The Tor Browser: layout/base/nsIStyleSheetService.idl@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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/. */

     6 /* interface for managing user and user-agent style sheets */

     8 #include "nsISupports.idl"

    10 interface nsIURI;

    12 /*

    13  * nsIStyleSheetService allows extensions or embeddors to add to the

    14  * built-in list of user or agent style sheets.

    15  */

    17 [scriptable, uuid(1f42a6a2-ab0a-45d4-8a96-396f58ea6c6d)]

    18 interface nsIStyleSheetService : nsISupports

    19 {

    20   const unsigned long AGENT_SHEET = 0;

    21   const unsigned long USER_SHEET = 1;

    22   const unsigned long AUTHOR_SHEET = 2;

    24   /**

    25    * Synchronously loads a style sheet from |sheetURI| and adds it to the list

    26    * of user or agent style sheets.

    27    *

    28    * A user sheet loaded via this API will come before userContent.css and

    29    * userChrome.css in the cascade (so the rules in it will have lower

    30    * precedence than rules in those sheets).

    31    *

    32    * An agent sheet loaded via this API will come after ua.css in the cascade

    33    * (so the rules in it will have higher precedence than rules in ua.css).

    34    *

    35    * The relative ordering of two user or two agent sheets loaded via

    36    * this API is undefined.

    37    *

    38    * Sheets added via this API take effect on all documents, including

    39    * already-loaded ones, immediately.

    40    */

    41   void loadAndRegisterSheet(in nsIURI sheetURI, in unsigned long type);

    43   /**

    44    * Returns true if a style sheet at |sheetURI| has previously been

    45    * added to the list of style sheets specified by |type|.

    46    */

    47   boolean sheetRegistered(in nsIURI sheetURI, in unsigned long type);

    49   /**

    50    * Remove the style sheet at |sheetURI| from the list of style sheets

    51    * specified by |type|.  The removal takes effect immediately, even for

    52    * already-loaded documents.

    53    */

    54   void unregisterSheet(in nsIURI sheetURI, in unsigned long type);

    55 };

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