1 files changed, 67 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/io/nsIObservableOutputStream.idl b/src/libs/xpcom18a4/xpcom/io/nsIObservableOutputStream.idl
new file mode 100644
index 00000000..4cdab3c1
--- /dev/null
+++ b/src/libs/xpcom18a4/xpcom/io/nsIObservableOutputStream.idl
@@ -0,0 +1,67 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2002
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Darin Fisher <darin@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "nsISupports.idl"
+
+interface nsIOutputStream;
+interface nsIOutputStreamObserver;
+
+[scriptable, uuid(15b374f8-1dd2-11b2-87ab-c3299d704fd3)]
+interface nsIObservableOutputStream : nsISupports
+{
+    /**
+     * Allows users to set an observer on an input stream to receive notifications
+     * about the consumer emptying the input stream's underlying buffer, or closing the
+     * stream. This is necessary for non-blocking streams so that the producer can suspend
+     * itself until more data can be written.
+     */
+    attribute nsIOutputStreamObserver observer;
+};
+
+[scriptable, uuid(12314194-61b4-11d4-9877-00c04fa0cf4a)]
+interface nsIOutputStreamObserver : nsISupports
+{
+    /**
+     * Called when the output stream's producer has written more data into the stream.
+     */
+    void onWrite(in nsIOutputStream outStr, in unsigned long amount);
+
+    /**
+     * Called when the stream's underlying buffer becomes full.
+     */
+    void onFull(in nsIOutputStream outStr);
+};