gecko/layout/forms/nsITextControlFrame.h

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * 1.1 (the "License"); you may not use this file except in compliance with
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 *
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 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla Communicator client code.
 *
 * The Initial Developer of the Original Code is
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 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *
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 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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#ifndef nsITextControlFrame_h___
#define nsITextControlFrame_h___
 
#include "nsIFormControlFrame.h"

class nsIEditor;
class nsIDocShell;
class nsISelectionController;
class nsFrameSelection;

#define NS_IGFXTEXTCONTROLFRAME2_IID \
{/* 0c3b64da-4431-11da-94fd-00e08161165f*/ \
0xc3b64da, 0x4431, 0x11da, \
{ 0x94, 0xfd, 0x0, 0xe0, 0x81, 0x61, 0x16, 0x5f } }

class nsITextControlFrame : public nsIFormControlFrame
{
public:
  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IGFXTEXTCONTROLFRAME2_IID)

  NS_IMETHOD    GetEditor(nsIEditor **aEditor) = 0;

  /**
   * Tell whether the frame currently owns the value or the content does (for
   * edge cases where the frame has just been created or is just going away).
   *
   * @param aOwnsValue whether the frame owns the value [out]
   */
  NS_IMETHOD    OwnsValue(PRBool* aOwnsValue) = 0;

  /**
   * Get the current value, either from the editor or from the textarea.
   *
   * @param aValue the value [out]
   * @param aIgnoreWrap whether to ignore the wrap attribute when getting the
   *        value.  If this is true, linebreaks will not be inserted even if
   *        wrap=hard.
   */
  NS_IMETHOD    GetValue(nsAString& aValue, PRBool aIgnoreWrap) const = 0;
  
  NS_IMETHOD    GetTextLength(PRInt32* aTextLength) = 0;
  
  /**
   * Fire onChange if the value has changed since it was focused or since it
   * was last fired.
   */
  NS_IMETHOD    CheckFireOnChange() = 0;
  NS_IMETHOD    SetSelectionStart(PRInt32 aSelectionStart) = 0;
  NS_IMETHOD    SetSelectionEnd(PRInt32 aSelectionEnd) = 0;
  
  NS_IMETHOD    SetSelectionRange(PRInt32 aSelectionStart, PRInt32 aSelectionEnd) = 0;
  NS_IMETHOD    GetSelectionRange(PRInt32* aSelectionStart, PRInt32* aSelectionEnd) = 0;

  virtual nsISelectionController* GetOwnedSelectionController() = 0;
  virtual nsFrameSelection* GetOwnedFrameSelection() = 0;
};

NS_DEFINE_STATIC_IID_ACCESSOR(nsITextControlFrame,
                              NS_IGFXTEXTCONTROLFRAME2_IID)

#endif