| /* |
| * Copyright (C) 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.ims.internal; |
| |
| import android.annotation.IntDef; |
| import android.annotation.SystemApi; |
| import android.os.RemoteException; |
| import android.telephony.SmsManager; |
| import android.telephony.SmsMessage; |
| import android.telephony.ims.internal.aidl.IImsSmsListener; |
| import android.telephony.ims.internal.feature.MmTelFeature; |
| import android.util.Log; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| |
| /** |
| * Base implementation for SMS over IMS. |
| * |
| * Any service wishing to provide SMS over IMS should extend this class and implement all methods |
| * that the service supports. |
| * @hide |
| */ |
| public class SmsImplBase { |
| private static final String LOG_TAG = "SmsImplBase"; |
| |
| @IntDef({ |
| SEND_STATUS_OK, |
| SEND_STATUS_ERROR, |
| SEND_STATUS_ERROR_RETRY, |
| SEND_STATUS_ERROR_FALLBACK |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface SendStatusResult {} |
| /** |
| * Message was sent successfully. |
| */ |
| public static final int SEND_STATUS_OK = 1; |
| |
| /** |
| * IMS provider failed to send the message and platform should not retry falling back to sending |
| * the message using the radio. |
| */ |
| public static final int SEND_STATUS_ERROR = 2; |
| |
| /** |
| * IMS provider failed to send the message and platform should retry again after setting TP-RD bit |
| * to high. |
| */ |
| public static final int SEND_STATUS_ERROR_RETRY = 3; |
| |
| /** |
| * IMS provider failed to send the message and platform should retry falling back to sending |
| * the message using the radio. |
| */ |
| public static final int SEND_STATUS_ERROR_FALLBACK = 4; |
| |
| @IntDef({ |
| DELIVER_STATUS_OK, |
| DELIVER_STATUS_ERROR |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface DeliverStatusResult {} |
| /** |
| * Message was delivered successfully. |
| */ |
| public static final int DELIVER_STATUS_OK = 1; |
| |
| /** |
| * Message was not delivered. |
| */ |
| public static final int DELIVER_STATUS_ERROR = 2; |
| |
| @IntDef({ |
| STATUS_REPORT_STATUS_OK, |
| STATUS_REPORT_STATUS_ERROR |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface StatusReportResult {} |
| |
| /** |
| * Status Report was set successfully. |
| */ |
| public static final int STATUS_REPORT_STATUS_OK = 1; |
| |
| /** |
| * Error while setting status report. |
| */ |
| public static final int STATUS_REPORT_STATUS_ERROR = 2; |
| |
| |
| // Lock for feature synchronization |
| private final Object mLock = new Object(); |
| private IImsSmsListener mListener; |
| |
| /** |
| * Registers a listener responsible for handling tasks like delivering messages. |
| * |
| * @param listener listener to register. |
| * |
| * @hide |
| */ |
| public final void registerSmsListener(IImsSmsListener listener) { |
| synchronized (mLock) { |
| mListener = listener; |
| } |
| } |
| |
| /** |
| * This method will be triggered by the platform when the user attempts to send an SMS. This |
| * method should be implemented by the IMS providers to provide implementation of sending an SMS |
| * over IMS. |
| * |
| * @param smsc the Short Message Service Center address. |
| * @param format the format of the message. Valid values are {@link SmsMessage#FORMAT_3GPP} and |
| * {@link SmsMessage#FORMAT_3GPP2}. |
| * @param messageRef the message reference. |
| * @param isRetry whether it is a retry of an already attempted message or not. |
| * @param pdu PDUs representing the contents of the message. |
| */ |
| public void sendSms(int messageRef, String format, String smsc, boolean isRetry, byte[] pdu) { |
| // Base implementation returns error. Should be overridden. |
| try { |
| onSendSmsResult(messageRef, SEND_STATUS_ERROR, SmsManager.RESULT_ERROR_GENERIC_FAILURE); |
| } catch (RemoteException e) { |
| Log.e(LOG_TAG, "Can not send sms: " + e.getMessage()); |
| } |
| } |
| |
| /** |
| * This method will be triggered by the platform after {@link #onSmsReceived(String, byte[])} has |
| * been called to deliver the result to the IMS provider. |
| * |
| * @param result result of delivering the message. Valid values are defined in |
| * {@link DeliverStatusResult} |
| * @param messageRef the message reference or -1 of unavailable. |
| */ |
| public void acknowledgeSms(int messageRef, @DeliverStatusResult int result) { |
| |
| } |
| |
| /** |
