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 : 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 WrappedImagePtr data() const { return m_image.get(); }
42
43    virtual PassRefPtr<CSSValue> cssValue() const;
44
45    virtual bool canRender(const RenderObject*, float multiplier) const;
46    virtual bool isLoaded() const;
47    virtual bool errorOccurred() const;
48    virtual LayoutSize imageSize(const RenderObject*, float multiplier) const OVERRIDE;
49    virtual bool imageHasRelativeWidth() const;
50    virtual bool imageHasRelativeHeight() const;
51    virtual void computeIntrinsicDimensions(const RenderObject*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio);
52    virtual bool usesImageContainerSize() const;
53    virtual void setContainerSizeForRenderer(const RenderObject*, const IntSize&, float);
54    virtual void addClient(RenderObject*);
55    virtual void removeClient(RenderObject*);
56    virtual PassRefPtr<Image> image(RenderObject*, const IntSize&) const;
57    virtual bool knownToBeOpaque(const RenderObject*) const OVERRIDE;
58    virtual CachedImage* cachedImage() const OVERRIDE { return m_image.get(); }
59
60private:
61    explicit StyleCachedImage(CachedImage*);
62
63    CachedResourceHandle<CachedImage> m_image;
64};
65
66}
67#endif
68