114 lines
3.3 KiB
Java
114 lines
3.3 KiB
Java
/*
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* Copyright (C) 2010 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.os;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.annotation.SystemApi;
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import android.compat.annotation.UnsupportedAppUsage;
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/**
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* @hide
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*/
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@SystemApi
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@android.ravenwood.annotation.RavenwoodKeepWholeClass
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public final class RemoteCallback implements Parcelable {
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public interface OnResultListener {
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void onResult(@Nullable Bundle result);
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}
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private final OnResultListener mListener;
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@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P)
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private final Handler mHandler;
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private final IRemoteCallback mCallback;
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public RemoteCallback(OnResultListener listener) {
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this(listener, null);
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}
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public RemoteCallback(@NonNull OnResultListener listener, @Nullable Handler handler) {
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if (listener == null) {
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throw new NullPointerException("listener cannot be null");
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}
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mListener = listener;
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mHandler = handler;
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mCallback = new IRemoteCallback.Stub() {
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@Override
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public void sendResult(Bundle data) {
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RemoteCallback.this.sendResult(data);
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}
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};
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}
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RemoteCallback(Parcel parcel) {
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mListener = null;
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mHandler = null;
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mCallback = IRemoteCallback.Stub.asInterface(
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parcel.readStrongBinder());
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}
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public void sendResult(@Nullable final Bundle result) {
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// Do local dispatch
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if (mListener != null) {
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if (mHandler != null) {
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mHandler.post(new Runnable() {
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@Override
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public void run() {
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mListener.onResult(result);
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}
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});
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} else {
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mListener.onResult(result);
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}
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// Do remote dispatch
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} else {
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try {
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mCallback.sendResult(result);
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} catch (RemoteException e) {
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/* ignore */
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}
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}
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}
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/** @hide */
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public IRemoteCallback getInterface() {
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return mCallback;
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}
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@Override
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public int describeContents() {
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return 0;
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}
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@Override
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public void writeToParcel(Parcel parcel, int flags) {
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parcel.writeStrongBinder(mCallback.asBinder());
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}
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public static final @android.annotation.NonNull Parcelable.Creator<RemoteCallback> CREATOR
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= new Parcelable.Creator<RemoteCallback>() {
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public RemoteCallback createFromParcel(Parcel parcel) {
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return new RemoteCallback(parcel);
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}
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public RemoteCallback[] newArray(int size) {
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return new RemoteCallback[size];
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}
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};
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}
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