1/**
2 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
3 * (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 *
20 */
21
22#include "config.h"
23#include "RenderTextControlMultiLine.h"
24
25#include "Frame.h"
26#include "HTMLNames.h"
27#include "HTMLTextAreaElement.h"
28#include "HitTestResult.h"
29#include "ShadowRoot.h"
30#include "StyleInheritedData.h"
31#include "TextControlInnerElements.h"
32#include <wtf/IsoMallocInlines.h>
33
34namespace WebCore {
35
36WTF_MAKE_ISO_ALLOCATED_IMPL(RenderTextControlMultiLine);
37
38RenderTextControlMultiLine::RenderTextControlMultiLine(HTMLTextAreaElement& element, RenderStyle&& style)
39 : RenderTextControl(element, WTFMove(style))
40{
41}
42
43RenderTextControlMultiLine::~RenderTextControlMultiLine()
44{
45 // Do not add any code here. Add it to willBeDestroyed() instead.
46}
47
48void RenderTextControlMultiLine::willBeDestroyed()
49{
50 if (textAreaElement().isConnected())
51 textAreaElement().rendererWillBeDestroyed();
52
53 RenderTextControl::willBeDestroyed();
54}
55
56HTMLTextAreaElement& RenderTextControlMultiLine::textAreaElement() const
57{
58 return downcast<HTMLTextAreaElement>(RenderTextControl::textFormControlElement());
59}
60
61bool RenderTextControlMultiLine::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction hitTestAction)
62{
63 if (!RenderTextControl::nodeAtPoint(request, result, locationInContainer, accumulatedOffset, hitTestAction))
64 return false;
65
66 if (result.innerNode() == &textAreaElement() || result.innerNode() == innerTextElement())
67 hitInnerTextElement(result, locationInContainer.point(), accumulatedOffset);
68
69 return true;
70}
71
72float RenderTextControlMultiLine::getAverageCharWidth()
73{
74#if !PLATFORM(IOS_FAMILY)
75 // Since Lucida Grande is the default font, we want this to match the width
76 // of Courier New, the default font for textareas in IE, Firefox and Safari Win.
77 // 1229 is the avgCharWidth value in the OS/2 table for Courier New.
78 if (style().fontCascade().firstFamily() == "Lucida Grande")
79 return scaleEmToUnits(1229);
80#endif
81
82 return RenderTextControl::getAverageCharWidth();
83}
84
85LayoutUnit RenderTextControlMultiLine::preferredContentLogicalWidth(float charWidth) const
86{
87 return ceilf(charWidth * textAreaElement().cols()) + scrollbarThickness();
88}
89
90LayoutUnit RenderTextControlMultiLine::computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const
91{
92 return lineHeight * textAreaElement().rows() + nonContentHeight;
93}
94
95int RenderTextControlMultiLine::baselinePosition(FontBaseline baselineType, bool firstLine, LineDirectionMode direction, LinePositionMode linePositionMode) const
96{
97 return RenderBox::baselinePosition(baselineType, firstLine, direction, linePositionMode);
98}
99
100void RenderTextControlMultiLine::layoutExcludedChildren(bool relayoutChildren)
101{
102 RenderTextControl::layoutExcludedChildren(relayoutChildren);
103 HTMLElement* placeholder = textFormControlElement().placeholderElement();
104 RenderElement* placeholderRenderer = placeholder ? placeholder->renderer() : 0;
105 if (!placeholderRenderer)
106 return;
107 if (is<RenderBox>(placeholderRenderer)) {
108 auto& placeholderBox = downcast<RenderBox>(*placeholderRenderer);
109 placeholderBox.mutableStyle().setLogicalWidth(Length(contentLogicalWidth() - placeholderBox.borderAndPaddingLogicalWidth(), Fixed));
110 placeholderBox.layoutIfNeeded();
111 placeholderBox.setX(borderLeft() + paddingLeft());
112 placeholderBox.setY(borderTop() + paddingTop());
113 }
114}
115
116}
117