1/*
2 *  Copyright (C) 2000 Harri Porten (porten@kde.org)
3 *  Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reseved.
4 *
5 *  This library is free software; you can redistribute it and/or
6 *  modify it under the terms of the GNU Lesser General Public
7 *  License as published by the Free Software Foundation; either
8 *  version 2 of the License, or (at your option) any later version.
9 *
10 *  This library is distributed in the hope that it will be useful,
11 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 *  Lesser General Public License for more details.
14 *
15 *  You should have received a copy of the GNU Lesser General Public
16 *  License along with this library; if not, write to the Free Software
17 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
18 */
19
20#ifndef ScheduledAction_h
21#define ScheduledAction_h
22
23#include "JSDOMBinding.h"
24#include "PlatformString.h"
25#include <heap/Strong.h>
26#include <runtime/JSCell.h>
27#include <wtf/PassOwnPtr.h>
28#include <wtf/Vector.h>
29
30namespace JSC {
31    class JSGlobalObject;
32}
33
34namespace WebCore {
35
36    class Document;
37    class ContentSecurityPolicy;
38    class ScriptExecutionContext;
39    class WorkerContext;
40
41   /* An action (either function or string) to be executed after a specified
42    * time interval, either once or repeatedly. Used for window.setTimeout()
43    * and window.setInterval()
44    */
45    class ScheduledAction {
46        WTF_MAKE_NONCOPYABLE(ScheduledAction); WTF_MAKE_FAST_ALLOCATED;
47    public:
48        static PassOwnPtr<ScheduledAction> create(JSC::ExecState*, DOMWrapperWorld* isolatedWorld, ContentSecurityPolicy*);
49
50        void execute(ScriptExecutionContext*);
51
52    private:
53        ScheduledAction(JSC::ExecState*, JSC::JSValue function, DOMWrapperWorld* isolatedWorld);
54        ScheduledAction(const String& code, DOMWrapperWorld* isolatedWorld)
55            : m_function(*isolatedWorld->globalData())
56            , m_code(code)
57            , m_isolatedWorld(isolatedWorld)
58        {
59        }
60
61        void executeFunctionInContext(JSC::JSGlobalObject*, JSC::JSValue thisValue, ScriptExecutionContext*);
62        void execute(Document*);
63#if ENABLE(WORKERS)
64        void execute(WorkerContext*);
65#endif
66
67        JSC::Strong<JSC::Unknown> m_function;
68        Vector<JSC::Strong<JSC::Unknown> > m_args;
69        String m_code;
70        RefPtr<DOMWrapperWorld> m_isolatedWorld;
71    };
72
73} // namespace WebCore
74
75#endif // ScheduledAction_h
76