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      1 /*
      2  *  Copyright (C) 2000 Harri Porten (porten (at) 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 "PlatformString.h"
     24 #include <JSDOMBinding.h>
     25 #include <runtime/JSCell.h>
     26 #include <runtime/Protect.h>
     27 #include <wtf/Vector.h>
     28 
     29 namespace JSC {
     30     class JSGlobalObject;
     31 }
     32 
     33 namespace WebCore {
     34 
     35     class Document;
     36     class ScriptExecutionContext;
     37     class WorkerContext;
     38 
     39    /* An action (either function or string) to be executed after a specified
     40     * time interval, either once or repeatedly. Used for window.setTimeout()
     41     * and window.setInterval()
     42     */
     43     class ScheduledAction : public Noncopyable {
     44     public:
     45         static ScheduledAction* create(JSC::ExecState*, const JSC::ArgList&, DOMWrapperWorld* isolatedWorld);
     46 
     47         void execute(ScriptExecutionContext*);
     48 
     49     private:
     50         ScheduledAction(JSC::JSValue function, const JSC::ArgList&, DOMWrapperWorld* isolatedWorld);
     51         ScheduledAction(const String& code, DOMWrapperWorld* isolatedWorld)
     52             : m_code(code)
     53             , m_isolatedWorld(isolatedWorld)
     54         {
     55         }
     56 
     57         void executeFunctionInContext(JSC::JSGlobalObject*, JSC::JSValue thisValue);
     58         void execute(Document*);
     59 #if ENABLE(WORKERS)
     60         void execute(WorkerContext*);
     61 #endif
     62 
     63         JSC::ProtectedJSValue m_function;
     64         Vector<JSC::ProtectedJSValue> m_args;
     65         String m_code;
     66         RefPtr<DOMWrapperWorld> m_isolatedWorld;
     67     };
     68 
     69 } // namespace WebCore
     70 
     71 #endif // ScheduledAction_h
     72