/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: NPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Netscape Public License * Version 1.1 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the NPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the NPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #ifndef nsHTMLFrameset_h___ #define nsHTMLFrameset_h___ #include "nsHTMLAtoms.h" #include "nsHTMLContainerFrame.h" #include "nsColor.h" #include "nsIObserver.h" #include "nsWeakPtr.h" class nsIContent; class nsIFrame; class nsIPresContext; class nsIRenderingContext; struct nsRect; struct nsHTMLReflowState; struct nsSize; class nsIAtom; class nsIWebShell; class nsHTMLFramesetBorderFrame; struct nsGUIEvent; class nsHTMLFramesetFrame; #define NS_IFRAMESETFRAME_IID \ { 0xf47deac0, 0x4200, 0x11d2, { 0x80, 0x3c, 0x0, 0x60, 0x8, 0x15, 0xa7, 0x91 } } #define NO_COLOR 0xFFFFFFFA 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 nsFramesetUnit { eFramesetUnit_Fixed = 0, eFramesetUnit_Percent, eFramesetUnit_Relative }; enum nsFrameborder { eFrameborder_Yes = 0, eFrameborder_No, eFrameborder_Notset }; struct nsFramesetSpec { nsFramesetUnit mUnit; nscoord mValue; }; struct nsFramesetDrag { PRBool mVertical; // vertical if true, otherwise horizontal PRInt32 mIndex; // index of left col or top row of effected area PRInt32 mChange; // pos for left to right or top to bottom, neg otherwise nsHTMLFramesetFrame* mSource; // frameset whose border was dragged to cause the resize PRBool mActive; nsFramesetDrag(); nsFramesetDrag(PRBool aVertical, PRInt32 aIndex, PRInt32 aChange, nsHTMLFramesetFrame* aSource); void Reset(PRBool aVertical, PRInt32 aIndex, PRInt32 aChange, nsHTMLFramesetFrame* aSource); void UnSet(); }; /******************************************************************************* * nsHTMLFramesetFrame ******************************************************************************/ class nsHTMLFramesetFrame : public nsHTMLContainerFrame, public nsIObserver { public: nsHTMLFramesetFrame(); virtual ~nsHTMLFramesetFrame(); NS_DECL_ISUPPORTS NS_DECL_NSIOBSERVER NS_IMETHOD Init(nsIPresContext* aPresContext, nsIContent* aContent, nsIFrame* aParent, nsIStyleContext* aContext, nsIFrame* aPrevInFlow); static PRBool gDragInProgress; static PRInt32 gMaxNumRowColSpecs; void GetSizeOfChild(nsIFrame* aChild, nsSize& aSize); void GetSizeOfChildAt(PRInt32 aIndexInParent, nsSize& aSize, nsPoint& aCellIndex); static nsHTMLFramesetFrame* GetFramesetParent(nsIFrame* aChild); NS_IMETHOD HandleEvent(nsIPresContext* aPresContext, nsGUIEvent* aEvent, nsEventStatus* aEventStatus); NS_IMETHOD GetFrameForPoint(nsIPresContext* aPresContext, const nsPoint& aPoint, nsFramePaintLayer aWhichLayer, nsIFrame** aFrame); NS_IMETHOD GetCursor(nsIPresContext* aPresContext, nsPoint& aPoint, PRInt32& aCursor); NS_IMETHOD Paint(nsIPresContext* aPresContext, nsIRenderingContext& aRenderingContext, const nsRect& aDirtyRect, nsFramePaintLayer aWhichLayer, PRUint32 aFlags = 0); NS_IMETHOD Reflow(nsIPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus); NS_IMETHOD VerifyTree() const; void StartMouseDrag(nsIPresContext* aPresContext, nsHTMLFramesetBorderFrame* aBorder, nsGUIEvent* aEvent); void MouseDrag(nsIPresContext* aPresContext, nsGUIEvent* aEvent); void EndMouseDrag(nsIPresContext* aPresContext); nsFrameborder GetParentFrameborder() { return mParentFrameborder; } void SetParentFrameborder(nsFrameborder aValue) { mParentFrameborder = aValue; } nsFramesetDrag& GetDrag() { return mDrag; } void RecalculateBorderResize(); protected: void Scale(nscoord aDesired, PRInt32 aNumIndicies, PRInt32* aIndicies, PRInt32 aNumItems, PRInt32* aItems); void CalculateRowCol(nsIPresContext* aPresContext, nscoord aSize, PRInt32 aNumSpecs, nsFramesetSpec* aSpecs, nscoord* aValues); void GenerateRowCol(nsIPresContext* aPresContext, nscoord aSize, PRInt32 aNumSpecs, nsFramesetSpec* aSpecs, nscoord* aValues); virtual void GetDesiredSize(nsIPresContext* aPresContext, const nsHTMLReflowState& aReflowState, nsHTMLReflowMetrics& aDesiredSize); PRInt32 GetBorderWidth(nsIPresContext* aPresContext, PRBool aTakeForcingIntoAccount); PRInt32 GetParentBorderWidth() { return mParentBorderWidth; } void SetParentBorderWidth(PRInt32 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); PRBool GetNoResize(nsIFrame* aChildFrame); virtual PRIntn GetSkipSides() const; void ParseRowCol(nsIPresContext* aPresContext, nsIAtom* aAttrType, PRInt32& aNumSpecs, nsFramesetSpec** aSpecs); PRInt32 ParseRowColSpec(nsIPresContext* aPresContext, nsString& aSpec, PRInt32 aMaxNumValues, nsFramesetSpec* aSpecs); void ReflowPlaceChild(nsIFrame* aChild, nsIPresContext* aPresContext, const nsHTMLReflowState& aReflowState, nsPoint& aOffset, nsSize& aSize, nsPoint* aCellIndex = 0); PRBool CanResize(PRBool aVertical, PRBool aLeft); PRBool CanChildResize(PRBool aVertical, PRBool aLeft, PRInt32 aChildX, PRBool aFrameset); void SetBorderResize(PRInt32* aChildTypes, nsHTMLFramesetBorderFrame* aBorderFrame); PRBool ChildIsFrameset(nsIFrame* aChild); PRInt32 mNumRows; nsFramesetSpec* mRowSpecs; // parsed, non-computed dimensions nscoord* mRowSizes; // currently computed row sizes PRInt32 mNumCols; nsFramesetSpec* mColSpecs; // parsed, non-computed dimensions nscoord* mColSizes; // currently computed col sizes PRInt32 mNonBorderChildCount; PRInt32 mNonBlankChildCount; PRInt32 mEdgeVisibility; nsBorderColor mEdgeColors; nsFrameborder mParentFrameborder; nscolor mParentBorderColor; PRInt32 mParentBorderWidth; nsHTMLFramesetBorderFrame* mDragger; nsFramesetDrag mDrag; nsPoint mFirstDragPoint; PRInt32 mPrevNeighborOrigSize; // used during resize PRInt32 mNextNeighborOrigSize; PRInt32 mMinDrag; PRInt32 mChildCount; nsHTMLFramesetFrame* mTopLevelFrameset; nsHTMLFramesetBorderFrame** mVerBorders; // vertical borders nsHTMLFramesetBorderFrame** mHorBorders; // horizontal borders PRInt32* mChildTypes; // frameset/frame distinction of children nsFrameborder* mChildFrameborder; // the frameborder attr of children nsBorderColor* mChildBorderColors; PRBool mForceFrameResizability; nsWeakPtr mPrefBranchWeakRef; }; #endif