From ecd21a0336db075ecd7ac8e26f5692e9649bc6a2 Mon Sep 17 00:00:00 2001
From: "warren%netscape.com" <warren%netscape.com>
Date: Tue, 24 Aug 1999 04:54:56 +0000
Subject: [PATCH] Added -- supercedes nsIBuffer.h

---
 xpcom/io/nsIPipe.idl | 55 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 xpcom/io/nsIPipe.idl

diff --git a/xpcom/io/nsIPipe.idl b/xpcom/io/nsIPipe.idl
new file mode 100644
index 000000000000..4e9e91386356
--- /dev/null
+++ b/xpcom/io/nsIPipe.idl
@@ -0,0 +1,55 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#include "nsISupports.idl"
+
+interface nsIPipe;
+interface nsIAllocator;
+interface nsIBufferInputStream;
+interface nsIBufferOutputStream;
+
+[scriptable, uuid(686b2d98-56c2-11d3-8cd4-0060b0fc14a3)]
+interface nsIPipeObserver : nsISupports {
+    void OnFull(in nsIPipe pipe);
+    void OnWrite(in nsIPipe pipe, 
+                 in unsigned long amount);
+    void OnEmpty(in nsIPipe pipe);
+};
+
+[scriptable, uuid(6c2c0146-56c2-11d3-8cd4-0060b0fc14a3)]
+interface nsIPipe : nsISupports {
+    void Initialize(in unsigned long segmentSize,
+                    in unsigned long maxSize,
+                    in nsIPipeObserver observer,
+                    in nsIAllocator segmentAllocator);
+    readonly attribute nsIBufferInputStream InputStream;
+    readonly attribute nsIBufferOutputStream OutputStream;
+    attribute nsIPipeObserver Observer;
+};
+
+%{C++
+#define NS_PIPE_DEFAULT_SEGMENT_SIZE    4096
+#define NS_PIPE_DEFAULT_BUFFER_SIZE     (1024*1024)
+
+extern NS_COM nsresult
+NS_NewPipe(nsIBufferInputStream* *inStrResult,
+           nsIBufferOutputStream* *outStrResult,
+           nsIPipeObserver* observer = nsnull,
+           PRUint32 segmentSize = NS_PIPE_DEFAULT_SEGMENT_SIZE,
+           PRUint32 maxSize = NS_PIPE_DEFAULT_BUFFER_SIZE);
+%}