sysresmonitoring/oommonitor/inc/oomoutofmemorywatcher.h
branchRCL_3
changeset 18 0818dd463d41
parent 1 0fdb7f6b0309
equal deleted inserted replaced
17:5e7d68cc22e0 18:0818dd463d41
     1 /*
     1 /*
     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 
     2 * Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies). 
     3 * All rights reserved.
     3 * All rights reserved.
     4 * This component and the accompanying materials are made available
     4 * This component and the accompanying materials are made available
     5 * under the terms of "Eclipse Public License v1.0"
     5 * under the terms of "Eclipse Public License v1.0"
     6 * which accompanies this distribution, and is available
     6 * which accompanies this distribution, and is available
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
    31  *  @since S60 v5.0
    31  *  @since S60 v5.0
    32  */
    32  */
    33 NONSHARABLE_CLASS(COutOfMemoryWatcher) : public CActive
    33 NONSHARABLE_CLASS(COutOfMemoryWatcher) : public CActive
    34     {
    34     {
    35 public:
    35 public:
    36     static COutOfMemoryWatcher* NewL(CMemoryMonitor& aLafShutdown, TInt aLowThreshold, TInt aGoodThreshold);
    36     static COutOfMemoryWatcher* NewL(CMemoryMonitor& aMonitor, TInt aLowRamThreshold, TInt aGoodRamThreshold,
       
    37         TBool aSwapUsageMonitored, TInt aLowSwapThreshold, TInt aGoodSwapThreshold);
    37     ~COutOfMemoryWatcher();
    38     ~COutOfMemoryWatcher();
    38     void Start();
    39     void Start();
    39     
    40     
    40     /**
    41     /**
    41      * Set the Low and Good thresholds that we are listening for.
    42      * Set the Low and Good thresholds that we are listening for.
    42      * These values can change from the global default values when certain applications are in the foreground.
    43      * These values can change from the global default values when certain applications are in the foreground.
    43      * @param aLowThreshold If Ram Level drops below the low threshold Oom Monitor actions are started.
    44      * @param aLowThreshold If Ram Level drops below the low threshold Oom Monitor actions are started.
    44      * @param aGoodThreshold When memory returns above the Good threshold then Oom Monitor stops freeing memory.
    45      * @param aGoodThreshold When memory returns above the Good threshold then Oom Monitor stops freeing memory.
    45      */
    46      */
    46     void UpdateThresholds(TInt aLowThreshold, TInt aGoodThreshold);
    47     void UpdateThresholds(TInt aLowRamThreshold, TInt aGoodRamThreshold, TInt aLowSwapThreshold, TInt aGoodSwapThreshold);
    47 private:
    48 private:
    48     COutOfMemoryWatcher(CMemoryMonitor& aLafShutdown);
    49     COutOfMemoryWatcher(CMemoryMonitor& aMonitor, TBool aSwapUsageMonitored);
    49     void ConstructL(TInt aLowThreshold, TInt aGoodThreshold);
    50     void ConstructL(TInt aLowRamThreshold, TInt aGoodRamThreshold, TInt aLowSwapThreshold, TInt aGoodSwapThreshold);
    50 private: // from CActive
    51 private: // from CActive
    51     void DoCancel();
    52     void DoCancel();
    52     void RunL();
    53     void RunL();
    53 private: // data
    54 private: // data
    54     RChangeNotifier iChangeNotifier;
    55     RChangeNotifier iChangeNotifier;
    55     CMemoryMonitor& iLafShutdown;
    56     CMemoryMonitor& iMemoryMonitor;
       
    57     TBool iSwapUsageMonitored;
    56     };
    58     };
    57 
    59 
    58 #endif /*OOMOUTOFMEMORYWATCHER_H*/
    60 #endif /*OOMOUTOFMEMORYWATCHER_H*/