summaryrefslogtreecommitdiffstats
path: root/dom/payments/PaymentRequestService.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'dom/payments/PaymentRequestService.cpp')
-rw-r--r--dom/payments/PaymentRequestService.cpp606
1 files changed, 606 insertions, 0 deletions
diff --git a/dom/payments/PaymentRequestService.cpp b/dom/payments/PaymentRequestService.cpp
new file mode 100644
index 0000000000..3de2cba226
--- /dev/null
+++ b/dom/payments/PaymentRequestService.cpp
@@ -0,0 +1,606 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "BasicCardPayment.h"
+#include "mozilla/ClearOnShutdown.h"
+#include "mozilla/dom/BasicCardPaymentBinding.h"
+#include "mozilla/dom/PaymentRequestParent.h"
+#include "nsArrayUtils.h"
+#include "nsComponentManagerUtils.h"
+#include "nsCOMPtr.h"
+#include "nsIMutableArray.h"
+#include "nsServiceManagerUtils.h"
+#include "nsSimpleEnumerator.h"
+#include "PaymentRequestService.h"
+
+namespace mozilla::dom {
+
+StaticRefPtr<PaymentRequestService> gPaymentService;
+
+namespace {
+
+class PaymentRequestEnumerator final : public nsSimpleEnumerator {
+ public:
+ NS_DECL_NSISIMPLEENUMERATOR
+
+ PaymentRequestEnumerator() : mIndex(0) {}
+
+ const nsID& DefaultInterface() override {
+ return NS_GET_IID(nsIPaymentRequest);
+ }
+
+ private:
+ ~PaymentRequestEnumerator() override = default;
+ uint32_t mIndex;
+};
+
+NS_IMETHODIMP
+PaymentRequestEnumerator::HasMoreElements(bool* aReturn) {
+ NS_ENSURE_ARG_POINTER(aReturn);
+ *aReturn = false;
+ if (NS_WARN_IF(!gPaymentService)) {
+ return NS_ERROR_FAILURE;
+ }
+ RefPtr<PaymentRequestService> service = gPaymentService;
+ *aReturn = mIndex < service->NumPayments();
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PaymentRequestEnumerator::GetNext(nsISupports** aItem) {
+ NS_ENSURE_ARG_POINTER(aItem);
+ if (NS_WARN_IF(!gPaymentService)) {
+ return NS_ERROR_FAILURE;
+ }
+ RefPtr<payments::PaymentRequest> rowRequest =
+ gPaymentService->GetPaymentRequestByIndex(mIndex);
+ if (!rowRequest) {
+ return NS_ERROR_FAILURE;
+ }
+ mIndex++;
+ rowRequest.forget(aItem);
+ return NS_OK;
+}
+
+} // end of anonymous namespace
+
+/* PaymentRequestService */
+
+NS_IMPL_ISUPPORTS(PaymentRequestService, nsIPaymentRequestService)
+
+already_AddRefed<PaymentRequestService> PaymentRequestService::GetSingleton() {
+ MOZ_ASSERT(NS_IsMainThread());
+ if (!gPaymentService) {
+ gPaymentService = new PaymentRequestService();
+ ClearOnShutdown(&gPaymentService);
+ }
+ RefPtr<PaymentRequestService> service = gPaymentService;
+ return service.forget();
+}
+
+uint32_t PaymentRequestService::NumPayments() const {
+ return mRequestQueue.Length();
+}
+
+already_AddRefed<payments::PaymentRequest>
+PaymentRequestService::GetPaymentRequestByIndex(const uint32_t aIndex) {
+ if (aIndex >= mRequestQueue.Length()) {
+ return nullptr;
+ }
+ RefPtr<payments::PaymentRequest> request = mRequestQueue[aIndex];
+ MOZ_ASSERT(request);
+ return request.forget();
+}
+
+NS_IMETHODIMP
+PaymentRequestService::GetPaymentRequestById(const nsAString& aRequestId,
+ nsIPaymentRequest** aRequest) {
+ NS_ENSURE_ARG_POINTER(aRequest);
+ *aRequest = nullptr;
+ RefPtr<payments::PaymentRequest> rowRequest;
+ nsresult rv = GetPaymentRequestById(aRequestId, getter_AddRefs(rowRequest));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ rowRequest.forget(aRequest);
+ return NS_OK;
+}
+
+nsresult PaymentRequestService::GetPaymentRequestById(
+ const nsAString& aRequestId, payments::PaymentRequest** aRequest) {
+ NS_ENSURE_ARG_POINTER(aRequest);
+ *aRequest = nullptr;
+ uint32_t numRequests = mRequestQueue.Length();
