/* -*- 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 "mozilla/UniquePtr.h" #include "nsContainerFrame.h" #include "nsColor.h" class nsIContent; class nsPresContext; struct nsRect; 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 explicit nsHTMLFramesetFrame(nsStyleContext* aContext); virtual ~nsHTMLFramesetFrame(); virtual void Init(nsIContent* aContent, nsContainerFrame* aParent, nsIFrame* aPrevInFlow) override; virtual void SetInitialChildList(ChildListID aListID, nsFrameList& aChildList) override; static bool gDragInProgress; void GetSizeOfChild(nsIFrame* aChild, mozilla::WritingMode aWM, mozilla::LogicalSize& aSize); void GetSizeOfChildAt(int32_t aIndexInParent, mozilla::WritingMode aWM, mozilla::LogicalSize& aSize, nsIntPoint& aCellIndex); virtual nsresult HandleEvent(nsPresContext* aPresContext, mozilla::WidgetGUIEvent* aEvent, nsEventStatus* aEventStatus) override; virtual nsresult GetCursor(const nsPoint& aPoint, nsIFrame::Cursor& aCursor) override; virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, const nsRect& aDirtyRect, const nsDisplayListSet& aLists) override; virtual void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize, const ReflowInput& aReflowInput, nsReflowStatus& aStatus) override; virtual nsIAtom* GetType() const override; #ifdef DEBUG_FRAME_DUMP virtual nsresult GetFrameName(nsAString& aResult) const override; #endif virtual bool IsLeaf() const 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 ReflowInput& aReflowInput, ReflowOutput& 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 ReflowInput& aReflowInput, 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); template<typename T, class D = mozilla::DefaultDelete<T>> using UniquePtr = mozilla::UniquePtr<T, D>; nsFramesetDrag mDrag; nsBorderColor mEdgeColors; nsHTMLFramesetBorderFrame* mDragger; nsHTMLFramesetFrame* mTopLevelFrameset; UniquePtr<nsHTMLFramesetBorderFrame*[]> mVerBorders; // vertical borders UniquePtr<nsHTMLFramesetBorderFrame*[]> mHorBorders; // horizontal borders UniquePtr<nsFrameborder[]> mChildFrameborder; // the frameborder attr of children UniquePtr<nsBorderColor[]> mChildBorderColors; UniquePtr<nscoord[]> mRowSizes; // currently computed row sizes UniquePtr<nscoord[]> mColSizes; // currently computed col sizes mozilla::LayoutDeviceIntPoint 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; }; #endif