gecko-dev/layout/xul/nsBoxLayout.cpp

95 lines
2.0 KiB
C++

/* -*- 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/. */
//
// Eric Vaughan
// Netscape Communications
//
// See documentation in associated header file
//
#include "nsBox.h"
#include "nsCOMPtr.h"
#include "nsContainerFrame.h"
#include "nsBoxLayout.h"
void
nsBoxLayout::AddBorderAndPadding(nsIFrame* aBox, nsSize& aSize)
{
nsBox::AddBorderAndPadding(aBox, aSize);
}
void
nsBoxLayout::AddMargin(nsIFrame* aBox, nsSize& aSize)
{
nsBox::AddMargin(aBox, aSize);
}
void
nsBoxLayout::AddMargin(nsSize& aSize, const nsMargin& aMargin)
{
nsBox::AddMargin(aSize, aMargin);
}
nsSize
nsBoxLayout::GetPrefSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState)
{
nsSize pref (0, 0);
AddBorderAndPadding(aBox, pref);
return pref;
}
nsSize
nsBoxLayout::GetMinSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState)
{
nsSize minSize (0,0);
AddBorderAndPadding(aBox, minSize);
return minSize;
}
nsSize
nsBoxLayout::GetMaxSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState)
{
//AddBorderAndPadding () never changes maxSize (NS_INTRINSICSIZE)
//AddBorderAndPadding(aBox, maxSize);
return nsSize (NS_INTRINSICSIZE,NS_INTRINSICSIZE);
}
nscoord
nsBoxLayout::GetAscent(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState)
{
return 0;
}
NS_IMETHODIMP
nsBoxLayout::Layout(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState)
{
return NS_OK;
}
void
nsBoxLayout::AddLargestSize(nsSize& aSize, const nsSize& aSize2)
{
if (aSize2.width > aSize.width)
aSize.width = aSize2.width;
if (aSize2.height > aSize.height)
aSize.height = aSize2.height;
}
void
nsBoxLayout::AddSmallestSize(nsSize& aSize, const nsSize& aSize2)
{
if (aSize2.width < aSize.width)
aSize.width = aSize2.width;
if (aSize2.height < aSize.height)
aSize.height = aSize2.height;
}
NS_IMPL_ISUPPORTS(nsBoxLayout, nsBoxLayout)