forked from mirrors/gecko-dev
0c1d7143d1
hasFeature() always returning true matches the current DOM spec. SVG 2 has removed requiredFeatures. Chrome has had both of these always return true since 2014, and they seem to have had no problems. Even requiredFeatures="" (empty string) now returns true, matching Chrome. MozReview-Commit-ID: 1LEu3iK4R94
35 lines
1.3 KiB
C++
35 lines
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
/**
|
|
* This file contains code to help implement the Conditional Processing
|
|
* section of the SVG specification (i.e. the <switch> element and the
|
|
* requiredFeatures, requiredExtensions and systemLanguage attributes).
|
|
*
|
|
* http://www.w3.org/TR/SVG11/struct.html#ConditionalProcessing
|
|
*/
|
|
|
|
#include "nsSVGFeatures.h"
|
|
#include "nsIContent.h"
|
|
#include "nsIDocument.h"
|
|
#include "nsNameSpaceManager.h"
|
|
#include "mozilla/Preferences.h"
|
|
|
|
using namespace mozilla;
|
|
|
|
/*static*/ bool
|
|
nsSVGFeatures::HasExtension(const nsAString& aExtension, const bool aIsInChrome)
|
|
{
|
|
#define SVG_SUPPORTED_EXTENSION(str) if (aExtension.EqualsLiteral(str)) return true;
|
|
SVG_SUPPORTED_EXTENSION("http://www.w3.org/1999/xhtml")
|
|
nsNameSpaceManager* nameSpaceManager = nsNameSpaceManager::GetInstance();
|
|
if (aIsInChrome || !nameSpaceManager->mMathMLDisabled) {
|
|
SVG_SUPPORTED_EXTENSION("http://www.w3.org/1998/Math/MathML")
|
|
}
|
|
#undef SVG_SUPPORTED_EXTENSION
|
|
|
|
return false;
|
|
}
|