void FrameCaret::paintCaret(GraphicsContext& context,
const LayoutPoint& paintOffset) {
if (m_caretVisibility == CaretVisibility::Hidden)
return;
if (!(isActive() && m_shouldPaintCaret))
return;
updateCaretRect(caretPosition());
CaretBase::paintCaret(caretPosition().anchorNode(), context, paintOffset,
DisplayItem::kCaret);
}
IntRect FrameCaret::absoluteCaretBounds() {
DCHECK_NE(m_frame->document()->lifecycle().state(),
DocumentLifecycle::InPaintInvalidation);
DCHECK(!m_frame->document()->needsLayoutTreeUpdate());
DocumentLifecycle::DisallowTransitionScope disallowTransition(
m_frame->document()->lifecycle());
if (!isActive()) {
clearCaretRect();
} else {
if (enclosingTextFormControl(caretPosition().position())) {
if (isVisuallyEquivalentCandidate(caretPosition().position()))
updateCaretRect(caretPosition());
else
updateCaretRect(createVisiblePosition(caretPosition()));
} else {
updateCaretRect(createVisiblePosition(caretPosition()));
}
}
return absoluteBoundsForLocalRect(caretPosition().anchorNode(),
localCaretRectWithoutUpdate());
}
void DragCaretController::setCaretPosition(const VisiblePosition& position)
{
m_position = position;
setCaretRectNeedsUpdate();
Document* document = 0;
if (Node* node = m_position.deepEquivalent().deprecatedNode()) {
document = &node->document();
}
if (m_position.isNull() || m_position.isOrphan()) {
clearCaretRect();
} else {
document->updateRenderTreeIfNeeded();
updateCaretRect(document, m_position);
}
}
void CaretBase::updateCaretRect(const VisiblePosition& caretPosition) {
updateCaretRect(caretPosition.toPositionWithAffinity());
}
bool CaretBase::updateCaretRect(Document* document, const VisiblePosition& caretPosition)
{
return updateCaretRect(document, PositionWithAffinity(caretPosition.deepEquivalent(), caretPosition.affinity()));
}
