KeyboardEvent* findKeyboardEvent(Event* event)
{
for (Event* e = event; e; e = e->underlyingEvent())
if (e->isKeyboardEvent())
return toKeyboardEvent(e);
return 0;
}
void HTMLElement::defaultEventHandler(Event* event)
{
if (event->type() == EventTypeNames::keypress && event->isKeyboardEvent()) {
handleKeypressEvent(toKeyboardEvent(event));
if (event->defaultHandled())
return;
}
Element::defaultEventHandler(event);
}
void HTMLButtonElement::defaultEventHandler(Event* event)
{
if (event->type() == eventNames().DOMActivateEvent && !isDisabledFormControl()) {
if (form() && m_type == SUBMIT) {
m_isActivatedSubmit = true;
form()->prepareForSubmission(event);
event->setDefaultHandled();
m_isActivatedSubmit = false; // Do this in case submission was canceled.
}
if (form() && m_type == RESET) {
form()->reset();
event->setDefaultHandled();
}
}
if (event->isKeyboardEvent()) {
if (event->type() == eventNames().keydownEvent && toKeyboardEvent(event)->keyIdentifier() == "U+0020") {
setActive(true, true);
// No setDefaultHandled() - IE dispatches a keypress in this case.
return;
}
if (event->type() == eventNames().keypressEvent) {
switch (toKeyboardEvent(event)->charCode()) {
case '\r':
dispatchSimulatedClick(event);
event->setDefaultHandled();
return;
case ' ':
// Prevent scrolling down the page.
event->setDefaultHandled();
return;
}
}
if (event->type() == eventNames().keyupEvent && toKeyboardEvent(event)->keyIdentifier() == "U+0020") {
if (active())
dispatchSimulatedClick(event);
event->setDefaultHandled();
return;
}
}
HTMLFormControlElement::defaultEventHandler(event);
}
void HTMLButtonElement::defaultEventHandler(Event* event) {
if (event->type() == EventTypeNames::DOMActivate &&
!isDisabledFormControl()) {
if (form() && m_type == SUBMIT) {
form()->prepareForSubmission(event, this);
event->setDefaultHandled();
}
if (form() && m_type == RESET) {
form()->reset();
event->setDefaultHandled();
}
}
if (event->isKeyboardEvent()) {
if (event->type() == EventTypeNames::keydown &&
toKeyboardEvent(event)->key() == " ") {
setActive(true);
// No setDefaultHandled() - IE dispatches a keypress in this case.
return;
}
if (event->type() == EventTypeNames::keypress) {
switch (toKeyboardEvent(event)->charCode()) {
case '\r':
dispatchSimulatedClick(event);
event->setDefaultHandled();
return;
case ' ':
// Prevent scrolling down the page.
event->setDefaultHandled();
return;
}
}
if (event->type() == EventTypeNames::keyup &&
toKeyboardEvent(event)->key() == " ") {
if (isActive())
dispatchSimulatedClick(event);
event->setDefaultHandled();
return;
}
}
HTMLFormControlElement::defaultEventHandler(event);
}
void HTMLElement::defaultEventHandler(Event* event)
{
if (event->type() == eventNames().keypressEvent && event->isKeyboardEvent()) {
handleKeypressEvent(toKeyboardEvent(event));
if (event->defaultHandled())
return;
}
StyledElement::defaultEventHandler(event);
}
bool isEnterKeyKeydownEvent(Event* event)
{
return event->type() == eventNames().keydownEvent && event->isKeyboardEvent() && toKeyboardEvent(event)->keyIdentifier() == "Enter";
}
bool InputTypeView::shouldSubmitImplicitly(Event* event)
{
return event->isKeyboardEvent() && event->type() == EventTypeNames::keypress && toKeyboardEvent(event)->charCode() == '\r';
}
static bool isEnterKeyKeydownEvent(Event* event)
{
return event->type() == EventTypeNames::keydown && event->isKeyboardEvent() && toKeyboardEvent(event)->keyIdentifier() == "Enter";
}