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			214 lines
		
	
	
	
		
			7.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			214 lines
		
	
	
	
		
			7.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| /* vim: set ts=8 sts=2 et sw=2 tw=80: */
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| /* This Source Code Form is subject to the terms of the Mozilla Public
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|  * License, v. 2.0. If a copy of the MPL was not distributed with this
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|  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 
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| /* rendering object for HTML <frameset> elements */
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| 
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| #ifndef nsHTMLFrameset_h___
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| #define nsHTMLFrameset_h___
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| 
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| #include "mozilla/Attributes.h"
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| #include "mozilla/UniquePtr.h"
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| #include "nsContainerFrame.h"
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| #include "nsColor.h"
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| 
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| class  nsIContent;
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| class  nsPresContext;
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| struct nsRect;
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| struct nsSize;
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| class  nsAtom;
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| class  nsHTMLFramesetBorderFrame;
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| class  nsHTMLFramesetFrame;
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| 
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| #define NO_COLOR 0xFFFFFFFA
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| 
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| // defined at HTMLFrameSetElement.h
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| struct nsFramesetSpec;
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| 
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| struct nsBorderColor
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| {
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|   nscolor mLeft;
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|   nscolor mRight;
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|   nscolor mTop;
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|   nscolor mBottom;
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| 
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|   nsBorderColor() { Set(NO_COLOR); }
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|   ~nsBorderColor() {}
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|   void Set(nscolor aColor) { mLeft = mRight = mTop = mBottom = aColor; }
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| };
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| 
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| enum nsFrameborder {
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|   eFrameborder_Yes = 0,
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|   eFrameborder_No,
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|   eFrameborder_Notset
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| };
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| 
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| struct nsFramesetDrag {
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|   nsHTMLFramesetFrame* mSource;    // frameset whose border was dragged to cause the resize
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|   int32_t              mIndex;     // index of left col or top row of effected area
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|   int32_t              mChange;    // pos for left to right or top to bottom, neg otherwise
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|   bool                 mVertical;  // vertical if true, otherwise horizontal
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| 
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|   nsFramesetDrag();
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|   void Reset(bool                 aVertical,
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|              int32_t              aIndex,
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|              int32_t              aChange,
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|              nsHTMLFramesetFrame* aSource);
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|   void UnSet();
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| };
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| 
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| /*******************************************************************************
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|  * nsHTMLFramesetFrame
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|  ******************************************************************************/
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| class nsHTMLFramesetFrame : public nsContainerFrame
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| {
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| public:
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|   NS_DECL_QUERYFRAME
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|   NS_DECL_FRAMEARENA_HELPERS(nsHTMLFramesetFrame)
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| 
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|   explicit nsHTMLFramesetFrame(ComputedStyle* aStyle);
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| 
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|   virtual ~nsHTMLFramesetFrame();
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| 
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|   virtual void Init(nsIContent*       aContent,
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|                     nsContainerFrame* aParent,
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|                     nsIFrame*         aPrevInFlow) override;
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| 
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|   virtual void SetInitialChildList(ChildListID  aListID,
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|                                    nsFrameList& aChildList) override;
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| 
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|   static bool    gDragInProgress;
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| 
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|   void GetSizeOfChild(nsIFrame* aChild, mozilla::WritingMode aWM,
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|                       mozilla::LogicalSize& aSize);
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| 
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|   void GetSizeOfChildAt(int32_t  aIndexInParent,
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|                         mozilla::WritingMode aWM,
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|                         mozilla::LogicalSize&  aSize,
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|                         nsIntPoint& aCellIndex);
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| 
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|   virtual nsresult HandleEvent(nsPresContext* aPresContext,
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|                                mozilla::WidgetGUIEvent* aEvent,
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|                                nsEventStatus* aEventStatus) override;
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| 
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|   virtual nsresult GetCursor(const nsPoint&    aPoint,
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|                              nsIFrame::Cursor& aCursor) override;
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| 
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|   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
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|                                 const nsDisplayListSet& aLists) override;
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| 
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|   virtual void Reflow(nsPresContext*           aPresContext,
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|                       ReflowOutput&     aDesiredSize,
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|                       const ReflowInput& aReflowInput,
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|                       nsReflowStatus&          aStatus) override;
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| 
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| #ifdef DEBUG_FRAME_DUMP
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|   virtual nsresult GetFrameName(nsAString& aResult) const override;
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| #endif
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| 
