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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/. */
#include "nsListItemFrame.h"
#include <algorithm>
#include "nsCOMPtr.h"
#include "nsNameSpaceManager.h"
#include "nsGkAtoms.h"
#include "nsDisplayList.h"
#include "nsBoxLayout.h"
#include "nsIContent.h"
nsListItemFrame::nsListItemFrame(nsStyleContext* aContext,
bool aIsRoot,
nsBoxLayout* aLayoutManager)
: nsGridRowLeafFrame(aContext, aIsRoot, aLayoutManager)
{
}
nsListItemFrame::~nsListItemFrame()
{
}
nsSize
nsListItemFrame::GetXULPrefSize(nsBoxLayoutState& aState)
{
nsSize size = nsBoxFrame::GetXULPrefSize(aState);
DISPLAY_PREF_SIZE(this, size);
// guarantee that our preferred height doesn't exceed the standard
// listbox row height
size.height = std::max(mRect.height, size.height);
return size;
}
void
nsListItemFrame::BuildDisplayListForChildren(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
if (aBuilder->IsForEventDelivery()) {
if (!mContent->AttrValueIs(kNameSpaceID_None, nsGkAtoms::allowevents,
nsGkAtoms::_true, eCaseMatters))
return;
}
nsGridRowLeafFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
}
// Creation Routine ///////////////////////////////////////////////////////////////////////
already_AddRefed<nsBoxLayout> NS_NewGridRowLeafLayout();
nsIFrame*
NS_NewListItemFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
{
nsCOMPtr<nsBoxLayout> layout = NS_NewGridRowLeafLayout();
if (!layout) {
return nullptr;
}
return new (aPresShell) nsListItemFrame(aContext, false, layout);
}
NS_IMPL_FRAMEARENA_HELPERS(nsListItemFrame)
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