Tweak MMS retrieval and submission.

1) Only attempt direct connect outside of MMS radio mode on CDMA.

2) Don't switch back to normal radio state if pending messages remain.

src/org/thoughtcrime/securesms/service/MmsDownloader.java

@@ -18,6 +18,7 @@ package org.thoughtcrime.securesms.service;
 
 import android.content.Context;
 import android.content.Intent;
+import android.telephony.TelephonyManager;
 import android.util.Log;
 
 import org.thoughtcrime.securesms.R;
@@ -46,7 +47,8 @@ public class MmsDownloader extends MmscProcessor {
 
   public void process(MasterSecret masterSecret, Intent intent) {
     if (intent.getAction().equals(SendReceiveService.DOWNLOAD_MMS_ACTION)) {
-      DownloadItem item = new DownloadItem(masterSecret, false, false,
+      boolean isCdma    = ((TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE)).getPhoneType() == TelephonyManager.PHONE_TYPE_CDMA;
+      DownloadItem item = new DownloadItem(masterSecret, !isCdma, false,
                                            intent.getLongExtra("message_id", -1),
                                            intent.getLongExtra("thread_id", -1),
                                            intent.getStringExtra("content_location"),
@@ -147,7 +149,9 @@ public class MmsDownloader extends MmscProcessor {
         downloadMms(item);
       }
 
-      finishConnectivity();
+      if (pendingMessages.isEmpty())
+        finishConnectivity();
+
     } else if (!isConnected() && !isConnectivityPossible()) {
       pendingMessages.clear();
 

src/org/thoughtcrime/securesms/service/MmsSender.java

@@ -64,13 +64,14 @@ public class MmsSender extends MmscProcessor {
   public void process(MasterSecret masterSecret, Intent intent) {
     if (intent.getAction().equals(SendReceiveService.SEND_MMS_ACTION)) {
       long messageId       = intent.getLongExtra("message_id", -1);
+      boolean isCdma       = ((TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE)).getPhoneType() == TelephonyManager.PHONE_TYPE_CDMA;
       MmsDatabase database = DatabaseFactory.getEncryptingMmsDatabase(context, masterSecret);
 
       try {
         List<SendReq> sendRequests = getOutgoingMessages(masterSecret, messageId);
 
         for (SendReq sendRequest : sendRequests) {
-          handleSendMmsAction(new SendItem(masterSecret, sendRequest, messageId != -1, false, false));
+          handleSendMmsAction(new SendItem(masterSecret, sendRequest, messageId != -1, !isCdma, false));
         }
 
       } catch (MmsException me) {
@@ -192,12 +193,15 @@ public class MmsSender extends MmscProcessor {
       return;
     }
 
-    for (SendItem item : pendingMessages) {
+    List<SendItem> outgoing = (List<SendItem>)pendingMessages.clone();
+    pendingMessages.clear();
+
+    for (SendItem item : outgoing) {
       sendMmsMessage(item);
     }
 
-    pendingMessages.clear();
-    finishConnectivity();
+    if (pendingMessages.isEmpty())
+      finishConnectivity();
   }
 
   private boolean isInconsistentResponse(SendReq send, SendConf response) {