layout/xul/grid/nsGridLayout2.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/layout/xul/grid/nsGridLayout2.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,79 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +#ifndef nsGridLayout2_h___
    1.11 +#define nsGridLayout2_h___
    1.12 +
    1.13 +#include "mozilla/Attributes.h"
    1.14 +#include "nsStackLayout.h"
    1.15 +#include "nsIGridPart.h"
    1.16 +#include "nsCoord.h"
    1.17 +#include "nsGrid.h"
    1.18 +
    1.19 +class nsIPresContext;
    1.20 +class nsGridRowGroupLayout;
    1.21 +class nsGridRowLayout;
    1.22 +class nsGridRow;
    1.23 +class nsBoxLayoutState;
    1.24 +class nsGridCell;
    1.25 +
    1.26 +/**
    1.27 + * The nsBoxLayout implementation for a grid.
    1.28 + */
    1.29 +class nsGridLayout2 : public nsStackLayout, 
    1.30 +                      public nsIGridPart
    1.31 +{
    1.32 +public:
    1.33 +
    1.34 +  friend nsresult NS_NewGridLayout2(nsIPresShell* aPresShell, nsBoxLayout** aNewLayout);
    1.35 +
    1.36 +  NS_DECL_ISUPPORTS_INHERITED
    1.37 +
    1.38 +  NS_IMETHOD Layout(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
    1.39 +  virtual void IntrinsicWidthsDirty(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
    1.40 +
    1.41 +  virtual nsGridRowGroupLayout* CastToRowGroupLayout() MOZ_OVERRIDE { return nullptr; }
    1.42 +  virtual nsGridLayout2* CastToGridLayout() MOZ_OVERRIDE { return this; }
    1.43 +  virtual nsGrid* GetGrid(nsIFrame* aBox, int32_t* aIndex, nsGridRowLayout* aRequestor=nullptr) MOZ_OVERRIDE;
    1.44 +  virtual nsIGridPart* GetParentGridPart(nsIFrame* aBox, nsIFrame** aParentBox) MOZ_OVERRIDE {
    1.45 +    NS_NOTREACHED("Should not be called"); return nullptr;
    1.46 +  }
    1.47 +  virtual nsSize GetMinSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
    1.48 +  virtual nsSize GetMaxSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
    1.49 +  virtual nsSize GetPrefSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
    1.50 +  virtual void CountRowsColumns(nsIFrame* aBox, int32_t& aRowCount, int32_t& aComputedColumnCount) MOZ_OVERRIDE { aRowCount++; }
    1.51 +  virtual void DirtyRows(nsIFrame* aBox, nsBoxLayoutState& aState) MOZ_OVERRIDE { }
    1.52 +  virtual int32_t BuildRows(nsIFrame* aBox, nsGridRow* aRows) MOZ_OVERRIDE;
    1.53 +  virtual nsMargin GetTotalMargin(nsIFrame* aBox, bool aIsHorizontal) MOZ_OVERRIDE;
    1.54 +  virtual Type GetType() MOZ_OVERRIDE { return eGrid; }
    1.55 +  virtual void ChildrenInserted(nsIFrame* aBox, nsBoxLayoutState& aState,
    1.56 +                                nsIFrame* aPrevBox,
    1.57 +                                const nsFrameList::Slice& aNewChildren) MOZ_OVERRIDE;
    1.58 +  virtual void ChildrenAppended(nsIFrame* aBox, nsBoxLayoutState& aState,
    1.59 +                                const nsFrameList::Slice& aNewChildren) MOZ_OVERRIDE;
    1.60 +  virtual void ChildrenRemoved(nsIFrame* aBox, nsBoxLayoutState& aState,
    1.61 +                               nsIFrame* aChildList) MOZ_OVERRIDE;
    1.62 +  virtual void ChildrenSet(nsIFrame* aBox, nsBoxLayoutState& aState,
    1.63 +                           nsIFrame* aChildList) MOZ_OVERRIDE;
    1.64 +
    1.65 +  virtual nsIGridPart* AsGridPart() MOZ_OVERRIDE { return this; }
    1.66 +
    1.67 +  static void AddOffset(nsBoxLayoutState& aState, nsIFrame* aChild, nsSize& aSize);
    1.68 +
    1.69 +protected:
    1.70 +
    1.71 +  nsGridLayout2(nsIPresShell* aShell);
    1.72 +  nsGrid mGrid;
    1.73 +
    1.74 +private:
    1.75 +  void AddWidth(nsSize& aSize, nscoord aSize2, bool aIsHorizontal);
    1.76 +
    1.77 +
    1.78 +}; // class nsGridLayout2
    1.79 +
    1.80 +
    1.81 +#endif
    1.82 +

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