js::DOMProxyShadowsResult
DOMProxyShadows(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id)
{
JS::Rooted<JSObject*> expando(cx, DOMProxyHandler::GetExpandoObject(proxy));
JS::Value v = js::GetProxyExtra(proxy, JSPROXYSLOT_EXPANDO);
bool isOverrideBuiltins = !v.isObject() && !v.isUndefined();
if (expando) {
bool hasOwn;
if (!JS_AlreadyHasOwnPropertyById(cx, expando, id, &hasOwn))
return js::ShadowCheckFailed;
if (hasOwn) {
return isOverrideBuiltins ?
js::ShadowsViaIndirectExpando : js::ShadowsViaDirectExpando;
}
}
if (!isOverrideBuiltins) {
// Our expando, if any, didn't shadow, so we're not shadowing at all.
return js::DoesntShadow;
}
bool hasOwn;
if (!GetProxyHandler(proxy)->hasOwn(cx, proxy, id, &hasOwn))
return js::ShadowCheckFailed;
return hasOwn ? js::Shadows : js::DoesntShadowUnique;
}
bool
DOMProxyHandler::delete_(JSContext* cx, JS::Handle<JSObject*> proxy,
JS::Handle<jsid> id, JS::ObjectOpResult &result) const
{
JS::Rooted<JSObject*> expando(cx);
if (!xpc::WrapperFactory::IsXrayWrapper(proxy) && (expando = GetExpandoObject(proxy))) {
return JS_DeletePropertyById(cx, expando, id, result);
}
return result.succeed();
}
bool
DOMProxyHandler::delete_(JSContext* cx, JS::Handle<JSObject*> proxy,
JS::Handle<jsid> id, bool* bp)
{
JS::Rooted<JSObject*> expando(cx);
if (!xpc::WrapperFactory::IsXrayWrapper(proxy) && (expando = GetExpandoObject(proxy))) {
return JS_DeletePropertyById2(cx, expando, id, bp);
}
*bp = true;
return true;
}
void AlarmView::init()
{
/* Create stuff! */
QFormLayout *mainL = new QFormLayout();
mainL->setSpacing(2);
mainL->setMargin(2);
mAlarmList = new QWrapListView();
mAlarmList->setSelectionMode(QListView::SingleSelection);
mAlarmList->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
//mAlarmList->setUniformItemSizes(true);
mAlarmList->setAlternatingRowColors(true);
mAlarmList->setItemDelegate(new TwoLevelDelegate(mAlarmList));
mAlarmList->setResizeMode(QListView::Adjust);
mAlarmList->setLayoutMode(QListView::Batched);
QSizePolicy expando(QSizePolicy::Expanding, QSizePolicy::Expanding);
expando.setVerticalStretch(1);
mAlarmList->setSizePolicy(expando);
mainL->addRow(mAlarmList);
mSnoozeButton = new QPushButton(tr("Snooze"));
mainL->addRow(mSnoozeButton);
mSnoozeChoices = new QComboBox();
mSnoozeChoices->clear();
mSnoozeChoices->addItem(tr("5 minutes"));
mSnoozeChoices->addItem(tr("10 minutes"));
mSnoozeChoices->addItem(tr("15 minutes"));
mSnoozeChoices->addItem(tr("30 minutes"));
mSnoozeChoices->addItem(tr("1 hour"));
mSnoozeChoices->addItem(tr("1 day"));
mSnoozeChoices->addItem(tr("1 week"));
mSnoozeChoices->addItem(tr("1 month"));
mainL->addRow(tr("Snooze delay:"), mSnoozeChoices);
setLayout(mainL);
mStandardModel = new QStandardItemModel(this);
mAlarmList->setModel(mStandardModel);
connect(mAlarmList->selectionModel(), SIGNAL(currentChanged(QModelIndex,QModelIndex)),
this, SLOT(currentAlarmChanged(QModelIndex)));
connect(mAlarmList, SIGNAL(activated(QModelIndex)), this, SLOT(alarmSelected(QModelIndex)));
connect(mSnoozeButton, SIGNAL(clicked()), this, SLOT(snoozeClicked()));
}
// static
JSObject*
DOMProxyHandler::EnsureExpandoObject(JSContext* cx, JS::Handle<JSObject*> obj)
{
NS_ASSERTION(IsDOMProxy(obj), "expected a DOM proxy object");
JS::Value v = js::GetProxyExtra(obj, JSPROXYSLOT_EXPANDO);
if (v.isObject()) {
return &v.toObject();
}
js::ExpandoAndGeneration* expandoAndGeneration;
if (!v.isUndefined()) {
expandoAndGeneration = static_cast<js::ExpandoAndGeneration*>(v.toPrivate());
if (expandoAndGeneration->expando.isObject()) {
return &expandoAndGeneration->expando.toObject();
}
} else {
expandoAndGeneration = nullptr;
}
JS::Rooted<JSObject*> expando(cx,
JS_NewObjectWithGivenProto(cx, nullptr, nullptr, js::GetObjectParent(obj)));
if (!expando) {
return nullptr;
}
nsISupports* native = UnwrapDOMObject<nsISupports>(obj);
nsWrapperCache* cache;
CallQueryInterface(native, &cache);
if (expandoAndGeneration) {
cache->PreserveWrapper(native);
expandoAndGeneration->expando.setObject(*expando);
return expando;
}
XPCWrappedNativeScope* scope = xpc::GetObjectScope(obj);
if (!scope->RegisterDOMExpandoObject(obj)) {
return nullptr;
}
cache->SetPreservingWrapper(true);
js::SetProxyExtra(obj, JSPROXYSLOT_EXPANDO, ObjectValue(*expando));
return expando;
}
bool
DOMProxyHandler::delete_(JSContext* cx, JS::Handle<JSObject*> proxy,
JS::Handle<jsid> id, bool* bp)
{
JSBool b = true;
JS::Rooted<JSObject*> expando(cx);
if (!xpc::WrapperFactory::IsXrayWrapper(proxy) && (expando = GetExpandoObject(proxy))) {
JS::Rooted<Value> v(cx);
if (!JS_DeletePropertyById2(cx, expando, id, v.address()) ||
!JS_ValueToBoolean(cx, v, &b)) {
return false;
}
}
*bp = !!b;
return true;
}
// static
JSObject* DOMProxyHandler::EnsureExpandoObject(JSContext* cx,
JS::Handle<JSObject*> obj) {
CheckDOMProxy(obj);
JS::Value v = js::GetProxyPrivate(obj);
if (v.isObject()) {
CheckExpandoObject(obj, v);
return &v.toObject();
}
js::ExpandoAndGeneration* expandoAndGeneration;
if (!v.isUndefined()) {
expandoAndGeneration =
static_cast<js::ExpandoAndGeneration*>(v.toPrivate());
CheckExpandoAndGeneration(obj, expandoAndGeneration);
if (expandoAndGeneration->expando.isObject()) {
return &expandoAndGeneration->expando.toObject();
}
} else {
expandoAndGeneration = nullptr;
}
JS::Rooted<JSObject*> expando(
cx, JS_NewObjectWithGivenProto(cx, nullptr, nullptr));
if (!expando) {
return nullptr;
}
nsISupports* native = UnwrapDOMObject<nsISupports>(obj);
nsWrapperCache* cache;
CallQueryInterface(native, &cache);
cache->PreserveWrapper(native);
if (expandoAndGeneration) {
expandoAndGeneration->expando.setObject(*expando);
return expando;
}
js::SetProxyPrivate(obj, ObjectValue(*expando));
return expando;
}
bool
DOMProxyHandler::defineProperty(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id,
Handle<PropertyDescriptor> desc,
JS::ObjectOpResult &result, bool *defined) const
{
if (xpc::WrapperFactory::IsXrayWrapper(proxy)) {
return result.succeed();
}
JS::Rooted<JSObject*> expando(cx, EnsureExpandoObject(cx, proxy));
if (!expando) {
return false;
}
if (!JS_DefinePropertyById(cx, expando, id, desc, result)) {
return false;
}
*defined = true;
return true;
}
