1 files changed, 88 insertions, 0 deletions
diff --git a/dom/webauthn/WebAuthnPromiseHolder.cpp b/dom/webauthn/WebAuthnPromiseHolder.cpp
new file mode 100644
index 0000000000..60dff7f1c2
--- /dev/null
+++ b/dom/webauthn/WebAuthnPromiseHolder.cpp
@@ -0,0 +1,88 @@
+/* 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 "mozilla/AppShutdown.h"
+#include "WebAuthnPromiseHolder.h"
+
+namespace mozilla::dom {
+
+NS_IMPL_ISUPPORTS(WebAuthnRegisterPromiseHolder, nsIWebAuthnRegisterPromise);
+
+already_AddRefed<WebAuthnRegisterPromise>
+WebAuthnRegisterPromiseHolder::Ensure() {
+  return mRegisterPromise.Ensure(__func__);
+}
+
+NS_IMETHODIMP
+WebAuthnRegisterPromiseHolder::Resolve(nsIWebAuthnRegisterResult* aResult) {
+  if (AppShutdown::IsInOrBeyond(ShutdownPhase::XPCOMShutdownThreads)) {
+    return NS_ERROR_ILLEGAL_DURING_SHUTDOWN;
+  }
+
+  // Resolve the promise on its owning thread if Disconnect() has not been
+  // called.
+  RefPtr<nsIWebAuthnRegisterResult> result(aResult);
+  mEventTarget->Dispatch(NS_NewRunnableFunction(
+      "WebAuthnRegisterPromiseHolder::Resolve",
+      [self = RefPtr{this}, result]() {
+        self->mRegisterPromise.ResolveIfExists(result, __func__);
+      }));
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+WebAuthnRegisterPromiseHolder::Reject(nsresult aResult) {
+  if (AppShutdown::IsInOrBeyond(ShutdownPhase::XPCOMShutdownThreads)) {
+    return NS_ERROR_ILLEGAL_DURING_SHUTDOWN;
+  }
+
+  // Reject the promise on its owning thread if Disconnect() has not been
+  // called.
+  mEventTarget->Dispatch(NS_NewRunnableFunction(
+      "WebAuthnRegisterPromiseHolder::Reject",
+      [self = RefPtr{this}, aResult]() {
+        self->mRegisterPromise.RejectIfExists(aResult, __func__);
+      }));
+  return NS_OK;
+}
+
+NS_IMPL_ISUPPORTS(WebAuthnSignPromiseHolder, nsIWebAuthnSignPromise);
+
+already_AddRefed<WebAuthnSignPromise> WebAuthnSignPromiseHolder::Ensure() {
+  return mSignPromise.Ensure(__func__);
+}
+
+NS_IMETHODIMP
+WebAuthnSignPromiseHolder::Resolve(nsIWebAuthnSignResult* aResult) {
+  if (AppShutdown::IsInOrBeyond(ShutdownPhase::XPCOMShutdownThreads)) {
+    return NS_ERROR_ILLEGAL_DURING_SHUTDOWN;
+  }
+
+  // Resolve the promise on its owning thread if Disconnect() has not been
+  // called.
+  RefPtr<nsIWebAuthnSignResult> result(aResult);
+  mEventTarget->Dispatch(NS_NewRunnableFunction(
+      "WebAuthnSignPromiseHolder::Resolve", [self = RefPtr{this}, result]() {
+        self->mSignPromise.ResolveIfExists(result, __func__);
+      }));
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+WebAuthnSignPromiseHolder::Reject(nsresult aResult) {
+  if (AppShutdown::IsInOrBeyond(ShutdownPhase::XPCOMShutdownThreads)) {
+    return NS_ERROR_ILLEGAL_DURING_SHUTDOWN;
+  }
+
+  // Reject the promise on its owning thread if Disconnect() has not been
+  // called.
+  mEventTarget->Dispatch(NS_NewRunnableFunction(
+      "WebAuthnSignPromiseHolder::Reject", [self = RefPtr{this}, aResult]() {
+        self->mSignPromise.RejectIfExists(aResult, __func__);
+      }));
+
+  return NS_OK;
+}
+
+}  // namespace mozilla::dom