static IntPoint extractClickLocation(Event* event)
{
if (!event->underlyingEvent() || !event->underlyingEvent()->isMouseEvent())
return IntPoint();
MouseEvent* mouseEvent = toMouseEvent(event->underlyingEvent());
if (mouseEvent->isSimulated())
return IntPoint();
return IntPoint(mouseEvent->offsetX(), mouseEvent->offsetY());
}
void ImageInputType::handleDOMActivateEvent(Event* event)
{
RefPtr<HTMLInputElement> element = this->element();
if (element->disabled() || !element->form())
return;
element->setActivatedSubmit(true);
if (event->underlyingEvent() && event->underlyingEvent()->isMouseEvent()) {
MouseEvent* mouseEvent = static_cast<MouseEvent*>(event->underlyingEvent());
m_clickLocation = IntPoint(mouseEvent->offsetX(), mouseEvent->offsetY());
} else
m_clickLocation = IntPoint();
element->form()->prepareForSubmission(event); // Event handlers can run.
element->setActivatedSubmit(false);
event->setDefaultHandled();
}
JSValue* JSMouseEvent::getValueProperty(ExecState* exec, int token) const
{
switch (token) {
case ScreenXAttrNum: {
MouseEvent* imp = static_cast<MouseEvent*>(impl());
return jsNumber(imp->screenX());
}
case ScreenYAttrNum: {
MouseEvent* imp = static_cast<MouseEvent*>(impl());
return jsNumber(imp->screenY());
}
case ClientXAttrNum: {
MouseEvent* imp = static_cast<MouseEvent*>(impl());
return jsNumber(imp->clientX());
}
case ClientYAttrNum: {
MouseEvent* imp = static_cast<MouseEvent*>(impl());
return jsNumber(imp->clientY());
}
case CtrlKeyAttrNum: {
MouseEvent* imp = static_cast<MouseEvent*>(impl());
return jsBoolean(imp->ctrlKey());
}
case ShiftKeyAttrNum: {
MouseEvent* imp = static_cast<MouseEvent*>(impl());
return jsBoolean(imp->shiftKey());
}
case AltKeyAttrNum: {
MouseEvent* imp = static_cast<MouseEvent*>(impl());
return jsBoolean(imp->altKey());
}
case MetaKeyAttrNum: {
MouseEvent* imp = static_cast<MouseEvent*>(impl());
return jsBoolean(imp->metaKey());
}
case ButtonAttrNum: {
MouseEvent* imp = static_cast<MouseEvent*>(impl());
return jsNumber(imp->button());
}
case RelatedTargetAttrNum: {
MouseEvent* imp = static_cast<MouseEvent*>(impl());
return toJS(exec, WTF::getPtr(imp->relatedTarget()));
}
case OffsetXAttrNum: {
MouseEvent* imp = static_cast<MouseEvent*>(impl());
return jsNumber(imp->offsetX());
}
case OffsetYAttrNum: {
MouseEvent* imp = static_cast<MouseEvent*>(impl());
return jsNumber(imp->offsetY());
}
case XAttrNum: {
MouseEvent* imp = static_cast<MouseEvent*>(impl());
return jsNumber(imp->x());
}
case YAttrNum: {
MouseEvent* imp = static_cast<MouseEvent*>(impl());
return jsNumber(imp->y());
}
case FromElementAttrNum: {
MouseEvent* imp = static_cast<MouseEvent*>(impl());
return toJS(exec, WTF::getPtr(imp->fromElement()));
}
case ToElementAttrNum: {
MouseEvent* imp = static_cast<MouseEvent*>(impl());
return toJS(exec, WTF::getPtr(imp->toElement()));
}
case DataTransferAttrNum: {
MouseEvent* imp = static_cast<MouseEvent*>(impl());
return toJS(exec, WTF::getPtr(imp->dataTransfer()));
}
}
return 0;
}
static v8::Handle<v8::Value> offsetYAttrGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
INC_STATS("DOM.MouseEvent.offsetY._get");
MouseEvent* imp = V8MouseEvent::toNative(info.Holder());
return v8::Integer::New(imp->offsetY());
}
void HTMLSelectElement::listBoxDefaultEventHandler(Event* evt)
{
if (evt->type() == eventNames().mousedownEvent && evt->isMouseEvent() && static_cast<MouseEvent*>(evt)->button() == LeftButton) {
focus();
MouseEvent* mEvt = static_cast<MouseEvent*>(evt);
int listIndex = static_cast<RenderListBox*>(renderer())->listIndexAtOffset(mEvt->offsetX(), mEvt->offsetY());
if (listIndex >= 0) {
// Save the selection so it can be compared to the new selection when we call onChange during mouseup, or after autoscroll finishes.
