1 /*

     2 * Copyright (c) 2008 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 GOOM actions (e.g. closing applications and running plugins).

    15 *

    16 */

    17 

    18 

    19 #include <goommonitorplugin.hrh>

    20 #include "goomrunplugin.h"

    21 #include "goomtraces.h"

    22 #include "goommemorymonitor.h"

    23 #include "goommonitorplugin.h"

    24 #include "goomactionlist.h"

    25 

    26 CGOomRunPlugin* CGOomRunPlugin::NewL(TUint aPluginId, CGOomRunPluginConfig& aConfig, MGOomActionObserver& aStateChangeObserver, CGOomMonitorPlugin& aPlugin)

    27     {

    28     FUNC_LOG;

    29 

    30     CGOomRunPlugin* self = new (ELeave) CGOomRunPlugin(aPluginId, aConfig, aStateChangeObserver, aPlugin);

    31     CleanupStack::PushL(self);

    32     self->ConstructL(aConfig);

    33     CleanupStack::Pop(self);

    34     return self;

    35     }

    36 

    37 // Run the GOOM plugin in order to free memory

    38 // Call the CGOomAction::MemoryFreed when it is done

    39 void CGOomRunPlugin::FreeMemory(TInt aBytesRequested)

    40     {

    41     FUNC_LOG;

    42     TRACES1("CGOomRunPlugin::FreeMemory: iPluginId = 0x%x", iPluginId);

    43     TRACES1("CGOomRunPlugin::FreeMemory: aBytesRequested = %d", aBytesRequested);

    44 

    45     // Ask the plugin to free some memory, should actually ask the difference 

    46     // between existing and required amount..

    47     TInt clientId = iStateChangeObserver.ClientId();

    48     TAny* anyp = (TAny*) &clientId;

    49     iPlugin.ExtensionInterface(TUid::Uid(KGoomClientSecureId), anyp);

    50     iPlugin.FreeRam(aBytesRequested);

    51 

    52     iFreeMemoryCalled = ETrue;

    53 

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

    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 CGOomRunPlugin::MemoryGood()

    61     {

    62     FUNC_LOG;

    63 

    64     if (iFreeMemoryCalled)

    65         {

    66         iPlugin.MemoryGood();

    67         iFreeMemoryCalled = EFalse;

    68         }

    69     }

    70 

    71 CGOomRunPlugin::~CGOomRunPlugin()

    72     {

    73     FUNC_LOG;

    74 

    75     delete iPluginWaiter;

    76     }

    77 

    78 CGOomRunPlugin::CGOomRunPlugin(TUint aPluginId, CGOomRunPluginConfig& aConfig, MGOomActionObserver& aStateChangeObserver, CGOomMonitorPlugin& aPlugin) : CGOomAction(aStateChangeObserver), iPluginId(aPluginId), iPlugin(aPlugin), iConfig(aConfig)

    79     {

    80     FUNC_LOG;

    81     }

    82 

    83 void CGOomRunPlugin::ConstructL(CGOomRunPluginConfig& 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 = CGOomPluginWaiter::NewL(waitDuration, *this);

    96     }