uiacceltk/hitchcock/goommonitor/src/goomrunplugin.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 31 Mar 2010 23:03:58 +0300
branchRCL_3
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permissions -rw-r--r--
Revision: 201012 Kit: 201013
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/*
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Classes for executing GOOM actions (e.g. closing applications and running plugins).
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*
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*/
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#include <goommonitorplugin.hrh>
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#include "goomrunplugin.h"
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#include "goomtraces.h"
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#include "goommemorymonitor.h"
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#include "goommonitorplugin.h"
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#include "goomactionlist.h"
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CGOomRunPlugin* CGOomRunPlugin::NewL(TUint aPluginId, CGOomRunPluginConfig& aConfig, MGOomActionObserver& aStateChangeObserver, CGOomMonitorPlugin& aPlugin)
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    {
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    FUNC_LOG;
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    CGOomRunPlugin* self = new (ELeave) CGOomRunPlugin(aPluginId, aConfig, aStateChangeObserver, aPlugin);
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    CleanupStack::PushL(self);
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    self->ConstructL(aConfig);
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    CleanupStack::Pop(self);
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    return self;
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    }
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// Run the GOOM plugin in order to free memory
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// Call the CGOomAction::MemoryFreed when it is done
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void CGOomRunPlugin::FreeMemory(TInt aBytesRequested)
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    {
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    FUNC_LOG;
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    TRACES1("CGOomRunPlugin::FreeMemory: iPluginId = 0x%x", iPluginId);
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    TRACES1("CGOomRunPlugin::FreeMemory: aBytesRequested = %d", aBytesRequested);
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    // Ask the plugin to free some memory, should actually ask the difference 
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    // between existing and required amount..
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    TInt clientId = iStateChangeObserver.ClientId();
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    TAny* anyp = (TAny*) &clientId;
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    iPlugin.ExtensionInterface(TUid::Uid(KGoomClientSecureId), anyp);
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    iPlugin.FreeRam(aBytesRequested);
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    iFreeMemoryCalled = ETrue;
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    // Wait for the required time before we signal completion.
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    if(iPluginWaiter)
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        {
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        iPluginWaiter->Start();
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        }
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    }
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// Call the memory good function on the plugin but...
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// only if there is an outstanding FreeMemory request
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void CGOomRunPlugin::MemoryGood()
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    {
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    FUNC_LOG;
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    if (iFreeMemoryCalled)
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        {
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        iPlugin.MemoryGood();
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        iFreeMemoryCalled = EFalse;
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        }
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    }
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CGOomRunPlugin::~CGOomRunPlugin()
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    {
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    FUNC_LOG;
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    delete iPluginWaiter;
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    }
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CGOomRunPlugin::CGOomRunPlugin(TUint aPluginId, CGOomRunPluginConfig& aConfig, MGOomActionObserver& aStateChangeObserver, CGOomMonitorPlugin& aPlugin) : CGOomAction(aStateChangeObserver), iPluginId(aPluginId), iPlugin(aPlugin), iConfig(aConfig)
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    {
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    FUNC_LOG;
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    }
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void CGOomRunPlugin::ConstructL(CGOomRunPluginConfig& aPluginConfig)
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    {
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    FUNC_LOG;
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    TInt waitDuration = CMemoryMonitor::GlobalConfig().iDefaultWaitAfterPlugin;
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    if(aPluginConfig.iSyncMode == ECheckRam)
0
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        {
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        if (aPluginConfig.WaitAfterPluginDefined())
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            {
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            // If the wait duration for this plugin is overridden then use the overridden value
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            waitDuration = aPluginConfig.WaitAfterPlugin();
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            }
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         iPluginWaiter = CGOomPluginWaiter::NewL(waitDuration, *this);
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        }
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    }
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TUint CGOomRunPlugin::Id()
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    {
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    return iPluginId;
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    }