saveLastSelection();
m_activeSelectionState = true;
bool multiSelectKeyPressed = false;
#if PLATFORM(MAC)
multiSelectKeyPressed = mEvt->metaKey();
#else
multiSelectKeyPressed = mEvt->ctrlKey();
#endif
bool shiftSelect = multiple() && mEvt->shiftKey();
bool multiSelect = multiple() && multiSelectKeyPressed && !mEvt->shiftKey();
HTMLElement* clickedElement = listItems()[listIndex];
HTMLOptionElement* option = 0;
if (clickedElement->hasLocalName(optionTag)) {
option = static_cast<HTMLOptionElement*>(clickedElement);
// Keep track of whether an active selection (like during drag selection), should select or deselect
if (option->selected() && multiSelectKeyPressed)
m_activeSelectionState = false;
if (!m_activeSelectionState)
option->setSelectedState(false);
}
// If we're not in any special multiple selection mode, then deselect all other items, excluding the clicked option.
// If no option was clicked, then this will deselect all items in the list.
if (!shiftSelect && !multiSelect)
deselectItems(option);
// If the anchor hasn't been set, and we're doing a single selection or a shift selection, then initialize the anchor to the first selected index.
if (m_activeSelectionAnchorIndex < 0 && !multiSelect)
setActiveSelectionAnchorIndex(selectedIndex());
// Set the selection state of the clicked option
if (option && !option->disabled())
option->setSelectedState(true);
// If there was no selectedIndex() for the previous initialization, or
// If we're doing a single selection, or a multiple selection (using cmd or ctrl), then initialize the anchor index to the listIndex that just got clicked.
if (listIndex >= 0 && (m_activeSelectionAnchorIndex < 0 || !shiftSelect))
setActiveSelectionAnchorIndex(listIndex);
setActiveSelectionEndIndex(listIndex);
updateListBoxSelection(!multiSelect);
if (Frame* frame = document()->frame())
frame->eventHandler()->setMouseDownMayStartAutoscroll();
evt->setDefaultHandled();
}
} else if (evt->type() == eventNames().mouseupEvent && evt->isMouseEvent() && static_cast<MouseEvent*>(evt)->button() == LeftButton && document()->frame()->eventHandler()->autoscrollRenderer() != renderer())
// This makes sure we fire onChange for a single click. For drag selection, onChange will fire when the autoscroll timer stops.
listBoxOnChange();
else if (evt->type() == eventNames().keydownEvent) {
if (!evt->isKeyboardEvent())
return;
String keyIdentifier = static_cast<KeyboardEvent*>(evt)->keyIdentifier();
int endIndex = 0;
if (m_activeSelectionEndIndex < 0) {
// Initialize the end index
if (keyIdentifier == "Down")
endIndex = nextSelectableListIndex(lastSelectedListIndex());
else if (keyIdentifier == "Up")
endIndex = previousSelectableListIndex(optionToListIndex(selectedIndex()));
} else {
// Set the end index based on the current end index
if (keyIdentifier == "Down")
endIndex = nextSelectableListIndex(m_activeSelectionEndIndex);
else if (keyIdentifier == "Up")
endIndex = previousSelectableListIndex(m_activeSelectionEndIndex);
}
if (keyIdentifier == "Down" || keyIdentifier == "Up") {
// Save the selection so it can be compared to the new selection when we call onChange immediately after making the new selection.
saveLastSelection();
ASSERT(endIndex >= 0 && (unsigned)endIndex < listItems().size());
setActiveSelectionEndIndex(endIndex);
// If the anchor is unitialized, or if we're going to deselect all other options, then set the anchor index equal to the end index.
bool deselectOthers = !multiple() || !static_cast<KeyboardEvent*>(evt)->shiftKey();
if (m_activeSelectionAnchorIndex < 0 || deselectOthers) {
m_activeSelectionState = true;
if (deselectOthers)
deselectItems();
setActiveSelectionAnchorIndex(m_activeSelectionEndIndex);
}
static_cast<RenderListBox*>(renderer())->scrollToRevealElementAtListIndex(endIndex);
updateListBoxSelection(deselectOthers);
listBoxOnChange();
evt->setDefaultHandled();
}
} else if (evt->type() == eventNames().keypressEvent) {
if (!evt->isKeyboardEvent())
return;
int keyCode = static_cast<KeyboardEvent*>(evt)->keyCode();
if (keyCode == '\r') {
if (form())
form()->submitClick(evt);
evt->setDefaultHandled();
return;
}
}
}