gecko-dev/layout/xul/grid/nsGridRowLeafLayout.h

63 строки
2.2 KiB
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
Author:
Eric D Vaughan
**/
#ifndef nsGridRowLeafLayout_h___
#define nsGridRowLeafLayout_h___
#include "mozilla/Attributes.h"
#include "nsGridRowLayout.h"
#include "nsCOMPtr.h"
/**
* The nsBoxLayout implementation for nsGridRowLeafFrame.
*/
// XXXldb This needs a better name that indicates that it's for any grid
// row.
class nsGridRowLeafLayout : public nsGridRowLayout
{
public:
friend already_AddRefed<nsBoxLayout> NS_NewGridRowLeafLayout();
virtual nsSize GetPrefSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
virtual nsSize GetMinSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
virtual nsSize GetMaxSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
virtual void ChildAddedOrRemoved(nsIFrame* aBox, nsBoxLayoutState& aState) MOZ_OVERRIDE;
NS_IMETHOD Layout(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
virtual void CountRowsColumns(nsIFrame* aBox, int32_t& aRowCount, int32_t& aComputedColumnCount) MOZ_OVERRIDE;
virtual void DirtyRows(nsIFrame* aBox, nsBoxLayoutState& aState) MOZ_OVERRIDE;
virtual int32_t BuildRows(nsIFrame* aBox, nsGridRow* aRows) MOZ_OVERRIDE;
virtual Type GetType() MOZ_OVERRIDE { return eRowLeaf; }
protected:
virtual void PopulateBoxSizes(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState,
nsBoxSize*& aBoxSizes, nscoord& aMinSize,
nscoord& aMaxSize, int32_t& aFlexes) MOZ_OVERRIDE;
virtual void ComputeChildSizes(nsIFrame* aBox,
nsBoxLayoutState& aState,
nscoord& aGivenSize,
nsBoxSize* aBoxSizes,
nsComputedBoxSize*& aComputedBoxSizes) MOZ_OVERRIDE;
nsGridRowLeafLayout();
virtual ~nsGridRowLeafLayout();
//virtual void AddBorderAndPadding(nsIFrame* aBox, nsSize& aSize);
private:
}; // class nsGridRowLeafLayout
#endif