1/*
2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
3 Copyright (C) 2001 Dirk Mueller <mueller@kde.org>
4 Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple 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 This class provides all functionality needed for loading images, style sheets and html
22 pages from the web. It has a memory cache for these objects.
23*/
24#pragma once
25
26namespace WebCore {
27
28class CachedResource;
29
30class CachedResourceClient {
31public:
32 enum CachedResourceClientType {
33 BaseResourceType,
34 ImageType,
35 FontType,
36 StyleSheetType,
37 SVGDocumentType,
38 RawResourceType
39 };
40
41 virtual ~CachedResourceClient() = default;
42 virtual void notifyFinished(CachedResource&) { }
43 virtual void deprecatedDidReceiveCachedResource(CachedResource&) { }
44 virtual bool isXMLHttpRequest() const { return false; }
45
46 static CachedResourceClientType expectedType() { return BaseResourceType; }
47 virtual CachedResourceClientType resourceClientType() const { return expectedType(); }
48 virtual bool shouldMarkAsReferenced() const { return true; }
49
50protected:
51 CachedResourceClient() = default;
52};
53
54}
55