/* -*- 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/. */
#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, kClassID) {}
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 nsDisplayListSet& aLists) {
if (aBuilder->IsForEventDelivery()) {
if (!mContent->AsElement()->AttrValueIs(kNameSpaceID_None,
nsGkAtoms::allowevents,
nsGkAtoms::_true, eCaseMatters))
return;
}
nsGridRowLeafFrame::BuildDisplayListForChildren(aBuilder, 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)