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: #include "nsListItemFrame.h"
michael@0: 
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsNameSpaceManager.h"
michael@0: #include "nsGkAtoms.h"
michael@0: #include "nsDisplayList.h"
michael@0: #include "nsBoxLayout.h"
michael@0: #include <algorithm>
michael@0: 
michael@0: nsListItemFrame::nsListItemFrame(nsIPresShell* aPresShell,
michael@0:                                  nsStyleContext* aContext,
michael@0:                                  bool aIsRoot,
michael@0:                                  nsBoxLayout* aLayoutManager)
michael@0:   : nsGridRowLeafFrame(aPresShell, aContext, aIsRoot, aLayoutManager) 
michael@0: {
michael@0: }
michael@0: 
michael@0: nsListItemFrame::~nsListItemFrame()
michael@0: {
michael@0: }
michael@0: 
michael@0: nsSize
michael@0: nsListItemFrame::GetPrefSize(nsBoxLayoutState& aState)
michael@0: {
michael@0:   nsSize size = nsBoxFrame::GetPrefSize(aState);  
michael@0:   DISPLAY_PREF_SIZE(this, size);
michael@0: 
michael@0:   // guarantee that our preferred height doesn't exceed the standard
michael@0:   // listbox row height
michael@0:   size.height = std::max(mRect.height, size.height);
michael@0:   return size;
michael@0: }
michael@0: 
michael@0: void
michael@0: nsListItemFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
michael@0:                                              const nsRect&           aDirtyRect,
michael@0:                                              const nsDisplayListSet& aLists)
michael@0: {
michael@0:   if (aBuilder->IsForEventDelivery()) {
michael@0:     if (!mContent->AttrValueIs(kNameSpaceID_None, nsGkAtoms::allowevents,
michael@0:                                nsGkAtoms::_true, eCaseMatters))
michael@0:       return;
michael@0:   }
michael@0:   
michael@0:   nsGridRowLeafFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
michael@0: }
michael@0: 
michael@0: // Creation Routine ///////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: already_AddRefed<nsBoxLayout> NS_NewGridRowLeafLayout();
michael@0: 
michael@0: nsIFrame*
michael@0: NS_NewListItemFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
michael@0: {
michael@0:   nsCOMPtr<nsBoxLayout> layout = NS_NewGridRowLeafLayout();
michael@0:   if (!layout) {
michael@0:     return nullptr;
michael@0:   }
michael@0:   
michael@0:   return new (aPresShell) nsListItemFrame(aPresShell, aContext, false, layout);
michael@0: }
michael@0: 
michael@0: NS_IMPL_FRAMEARENA_HELPERS(nsListItemFrame)