michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim:set tw=80 expandtab softtabstop=2 ts=2 sw=2: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /**
michael@0:  * nsStyledElement is the base for elements supporting styling via the
michael@0:  * id/class/style attributes; it is a common base for their support in HTML,
michael@0:  * SVG and MathML.
michael@0:  */
michael@0: 
michael@0: #ifndef __NS_STYLEDELEMENT_H_
michael@0: #define __NS_STYLEDELEMENT_H_
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "nsString.h"
michael@0: #include "mozilla/dom/Element.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace css {
michael@0: class StyleRule;
michael@0: }
michael@0: }
michael@0: 
michael@0: typedef mozilla::dom::Element nsStyledElementBase;
michael@0: 
michael@0: class nsStyledElementNotElementCSSInlineStyle : public nsStyledElementBase
michael@0: {
michael@0: 
michael@0: protected:
michael@0: 
michael@0:   inline nsStyledElementNotElementCSSInlineStyle(already_AddRefed<nsINodeInfo>& aNodeInfo)
michael@0:     : nsStyledElementBase(aNodeInfo)
michael@0:   {}
michael@0: 
michael@0: public:
michael@0:   // nsIContent interface methods
michael@0:   virtual nsIAtom* GetClassAttributeName() const MOZ_OVERRIDE;
michael@0:   virtual nsIAtom* GetIDAttributeName() const MOZ_OVERRIDE;
michael@0:   virtual nsIAtom* DoGetID() const MOZ_OVERRIDE;
michael@0:   virtual const nsAttrValue* DoGetClasses() const MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual mozilla::css::StyleRule* GetInlineStyleRule();
michael@0:   virtual nsresult SetInlineStyleRule(mozilla::css::StyleRule* aStyleRule,
michael@0:                                       const nsAString* aSerialized,
michael@0:                                       bool aNotify) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual nsresult UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
michael@0:                              bool aNotify) MOZ_OVERRIDE;
michael@0:   virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
michael@0:                                 const nsAttrValue* aValue, bool aNotify) MOZ_OVERRIDE;
michael@0: 
michael@0:   nsICSSDeclaration* Style();
michael@0: 
michael@0: protected:
michael@0: 
michael@0:   /**
michael@0:    * Parse a style attr value into a CSS rulestruct (or, if there is no
michael@0:    * document, leave it as a string) and return as nsAttrValue.
michael@0:    *
michael@0:    * @param aValue the value to parse
michael@0:    * @param aResult the resulting HTMLValue [OUT]
michael@0:    */
michael@0:   void ParseStyleAttribute(const nsAString& aValue,
michael@0:                            nsAttrValue& aResult,
michael@0:                            bool aForceInDataDoc);
michael@0: 
michael@0:   virtual bool ParseAttribute(int32_t aNamespaceID, nsIAtom* aAttribute,
michael@0:                                 const nsAString& aValue, nsAttrValue& aResult) MOZ_OVERRIDE;
michael@0: 
michael@0:   friend class mozilla::dom::Element;
michael@0: 
michael@0:   /**
michael@0:    * Create the style struct from the style attr.  Used when an element is
michael@0:    * first put into a document.  Only has an effect if the old value is a
michael@0:    * string.  If aForceInDataDoc is true, will reparse even if we're in a data
michael@0:    * document.
michael@0:    */
michael@0:   nsresult  ReparseStyleAttribute(bool aForceInDataDoc);
michael@0: };
michael@0: 
michael@0: class nsStyledElement : public nsStyledElementNotElementCSSInlineStyle {
michael@0: protected:
michael@0:   inline nsStyledElement(already_AddRefed<nsINodeInfo>& aNodeInfo)
michael@0:     : nsStyledElementNotElementCSSInlineStyle(aNodeInfo)
michael@0:   {}
michael@0: };
michael@0: 
michael@0: #endif // __NS_STYLEDELEMENT_H_