| * This method will be triggered by the platform after |
| * {@link #onSmsStatusReportReceived(int, int, byte[])} has been called to provide the result to |
| * the IMS provider. |
| * |
| * @param result result of delivering the message. Valid values are defined in |
| * {@link StatusReportResult} |
| * @param messageRef the message reference or -1 of unavailable. |
| */ |
| public void acknowledgeSmsReport(int messageRef, @StatusReportResult int result) { |
| |
| } |
| |
| /** |
| * This method should be triggered by the IMS providers when there is an incoming message. The |
| * platform will deliver the message to the messages database and notify the IMS provider of the |
| * result by calling {@link #acknowledgeSms(int, int)}. |
| * |
| * This method must not be called before {@link MmTelFeature#onFeatureReady()} is called. |
| * |
| * @param format the format of the message. Valid values are {@link SmsMessage#FORMAT_3GPP} and |
| * {@link SmsMessage#FORMAT_3GPP2}. |
| * @param pdu PDUs representing the contents of the message. |
| * @throws IllegalStateException if called before {@link MmTelFeature#onFeatureReady()} |
| */ |
| public final void onSmsReceived(String format, byte[] pdu) throws IllegalStateException { |
| synchronized (mLock) { |
| if (mListener == null) { |
| throw new IllegalStateException("Feature not ready."); |
| } |
| try { |
| mListener.onSmsReceived(format, pdu); |
| acknowledgeSms(-1, DELIVER_STATUS_OK); |
| } catch (RemoteException e) { |
| Log.e(LOG_TAG, "Can not deliver sms: " + e.getMessage()); |
| acknowledgeSms(-1, DELIVER_STATUS_ERROR); |
| } |
| } |
| } |
| |
| /** |
| * This method should be triggered by the IMS providers to pass the result of the sent message |
| * to the platform. |
| * |
| * This method must not be called before {@link MmTelFeature#onFeatureReady()} is called. |
| * |
| * @param messageRef the message reference. Should be between 0 and 255 per TS.123.040 |
| * @param status result of sending the SMS. Valid values are defined in {@link SendStatusResult} |
| * @param reason reason in case status is failure. Valid values are: |
| * {@link SmsManager#RESULT_ERROR_NONE}, |
| * {@link SmsManager#RESULT_ERROR_GENERIC_FAILURE}, |
| * {@link SmsManager#RESULT_ERROR_RADIO_OFF}, |
| * {@link SmsManager#RESULT_ERROR_NULL_PDU}, |
| * {@link SmsManager#RESULT_ERROR_NO_SERVICE}, |
| * {@link SmsManager#RESULT_ERROR_LIMIT_EXCEEDED}, |
| * {@link SmsManager#RESULT_ERROR_SHORT_CODE_NOT_ALLOWED}, |
| * {@link SmsManager#RESULT_ERROR_SHORT_CODE_NEVER_ALLOWED} |
| * @throws IllegalStateException if called before {@link MmTelFeature#onFeatureReady()} |
| * @throws RemoteException if the connection to the framework is not available. If this happens |
| * attempting to send the SMS should be aborted. |
| */ |
| public final void onSendSmsResult(int messageRef, @SendStatusResult int status, int reason) |
| throws IllegalStateException, RemoteException { |
| synchronized (mLock) { |
| if (mListener == null) { |
| throw new IllegalStateException("Feature not ready."); |
| } |
| mListener.onSendSmsResult(messageRef, status, reason); |
| } |
| } |
| |
| /** |
| * Sets the status report of the sent message. |
| * |
| * @param messageRef the message reference. |
| * @param format the format of the message. Valid values are {@link SmsMessage#FORMAT_3GPP} and |
| * {@link SmsMessage#FORMAT_3GPP2}. |
| * @param pdu PDUs representing the content of the status report. |
| * @throws IllegalStateException if called before {@link MmTelFeature#onFeatureReady()} |
| */ |
| public final void onSmsStatusReportReceived(int messageRef, String format, byte[] pdu) { |
| synchronized (mLock) { |
| if (mListener == null) { |
| throw new IllegalStateException("Feature not ready."); |
| } |
| try { |
| mListener.onSmsStatusReportReceived(messageRef, format, pdu); |
| } catch (RemoteException e) { |
| Log.e(LOG_TAG, "Can not process sms status report: " + e.getMessage()); |
| acknowledgeSmsReport(messageRef, STATUS_REPORT_STATUS_ERROR); |
| } |
| } |
| } |
| |
| /** |
| * Returns the SMS format. Default is {@link SmsMessage#FORMAT_3GPP} unless overridden by IMS |
| * Provider. |
| * |
| * @return the format of the message. Valid values are {@link SmsMessage#FORMAT_3GPP} and |
| * {@link SmsMessage#FORMAT_3GPP2}. |
| */ |
| public String getSmsFormat() { |
| return SmsMessage.FORMAT_3GPP; |
| } |
| |
| } |