1 files changed, 123 insertions, 0 deletions
diff --git a/dom/serviceworkers/ServiceWorker.h b/dom/serviceworkers/ServiceWorker.h
new file mode 100644
index 0000000000..b407865753
--- /dev/null
+++ b/dom/serviceworkers/ServiceWorker.h
@@ -0,0 +1,123 @@
+/* -*- 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/. */
+
+#ifndef mozilla_dom_serviceworker_h__
+#define mozilla_dom_serviceworker_h__
+
+#include "mozilla/DOMEventTargetHelper.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/dom/ServiceWorkerDescriptor.h"
+#include "mozilla/dom/ServiceWorkerUtils.h"
+
+#ifdef XP_WIN
+#  undef PostMessage
+#endif
+
+class nsIGlobalObject;
+
+namespace mozilla {
+namespace dom {
+
+struct PostMessageOptions;
+class ServiceWorkerCloneData;
+
+#define NS_DOM_SERVICEWORKER_IID                     \
+  {                                                  \
+    0xd42e0611, 0x3647, 0x4319, {                    \
+      0xae, 0x05, 0x19, 0x89, 0x59, 0xba, 0x99, 0x5e \
+    }                                                \
+  }
+
+bool ServiceWorkerVisible(JSContext* aCx, JSObject* aObj);
+
+class ServiceWorker final : public DOMEventTargetHelper {
+ public:
+  // Abstract interface for the internal representation of the
+  // ServiceWorker object.
+  class Inner {
+   public:
+    // This will be called when a DOM ServiceWorker object is
+    // created and takes a strong ref to the Inner object.
+    // RemoveServiceWorker() is guaranteed to be called on the
+    // current thread before the ServiceWorker is destroyed.
+    //
+    // In addition, the Inner object should check to see if
+    // the ServiceWorker's state is correct.  If not, it should
+    // be updated automatically by calling SetState().  This is
+    // necessary to handle race conditions where the DOM
+    // ServiceWorker object is created while the state is being
+    // updated in another process.
+    virtual void AddServiceWorker(ServiceWorker* aWorker) = 0;
+
+    // This is called when the DOM ServiceWorker object is
+    // destroyed and drops its ref to the Inner object.
+    virtual void RemoveServiceWorker(ServiceWorker* aWorker) = 0;
+
+    // Get the associated registration for this ServiceWorker.  The success
+    // callback should always be called asynchronously.
+    virtual void GetRegistration(ServiceWorkerRegistrationCallback&& aSuccessCB,
+                                 ServiceWorkerFailureCallback&& aFailureCB) = 0;
+
+    virtual void PostMessage(RefPtr<ServiceWorkerCloneData>&& aData,
+                             const ClientInfo& aClientInfo,
+                             const ClientState& aClientState) = 0;
+
+    NS_INLINE_DECL_PURE_VIRTUAL_REFCOUNTING
+  };
+
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_DOM_SERVICEWORKER_IID)
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ServiceWorker, DOMEventTargetHelper)
+
+  IMPL_EVENT_HANDLER(statechange)
+  IMPL_EVENT_HANDLER(error)
+
+  static already_AddRefed<ServiceWorker> Create(
+      nsIGlobalObject* aOwner, const ServiceWorkerDescriptor& aDescriptor);
+
+  virtual JSObject* WrapObject(JSContext* aCx,
+                               JS::Handle<JSObject*> aGivenProto) override;
+
+  ServiceWorkerState State() const;
+
+  void SetState(ServiceWorkerState aState);
+
+  void MaybeDispatchStateChangeEvent();
+
+  void GetScriptURL(nsString& aURL) const;
+
+  void PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
+                   const Sequence<JSObject*>& aTransferable, ErrorResult& aRv);
+
+  void PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
+                   const PostMessageOptions& aOptions, ErrorResult& aRv);
+
+  const ServiceWorkerDescriptor& Descriptor() const;
+
+  void DisconnectFromOwner() override;
+
+ private:
+  ServiceWorker(nsIGlobalObject* aWindow,
+                const ServiceWorkerDescriptor& aDescriptor, Inner* aInner);
+
+  // This class is reference-counted and will be destroyed from Release().
+  ~ServiceWorker();
+
+  void MaybeAttachToRegistration(ServiceWorkerRegistration* aRegistration);
+
+  ServiceWorkerDescriptor mDescriptor;
+
+  RefPtr<Inner> mInner;
+  RefPtr<ServiceWorkerRegistration> mRegistration;
+  ServiceWorkerState mLastNotifiedState;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(ServiceWorker, NS_DOM_SERVICEWORKER_IID)
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // mozilla_dom_serviceworker_h__