1/*
2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
3 *           (C) 2000 Antti Koivisto (koivisto@kde.org)
4 *           (C) 2000 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
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
24#ifndef StyleCachedImage_h
25#define StyleCachedImage_h
26
27#include "CachedImageClient.h"
28#include "CachedResourceHandle.h"
29#include "StyleImage.h"
30
31namespace WebCore {
32
33class CachedImage;
34
35class StyleCachedImage final : public StyleImage, private CachedImageClient {
36    WTF_MAKE_FAST_ALLOCATED;
37public:
38    static PassRefPtr<StyleCachedImage> create(CachedImage* image) { return adoptRef(new StyleCachedImage(image)); }
39    virtual ~StyleCachedImage();
40
41    virtual CachedImage* cachedImage() const override { return m_image.get(); }
42
43private:
44    virtual WrappedImagePtr data() const override { return m_image.get(); }
45
46    virtual PassRefPtr<CSSValue> cssValue() const override;
47
48    virtual bool canRender(const RenderObject*, float multiplier) const override;
49    virtual bool isLoaded() const override;
50    virtual bool errorOccurred() const override;
51    virtual FloatSize imageSize(const RenderElement*, float multiplier) const override;
52    virtual bool imageHasRelativeWidth() const override;
53    virtual bool imageHasRelativeHeight() const override;
54    virtual void computeIntrinsicDimensions(const RenderElement*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) override;
55    virtual bool usesImageContainerSize() const override;
56    virtual void setContainerSizeForRenderer(const RenderElement*, const FloatSize&, float) override;
57    virtual void addClient(RenderElement*) override;
58    virtual void removeClient(RenderElement*) override;
59    virtual PassRefPtr<Image> image(RenderElement*, const FloatSize&) const override;
60    virtual bool knownToBeOpaque(const RenderElement*) const override;
61
62    explicit StyleCachedImage(CachedImage*);
63
64    CachedResourceHandle<CachedImage> m_image;
65};
66
67STYLE_IMAGE_TYPE_CASTS(StyleCachedImage, StyleImage, isCachedImage)
68
69}
70#endif
71