IntRect RenderInline::clippedOverflowRectForRepaint(RenderBox* repaintContainer)
{
// Only run-ins are allowed in here during layout.
ASSERT(!view() || !view()->layoutStateEnabled() || isRunIn());
if (!firstLineBox() && !continuation())
return IntRect();
// Find our leftmost position.
IntRect boundingBox(linesBoundingBox());
int left = boundingBox.x();
int top = boundingBox.y();
// Now invalidate a rectangle.
int ow = style() ? style()->outlineSize() : 0;
// We need to add in the relative position offsets of any inlines (including us) up to our
// containing block.
RenderBlock* cb = containingBlock();
for (RenderObject* inlineFlow = this; inlineFlow && inlineFlow->isRenderInline() && inlineFlow != cb;
inlineFlow = inlineFlow->parent()) {
if (inlineFlow->style()->position() == RelativePosition && inlineFlow->hasLayer())
toRenderBox(inlineFlow)->layer()->relativePositionOffset(left, top);
}
IntRect r(-ow + left, -ow + top, boundingBox.width() + ow * 2, boundingBox.height() + ow * 2);
if (cb->hasColumns())
cb->adjustRectForColumns(r);
if (cb->hasOverflowClip()) {
// cb->height() is inaccurate if we're in the middle of a layout of |cb|, so use the
// layer's size instead. Even if the layer's size is wrong, the layer itself will repaint
// anyway if its size does change.
int x = r.x();
int y = r.y();
IntRect boxRect(0, 0, cb->layer()->width(), cb->layer()->height());
cb->layer()->subtractScrolledContentOffset(x, y); // For overflow:auto/scroll/hidden.
IntRect repaintRect(x, y, r.width(), r.height());
r = intersection(repaintRect, boxRect);
}
ASSERT(repaintContainer != this);
cb->computeRectForRepaint(r, repaintContainer);
if (ow) {
for (RenderObject* curr = firstChild(); curr; curr = curr->nextSibling()) {
if (!curr->isText()) {
IntRect childRect = curr->rectWithOutlineForRepaint(repaintContainer, ow);
r.unite(childRect);
}
}
if (continuation() && !continuation()->isInline()) {
IntRect contRect = continuation()->rectWithOutlineForRepaint(repaintContainer, ow);
r.unite(contRect);
}
}
return r;
}
