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/**
* Copyright (C) 2003, 2006 Apple Computer, Inc.
*
* 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 "core/rendering/EllipsisBox.h"
#include "core/paint/EllipsisBoxPainter.h"
#include "core/rendering/HitTestResult.h"
#include "core/rendering/InlineTextBox.h"
#include "core/rendering/PaintInfo.h"
#include "core/rendering/RenderBlock.h"
#include "core/rendering/RootInlineBox.h"
#include "core/rendering/TextRunConstructor.h"
#include "core/rendering/style/ShadowList.h"
#include "platform/fonts/Font.h"
#include "platform/text/TextRun.h"
namespace blink {
void EllipsisBox::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit lineTop, LayoutUnit lineBottom)
{
EllipsisBoxPainter(*this).paint(paintInfo, paintOffset, lineTop, lineBottom);
}
InlineBox* EllipsisBox::markupBox() const
{
if (!m_shouldPaintMarkupBox || !renderer().isRenderBlock())
return 0;
RenderBlock& block = toRenderBlock(renderer());
RootInlineBox* lastLine = block.lineAtIndex(block.lineCount() - 1);
if (!lastLine)
return 0;
// If the last line-box on the last line of a block is a link, -webkit-line-clamp paints that box after the ellipsis.
// It does not actually move the link.
InlineBox* anchorBox = lastLine->lastChild();
if (!anchorBox || !anchorBox->renderer().style()->isLink())
return 0;
return anchorBox;
}
IntRect EllipsisBox::selectionRect()
{
RenderStyle* style = renderer().style(isFirstLineStyle());
const Font& font = style->font();
return enclosingIntRect(font.selectionRectForText(constructTextRun(&renderer(), font, m_str, style, TextRun::AllowTrailingExpansion), IntPoint(logicalLeft(), logicalTop() + root().selectionTopAdjustedForPrecedingBlock()), root().selectionHeightAdjustedForPrecedingBlock()));
}
bool EllipsisBox::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit lineTop, LayoutUnit lineBottom)
{
LayoutPoint adjustedLocation = accumulatedOffset + roundedLayoutPoint(topLeft());
// Hit test the markup box.
if (InlineBox* markupBox = this->markupBox()) {
RenderStyle* style = renderer().style(isFirstLineStyle());
LayoutUnit mtx = adjustedLocation.x() + m_logicalWidth - markupBox->x();
LayoutUnit mty = adjustedLocation.y() + style->fontMetrics().ascent() - (markupBox->y() + markupBox->renderer().style(isFirstLineStyle())->fontMetrics().ascent());
if (markupBox->nodeAtPoint(request, result, locationInContainer, LayoutPoint(mtx, mty), lineTop, lineBottom)) {
renderer().updateHitTestResult(result, locationInContainer.point() - LayoutSize(mtx, mty));
return true;
}
}
FloatPointWillBeLayoutPoint boxOrigin = locationIncludingFlipping();
boxOrigin.moveBy(accumulatedOffset);
FloatRectWillBeLayoutRect boundsRect(boxOrigin, size());
if (visibleToHitTestRequest(request) && boundsRect.intersects(HitTestLocation::rectForPoint(locationInContainer.point(), 0, 0, 0, 0))) {
renderer().updateHitTestResult(result, locationInContainer.point() - toLayoutSize(adjustedLocation));
// FIXME: the call to rawValue() below is temporary and should be removed once the transition
// to LayoutUnit-based types is complete (crbug.com/321237)
if (!result.addNodeToRectBasedTestResult(renderer().node(), request, locationInContainer, boundsRect.rawValue()))
return true;
}
return false;
}
} // namespace blink
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