mirror of https://github.com/M66B/FairEmail.git
90 lines
2.9 KiB
Java
90 lines
2.9 KiB
Java
/*
|
|
* 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.text;
|
|
|
|
import android.annotation.SuppressLint;
|
|
import android.os.Build;
|
|
|
|
import androidx.annotation.DoNotInline;
|
|
import androidx.annotation.NonNull;
|
|
import androidx.annotation.RequiresApi;
|
|
|
|
import java.lang.reflect.Method;
|
|
import java.util.Collections;
|
|
import java.util.Set;
|
|
|
|
class EmojiExclusions {
|
|
private EmojiExclusions() { /* cannot instantiate */ }
|
|
|
|
@NonNull
|
|
static Set<int[]> getEmojiExclusions() {
|
|
if (Build.VERSION.SDK_INT >= 34) {
|
|
return EmojiExclusions_Api34.getExclusions();
|
|
} else {
|
|
return EmojiExclusions_Reflections.getExclusions();
|
|
}
|
|
}
|
|
|
|
@RequiresApi(34)
|
|
private static class EmojiExclusions_Api34 {
|
|
private EmojiExclusions_Api34() { /* cannot instantiate */ }
|
|
|
|
@NonNull
|
|
@DoNotInline
|
|
static Set<int[]> getExclusions() {
|
|
// TODO: Call directly when API34 is published
|
|
return EmojiExclusions_Reflections.getExclusions();
|
|
}
|
|
}
|
|
|
|
private static class EmojiExclusions_Reflections {
|
|
private EmojiExclusions_Reflections() { /* cannot instantiate */ }
|
|
|
|
/**
|
|
* Attempt to reflectively call EmojiExclusion
|
|
*
|
|
* If anything goes wrong, return Collections.emptySet.
|
|
*/
|
|
@SuppressWarnings("unchecked")
|
|
// will be checked after platform API for 34 published
|
|
@SuppressLint({ "BanUncheckedReflection" })
|
|
@NonNull
|
|
static Set<int[]> getExclusions() {
|
|
try {
|
|
Class<?> clazz = Class.forName("android.text.EmojiConsistency");
|
|
Method method = clazz.getMethod("getEmojiConsistencySet");
|
|
Object result = method.invoke(null);
|
|
if (result == null) {
|
|
return Collections.emptySet();
|
|
}
|
|
// validate the result type before exposing it to caller
|
|
Set<?> resultList = (Set<?>) result;
|
|
for (Object item : resultList) {
|
|
if (!(item instanceof int[])) {
|
|
return Collections.emptySet();
|
|
}
|
|
}
|
|
return (Set<int[]>) resultList;
|
|
} catch (Throwable ignore) {
|
|
return Collections.emptySet();
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|