C++ (Cpp) ExecutionContext::isWindowInteractionAllowed示例

示例#1

ScriptPromise ServiceWorkerClients::openWindow(ScriptState* scriptState,
                                               const String& url) {
  ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
  ScriptPromise promise = resolver->promise();
  ExecutionContext* context = scriptState->getExecutionContext();

  KURL parsedUrl = KURL(toWorkerGlobalScope(context)->location()->url(), url);
  if (!parsedUrl.isValid()) {
    resolver->reject(V8ThrowException::createTypeError(
        scriptState->isolate(), "'" + url + "' is not a valid URL."));
    return promise;
  }

  if (!context->getSecurityOrigin()->canDisplay(parsedUrl)) {
    resolver->reject(V8ThrowException::createTypeError(
        scriptState->isolate(),
        "'" + parsedUrl.elidedString() + "' cannot be opened."));
    return promise;
  }

  if (!context->isWindowInteractionAllowed()) {
    resolver->reject(DOMException::create(InvalidAccessError,
                                          "Not allowed to open a window."));
    return promise;
  }
  context->consumeWindowInteraction();

  ServiceWorkerGlobalScopeClient::from(context)->openWindow(
      parsedUrl, WTF::makeUnique<NavigateClientCallback>(resolver));
  return promise;
}