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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 "EllipsisBox.h"
#include "Document.h"
#include "GraphicsContext.h"
#include "HitTestResult.h"
#include "PaintInfo.h"
#include "RenderBlock.h"
#include "RootInlineBox.h"
#include "TextRun.h"
namespace WebCore {
void EllipsisBox::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit lineTop, LayoutUnit lineBottom)
{
GraphicsContext* context = paintInfo.context;
RenderStyle* style = m_renderer->style(isFirstLineStyle());
Color textColor = style->visitedDependentColor(CSSPropertyColor);
if (textColor != context->fillColor())
context->setFillColor(textColor, style->colorSpace());
bool setShadow = false;
if (style->textShadow()) {
context->setShadow(LayoutSize(style->textShadow()->x(), style->textShadow()->y()),
style->textShadow()->blur(), style->textShadow()->color(), style->colorSpace());
setShadow = true;
}
const Font& font = style->font();
if (selectionState() != RenderObject::SelectionNone) {
paintSelection(context, paintOffset, style, font);
// Select the correct color for painting the text.
Color foreground = paintInfo.forceBlackText ? Color::black : renderer()->selectionForegroundColor();
if (foreground.isValid() && foreground != textColor)
context->setFillColor(foreground, style->colorSpace());
}
// FIXME: Why is this always LTR? Fix by passing correct text run flags below.
context->drawText(font, RenderBlock::constructTextRun(renderer(), font, m_str, style, TextRun::AllowTrailingExpansion), LayoutPoint(x() + paintOffset.x(), y() + paintOffset.y() + style->fontMetrics().ascent()));
// Restore the regular fill color.
if (textColor != context->fillColor())
context->setFillColor(textColor, style->colorSpace());
if (setShadow)
context->clearShadow();
if (m_markupBox) {
// Paint the markup box
LayoutPoint adjustedPaintOffset = paintOffset;
adjustedPaintOffset.move(x() + m_logicalWidth - m_markupBox->x(),
y() + style->fontMetrics().ascent() - (m_markupBox->y() + m_markupBox->renderer()->style(isFirstLineStyle())->fontMetrics().ascent()));
m_markupBox->paint(paintInfo, adjustedPaintOffset, lineTop, lineBottom);
}
}
IntRect EllipsisBox::selectionRect()
{
RenderStyle* style = m_renderer->style(isFirstLineStyle());
const Font& font = style->font();
// FIXME: Why is this always LTR? Fix by passing correct text run flags below.
return enclosingIntRect(font.selectionRectForText(RenderBlock::constructTextRun(renderer(), font, m_str, style, TextRun::AllowTrailingExpansion), IntPoint(x(), y() + root()->selectionTopAdjustedForPrecedingBlock()), root()->selectionHeightAdjustedForPrecedingBlock()));
}
void EllipsisBox::paintSelection(GraphicsContext* context, const LayoutPoint& paintOffset, RenderStyle* style, const Font& font)
{
Color textColor = style->visitedDependentColor(CSSPropertyColor);
Color c = m_renderer->selectionBackgroundColor();
if (!c.isValid() || !c.alpha())
return;
// If the text color ends up being the same as the selection background, invert the selection
// background.
if (textColor == c)
c = Color(0xff - c.red(), 0xff - c.green(), 0xff - c.blue());
GraphicsContextStateSaver stateSaver(*context);
LayoutUnit top = root()->selectionTop();
LayoutUnit h = root()->selectionHeight();
// FIXME: We'll need to apply the correct clip rounding here: https://bugs.webkit.org/show_bug.cgi?id=63656
context->clip(IntRect(x() + paintOffset.x(), top + paintOffset.y(), m_logicalWidth, h));
// FIXME: Why is this always LTR? Fix by passing correct text run flags below.
context->drawHighlightForText(font, RenderBlock::constructTextRun(renderer(), font, m_str, style, TextRun::AllowTrailingExpansion), IntPoint(x() + paintOffset.x(), y() + paintOffset.y() + top), h, c, style->colorSpace());
}
bool EllipsisBox::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const LayoutPoint& pointInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit lineTop, LayoutUnit lineBottom)
{
LayoutPoint adjustedLocation = accumulatedOffset + roundedLayoutPoint(topLeft());
// Hit test the markup box.
if (m_markupBox) {
RenderStyle* style = m_renderer->style(isFirstLineStyle());
LayoutUnit mtx = adjustedLocation.x() + m_logicalWidth - m_markupBox->x();
LayoutUnit mty = adjustedLocation.y() + style->fontMetrics().ascent() - (m_markupBox->y() + m_markupBox->renderer()->style(isFirstLineStyle())->fontMetrics().ascent());
if (m_markupBox->nodeAtPoint(request, result, pointInContainer, LayoutPoint(mtx, mty), lineTop, lineBottom)) {
renderer()->updateHitTestResult(result, pointInContainer - LayoutSize(mtx, mty));
return true;
}
}
LayoutRect boundsRect(adjustedLocation, LayoutSize(m_logicalWidth, m_height));
if (visibleToHitTesting() && boundsRect.intersects(result.rectForPoint(pointInContainer))) {
renderer()->updateHitTestResult(result, pointInContainer - toLayoutSize(adjustedLocation));
if (!result.addNodeToRectBasedTestResult(renderer()->node(), pointInContainer, boundsRect))
return true;
}
return false;
}
} // namespace WebCore
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