Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 130 insertions, 0 deletions

diff --git a/Source/WebCore/rendering/EllipsisBox.cpp b/Source/WebCore/rendering/EllipsisBox.cpp
new file mode 100644
index 000000000..e403fe667
--- /dev/null
+++ b/Source/WebCore/rendering/EllipsisBox.cpp
@@ -0,0 +1,130 @@
+/**
+ * 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(m_firstLine);
+    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(m_firstLine)->fontMetrics().ascent()));
+        m_markupBox->paint(paintInfo, adjustedPaintOffset, lineTop, lineBottom);
+    }
+}
+
+IntRect EllipsisBox::selectionRect()
+{
+    RenderStyle* style = m_renderer->style(m_firstLine);
+    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()->selectionTop()), root()->selectionHeight()));
+}
+
+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(m_firstLine);
+        LayoutUnit mtx = adjustedLocation.x() + m_logicalWidth - m_markupBox->x();
+        LayoutUnit mty = adjustedLocation.y() + style->fontMetrics().ascent() - (m_markupBox->y() + m_markupBox->renderer()->style(m_firstLine)->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