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- /* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * ***** 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 the Mozilla browser.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications, Inc.
- * Portions created by the Initial Developer are Copyright (C) 1999
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Scott MacGregor <mscott@netscape.com>
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either of 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 nsIURI;
- interface nsIFile;
- interface nsIPrompt;
-
- /**
- * The external protocol service is used for finding and launching
- * platform specific applications for particular protocols.
- *
- * You can ask the external protocol service if it has an external
- * handler for a given protocol scheme. And you can ask it to load
- * the url using the default handler.
- */
- [scriptable, uuid(a49813a4-98b7-4bdb-998c-8bd9704af0c0)]
- interface nsIExternalProtocolService : nsISupports
- {
- /**
- * Check whether a handler for a specific protocol exists.
- * @param aProtocolScheme The scheme from a url: http, ftp, mailto, etc.
- * @return true if we have a handler and false otherwise.
- */
- boolean externalProtocolHandlerExists(in string aProtocolScheme);
-
- /**
- * Check whether a handler for a specific protocol is "exposed" as a visible
- * feature of the current application.
- *
- * An exposed protocol handler is one that can be used in all contexts. A
- * non-exposed protocol handler is one that can only be used internally by the
- * application. For example, a non-exposed protocol would not be loaded by the
- * application in response to a link click or a X-remote openURL command.
- * Instead, it would be deferred to the system's external protocol handler.
- */
- boolean isExposedProtocol(in string aProtocolScheme);
-
- /**
- * Used to load a url via an external protocol handler (if one exists)
- * @param aURL The url to load
- */
- void loadUrl (in nsIURI aURL);
-
- /**
- * Used to load a URI via an external application. Might prompt the user for
- * permission to load the external application. Replaces loadUrl()
- *
- * @param aURI The URI to load
- * @param aPrompt If null we grab one from windowwatcher if we need it
- */
- void loadURI(in nsIURI aURI, in nsIPrompt aPrompt);
-
- /**
- * Gets a human-readable description for the application responsible for
- * handling a specific protocol.
- *
- * @param aScheme The scheme to look up. For example, "mms".
- *
- * @throw NS_ERROR_NOT_IMPLEMENTED
- * If getting descriptions for protocol helpers is not supported
- * @throw NS_ERROR_NOT_AVAILABLE
- * If no protocol helper exists for this scheme, or if it is not
- * possible to get a description for it.
- */
- AString getApplicationDescription(in AUTF8String aScheme);
- };
-