+ for (uint32_t index = 0; index < numRequests; ++index) {
+ RefPtr<payments::PaymentRequest> request = mRequestQueue[index];
+ MOZ_ASSERT(request);
+ nsAutoString requestId;
+ nsresult rv = request->GetRequestId(requestId);
+ NS_ENSURE_SUCCESS(rv, rv);
+ if (requestId == aRequestId) {
+ request.forget(aRequest);
+ break;
+ }
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PaymentRequestService::Enumerate(nsISimpleEnumerator** aEnumerator) {
+ NS_ENSURE_ARG_POINTER(aEnumerator);
+ nsCOMPtr<nsISimpleEnumerator> enumerator = new PaymentRequestEnumerator();
+ enumerator.forget(aEnumerator);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PaymentRequestService::Cleanup() {
+ mRequestQueue.Clear();
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PaymentRequestService::SetTestingUIService(nsIPaymentUIService* aUIService) {
+ // aUIService can be nullptr
+ mTestingUIService = aUIService;
+ return NS_OK;
+}
+
+nsresult PaymentRequestService::LaunchUIAction(const nsAString& aRequestId,
+ uint32_t aActionType) {
+ nsCOMPtr<nsIPaymentUIService> uiService;
+ nsresult rv;
+ if (mTestingUIService) {
+ uiService = mTestingUIService;
+ } else {
+ uiService = do_GetService(NS_PAYMENT_UI_SERVICE_CONTRACT_ID, &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ }
+ switch (aActionType) {
+ case IPCPaymentActionRequest::TIPCPaymentShowActionRequest: {
+ rv = uiService->ShowPayment(aRequestId);
+ break;
+ }
+ case IPCPaymentActionRequest::TIPCPaymentAbortActionRequest: {
+ rv = uiService->AbortPayment(aRequestId);
+ break;
+ }
+ case IPCPaymentActionRequest::TIPCPaymentCompleteActionRequest: {
+ rv = uiService->CompletePayment(aRequestId);
+ break;
+ }
+ case IPCPaymentActionRequest::TIPCPaymentUpdateActionRequest: {
+ rv = uiService->UpdatePayment(aRequestId);
+ break;
+ }
+ case IPCPaymentActionRequest::TIPCPaymentCloseActionRequest: {
+ rv = uiService->ClosePayment(aRequestId);
+ break;
+ }
+ default: {
+ return NS_ERROR_FAILURE;
+ }
+ }
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ return NS_OK;
+}
+
+nsresult PaymentRequestService::RequestPayment(
+ const nsAString& aRequestId, const IPCPaymentActionRequest& aAction,
+ PaymentRequestParent* aIPC) {
+ NS_ENSURE_ARG_POINTER(aIPC);
+
+ nsresult rv = NS_OK;
+ uint32_t type = aAction.type();
+
+ RefPtr<payments::PaymentRequest> request;
+ if (type != IPCPaymentActionRequest::TIPCPaymentCreateActionRequest) {
+ rv = GetPaymentRequestById(aRequestId, getter_AddRefs(request));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ if (!request &&
+ type != IPCPaymentActionRequest::TIPCPaymentCloseActionRequest) {
+ return NS_ERROR_FAILURE;
+ }
+ if (request) {
+ request->SetIPC(aIPC);
+ }
+ }
+
+ switch (type) {
+ case IPCPaymentActionRequest::TIPCPaymentCreateActionRequest: {
+ MOZ_ASSERT(!request);
+ const IPCPaymentCreateActionRequest& action = aAction;
+ nsCOMPtr<nsIMutableArray> methodData =
+ do_CreateInstance(NS_ARRAY_CONTRACTID);
+ MOZ_ASSERT(methodData);
+ for (IPCPaymentMethodData data : action.methodData()) {
+ nsCOMPtr<nsIPaymentMethodData> method;
+ rv = payments::PaymentMethodData::Create(data, getter_AddRefs(method));
+ NS_ENSURE_SUCCESS(rv, rv);
+ rv = methodData->AppendElement(method);
+ NS_ENSURE_SUCCESS(rv, rv);
+ }
+ nsCOMPtr<nsIPaymentDetails> details;
+ rv = payments::PaymentDetails::Create(action.details(),
+ getter_AddRefs(details));
+ NS_ENSURE_SUCCESS(rv, rv);
+ nsCOMPtr<nsIPaymentOptions> options;
+ rv = payments::PaymentOptions::Create(action.options(),
+ getter_AddRefs(options));
+ NS_ENSURE_SUCCESS(rv, rv);
+ RefPtr<payments::PaymentRequest> request = new payments::PaymentRequest(
