1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is Mozilla Communicator client code.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1998
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * David W. Hyatt (hyatt@netscape.com) (Original Author)
24 : * Joe Hewitt (hewitt@netscape.com)
25 : *
26 : * Alternatively, the contents of this file may be used under the terms of
27 : * either of the GNU General Public License Version 2 or later (the "GPL"),
28 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29 : * in which case the provisions of the GPL or the LGPL are applicable instead
30 : * of those above. If you wish to allow use of your version of this file only
31 : * under the terms of either the GPL or the LGPL, and not to allow others to
32 : * use your version of this file under the terms of the MPL, indicate your
33 : * decision by deleting the provisions above and replace them with the notice
34 : * and other provisions required by the GPL or the LGPL. If you do not delete
35 : * the provisions above, a recipient may use your version of this file under
36 : * the terms of any one of the MPL, the GPL or the LGPL.
37 : *
38 : * ***** END LICENSE BLOCK ***** */
39 :
40 : #include "nsListItemFrame.h"
41 :
42 : #include "nsCOMPtr.h"
43 : #include "nsINameSpaceManager.h"
44 : #include "nsGkAtoms.h"
45 : #include "nsDisplayList.h"
46 : #include "nsBoxLayout.h"
47 :
48 0 : nsListItemFrame::nsListItemFrame(nsIPresShell* aPresShell,
49 : nsStyleContext* aContext,
50 : bool aIsRoot,
51 : nsBoxLayout* aLayoutManager)
52 0 : : nsGridRowLeafFrame(aPresShell, aContext, aIsRoot, aLayoutManager)
53 : {
54 0 : }
55 :
56 0 : nsListItemFrame::~nsListItemFrame()
57 : {
58 0 : }
59 :
60 : nsSize
61 0 : nsListItemFrame::GetPrefSize(nsBoxLayoutState& aState)
62 : {
63 0 : nsSize size = nsBoxFrame::GetPrefSize(aState);
64 0 : DISPLAY_PREF_SIZE(this, size);
65 :
66 : // guarantee that our preferred height doesn't exceed the standard
67 : // listbox row height
68 0 : size.height = NS_MAX(mRect.height, size.height);
69 : return size;
70 : }
71 :
72 : NS_IMETHODIMP
73 0 : nsListItemFrame::BuildDisplayListForChildren(nsDisplayListBuilder* aBuilder,
74 : const nsRect& aDirtyRect,
75 : const nsDisplayListSet& aLists)
76 : {
77 0 : if (aBuilder->IsForEventDelivery()) {
78 0 : if (!mContent->AttrValueIs(kNameSpaceID_None, nsGkAtoms::allowevents,
79 0 : nsGkAtoms::_true, eCaseMatters))
80 0 : return NS_OK;
81 : }
82 :
83 0 : return nsGridRowLeafFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
84 : }
85 :
86 : // Creation Routine ///////////////////////////////////////////////////////////////////////
87 :
88 : already_AddRefed<nsBoxLayout> NS_NewGridRowLeafLayout();
89 :
90 : nsIFrame*
91 0 : NS_NewListItemFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
92 : {
93 0 : nsCOMPtr<nsBoxLayout> layout = NS_NewGridRowLeafLayout();
94 0 : if (!layout) {
95 0 : return nsnull;
96 : }
97 :
98 0 : return new (aPresShell) nsListItemFrame(aPresShell, aContext, false, layout);
99 : }
100 :
101 0 : NS_IMPL_FRAMEARENA_HELPERS(nsListItemFrame)
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