diff -r 000000000000 -r 6474c204b198 layout/generic/nsFrameSetFrame.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layout/generic/nsFrameSetFrame.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,216 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* rendering object for HTML <frameset> elements */
+
+#ifndef nsHTMLFrameset_h___
+#define nsHTMLFrameset_h___
+
+#include "mozilla/Attributes.h"
+#include "nsContainerFrame.h"
+#include "nsColor.h"
+
+class  nsIContent;
+class  nsPresContext;
+struct nsRect;
+struct nsHTMLReflowState;
+struct nsSize;
+class  nsIAtom;
+class  nsHTMLFramesetBorderFrame;
+class  nsHTMLFramesetFrame;
+
+#define NO_COLOR 0xFFFFFFFA
+
+// defined at HTMLFrameSetElement.h
+struct nsFramesetSpec;
+
+struct nsBorderColor 
+{
+  nscolor mLeft;
+  nscolor mRight;
+  nscolor mTop;
+  nscolor mBottom;
+
+  nsBorderColor() { Set(NO_COLOR); }
+  ~nsBorderColor() {}
+  void Set(nscolor aColor) { mLeft = mRight = mTop = mBottom = aColor; }
+};
+
+enum nsFrameborder {
+  eFrameborder_Yes = 0,
+  eFrameborder_No,
+  eFrameborder_Notset
+};
+
+struct nsFramesetDrag {
+  nsHTMLFramesetFrame* mSource;    // frameset whose border was dragged to cause the resize
+  int32_t              mIndex;     // index of left col or top row of effected area
+  int32_t              mChange;    // pos for left to right or top to bottom, neg otherwise
+  bool                 mVertical;  // vertical if true, otherwise horizontal
+
+  nsFramesetDrag();
+  void Reset(bool                 aVertical, 
+             int32_t              aIndex, 
+             int32_t              aChange, 
+             nsHTMLFramesetFrame* aSource); 
+  void UnSet();
+};
+
+/*******************************************************************************
+ * nsHTMLFramesetFrame
+ ******************************************************************************/
+class nsHTMLFramesetFrame : public nsContainerFrame
+{
+public:
+  NS_DECL_QUERYFRAME_TARGET(nsHTMLFramesetFrame)
+  NS_DECL_QUERYFRAME
+  NS_DECL_FRAMEARENA_HELPERS
+
+  nsHTMLFramesetFrame(nsStyleContext* aContext);
+
+  virtual ~nsHTMLFramesetFrame();
+
+  virtual void Init(nsIContent*      aContent,
+                    nsIFrame*        aParent,
+                    nsIFrame*        aPrevInFlow) MOZ_OVERRIDE;
+
+  virtual nsresult SetInitialChildList(ChildListID  aListID,
+                                       nsFrameList& aChildList) MOZ_OVERRIDE;
+
+  static bool    gDragInProgress;
+
+  void GetSizeOfChild(nsIFrame* aChild, nsSize& aSize);
+
+  void GetSizeOfChildAt(int32_t  aIndexInParent, 
+                        nsSize&  aSize, 
+                        nsIntPoint& aCellIndex);
+
+  virtual nsresult HandleEvent(nsPresContext* aPresContext, 
+                               mozilla::WidgetGUIEvent* aEvent,
+                               nsEventStatus* aEventStatus) MOZ_OVERRIDE;
+
+  virtual nsresult GetCursor(const nsPoint&    aPoint,
+                             nsIFrame::Cursor& aCursor) MOZ_OVERRIDE;
+
+  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
+                                const nsRect&           aDirtyRect,
+                                const nsDisplayListSet& aLists) MOZ_OVERRIDE;
+
+  virtual nsresult Reflow(nsPresContext*           aPresContext,
+                          nsHTMLReflowMetrics&     aDesiredSize,
+                          const nsHTMLReflowState& aReflowState,
+                          nsReflowStatus&          aStatus) MOZ_OVERRIDE;
+
+  virtual nsIAtom* GetType() const MOZ_OVERRIDE;
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
+#endif
+
+  virtual bool IsLeaf() const MOZ_OVERRIDE;
+  
+  void StartMouseDrag(nsPresContext* aPresContext,
+                      nsHTMLFramesetBorderFrame* aBorder,
+                      mozilla::WidgetGUIEvent* aEvent);
