LatinIME/java/src/com/android/inputmethod/compat/EditorInfoCompatUtils.java

99 lines
3.7 KiB
Java

/*
* Copyright (C) 2011 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 com.android.inputmethod.compat;
import android.view.inputmethod.EditorInfo;
import java.lang.reflect.Field;
import java.util.Locale;
public final class EditorInfoCompatUtils {
// Note that EditorInfo.IME_FLAG_FORCE_ASCII has been introduced
// in API level 16 (Build.VERSION_CODES.JELLY_BEAN).
private static final Field FIELD_IME_FLAG_FORCE_ASCII = CompatUtils.getField(
EditorInfo.class, "IME_FLAG_FORCE_ASCII");
private static final Integer OBJ_IME_FLAG_FORCE_ASCII = (Integer) CompatUtils.getFieldValue(
null /* receiver */, null /* defaultValue */, FIELD_IME_FLAG_FORCE_ASCII);
private static final Field FIELD_HINT_LOCALES = CompatUtils.getField(
EditorInfo.class, "hintLocales");
private EditorInfoCompatUtils() {
// This utility class is not publicly instantiable.
}
public static boolean hasFlagForceAscii(final int imeOptions) {
if (OBJ_IME_FLAG_FORCE_ASCII == null) return false;
return (imeOptions & OBJ_IME_FLAG_FORCE_ASCII) != 0;
}
public static String imeActionName(final int imeOptions) {
final int actionId = imeOptions & EditorInfo.IME_MASK_ACTION;
switch (actionId) {
case EditorInfo.IME_ACTION_UNSPECIFIED:
return "actionUnspecified";
case EditorInfo.IME_ACTION_NONE:
return "actionNone";
case EditorInfo.IME_ACTION_GO:
return "actionGo";
case EditorInfo.IME_ACTION_SEARCH:
return "actionSearch";
case EditorInfo.IME_ACTION_SEND:
return "actionSend";
case EditorInfo.IME_ACTION_NEXT:
return "actionNext";
case EditorInfo.IME_ACTION_DONE:
return "actionDone";
case EditorInfo.IME_ACTION_PREVIOUS:
return "actionPrevious";
default:
return "actionUnknown(" + actionId + ")";
}
}
public static String imeOptionsName(final int imeOptions) {
final String action = imeActionName(imeOptions);
final StringBuilder flags = new StringBuilder();
if ((imeOptions & EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) {
flags.append("flagNoEnterAction|");
}
if ((imeOptions & EditorInfo.IME_FLAG_NAVIGATE_NEXT) != 0) {
flags.append("flagNavigateNext|");
}
if ((imeOptions & EditorInfo.IME_FLAG_NAVIGATE_PREVIOUS) != 0) {
flags.append("flagNavigatePrevious|");
}
if (hasFlagForceAscii(imeOptions)) {
flags.append("flagForceAscii|");
}
return (action != null) ? flags + action : flags.toString();
}
public static Locale getPrimaryHintLocale(final EditorInfo editorInfo) {
if (editorInfo == null) {
return null;
}
final Object localeList = CompatUtils.getFieldValue(editorInfo, null, FIELD_HINT_LOCALES);
if (localeList == null) {
return null;
}
if (LocaleListCompatUtils.isEmpty(localeList)) {
return null;
}
return LocaleListCompatUtils.get(localeList, 0);
}
}