michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: //
michael@0: // Eric Vaughan
michael@0: // Netscape Communications
michael@0: //
michael@0: // See documentation in associated header file
michael@0: //
michael@0: 
michael@0: #include "nsBox.h"
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsContainerFrame.h"
michael@0: #include "nsBoxLayout.h"
michael@0: 
michael@0: void
michael@0: nsBoxLayout::AddBorderAndPadding(nsIFrame* aBox, nsSize& aSize)
michael@0: {
michael@0:   nsBox::AddBorderAndPadding(aBox, aSize);
michael@0: }
michael@0: 
michael@0: void
michael@0: nsBoxLayout::AddMargin(nsIFrame* aBox, nsSize& aSize)
michael@0: {
michael@0:   nsBox::AddMargin(aBox, aSize);
michael@0: }
michael@0: 
michael@0: void
michael@0: nsBoxLayout::AddMargin(nsSize& aSize, const nsMargin& aMargin)
michael@0: {
michael@0:   nsBox::AddMargin(aSize, aMargin);
michael@0: }
michael@0: 
michael@0: nsSize
michael@0: nsBoxLayout::GetPrefSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState)
michael@0: {
michael@0:   nsSize pref (0, 0);
michael@0:   AddBorderAndPadding(aBox, pref);
michael@0: 
michael@0:   return pref;
michael@0: }
michael@0: 
michael@0: nsSize
michael@0: nsBoxLayout::GetMinSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState)
michael@0: {
michael@0:   nsSize minSize (0,0);
michael@0:   AddBorderAndPadding(aBox, minSize);
michael@0:   return minSize;
michael@0: }
michael@0: 
michael@0: nsSize
michael@0: nsBoxLayout::GetMaxSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState)
michael@0: {
michael@0:   //AddBorderAndPadding () never changes maxSize (NS_INTRINSICSIZE)
michael@0:   //AddBorderAndPadding(aBox, maxSize);
michael@0:   return nsSize (NS_INTRINSICSIZE,NS_INTRINSICSIZE);
michael@0: }
michael@0: 
michael@0: 
michael@0: nscoord
michael@0: nsBoxLayout::GetAscent(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState)
michael@0: {
michael@0:   return 0;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsBoxLayout::Layout(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState)
michael@0: {
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: void
michael@0: nsBoxLayout::AddLargestSize(nsSize& aSize, const nsSize& aSize2)
michael@0: {
michael@0:   if (aSize2.width > aSize.width)
michael@0:      aSize.width = aSize2.width;
michael@0: 
michael@0:   if (aSize2.height > aSize.height)
michael@0:      aSize.height = aSize2.height;
michael@0: }
michael@0: 
michael@0: void
michael@0: nsBoxLayout::AddSmallestSize(nsSize& aSize, const nsSize& aSize2)
michael@0: {
michael@0:   if (aSize2.width < aSize.width)
michael@0:      aSize.width = aSize2.width;
michael@0: 
michael@0:   if (aSize2.height < aSize.height)
michael@0:      aSize.height = aSize2.height;
michael@0: }
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(nsBoxLayout, nsBoxLayout)