1/*
2 * Copyright (C) 2010, 2011 Nokia Corporation and/or its subsidiary(-ies)
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB.  If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 *
19 */
20
21#include "config.h"
22#include "core/rendering/RenderDetailsMarker.h"
23
24#include "core/HTMLNames.h"
25#include "core/dom/Element.h"
26#include "core/html/HTMLElement.h"
27#include "core/paint/DetailsMarkerPainter.h"
28#include "core/rendering/PaintInfo.h"
29
30namespace blink {
31
32using namespace HTMLNames;
33
34RenderDetailsMarker::RenderDetailsMarker(Element* element)
35    : RenderBlockFlow(element)
36{
37}
38
39RenderDetailsMarker::Orientation RenderDetailsMarker::orientation() const
40{
41    switch (style()->writingMode()) {
42    case TopToBottomWritingMode:
43        if (style()->isLeftToRightDirection())
44            return isOpen() ? Down : Right;
45        return isOpen() ? Down : Left;
46    case RightToLeftWritingMode:
47        if (style()->isLeftToRightDirection())
48            return isOpen() ? Left : Down;
49        return isOpen() ? Left : Up;
50    case LeftToRightWritingMode:
51        if (style()->isLeftToRightDirection())
52            return isOpen() ? Right : Down;
53        return isOpen() ? Right : Up;
54    case BottomToTopWritingMode:
55        if (style()->isLeftToRightDirection())
56            return isOpen() ? Up : Right;
57        return isOpen() ? Up : Left;
58    }
59    return Right;
60}
61
62void RenderDetailsMarker::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
63{
64    DetailsMarkerPainter(*this).paint(paintInfo, paintOffset);
65}
66
67bool RenderDetailsMarker::isOpen() const
68{
69    for (RenderObject* renderer = parent(); renderer; renderer = renderer->parent()) {
70        if (!renderer->node())
71            continue;
72        if (isHTMLDetailsElement(*renderer->node()))
73            return !toElement(renderer->node())->getAttribute(openAttr).isNull();
74        if (isHTMLInputElement(*renderer->node()))
75            return true;
76    }
77
78    return false;
79}
80
81}
82