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 "RenderObject.h"
33#include "StyleCachedImage.h"
34
35namespace WebCore {
36
37RenderImageResourceStyleImage::RenderImageResourceStyleImage(StyleImage* styleImage)
38    : m_styleImage(styleImage)
39{
40    ASSERT(m_styleImage);
41}
42
43RenderImageResourceStyleImage::~RenderImageResourceStyleImage()
44{
45}
46
47void RenderImageResourceStyleImage::initialize(RenderObject* renderer)
48{
49    RenderImageResource::initialize(renderer);
50
51    if (m_styleImage->isCachedImage())
52        m_cachedImage = static_cast<StyleCachedImage*>(m_styleImage.get())->cachedImage();
53
54    m_styleImage->addClient(m_renderer);
55}
56
57void RenderImageResourceStyleImage::shutdown()
58{
59    ASSERT(m_renderer);
60    m_styleImage->removeClient(m_renderer);
61    m_cachedImage = 0;
62}
63
64PassRefPtr<Image> RenderImageResourceStyleImage::image(int width, int height) const
65{
66    // Generated content may trigger calls to image() while we're still pending, don't assert but gracefully exit.
67    if (m_styleImage->isPendingImage())
68        return 0;
69    return m_styleImage->image(m_renderer, IntSize(width, height));
70}
71
72void RenderImageResourceStyleImage::setContainerSizeForRenderer(const IntSize& size)
73{
74    ASSERT(m_renderer);
75    m_styleImage->setContainerSizeForRenderer(m_renderer, size, m_renderer->style()->effectiveZoom());
76}
77
78} // namespace WebCore
79