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 | |
26 | namespace WebCore { |
27 | |
28 | class CachedResource; |
29 | |
30 | class CachedResourceClient { |
31 | public: |
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 | |
50 | protected: |
51 | CachedResourceClient() = default; |
52 | }; |
53 | |
54 | } |
55 | |