+
+  void MouseDrag(nsPresContext* aPresContext, 
+                 mozilla::WidgetGUIEvent* aEvent);
+
+  void EndMouseDrag(nsPresContext* aPresContext);
+
+  nsFrameborder GetParentFrameborder() { return mParentFrameborder; }
+
+  void SetParentFrameborder(nsFrameborder aValue) { mParentFrameborder = aValue; }
+
+  nsFramesetDrag& GetDrag() { return mDrag; }
+
+  void RecalculateBorderResize();
+
+protected:
+  void Scale(nscoord  aDesired, 
+             int32_t  aNumIndicies, 
+             int32_t* aIndicies, 
+             int32_t  aNumItems,
+             int32_t* aItems);
+
+  void CalculateRowCol(nsPresContext*       aPresContext, 
+                       nscoord               aSize, 
+                       int32_t               aNumSpecs, 
+                       const nsFramesetSpec* aSpecs, 
+                       nscoord*              aValues);
+
+  void GenerateRowCol(nsPresContext*       aPresContext,
+                      nscoord               aSize,
+                      int32_t               aNumSpecs,
+                      const nsFramesetSpec* aSpecs,
+                      nscoord*              aValues,
+                      nsString&             aNewAttr);
+
+  virtual void GetDesiredSize(nsPresContext*          aPresContext,
+                              const nsHTMLReflowState& aReflowState,
+                              nsHTMLReflowMetrics&     aDesiredSize);
+
+  int32_t GetBorderWidth(nsPresContext* aPresContext,
+                         bool aTakeForcingIntoAccount);
+
+  int32_t GetParentBorderWidth() { return mParentBorderWidth; }
+
+  void SetParentBorderWidth(int32_t aWidth) { mParentBorderWidth = aWidth; }
+
+  nscolor GetParentBorderColor() { return mParentBorderColor; }
+
+  void SetParentBorderColor(nscolor aColor) { mParentBorderColor = aColor; }
+
+  nsFrameborder GetFrameBorder();
+
+  nsFrameborder GetFrameBorder(nsIContent* aContent);
+
+  nscolor GetBorderColor();
+
+  nscolor GetBorderColor(nsIContent* aFrameContent);
+
+  bool GetNoResize(nsIFrame* aChildFrame); 
+  
+  void ReflowPlaceChild(nsIFrame*                aChild,
+                        nsPresContext*          aPresContext,
+                        const nsHTMLReflowState& aReflowState,
+                        nsPoint&                 aOffset,
+                        nsSize&                  aSize,
+                        nsIntPoint*              aCellIndex = 0);
+  
+  bool CanResize(bool aVertical, bool aLeft); 
+
+  bool CanChildResize(bool aVertical, bool aLeft, int32_t aChildX);
+  
+  void SetBorderResize(nsHTMLFramesetBorderFrame* aBorderFrame);
+
+  static void FrameResizePrefCallback(const char* aPref, void* aClosure);
+
+  nsFramesetDrag   mDrag;
+  nsBorderColor    mEdgeColors;
+  nsHTMLFramesetBorderFrame* mDragger;
+  nsHTMLFramesetFrame* mTopLevelFrameset;
+  nsHTMLFramesetBorderFrame** mVerBorders;  // vertical borders
+  nsHTMLFramesetBorderFrame** mHorBorders;  // horizontal borders
+  nsFrameborder*   mChildFrameborder; // the frameborder attr of children
+  nsBorderColor*   mChildBorderColors;
+  nscoord*         mRowSizes;  // currently computed row sizes
+  nscoord*         mColSizes;  // currently computed col sizes
+  nsIntPoint       mFirstDragPoint;
+  int32_t          mNumRows;
+  int32_t          mNumCols;
+  int32_t          mNonBorderChildCount; 
+  int32_t          mNonBlankChildCount; 
+  int32_t          mEdgeVisibility;
+  nsFrameborder    mParentFrameborder;
+  nscolor          mParentBorderColor;
+  int32_t          mParentBorderWidth;
+  int32_t          mPrevNeighborOrigSize; // used during resize
+  int32_t          mNextNeighborOrigSize;
+  int32_t          mMinDrag;
+  int32_t          mChildCount;
+  bool             mForceFrameResizability;
+};
+
+#endif