mirror of
https://github.com/rn10950/RetroZilla.git
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214 lines
7.8 KiB
C++
214 lines
7.8 KiB
C++
/* -*- 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: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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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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* License.
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*
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* The Original Code is mozilla.org code.
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*
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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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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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 MPL, 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 MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsFileControlFrame_h___
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#define nsFileControlFrame_h___
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#include "nsAreaFrame.h"
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#include "nsIFormControlFrame.h"
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#include "nsIDOMMouseListener.h"
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#include "nsIAnonymousContentCreator.h"
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#include "nsCOMPtr.h"
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#include "nsTextControlFrame.h"
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#include "nsFormControlHelper.h"
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typedef nsTextControlFrame nsNewFrame;
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class nsISupportsArray;
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class nsFileControlFrame : public nsAreaFrame,
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public nsIFormControlFrame,
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public nsIAnonymousContentCreator
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{
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public:
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nsFileControlFrame();
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virtual ~nsFileControlFrame();
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NS_IMETHOD Init(nsPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsStyleContext* aContext,
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nsIFrame* aPrevInFlow);
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NS_IMETHOD Paint(nsPresContext* aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsFramePaintLayer aWhichLayer,
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PRUint32 aFlags = 0);
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// nsIFormControlFrame
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NS_IMETHOD SetProperty(nsPresContext* aPresContext, nsIAtom* aName, const nsAString& aValue);
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NS_IMETHOD GetProperty(nsIAtom* aName, nsAString& aValue);
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NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
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NS_IMETHOD OnContentReset();
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NS_IMETHOD Reflow(nsPresContext* aCX,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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NS_IMETHOD Destroy(nsPresContext *aPresContext);
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#ifdef NS_DEBUG
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NS_IMETHOD GetFrameName(nsAString& aResult) const;
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#endif
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NS_IMETHOD SetSuggestedSize(nscoord aWidth, nscoord aHeight) { return NS_OK; };
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NS_IMETHOD GetFrameForPoint(const nsPoint& aPoint, nsFramePaintLayer aWhichLayer, nsIFrame** aFrame);
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NS_IMETHOD AttributeChanged(nsIContent* aChild,
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PRInt32 aNameSpaceID,
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nsIAtom* aAttribute,
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PRInt32 aModType);
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virtual PRBool IsLeaf() const;
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NS_IMETHOD GetName(nsAString* aName);
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NS_IMETHOD_(PRInt32) GetFormControlType() const;
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void SetFocus(PRBool aOn, PRBool aRepaint);
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void ScrollIntoView(nsPresContext* aPresContext);
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NS_IMETHOD GetFormContent(nsIContent*& aContent) const;
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virtual nscoord GetVerticalInsidePadding(nsPresContext* aPresContext,
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float aPixToTwip,
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nscoord aInnerHeight) const;
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virtual nscoord GetHorizontalInsidePadding(nsPresContext* aPresContext,
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float aPixToTwip,
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nscoord aInnerWidth,
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nscoord aCharWidth) const;
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// from nsIAnonymousContentCreator
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NS_IMETHOD CreateAnonymousContent(nsPresContext* aPresContext,
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nsISupportsArray& aChildList);
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NS_IMETHOD CreateFrameFor(nsPresContext* aPresContext,
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nsIContent * aContent,
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nsIFrame** aFrame) { if (aFrame) *aFrame = nsnull; return NS_ERROR_FAILURE; }
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// We don't paint our background.
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virtual PRBool CanPaintBackground() { return PR_FALSE; }
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protected:
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class MouseListener;
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friend class MouseListener;
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class MouseListener : public nsIDOMMouseListener {
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public:
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NS_DECL_ISUPPORTS
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MouseListener(nsFileControlFrame* aFrame) :
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mFrame(aFrame)
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{}
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void ForgetFrame() {
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mFrame = nsnull;
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}
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// We just want to capture the click events on our browse button
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// and textfield.
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NS_IMETHOD MouseDown(nsIDOMEvent* aMouseEvent) { return NS_OK; }
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NS_IMETHOD MouseUp(nsIDOMEvent* aMouseEvent) { return NS_OK; }
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NS_IMETHOD MouseClick(nsIDOMEvent* aMouseEvent);
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NS_IMETHOD MouseDblClick(nsIDOMEvent* aMouseEvent) { return NS_OK; }
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NS_IMETHOD MouseOver(nsIDOMEvent* aMouseEvent) { return NS_OK; }
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NS_IMETHOD MouseOut(nsIDOMEvent* aMouseEvent) { return NS_OK; }
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NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; }
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private:
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nsFileControlFrame* mFrame;
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};
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virtual PRIntn GetSkipSides() const;
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/**
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* The text frame (populated on initial reflow).
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* @see nsFileControlFrame::Reflow
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*/
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nsNewFrame* mTextFrame;
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/**
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* The text box input.
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* @see nsFileControlFrame::CreateAnonymousContent
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*/
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nsCOMPtr<nsIContent> mTextContent;
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/**
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* The browse button input.
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* @see nsFileControlFrame::CreateAnonymousContent
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*/
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nsCOMPtr<nsIContent> mBrowse;
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/**
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* The current value, stored during those rare in-between periods where the
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* file frame is there but the input frame is not.
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*/
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nsString* mCachedState;
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/**
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* The current pres context.
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* XXX Hack: pres context needed by function MouseClick() and SetFocus()
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*/
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nsPresContext* mPresContext; // weak reference
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/**
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* Our mouse listener. This makes sure we don't get used after destruction.
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*/
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nsRefPtr<MouseListener> mMouseListener;
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private:
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/**
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* Find the first text frame child (first frame child whose content has input
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* type=text) of a frame.
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* XXX this is an awfully complicated implementation of something we could
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* likely do by just doing GetPrimaryFrame on mTextContent
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*
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* @param aPresContext the current pres context
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* @param aStart the parent frame to search children of
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* @return the text control frame, or null if not found
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*/
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nsNewFrame* GetTextControlFrame(nsPresContext* aPresContext,
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nsIFrame* aStart);
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/**
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* Copy an attribute from file content to text and button content.
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* @param aNameSpaceID namespace of attr
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* @param aAttribute attribute atom
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* @param aWhichControls which controls to apply to (SYNC_TEXT or SYNC_FILE
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* or SYNC_BOTH)
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*/
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void SyncAttr(PRInt32 aNameSpaceID, nsIAtom* aAttribute,
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PRBool aWhichControls);
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NS_IMETHOD_(nsrefcnt) AddRef() { return 1; }
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NS_IMETHOD_(nsrefcnt) Release() { return 1; }
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};
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#endif
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