From 0cef8b0a0faf81eac909cc5b6fa1cd880b47caa1 Mon Sep 17 00:00:00 2001
From: "mostafah%oeone.com" <mostafah%oeone.com>
Date: Thu, 28 Oct 2004 15:52:09 +0000
Subject: [PATCH] Checked in patch #162945 for bug 220075:Make task start
 date/due date optional (Adds IsSet to oeDateTime interface)

---
 calendar/libxpical/oeDateTimeImpl.cpp | 8 +++++++-
 calendar/libxpical/oeIICal.idl        | 1 +
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/calendar/libxpical/oeDateTimeImpl.cpp b/calendar/libxpical/oeDateTimeImpl.cpp
index 8219699e1645..d12cba3f7dd3 100644
--- a/calendar/libxpical/oeDateTimeImpl.cpp
+++ b/calendar/libxpical/oeDateTimeImpl.cpp
@@ -201,7 +201,13 @@ NS_IMETHODIMP oeDateTimeImpl::SetTimeInTimezone( PRTime ms, const char *tzid )
 
 NS_IMETHODIMP oeDateTimeImpl::Clear()
 {
-	m_datetime = icaltime_null_time();
+    m_datetime = icaltime_null_time();
+    return NS_OK;
+}
+
+NS_IMETHODIMP oeDateTimeImpl::GetIsSet(PRBool *retval)
+{
+    *retval = ! icaltime_is_null_time(m_datetime);
     return NS_OK;
 }
 
diff --git a/calendar/libxpical/oeIICal.idl b/calendar/libxpical/oeIICal.idl
index 7165e15f4e77..ca34f9dfaac0 100644
--- a/calendar/libxpical/oeIICal.idl
+++ b/calendar/libxpical/oeIICal.idl
@@ -74,6 +74,7 @@ interface oeIDateTime : nsISupports
     attribute short minute;
     attribute boolean utc;
     readonly attribute string tzID;
+    readonly attribute boolean isSet;
     PRTime getTime();
     void setTime( in PRTime ms );
     void setTimeInTimezone( in PRTime ms, in string tzID );