| /* |
| * Copyright (C) 2017 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 android.support.text.emoji.widget; |
| |
| import android.content.Context; |
| import android.support.v7.widget.AppCompatButton; |
| import android.text.InputFilter; |
| import android.util.AttributeSet; |
| |
| /** |
| * AppCompatButton widget enhanced with emoji capability by using {@link EmojiTextViewHelper}. When |
| * used on devices running API 18 or below, this widget acts as a regular {@link AppCompatButton}. |
| */ |
| public class EmojiAppCompatButton extends AppCompatButton { |
| private EmojiTextViewHelper mEmojiTextViewHelper; |
| |
| /** |
| * Prevent calling {@link #init()} multiple times in case super() constructors |
| * call other constructors. |
| */ |
| private boolean mInitialized; |
| |
| public EmojiAppCompatButton(Context context) { |
| super(context); |
| init(); |
| } |
| |
| public EmojiAppCompatButton(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| init(); |
| } |
| |
| public EmojiAppCompatButton(Context context, AttributeSet attrs, int defStyleAttr) { |
| super(context, attrs, defStyleAttr); |
| init(); |
| } |
| |
| private void init() { |
| if (!mInitialized) { |
| mInitialized = true; |
| getEmojiTextViewHelper().updateTransformationMethod(); |
| } |
| } |
| |
| @Override |
| public void setFilters(InputFilter[] filters) { |
| super.setFilters(getEmojiTextViewHelper().getFilters(filters)); |
| } |
| |
| @Override |
| public void setAllCaps(boolean allCaps) { |
| super.setAllCaps(allCaps); |
| getEmojiTextViewHelper().setAllCaps(allCaps); |
| } |
| |
| private EmojiTextViewHelper getEmojiTextViewHelper() { |
| if (mEmojiTextViewHelper == null) { |
| mEmojiTextViewHelper = new EmojiTextViewHelper(this); |
| } |
| return mEmojiTextViewHelper; |
| } |
| } |