1/*
2 * Copyright (C) 2013 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "InlineElementBox.h"
28
29#include "InlineFlowBox.h"
30#include "PaintInfo.h"
31#include "RenderBlock.h"
32#include "RenderBox.h"
33#include "RenderLineBreak.h"
34#include <wtf/IsoMallocInlines.h>
35
36namespace WebCore {
37
38WTF_MAKE_ISO_ALLOCATED_IMPL(InlineElementBox);
39
40void InlineElementBox::deleteLine()
41{
42 if (!extracted()) {
43 if (is<RenderBox>(renderer()))
44 downcast<RenderBox>(renderer()).setInlineBoxWrapper(nullptr);
45 else if (is<RenderLineBreak>(renderer()))
46 downcast<RenderLineBreak>(renderer()).setInlineBoxWrapper(nullptr);
47 }
48 delete this;
49}
50
51void InlineElementBox::extractLine()
52{
53 setExtracted(true);
54 if (is<RenderBox>(renderer()))
55 downcast<RenderBox>(renderer()).setInlineBoxWrapper(nullptr);
56 else if (is<RenderLineBreak>(renderer()))
57 downcast<RenderLineBreak>(renderer()).setInlineBoxWrapper(nullptr);
58}
59
60void InlineElementBox::attachLine()
61{
62 setExtracted(false);
63 if (is<RenderBox>(renderer()))
64 downcast<RenderBox>(renderer()).setInlineBoxWrapper(this);
65 else if (is<RenderLineBreak>(renderer()))
66 downcast<RenderLineBreak>(renderer()).setInlineBoxWrapper(this);
67}
68
69void InlineElementBox::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit /* lineTop */, LayoutUnit /*lineBottom*/)
70{
71 if (!paintInfo.shouldPaintWithinRoot(renderer()))
72 return;
73
74 if (paintInfo.phase != PaintPhase::Foreground && paintInfo.phase != PaintPhase::Selection && paintInfo.phase != PaintPhase::EventRegion)
75 return;
76
77 LayoutPoint childPoint = paintOffset;
78 if (is<RenderBox>(renderer()) && parent()->renderer().style().isFlippedBlocksWritingMode()) // Faster than calling containingBlock().
79 childPoint = renderer().containingBlock()->flipForWritingModeForChild(&downcast<RenderBox>(renderer()), childPoint);
80
81 renderer().paintAsInlineBlock(paintInfo, childPoint);
82}
83
84bool InlineElementBox::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit /* lineTop */, LayoutUnit /*lineBottom*/,
85 HitTestAction)
86{
87 // Hit test all phases of replaced elements atomically, as though the replaced element established its
88 // own stacking context. (See Appendix E.2, section 6.4 on inline block/table elements in the CSS2.1
89 // specification.)
90 LayoutPoint childPoint = accumulatedOffset;
91 if (is<RenderBox>(renderer()) && parent()->renderer().style().isFlippedBlocksWritingMode()) // Faster than calling containingBlock().
92 childPoint = renderer().containingBlock()->flipForWritingModeForChild(&downcast<RenderBox>(renderer()), childPoint);
93
94 return renderer().hitTest(request, result, locationInContainer, childPoint);
95}
96
97}
98