1 /*

     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 #ifndef __OOMSTOPPER_H__

    20 #define __OOMSTOPPER_H__

    21 

    22 #include <e32def.h>

    23 #include "MemoryManager.h"

    24 

    25 namespace WebCore {

    26 

    27 /*

    28  * This handles stopping things when OOM occurs, by stopping page loading.

    29  * The StopScheduler has two OOM modes, Normal and Emergency.  Normal mode 

    30  * calls all low priority stoppers.  Emergency mode calls all high priority stoppers.

    31  * (For some reason, emergency mode never seems to occur).   This stopper is low 

    32  * priority because we want to always stop page loading whenever OOM happens

    33  * (not just in emergency OOM situations).

    34  */

    35 class OOMStopper : public MOOMStopper

    36 {

    37 public:

    38     OOMStopper();

    39     virtual ~OOMStopper();

    40 

    41     void Stop();

    42 

    43     // Priority is low because we always want to stop page loading when we're low on memory; not just during an emergency memory situation

    44     TOOMPriority Priority()     { return EOOM_PriorityLow; }

    45 };

    46 

    47 }

    48 

    49 #endif // END OF FILE