1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/*
* Copyright (C) 2011 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 com.android.internal.telephony;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.AsyncResult;
import android.os.Handler;
import android.os.Message;
import android.os.PowerManager;
import android.provider.Telephony.Sms.Intents;
import android.util.Log;
/**
* Monitors the device and ICC storage, and sends the appropriate events.
*
* This code was formerly part of {@link SMSDispatcher}, and has been moved
* into a separate class to support instantiation of multiple SMSDispatchers on
* dual-mode devices that require support for both 3GPP and 3GPP2 format messages.
*/
public final class SmsStorageMonitor extends Handler {
private static final String TAG = "SmsStorageMonitor";
/** SIM/RUIM storage is full */
private static final int EVENT_ICC_FULL = 1;
/** Memory status reporting is acknowledged by RIL */
private static final int EVENT_REPORT_MEMORY_STATUS_DONE = 2;
/** Radio is ON */
private static final int EVENT_RADIO_ON = 3;
/** Context from phone object passed to constructor. */
private final Context mContext;
/** Wake lock to ensure device stays awake while dispatching the SMS intent. */
private PowerManager.WakeLock mWakeLock;
private boolean mReportMemoryStatusPending;
final CommandsInterface mCm; // accessed from inner class
boolean mStorageAvailable = true; // accessed from inner class
/**
* Hold the wake lock for 5 seconds, which should be enough time for
* any receiver(s) to grab its own wake lock.
*/
private static final int WAKE_LOCK_TIMEOUT = 5000;
/**
* Creates an SmsStorageMonitor and registers for events.
* @param phone the Phone to use
*/
public SmsStorageMonitor(PhoneBase phone) {
mContext = phone.getContext();
mCm = phone.mCM;
createWakelock();
mCm.setOnIccSmsFull(this, EVENT_ICC_FULL, null);
mCm.registerForOn(this, EVENT_RADIO_ON, null);
// Register for device storage intents. Use these to notify the RIL
// that storage for SMS is or is not available.
IntentFilter filter = new IntentFilter();
filter.addAction(Intent.ACTION_DEVICE_STORAGE_FULL);
filter.addAction(Intent.ACTION_DEVICE_STORAGE_NOT_FULL);
mContext.registerReceiver(mResultReceiver, filter);
}
public void dispose() {
mCm.unSetOnIccSmsFull(this);
mCm.unregisterForOn(this);
mContext.unregisterReceiver(mResultReceiver);
}
/**
* Handles events coming from the phone stack. Overridden from handler.
* @param msg the message to handle
*/
@Override
public void handleMessage(Message msg) {
AsyncResult ar;
switch (msg.what) {
case EVENT_ICC_FULL:
handleIccFull();
break;
case EVENT_REPORT_MEMORY_STATUS_DONE:
ar = (AsyncResult) msg.obj;
if (ar.exception != null) {
mReportMemoryStatusPending = true;
Log.v(TAG, "Memory status report to modem pending : mStorageAvailable = "
+ mStorageAvailable);
} else {
mReportMemoryStatusPending = false;
}
break;
case EVENT_RADIO_ON:
if (mReportMemoryStatusPending) {
Log.v(TAG, "Sending pending memory status report : mStorageAvailable = "
+ mStorageAvailable);
mCm.reportSmsMemoryStatus(mStorageAvailable,
obtainMessage(EVENT_REPORT_MEMORY_STATUS_DONE));
}
break;
}
}
private void createWakelock() {
PowerManager pm = (PowerManager)mContext.getSystemService(Context.POWER_SERVICE);
mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "SmsStorageMonitor");
mWakeLock.setReferenceCounted(true);
}
/**
* Called when SIM_FULL message is received from the RIL. Notifies interested
* parties that SIM storage for SMS messages is full.
*/
private void handleIccFull() {
// broadcast SIM_FULL intent
Intent intent = new Intent(Intents.SIM_FULL_ACTION);
mWakeLock.acquire(WAKE_LOCK_TIMEOUT);
mContext.sendBroadcast(intent, SMSDispatcher.RECEIVE_SMS_PERMISSION);
}
/** Returns whether or not there is storage available for an incoming SMS. */
public boolean isStorageAvailable() {
return mStorageAvailable;
}
private final BroadcastReceiver mResultReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(Intent.ACTION_DEVICE_STORAGE_FULL)) {
mStorageAvailable = false;
mCm.reportSmsMemoryStatus(false, obtainMessage(EVENT_REPORT_MEMORY_STATUS_DONE));
} else if (intent.getAction().equals(Intent.ACTION_DEVICE_STORAGE_NOT_FULL)) {
mStorageAvailable = true;
mCm.reportSmsMemoryStatus(true, obtainMessage(EVENT_REPORT_MEMORY_STATUS_DONE));
}
}
};
}
|
