/*

* Copyright (c) 2002-2008 Nokia Corporation and/or its subsidiary(-ies). 

* 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:  Monitor for browser termination

*

*/

// INCLUDE FILES

#include    <etelsat.h>

#include    <apgtask.h>

#include    "CSatBrowserThreadMonitor.h"

#include    "csatbrowserwsmonitor.h"

#include    "SatLog.h"

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

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

// CSatBrowserWSMonitor::CSatBrowserWSMonitor

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

// might leave.

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

//

CSatBrowserWSMonitor::CSatBrowserWSMonitor() :

    CActive( CActive::EPriorityStandard )

    {

    LOG( SIMPLE,

        "SATEVENTMONITORS: CSatBrowserWSMonitor::CSatBrowserWSMonitor calling" )

    CActiveScheduler::Add( this );

    LOG( SIMPLE,

        "SATEVENTMONITORS: CSatBrowserWSMonitor::CSatBrowserWSMonitor exiting" )

    }

// Destructor

CSatBrowserWSMonitor::~CSatBrowserWSMonitor()

    {

    LOG( SIMPLE,

    "SATEVENTMONITORS: CSatBrowserWSMonitor::~CSatBrowserWSMonitor calling" )

    // Cancel any outstanding requests.

    Cancel();

    if ( iThreadMonitor )

        {

        iThreadMonitor->DoCancelMonitor();

        delete iThreadMonitor;

        iThreadMonitor = NULL;

        }

    iObserver = NULL;

    iWg.Close();

    iWsSession.Close();

    LOG( SIMPLE,

    "SATEVENTMONITORS: CSatBrowserWSMonitor::~CSatBrowserWSMonitor exiting" )

    }

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

// CSatBrowserWSMonitor::NewL

// Two-phased constructor.

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

//

CSatBrowserWSMonitor* CSatBrowserWSMonitor::NewL()

    {

    LOG( SIMPLE,

        "SATEVENTMONITORS: CSatBrowserWSMonitor::NewL calling" )

    CSatBrowserWSMonitor* self =

        new ( ELeave ) CSatBrowserWSMonitor();

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( /*self*/ );

    LOG( SIMPLE,

        "SATEVENTMONITORS: CSatBrowserWSMonitor::NewL exiting" )

    return self;

    }

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

// CSatBrowserWSMonitor::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CSatBrowserWSMonitor::ConstructL()

    {

    LOG( SIMPLE,

        "SATEVENTMONITORS: CSatBrowserWSMonitor::ConstructL calling" )

    // Window session is created when event is requested

    LOG( SIMPLE,

        "SATEVENTMONITORS: CSatBrowserWSMonitor::ConstructL exiting" )

    }

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

// CSatBrowserWSMonitor::DoCancelMonitor

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

//

void CSatBrowserWSMonitor::DoCancelMonitor()

    {

    LOG( SIMPLE, "SATEVENTMONITORS: CSatBrowserWSMonitor::\

        DoCancelMonitor calling" )

    Cancel();

    LOG( SIMPLE, "SATEVENTMONITORS: CSatBrowserWSMonitor::\

        DoCancelMonitor exiting" )

    }

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

// CSatBrowserWSMonitor::StartMonitor

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

//

TInt CSatBrowserWSMonitor::StartMonitor(

    MSatBrowserWSObserver* aObserver )

    {

    LOG( SIMPLE,

        "SATEVENTMONITORS: CSatBrowserWSMonitor::StartMonitor calling" )

    TInt err( KErrNone );

    if ( !iWGCreated )

        {

        // First time called, create needed services

        LOG( SIMPLE,"SATEVENTMONITORS: CSatBrowserWSMonitor::StartMonitor \

            connect to WsSession " )

        err = iWsSession.Connect();

        if ( KErrNone == err )

            {

            // Creates a window group

            TRAP( err, CreateWGL() );

            }

        }

    iObserver = aObserver;

    if ( !err )

        {

        // All fine, start monitoring

        Start();

        }

    LOG2( SIMPLE,

        "SATEVENTMONITORS: CSatBrowserWSMonitor::StartMonitor exiting err=%d",\

            err )

    return err;

    }

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

// CSatBrowserWSMonitor::Start

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

//

void CSatBrowserWSMonitor::Start()

    {

    LOG( SIMPLE, "SATEVENTMONITORS: CSatBrowserWSMonitor::Start calling" )

    Cancel();

    // It migth be null already

    if ( iThreadMonitor )

        {

        LOG( SIMPLE, 

        "SATEVENTMONITORS: CSatBrowserWSMonitor::Start iThreadMonitor true" )

        delete iThreadMonitor;

        iThreadMonitor = NULL;

        }

    iWsSession.EventReady( &iStatus );

    SetActive();

    LOG( SIMPLE, "SATEVENTMONITORS: CSatBrowserWSMonitor::Start exiting" )

    }

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

// CSatBrowserWSMonitor::RunL

// Checks is the WML Browser launched and creates browser thread monitor to

// monitor browsers thread death.

