75 lines
2.2 KiB
Java
75 lines
2.2 KiB
Java
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/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.service.translation;
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import android.annotation.NonNull;
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import android.os.DeadObjectException;
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import android.os.RemoteException;
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import android.util.Log;
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import android.view.translation.TranslationResponse;
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import java.util.Objects;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.function.Consumer;
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/**
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* Callback to receive the {@link TranslationResponse} on successful translation.
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*
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* @hide
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*/
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final class OnTranslationResultCallbackWrapper implements
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Consumer<TranslationResponse> {
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private static final String TAG = "OnTranslationResultCallback";
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private final @NonNull ITranslationCallback mCallback;
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private final AtomicBoolean mCalled;
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/**
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* @hide
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*/
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public OnTranslationResultCallbackWrapper(@NonNull ITranslationCallback callback) {
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mCallback = Objects.requireNonNull(callback);
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mCalled = new AtomicBoolean();
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}
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@Override
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public void accept(TranslationResponse response) {
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assertNotCalled();
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if (mCalled.getAndSet(response.isFinalResponse())) {
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throw new IllegalStateException("Already called with complete response");
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}
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try {
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mCallback.onTranslationResponse(response);
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} catch (RemoteException e) {
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if (e instanceof DeadObjectException) {
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Log.w(TAG, "Process is dead, ignore.");
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return;
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}
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throw e.rethrowAsRuntimeException();
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}
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}
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private void assertNotCalled() {
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if (mCalled.get()) {
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throw new IllegalStateException("Already called");
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}
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}
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}
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