(final int imeOptions) { 44 final int actionId = imeOptions & EditorInfo.IME_MASK_ACTION; 45 switch (actionId) { 46 case EditorInfo.IME_ACTION_UNSPECIFIED: 47 return "actionUnspecified"; 48 case EditorInfo.IME_ACTION_NONE: 49 return "actionNone"; 50 case EditorInfo.IME_ACTION_GO: 51 return "actionGo"; 52 case EditorInfo.IME_ACTION_SEARCH: 53 return "actionSearch"; 54 case EditorInfo.IME_ACTION_SEND: 55 return "actionSend"; 56 case EditorInfo.IME_ACTION_NEXT: 57 return "actionNext"; 58 case EditorInfo.IME_ACTION_DONE: 59 return "actionDone"; 60 case EditorInfo.IME_ACTION_PREVIOUS: 61 return "actionPrevious"; 62 default: 63 return "actionUnknown(" + actionId + ")"; 64 } 65 } 66 imeOptionsName(final int imeOptions)67 public static String imeOptionsName(final int imeOptions) { 68 final String action = imeActionName(imeOptions); 69 final StringBuilder flags = new StringBuilder(); 70 if ((imeOptions & EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 71 flags.append("flagNoEnterAction|"); 72 } 73 if ((imeOptions & EditorInfo.IME_FLAG_NAVIGATE_NEXT) != 0) { 74 flags.append("flagNavigateNext|"); 75 } 76 if ((imeOptions & EditorInfo.IME_FLAG_NAVIGATE_PREVIOUS) != 0) { 77 flags.append("flagNavigatePrevious|"); 78 } 79 if (hasFlagForceAscii(imeOptions)) { 80 flags.append("flagForceAscii|"); 81 } 82 return (action != null) ? flags + action : flags.toString(); 83 } 84 getPrimaryHintLocale(final EditorInfo editorInfo)85 public static Locale getPrimaryHintLocale(final EditorInfo editorInfo) { 86 if (editorInfo == null) { 87 return null; 88 } 89 final Object localeList = CompatUtils.getFieldValue(editorInfo, null, FIELD_HINT_LOCALES); 90 if (localeList == null) { 91 return null; 92 } 93 if (LocaleListCompatUtils.isEmpty(localeList)) { 94 return null; 95 } 96 return LocaleListCompatUtils.get(localeList, 0); 97 } 98 } 99