WebCore/CSSStyleDeclaration.h

   1 /*
   2  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
   3  * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public License
  16  * along with this library; see the file COPYING.LIB.  If not, write to
  17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18  * Boston, MA 02110-1301, USA.
  19  */
  20
  21 #ifndef CSSStyleDeclaration_h
  22 #define CSSStyleDeclaration_h
  23
  24 #include "StyleBase.h"
  25 #include <wtf/Forward.h>
  26
  27 namespace WebCore {
  28
  29 class CSSMutableStyleDeclaration;
  30 class CSSRule;
  31 class CSSValue;
  32
  33 typedef int ExceptionCode;
  34
  35 class CSSStyleDeclaration : public StyleBase {
  36 public:
  37     static bool isPropertyName(const String&);
  38
  39     CSSRule* parentRule() const;
  40
  41     virtual String cssText() const = 0;
  42     virtual void setCssText(const String&, ExceptionCode&) = 0;
  43
  44     virtual unsigned length() const = 0;
  45     virtual String item(unsigned index) const = 0;
  46
  47     PassRefPtr<CSSValue> getPropertyCSSValue(const String& propertyName);
  48     String getPropertyValue(const String& propertyName);
  49     String getPropertyPriority(const String& propertyName);
  50     String getPropertyShorthand(const String& propertyName);
  51     bool isPropertyImplicit(const String& propertyName);
  52
  53     virtual PassRefPtr<CSSValue> getPropertyCSSValue(int propertyID) const = 0;
  54     virtual String getPropertyValue(int propertyID) const = 0;
  55     virtual bool getPropertyPriority(int propertyID) const = 0;
  56     virtual int getPropertyShorthand(int propertyID) const = 0;
  57     virtual bool isPropertyImplicit(int propertyID) const = 0;
  58
  59     void setProperty(const String& propertyName, const String& value, ExceptionCode&);
  60     void setProperty(const String& propertyName, const String& value, const String& priority, ExceptionCode&);
  61     String removeProperty(const String& propertyName, ExceptionCode&);
  62     virtual void setProperty(int propertyId, const String& value, bool important, ExceptionCode&) = 0;
  63     virtual String removeProperty(int propertyID, ExceptionCode&) = 0;
  64
  65     virtual PassRefPtr<CSSMutableStyleDeclaration> copy() const = 0;
  66     virtual PassRefPtr<CSSMutableStyleDeclaration> makeMutable() = 0;
  67
  68     void diff(CSSMutableStyleDeclaration*) const;
  69
  70     PassRefPtr<CSSMutableStyleDeclaration> copyPropertiesInSet(const int* set, unsigned length) const;
  71
  72 protected:
  73     CSSStyleDeclaration(CSSRule* parentRule = 0);
  74 };
  75
  76 } // namespace WebCore
  77
  78 #endif // CSSStyleDeclaration_h