1 /* 2 * Copyright (C) 2009 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.email.activity; 18 19 import com.android.email.R; 20 21 import android.content.Context; 22 import android.util.AttributeSet; 23 import android.widget.MultiAutoCompleteTextView; 24 25 /** 26 * This is a MultiAutoCompleteTextView which sets the error state 27 * (@see TextView.setError) when email address validation fails. 28 */ 29 class AddressTextView extends MultiAutoCompleteTextView { 30 private class ForwardValidator implements Validator { 31 private Validator mValidator = null; 32 fixText(CharSequence invalidText)33 public CharSequence fixText(CharSequence invalidText) { 34 mIsValid = false; 35 return invalidText; 36 } 37 isValid(CharSequence text)38 public boolean isValid(CharSequence text) { 39 return mValidator != null ? mValidator.isValid(text) : true; 40 } 41 setValidator(Validator validator)42 public void setValidator(Validator validator) { 43 mValidator = validator; 44 } 45 } 46 47 private boolean mIsValid = true; 48 private final ForwardValidator mInternalValidator = new ForwardValidator(); 49 AddressTextView(Context context, AttributeSet attrs)50 public AddressTextView(Context context, AttributeSet attrs) { 51 super(context, attrs); 52 super.setValidator(mInternalValidator); 53 } 54 55 @Override setValidator(Validator validator)56 public void setValidator(Validator validator) { 57 mInternalValidator.setValidator(validator); 58 } 59 60 @Override performValidation()61 public void performValidation() { 62 mIsValid = true; 63 super.performValidation(); 64 markError(!mIsValid); 65 } 66 markError(boolean enable)67 private void markError(boolean enable) { 68 if (enable) { 69 setError(getContext().getString(R.string.message_compose_error_invalid_email)); 70 } else { 71 setError(null); 72 } 73 } 74 } 75