Issue #2197 - Part 2b: Implement StructuredSerializeOptions for Worker

Based on https://bugzilla.mozilla.org/show_bug.cgi?id=1502802

dom/webidl/DedicatedWorkerGlobalScope.webidl

@@ -16,7 +16,9 @@
  Exposed=DedicatedWorker]
 interface DedicatedWorkerGlobalScope : WorkerGlobalScope {
   [Throws]
-  void postMessage(any message, optional sequence<object> transfer = []);
+  void postMessage(any message, sequence<object> transfer);
+  [Throws]
+  void postMessage(any message, optional StructuredSerializeOptions options);
 
   attribute EventHandler onmessage;
 };

dom/webidl/Worker.webidl

@@ -19,7 +19,9 @@ interface Worker : EventTarget {
   void terminate();
 
   [Throws]
-  void postMessage(any message, optional sequence<object> transfer = []);
+  void postMessage(any message, sequence<object> transfer);
+  [Throws]
+  void postMessage(any message, optional StructuredSerializeOptions options);
 
   attribute EventHandler onmessage;
 };

dom/workers/SharedWorker.cpp

@@ -22,6 +22,7 @@
 using mozilla::dom::Optional;
 using mozilla::dom::Sequence;
 using mozilla::dom::MessagePort;
+using mozilla::dom::StructuredSerializeOptions;
 using namespace mozilla;
 
 USING_WORKERS_NAMESPACE
@@ -152,6 +153,15 @@ SharedWorker::PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
   mMessagePort->PostMessage(aCx, aMessage, aTransferable, aRv);
 }
 
+void
+SharedWorker::PostMessage(JSContext* aCx,
+                          JS::Handle<JS::Value> aMessage,
+                          const StructuredSerializeOptions& aOptions,
+                          ErrorResult& aRv)
+{
+  PostMessage(aCx, aMessage, aOptions.mTransfer, aRv);
+}
+
 NS_IMPL_ADDREF_INHERITED(SharedWorker, DOMEventTargetHelper)
 NS_IMPL_RELEASE_INHERITED(SharedWorker, DOMEventTargetHelper)
 

dom/workers/SharedWorker.h

@@ -98,6 +98,12 @@ private:
               JS::Handle<JS::Value> aMessage,
               const Sequence<JSObject*>& aTransferable,
               ErrorResult& aRv);
+
+  void
+  PostMessage(JSContext* aCx,
+              JS::Handle<JS::Value> aMessage,
+              const StructuredSerializeOptions& aOptions,
+              ErrorResult& aRv);
 };
 
 END_WORKERS_NAMESPACE

dom/workers/WorkerPrivate.cpp

@@ -3079,6 +3079,17 @@ WorkerPrivateParent<Derived>::PostMessage(
   PostMessageInternal(aCx, aMessage, aTransferable, nullptr, nullptr, aRv);
 }
 
+template <class Derived>
+void
+WorkerPrivateParent<Derived>::PostMessage(
+                             JSContext* aCx,
+                             JS::Handle<JS::Value> aMessage,
+                             const StructuredSerializeOptions& aOptions,
+                             ErrorResult& aRv)
+{
+  PostMessageInternal(aCx, aMessage, aOptions.mTransfer, nullptr, nullptr, aRv);
+}
+
 template <class Derived>
 void
 WorkerPrivateParent<Derived>::PostMessageToServiceWorker(

dom/workers/WorkerPrivate.h

@@ -68,6 +68,7 @@ class PromiseNativeHandler;
 class StructuredCloneHolder;
 class WorkerDebuggerGlobalScope;
 class WorkerGlobalScope;
+struct StructuredSerializeOptions;
 } // namespace dom
 namespace ipc {
 class PrincipalInfo;
@@ -403,6 +404,12 @@ public:
               const Sequence<JSObject*>& aTransferable,
               ErrorResult& aRv);
 
+  void
+  PostMessage(JSContext* aCx,
+              JS::Handle<JS::Value> aMessage,
+              const StructuredSerializeOptions& aOptions,
+              ErrorResult& aRv);
+
   void
   PostMessageToServiceWorker(JSContext* aCx, JS::Handle<JS::Value> aMessage,
                              const Sequence<JSObject*>& aTransferable,

dom/workers/WorkerScope.cpp

@@ -542,6 +542,15 @@ DedicatedWorkerGlobalScope::PostMessage(JSContext* aCx,
   mWorkerPrivate->PostMessageToParent(aCx, aMessage, aTransferable, aRv);
 }
 
+void
+DedicatedWorkerGlobalScope::PostMessage(JSContext* aCx,
+                                        JS::Handle<JS::Value> aMessage,
+                                        const StructuredSerializeOptions& aOptions,
+                                        ErrorResult& aRv)
+{
+  PostMessage(aCx, aMessage, aOptions.mTransfer, aRv);
+}
+
 SharedWorkerGlobalScope::SharedWorkerGlobalScope(WorkerPrivate* aWorkerPrivate,
                                                  const nsCString& aName)
 : WorkerGlobalScope(aWorkerPrivate), mName(aName)

dom/workers/WorkerScope.h

@@ -24,6 +24,7 @@ class Function;
 class IDBFactory;
 enum class ImageBitmapFormat : uint32_t;
 class Performance;
+struct StructuredSerializeOptions;
 class Promise;
 class RequestOrUSVString;
 class ServiceWorkerRegistration;
@@ -218,6 +219,12 @@ public:
               const Sequence<JSObject*>& aTransferable,
               ErrorResult& aRv);
 
+  void
+  PostMessage(JSContext* aCx,
+              JS::Handle<JS::Value> aMessage,
+              const StructuredSerializeOptions& aOptions,
+              ErrorResult& aRv);
+
   IMPL_EVENT_HANDLER(message)
 };