1/*
2 * This file is part of the WebKit project.
3 *
4 * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
5 * Copyright (C) 2006 Apple Computer Inc.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB.  If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22
23#include "config.h"
24
25#include "core/rendering/svg/RenderSVGTSpan.h"
26
27#include "core/rendering/svg/SVGRenderSupport.h"
28#include "core/svg/SVGAltGlyphElement.h"
29
30namespace blink {
31
32RenderSVGTSpan::RenderSVGTSpan(Element* element)
33    : RenderSVGInline(element)
34{
35}
36
37bool RenderSVGTSpan::isChildAllowed(RenderObject* child, RenderStyle*) const
38{
39    // Always allow text (except empty textnodes and <br>).
40    if (child->isText())
41        return SVGRenderSupport::isRenderableTextNode(child);
42
43#if ENABLE(SVG_FONTS)
44    // Only allow other types of  children if this is not an 'altGlyph'.
45    ASSERT(node());
46    if (isSVGAltGlyphElement(*node()))
47        return false;
48#endif
49
50    return child->isSVGInline() && !child->isSVGTextPath();
51}
52
53}
54