/*

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  

*

*/

// INCLUDE FILES

#include <avkon.hrh>

#include <aknquerydialog.h>

#include <commondialogs.hrh>

#include <akncommondialogsdynmem.h>

#include <t_oomtestapp.rsg>

#include "t_oomtestappcmd.hrh"

#include "t_oomtestappApplication.h"

#include "t_oomtestappAppUi.h"

#include "t_oomtestappAppView.h"

_LIT( KOomConfigTargetFile, "c:\\private\\10207218\\oomconfig.xml" );

_LIT( KOomPriorityNormal, "normal" );

_LIT( KOomPriorityHigh, "high" );

_LIT( KOomPriorityBusy, "busy" );

const TInt KInitialAllocSize = 2048;

// ---------------------------------------------------------------------------

// AskPathL

// ---------------------------------------------------------------------------

//

static TBool AskPathL( TDes& aPath )

    {

    TParsePtr parse( aPath );

    TPtrC rootFolder = parse.DriveAndPath();

    TBool ret = AknCommonDialogsDynMem::RunSelectDlgLD(

        AknCommonDialogsDynMem::EMemoryTypePhone |

        AknCommonDialogsDynMem::EMemoryTypeMMC,

        aPath,

        rootFolder,

        R_MEMORY_SELECTION,

        R_FILE_SELECTION );

    return ret;

    }

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// Ct_oomtestappAppUi::ConstructL()

// Symbian 2nd phase constructor can leave.

// -----------------------------------------------------------------------------

//

void Ct_oomtestappAppUi::ConstructL()

	{

	// Initialise app UI with standard value.

	BaseConstructL(CAknAppUi::EAknEnableSkin);

	User::LeaveIfError( iOomSession.Connect() );

	// Create view object

	iAppView = Ct_oomtestappAppView::NewL(ClientRect(), *this);

	}

// -----------------------------------------------------------------------------

// Ct_oomtestappAppUi::Ct_oomtestappAppUi()

// C++ default constructor can NOT contain any code, that might leave.

// -----------------------------------------------------------------------------

//

Ct_oomtestappAppUi::Ct_oomtestappAppUi()

	{

	}

// -----------------------------------------------------------------------------

// Ct_oomtestappAppUi::~Ct_oomtestappAppUi()

// Destructor.

// -----------------------------------------------------------------------------

//

Ct_oomtestappAppUi::~Ct_oomtestappAppUi()

	{

    delete iAppView;

    iOomSession.Close();

    User::Free(iMem);

	}

// -----------------------------------------------------------------------------

// Ct_oomtestappAppUi::HandleCommandL()

// Takes care of command handling.

// -----------------------------------------------------------------------------

//

void Ct_oomtestappAppUi::HandleCommandL(TInt aCommand)

	{

	switch (aCommand)

		{

        case EOomTestAppSelectConfig:

            {

            TFileName fileName;

            if ( AskPathL( fileName ) )

                {

                RFs& fs( iEikonEnv->FsSession() );

                fs.MkDirAll( KOomConfigTargetFile ); // Ignore error

                CFileMan* fileMan = CFileMan::NewL( fs );

                CleanupStack::PushL( fileMan );

                User::LeaveIfError( fileMan->Copy( fileName, KOomConfigTargetFile ) );

                CleanupStack::PopAndDestroy( fileMan );

                }

            break;

            }

        case EOomTestAppToggleSystem:

            {

            iEikonEnv->SetSystem( !(iEikonEnv->IsSystem()) );

            iAppView->DrawDeferred();

            break;

            }

        case EOomTestAppAllocMemory:

            {

            TInt size(KInitialAllocSize);

            CAknNumberQueryDialog* query = CAknNumberQueryDialog::NewL(size);

            if ( query->ExecuteLD( R_ALLOC_QUERY ) )

                {

                User::Free(iMem);

                iMem = NULL;

                size *= KKiloByte;

                iMem = User::AllocL(size);

                iAppView->DrawDeferred();

                }

            break;

            }

        case EOomTestAppFreeMemory:

            {

            User::Free(iMem);

            iMem = NULL;

            iAppView->DrawDeferred();

            break;

            }

        case EOomTestAppAllocMemWithPermission:

            {

            TInt size(KInitialAllocSize);

            CAknNumberQueryDialog* query = CAknNumberQueryDialog::NewL(size);

            if ( query->ExecuteLD( R_ALLOC_QUERY ) )

                {

                User::Free(iMem);

                iMem = NULL;

                size *= KKiloByte;

                if ( iPriority != ROomMonitorSession::EOomPriorityBusy )

                    {

                    // Prevent OOM to close this app while it is freeing memory

                    iOomSession.SetOomPriority(ROomMonitorSession::EOomPriorityBusy);

                    }

                iOomSession.RequestFreeMemory( size );

                if ( iPriority != ROomMonitorSession::EOomPriorityBusy )

                    {

                    // Allow OOM to close this app again

                    iOomSession.SetOomPriority(iPriority);

                    }

                iMem = User::AllocL(size);

                iAppView->DrawDeferred();

                }

            break;

            }

        case EOomTestAppSetPriorityNormal:

            {

            iPriority = ROomMonitorSession::EOomPriorityNormal;

            iOomSession.SetOomPriority(iPriority);

            iAppView->DrawDeferred();

            break;

            }

        case EOomTestAppSetPriorityHigh:

            {

            iPriority = ROomMonitorSession::EOomPriorityHigh;

            iOomSession.SetOomPriority(iPriority);

            iAppView->DrawDeferred();

            break;

            }

        case EOomTestAppSetPriorityBusy:

            {

            iPriority = ROomMonitorSession::EOomPriorityBusy;

            iOomSession.SetOomPriority(iPriority);

            iAppView->DrawDeferred();

            break;

            }    

		case EEikCmdExit:

		case EAknSoftkeyExit: // Fall through

		    {

			Exit();

			break;

		    }

		default:

		    {

			break;

		    }

		}

	}

// -----------------------------------------------------------------------------

//  Called by the framework when the application status pane

//  size is changed.  Passes the new client rectangle to the

//  AppView

// -----------------------------------------------------------------------------

//

void Ct_oomtestappAppUi::HandleStatusPaneSizeChange()

	{

	iAppView->SetRect(ClientRect());

	}

// -----------------------------------------------------------------------------

// Ct_oomtestappAppUi::AllocatedHeap

// -----------------------------------------------------------------------------

//

TInt Ct_oomtestappAppUi::AllocatedHeap() const

    {

    TInt ret( 0 );

    RHeap& heap( User::Heap() );

    heap.AllocSize( ret );

    return ret;

    }

// -----------------------------------------------------------------------------

// Ct_oomtestappAppUi::Priority

// -----------------------------------------------------------------------------

//

TPtrC Ct_oomtestappAppUi::Priority() const

    {

    switch ( iPriority )

        {

        case ROomMonitorSession::EOomPriorityNormal:

            {

            return KOomPriorityNormal();

            }

        case ROomMonitorSession::EOomPriorityHigh:

            {

            return KOomPriorityHigh();

            }

        case ROomMonitorSession::EOomPriorityBusy:

            {

            return KOomPriorityBusy();

            }

        default:

            {

            break;

            }

        }

    return KNullDesC();

    }

// End of File