text: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
  /* ***** BEGIN LICENSE BLOCK *****
   * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   *
   * The contents of this file are subject to the Mozilla Public License Version
   * 1.1 (the "License"); you may not use this file except in compliance with
   * the License. You may obtain a copy of the License at
   * http://www.mozilla.org/MPL/
   *
   * Software distributed under the License is distributed on an "AS IS" basis,
   * 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.org code.
   *
   * The Initial Developer of the Original Code is
   * Netscape Corp.
   * Portions created by the Initial Developer are Copyright (C) 2003
   * the Initial Developer. All Rights Reserved.
   *
   * Contributor(s):
   *   Aaron Leventhal
   *
   * Alternatively, the contents of this file may be used under the terms of
   * either 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"),
   * in which case the provisions of the GPL or the LGPL are applicable instead
   * of those above. If you wish to allow use of your version of this file only
   * under the terms of either the GPL or the LGPL, and not to allow others to
   * use your version of this file under the terms of the MPL, indicate your
   * decision by deleting the provisions above and replace them with the notice
   * and other provisions required by the GPL or the LGPL. If you do not delete
   * the provisions above, a recipient may use your version of this file under
   * the terms of any one of the MPL, the GPL or the LGPL.
   *
   * ***** END LICENSE BLOCK ***** */
  
  #ifndef _nsTextAccessibleWrap_H_
  #define _nsTextAccessibleWrap_H_
  
  #include "nsTextAccessible.h"
  #include "ISimpleDOMText.h"
  #include "nsRect.h"
  
  class nsIFrame;
  class nsIRenderingContext;
  
  class nsTextAccessibleWrap : public nsTextAccessible, 
                               public ISimpleDOMText
  {
  public:
    nsTextAccessibleWrap(nsIContent *aContent, nsIWeakReference *aShell);
    virtual ~nsTextAccessibleWrap() {}
  
      // IUnknown methods - see iunknown.h for documentation
      STDMETHODIMP_(ULONG) AddRef();
      STDMETHODIMP_(ULONG) Release();
      STDMETHODIMP QueryInterface(REFIID, void**);
  
      virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_domText( 
          /* [retval][out] */ BSTR __RPC_FAR *domText);
      
      virtual HRESULT STDMETHODCALLTYPE get_clippedSubstringBounds( 
          /* [in] */ unsigned int startIndex,
          /* [in] */ unsigned int endIndex,
          /* [out] */ int __RPC_FAR *x,
          /* [out] */ int __RPC_FAR *y,
          /* [out] */ int __RPC_FAR *width,
          /* [out] */ int __RPC_FAR *height);
      
      virtual HRESULT STDMETHODCALLTYPE get_unclippedSubstringBounds( 
          /* [in] */ unsigned int startIndex,
          /* [in] */ unsigned int endIndex,
          /* [out] */ int __RPC_FAR *x,
          /* [out] */ int __RPC_FAR *y,
          /* [out] */ int __RPC_FAR *width,
          /* [out] */ int __RPC_FAR *height);
      
      virtual HRESULT STDMETHODCALLTYPE scrollToSubstring( 
          /* [in] */ unsigned int startIndex,
          /* [in] */ unsigned int endIndex);
  
      virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_fontFamily( 
          /* [retval][out] */ BSTR __RPC_FAR *fontFamily);
      
    protected:
      nsresult GetCharacterExtents(PRInt32 aStartOffset, PRInt32 aEndOffset,
                                   PRInt32* aX, PRInt32* aY, 
                                   PRInt32* aWidth, PRInt32* aHeight);
  
      // Return child frame containing offset on success
      nsIFrame* GetPointFromOffset(nsIFrame *aContainingFrame,
                                   PRInt32 aOffset, PRBool aPreferNext, nsPoint& aOutPoint);
  };
  
  #endif
  
  