1/*
2 * Copyright (C) 1999 Lars Knoll <knoll@kde.org>
3 * Copyright (C) 1999 Antti Koivisto <koivisto@kde.org>
4 * Copyright (C) 2006 Allan Sandfeld Jensen <kde@carewolf.com>
5 * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
6 * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010 Apple Inc. All rights reserved.
7 * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Library General Public
11 * License as published by the Free Software Foundation; either
12 * version 2 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Library General Public License for more details.
18 *
19 * You should have received a copy of the GNU Library General Public License
20 * along with this library; see the file COPYING.LIB. If not, write to
21 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22 * Boston, MA 02110-1301, USA.
23 *
24 */
25
26#pragma once
27
28#include "CachedImage.h"
29#include "CachedResourceHandle.h"
30#include "StyleImage.h"
31#include <wtf/IsoMalloc.h>
32#include <wtf/WeakPtr.h>
33
34namespace WebCore {
35
36class CachedImage;
37class RenderElement;
38
39class RenderImageResource {
40 WTF_MAKE_NONCOPYABLE(RenderImageResource); WTF_MAKE_ISO_ALLOCATED(RenderImageResource);
41public:
42 RenderImageResource();
43 virtual ~RenderImageResource() = default;
44
45 virtual void initialize(RenderElement& renderer) { initialize(renderer, nullptr); }
46 virtual void shutdown();
47
48 void setCachedImage(CachedImage*);
49 CachedImage* cachedImage() const { return m_cachedImage.get(); }
50
51 void resetAnimation();
52
53 virtual RefPtr<Image> image(const IntSize& size = { }) const;
54 virtual bool errorOccurred() const { return m_cachedImage && m_cachedImage->errorOccurred(); }
55
56 virtual void setContainerContext(const IntSize&, const URL&);
57
58 virtual bool imageHasRelativeWidth() const { return m_cachedImage && m_cachedImage->imageHasRelativeWidth(); }
59 virtual bool imageHasRelativeHeight() const { return m_cachedImage && m_cachedImage->imageHasRelativeHeight(); }
60
61 inline LayoutSize imageSize(float multiplier) const { return imageSize(multiplier, CachedImage::UsedSize); }
62 inline LayoutSize intrinsicSize(float multiplier) const { return imageSize(multiplier, CachedImage::IntrinsicSize); }
63
64 virtual WrappedImagePtr imagePtr() const { return m_cachedImage.get(); }
65
66protected:
67 RenderElement* renderer() const { return m_renderer.get(); }
68 void initialize(RenderElement&, CachedImage*);
69
70private:
71 virtual LayoutSize imageSize(float multiplier, CachedImage::SizeType) const;
72
73 WeakPtr<RenderElement> m_renderer;
74 CachedResourceHandle<CachedImage> m_cachedImage;
75 bool m_cachedImageRemoveClientIsNeeded { true };
76};
77
78} // namespace WebCore
79