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 "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:  Classes for executing OOM actions (e.g. closing applications and running plugins).

    15 *

    16 */

    17 

    18 #include "oomrunplugin.h"

    19 #include "OomTraces.h"

    20 #include "oommemorymonitor.h"

    21 #include "oommonitorplugin.h"

    22 #include "oompanic.h"

    23 

    24 COomRunPlugin* COomRunPlugin::NewL(TUint aPluginId, COomRunPluginConfig& aConfig, MOomActionObserver& aStateChangeObserver, COomMonitorPlugin& aPlugin, COomMonitorPluginV2* aV2Plugin)

    25     {

    26     FUNC_LOG;

    27 

    28     COomRunPlugin* self = new (ELeave) COomRunPlugin(aPluginId, aConfig, aStateChangeObserver, aPlugin, aV2Plugin);

    29     CleanupStack::PushL(self);

    30     self->ConstructL(aConfig);

    31     CleanupStack::Pop(self);

    32     return self;

    33     }

    34 

    35 // Run the OOM plugin in order to free memory

    36 // Call the COomAction::MemoryFreed when it is done

    37 void COomRunPlugin::FreeMemory(TInt aBytesRequested)

    38     {

    39     FUNC_LOG;

    40     TRACES1("COomRunPlugin::FreeMemory: iPluginId = %x", iPluginId);        

    41 

    42     // Ask the plugin to free some memory

    43 

    44     // Do we have a V2 plugin, if so then use it

    45     if (iV2Plugin)

    46         iV2Plugin->FreeRam(aBytesRequested);

    47     else

    48         // If we only have a V1 plugin then use that

    49         iPlugin.FreeRam();

    50     

    51     iFreeMemoryCalled = ETrue;

    52     

    53     // Wait for the required time before we signal completion.

    54     __ASSERT_DEBUG(!iPluginWaiter->IsActive(), OomMonitorPanic(KStartingActivePluginWaiter));    

    55     iPluginWaiter->Start();

    56     }

    57 

    58 // Call the memory good function on the plugin but...

    59 // only if there is an outstanding FreeMemory request

    60 void COomRunPlugin::MemoryGood()

    61     {

    62     FUNC_LOG;

    63 

    64     if (iFreeMemoryCalled)

    65         {

    66         iPlugin.MemoryGood();

    67         iFreeMemoryCalled = EFalse;

    68         }

    69     }

    70 

    71 COomRunPlugin::~COomRunPlugin()

    72     {

    73     FUNC_LOG;

    74 

    75     delete iPluginWaiter;

    76     }

    77 

    78 COomRunPlugin::COomRunPlugin(TUint aPluginId, COomRunPluginConfig& aConfig, MOomActionObserver& aStateChangeObserver, COomMonitorPlugin& aPlugin, COomMonitorPluginV2* aV2Plugin) : COomAction(aStateChangeObserver), iPluginId(aPluginId), iPlugin(aPlugin), iConfig(aConfig), iV2Plugin(aV2Plugin)

    79     {

    80     FUNC_LOG;

    81     }

    82 

    83 void COomRunPlugin::ConstructL(COomRunPluginConfig& aPluginConfig)

    84     {

    85     FUNC_LOG;

    86 

    87     TInt waitDuration = CMemoryMonitor::GlobalConfig().iDefaultWaitAfterPlugin;

    88     

    89     if (aPluginConfig.WaitAfterPluginDefined())

    90         {

    91         // If the wait duration for this plugin is overridden then use the overridden value

    92         waitDuration = aPluginConfig.WaitAfterPlugin();

    93         }

    94     

    95     iPluginWaiter = COomPluginWaiter::NewL(waitDuration, *this);

    96     }