| /* |
| * 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 static android.support.annotation.RestrictTo.Scope.LIBRARY_GROUP; |
| |
| import android.graphics.Rect; |
| import android.support.annotation.NonNull; |
| import android.support.annotation.Nullable; |
| import android.support.annotation.RequiresApi; |
| import android.support.annotation.RestrictTo; |
| import android.support.text.emoji.EmojiCompat; |
| import android.text.method.TransformationMethod; |
| import android.view.View; |
| |
| /** |
| * TransformationMethod wrapper in order to update transformed text with emojis. |
| * |
| * @hide |
| */ |
| @RestrictTo(LIBRARY_GROUP) |
| @RequiresApi(19) |
| class EmojiTransformationMethod implements TransformationMethod { |
| private final TransformationMethod mTransformationMethod; |
| |
| EmojiTransformationMethod(TransformationMethod transformationMethod) { |
| mTransformationMethod = transformationMethod; |
| } |
| |
| @Override |
| public CharSequence getTransformation(@Nullable CharSequence source, @NonNull final View view) { |
| if (view.isInEditMode()) { |
| return source; |
| } |
| |
| if (mTransformationMethod != null) { |
| source = mTransformationMethod.getTransformation(source, view); |
| } |
| |
| if (source != null) { |
| switch (EmojiCompat.get().getLoadState()){ |
| case EmojiCompat.LOAD_STATE_SUCCEEDED: |
| return EmojiCompat.get().process(source); |
| case EmojiCompat.LOAD_STATE_LOADING: |
| case EmojiCompat.LOAD_STATE_FAILED: |
| default: |
| break; |
| } |
| } |
| return source; |
| } |
| |
| @Override |
| public void onFocusChanged(final View view, final CharSequence sourceText, |
| final boolean focused, final int direction, final Rect previouslyFocusedRect) { |
| if (mTransformationMethod != null) { |
| mTransformationMethod.onFocusChanged(view, sourceText, focused, direction, |
| previouslyFocusedRect); |
| } |
| } |
| } |