1 : /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is Web Workers.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * The Mozilla Foundation.
19 : * Portions created by the Initial Developer are Copyright (C) 2011
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * Ben Turner <bent.mozilla@gmail.com> (Original Author)
24 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either the GNU General Public License Version 2 or later (the "GPL"), or
27 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 :
39 : #ifndef mozilla_dom_workers_eventtarget_h__
40 : #define mozilla_dom_workers_eventtarget_h__
41 :
42 : #include "jspubtd.h"
43 :
44 : #include "ListenerManager.h"
45 :
46 : BEGIN_WORKERS_NAMESPACE
47 :
48 : namespace events {
49 :
50 : // If you inherit this class then you need to add some way to compare the
51 : // JSClass for your subclass in EnsureObjectIsEventTarget().
52 : class EventTarget : public PrivatizableBase
53 : {
54 : ListenerManager mListenerManager;
55 :
56 : protected:
57 : EventTarget();
58 : ~EventTarget();
59 :
60 : void
61 0 : TraceInstance(JSTracer* aTrc)
62 : {
63 0 : mListenerManager.Trace(aTrc);
64 0 : }
65 :
66 : void
67 0 : FinalizeInstance(JSContext* aCx)
68 : {
69 0 : mListenerManager.Finalize(aCx);
70 0 : }
71 :
72 : bool
73 : GetEventListenerOnEventTarget(JSContext* aCx, const char* aType, jsval* aVp);
74 :
75 : bool
76 : SetEventListenerOnEventTarget(JSContext* aCx, const char* aType, jsval* aVp);
77 :
78 : public:
79 : static EventTarget*
80 : FromJSObject(JSObject* aObj);
81 :
82 : static JSBool
83 : AddEventListener(JSContext* aCx, unsigned aArgc, jsval* aVp);
84 :
85 : static JSBool
86 : RemoveEventListener(JSContext* aCx, unsigned aArgc, jsval* aVp);
87 :
88 : static JSBool
89 : DispatchEvent(JSContext* aCx, unsigned aArgc, jsval* aVp);
90 :
91 : bool
92 0 : HasListeners()
93 : {
94 0 : return mListenerManager.HasListeners();
95 : }
96 :
97 : bool
98 : HasListenersForType(JSContext* aCx, JSString* aType)
99 : {
100 : return mListenerManager.HasListenersForType(aCx, aType);
101 : }
102 : };
103 :
104 : JSObject*
105 : InitEventTargetClass(JSContext* aCx, JSObject* aGlobal, bool aMainRuntime);
106 :
107 : } // namespace events
108 :
109 : END_WORKERS_NAMESPACE
110 :
111 : #endif /* mozilla_dom_workers_eventtarget_h__ */
|