diff -r 000000000000 -r 6474c204b198 netwerk/base/public/nsIIOService.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/base/public/nsIIOService.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,139 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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 nsIProtocolHandler;
+interface nsIChannel;
+interface nsIURI;
+interface nsIFile;
+
+/**
+ * nsIIOService provides a set of network utility functions.  This interface
+ * duplicates many of the nsIProtocolHandler methods in a protocol handler
+ * independent way (e.g., NewURI inspects the scheme in order to delegate
+ * creation of the new URI to the appropriate protocol handler).  nsIIOService
+ * also provides a set of URL parsing utility functions.  These are provided
+ * as a convenience to the programmer and in some cases to improve performance
+ * by eliminating intermediate data structures and interfaces.
+ */
+[scriptable, uuid(bddeda3f-9020-4d12-8c70-984ee9f7935e)]
+interface nsIIOService : nsISupports
+{
+    /**
+     * Returns a protocol handler for a given URI scheme.
+     *
+     * @param aScheme the URI scheme
+     * @return reference to corresponding nsIProtocolHandler
+     */
+    nsIProtocolHandler getProtocolHandler(in string aScheme);
+
+    /**
+     * Returns the protocol flags for a given scheme.
+     *
+     * @param aScheme the URI scheme
+     * @return value of corresponding nsIProtocolHandler::protocolFlags
+     */
+    unsigned long getProtocolFlags(in string aScheme);
+
+    /**
+     * This method constructs a new URI by determining the scheme of the
+     * URI spec, and then delegating the construction of the URI to the
+     * protocol handler for that scheme. QueryInterface can be used on
+     * the resulting URI object to obtain a more specific type of URI.
+     *
+     * @see nsIProtocolHandler::newURI
+     */
+    nsIURI newURI(in AUTF8String aSpec,
+                  in string aOriginCharset,
+                  in nsIURI aBaseURI);
+
+    /**
+     * This method constructs a new URI from a nsIFile.
+     *
+     * @param aFile specifies the file path
+     * @return reference to a new nsIURI object
+     *
+     * Note: in the future, for perf reasons we should allow 
+     * callers to specify whether this is a file or directory by
+     * splitting this  into newDirURI() and newActualFileURI().
+     */
+    nsIURI newFileURI(in nsIFile aFile);
+
+    /**
+     * Creates a channel for a given URI.
+     *
+     * @param aURI nsIURI from which to make a channel
+     * @return reference to the new nsIChannel object
+     */
+    nsIChannel newChannelFromURI(in nsIURI aURI);
+
+    /**
+     * Equivalent to newChannelFromURI(newURI(...))
+     */
+    nsIChannel newChannel(in AUTF8String aSpec,
+                          in string aOriginCharset,
+                          in nsIURI aBaseURI);
+
+    /**
+     * Returns true if networking is in "offline" mode. When in offline mode, 
+     * attempts to access the network will fail (although this does not 
+     * necessarily correlate with whether there is actually a network 
+     * available -- that's hard to detect without causing the dialer to 
+     * come up).
+     *
+     * Changing this fires observer notifications ... see below.
+     */
+    attribute boolean offline;
+
+    /**
+     * Checks if a port number is banned. This involves consulting a list of
+     * unsafe ports, corresponding to network services that may be easily
+     * exploitable. If the given port is considered unsafe, then the protocol
+     * handler (corresponding to aScheme) will be asked whether it wishes to
+     * override the IO service's decision to block the port. This gives the
+     * protocol handler ultimate control over its own security policy while
+     * ensuring reasonable, default protection.
+     *
+     * @see nsIProtocolHandler::allowPort
+     */
+    boolean allowPort(in long aPort, in string aScheme);
+
+    /**
+     * Utility to extract the scheme from a URL string, consistently and
+     * according to spec (see RFC 2396).
+     *
+     * NOTE: Most URL parsing is done via nsIURI, and in fact the scheme
+     * can also be extracted from a URL string via nsIURI.  This method
+     * is provided purely as an optimization.
+     *
+     * @param aSpec the URL string to parse
+     * @return URL scheme
+     *
+     * @throws NS_ERROR_MALFORMED_URI if URL string is not of the right form.
+     */
+    ACString extractScheme(in AUTF8String urlString);
+};
+
+%{C++
+/**
+ * We send notifications through nsIObserverService with topic
+ * NS_IOSERVICE_GOING_OFFLINE_TOPIC and data NS_IOSERVICE_OFFLINE
+ * when 'offline' has changed from false to true, and we are about
+ * to shut down network services such as DNS. When those
+ * services have been shut down, we send a notification with
+ * topic NS_IOSERVICE_OFFLINE_STATUS_TOPIC and data
+ * NS_IOSERVICE_OFFLINE.
+ *
+ * When 'offline' changes from true to false, then after
+ * network services have been restarted, we send a notification
+ * with topic NS_IOSERVICE_OFFLINE_STATUS_TOPIC and data
+ * NS_IOSERVICE_ONLINE.
+ */
+#define NS_IOSERVICE_GOING_OFFLINE_TOPIC  "network:offline-about-to-go-offline"
+#define NS_IOSERVICE_OFFLINE_STATUS_TOPIC "network:offline-status-changed"
+#define NS_IOSERVICE_OFFLINE              "offline"
+#define NS_IOSERVICE_ONLINE               "online"
+%}