1 files changed, 58 insertions, 0 deletions
diff --git a/comm/calendar/base/public/calIPeriod.idl b/comm/calendar/base/public/calIPeriod.idl
new file mode 100644
index 0000000000..d11f0ebdb3
--- /dev/null
+++ b/comm/calendar/base/public/calIPeriod.idl
@@ -0,0 +1,58 @@
+/* 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 calIDateTime;
+interface calIDuration;
+
+[scriptable,uuid(ace2a74c-bd08-476f-be8b-6565abc50339)]
+interface calIPeriod : nsISupports
+{
+  attribute jsval icalPeriod;
+
+  /**
+   * isMutable is true if this instance is modifiable.
+   * If isMutable is false, any attempts to modify
+   * the object will throw NS_ERROR_OBJECT_IS_IMMUTABLE.
+   */
+  readonly attribute boolean isMutable;
+
+  /**
+   * Make this calIPeriod instance immutable.
+   */
+  void makeImmutable();
+
+  /**
+   * Clone this calIPeriod instance into a new
+   * mutable object.
+   */
+  calIPeriod clone();
+
+  /**
+   * The start datetime of this period
+   */
+  attribute calIDateTime start;
+
+  /**
+   * The end datetime of this period
+   */
+  attribute calIDateTime end;
+
+  /**
+   * The duration, equal to end-start
+   */
+  readonly attribute calIDuration duration;
+
+
+  /**
+   * Return a string representation of this instance.
+   */
+  AUTF8String toString();
+
+  /**
+   * This object as an iCalendar DURATION string
+   */
+  attribute ACString icalString;
+};