+ action.topOuterWindowId(), aRequestId, action.topLevelPrincipal(),
+ methodData, details, options, action.shippingOption());
+
+ if (!mRequestQueue.AppendElement(request, mozilla::fallible)) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+ break;
+ }
+ case IPCPaymentActionRequest::TIPCPaymentCanMakeActionRequest: {
+ nsCOMPtr<nsIPaymentCanMakeActionResponse> canMakeResponse =
+ do_CreateInstance(NS_PAYMENT_CANMAKE_ACTION_RESPONSE_CONTRACT_ID);
+ MOZ_ASSERT(canMakeResponse);
+ rv = canMakeResponse->Init(aRequestId, CanMakePayment(aRequestId));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ rv = RespondPayment(canMakeResponse.get());
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ break;
+ }
+ case IPCPaymentActionRequest::TIPCPaymentShowActionRequest: {
+ const IPCPaymentShowActionRequest& action = aAction;
+ rv = ShowPayment(aRequestId, action.isUpdating());
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ break;
+ }
+ case IPCPaymentActionRequest::TIPCPaymentAbortActionRequest: {
+ MOZ_ASSERT(request);
+ request->SetState(payments::PaymentRequest::eInteractive);
+ rv = LaunchUIAction(aRequestId, type);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ break;
+ }
+ case IPCPaymentActionRequest::TIPCPaymentCompleteActionRequest: {
+ MOZ_ASSERT(request);
+ const IPCPaymentCompleteActionRequest& action = aAction;
+ request->SetCompleteStatus(action.completeStatus());
+ rv = LaunchUIAction(aRequestId, type);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ break;
+ }
+ case IPCPaymentActionRequest::TIPCPaymentUpdateActionRequest: {
+ const IPCPaymentUpdateActionRequest& action = aAction;
+ nsCOMPtr<nsIPaymentDetails> details;
+ rv = payments::PaymentDetails::Create(action.details(),
+ getter_AddRefs(details));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ MOZ_ASSERT(request);
+ rv = request->UpdatePaymentDetails(details, action.shippingOption());
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ nsAutoString completeStatus;
+ rv = request->GetCompleteStatus(completeStatus);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ if (completeStatus.Equals(u"initial"_ns)) {
+ request->SetCompleteStatus(u""_ns);
+ }
+ MOZ_ASSERT(mShowingRequest && mShowingRequest == request);
+ rv = LaunchUIAction(aRequestId, type);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ break;
+ }
+ case IPCPaymentActionRequest::TIPCPaymentCloseActionRequest: {
+ rv = LaunchUIAction(aRequestId, type);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ if (mShowingRequest == request) {
+ mShowingRequest = nullptr;
+ }
+ mRequestQueue.RemoveElement(request);
+ break;
+ }
+ case IPCPaymentActionRequest::TIPCPaymentRetryActionRequest: {
+ const IPCPaymentRetryActionRequest& action = aAction;
+ MOZ_ASSERT(request);
+ request->UpdateErrors(action.error(), action.payerErrors(),
+ action.paymentMethodErrors(),
+ action.shippingAddressErrors());
+ request->SetState(payments::PaymentRequest::eInteractive);
+ MOZ_ASSERT(mShowingRequest == request);
+ rv = LaunchUIAction(
+ aRequestId, IPCPaymentActionRequest::TIPCPaymentUpdateActionRequest);
+ break;
+ }
+ default: {
+ return NS_ERROR_FAILURE;
+ }
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PaymentRequestService::RespondPayment(nsIPaymentActionResponse* aResponse) {
+ NS_ENSURE_ARG_POINTER(aResponse);
+ nsAutoString requestId;
+ nsresult rv = aResponse->GetRequestId(requestId);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ RefPtr<payments::PaymentRequest> request;
+ rv = GetPaymentRequestById(requestId, getter_AddRefs(request));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ if (!request) {
