1 /*

     2  * Copyright (c) 2002 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 "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:    CSvgtRasterizerOOMPropertyMonitor class for OOM implementation.

    15  *

    16  */

    17 

    18 #include "SvgtRasterizerOOMPropertyMonitor.h"

    19 #include <graphics/fbsrasterizer.h>

    20 #include <graphics/fbsrasterizerclearcache.h>

    21 #include "SvgtRasterizerCacheLimitHandler.h"

    22 #include <fbs.h>

    23 //#include <e32debug.h>

    24 

    25 CSvgtRasterizerOOMPropertyMonitor* CSvgtRasterizerOOMPropertyMonitor::NewL()

    26     {

    27     CSvgtRasterizerOOMPropertyMonitor* self = new (ELeave) CSvgtRasterizerOOMPropertyMonitor();

    28     CleanupStack::PushL(self);

    29     self->ConstructL();

    30     CleanupStack::Pop();

    31     return self;

    32     }

    33 

    34 CSvgtRasterizerOOMPropertyMonitor::CSvgtRasterizerOOMPropertyMonitor()

    35 : CActive(CActive::EPriorityStandard)

    36             {

    37             if (CActiveScheduler::Current())

    38                 {

    39                 CActiveScheduler::Add(this);

    40                 }

    41 

    42             }

    43 

    44 CSvgtRasterizerOOMPropertyMonitor::~CSvgtRasterizerOOMPropertyMonitor()

    45     {

    46     if (CActiveScheduler::Current())

    47         {    

    48         Cancel();

    49         }

    50     iOomWatcher.Close();

    51     } 

    52 

    53 void CSvgtRasterizerOOMPropertyMonitor::ConstructL()

    54     {

    55     

    56     if (CActiveScheduler::Current())    

    57         {

    58         User::LeaveIfError(iOomWatcher.Attach(KSvgtPropertyCategory, ESvgtPropertyBool));

    59         Queue();

    60         }

    61     }

    62 

    63 void CSvgtRasterizerOOMPropertyMonitor::RunL()

    64     {

    65     TBool changeCacheLimit=ETrue;

    66     iOomWatcher.Get(changeCacheLimit);

    67     iRasterizer = CFbsBitmap::Rasterizer();

    68     if(!changeCacheLimit)

    69         {

    70         MFbsRasterizerClearCache* cacheInterfacePtr = NULL;

    71         iRasterizer->GetInterface(TUid::Uid(KUidFbsRasterizerClearCache), (TAny*&)cacheInterfacePtr);

    72         if(cacheInterfacePtr)

    73             cacheInterfacePtr->ClearCache();

    74         }

    75     MSvgtRasterizerCacheLimitHandler* interfacePtr = NULL;

    76     iRasterizer->GetInterface(TUid::Uid(KUidEnableSvgtRasterizer), (TAny*&)interfacePtr);

    77     if(interfacePtr)

    78         interfacePtr->ChangeCacheLimit(changeCacheLimit);

    79     Queue();

    80     }

    81 

    82 void CSvgtRasterizerOOMPropertyMonitor::DoCancel()

    83     {

    84     iOomWatcher.Cancel();

    85     }

    86 

    87 void CSvgtRasterizerOOMPropertyMonitor::Queue()

    88     {

    89     if (!IsActive())

    90         {

    91         iOomWatcher.Subscribe(iStatus);

    92         SetActive();

    93         }

    94     }

    95