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/*
* Copyright 2017 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 android.telephony.data;
import android.annotation.IntDef;
import android.net.LinkProperties;
import android.os.RemoteException;
import android.telephony.Rlog;
import android.telephony.data.DataService.DataServiceProvider;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.ref.WeakReference;
import java.util.List;
/**
* Data service callback, which is for bound data service to invoke for solicited and unsolicited
* response. The caller is responsible to create a callback object for each single asynchronous
* request.
*
* @hide
*/
public class DataServiceCallback {
private static final String TAG = DataServiceCallback.class.getSimpleName();
/**
* Result of data requests
* @hide
*/
@Retention(RetentionPolicy.SOURCE)
@IntDef({RESULT_SUCCESS, RESULT_ERROR_UNSUPPORTED, RESULT_ERROR_INVALID_ARG, RESULT_ERROR_BUSY,
RESULT_ERROR_ILLEGAL_STATE})
public @interface ResultCode {}
/** Request is completed successfully */
public static final int RESULT_SUCCESS = 0;
/** Request is not support */
public static final int RESULT_ERROR_UNSUPPORTED = 1;
/** Request contains invalid arguments */
public static final int RESULT_ERROR_INVALID_ARG = 2;
/** Service is busy */
public static final int RESULT_ERROR_BUSY = 3;
/** Request sent in illegal state */
public static final int RESULT_ERROR_ILLEGAL_STATE = 4;
private final WeakReference<IDataServiceCallback> mCallback;
/** @hide */
public DataServiceCallback(IDataServiceCallback callback) {
mCallback = new WeakReference<>(callback);
}
/**
* Called to indicate result for the request {@link DataServiceProvider#setupDataCall(int,
* DataProfile, boolean, boolean, int, LinkProperties, DataServiceCallback)} .
*
* @param result The result code. Must be one of the {@link ResultCode}.
* @param response Setup data call response.
*/
public void onSetupDataCallComplete(@ResultCode int result, DataCallResponse response) {
IDataServiceCallback callback = mCallback.get();
if (callback != null) {
try {
callback.onSetupDataCallComplete(result, response);
} catch (RemoteException e) {
Rlog.e(TAG, "Failed to onSetupDataCallComplete on the remote");
}
}
}
/**
* Called to indicate result for the request {@link DataServiceProvider#deactivateDataCall(int,
* int, DataServiceCallback)}
*
* @param result The result code. Must be one of the {@link ResultCode}.
*/
public void onDeactivateDataCallComplete(@ResultCode int result) {
IDataServiceCallback callback = mCallback.get();
if (callback != null) {
try {
callback.onDeactivateDataCallComplete(result);
} catch (RemoteException e) {
Rlog.e(TAG, "Failed to onDeactivateDataCallComplete on the remote");
}
}
}
/**
* Called to indicate result for the request {@link DataServiceProvider#setInitialAttachApn(
* DataProfile, boolean, DataServiceCallback)}.
*
* @param result The result code. Must be one of the {@link ResultCode}.
*/
public void onSetInitialAttachApnComplete(@ResultCode int result) {
IDataServiceCallback callback = mCallback.get();
if (callback != null) {
try {
callback.onSetInitialAttachApnComplete(result);
} catch (RemoteException e) {
Rlog.e(TAG, "Failed to onSetInitialAttachApnComplete on the remote");
}
}
}
/**
* Called to indicate result for the request {@link DataServiceProvider#setDataProfile(List,
* boolean, DataServiceCallback)}.
*
* @param result The result code. Must be one of the {@link ResultCode}.
*/
public void onSetDataProfileComplete(@ResultCode int result) {
IDataServiceCallback callback = mCallback.get();
if (callback != null) {
try {
callback.onSetDataProfileComplete(result);
} catch (RemoteException e) {
Rlog.e(TAG, "Failed to onSetDataProfileComplete on the remote");
}
}
}
/**
* Called to indicate result for the request {@link DataServiceProvider#getDataCallList(
* DataServiceCallback)}.
*
* @param result The result code. Must be one of the {@link ResultCode}.
* @param dataCallList List of the current active data connection.
*/
public void onGetDataCallListComplete(@ResultCode int result,
List<DataCallResponse> dataCallList) {
IDataServiceCallback callback = mCallback.get();
if (callback != null) {
try {
callback.onGetDataCallListComplete(result, dataCallList);
} catch (RemoteException e) {
Rlog.e(TAG, "Failed to onGetDataCallListComplete on the remote");
}
}
}
/**
* Called to indicate that data connection list changed.
*
* @param dataCallList List of the current active data connection.
*/
public void onDataCallListChanged(List<DataCallResponse> dataCallList) {
IDataServiceCallback callback = mCallback.get();
if (callback != null) {
try {
callback.onDataCallListChanged(dataCallList);
} catch (RemoteException e) {
Rlog.e(TAG, "Failed to onDataCallListChanged on the remote");
}
}
}
}
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