email: support for auto-sync multiple IMAP folders

This enables to auto-sync multiple IMAP folders, not only Inbox. Default to Inbox only.
This changes relays in the syncloopback attribute to configure the folders to add to
sync process.

Change-Id: I8973cfd6ddec33446256bc8b48418558e27596b5
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>

2 files changed, 18 insertions, 1 deletions

diff --git a/emailcommon/src/com/android/emailcommon/provider/Mailbox.java b/emailcommon/src/com/android/emailcommon/provider/Mailbox.java
index 952a73147..c726b94c3 100644
--- a/emailcommon/src/com/android/emailcommon/provider/Mailbox.java
+++ b/emailcommon/src/com/android/emailcommon/provider/Mailbox.java
@@ -299,6 +299,10 @@ public class Mailbox extends EmailContent implements EmailContent.MailboxColumns
             MailboxColumns.SYNC_INTERVAL + "=1 and " + MailboxColumns.TYPE + "=? and " +
                     MailboxColumns.ACCOUNT_KEY + "=?";
 
+    /** Selection for mailboxes that are configured for sync for an account. */
+    private static final String SYNCING_MAILBOXES_FOR_ACCOUNT_SELECTION =
+            MailboxColumns.SYNC_INTERVAL + "=1 and " + MailboxColumns.ACCOUNT_KEY + "=?";
+
     // Types of mailboxes.  The list is ordered to match a typical UI presentation, e.g.
     // placing the inbox at the top.
     // Arrays of "special_mailbox_display_names" and "special_mailbox_icons" are depends on
@@ -911,6 +915,19 @@ public class Mailbox extends EmailContent implements EmailContent.MailboxColumns
     }
 
     /**
+     * Get the mailbox ids for an account that are configured for sync by the user.
+     * @param cr The {@link ContentResolver}.
+     * @param accountId The id for the account that is syncing.
+     * @return A cursor (with one column, containing ids) with all mailbox ids that match.
+     */
+    public static Cursor getLoopBackMailboxIdsForSync(final ContentResolver cr,
+            final long accountId) {
+        return cr.query(Mailbox.CONTENT_URI, Mailbox.ID_PROJECTION,
+                SYNCING_MAILBOXES_FOR_ACCOUNT_SELECTION,
+                new String[] {Long.toString(accountId) }, null);
+    }
+
+    /**
      * Get the account id for a mailbox.
      * @param context The {@link Context}.
      * @param mailboxId The id of the mailbox we're interested in, as a {@link String}.
diff --git a/emailcommon/src/com/android/emailcommon/service/SyncWindow.java b/emailcommon/src/com/android/emailcommon/service/SyncWindow.java
index 8dfe4ad2e..af1edea7d 100644
--- a/emailcommon/src/com/android/emailcommon/service/SyncWindow.java
+++ b/emailcommon/src/com/android/emailcommon/service/SyncWindow.java
@@ -42,7 +42,7 @@ public class SyncWindow {
                 return 365*10;
             case SYNC_WINDOW_ACCOUNT:
             default:
-                return 14;
+                return 7;
         }
     }
 }