WebCore/CachedCSSStyleSheet.h

   1 /*
   2     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
   3     Copyright (C) 2001 Dirk Mueller <mueller@kde.org>
   4     Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
   5     Copyright (C) 2004, 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     This class provides all functionality needed for loading images, style sheets and html
  23     pages from the web. It has a memory cache for these objects.
  24 */
  25
  26 #ifndef CachedCSSStyleSheet_h
  27 #define CachedCSSStyleSheet_h
  28
  29 #include "CachedResource.h"
  30 #include "TextEncoding.h"
  31 #include <wtf/Vector.h>
  32
  33 namespace WebCore {
  34
  35     class DocLoader;
  36     class TextResourceDecoder;
  37
  38     class CachedCSSStyleSheet : public CachedResource {
  39     public:
  40         CachedCSSStyleSheet(const String& URL, const String& charset);
  41         virtual ~CachedCSSStyleSheet();
  42
  43         const String sheetText(bool enforceMIMEType = true) const;
  44
  45         virtual void addClient(CachedResourceClient*);
  46
  47         virtual void allClientsRemoved();
  48
  49         virtual void setEncoding(const String&);
  50         virtual String encoding() const;
  51         virtual void data(PassRefPtr<SharedBuffer> data, bool allDataReceived);
  52         virtual void error();
  53
  54         virtual bool schedule() const { return true; }
  55
  56         void checkNotify();
  57
  58     private:
  59         bool canUseSheet(bool enforceMIMEType) const;
  60
  61     protected:
  62         RefPtr<TextResourceDecoder> m_decoder;
  63         String m_decodedSheetText;
  64     };
  65
  66 }
  67
  68 #endif