Return total number of results from IMAP search

Change-Id: I44eb83042774294aa5aaa8f45a46b82dd78b0141

src/com/android/email/Controller.java

@@ -912,11 +912,11 @@ public class Controller {
      * @param searchParams the parameters for this search
      * @throws MessagingException
      */
-    public void searchMessages(final long accountId, final SearchParams searchParams)
+    public int searchMessages(final long accountId, final SearchParams searchParams)
             throws MessagingException {
         // Find/create our search mailbox
         Mailbox searchMailbox = getSearchMailbox(accountId);
-        if (searchMailbox == null) return;
+        if (searchMailbox == null) return 0;
         final long searchMailboxId = searchMailbox.mId;
         // Save this away (per account)
         sSearchParamsMap.put(accountId, searchParams);
@@ -937,11 +937,12 @@ public class Controller {
         if (service != null) {
             // Service implementation
             try {
-                service.searchMessages(accountId, searchParams, searchMailboxId);
+                return service.searchMessages(accountId, searchParams, searchMailboxId);
             } catch (RemoteException e) {
                 // TODO Change exception handling to be consistent with however this method
                 // is implemented for other protocols
                 Log.e("searchMessages", "RemoteException", e);
+                return 0;
             }
         } else {
             // This is the actual mailbox we'll be searching
@@ -949,13 +950,13 @@ public class Controller {
             if (actualMailbox == null) {
                 Log.e(Logging.LOG_TAG, "Unable to find mailbox " + searchParams.mMailboxId
                         + " to search in with " + searchParams);
-                return;
+                return 0;
             }
             // Do the search
             if (Email.DEBUG) {
                 Log.d(Logging.LOG_TAG, "Search: " + searchParams.mFilter);
             }
-            mLegacyController.searchMailbox(accountId, searchParams, searchMailboxId);
+            return mLegacyController.searchMailbox(accountId, searchParams, searchMailboxId);
         }
     }
 

src/com/android/email/MessagingController.java

@@ -590,10 +590,10 @@ public class MessagingController implements Runnable {
         }
     }
 
-    public void searchMailbox(long accountId, SearchParams searchParams, long destMailboxId)
+    public int searchMailbox(long accountId, SearchParams searchParams, long destMailboxId)
             throws MessagingException {
         try {
-            searchMailboxImpl(accountId, searchParams, destMailboxId);
+            return searchMailboxImpl(accountId, searchParams, destMailboxId);
         } finally {
             // Tell UI that we're done loading any search results (no harm calling this even if we
             // encountered an error or never sent a "started" message)
@@ -601,7 +601,7 @@ public class MessagingController implements Runnable {
         }
     }
 
-    private void searchMailboxImpl(long accountId, SearchParams searchParams,
+    private int searchMailboxImpl(long accountId, SearchParams searchParams,
             final long destMailboxId) throws MessagingException {
         final Account account = Account.restoreAccountWithId(mContext, accountId);
         final Mailbox mailbox = Mailbox.restoreMailboxWithId(mContext, searchParams.mMailboxId);
@@ -609,7 +609,7 @@ public class MessagingController implements Runnable {
         if (account == null || mailbox == null || destMailbox == null) {
             Log.d(Logging.LOG_TAG, "Attempted search for " + searchParams
                     + " but account or mailbox information was missing");
-            return;
+            return 0;
         }
 
         // Tell UI that we're loading messages
@@ -645,10 +645,11 @@ public class MessagingController implements Runnable {
             sortableMessages = sSearchResults.get(accountId);
         }
 
-        int numSearchResults = sortableMessages.length;
-        int numToLoad = Math.min(numSearchResults - searchParams.mOffset, searchParams.mLimit);
+        final int numSearchResults = sortableMessages.length;
+        final int numToLoad =
+            Math.min(numSearchResults - searchParams.mOffset, searchParams.mLimit);
         if (numToLoad <= 0) {
-            return;
+            return 0;
         }
 
         final ArrayList<Message> messageList = new ArrayList<Message>();
@@ -700,6 +701,7 @@ public class MessagingController implements Runnable {
             public void loadAttachmentProgress(int progress) {
             }
         });
+        return numSearchResults;
     }