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nsXULSliderAccessible.h

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 * The contents of this file are subject to the Mozilla Public License Version
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 * Contributor(s):
 *   Alexander Surkov <surkov.alexander@gmail.com> (original author)
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#ifndef _nsXULSliderAccessible_H_
#define _nsXULSliderAccessible_H_

#include "nsAccessibleWrap.h"

#include "nsIDOMElement.h"

class nsXULSliderAccessible : public nsAccessibleWrap
{
public:
  nsXULSliderAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);

  // nsIAccessible
  NS_IMETHOD GetRole(PRUint32 *aRole);
  NS_IMETHOD GetValue(nsAString& aValue);

  // nsIAccessibleValue
  NS_IMETHOD GetMaximumValue(double *aMaximumValue);
  NS_IMETHOD GetMinimumValue(double *aMinimumValue);
  NS_IMETHOD GetMinimumIncrement(double *aMinIncrement);
  NS_IMETHOD GetCurrentValue(double *aValue);
  NS_IMETHOD SetCurrentValue(double aValue);

  // nsPIAccessible
  NS_IMETHOD GetAllowsAnonChildAccessibles(PRBool *aAllowsAnonChildren);

protected:
  already_AddRefed<nsIContent> GetSliderNode();

  nsresult GetSliderAttr(nsIAtom *aName, nsAString& aValue);
  nsresult SetSliderAttr(nsIAtom *aName, const nsAString& aValue);

  nsresult GetSliderAttr(nsIAtom *aName, double *aValue);
  nsresult SetSliderAttr(nsIAtom *aName, double aValue);

private:
  nsCOMPtr<nsIDOMElement> mSliderNode;
};


class nsXULThumbAccessible : public nsAccessibleWrap
{
public:
  nsXULThumbAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);

  // nsIAccessible
  NS_IMETHOD GetRole(PRUint32 *aRole);
};

#endif


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