bool HTMLAnchorElement::supportsFocus() const
{
if (rendererIsEditable())
return HTMLElement::supportsFocus();
// If not a link we should still be able to focus the element if it has tabIndex.
return isLink() || HTMLElement::supportsFocus();
}
bool HTMLAnchorElement::canStartSelection() const
{
// FIXME: We probably want this same behavior in SVGAElement too
if (!isLink())
return HTMLElement::canStartSelection();
return rendererIsEditable();
}
bool HTMLAnchorElement::treatLinkAsLiveForEventType(EventType eventType) const
{
if (!rendererIsEditable())
return true;
Settings* settings = document()->settings();
if (!settings)
return true;
switch (settings->editableLinkBehavior()) {
case EditableLinkDefaultBehavior:
case EditableLinkAlwaysLive:
return true;
case EditableLinkNeverLive:
return false;
// If the selection prior to clicking on this link resided in the same editable block as this link,
// and the shift key isn't pressed, we don't want to follow the link.
case EditableLinkLiveWhenNotFocused:
return eventType == MouseEventWithShiftKey || (eventType == MouseEventWithoutShiftKey && rootEditableElementForSelectionOnMouseDown() != rootEditableElement());
case EditableLinkOnlyLiveWithShiftKey:
return eventType == MouseEventWithShiftKey;
}
ASSERT_NOT_REACHED();
return false;
}
void HTMLAnchorElement::setActive(bool down, bool pause)
{
if (rendererIsEditable()) {
EditableLinkBehavior editableLinkBehavior = EditableLinkDefaultBehavior;
if (Settings* settings = document()->settings())
editableLinkBehavior = settings->editableLinkBehavior();
switch (editableLinkBehavior) {
default:
case EditableLinkDefaultBehavior:
case EditableLinkAlwaysLive:
break;
case EditableLinkNeverLive:
return;
// Don't set the link to be active if the current selection is in the same editable block as
// this link
case EditableLinkLiveWhenNotFocused:
if (down && document()->frame() && document()->frame()->selection()->rootEditableElement() == rootEditableElement())
return;
break;
case EditableLinkOnlyLiveWithShiftKey:
return;
}
}
ContainerNode::setActive(down, pause);
}
void HTMLAnchorElement::defaultEventHandler(Event* event)
{
if (isLink()) {
if (focused() && isEnterKeyKeydownEvent(event) && treatLinkAsLiveForEventType(NonMouseEvent)) {
event->setDefaultHandled();
dispatchSimulatedClick(event);
return;
}
if (isLinkClick(event) && treatLinkAsLiveForEventType(eventType(event))) {
handleClick(event);
return;
}
if (rendererIsEditable()) {
// This keeps track of the editable block that the selection was in (if it was in one) just before the link was clicked
// for the LiveWhenNotFocused editable link behavior
if (event->type() == eventNames().mousedownEvent && event->isMouseEvent() && static_cast<MouseEvent*>(event)->button() != RightButton && document()->frame() && document()->frame()->selection()) {
setRootEditableElementForSelectionOnMouseDown(document()->frame()->selection()->rootEditableElement());
m_wasShiftKeyDownOnMouseDown = static_cast<MouseEvent*>(event)->shiftKey();
} else if (event->type() == eventNames().mouseoverEvent) {
// These are cleared on mouseover and not mouseout because their values are needed for drag events,
// but drag events happen after mouse out events.
clearRootEditableElementForSelectionOnMouseDown();
m_wasShiftKeyDownOnMouseDown = false;
}
}
}
HTMLElement::defaultEventHandler(event);
}
bool HTMLElement::supportsFocus() const
{
// FIXME: supportsFocus() can be called when layout is not up to date.
// Logic that deals with the renderer should be moved to rendererIsFocusable().
// But supportsFocus must return true when the element is editable, or else
// it won't be focusable. Furthermore, supportsFocus cannot just return true
// always or else tabIndex() will change for all HTML elements.
return Element::supportsFocus() || (rendererIsEditable() && parentNode() && !parentNode()->rendererIsEditable())
|| supportsSpatialNavigationFocus();
}
bool HTMLElement::supportsFocus() const
{
return Element::supportsFocus() || (rendererIsEditable() && parentNode() && !parentNode()->rendererIsEditable());
}
bool SVGAElement::supportsFocus() const
{
if (rendererIsEditable())
return SVGGraphicsElement::supportsFocus();
return true;
}
