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