am 12650115: Merge "Don\'t push things that haven\'t performed initial sync." into jb-ub-mail-ur10

* commit '12650115857424428282d7e0fad195397e51128d':
  Don't push things that haven't performed initial sync.

emailcommon/src/com/android/emailcommon/provider/EmailContent.java

@@ -162,6 +162,10 @@ public abstract class EmailContent {
         }
     }
 
+    public static boolean isInitialSyncKey(final String syncKey) {
+        return syncKey == null || syncKey.isEmpty() || syncKey.equals("0");
+    }
+
     // The Uri is lazily initialized
     public Uri getUri() {
         if (mUri == null) {

emailcommon/src/com/android/emailcommon/provider/Mailbox.java

@@ -188,9 +188,14 @@ public class Mailbox extends EmailContent implements MailboxColumns, Parcelable
         MailboxColumns.TYPE + "<" + Mailbox.TYPE_NOT_EMAIL +
         " AND " + MailboxColumns.FLAG_VISIBLE + "=1";
 
-    /** Selection for all mailboxes that explicitly say they want to sync for an account. */
-    private static final String SYNCING_AND_ACCOUNT_SELECTION =
-            MailboxColumns.SYNC_INTERVAL + "=1 and " + MailboxColumns.ACCOUNT_KEY + "=?";
+    /**
+     * Selection for mailboxes that should receive push for an account. A mailbox should receive
+     * push if it has a valid, non-initial sync key and is opted in for sync.
+     */
+    private static final String PUSH_MAILBOXES_FOR_ACCOUNT_SELECTION =
+            MailboxColumns.SYNC_KEY + "not null and " + MailboxColumns.SYNC_KEY + "!='' and " +
+                    MailboxColumns.SYNC_KEY + "!='0'" + MailboxColumns.SYNC_INTERVAL + "=1 and " +
+                    MailboxColumns.ACCOUNT_KEY + "=?";
 
     /** Selection for mailboxes that say they want to sync, plus outbox, for an account. */
     private static final String OUTBOX_PLUS_SYNCING_AND_ACCOUNT_SELECTION = "("
@@ -787,14 +792,15 @@ public class Mailbox extends EmailContent implements MailboxColumns, Parcelable
     }
 
     /**
-     * Get the mailboxes that want to receive push updates for an account.
+     * Get the mailboxes that should receive push updates for an account.
      * @param cr The {@link ContentResolver}.
      * @param accountId The id for the account that is pushing.
      * @return A cursor (suitable for use with {@link #restore}) with all mailboxes we should sync.
      */
     public static Cursor getMailboxesForPush(final ContentResolver cr, final long accountId) {
         return cr.query(Mailbox.CONTENT_URI, Mailbox.CONTENT_PROJECTION,
-                SYNCING_AND_ACCOUNT_SELECTION, new String[] { Long.toString(accountId) }, null);
+                PUSH_MAILBOXES_FOR_ACCOUNT_SELECTION, new String[] { Long.toString(accountId) },
+                null);
     }
 
     /**

src/com/android/email/provider/EmailProvider.java

@@ -1506,12 +1506,14 @@ public class EmailProvider extends ContentProvider {
      */
     private static final String GET_ACCOUNT_DETAILS = "SELECT"
             + " h." + HostAuthColumns.PROTOCOL + ","
-            + " a." + AccountColumns.EMAIL_ADDRESS
+            + " a." + AccountColumns.EMAIL_ADDRESS + ","
+            + " a." + AccountColumns.SYNC_KEY
             + " FROM " + Account.TABLE_NAME + " AS a"
             + " INNER JOIN " + HostAuth.TABLE_NAME + " AS h"
             + " ON a." + AccountColumns.HOST_AUTH_KEY_RECV + "=h." + HostAuthColumns.ID
             + " WHERE a." + AccountColumns.ID + "=?";
     private static final int INDEX_EMAIL_ADDRESS = 1;
+    private static final int INDEX_SYNC_KEY = 2;
 
     /**
      * Restart push if we need it (currently only for Exchange accounts).
@@ -1527,8 +1529,10 @@ public class EmailProvider extends ContentProvider {
             try {
                 if (c.moveToFirst()) {
                     final String protocol = c.getString(INDEX_PROTOCOL);
-                    final String emailAddress = c.getString(INDEX_EMAIL_ADDRESS);
-                    if (context.getString(R.string.protocol_eas).equals(protocol)) {
+                    // Only restart push for EAS accounts that have completed initial sync.
+                    if (context.getString(R.string.protocol_eas).equals(protocol) &&
+                            !EmailContent.isInitialSyncKey(c.getString(INDEX_SYNC_KEY))) {
+                        final String emailAddress = c.getString(INDEX_EMAIL_ADDRESS);
                         final android.accounts.Account account =
                                 getAccountManagerAccount(context, emailAddress, protocol);
                         restartPush(account);
@@ -4880,12 +4884,6 @@ public class EmailProvider extends ContentProvider {
         return new android.accounts.Account(emailAddress, info.accountType);
     }
 
-    /**
-     * The amount of time between periodic syncs intended to ensure that push hasn't died.
-     */
-    private static final long KICK_SYNC_INTERVAL =
-            DateUtils.HOUR_IN_MILLIS / DateUtils.SECOND_IN_MILLIS;
-
     /**
      * Update an account's periodic sync if the sync interval has changed.
      * @param accountId id for the account to update.
@@ -4918,13 +4916,6 @@ public class EmailProvider extends ContentProvider {
         if (syncInterval > 0) {
             ContentResolver.addPeriodicSync(account, EmailContent.AUTHORITY, Bundle.EMPTY,
                     syncInterval * DateUtils.MINUTE_IN_MILLIS / DateUtils.SECOND_IN_MILLIS);
-        } else if (syncInterval == Account.CHECK_INTERVAL_PUSH) {
-            // Schedule a periodic sync to restart the push in case it fails.
-            // TODO: Make this unnecessary by having push not break.
-            final Bundle extras = new Bundle(1);
-            extras.putLong(Mailbox.SYNC_EXTRA_MAILBOX_ID, Mailbox.SYNC_EXTRA_MAILBOX_ID_PUSH_ONLY);
-            ContentResolver.addPeriodicSync(account, EmailContent.AUTHORITY, extras,
-                    KICK_SYNC_INTERVAL);
         }
     }