1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4  * License, v. 2.0. If a copy of the MPL was not distributed with this
5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 
7 #ifndef mozilla_dom_Worker_h
8 #define mozilla_dom_Worker_h
9 
10 #include "mozilla/Attributes.h"
11 #include "mozilla/DOMEventTargetHelper.h"
12 #include "mozilla/RefPtr.h"
13 #include "mozilla/WeakPtr.h"
14 
15 #ifdef XP_WIN
16 #undef PostMessage
17 #endif
18 
19 namespace mozilla {
20 namespace dom {
21 
22 struct WorkerOptions;
23 class WorkerPrivate;
24 
25 class Worker : public DOMEventTargetHelper, public SupportsWeakPtr<Worker> {
26  public:
27   NS_DECL_ISUPPORTS_INHERITED
28   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(Worker,
29                                                          DOMEventTargetHelper)
30   MOZ_DECLARE_WEAKREFERENCE_TYPENAME(Worker)
31 
32   static already_AddRefed<Worker> Constructor(const GlobalObject& aGlobal,
33                                               const nsAString& aScriptURL,
34                                               const WorkerOptions& aOptions,
35                                               ErrorResult& aRv);
36 
37   JSObject* WrapObject(JSContext* aCx,
38                        JS::Handle<JSObject*> aGivenProto) override;
39 
40   void PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
41                    const Sequence<JSObject*>& aTransferable, ErrorResult& aRv);
42 
43   void Terminate();
44 
45   IMPL_EVENT_HANDLER(error)
46   IMPL_EVENT_HANDLER(message)
47   IMPL_EVENT_HANDLER(messageerror)
48 
49  protected:
50   Worker(nsIGlobalObject* aGlobalObject,
51          already_AddRefed<WorkerPrivate> aWorkerPrivate);
52   ~Worker();
53 
54   RefPtr<WorkerPrivate> mWorkerPrivate;
55 };
56 
57 }  // namespace dom
58 }  // namespace mozilla
59 
60 #endif /* mozilla_dom_Worker_h */
61