The Tor Browser: layout/xul/grid/nsGridRowLayout.h@925c144e1f1f

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 /**

     8   Author:

     9   Eric D Vaughan

    11 **/

    13 #ifndef nsGridRowLayout_h___

    14 #define nsGridRowLayout_h___

    16 #include "mozilla/Attributes.h"

    17 #include "nsSprocketLayout.h"

    18 #include "nsIGridPart.h"

    19 class nsGridRowGroupLayout;

    20 class nsGridLayout2;

    21 class nsBoxLayoutState;

    22 class nsGrid;

    24 /**

    25  * A common base class for nsGridRowLeafLayout (the nsBoxLayout object

    26  * for a grid row or column) and nsGridRowGroupLayout (the nsBoxLayout

    27  * object for a grid row group or column group).

    28  */

    29 // XXXldb This needs a name that indicates that it's a base class for

    30 // both row and rows (row-group).

    31 class nsGridRowLayout : public nsSprocketLayout,

    32                         public nsIGridPart

    33 {

    34 public:

    35   NS_DECL_ISUPPORTS_INHERITED

    37   virtual nsGridRowGroupLayout* CastToRowGroupLayout() MOZ_OVERRIDE { return nullptr; }

    38   virtual nsGridLayout2* CastToGridLayout() MOZ_OVERRIDE { return nullptr; }

    39   virtual nsGrid* GetGrid(nsIFrame* aBox, int32_t* aIndex, nsGridRowLayout* aRequestor=nullptr) MOZ_OVERRIDE;

    40   virtual nsIGridPart* GetParentGridPart(nsIFrame* aBox, nsIFrame** aParentBox) MOZ_OVERRIDE;

    41   virtual void ChildrenInserted(nsIFrame* aBox, nsBoxLayoutState& aState,

    42                                 nsIFrame* aPrevBox,

    43                                 const nsFrameList::Slice& aNewChildren) MOZ_OVERRIDE;

    44   virtual void ChildrenAppended(nsIFrame* aBox, nsBoxLayoutState& aState,

    45                                 const nsFrameList::Slice& aNewChildren) MOZ_OVERRIDE;

    46   virtual void ChildrenRemoved(nsIFrame* aBox, nsBoxLayoutState& aState, nsIFrame* aChildList) MOZ_OVERRIDE;

    47   virtual void ChildrenSet(nsIFrame* aBox, nsBoxLayoutState& aState, nsIFrame* aChildList) MOZ_OVERRIDE;

    48   virtual nsMargin GetTotalMargin(nsIFrame* aBox, bool aIsHorizontal) MOZ_OVERRIDE;

    50   virtual nsIGridPart* AsGridPart() MOZ_OVERRIDE { return this; }

    52 protected:

    53   virtual void ChildAddedOrRemoved(nsIFrame* aBox, nsBoxLayoutState& aState)=0;

    55   nsGridRowLayout();

    56 };

    58 #endif

The Tor Browser / file revision