1 files changed, 35 insertions, 0 deletions
diff --git a/comm/mailnews/imap/public/nsIAutoSyncMsgStrategy.idl b/comm/mailnews/imap/public/nsIAutoSyncMsgStrategy.idl
new file mode 100644
index 0000000000..773c62426d
--- /dev/null
+++ b/comm/mailnews/imap/public/nsIAutoSyncMsgStrategy.idl
@@ -0,0 +1,35 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsISupports.idl"
+
+interface nsIMsgFolder;
+interface nsIMsgDBHdr;
+
+typedef long nsAutoSyncStrategyDecisionType;
+
+[scriptable,uuid(0365bec5-3753-43c2-b13e-441747815f37)]
+interface nsAutoSyncStrategyDecisions : nsISupports
+{
+  /// same priority
+  const nsAutoSyncStrategyDecisionType Same         = 0x00000001;
+  /// higher priority
+  const nsAutoSyncStrategyDecisionType Higher       = 0x00000002;
+  /// lower priority
+  const nsAutoSyncStrategyDecisionType Lower        = 0x00000004;
+};
+
+[scriptable, uuid(9cb4baff-3112-4cf8-8463-f81b0aa78f93)]
+interface nsIAutoSyncMsgStrategy : nsISupports {
+
+  /**
+   * Returns a relative-priority for the second message by comparing with the first message.
+   */
+  nsAutoSyncStrategyDecisionType sort(in nsIMsgFolder aFolder, in nsIMsgDBHdr aMsgHdr1, in nsIMsgDBHdr aMsgHdr2);
+
+  /**
+   * Tests whether the given message should be excluded or not.
+   */
+  boolean isExcluded(in nsIMsgFolder aFolder, in nsIMsgDBHdr aMsgHdr);
+};