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|   void StartMouseDrag(nsPresContext* aPresContext,
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|                       nsHTMLFramesetBorderFrame* aBorder,
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|                       mozilla::WidgetGUIEvent* aEvent);
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| 
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|   void MouseDrag(nsPresContext* aPresContext,
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|                  mozilla::WidgetGUIEvent* aEvent);
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| 
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|   void EndMouseDrag(nsPresContext* aPresContext);
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| 
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|   nsFrameborder GetParentFrameborder() { return mParentFrameborder; }
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| 
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|   void SetParentFrameborder(nsFrameborder aValue) { mParentFrameborder = aValue; }
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| 
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|   nsFramesetDrag& GetDrag() { return mDrag; }
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| 
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|   void RecalculateBorderResize();
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| 
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| protected:
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|   void Scale(nscoord  aDesired,
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|              int32_t  aNumIndicies,
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|              int32_t* aIndicies,
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|              int32_t  aNumItems,
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|              int32_t* aItems);
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| 
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|   void CalculateRowCol(nsPresContext*       aPresContext,
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|                        nscoord               aSize,
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|                        int32_t               aNumSpecs,
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|                        const nsFramesetSpec* aSpecs,
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|                        nscoord*              aValues);
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| 
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|   void GenerateRowCol(nsPresContext*       aPresContext,
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|                       nscoord               aSize,
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|                       int32_t               aNumSpecs,
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|                       const nsFramesetSpec* aSpecs,
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|                       nscoord*              aValues,
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|                       nsString&             aNewAttr);
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| 
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|   virtual void GetDesiredSize(nsPresContext*          aPresContext,
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|                               const ReflowInput& aReflowInput,
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|                               ReflowOutput&     aDesiredSize);
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| 
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|   int32_t GetBorderWidth(nsPresContext* aPresContext,
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|                          bool aTakeForcingIntoAccount);
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| 
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|   int32_t GetParentBorderWidth() { return mParentBorderWidth; }
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| 
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|   void SetParentBorderWidth(int32_t aWidth) { mParentBorderWidth = aWidth; }
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| 
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|   nscolor GetParentBorderColor() { return mParentBorderColor; }
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| 
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|   void SetParentBorderColor(nscolor aColor) { mParentBorderColor = aColor; }
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| 
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|   nsFrameborder GetFrameBorder();
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| 
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|   nsFrameborder GetFrameBorder(nsIContent* aContent);
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| 
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|   nscolor GetBorderColor();
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| 
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|   nscolor GetBorderColor(nsIContent* aFrameContent);
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| 
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|   bool GetNoResize(nsIFrame* aChildFrame);
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| 
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|   void ReflowPlaceChild(nsIFrame*                aChild,
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|                         nsPresContext*          aPresContext,
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|                         const ReflowInput& aReflowInput,
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|                         nsPoint&                 aOffset,
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|                         nsSize&                  aSize,
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|                         nsIntPoint*              aCellIndex = 0);
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| 
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|   bool CanResize(bool aVertical, bool aLeft);
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| 
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|   bool CanChildResize(bool aVertical, bool aLeft, int32_t aChildX);
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| 
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|   void SetBorderResize(nsHTMLFramesetBorderFrame* aBorderFrame);
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| 
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|   template<typename T, class D = mozilla::DefaultDelete<T>>
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|   using UniquePtr = mozilla::UniquePtr<T, D>;
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| 
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|   nsFramesetDrag   mDrag;
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|   nsBorderColor    mEdgeColors;
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|   nsHTMLFramesetBorderFrame* mDragger;
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|   nsHTMLFramesetFrame* mTopLevelFrameset;
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|   UniquePtr<nsHTMLFramesetBorderFrame*[]> mVerBorders;  // vertical borders
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|   UniquePtr<nsHTMLFramesetBorderFrame*[]> mHorBorders;  // horizontal borders
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|   UniquePtr<nsFrameborder[]> mChildFrameborder; // the frameborder attr of children
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|   UniquePtr<nsBorderColor[]> mChildBorderColors;
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|   UniquePtr<nscoord[]> mRowSizes;  // currently computed row sizes
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|   UniquePtr<nscoord[]> mColSizes;  // currently computed col sizes
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|   mozilla::LayoutDeviceIntPoint mFirstDragPoint;
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|   int32_t          mNumRows;
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|   int32_t          mNumCols;
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|   int32_t          mNonBorderChildCount;
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|   int32_t          mNonBlankChildCount;
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|   int32_t          mEdgeVisibility;
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|   nsFrameborder    mParentFrameborder;
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|   nscolor          mParentBorderColor;
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|   int32_t          mParentBorderWidth;
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|   int32_t          mPrevNeighborOrigSize; // used during resize
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|   int32_t          mNextNeighborOrigSize;
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|   int32_t          mMinDrag;
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|   int32_t          mChildCount;
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| };
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| 
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| #endif
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