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/*
* Copyright (C) 2022 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 com.google.android.setupcompat.bts;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Binder;
import androidx.annotation.NonNull;
import com.google.android.setupcompat.internal.Preconditions;
import com.google.android.setupcompat.util.Logger;
import java.util.concurrent.Executor;
/** Class to receive broadcast intent from SUW, and execute the client's task in the executor. */
public abstract class AbstractSetupBtsReceiver extends BroadcastReceiver {
private static final Logger LOG = new Logger(AbstractSetupBtsReceiver.class);
@Override
public void onReceive(Context context, Intent intent) {
if (intent != null && getIntentAction().equals(intent.getAction())) {
Executor executor = getExecutor();
String simpleClassName = this.getClass().getSimpleName();
if (executor != null) {
executor.execute(
() -> {
Preconditions.ensureNotOnMainThread(simpleClassName + "::onStartTask");
onStartTask();
});
}
} else {
LOG.w(
"["
+ this.getClass().getSimpleName()
+ "] Unauthorized binder uid="
+ Binder.getCallingUid()
+ ", intentAction="
+ (intent == null ? "(null)" : intent.getAction()));
}
}
/**
* Gets the intent action that expected to execute the task. Use to avoid the receiver launch
* unexpectedly.
*/
@NonNull
protected abstract String getIntentAction();
/** Returns the executor used to execute the task. */
@NonNull
protected abstract Executor getExecutor();
/** Tasks can be done before activity launched, in order to remove the loading before activity. */
protected abstract void onStartTask();
}
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