1/*
2 * Copyright (C) 1999 Lars Knoll <knoll@kde.org>
3 * Copyright (C) 1999 Antti Koivisto <koivisto@kde.org>
4 * Copyright (C) 2000 Dirk Mueller <mueller@kde.org>
5 * Copyright (C) 2006 Allan Sandfeld Jensen <kde@carewolf.com>
6 * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
7 * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009, 2010 Apple Inc. All rights reserved.
8 * Copyright (C) 2010 Google Inc. All rights reserved.
9 * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
10 *
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Library General Public
13 * License as published by the Free Software Foundation; either
14 * version 2 of the License, or (at your option) any later version.
15 *
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Library General Public License for more details.
20 *
21 * You should have received a copy of the GNU Library General Public License
22 * along with this library; see the file COPYING.LIB. If not, write to
23 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 * Boston, MA 02110-1301, USA.
25 *
26 */
27
28#include "config.h"
29#include "RenderImageResourceStyleImage.h"
30
31#include "CachedImage.h"
32#include "RenderElement.h"
33#include "StyleCachedImage.h"
34#include <wtf/IsoMallocInlines.h>
35
36namespace WebCore {
37
38WTF_MAKE_ISO_ALLOCATED_IMPL(RenderImageResourceStyleImage);
39
40RenderImageResourceStyleImage::RenderImageResourceStyleImage(StyleImage& styleImage)
41 : m_styleImage(styleImage)
42{
43}
44
45void RenderImageResourceStyleImage::initialize(RenderElement& renderer)
46{
47 RenderImageResource::initialize(renderer, m_styleImage->isCachedImage() ? m_styleImage.get().cachedImage() : nullptr);
48 m_styleImage->addClient(this->renderer());
49}
50
51void RenderImageResourceStyleImage::shutdown()
52{
53 RenderImageResource::shutdown();
54 if (renderer())
55 m_styleImage->removeClient(renderer());
56}
57
58RefPtr<Image> RenderImageResourceStyleImage::image(const IntSize& size) const
59{
60 // Generated content may trigger calls to image() while we're still pending, don't assert but gracefully exit.
61 if (m_styleImage->isPending())
62 return &Image::nullImage();
63 if (auto image = m_styleImage->image(renderer(), size))
64 return image;
65 return &Image::nullImage();
66}
67
68void RenderImageResourceStyleImage::setContainerContext(const IntSize& size, const URL&)
69{
70 ASSERT(renderer());
71 m_styleImage->setContainerContextForRenderer(*renderer(), size, renderer()->style().effectiveZoom());
72}
73
74} // namespace WebCore
75