100 lines
3.4 KiB
Java
100 lines
3.4 KiB
Java
/*
|
|
* Copyright (C) 2018 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.android.internal.infra;
|
|
|
|
import android.annotation.NonNull;
|
|
import android.content.ComponentName;
|
|
import android.content.Context;
|
|
import android.os.Handler;
|
|
import android.os.IInterface;
|
|
import android.util.Slog;
|
|
|
|
import java.io.PrintWriter;
|
|
|
|
/**
|
|
* Base class representing a remote service that can have only one pending requests while not bound.
|
|
*
|
|
* <p>If another request is received while not bound, the previous one will be canceled.
|
|
*
|
|
* @param <S> the concrete remote service class
|
|
* @param <I> the interface of the binder service
|
|
*
|
|
* @deprecated Use {@link ServiceConnector} to manage remote service connections
|
|
*
|
|
* @hide
|
|
*/
|
|
@Deprecated
|
|
public abstract class AbstractSinglePendingRequestRemoteService<S
|
|
extends AbstractSinglePendingRequestRemoteService<S, I>, I extends IInterface>
|
|
extends AbstractRemoteService<S, I> {
|
|
|
|
protected BasePendingRequest<S, I> mPendingRequest;
|
|
|
|
public AbstractSinglePendingRequestRemoteService(@NonNull Context context,
|
|
@NonNull String serviceInterface, @NonNull ComponentName componentName, int userId,
|
|
@NonNull VultureCallback<S> callback, @NonNull Handler handler,
|
|
int bindingFlags, boolean verbose) {
|
|
super(context, serviceInterface, componentName, userId, callback, handler, bindingFlags,
|
|
verbose);
|
|
}
|
|
|
|
@Override // from AbstractRemoteService
|
|
void handlePendingRequests() {
|
|
if (mPendingRequest != null) {
|
|
final BasePendingRequest<S, I> pendingRequest = mPendingRequest;
|
|
mPendingRequest = null;
|
|
handlePendingRequest(pendingRequest);
|
|
}
|
|
}
|
|
|
|
@Override // from AbstractRemoteService
|
|
protected void handleOnDestroy() {
|
|
if (mPendingRequest != null) {
|
|
mPendingRequest.cancel();
|
|
mPendingRequest = null;
|
|
}
|
|
}
|
|
|
|
@Override // from AbstractRemoteService
|
|
void handleBindFailure() {
|
|
if (mPendingRequest != null) {
|
|
if (mVerbose) Slog.v(mTag, "Sending failure to " + mPendingRequest);
|
|
mPendingRequest.onFailed();
|
|
mPendingRequest = null;
|
|
}
|
|
}
|
|
|
|
@Override // from AbstractRemoteService
|
|
public void dump(@NonNull String prefix, @NonNull PrintWriter pw) {
|
|
super.dump(prefix, pw);
|
|
pw.append(prefix).append("hasPendingRequest=")
|
|
.append(String.valueOf(mPendingRequest != null)).println();
|
|
}
|
|
|
|
@Override // from AbstractRemoteService
|
|
void handlePendingRequestWhileUnBound(@NonNull BasePendingRequest<S, I> pendingRequest) {
|
|
if (mPendingRequest != null) {
|
|
if (mVerbose) {
|
|
Slog.v(mTag, "handlePendingRequestWhileUnBound(): cancelling " + mPendingRequest
|
|
+ " to handle " + pendingRequest);
|
|
}
|
|
mPendingRequest.cancel();
|
|
}
|
|
mPendingRequest = pendingRequest;
|
|
}
|
|
}
|