Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 69 insertions, 0 deletions

diff --git a/dom/webauthn/WebAuthnPromiseHolder.h b/dom/webauthn/WebAuthnPromiseHolder.h
new file mode 100644
index 0000000000..ca70fedb14
--- /dev/null
+++ b/dom/webauthn/WebAuthnPromiseHolder.h
@@ -0,0 +1,69 @@
+/* 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/. */
+
+#ifndef mozilla_dom_WebAuthnPromiseHolder_h
+#define mozilla_dom_WebAuthnPromiseHolder_h
+
+#include "mozilla/MozPromise.h"
+#include "nsIWebAuthnResult.h"
+#include "nsIWebAuthnPromise.h"
+#include "nsIThread.h"
+
+namespace mozilla::dom {
+
+/*
+ * WebAuthnRegisterPromiseHolder and WebAuthnSignPromiseHolder wrap a
+ * MozPromiseHolder with an XPCOM interface that allows the contained promise
+ * to be resolved, rejected, or disconnected safely from any thread.
+ *
+ * Calls to Resolve(), Reject(), and Disconnect() are dispatched to the serial
+ * event target with wich the promise holder was initialized. At most one of
+ * these calls will be processed; the first call to reach the event target
+ * wins. Once the promise is initialized with Ensure() the program MUST call
+ * at least one of Resolve(), Reject(), or Disconnect().
+ */
+
+using WebAuthnRegisterPromise =
+    MozPromise<RefPtr<nsIWebAuthnRegisterResult>, nsresult, true>;
+
+using WebAuthnSignPromise =
+    MozPromise<RefPtr<nsIWebAuthnSignResult>, nsresult, true>;
+
+class WebAuthnRegisterPromiseHolder final : public nsIWebAuthnRegisterPromise {
+ public:
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_NSIWEBAUTHNREGISTERPROMISE
+
+  explicit WebAuthnRegisterPromiseHolder(nsISerialEventTarget* aEventTarget)
+      : mEventTarget(aEventTarget) {}
+
+  already_AddRefed<WebAuthnRegisterPromise> Ensure();
+
+ private:
+  ~WebAuthnRegisterPromiseHolder() = default;
+
+  nsCOMPtr<nsISerialEventTarget> mEventTarget;
+  MozPromiseHolder<WebAuthnRegisterPromise> mRegisterPromise;
+};
+
+class WebAuthnSignPromiseHolder final : public nsIWebAuthnSignPromise {
+ public:
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_NSIWEBAUTHNSIGNPROMISE
+
+  explicit WebAuthnSignPromiseHolder(nsISerialEventTarget* aEventTarget)
+      : mEventTarget(aEventTarget) {}
+
+  already_AddRefed<WebAuthnSignPromise> Ensure();
+
+ private:
+  ~WebAuthnSignPromiseHolder() = default;
+
+  nsCOMPtr<nsISerialEventTarget> mEventTarget;
+  MozPromiseHolder<WebAuthnSignPromise> mSignPromise;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_WebAuthnPromiseHolder_h