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/**
* Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
* (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "RenderTextControlMultiLine.h"
#include "Frame.h"
#include "HTMLNames.h"
#include "HTMLTextAreaElement.h"
#include "HitTestResult.h"
#include "ShadowRoot.h"
#include "StyleInheritedData.h"
#include "TextControlInnerElements.h"
namespace WebCore {
RenderTextControlMultiLine::RenderTextControlMultiLine(HTMLTextAreaElement& element, Ref<RenderStyle>&& style)
: RenderTextControl(element, WTFMove(style))
{
}
RenderTextControlMultiLine::~RenderTextControlMultiLine()
{
if (textAreaElement().inDocument())
textAreaElement().rendererWillBeDestroyed();
}
HTMLTextAreaElement& RenderTextControlMultiLine::textAreaElement() const
{
return downcast<HTMLTextAreaElement>(RenderTextControl::textFormControlElement());
}
bool RenderTextControlMultiLine::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction hitTestAction)
{
if (!RenderTextControl::nodeAtPoint(request, result, locationInContainer, accumulatedOffset, hitTestAction))
return false;
if (result.innerNode() == &textAreaElement() || result.innerNode() == innerTextElement())
hitInnerTextElement(result, locationInContainer.point(), accumulatedOffset);
return true;
}
float RenderTextControlMultiLine::getAverageCharWidth()
{
#if !PLATFORM(IOS)
// Since Lucida Grande is the default font, we want this to match the width
// of Courier New, the default font for textareas in IE, Firefox and Safari Win.
// 1229 is the avgCharWidth value in the OS/2 table for Courier New.
if (style().fontCascade().firstFamily() == "Lucida Grande")
return scaleEmToUnits(1229);
#endif
return RenderTextControl::getAverageCharWidth();
}
LayoutUnit RenderTextControlMultiLine::preferredContentLogicalWidth(float charWidth) const
{
return ceilf(charWidth * textAreaElement().cols()) + scrollbarThickness();
}
LayoutUnit RenderTextControlMultiLine::computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const
{
return lineHeight * textAreaElement().rows() + nonContentHeight;
}
int RenderTextControlMultiLine::baselinePosition(FontBaseline baselineType, bool firstLine, LineDirectionMode direction, LinePositionMode linePositionMode) const
{
return RenderBox::baselinePosition(baselineType, firstLine, direction, linePositionMode);
}
Ref<RenderStyle> RenderTextControlMultiLine::createInnerTextStyle(const RenderStyle* startStyle) const
{
auto textBlockStyle = RenderStyle::create();
textBlockStyle.get().inheritFrom(startStyle);
adjustInnerTextStyle(startStyle, textBlockStyle.get());
textBlockStyle.get().setDisplay(BLOCK);
#if PLATFORM(IOS)
// We're adding three extra pixels of padding to line textareas up with text fields.
textBlockStyle.get().setPaddingLeft(Length(3, Fixed));
textBlockStyle.get().setPaddingRight(Length(3, Fixed));
#endif
return textBlockStyle;
}
RenderObject* RenderTextControlMultiLine::layoutSpecialExcludedChild(bool relayoutChildren)
{
RenderObject* placeholderRenderer = RenderTextControl::layoutSpecialExcludedChild(relayoutChildren);
if (is<RenderBox>(placeholderRenderer)) {
auto& placeholderBox = downcast<RenderBox>(*placeholderRenderer);
placeholderBox.style().setLogicalWidth(Length(contentLogicalWidth() - placeholderBox.borderAndPaddingLogicalWidth(), Fixed));
placeholderBox.layoutIfNeeded();
placeholderBox.setX(borderLeft() + paddingLeft());
placeholderBox.setY(borderTop() + paddingTop());
}
return placeholderRenderer;
}
}
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