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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* The Original Code is mozilla.org code.
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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* John Gaunt (jgaunt@netscape.com)
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL. *
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* ***** END LICENSE BLOCK ***** */
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#ifndef _nsAccessible_H_
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#define _nsAccessible_H_
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#include "nsAccessNodeWrap.h"
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#include "nsIAccessible.h"
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#include "nsPIAccessible.h"
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#include "nsWeakReference.h"
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#include "nsIDOMNodeList.h"
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// When mNextSibling is set to this, it indicates there ar eno more siblings
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#define DEAD_END_ACCESSIBLE NS_STATIC_CAST(nsIAccessible*, (void*)1)
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class nsAccessible : public nsAccessNodeWrap,
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// to eliminate the confusion of "magic numbers" -- if ( 0 ){ foo; }
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enum { eAction_Switch=0, eAction_Jump=0, eAction_Click=0, eAction_Select=0 };
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enum { eNo_Action=0, eSingle_Action=1 };
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nsAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
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virtual ~nsAccessible();
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSPIACCESSIBLE
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static nsresult GetFocusedNode(nsIDOMNode *aCurrentNode, nsIDOMNode **aFocusedNode);
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NS_IMETHOD Shutdown();
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#ifdef MOZ_ACCESSIBILITY_ATK
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static nsresult GetParentBlockNode(nsIPresShell *aPresShell, nsIDOMNode *aCurrentNode, nsIDOMNode **aBlockNode);
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static nsIFrame* GetParentBlockFrame(nsIFrame *aFrame);
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static PRBool FindTextFrame(PRInt32 &index, nsIPresContext *aPresContext, nsIFrame *aCurFrame,
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nsIFrame **aFirstTextFrame, const nsIFrame *aTextFrame);
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static PRBool IsCorrectFrameType(nsIFrame* aFrame, nsIAtom* aAtom);
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virtual nsIFrame* GetBoundsFrame();
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virtual void GetBoundsRect(nsRect& aRect, nsIFrame** aRelativeFrame);
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PRBool IsPartiallyVisible(PRBool *aIsOffscreen);
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NS_IMETHOD AppendLabelText(nsIDOMNode *aLabelNode, nsAString& _retval);
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NS_IMETHOD AppendLabelFor(nsIContent *aLookNode, const nsAString *aId, nsAString *aLabel);
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NS_IMETHOD GetHTMLName(nsAString& _retval);
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NS_IMETHOD GetXULName(nsAString& _retval);
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NS_IMETHOD AppendFlatStringFromSubtree(nsIContent *aContent, nsAString *aFlatString);
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NS_IMETHOD AppendFlatStringFromContentNode(nsIContent *aContent, nsAString *aFlatString);
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NS_IMETHOD AppendStringWithSpaces(nsAString *aFlatString, const nsAString& textEquivalent);
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// helper method to verify frames
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static nsresult GetFullKeyName(const nsAString& aModifierName, const nsAString& aKeyName, nsAString& aStringOut);
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static nsresult GetTranslatedString(const nsAString& aKey, nsAString& aStringOut);
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void GetScrollOffset(nsRect *aRect);
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void GetScreenOrigin(nsIPresContext *aPresContext, nsIFrame *aFrame, nsRect *aRect);
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nsresult AppendFlatStringFromSubtreeRecurse(nsIContent *aContent, nsAString *aFlatString);
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void CacheChildren(PRBool aWalkNormalDOM);
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nsCOMPtr<nsIAccessible> mParent;
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nsIAccessible *mFirstChild, *mNextSibling;