This source file includes following definitions.
- searchDecorationElement
- cancelButtonElement
- computeControlLogicalHeight
- computeLogicalHeightLimit
- centerContainerIfNeeded
#include "config.h"
#include "core/rendering/RenderSearchField.h"
#include "core/dom/shadow/ShadowRoot.h"
#include "core/html/HTMLInputElement.h"
#include "core/html/shadow/ShadowElementNames.h"
using namespace std;
namespace WebCore {
using namespace HTMLNames;
RenderSearchField::RenderSearchField(HTMLInputElement* element)
: RenderTextControlSingleLine(element)
{
ASSERT(element->isSearchField());
}
RenderSearchField::~RenderSearchField()
{
}
inline Element* RenderSearchField::searchDecorationElement() const
{
return inputElement()->userAgentShadowRoot()->getElementById(ShadowElementNames::searchDecoration());
}
inline Element* RenderSearchField::cancelButtonElement() const
{
return inputElement()->userAgentShadowRoot()->getElementById(ShadowElementNames::clearButton());
}
LayoutUnit RenderSearchField::computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const
{
Element* searchDecoration = searchDecorationElement();
if (RenderBox* decorationRenderer = searchDecoration ? searchDecoration->renderBox() : 0) {
decorationRenderer->updateLogicalHeight();
nonContentHeight = max(nonContentHeight, decorationRenderer->borderAndPaddingLogicalHeight() + decorationRenderer->marginLogicalHeight());
lineHeight = max(lineHeight, decorationRenderer->logicalHeight());
}
Element* cancelButton = cancelButtonElement();
if (RenderBox* cancelRenderer = cancelButton ? cancelButton->renderBox() : 0) {
cancelRenderer->updateLogicalHeight();
nonContentHeight = max(nonContentHeight, cancelRenderer->borderAndPaddingLogicalHeight() + cancelRenderer->marginLogicalHeight());
lineHeight = max(lineHeight, cancelRenderer->logicalHeight());
}
return lineHeight + nonContentHeight;
}
LayoutUnit RenderSearchField::computeLogicalHeightLimit() const
{
return logicalHeight();
}
void RenderSearchField::centerContainerIfNeeded(RenderBox* containerRenderer) const
{
if (!containerRenderer)
return;
if (containerRenderer->logicalHeight() <= contentLogicalHeight())
return;
LayoutUnit logicalHeightDiff = containerRenderer->logicalHeight() - contentLogicalHeight();
containerRenderer->setLogicalTop(containerRenderer->logicalTop() - (logicalHeightDiff / 2 + layoutMod(logicalHeightDiff, 2)));
}
}