palemoon-dev/platform/layout/style/nsDOMCSSRect.h

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 rectangle values in DOM computed style */

#ifndef nsDOMCSSRect_h_
#define nsDOMCSSRect_h_

#include "mozilla/Attributes.h"
#include "nsIDOMRect.h"
#include "nsCycleCollectionParticipant.h"
#include "nsWrapperCache.h"

class nsROCSSPrimitiveValue;

class nsDOMCSSRect final : public nsIDOMRect,
                           public nsWrapperCache
{
public:
  nsDOMCSSRect(nsROCSSPrimitiveValue* aTop,
               nsROCSSPrimitiveValue* aRight,
               nsROCSSPrimitiveValue* aBottom,
               nsROCSSPrimitiveValue* aLeft);

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  NS_DECL_NSIDOMRECT

  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsDOMCSSRect)

  nsROCSSPrimitiveValue* Top() const { return mTop; }
  nsROCSSPrimitiveValue* Right() const { return mRight; }
  nsROCSSPrimitiveValue* Bottom() const { return mBottom; }
  nsROCSSPrimitiveValue* Left() const { return mLeft; }

  nsISupports* GetParentObject() const { return nullptr; }

  virtual JSObject* WrapObject(JSContext* cx, JS::Handle<JSObject*> aGivenProto)
    override final;

protected:
  virtual ~nsDOMCSSRect(void);

private:
  RefPtr<nsROCSSPrimitiveValue> mTop;
  RefPtr<nsROCSSPrimitiveValue> mRight;
  RefPtr<nsROCSSPrimitiveValue> mBottom;
  RefPtr<nsROCSSPrimitiveValue> mLeft;
};

#endif /* nsDOMCSSRect_h_ */