layout/xul/grid/nsGridRowLayout.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/layout/xul/grid/nsGridRowLayout.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,59 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +/**
    1.10 + 
    1.11 +  Author:
    1.12 +  Eric D Vaughan
    1.13 +
    1.14 +**/
    1.15 +
    1.16 +#ifndef nsGridRowLayout_h___
    1.17 +#define nsGridRowLayout_h___
    1.18 +
    1.19 +#include "mozilla/Attributes.h"
    1.20 +#include "nsSprocketLayout.h"
    1.21 +#include "nsIGridPart.h"
    1.22 +class nsGridRowGroupLayout;
    1.23 +class nsGridLayout2;
    1.24 +class nsBoxLayoutState;
    1.25 +class nsGrid;
    1.26 +
    1.27 +/**
    1.28 + * A common base class for nsGridRowLeafLayout (the nsBoxLayout object
    1.29 + * for a grid row or column) and nsGridRowGroupLayout (the nsBoxLayout
    1.30 + * object for a grid row group or column group).
    1.31 + */
    1.32 +// XXXldb This needs a name that indicates that it's a base class for
    1.33 +// both row and rows (row-group).
    1.34 +class nsGridRowLayout : public nsSprocketLayout,
    1.35 +                        public nsIGridPart
    1.36 +{
    1.37 +public:
    1.38 +  NS_DECL_ISUPPORTS_INHERITED
    1.39 +
    1.40 +  virtual nsGridRowGroupLayout* CastToRowGroupLayout() MOZ_OVERRIDE { return nullptr; }
    1.41 +  virtual nsGridLayout2* CastToGridLayout() MOZ_OVERRIDE { return nullptr; }
    1.42 +  virtual nsGrid* GetGrid(nsIFrame* aBox, int32_t* aIndex, nsGridRowLayout* aRequestor=nullptr) MOZ_OVERRIDE;
    1.43 +  virtual nsIGridPart* GetParentGridPart(nsIFrame* aBox, nsIFrame** aParentBox) MOZ_OVERRIDE;
    1.44 +  virtual void ChildrenInserted(nsIFrame* aBox, nsBoxLayoutState& aState,
    1.45 +                                nsIFrame* aPrevBox,
    1.46 +                                const nsFrameList::Slice& aNewChildren) MOZ_OVERRIDE;
    1.47 +  virtual void ChildrenAppended(nsIFrame* aBox, nsBoxLayoutState& aState,
    1.48 +                                const nsFrameList::Slice& aNewChildren) MOZ_OVERRIDE;
    1.49 +  virtual void ChildrenRemoved(nsIFrame* aBox, nsBoxLayoutState& aState, nsIFrame* aChildList) MOZ_OVERRIDE;
    1.50 +  virtual void ChildrenSet(nsIFrame* aBox, nsBoxLayoutState& aState, nsIFrame* aChildList) MOZ_OVERRIDE;
    1.51 +  virtual nsMargin GetTotalMargin(nsIFrame* aBox, bool aIsHorizontal) MOZ_OVERRIDE;
    1.52 +
    1.53 +  virtual nsIGridPart* AsGridPart() MOZ_OVERRIDE { return this; }
    1.54 +
    1.55 +protected:
    1.56 +  virtual void ChildAddedOrRemoved(nsIFrame* aBox, nsBoxLayoutState& aState)=0;
    1.57 +
    1.58 +  nsGridRowLayout();
    1.59 +};
    1.60 +
    1.61 +#endif
    1.62 +

mercurial