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 "PlatformString.h"

    24 #include <JSDOMBinding.h>

    25 #include <runtime/JSCell.h>

    26 #include <runtime/Protect.h>

    27 #include <wtf/PassOwnPtr.h>

    28 #include <wtf/Vector.h>

    29 

    30 namespace JSC {

    31     class JSGlobalObject;

    32 }

    33 

    34 namespace WebCore {

    35 

    36     class Document;

    37     class ScriptExecutionContext;

    38     class WorkerContext;

    39 

    40    /* An action (either function or string) to be executed after a specified

    41     * time interval, either once or repeatedly. Used for window.setTimeout()

    42     * and window.setInterval()

    43     */

    44     class ScheduledAction : public Noncopyable {

    45     public:

    46         static PassOwnPtr<ScheduledAction> create(JSC::ExecState*, DOMWrapperWorld* isolatedWorld);

    47 

    48         void execute(ScriptExecutionContext*);

    49 

    50     private:

    51         ScheduledAction(JSC::ExecState*, JSC::JSValue function, DOMWrapperWorld* isolatedWorld);

    52         ScheduledAction(const String& code, DOMWrapperWorld* isolatedWorld)

    53             : m_code(code)

    54             , m_isolatedWorld(isolatedWorld)

    55         {

    56         }

    57 

    58         void executeFunctionInContext(JSC::JSGlobalObject*, JSC::JSValue thisValue, ScriptExecutionContext*);

    59         void execute(Document*);

    60 #if ENABLE(WORKERS)

    61         void execute(WorkerContext*);

    62 #endif

    63 

    64         JSC::ProtectedJSValue m_function;

    65         Vector<JSC::ProtectedJSValue> m_args;

    66         String m_code;

    67         RefPtr<DOMWrapperWorld> m_isolatedWorld;

    68     };

    69 

    70 } // namespace WebCore

    71 

    72 #endif // ScheduledAction_h