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/*
* Copyright (C) 2012 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.latin.utils;
import android.text.InputType;
import android.view.inputmethod.EditorInfo;
public final class InputTypeUtils implements InputType {
private static final int WEB_TEXT_PASSWORD_INPUT_TYPE =
TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_WEB_PASSWORD;
private static final int WEB_TEXT_EMAIL_ADDRESS_INPUT_TYPE =
TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS;
private static final int NUMBER_PASSWORD_INPUT_TYPE =
TYPE_CLASS_NUMBER | TYPE_NUMBER_VARIATION_PASSWORD;
private static final int TEXT_PASSWORD_INPUT_TYPE =
TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_PASSWORD;
private static final int TEXT_VISIBLE_PASSWORD_INPUT_TYPE =
TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_VISIBLE_PASSWORD;
private static final int[] SUPPRESSING_AUTO_SPACES_FIELD_VARIATION = {
InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS,
InputType.TYPE_TEXT_VARIATION_PASSWORD,
InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD,
InputType.TYPE_TEXT_VARIATION_WEB_PASSWORD };
public static final int IME_ACTION_CUSTOM_LABEL = EditorInfo.IME_MASK_ACTION + 1;
private InputTypeUtils() {
// This utility class is not publicly instantiable.
}
private static boolean isWebEditTextInputType(final int inputType) {
return inputType == (TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_WEB_EDIT_TEXT);
}
private static boolean isWebPasswordInputType(final int inputType) {
return WEB_TEXT_PASSWORD_INPUT_TYPE != 0
&& inputType == WEB_TEXT_PASSWORD_INPUT_TYPE;
}
private static boolean isWebEmailAddressInputType(final int inputType) {
return WEB_TEXT_EMAIL_ADDRESS_INPUT_TYPE != 0
&& inputType == WEB_TEXT_EMAIL_ADDRESS_INPUT_TYPE;
}
private static boolean isNumberPasswordInputType(final int inputType) {
return NUMBER_PASSWORD_INPUT_TYPE != 0
&& inputType == NUMBER_PASSWORD_INPUT_TYPE;
}
private static boolean isTextPasswordInputType(final int inputType) {
return inputType == TEXT_PASSWORD_INPUT_TYPE;
}
private static boolean isWebEmailAddressVariation(int variation) {
return variation == TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS;
}
public static boolean isEmailVariation(final int variation) {
return variation == TYPE_TEXT_VARIATION_EMAIL_ADDRESS
|| isWebEmailAddressVariation(variation);
}
public static boolean isWebInputType(final int inputType) {
final int maskedInputType =
inputType & (TYPE_MASK_CLASS | TYPE_MASK_VARIATION);
return isWebEditTextInputType(maskedInputType) || isWebPasswordInputType(maskedInputType)
|| isWebEmailAddressInputType(maskedInputType);
}
// Please refer to TextView.isPasswordInputType
public static boolean isPasswordInputType(final int inputType) {
final int maskedInputType =
inputType & (TYPE_MASK_CLASS | TYPE_MASK_VARIATION);
return isTextPasswordInputType(maskedInputType) || isWebPasswordInputType(maskedInputType)
|| isNumberPasswordInputType(maskedInputType);
}
// Please refer to TextView.isVisiblePasswordInputType
public static boolean isVisiblePasswordInputType(final int inputType) {
final int maskedInputType =
inputType & (TYPE_MASK_CLASS | TYPE_MASK_VARIATION);
return maskedInputType == TEXT_VISIBLE_PASSWORD_INPUT_TYPE;
}
public static boolean isAutoSpaceFriendlyType(final int inputType) {
if (TYPE_CLASS_TEXT != (TYPE_MASK_CLASS & inputType)) return false;
final int variation = TYPE_MASK_VARIATION & inputType;
for (final int fieldVariation : SUPPRESSING_AUTO_SPACES_FIELD_VARIATION) {
if (variation == fieldVariation) return false;
}
return true;
}
public static int getImeOptionsActionIdFromEditorInfo(final EditorInfo editorInfo) {
if ((editorInfo.imeOptions & EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) {
return EditorInfo.IME_ACTION_NONE;
} else if (editorInfo.actionLabel != null) {
return IME_ACTION_CUSTOM_LABEL;
} else {
// Note: this is different from editorInfo.actionId, hence "ImeOptionsActionId"
return editorInfo.imeOptions & EditorInfo.IME_MASK_ACTION;
}
}
}
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