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96 lines
3.7 KiB
Plaintext
96 lines
3.7 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Boris Zbarsky <bzbarsky@mit.edu>.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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interface nsIWebNavigation;
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/**
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* The nsIWebNavigationInfo interface exposes a way to get information
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* on the capabilities of Gecko webnavigation objects.
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*/
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[scriptable, uuid(62a93afb-93a1-465c-84c8-0432264229de)]
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interface nsIWebNavigationInfo : nsISupports
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{
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/**
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* Returned by isTypeSupported to indicate lack of support for a type.
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* @note this is guaranteed not to change, so that boolean tests can be done
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* on the return value if isTypeSupported to detect whether a type is
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* supported at all.
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*/
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const unsigned long UNSUPPORTED = 0;
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/**
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* Returned by isTypeSupported to indicate that a type is supported as an
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* image.
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*/
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const unsigned long IMAGE = 1;
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/**
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* Returned by isTypeSupported to indicate that a type is supported via an
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* NPAPI ("Netscape 4 API") plug-in. This is not the value returned for
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* "XPCOM plug-ins".
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*/
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const unsigned long PLUGIN = 2;
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/**
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* @note Other return types may be added here in the future as they become
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* relevant.
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*/
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/**
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* Returned by isTypeSupported to indicate that a type is supported via some
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* other means.
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*/
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const unsigned long OTHER = 1 << 15;
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/**
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* Query whether aType is supported.
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* @param aType the MIME type in question.
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* @param aWebNav the nsIWebNavigation object for which the request
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* is being made. This is allowed to be null. If it is non-null,
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* the return value of this method may depend on the exact state of
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* aWebNav and the values set through nsIWebBrowserSetup; otherwise
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* the method will assume that the caller is interested in information
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* about nsIWebNavigation objects in their default state.
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* @return an enum value indicating whether and how aType is supported.
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* @note This method may rescan plugins to ensure that they're properly
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* registered for the types they support.
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*/
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unsigned long isTypeSupported(in ACString aType, in nsIWebNavigation aWebNav);
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};
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