+ return NS_ERROR_FAILURE;
+ }
+ uint32_t type;
+ rv = aResponse->GetType(&type);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // PaymentRequest can only be responded when
+ // 1. the state is eInteractive
+ // 2. the state is eClosed and response type is COMPLETE_ACTION
+ // 3. the state is eCreated and response type is CANMAKE_ACTION
+ payments::PaymentRequest::eState state = request->GetState();
+ bool canBeResponded = (state == payments::PaymentRequest::eInteractive) ||
+ (state == payments::PaymentRequest::eClosed &&
+ type == nsIPaymentActionResponse::COMPLETE_ACTION) ||
+ (state == payments::PaymentRequest::eCreated &&
+ type == nsIPaymentActionResponse::CANMAKE_ACTION);
+ if (!canBeResponded) {
+ return NS_ERROR_FAILURE;
+ }
+
+ if (!request->GetIPC()) {
+ return NS_ERROR_FAILURE;
+ }
+ rv = request->GetIPC()->RespondPayment(aResponse);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ // Remove PaymentRequest from mRequestQueue while receive succeeded abort
+ // response or complete response
+ switch (type) {
+ case nsIPaymentActionResponse::ABORT_ACTION: {
+ nsCOMPtr<nsIPaymentAbortActionResponse> response =
+ do_QueryInterface(aResponse);
+ MOZ_ASSERT(response);
+ bool isSucceeded;
+ rv = response->IsSucceeded(&isSucceeded);
+ NS_ENSURE_SUCCESS(rv, rv);
+ mShowingRequest = nullptr;
+ if (isSucceeded) {
+ mRequestQueue.RemoveElement(request);
+ request->SetState(payments::PaymentRequest::eClosed);
+ }
+ break;
+ }
+ case nsIPaymentActionResponse::SHOW_ACTION: {
+ request->SetState(payments::PaymentRequest::eClosed);
+ nsCOMPtr<nsIPaymentShowActionResponse> response =
+ do_QueryInterface(aResponse);
+ MOZ_ASSERT(response);
+ uint32_t acceptStatus;
+ rv = response->GetAcceptStatus(&acceptStatus);
+ NS_ENSURE_SUCCESS(rv, rv);
+ if (acceptStatus != nsIPaymentActionResponse::PAYMENT_ACCEPTED) {
+ // Check if rejecting the showing PaymentRequest.
+ // If yes, set mShowingRequest as nullptr.
+ if (mShowingRequest == request) {
+ mShowingRequest = nullptr;
+ }
+ mRequestQueue.RemoveElement(request);
+ }
+ break;
+ }
+ case nsIPaymentActionResponse::COMPLETE_ACTION: {
+ mShowingRequest = nullptr;
+ mRequestQueue.RemoveElement(request);
+ break;
+ }
+ default: {
+ break;
+ }
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PaymentRequestService::ChangeShippingAddress(const nsAString& aRequestId,
+ nsIPaymentAddress* aAddress) {
+ RefPtr<payments::PaymentRequest> request;
+ nsresult rv = GetPaymentRequestById(aRequestId, getter_AddRefs(request));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ if (!request) {
+ return NS_ERROR_FAILURE;
+ }
+ if (request->GetState() != payments::PaymentRequest::eInteractive) {
+ return NS_ERROR_FAILURE;
+ }
+ if (!request->GetIPC()) {
+ return NS_ERROR_FAILURE;
+ }
+ rv = request->GetIPC()->ChangeShippingAddress(aRequestId, aAddress);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PaymentRequestService::ChangeShippingOption(const nsAString& aRequestId,
+ const nsAString& aOption) {
+ RefPtr<payments::PaymentRequest> request;
+ nsresult rv = GetPaymentRequestById(aRequestId, getter_AddRefs(request));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ if (!request) {
+ return NS_ERROR_FAILURE;
+ }
+ if (request->GetState() != payments::PaymentRequest::eInteractive) {
+ return NS_ERROR_FAILURE;
+ }
+ if (!request->GetIPC()) {
+ return NS_ERROR_FAILURE;
+ }
+ rv = request->GetIPC()->ChangeShippingOption(aRequestId, aOption);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PaymentRequestService::ChangePayerDetail(const nsAString& aRequestId,
