gecko-dev/layout/style/CSSValue.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* DOM object representing values in DOM computed style */
#ifndef mozilla_dom_CSSValue_h_
#define mozilla_dom_CSSValue_h_
#include "nsWrapperCache.h"
#include "nsStringFwd.h"
class nsROCSSPrimitiveValue;
namespace mozilla {
class ErrorResult;
} // namespace mozilla
namespace mozilla {
namespace dom {
/**
* CSSValue - a DOM object representing values in DOM computed style.
*/
class CSSValue : public nsISupports,
public nsWrapperCache
{
public:
// CSSValue
virtual void GetCssText(nsString& aText, mozilla::ErrorResult& aRv) = 0;
virtual void SetCssText(const nsAString& aText, mozilla::ErrorResult& aRv) = 0;
virtual uint16_t CssValueType() const = 0;
// Downcasting
/**
* Return this as a nsROCSSPrimitiveValue* if its a primitive value, and null
* otherwise.
*/
nsROCSSPrimitiveValue *AsPrimitiveValue();
};
} // namespace dom
} // namespace mozilla
#endif