1 /* 2 * Copyright (C) 2013 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.os.Build; 20 import android.view.inputmethod.InputMethodSubtype; 21 22 import com.android.inputmethod.annotations.UsedForTesting; 23 import com.android.inputmethod.latin.Constants; 24 25 import java.lang.reflect.Constructor; 26 import java.lang.reflect.Method; 27 28 public final class InputMethodSubtypeCompatUtils { 29 private static final String TAG = InputMethodSubtypeCompatUtils.class.getSimpleName(); 30 // Note that InputMethodSubtype(int nameId, int iconId, String locale, String mode, 31 // String extraValue, boolean isAuxiliary, boolean overridesImplicitlyEnabledSubtype, int id) 32 // has been introduced in API level 17 (Build.VERSION_CODE.JELLY_BEAN_MR1). 33 private static final Constructor<?> CONSTRUCTOR_INPUT_METHOD_SUBTYPE = 34 CompatUtils.getConstructor(InputMethodSubtype.class, 35 int.class, int.class, String.class, String.class, String.class, boolean.class, 36 boolean.class, int.class); 37 static { 38 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { 39 if (CONSTRUCTOR_INPUT_METHOD_SUBTYPE == null) { 40 android.util.Log.w(TAG, "Warning!!! Constructor is not defined."); 41 } 42 } 43 } 44 45 // Note that {@link InputMethodSubtype#isAsciiCapable()} has been introduced in API level 19 46 // (Build.VERSION_CODE.KITKAT). 47 private static final Method METHOD_isAsciiCapable = CompatUtils.getMethod( 48 InputMethodSubtype.class, "isAsciiCapable"); 49 50 private InputMethodSubtypeCompatUtils() { 51 // This utility class is not publicly instantiable. 52 } 53 54 public static InputMethodSubtype newInputMethodSubtype(int nameId, int iconId, String locale, 55 String mode, String extraValue, boolean isAuxiliary, 56 boolean overridesImplicitlyEnabledSubtype, int id) { 57 if (CONSTRUCTOR_INPUT_METHOD_SUBTYPE == null 58 || Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) { 59 return new InputMethodSubtype(nameId, iconId, locale, mode, extraValue, isAuxiliary, 60 overridesImplicitlyEnabledSubtype); 61 } 62 return (InputMethodSubtype) CompatUtils.newInstance(CONSTRUCTOR_INPUT_METHOD_SUBTYPE, 63 nameId, iconId, locale, mode, extraValue, isAuxiliary, 64 overridesImplicitlyEnabledSubtype, id); 65 } 66 67 public static boolean isAsciiCapable(final InputMethodSubtype subtype) { 68 return isAsciiCapableWithAPI(subtype) 69 || subtype.containsExtraValueKey(Constants.Subtype.ExtraValue.ASCII_CAPABLE); 70 } 71 72 @UsedForTesting 73 public static boolean isAsciiCapableWithAPI(final InputMethodSubtype subtype) { 74 return (Boolean)CompatUtils.invoke(subtype, false, METHOD_isAsciiCapable); 75 } 76 } 77