+ const nsAString& aPayerName,
+ const nsAString& aPayerEmail,
+ const nsAString& aPayerPhone) {
+ RefPtr<payments::PaymentRequest> request;
+ nsresult rv = GetPaymentRequestById(aRequestId, getter_AddRefs(request));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ MOZ_ASSERT(request);
+ if (!request->GetIPC()) {
+ return NS_ERROR_FAILURE;
+ }
+ rv = request->GetIPC()->ChangePayerDetail(aRequestId, aPayerName, aPayerEmail,
+ aPayerPhone);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PaymentRequestService::ChangePaymentMethod(
+ const nsAString& aRequestId, const nsAString& aMethodName,
+ nsIMethodChangeDetails* aMethodDetails) {
+ RefPtr<payments::PaymentRequest> request;
+ nsresult rv = GetPaymentRequestById(aRequestId, getter_AddRefs(request));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ if (!request) {
+ return NS_ERROR_FAILURE;
+ }
+ if (request->GetState() != payments::PaymentRequest::eInteractive) {
+ return NS_ERROR_FAILURE;
+ }
+ if (!request->GetIPC()) {
+ return NS_ERROR_FAILURE;
+ }
+ rv = request->GetIPC()->ChangePaymentMethod(aRequestId, aMethodName,
+ aMethodDetails);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ return NS_OK;
+}
+
+bool PaymentRequestService::CanMakePayment(const nsAString& aRequestId) {
+ /*
+ * TODO: Check third party payment app support by traversing all
+ * registered third party payment apps.
+ */
+ return IsBasicCardPayment(aRequestId);
+}
+
+nsresult PaymentRequestService::ShowPayment(const nsAString& aRequestId,
+ bool aIsUpdating) {
+ nsresult rv;
+ RefPtr<payments::PaymentRequest> request;
+ rv = GetPaymentRequestById(aRequestId, getter_AddRefs(request));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ MOZ_ASSERT(request);
+ request->SetState(payments::PaymentRequest::eInteractive);
+ if (aIsUpdating) {
+ request->SetCompleteStatus(u"initial"_ns);
+ }
+
+ if (mShowingRequest || !CanMakePayment(aRequestId)) {
+ uint32_t responseStatus;
+ if (mShowingRequest) {
+ responseStatus = nsIPaymentActionResponse::PAYMENT_REJECTED;
+ } else {
+ responseStatus = nsIPaymentActionResponse::PAYMENT_NOTSUPPORTED;
+ }
+ nsCOMPtr<nsIPaymentShowActionResponse> showResponse =
+ do_CreateInstance(NS_PAYMENT_SHOW_ACTION_RESPONSE_CONTRACT_ID);
+ MOZ_ASSERT(showResponse);
+ rv = showResponse->Init(aRequestId, responseStatus, u""_ns, nullptr, u""_ns,
+ u""_ns, u""_ns);
+ rv = RespondPayment(showResponse.get());
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ } else {
+ mShowingRequest = request;
+ rv = LaunchUIAction(aRequestId,
+ IPCPaymentActionRequest::TIPCPaymentShowActionRequest);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ }
+ return NS_OK;
+}
+
+bool PaymentRequestService::IsBasicCardPayment(const nsAString& aRequestId) {
+ RefPtr<payments::PaymentRequest> request;
+ nsresult rv = GetPaymentRequestById(aRequestId, getter_AddRefs(request));
+ NS_ENSURE_SUCCESS(rv, false);
+ nsCOMPtr<nsIArray> methods;
+ rv = request->GetPaymentMethods(getter_AddRefs(methods));
+ NS_ENSURE_SUCCESS(rv, false);
+ uint32_t length;
+ rv = methods->GetLength(&length);
+ NS_ENSURE_SUCCESS(rv, false);
+ RefPtr<BasicCardService> service = BasicCardService::GetService();
+ MOZ_ASSERT(service);
+ for (uint32_t index = 0; index < length; ++index) {
+ nsCOMPtr<nsIPaymentMethodData> method = do_QueryElementAt(methods, index);
+ MOZ_ASSERT(method);
+ nsAutoString supportedMethods;
+ rv = method->GetSupportedMethods(supportedMethods);
+ NS_ENSURE_SUCCESS(rv, false);
+ if (service->IsBasicCardPayment(supportedMethods)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+} // namespace mozilla::dom