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 /* -*- 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/. */

 #ifndef nsIFormControlFrame_h___

 #define nsIFormControlFrame_h___

 #include "nsQueryFrame.h"

 class nsAString;

 class nsIAtom;

 /** 

   * nsIFormControlFrame is the common interface for frames of form controls. It

   * provides a uniform way of creating widgets, resizing, and painting.

   * @see nsLeafFrame and its base classes for more info

   */

 class nsIFormControlFrame : public nsQueryFrame

 {

 public:

   NS_DECL_QUERYFRAME_TARGET(nsIFormControlFrame)

   /**

    * 

    * @param aOn

    * @param aRepaint

    */

   virtual void SetFocus(bool aOn = true, bool aRepaint = false) = 0;

   /**

    * Set a property on the form control frame.

    *

    * @param aName name of the property to set

    * @param aValue value of the property

    * @returns NS_OK if the property name is valid, otherwise an error code

    */

   virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) = 0;

 };

 #endif