void RenderLayerModelObject::addChildFocusRingRects(Vector<LayoutRect>& rects, const LayoutPoint& additionalOffset) const
{
for (RenderObject* current = slowFirstChild(); current; current = current->nextSibling()) {
if (current->isText() || current->isListMarker())
continue;
if (!current->isBox()) {
current->addFocusRingRects(rects, additionalOffset);
continue;
}
RenderBox* box = toRenderBox(current);
if (!box->hasLayer()) {
box->addFocusRingRects(rects, additionalOffset + box->locationOffset());
continue;
}
Vector<LayoutRect> layerFocusRingRects;
box->addFocusRingRects(layerFocusRingRects, LayoutPoint());
for (size_t i = 0; i < layerFocusRingRects.size(); ++i) {
FloatQuad quadInBox = box->localToContainerQuad(FloatQuad(layerFocusRingRects[i]), this);
LayoutRect rect = LayoutRect(quadInBox.boundingBox());
if (!rect.isEmpty()) {
rect.moveBy(additionalOffset);
rects.append(rect);
}
}
}
}
LayoutRect RenderBoxModelObject::localCaretRectForEmptyElement(LayoutUnit width, LayoutUnit textIndentOffset)
{
ASSERT(!slowFirstChild());
// FIXME: This does not take into account either :first-line or :first-letter
// However, as soon as some content is entered, the line boxes will be
// constructed and this kludge is not called any more. So only the caret size
// of an empty :first-line'd block is wrong. I think we can live with that.
RenderStyle* currentStyle = firstLineStyle();
enum CaretAlignment { alignLeft, alignRight, alignCenter };
CaretAlignment alignment = alignLeft;
switch (currentStyle->textAlign()) {
case LEFT:
case WEBKIT_LEFT:
break;
case CENTER:
case WEBKIT_CENTER:
alignment = alignCenter;
break;
case RIGHT:
case WEBKIT_RIGHT:
alignment = alignRight;
break;
case JUSTIFY:
case TASTART:
if (!currentStyle->isLeftToRightDirection())
alignment = alignRight;
break;
case TAEND:
if (currentStyle->isLeftToRightDirection())
alignment = alignRight;
break;
}
LayoutUnit x = borderLeft() + paddingLeft();
LayoutUnit maxX = width - borderRight() - paddingRight();
switch (alignment) {
case alignLeft:
if (currentStyle->isLeftToRightDirection())
x += textIndentOffset;
break;
case alignCenter:
x = (x + maxX) / 2;
if (currentStyle->isLeftToRightDirection())
x += textIndentOffset / 2;
else
x -= textIndentOffset / 2;
break;
case alignRight:
x = maxX - caretWidth;
if (!currentStyle->isLeftToRightDirection())
x -= textIndentOffset;
break;
}
x = std::min(x, std::max<LayoutUnit>(maxX - caretWidth, 0));
LayoutUnit height = style()->fontMetrics().height();
LayoutUnit verticalSpace = lineHeight(true, currentStyle->isHorizontalWritingMode() ? HorizontalLine : VerticalLine, PositionOfInteriorLineBoxes) - height;
LayoutUnit y = paddingTop() + borderTop() + (verticalSpace / 2);
return currentStyle->isHorizontalWritingMode() ? LayoutRect(x, y, caretWidth, height) : LayoutRect(y, x, height, caretWidth);
}
