CdmaSMSDispatcher.java revision 63418bbd2a9d7cc88ae24cc5ae776c01d688fc3a 
1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.internal.telephony.cdma;
18
19import android.app.Activity;
20import android.app.PendingIntent;
21import android.app.PendingIntent.CanceledException;
22import android.content.Intent;
23import android.os.Message;
24import android.os.SystemProperties;
25import android.provider.Telephony.Sms;
26import android.telephony.Rlog;
27import android.telephony.SmsManager;
28
29import com.android.internal.telephony.GsmAlphabet;
30import com.android.internal.telephony.ImsSMSDispatcher;
31import com.android.internal.telephony.PhoneBase;
32import com.android.internal.telephony.SMSDispatcher;
33import com.android.internal.telephony.SmsConstants;
34import com.android.internal.telephony.SmsHeader;
35import com.android.internal.telephony.SmsUsageMonitor;
36import com.android.internal.telephony.TelephonyProperties;
37import com.android.internal.telephony.cdma.sms.UserData;
38
39import java.util.HashMap;
40
41public class CdmaSMSDispatcher extends SMSDispatcher {
42    private static final String TAG = "CdmaSMSDispatcher";
43    private static final boolean VDBG = false;
44
45    public CdmaSMSDispatcher(PhoneBase phone, SmsUsageMonitor usageMonitor,
46            ImsSMSDispatcher imsSMSDispatcher) {
47        super(phone, usageMonitor, imsSMSDispatcher);
48        Rlog.d(TAG, "CdmaSMSDispatcher created");
49    }
50
51    @Override
52    protected String getFormat() {
53        return SmsConstants.FORMAT_3GPP2;
54    }
55
56    /**
57     * Send the SMS status report to the dispatcher thread to process.
58     * @param sms the CDMA SMS message containing the status report
59     */
60    void sendStatusReportMessage(SmsMessage sms) {
61        if (VDBG) Rlog.d(TAG, "sending EVENT_HANDLE_STATUS_REPORT message");
62        sendMessage(obtainMessage(EVENT_HANDLE_STATUS_REPORT, sms));
63    }
64
65    @Override
66    protected void handleStatusReport(Object o) {
67        if (o instanceof SmsMessage) {
68            if (VDBG) Rlog.d(TAG, "calling handleCdmaStatusReport()");
69            handleCdmaStatusReport((SmsMessage) o);
70        } else {
71            Rlog.e(TAG, "handleStatusReport() called for object type " + o.getClass().getName());
72        }
73    }
74
75    /**
76     * Called from parent class to handle status report from {@code CdmaInboundSmsHandler}.
77     * @param sms the CDMA SMS message to process
78     */
79    void handleCdmaStatusReport(SmsMessage sms) {
80        for (int i = 0, count = deliveryPendingList.size(); i < count; i++) {
81            SmsTracker tracker = deliveryPendingList.get(i);
82            if (tracker.mMessageRef == sms.mMessageRef) {
83                // Found it.  Remove from list and broadcast.
84                deliveryPendingList.remove(i);
85                // Update the message status (COMPLETE)
86                tracker.updateSentMessageStatus(mContext, Sms.STATUS_COMPLETE);
87
88                PendingIntent intent = tracker.mDeliveryIntent;
89                Intent fillIn = new Intent();
90                fillIn.putExtra("pdu", sms.getPdu());
91                fillIn.putExtra("format", getFormat());
92                try {
93                    intent.send(mContext, Activity.RESULT_OK, fillIn);
94                } catch (CanceledException ex) {}
95                break;  // Only expect to see one tracker matching this message.
