sysresmonitoring/oommonitor/inc/oomrunplugin.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 13 Oct 2010 14:43:04 +0300
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/*
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* Copyright (c) 2006 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 OOM actions (e.g. closing applications and running plugins).
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*
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*/
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#ifndef OOMRUNPLUGIN_H_
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#define OOMRUNPLUGIN_H_
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#include "oomaction.h"
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class COomRunPlugin;
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class COomRunPluginConfig;
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class MOomActionObserver;
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class COomPluginWaiter;
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class COomMonitorPlugin;
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class COomMonitorPluginV2;
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class COomActionConfig;
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/*
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 * The OOM action of running an OOM plug-in to free up memory.
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 * 
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 *  @lib oommonitor.lib
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 *  @since S60 v5.0
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 */
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NONSHARABLE_CLASS(COomRunPlugin) : public COomAction
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    {
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public:
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    static COomRunPlugin* NewL(TUint aPluginId, COomRunPluginConfig& aConfig, MOomActionObserver& aStateChangeObserver, COomMonitorPlugin& aPlugin, COomMonitorPluginV2* aV2Plugin = NULL);
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    ~COomRunPlugin();   
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    // Run the OOM plugin in order to free memory
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    // Call the COomAction::MemoryFreed when it is done
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    virtual void FreeMemory(TInt aBytesRequested);
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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 MemoryGood();
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    inline TBool IsRunning();
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    // To be called by the COomPluginWaiter
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    inline void WaitCompleted();
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protected:
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    void ConstructL(COomRunPluginConfig& aPluginConfig);    
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    inline COomActionConfig& GetConfig();   
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private:
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    COomRunPlugin(TUint aPluginId, COomRunPluginConfig& aConfig, MOomActionObserver& aStateChangeObserver, COomMonitorPlugin& aPlugin, COomMonitorPluginV2* aV2Plugin);
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    TUint iPluginId;
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    COomMonitorPlugin& iPlugin;
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    COomRunPluginConfig& iConfig;
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    COomPluginWaiter* iPluginWaiter;
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    // Note that this shouldn't be deleted
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    // If it is pointing to a V2 plugin then it is a cast to the same instance as iPlugin
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    COomMonitorPluginV2* iV2Plugin;
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    TBool iFreeMemoryCalled; // True if FreeMemory has been called since the last call to MemoryGood
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    };
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#include "oomrunplugin.inl"
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#endif /*OOMRUNPLUGIN_H_*/