michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
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: /* DOM object representing values in DOM computed style */
michael@0: 
michael@0: #ifndef mozilla_dom_CSSValue_h_
michael@0: #define mozilla_dom_CSSValue_h_
michael@0: 
michael@0: #include "nsWrapperCache.h"
michael@0: 
michael@0: #include "mozilla/ErrorResult.h"
michael@0: #include "nsString.h"
michael@0: 
michael@0: class nsIDOMCSSValue;
michael@0: class nsROCSSPrimitiveValue;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: /**
michael@0:  * CSSValue - a DOM object representing values in DOM computed style.
michael@0:  */
michael@0: class CSSValue : public nsISupports,
michael@0:                  public nsWrapperCache
michael@0: {
michael@0: public:
michael@0:   // CSSValue
michael@0:   virtual void GetCssText(nsString& aText, mozilla::ErrorResult& aRv) = 0;
michael@0:   virtual void SetCssText(const nsAString& aText, mozilla::ErrorResult& aRv) = 0;
michael@0:   virtual uint16_t CssValueType() const = 0;
michael@0: 
michael@0:   // Downcasting
michael@0: 
michael@0:   /**
michael@0:    * Return this as a nsROCSSPrimitiveValue* if its a primitive value, and null
michael@0:    * otherwise.
michael@0:    */
michael@0:   nsROCSSPrimitiveValue *AsPrimitiveValue();
michael@0: };
michael@0: 
michael@0: }
michael@0: }
michael@0: 
michael@0: #endif