1 /**

     2  *

     3  * Copyright (C)  2004  Zack Rusin <zack@kde.org>

     4  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.

     5  *

     6  * This library is free software; you can redistribute it and/or

     7  * modify it under the terms of the GNU Lesser 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  * Lesser General Public License for more details.

    15  *

    16  * You should have received a copy of the GNU Lesser General Public

    17  * License along with this library; if not, write to the Free Software

    18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

    19  * 02110-1301  USA

    20  */

    21 

    22 #ifndef CSSComputedStyleDeclaration_h

    23 #define CSSComputedStyleDeclaration_h

    24 

    25 #include "CSSStyleDeclaration.h"

    26 #include "Node.h"

    27 

    28 namespace WebCore {

    29 

    30 class CSSMutableStyleDeclaration;

    31 class CSSProperty;

    32 class RenderObject;

    33 class RenderStyle;

    34 

    35 enum EUpdateLayout { DoNotUpdateLayout = false, UpdateLayout = true };

    36 

    37 class CSSComputedStyleDeclaration : public CSSStyleDeclaration {

    38 public:

    39     CSSComputedStyleDeclaration(PassRefPtr<Node>);

    40     virtual ~CSSComputedStyleDeclaration();

    41 

    42     virtual String cssText() const;

    43 

    44     virtual unsigned length() const;

    45     virtual String item(unsigned index) const;

    46 

    47     virtual PassRefPtr<CSSValue> getPropertyCSSValue(int propertyID) const;

    48     virtual String getPropertyValue(int propertyID) const;

    49     virtual bool getPropertyPriority(int propertyID) const;

    50     virtual int getPropertyShorthand(int propertyID) const { return -1; }

    51     virtual bool isPropertyImplicit(int propertyID) const { return true; }

    52 

    53     virtual PassRefPtr<CSSMutableStyleDeclaration> copy() const;

    54     virtual PassRefPtr<CSSMutableStyleDeclaration> makeMutable();

    55 

    56     PassRefPtr<CSSValue> getPropertyCSSValue(int propertyID, EUpdateLayout) const;

    57 

    58     PassRefPtr<CSSMutableStyleDeclaration> copyInheritableProperties() const;

    59 

    60     static void removeComputedInheritablePropertiesFrom(CSSMutableStyleDeclaration*);

    61 

    62 private:

    63     virtual void setCssText(const String&, ExceptionCode&);

    64 

    65     virtual String removeProperty(int propertyID, ExceptionCode&);

    66     virtual void setProperty(int propertyId, const String& value, bool important, ExceptionCode&);

    67 

    68     RefPtr<Node> m_node;

    69 };

    70 

    71 PassRefPtr<CSSComputedStyleDeclaration> computedStyle(Node*);

    72 

    73 } // namespace WebCore

    74 

    75 #endif // CSSComputedStyleDeclaration_h