michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsISupports.idl"
michael@0: interface nsIRequest;
michael@0: interface nsIInterfaceRequestor;
michael@0: 
michael@0: [scriptable, uuid(49439df2-b3d2-441c-bf62-866bdaf56fd2)]
michael@0: interface nsIContentHandler : nsISupports
michael@0: {
michael@0:   /**
michael@0:    * Tells the content handler to take over handling the content. If this
michael@0:    * function succeeds, the URI Loader will leave this request alone, ignoring
michael@0:    * progress notifications. Failure of this method will cause the request to be
michael@0:    * cancelled, unless the error code is NS_ERROR_WONT_HANDLE_CONTENT (see
michael@0:    * below).
michael@0:    *
michael@0:    * @param aWindowContext
michael@0:    *        Window context, used to get things like the current nsIDOMWindow
michael@0:    *        for this request. May be null.
michael@0:    * @param aContentType
michael@0:    *        The content type of aRequest
michael@0:    * @param aRequest
michael@0:    *        A request whose content type is already known.
michael@0:    *
michael@0:    * @throw NS_ERROR_WONT_HANDLE_CONTENT Indicates that this handler does not
michael@0:    *        want to handle this content. A different way for handling this
michael@0:    *        content should be tried.
michael@0:    */
michael@0:   void handleContent(in string aContentType,
michael@0:                      in nsIInterfaceRequestor aWindowContext,
michael@0:                      in nsIRequest aRequest);
michael@0: };