/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* 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/. */

//

// Eric Vaughan

// Netscape Communications

//

// See documentation in associated header file

//

#include "nsGridCell.h"

#include "nsFrame.h"

#include "nsBox.h"

#include "nsGridLayout2.h"

nsGridCell::nsGridCell():mBoxInColumn(nullptr),mBoxInRow(nullptr)

{

    MOZ_COUNT_CTOR(nsGridCell);

}

nsGridCell::~nsGridCell()

{

    MOZ_COUNT_DTOR(nsGridCell);

}

nsSize

nsGridCell::GetXULPrefSize(nsBoxLayoutState& aState)

{

  nsSize sum(0,0);

  // take our 2 children and add them up.

  // we are as wide as the widest child plus its left offset

  // we are tall as the tallest child plus its top offset

  if (mBoxInColumn) {

    nsSize pref = mBoxInColumn->GetXULPrefSize(aState);

    nsBox::AddMargin(mBoxInColumn, pref);

    nsGridLayout2::AddOffset(mBoxInColumn, pref);

    nsBoxLayout::AddLargestSize(sum, pref);

  }

  if (mBoxInRow) {

    nsSize pref = mBoxInRow->GetXULPrefSize(aState);

    nsBox::AddMargin(mBoxInRow, pref);

    nsGridLayout2::AddOffset(mBoxInRow, pref);

    nsBoxLayout::AddLargestSize(sum, pref);

  }

  return sum;

}

nsSize

nsGridCell::GetXULMinSize(nsBoxLayoutState& aState)

{

  nsSize sum(0, 0);

  // take our 2 children and add them up.

  // we are as wide as the widest child plus its left offset

  // we are tall as the tallest child plus its top offset

  if (mBoxInColumn) {

    nsSize min = mBoxInColumn->GetXULMinSize(aState);

    nsBox::AddMargin(mBoxInColumn, min);

    nsGridLayout2::AddOffset(mBoxInColumn, min);

    nsBoxLayout::AddLargestSize(sum, min);

  }

  if (mBoxInRow) {

    nsSize min = mBoxInRow->GetXULMinSize(aState);

    nsBox::AddMargin(mBoxInRow, min);

    nsGridLayout2::AddOffset(mBoxInRow, min);

    nsBoxLayout::AddLargestSize(sum, min);

  }

  return sum;

}

nsSize

nsGridCell::GetXULMaxSize(nsBoxLayoutState& aState)

{

  nsSize sum(NS_INTRINSICSIZE, NS_INTRINSICSIZE);

  // take our 2 children and add them up.

  // we are as wide as the smallest child plus its left offset

  // we are tall as the shortest child plus its top offset

  if (mBoxInColumn) {

    nsSize max = mBoxInColumn->GetXULMaxSize(aState);

    nsBox::AddMargin(mBoxInColumn, max);

    nsGridLayout2::AddOffset(mBoxInColumn, max);

    nsBoxLayout::AddSmallestSize(sum, max);

  }

  if (mBoxInRow) {

    nsSize max = mBoxInRow->GetXULMaxSize(aState);

    nsBox::AddMargin(mBoxInRow, max);

    nsGridLayout2::AddOffset(mBoxInRow, max);

    nsBoxLayout::AddSmallestSize(sum, max);

  }

  return sum;

}

bool

nsGridCell::IsXULCollapsed()

{

  return ((mBoxInColumn && mBoxInColumn->IsXULCollapsed()) ||

          (mBoxInRow && mBoxInRow->IsXULCollapsed()));

}