CdmaSMSDispatcher.java revision 112c36a6080b6902925d317218acc14183e29842 
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.AppOpsManager;
21import android.app.PendingIntent;
22import android.app.PendingIntent.CanceledException;
23import android.content.BroadcastReceiver;
24import android.content.ComponentName;
25import android.content.Context;
26import android.content.Intent;
27import android.os.AsyncResult;
28import android.os.Message;
29import android.os.SystemProperties;
30import android.provider.Telephony.Sms;
31import android.provider.Telephony.Sms.Intents;
32import android.telephony.Rlog;
33import android.telephony.SmsManager;
34
35import com.android.internal.telephony.GsmAlphabet;
36import com.android.internal.telephony.ImsSMSDispatcher;
37import com.android.internal.telephony.PhoneBase;
38import com.android.internal.telephony.SMSDispatcher;
39import com.android.internal.telephony.SmsConstants;
40import com.android.internal.telephony.SmsHeader;
41import com.android.internal.telephony.SmsUsageMonitor;
42import com.android.internal.telephony.TelephonyProperties;
43import com.android.internal.telephony.cdma.sms.UserData;
44
45import java.util.HashMap;
46
47public class CdmaSMSDispatcher extends SMSDispatcher {
48    private static final String TAG = "CdmaSMSDispatcher";
49    private static final boolean VDBG = false;
50
51    public CdmaSMSDispatcher(PhoneBase phone, SmsUsageMonitor usageMonitor,
52            ImsSMSDispatcher imsSMSDispatcher) {
53        super(phone, usageMonitor, imsSMSDispatcher);
54        Rlog.d(TAG, "CdmaSMSDispatcher created");
55    }
56
57    @Override
58    protected String getFormat() {
59        return SmsConstants.FORMAT_3GPP2;
60    }
61
62    /**
63     * Send the SMS status report to the dispatcher thread to process.
64     * @param sms the CDMA SMS message containing the status report
65     */
66    void sendStatusReportMessage(SmsMessage sms) {
67        if (VDBG) Rlog.d(TAG, "sending EVENT_HANDLE_STATUS_REPORT message");
68        sendMessage(obtainMessage(EVENT_HANDLE_STATUS_REPORT, sms));
69    }
70
71    @Override
72    protected void handleStatusReport(Object o) {
73        if (o instanceof SmsMessage) {
74            if (VDBG) Rlog.d(TAG, "calling handleCdmaStatusReport()");
75            handleCdmaStatusReport((SmsMessage) o);
76        } else {
77            Rlog.e(TAG, "handleStatusReport() called for object type " + o.getClass().getName());
78        }
79    }
80
81    /**
82     * Called from parent class to handle status report from {@code CdmaInboundSmsHandler}.
83     * @param sms the CDMA SMS message to process
84     */
85    void handleCdmaStatusReport(SmsMessage sms) {
86        for (int i = 0, count = deliveryPendingList.size(); i < count; i++) {
87            SmsTracker tracker = deliveryPendingList.get(i);
88            if (tracker.mMessageRef == sms.mMessageRef) {
89                // Found it.  Remove from list and broadcast.
90                deliveryPendingList.remove(i);
91                // Update the message status (COMPLETE)
92                tracker.updateSentMessageStatus(mContext, Sms.STATUS_COMPLETE);
93
94                PendingIntent intent = tracker.mDeliveryIntent;
95                Intent fillIn = new Intent();
96                fillIn.putExtra("pdu", sms.getPdu());
97                fillIn.putExtra("format", getFormat());
98                try {
99                    intent.send(mContext, Activity.RESULT_OK, fillIn);
100                } catch (CanceledException ex) {}
101                break;  // Only expect to see one tracker matching this message.
102            }
103        }
104    }
105
106    /** {@inheritDoc} */
107    @Override
108    protected void sendData(String destAddr, String scAddr, int destPort,
109            byte[] data, PendingIntent sentIntent, PendingIntent deliveryIntent) {
110        SmsMessage.SubmitPdu pdu = SmsMessage.getSubmitPdu(
111                scAddr, destAddr, destPort, data, (deliveryIntent != null));
112        HashMap map = getSmsTrackerMap(destAddr, scAddr, destPort, data, pdu);
113        SmsTracker tracker = getSmsTracker(map, sentIntent, deliveryIntent,
114                getFormat());
115        sendSubmitPdu(tracker);
116    }
117
118    /** {@inheritDoc} */
119    @Override
120    protected void sendText(String destAddr, String scAddr, String text,
121            PendingIntent sentIntent, PendingIntent deliveryIntent) {
122        SmsMessage.SubmitPdu pdu = SmsMessage.getSubmitPdu(
123                scAddr, destAddr, text, (deliveryIntent != null), null);
124        HashMap map = getSmsTrackerMap(destAddr, scAddr, text, pdu);
125        SmsTracker tracker = getSmsTracker(map, sentIntent,
126                deliveryIntent, getFormat());
127        sendSubmitPdu(tracker);
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        Rlog.d(TAG, "sendSms: "
190                + " isIms()=" + isIms()
191                + " mRetryCount=" + tracker.mRetryCount
192                + " mImsRetry=" + tracker.mImsRetry
193                + " mMessageRef=" + tracker.mMessageRef
194                + " SS=" + mPhone.getServiceState().getState());
195
196        // FIX this once the carrier app and SIM restricted API is finalized.
197        // We should direct the intent to only the default carrier app.
198
199        // Send SMS via the carrier app.
200        BroadcastReceiver resultReceiver = new SMSDispatcherReceiver(tracker);
201
202        // Direct the intent to only the default carrier app.
203        Intent intent = new Intent(Intents.SMS_SEND_ACTION);
204        intent.putExtra("pdu", pdu);
205        intent.putExtra("format", getFormat());
206        intent.addFlags(Intent.FLAG_RECEIVER_NO_ABORT);
207        Rlog.d(TAG, "Sending SMS by carrier app.");
208
209        mContext.sendOrderedBroadcast(intent, android.Manifest.permission.RECEIVE_SMS,
210                                      AppOpsManager.OP_RECEIVE_SMS, resultReceiver,
211                                      null, Activity.RESULT_CANCELED, null, null);
212    }
213
214    /** {@inheritDoc} */
215    @Override
216    protected void updateSmsSendStatus(int messageRef, boolean success) {
217        // This function should be defined in ImsDispatcher.
218        Rlog.e(TAG, "updateSmsSendStatus should never be called from here!");
219    }
220
221    /** {@inheritDoc} */
222    @Override
223    protected void sendSmsByPstn(SmsTracker tracker) {
224        Message reply = obtainMessage(EVENT_SEND_SMS_COMPLETE, tracker);
225        byte[] pdu = (byte[]) tracker.mData.get("pdu");
226
227        // sms over cdma is used:
228        //   if sms over IMS is not supported AND
229        //   this is not a retry case after sms over IMS failed
230        //     indicated by mImsRetry > 0
231        if (0 == tracker.mImsRetry && !isIms()) {
232            mCi.sendCdmaSms(pdu, reply);
233        } else {
234            mCi.sendImsCdmaSms(pdu, tracker.mImsRetry, tracker.mMessageRef, reply);
235            // increment it here, so in case of SMS_FAIL_RETRY over IMS
236            // next retry will be sent using IMS request again.
237            tracker.mImsRetry++;
238        }
239    }
240}
241