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: #ifndef nsBoxLayout_h___
michael@0: #define nsBoxLayout_h___
michael@0: 
michael@0: #include "nsISupports.h"
michael@0: #include "nsCoord.h"
michael@0: #include "nsFrameList.h"
michael@0: 
michael@0: class nsIFrame;
michael@0: class nsBoxLayoutState;
michael@0: struct nsSize;
michael@0: struct nsMargin;
michael@0: 
michael@0: #define NS_BOX_LAYOUT_IID \
michael@0: { 0x09d522a7, 0x304c, 0x4137, \
michael@0:  { 0xaf, 0xc9, 0xe0, 0x80, 0x2e, 0x89, 0xb7, 0xe8 } }
michael@0: 
michael@0: class nsIGridPart;
michael@0: 
michael@0: class nsBoxLayout : public nsISupports {
michael@0: 
michael@0: public:
michael@0: 
michael@0:   nsBoxLayout() {}
michael@0:   virtual ~nsBoxLayout() {}
michael@0: 
michael@0:   NS_DECL_ISUPPORTS
michael@0: 
michael@0:   NS_DECLARE_STATIC_IID_ACCESSOR(NS_BOX_LAYOUT_IID)
michael@0: 
michael@0:   NS_IMETHOD Layout(nsIFrame* aBox, nsBoxLayoutState& aState);
michael@0: 
michael@0:   virtual nsSize GetPrefSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState);
michael@0:   virtual nsSize GetMinSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState);
michael@0:   virtual nsSize GetMaxSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState);
michael@0:   virtual nscoord GetAscent(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState);
michael@0:   virtual void ChildrenInserted(nsIFrame* aBox, nsBoxLayoutState& aState,
michael@0:                                 nsIFrame* aPrevBox,
michael@0:                                 const nsFrameList::Slice& aNewChildren) {}
michael@0:   virtual void ChildrenAppended(nsIFrame* aBox, nsBoxLayoutState& aState,
michael@0:                                 const nsFrameList::Slice& aNewChildren) {}
michael@0:   virtual void ChildrenRemoved(nsIFrame* aBox, nsBoxLayoutState& aState, nsIFrame* aChildList) {}
michael@0:   virtual void ChildrenSet(nsIFrame* aBox, nsBoxLayoutState& aState, nsIFrame* aChildList) {}
michael@0:   virtual void IntrinsicWidthsDirty(nsIFrame* aBox, nsBoxLayoutState& aState) {}
michael@0: 
michael@0:   virtual void AddBorderAndPadding(nsIFrame* aBox, nsSize& aSize);
michael@0:   virtual void AddMargin(nsIFrame* aChild, nsSize& aSize);
michael@0:   virtual void AddMargin(nsSize& aSize, const nsMargin& aMargin);
michael@0: 
michael@0:   virtual nsIGridPart* AsGridPart() { return nullptr; }
michael@0: 
michael@0:   static void AddLargestSize(nsSize& aSize, const nsSize& aToAdd);
michael@0:   static void AddSmallestSize(nsSize& aSize, const nsSize& aToAdd);
michael@0: };
michael@0: 
michael@0: NS_DEFINE_STATIC_IID_ACCESSOR(nsBoxLayout, NS_BOX_LAYOUT_IID)
michael@0: 
michael@0: #endif
michael@0: