| /* |
| * Copyright 2021 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 androidx.emoji2.widget; |
| |
| import android.annotation.SuppressLint; |
| import android.content.Context; |
| import android.os.Build; |
| import android.text.InputFilter; |
| import android.util.AttributeSet; |
| import android.view.ActionMode; |
| import android.widget.TextView; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| import androidx.annotation.RequiresApi; |
| import androidx.core.widget.TextViewCompat; |
| import androidx.emoji2.helpers.EmojiTextViewHelper; |
| |
| /** |
| * TextView 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 TextView}. |
| */ |
| public class EmojiTextView extends TextView { |
| private EmojiTextViewHelper mEmojiTextViewHelper; |
| |
| /** |
| * Prevent calling {@link #init()} multiple times in case super() constructors |
| * call other constructors. |
| */ |
| private boolean mInitialized; |
| |
| public EmojiTextView(@NonNull Context context) { |
| super(context); |
| init(); |
| } |
| |
| public EmojiTextView(@NonNull Context context, @Nullable AttributeSet attrs) { |
| super(context, attrs); |
| init(); |
| } |
| |
| public EmojiTextView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) { |
| super(context, attrs, defStyleAttr); |
| init(); |
| } |
| |
| @SuppressLint("UnsafeNewApiCall") |
| @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP) |
| public EmojiTextView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr, |
| int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| init(); |
| } |
| |
| private void init() { |
| if (!mInitialized) { |
| mInitialized = true; |
| getEmojiTextViewHelper().updateTransformationMethod(); |
| } |
| } |
| |
| @Override |
| public void setFilters(@NonNull 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; |
| } |
| |
| /** |
| * See |
| * {@link TextViewCompat#setCustomSelectionActionModeCallback(TextView, ActionMode.Callback)} |
| */ |
| @Override |
| public void setCustomSelectionActionModeCallback( |
| @NonNull ActionMode.Callback actionModeCallback |
| ) { |
| super.setCustomSelectionActionModeCallback(TextViewCompat |
| .wrapCustomSelectionActionModeCallback(this, actionModeCallback)); |
| } |
| } |