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

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1.7 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 nsGridRowGroupLayout_h___
#define nsGridRowGroupLayout_h___
#include "mozilla/Attributes.h"
#include "nsGridRowLayout.h"
/**
* The nsBoxLayout implementation for nsGridRowGroupFrame.
*/
class nsGridRowGroupLayout : public nsGridRowLayout
{
public:
friend already_AddRefed<nsBoxLayout> NS_NewGridRowGroupLayout();
virtual nsGridRowGroupLayout* CastToRowGroupLayout() override { return this; }
virtual nsSize GetXULMinSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) override;
virtual nsSize GetXULPrefSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) override;
virtual nsSize GetXULMaxSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) override;
virtual void CountRowsColumns(nsIFrame* aBox, int32_t& aRowCount, int32_t& aComputedColumnCount) override;
virtual void DirtyRows(nsIFrame* aBox, nsBoxLayoutState& aState) override;
virtual int32_t BuildRows(nsIFrame* aBox, nsGridRow* aRows) override;
virtual nsMargin GetTotalMargin(nsIFrame* aBox, bool aIsHorizontal) override;
virtual int32_t GetRowCount() override { return mRowCount; }
virtual Type GetType() override { return eRowGroup; }
protected:
nsGridRowGroupLayout();
virtual ~nsGridRowGroupLayout();
virtual void ChildAddedOrRemoved(nsIFrame* aBox, nsBoxLayoutState& aState) override;
static void AddWidth(nsSize& aSize, nscoord aSize2, bool aIsHorizontal);
private:
int32_t mRowCount;
};
#endif