RenderTextControlMultiLine.cpp [plain text]
#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(Element* element)
: RenderTextControl(element)
{
}
RenderTextControlMultiLine::~RenderTextControlMultiLine()
{
if (node() && node()->inDocument())
static_cast<HTMLTextAreaElement*>(node())->rendererWillBeDestroyed();
}
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() == node() || result.innerNode() == innerTextElement())
hitInnerTextElement(result, locationInContainer.point(), accumulatedOffset);
return true;
}
float RenderTextControlMultiLine::getAvgCharWidth(AtomicString family)
{
#if !PLATFORM(IOS)
if (family == "Lucida Grande")
return scaleEmToUnits(1229);
#endif
return RenderTextControl::getAvgCharWidth(family);
}
LayoutUnit RenderTextControlMultiLine::preferredContentLogicalWidth(float charWidth) const
{
int factor = static_cast<HTMLTextAreaElement*>(node())->cols();
return static_cast<LayoutUnit>(ceilf(charWidth * factor)) + scrollbarThickness();
}
LayoutUnit RenderTextControlMultiLine::computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const
{
return lineHeight * static_cast<HTMLTextAreaElement*>(node())->rows() + nonContentHeight;
}
int RenderTextControlMultiLine::baselinePosition(FontBaseline baselineType, bool firstLine, LineDirectionMode direction, LinePositionMode linePositionMode) const
{
return RenderBox::baselinePosition(baselineType, firstLine, direction, linePositionMode);
}
PassRefPtr<RenderStyle> RenderTextControlMultiLine::createInnerTextStyle(const RenderStyle* startStyle) const
{
RefPtr<RenderStyle> textBlockStyle = RenderStyle::create();
textBlockStyle->inheritFrom(startStyle);
adjustInnerTextStyle(startStyle, textBlockStyle.get());
textBlockStyle->setDisplay(BLOCK);
textBlockStyle->setPaddingLeft(Length(3, Fixed));
textBlockStyle->setPaddingRight(Length(3, Fixed));
return textBlockStyle.release();
}
RenderStyle* RenderTextControlMultiLine::textBaseStyle() const
{
return style();
}
RenderObject* RenderTextControlMultiLine::layoutSpecialExcludedChild(bool relayoutChildren)
{
RenderObject* placeholderRenderer = RenderTextControl::layoutSpecialExcludedChild(relayoutChildren);
if (!placeholderRenderer)
return 0;
if (!placeholderRenderer->isBox())
return placeholderRenderer;
RenderBox* placeholderBox = toRenderBox(placeholderRenderer);
placeholderBox->style()->setLogicalWidth(Length(contentLogicalWidth() - placeholderBox->borderAndPaddingLogicalWidth(), Fixed));
placeholderBox->layoutIfNeeded();
placeholderBox->setX(borderLeft() + paddingLeft());
placeholderBox->setY(borderTop() + paddingTop());
return placeholderRenderer;
}
}