uriloader/base/nsIContentHandler.idl

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "nsISupports.idl"
   7 interface nsIRequest;
   8 interface nsIInterfaceRequestor;
   9
  10 [scriptable, uuid(49439df2-b3d2-441c-bf62-866bdaf56fd2)]
  11 interface nsIContentHandler : nsISupports
  12 {
  13   /**
  14    * Tells the content handler to take over handling the content. If this
  15    * function succeeds, the URI Loader will leave this request alone, ignoring
  16    * progress notifications. Failure of this method will cause the request to be
  17    * cancelled, unless the error code is NS_ERROR_WONT_HANDLE_CONTENT (see
  18    * below).
  19    *
  20    * @param aWindowContext
  21    *        Window context, used to get things like the current nsIDOMWindow
  22    *        for this request. May be null.
  23    * @param aContentType
  24    *        The content type of aRequest
  25    * @param aRequest
  26    *        A request whose content type is already known.
  27    *
  28    * @throw NS_ERROR_WONT_HANDLE_CONTENT Indicates that this handler does not
  29    *        want to handle this content. A different way for handling this
  30    *        content should be tried.
  31    */
  32   void handleContent(in string aContentType,
  33                      in nsIInterfaceRequestor aWindowContext,
  34                      in nsIRequest aRequest);
  35 };