layout/base/nsIStyleSheetService.idl

branch
TOR_BUG_9701
changeset 15
b8a032363ba2
equal deleted inserted replaced
-1:000000000000 0:2ec1680240d7
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 /* interface for managing user and user-agent style sheets */
7
8 #include "nsISupports.idl"
9
10 interface nsIURI;
11
12 /*
13 * nsIStyleSheetService allows extensions or embeddors to add to the
14 * built-in list of user or agent style sheets.
15 */
16
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;
23
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);
42
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);
48
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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