зеркало из https://github.com/mozilla/gecko-dev.git
73 строки
2.1 KiB
C++
73 строки
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsListItemFrame.h"
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#include <algorithm>
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#include "nsCOMPtr.h"
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#include "nsNameSpaceManager.h"
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#include "nsGkAtoms.h"
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#include "nsDisplayList.h"
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#include "nsBoxLayout.h"
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#include "nsIContent.h"
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using namespace mozilla;
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nsListItemFrame::nsListItemFrame(ComputedStyle* aStyle,
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bool aIsRoot,
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nsBoxLayout* aLayoutManager)
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: nsGridRowLeafFrame(aStyle, aIsRoot, aLayoutManager, kClassID)
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{
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}
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nsListItemFrame::~nsListItemFrame()
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{
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}
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nsSize
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nsListItemFrame::GetXULPrefSize(nsBoxLayoutState& aState)
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{
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nsSize size = nsBoxFrame::GetXULPrefSize(aState);
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DISPLAY_PREF_SIZE(this, size);
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// guarantee that our preferred height doesn't exceed the standard
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// listbox row height
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size.height = std::max(mRect.height, size.height);
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return size;
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}
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void
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nsListItemFrame::BuildDisplayListForChildren(nsDisplayListBuilder* aBuilder,
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const nsDisplayListSet& aLists)
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{
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if (aBuilder->IsForEventDelivery()) {
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if (!mContent->AsElement()->AttrValueIs(kNameSpaceID_None,
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nsGkAtoms::allowevents,
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nsGkAtoms::_true, eCaseMatters))
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return;
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}
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nsGridRowLeafFrame::BuildDisplayListForChildren(aBuilder, aLists);
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}
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// Creation Routine ///////////////////////////////////////////////////////////////////////
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already_AddRefed<nsBoxLayout> NS_NewGridRowLeafLayout();
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nsIFrame*
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NS_NewListItemFrame(nsIPresShell* aPresShell, ComputedStyle* aStyle)
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{
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nsCOMPtr<nsBoxLayout> layout = NS_NewGridRowLeafLayout();
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if (!layout) {
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return nullptr;
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}
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return new (aPresShell) nsListItemFrame(aStyle, false, layout);
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}
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NS_IMPL_FRAMEARENA_HELPERS(nsListItemFrame)
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