michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: 
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: #ifndef nsGridLayout2_h___
michael@0: #define nsGridLayout2_h___
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "nsStackLayout.h"
michael@0: #include "nsIGridPart.h"
michael@0: #include "nsCoord.h"
michael@0: #include "nsGrid.h"
michael@0: 
michael@0: class nsIPresContext;
michael@0: class nsGridRowGroupLayout;
michael@0: class nsGridRowLayout;
michael@0: class nsGridRow;
michael@0: class nsBoxLayoutState;
michael@0: class nsGridCell;
michael@0: 
michael@0: /**
michael@0:  * The nsBoxLayout implementation for a grid.
michael@0:  */
michael@0: class nsGridLayout2 : public nsStackLayout, 
michael@0:                       public nsIGridPart
michael@0: {
michael@0: public:
michael@0: 
michael@0:   friend nsresult NS_NewGridLayout2(nsIPresShell* aPresShell, nsBoxLayout** aNewLayout);
michael@0: 
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0: 
michael@0:   NS_IMETHOD Layout(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
michael@0:   virtual void IntrinsicWidthsDirty(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual nsGridRowGroupLayout* CastToRowGroupLayout() MOZ_OVERRIDE { return nullptr; }
michael@0:   virtual nsGridLayout2* CastToGridLayout() MOZ_OVERRIDE { return this; }
michael@0:   virtual nsGrid* GetGrid(nsIFrame* aBox, int32_t* aIndex, nsGridRowLayout* aRequestor=nullptr) MOZ_OVERRIDE;
michael@0:   virtual nsIGridPart* GetParentGridPart(nsIFrame* aBox, nsIFrame** aParentBox) MOZ_OVERRIDE {
michael@0:     NS_NOTREACHED("Should not be called"); return nullptr;
michael@0:   }
michael@0:   virtual nsSize GetMinSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
michael@0:   virtual nsSize GetMaxSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
michael@0:   virtual nsSize GetPrefSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
michael@0:   virtual void CountRowsColumns(nsIFrame* aBox, int32_t& aRowCount, int32_t& aComputedColumnCount) MOZ_OVERRIDE { aRowCount++; }
michael@0:   virtual void DirtyRows(nsIFrame* aBox, nsBoxLayoutState& aState) MOZ_OVERRIDE { }
michael@0:   virtual int32_t BuildRows(nsIFrame* aBox, nsGridRow* aRows) MOZ_OVERRIDE;
michael@0:   virtual nsMargin GetTotalMargin(nsIFrame* aBox, bool aIsHorizontal) MOZ_OVERRIDE;
michael@0:   virtual Type GetType() MOZ_OVERRIDE { return eGrid; }
michael@0:   virtual void ChildrenInserted(nsIFrame* aBox, nsBoxLayoutState& aState,
michael@0:                                 nsIFrame* aPrevBox,
michael@0:                                 const nsFrameList::Slice& aNewChildren) MOZ_OVERRIDE;
michael@0:   virtual void ChildrenAppended(nsIFrame* aBox, nsBoxLayoutState& aState,
michael@0:                                 const nsFrameList::Slice& aNewChildren) MOZ_OVERRIDE;
michael@0:   virtual void ChildrenRemoved(nsIFrame* aBox, nsBoxLayoutState& aState,
michael@0:                                nsIFrame* aChildList) MOZ_OVERRIDE;
michael@0:   virtual void ChildrenSet(nsIFrame* aBox, nsBoxLayoutState& aState,
michael@0:                            nsIFrame* aChildList) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual nsIGridPart* AsGridPart() MOZ_OVERRIDE { return this; }
michael@0: 
michael@0:   static void AddOffset(nsBoxLayoutState& aState, nsIFrame* aChild, nsSize& aSize);
michael@0: 
michael@0: protected:
michael@0: 
michael@0:   nsGridLayout2(nsIPresShell* aShell);
michael@0:   nsGrid mGrid;
michael@0: 
michael@0: private:
michael@0:   void AddWidth(nsSize& aSize, nscoord aSize2, bool aIsHorizontal);
michael@0: 
michael@0: 
michael@0: }; // class nsGridLayout2
michael@0: 
michael@0: 
michael@0: #endif
michael@0: