本文整理汇总了C++中NotificationCenter::requestPermission方法的典型用法代码示例。如果您正苦于以下问题:C++ NotificationCenter::requestPermission方法的具体用法?C++ NotificationCenter::requestPermission怎么用?C++ NotificationCenter::requestPermission使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类NotificationCenter
的用法示例。
在下文中一共展示了NotificationCenter::requestPermission方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: throwError
v8::Handle<v8::Value> V8NotificationCenter::requestPermissionCallback(const v8::Arguments& args)
{
INC_STATS(L"DOM.NotificationCenter.RequestPermission()");
NotificationCenter* notificationCenter = V8NotificationCenter::toNative(args.Holder());
ScriptExecutionContext* context = notificationCenter->context();
// Make sure that script execution context is valid.
if (!context)
return throwError(INVALID_STATE_ERR);
// Requesting permission is only valid from a page context.
if (context->isWorkerContext())
return throwError(NOT_SUPPORTED_ERR);
RefPtr<V8CustomVoidCallback> callback;
if (args.Length() > 0) {
if (!args[0]->IsObject())
return throwError("Callback must be of valid type.", V8Proxy::TypeError);
callback = V8CustomVoidCallback::create(args[0], context);
}
notificationCenter->requestPermission(callback.release());
return v8::Undefined();
}