1 files changed, 95 insertions, 0 deletions
diff --git a/src/com/android/cellbroadcastreceiver/CellBroadcastConfigService.java b/src/com/android/cellbroadcastreceiver/CellBroadcastConfigService.java
new file mode 100644
index 00000000..d4c7c53b
--- /dev/null
+++ b/src/com/android/cellbroadcastreceiver/CellBroadcastConfigService.java
@@ -0,0 +1,95 @@
+/*
+ * 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.cellbroadcastreceiver;
+
+import android.app.IntentService;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.content.res.Resources;
+import android.preference.PreferenceManager;
+import android.telephony.SmsCbConstants;
+import android.telephony.SmsManager;
+import android.util.Log;
+
+import com.android.internal.telephony.gsm.SmsCbHeader;
+
+import static com.android.cellbroadcastreceiver.CellBroadcastReceiver.DBG;
+
+/**
+ * This service manages enabling and disabling ranges of message identifiers
+ * that the radio should listen for. It operates independently of the other
+ * services and runs at boot time and after exiting airplane mode.
+ *
+ * Note that the entire range of emergency channels is enabled. Test messages
+ * and lower priority broadcasts are filtered out in CellBroadcastAlertService
+ * if the user has not enabled them in settings.
+ *
+ * TODO: add notification to re-enable channels after a radio reset.
+ */
+public class CellBroadcastConfigService extends IntentService {
+    private static final String TAG = "CellBroadcastConfigService";
+
+    static final String ACTION_ENABLE_CHANNELS = "ACTION_ENABLE_CHANNELS";
+
+    public CellBroadcastConfigService() {
+        super(TAG);          // use class name for worker thread name
+    }
+
+    @Override
+    protected void onHandleIntent(Intent intent) {
+        if (ACTION_ENABLE_CHANNELS.equals(intent.getAction())) {
+            try {
+                SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
+                Resources res = getResources();
+
+                boolean enableEmergencyAlerts = prefs.getBoolean(
+                        CellBroadcastSettings.KEY_ENABLE_EMERGENCY_ALERTS, true);
+
+                boolean enableChannel50Alerts = res.getBoolean(R.bool.show_brazil_settings) &&
+                        prefs.getBoolean(CellBroadcastSettings.KEY_ENABLE_CHANNEL_50_ALERTS, true);
+
+                SmsManager manager = SmsManager.getDefault();
+                if (enableEmergencyAlerts) {
+                    if (DBG) Log.d(TAG, "enabling emergency cell broadcast channels");
+                    manager.enableCellBroadcastRange(
+                            SmsCbConstants.MESSAGE_ID_PWS_FIRST_IDENTIFIER,
+                            SmsCbConstants.MESSAGE_ID_PWS_LAST_IDENTIFIER);
+                    if (DBG) Log.d(TAG, "enabled emergency cell broadcast channels");
+                } else {
+                    // we may have enabled these channels previously, so try to disable them
+                    if (DBG) Log.d(TAG, "disabling emergency cell broadcast channels");
+                    manager.disableCellBroadcastRange(
+                            SmsCbConstants.MESSAGE_ID_PWS_FIRST_IDENTIFIER,
+                            SmsCbConstants.MESSAGE_ID_PWS_LAST_IDENTIFIER);
+                    if (DBG) Log.d(TAG, "disabled emergency cell broadcast channels");
+                }
+
+                if (enableChannel50Alerts) {
+                    if (DBG) Log.d(TAG, "enabling cell broadcast channel 50");
+                    manager.enableCellBroadcast(50);
+                    if (DBG) Log.d(TAG, "enabled cell broadcast channel 50");
+                } else {
+                    if (DBG) Log.d(TAG, "disabling cell broadcast channel 50");
+                    manager.disableCellBroadcast(50);
+                    if (DBG) Log.d(TAG, "disabled cell broadcast channel 50");
+                }
+            } catch (Exception ex) {
+                Log.e(TAG, "exception enabling cell broadcast channels", ex);
+            }
+        }
+    }
+}