1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
4 * Copyright (C) 2013 Google Inc. All rights reserved.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB.  If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 *
21 */
22
23#ifndef StyleResourceLoader_h
24#define StyleResourceLoader_h
25
26#include "wtf/OwnPtr.h"
27#include "wtf/PassRefPtr.h"
28
29namespace blink {
30
31class ElementStyleResources;
32class RenderStyle;
33class ResourceFetcher;
34class ShapeValue;
35class StyleImage;
36class StylePendingImage;
37
38// Manages loading of resources, requested by the stylesheets.
39// Expects the same lifetime as StyleResolver, because
40// it expects ResourceFetcher to never change.
41class StyleResourceLoader {
42WTF_MAKE_NONCOPYABLE(StyleResourceLoader);
43public:
44    explicit StyleResourceLoader(ResourceFetcher*);
45
46    void loadPendingResources(RenderStyle*, ElementStyleResources&);
47
48private:
49    void loadPendingSVGDocuments(RenderStyle*, ElementStyleResources&);
50
51    PassRefPtr<StyleImage> loadPendingImage(StylePendingImage*, float deviceScaleFactor);
52    void loadPendingImages(RenderStyle*, ElementStyleResources&);
53    void loadPendingShapeImage(RenderStyle*, ShapeValue*, float deviceScaleFactor);
54
55    ResourceFetcher* m_fetcher;
56};
57
58} // namespace blink
59
60#endif // StyleResourceLoader_h
61