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Member "firefox-69.0.1/docshell/base/nsIWebNavigationInfo.idl" (17 Sep 2019, 2315 Bytes) of package /linux/www/firefox-69.0.1.source.tar.xz:


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    1 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
    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 
    8 interface nsIWebNavigation;
    9 
   10 /**
   11  * The nsIWebNavigationInfo interface exposes a way to get information
   12  * on the capabilities of Gecko webnavigation objects.
   13  */
   14 [scriptable, uuid(62a93afb-93a1-465c-84c8-0432264229de)]
   15 interface nsIWebNavigationInfo : nsISupports
   16 {
   17   /**
   18    * Returned by isTypeSupported to indicate lack of support for a type.
   19    * @note this is guaranteed not to change, so that boolean tests can be done
   20    * on the return value if isTypeSupported to detect whether a type is
   21    * supported at all.
   22    */
   23   const unsigned long UNSUPPORTED = 0;
   24 
   25   /**
   26    * Returned by isTypeSupported to indicate that a type is supported as an
   27    * image.
   28    */
   29   const unsigned long IMAGE = 1;
   30 
   31   /**
   32    * Returned by isTypeSupported to indicate that a type is supported via an
   33    * NPAPI ("Netscape 4 API") plug-in.  This is not the value returned for
   34    * "XPCOM plug-ins".
   35    */
   36   const unsigned long PLUGIN = 2;
   37 
   38   /**
   39    * @note Other return types may be added here in the future as they become
   40    * relevant.
   41    */
   42 
   43   /**
   44    * Returned by isTypeSupported to indicate that a type is supported via some
   45    * other means.
   46    */
   47   const unsigned long OTHER = 1 << 15;
   48 
   49   /**
   50    * Query whether aType is supported.
   51    * @param aType the MIME type in question.
   52    * @param aWebNav the nsIWebNavigation object for which the request
   53    *        is being made.  This is allowed to be null.  If it is non-null,
   54    *        the return value of this method may depend on the exact state of
   55    *        aWebNav and the values set through nsIWebBrowserSetup; otherwise
   56    *        the method will assume that the caller is interested in information
   57    *        about nsIWebNavigation objects in their default state.
   58    * @return an enum value indicating whether and how aType is supported.
   59    * @note This method may rescan plugins to ensure that they're properly
   60    *       registered for the types they support.
   61    */
   62   unsigned long isTypeSupported(in ACString aType, in nsIWebNavigation aWebNav);
   63 };