void InlineTextBox::setLogicalOverflowRect(const LayoutRect& rect)
{
ASSERT(!knownToHaveNoOverflow());
if (!gTextBoxesWithOverflow)
gTextBoxesWithOverflow = new InlineTextBoxOverflowMap;
gTextBoxesWithOverflow->set(this, rect);
}
void InlineTextBox::destroy() {
AbstractInlineTextBox::willDestroy(this);
if (!knownToHaveNoOverflow() && gTextBoxesWithOverflow)
gTextBoxesWithOverflow->remove(this);
InlineTextBoxPainter::removeFromTextBlobCache(*this);
InlineBox::destroy();
}
void InlineTextBox::move(const LayoutSize& delta) {
InlineBox::move(delta);
if (!knownToHaveNoOverflow() && gTextBoxesWithOverflow) {
const auto& it = gTextBoxesWithOverflow->find(this);
if (it != gTextBoxesWithOverflow->end())
it->value.move(isHorizontal() ? delta : delta.transposedSize());
}
}
void InlineTextBox::move(const LayoutSize& delta)
{
InlineBox::move(delta);
if (!knownToHaveNoOverflow()) {
LayoutRect logicalOverflowRect = this->logicalOverflowRect();
logicalOverflowRect.move(isHorizontal() ? delta : delta.transposedSize());
setLogicalOverflowRect(logicalOverflowRect);
}
}
LayoutRect InlineTextBox::logicalOverflowRect() const {
if (knownToHaveNoOverflow() || !gTextBoxesWithOverflow)
return logicalFrameRect();
const auto& it = gTextBoxesWithOverflow->find(this);
if (it != gTextBoxesWithOverflow->end())
return it->value;
return logicalFrameRect();
}
LayoutRect InlineTextBox::logicalOverflowRect() const
{
if (knownToHaveNoOverflow() || !gTextBoxesWithOverflow) {
// FIXME: the call to rawValue() below is temporary and should be removed once the transition
// to LayoutUnit-based types is complete (crbug.com/321237). The call to enclosingIntRect()
// should also likely be switched to LayoutUnit pixel-snapping.
return LayoutRect(enclosingIntRect(logicalFrameRect()));
}
return gTextBoxesWithOverflow->get(this);
}
