// Property access sequence is:
// (1) indexed properties,
// (2) regular own properties,
// (3) named properties (in fact, these shouldn't be on the window, should be on the NPO).
bool JSDOMWindow::getOwnPropertySlot(JSObject* object, ExecState* state, PropertyName propertyName, PropertySlot& slot)
{
// (1) First, indexed properties.
// Hand off all indexed access to getOwnPropertySlotByIndex, which supports the indexed getter.
if (Optional<unsigned> index = parseIndex(propertyName))
return getOwnPropertySlotByIndex(object, state, index.value(), slot);
auto* thisObject = jsCast<JSDOMWindow*>(object);
auto* frame = thisObject->wrapped().frame();
// Hand off all cross-domain/frameless access to jsDOMWindowGetOwnPropertySlotRestrictedAccess.
String errorMessage;
if (!frame || !BindingSecurity::shouldAllowAccessToDOMWindow(*state, thisObject->wrapped(), errorMessage))
return jsDOMWindowGetOwnPropertySlotRestrictedAccess(thisObject, frame, state, propertyName, slot, errorMessage);
// FIXME: this need more explanation.
// (Particularly, is it correct that this exists here but not in getOwnPropertySlotByIndex?)
slot.setWatchpointSet(thisObject->m_windowCloseWatchpoints);
// (2) Regular own properties.
PropertySlot slotCopy = slot;
if (Base::getOwnPropertySlot(thisObject, state, propertyName, slot)) {
// Detect when we're getting the property 'showModalDialog', this is disabled, and has its original value.
bool isShowModalDialogAndShouldHide = propertyName == state->propertyNames().showModalDialog
&& !DOMWindow::canShowModalDialog(frame)
&& slot.isValue() && isHostFunction(slot.getValue(state, propertyName), jsDOMWindowInstanceFunctionShowModalDialog);
// Unless we're in the showModalDialog special case, we're done.
if (!isShowModalDialogAndShouldHide)
return true;
slot = slotCopy;
}
#if ENABLE(USER_MESSAGE_HANDLERS)
if (propertyName == state->propertyNames().webkit && thisObject->wrapped().shouldHaveWebKitNamespaceForWorld(thisObject->world())) {
slot.setCacheableCustom(thisObject, DontDelete | ReadOnly, jsDOMWindowWebKit);
return true;
}
#endif
return false;
}
bool Arguments::getOwnPropertySlotVirtual(ExecState* exec, unsigned i, PropertySlot& slot)
{
return getOwnPropertySlotByIndex(this, exec, i, slot);
}
bool JSString::getOwnPropertySlotVirtual(ExecState* exec, unsigned propertyName, PropertySlot& slot)
{
return getOwnPropertySlotByIndex(this, exec, propertyName, slot);
}
bool JSCell::getOwnPropertySlotVirtual(ExecState* exec, unsigned identifier, PropertySlot& slot)
{
return getOwnPropertySlotByIndex(this, exec, identifier, slot);
}
bool RuntimeArray::getOwnPropertySlotVirtual(ExecState *exec, unsigned index, PropertySlot& slot)
{
return getOwnPropertySlotByIndex(this, exec, index, slot);
}
