1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 *           (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009 Apple Inc. All rights reserved.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB.  If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 *
21 */
22
23#ifndef RenderListMarker_h
24#define RenderListMarker_h
25
26#include "core/rendering/RenderBox.h"
27
28namespace blink {
29
30class RenderListItem;
31
32String listMarkerText(EListStyleType, int value);
33
34// Used to render the list item's marker.
35// The RenderListMarker always has to be a child of a RenderListItem.
36class RenderListMarker FINAL : public RenderBox {
37public:
38    static RenderListMarker* createAnonymous(RenderListItem*);
39
40    virtual ~RenderListMarker();
41    virtual void destroy() OVERRIDE;
42    virtual void trace(Visitor*) OVERRIDE;
43
44    const String& text() const { return m_text; }
45
46    bool isInside() const;
47
48    void updateMarginsAndContent();
49
50    IntRect getRelativeMarkerRect();
51    LayoutRect localSelectionRect();
52    virtual bool isImage() const OVERRIDE;
53    const StyleImage* image() { return m_image.get(); }
54    const RenderListItem* listItem() { return m_listItem.get(); }
55
56    static UChar listMarkerSuffix(EListStyleType, int value);
57
58private:
59    RenderListMarker(RenderListItem*);
60
61    virtual const char* renderName() const OVERRIDE { return "RenderListMarker"; }
62    virtual void computePreferredLogicalWidths() OVERRIDE;
63
64    virtual bool isListMarker() const OVERRIDE { return true; }
65
66    virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE;
67
68    virtual void layout() OVERRIDE;
69
70    virtual void imageChanged(WrappedImagePtr, const IntRect* = 0) OVERRIDE;
71
72    virtual InlineBox* createInlineBox() OVERRIDE;
73
74    virtual LayoutUnit lineHeight(bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const OVERRIDE;
75    virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const OVERRIDE;
76
77    bool isText() const { return !isImage(); }
78
79    virtual void setSelectionState(SelectionState) OVERRIDE;
80    virtual LayoutRect selectionRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer) const OVERRIDE;
81    virtual bool canBeSelectionLeaf() const OVERRIDE { return true; }
82
83    void updateMargins();
84    void updateContent();
85
86    virtual void styleWillChange(StyleDifference, const RenderStyle& newStyle) OVERRIDE;
87    virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE;
88
89    String m_text;
90    RefPtr<StyleImage> m_image;
91    RawPtrWillBeMember<RenderListItem> m_listItem;
92};
93
94DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderListMarker, isListMarker());
95
96} // namespace blink
97
98#endif // RenderListMarker_h
99