1 /* 2 * Copyright (C) 2007-2008 Esmertec AG. 3 * Copyright (C) 2007-2008 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package com.android.mms.transaction; 19 20 import android.content.BroadcastReceiver; 21 import android.content.Context; 22 import android.content.Intent; 23 import android.content.IntentFilter; 24 import android.net.Uri; 25 import android.provider.Telephony.Mms; 26 import android.util.Log; 27 28 import com.android.internal.telephony.Phone; 29 import com.android.internal.telephony.TelephonyIntents; 30 import com.android.mms.LogTag; 31 import com.google.android.mms.util.PduCache; 32 33 /** 34 * MmsSystemEventReceiver receives the 35 * {@link android.content.intent.ACTION_BOOT_COMPLETED}, 36 * {@link com.android.internal.telephony.TelephonyIntents.ACTION_ANY_DATA_CONNECTION_STATE_CHANGED} 37 * and performs a series of operations which may include: 38 * <ul> 39 * <li>Show/hide the icon in notification area which is used to indicate 40 * whether there is new incoming message.</li> 41 * <li>Resend the MM's in the outbox.</li> 42 * </ul> 43 */ 44 public class MmsSystemEventReceiver extends BroadcastReceiver { 45 private static final String TAG = "MmsSystemEventReceiver"; 46 private static MmsSystemEventReceiver sMmsSystemEventReceiver; 47 48 private static void wakeUpService(Context context) { 49 if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 50 Log.v(TAG, "wakeUpService: start transaction service ..."); 51 } 52 53 context.startService(new Intent(context, TransactionService.class)); 54 } 55 56 @Override 57 public void onReceive(Context context, Intent intent) { 58 if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 59 Log.v(TAG, "Intent received: " + intent); 60 } 61 62 String action = intent.getAction(); 63 if (action.equals(Mms.Intents.CONTENT_CHANGED_ACTION)) { 64 Uri changed = (Uri) intent.getParcelableExtra(Mms.Intents.DELETED_CONTENTS); 65 PduCache.getInstance().purge(changed); 66 } else if (action.equals(TelephonyIntents.ACTION_ANY_DATA_CONNECTION_STATE_CHANGED)) { 67 String state = intent.getStringExtra(Phone.STATE_KEY); 68 69 if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 70 Log.v(TAG, "ANY_DATA_STATE event received: " + state); 71 } 72 73 if (state.equals("CONNECTED")) { 74 wakeUpService(context); 75 } 76 } else if (action.equals(Intent.ACTION_BOOT_COMPLETED)) { 77 // We should check whether there are unread incoming 78 // messages in the Inbox and then update the notification icon. 79 // Called on the UI thread so don't block. 80 MessagingNotification.nonBlockingUpdateNewMessageIndicator(context, false, false); 81 } 82 } 83 84 public static void registerForConnectionStateChanges(Context context) { 85 unRegisterForConnectionStateChanges(context); 86 87 IntentFilter intentFilter = new IntentFilter(); 88 intentFilter.addAction(TelephonyIntents.ACTION_ANY_DATA_CONNECTION_STATE_CHANGED); 89 if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 90 Log.v(TAG, "registerForConnectionStateChanges"); 91 } 92 if (sMmsSystemEventReceiver == null) { 93 sMmsSystemEventReceiver = new MmsSystemEventReceiver(); 94 } 95 96 context.registerReceiver(sMmsSystemEventReceiver, intentFilter); 97 } 98 99 public static void unRegisterForConnectionStateChanges(Context context) { 100 if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) { 101 Log.v(TAG, "unRegisterForConnectionStateChanges"); 102 } 103 if (sMmsSystemEventReceiver != null) { 104 try { 105 context.unregisterReceiver(sMmsSystemEventReceiver); 106 } catch (IllegalArgumentException e) { 107 // Allow un-matched register-unregister calls 108 } 109 } 110 } 111 } 112