96            }
97        }
98    }
99
100    /** {@inheritDoc} */
101    @Override
102    protected void sendData(String destAddr, String scAddr, int destPort,
103            byte[] data, PendingIntent sentIntent, PendingIntent deliveryIntent) {
104        SmsMessage.SubmitPdu pdu = SmsMessage.getSubmitPdu(
105                scAddr, destAddr, destPort, data, (deliveryIntent != null));
106        HashMap map = getSmsTrackerMap(destAddr, scAddr, destPort, data, pdu);
107        SmsTracker tracker = getSmsTracker(map, sentIntent, deliveryIntent,
108                getFormat());
109        sendSubmitPdu(tracker);
110    }
111
112    /** {@inheritDoc} */
113    @Override
114    protected void sendText(String destAddr, String scAddr, String text,
115            PendingIntent sentIntent, PendingIntent deliveryIntent) {
116        SmsMessage.SubmitPdu pdu = SmsMessage.getSubmitPdu(
117                scAddr, destAddr, text, (deliveryIntent != null), null);
118        HashMap map = getSmsTrackerMap(destAddr, scAddr, text, pdu);
119        SmsTracker tracker = getSmsTracker(map, sentIntent,
120                deliveryIntent, getFormat());
121        sendSubmitPdu(tracker);
122    }
123
124    /** {@inheritDoc} */
125    @Override
126    protected void injectSmsPdu(byte[] pdu, String format, PendingIntent receivedIntent) {
127        throw new IllegalStateException("This method must be called only on ImsSMSDispatcher");
128    }
129
130    /** {@inheritDoc} */
131    @Override
132    protected GsmAlphabet.TextEncodingDetails calculateLength(CharSequence messageBody,
133            boolean use7bitOnly) {
134        return SmsMessage.calculateLength(messageBody, use7bitOnly);
135    }
136
137    /** {@inheritDoc} */
138    @Override
139    protected void sendNewSubmitPdu(String destinationAddress, String scAddress,
140            String message, SmsHeader smsHeader, int encoding,
141            PendingIntent sentIntent, PendingIntent deliveryIntent, boolean lastPart) {
142        UserData uData = new UserData();
143        uData.payloadStr = message;
144        uData.userDataHeader = smsHeader;
145        if (encoding == SmsConstants.ENCODING_7BIT) {
146            uData.msgEncoding = UserData.ENCODING_GSM_7BIT_ALPHABET;
147        } else { // assume UTF-16
148            uData.msgEncoding = UserData.ENCODING_UNICODE_16;
149        }
150        uData.msgEncodingSet = true;
151
152        /* By setting the statusReportRequested bit only for the
153         * last message fragment, this will result in only one
154         * callback to the sender when that last fragment delivery
155         * has been acknowledged. */
156        SmsMessage.SubmitPdu submitPdu = SmsMessage.getSubmitPdu(destinationAddress,
157                uData, (deliveryIntent != null) && lastPart);
158
159        HashMap map = getSmsTrackerMap(destinationAddress, scAddress,
160                message, submitPdu);
161        SmsTracker tracker = getSmsTracker(map, sentIntent,
162                deliveryIntent, getFormat());
163        sendSubmitPdu(tracker);
164    }
165
166    protected void sendSubmitPdu(SmsTracker tracker) {
167        if (SystemProperties.getBoolean(TelephonyProperties.PROPERTY_INECM_MODE, false)) {
168            if (tracker.mSentIntent != null) {
169                try {
170                    tracker.mSentIntent.send(SmsManager.RESULT_ERROR_NO_SERVICE);
171                } catch (CanceledException ex) {}
172            }
173            if (VDBG) {
174                Rlog.d(TAG, "Block SMS in Emergency Callback mode");
175            }
176            return;
177        }
178        sendRawPdu(tracker);
179    }
180
181    /** {@inheritDoc} */
182    @Override
183    protected void sendSms(SmsTracker tracker) {
184        HashMap<String, Object> map = tracker.mData;
185
186        // byte[] smsc = (byte[]) map.get("smsc");  // unused for CDMA
187        byte[] pdu = (byte[]) map.get("pdu");
188
189        Message reply = obtainMessage(EVENT_SEND_SMS_COMPLETE, tracker);
190
191        Rlog.d(TAG, "sendSms: "
192                +" isIms()="+isIms()
193                +" mRetryCount="+tracker.mRetryCount
194                +" mImsRetry="+tracker.mImsRetry
195                +" mMessageRef="+tracker.mMessageRef
196                +" SS=" +mPhone.getServiceState().getState());
197
198        // sms over cdma is used:
199        //   if sms over IMS is not supported AND
200        //   this is not a retry case after sms over IMS failed
201        //     indicated by mImsRetry > 0
202        if (0 == tracker.mImsRetry && !isIms()) {
203            mCi.sendCdmaSms(pdu, reply);
204        } else {
205            mCi.sendImsCdmaSms(pdu, tracker.mImsRetry, tracker.mMessageRef, reply);
206            // increment it here, so in case of SMS_FAIL_RETRY over IMS
207            // next retry will be sent using IMS request again.
208            tracker.mImsRetry++;
209        }
210    }
211}
212