1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : // vim:cindent:ts=2:et:sw=2:
3 : /* ***** BEGIN LICENSE BLOCK *****
4 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 : *
6 : * The contents of this file are subject to the Mozilla Public License Version
7 : * 1.1 (the "License"); you may not use this file except in compliance with
8 : * the License. You may obtain a copy of the License at
9 : * http://www.mozilla.org/MPL/
10 : *
11 : * Software distributed under the License is distributed on an "AS IS" basis,
12 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 : * for the specific language governing rights and limitations under the
14 : * License.
15 : *
16 : * The Original Code is the Mozilla SVG project.
17 : *
18 : * The Initial Developer of the Original Code is
19 : * Scooter Morris <scootermorris@comcast.net>.
20 : * Portions created by the Initial Developer are Copyright (C) 2004
21 : * the Initial Developer. All Rights Reserved.
22 : *
23 : * Contributor(s):
24 : * Scooter Morris <scootermorris@comcast.net>
25 : * Frederic Wang <fred.wang@free.fr> - requiredExtensions
26 : *
27 : * Alternatively, the contents of this file may be used under the terms of
28 : * either the GNU General Public License Version 2 or later (the "GPL"), or
29 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
30 : * in which case the provisions of the GPL or the LGPL are applicable instead
31 : * of those above. If you wish to allow use of your version of this file only
32 : * under the terms of either the GPL or the LGPL, and not to allow others to
33 : * use your version of this file under the terms of the MPL, indicate your
34 : * decision by deleting the provisions above and replace them with the notice
35 : * and other provisions required by the GPL or the LGPL. If you do not delete
36 : * the provisions above, a recipient may use your version of this file under
37 : * the terms of any one of the MPL, the GPL or the LGPL.
38 : *
39 : * ***** END LICENSE BLOCK ***** */
40 :
41 : /**
42 : * This file contains code to help implement the Conditional Processing
43 : * section of the SVG specification (i.e. the <switch> element and the
44 : * requiredFeatures, requiredExtensions and systemLanguage attributes).
45 : *
46 : * http://www.w3.org/TR/SVG11/struct.html#ConditionalProcessing
47 : */
48 :
49 : #include "nsSVGFeatures.h"
50 : #include "nsIContent.h"
51 : #include "mozilla/Preferences.h"
52 :
53 : using namespace mozilla;
54 :
55 : /*static*/ bool
56 0 : nsSVGFeatures::HasFeature(nsISupports* aObject, const nsAString& aFeature)
57 : {
58 0 : if (aFeature.EqualsLiteral("http://www.w3.org/TR/SVG11/feature#Script")) {
59 0 : nsCOMPtr<nsIContent> content(do_QueryInterface(aObject));
60 0 : if (content) {
61 0 : nsIDocument *doc = content->GetCurrentDoc();
62 0 : if (doc && doc->IsResourceDoc()) {
63 : // no scripting in SVG images or external resource documents
64 0 : return false;
65 : }
66 : }
67 0 : return Preferences::GetBool("javascript.enabled", false);
68 : }
69 : #define SVG_SUPPORTED_FEATURE(str) if (aFeature.EqualsLiteral(str)) return true;
70 : #define SVG_UNSUPPORTED_FEATURE(str)
71 : #include "nsSVGFeaturesList.h"
72 : #undef SVG_SUPPORTED_FEATURE
73 : #undef SVG_UNSUPPORTED_FEATURE
74 0 : return false;
75 : }
76 :
77 : /*static*/ bool
78 0 : nsSVGFeatures::HasExtension(const nsAString& aExtension)
79 : {
80 : #define SVG_SUPPORTED_EXTENSION(str) if (aExtension.EqualsLiteral(str)) return true;
81 0 : SVG_SUPPORTED_EXTENSION("http://www.w3.org/1999/xhtml")
82 0 : SVG_SUPPORTED_EXTENSION("http://www.w3.org/1998/Math/MathML")
83 : #undef SVG_SUPPORTED_EXTENSION
84 :
85 0 : return false;
86 : }
|