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

//

void CSatBrowserWSMonitor::RunL()

    {

    LOG( SIMPLE,

        "SATEVENTMONITORS: CSatBrowserWSMonitor::RunL calling" )

    // Get the status of this object.

    const TInt errCode( iStatus.Int() );

    LOG2( SIMPLE,

    "SATEVENTMONITORS: CSatBrowserWSMonitor::RunL errCode: %d",

    errCode )

    if ( KErrNone == errCode )

        {

        // UID Code for WML Browser in S60.

        const TUid uidWmlBrowser( TUid::Uid( KWmlcHandler ) );

        TWsEvent event;

        iWsSession.GetEvent( event );

        TApaTaskList taskList( iWsSession );

        if ( taskList.FindApp( uidWmlBrowser ).Exists() )

            {

            LOG( SIMPLE,

            "SATEVENTMONITORS: CSatBrowserWSMonitor::RunL task exists" )

            const TApaTask task = taskList.FindApp( uidWmlBrowser );

            const TThreadId threadID = task.ThreadId();

            RThread thread;

            User::LeaveIfError ( thread.Open( threadID, EOwnerProcess ) );

            // Create Browser thread monitor.

            iThreadMonitor = CSatBrowserThreadMonitor::NewL( thread );

            // Call the active object to monitor for this threads death.

            iThreadMonitor->StartMonitor( this );

            }

        else

            {

            LOG( SIMPLE,

            "SATEVENTMONITORS: CSatBrowserWSMonitor::RunL start" )

            // Renew the request.

            Start();

            }

        }

    else if ( KErrCancel != errCode )

        {

        // Renew the request.

        Start();

        }

    else

        {

        LOG( SIMPLE,

            "SATEVENTMONITORS: CSatBrowserWSMonitor::RunL cancelled" )

        }

    LOG( SIMPLE,

        "SATEVENTMONITORS: CSatBrowserWSMonitor::RunL exiting" )

    }

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

// CSatBrowserWSMonitor::DoCancel

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

//

void CSatBrowserWSMonitor::DoCancel()

    {

    LOG( SIMPLE,

        "SATEVENTMONITORS: CSatBrowserWSMonitor::DoCancel calling" )

    if ( iThreadMonitor )

        {

        LOG( SIMPLE,

        "SATEVENTMONITORS: CSatBrowserWSMonitor::DoCancel iThreadMonitor true" )

        iThreadMonitor->DoCancelMonitor();

        }

    // Cancel the outstanding request.

    iWsSession.EventReadyCancel();

    LOG( SIMPLE,

        "SATEVENTMONITORS: CSatBrowserWSMonitor::DoCancel exiting" )

    }

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

// CSatBrowserWSMonitor::NotifyBrowserTerminated

// Sends event download notification to SAT Engine.

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

//

void CSatBrowserWSMonitor::NotifyBrowserTerminated(

    const RSat::TBrowserTerminationCause aCause )

    {

    LOG( SIMPLE, "SATEVENTMONITORS: CSatBrowserWSMonitor::\

        NotifyBrowserTerminated calling" )

    // Notify termination to observer.

    iObserver->NotifyBrowserTerminated( aCause );

    LOG( SIMPLE, "SATEVENTMONITORS: CSatBrowserWSMonitor::\

        NotifyBrowserTerminated exiting" )

    }

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

// CSatBrowserWSMonitor::CreateWGL

// Creates a window group and hides it form the UI.

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

//

void CSatBrowserWSMonitor::CreateWGL()

    {

    LOG( SIMPLE,

        "SATEVENTMONITORS: CSatBrowserWSMonitor::CreateWGL calling" )

    // -1 means the window will never be visible.

    const TInt KWindowGroupPriority( -1 );

    RWindowGroup wg( iWsSession );

    // Make a handle from the address of window group obj.

    User::LeaveIfError( wg.Construct( reinterpret_cast<TUint32>( &wg ) ) );

    // Enable group changed events.

    User::LeaveIfError( wg.EnableGroupChangeEvents() );

    // Get the ordinal pos of this window group.

    const TInt ordPos( wg.OrdinalPosition() );

    // Set SAT so its never shown in the UI.

    wg.SetOrdinalPosition( ordPos , KWindowGroupPriority );

    // Needs to be a member variable. Must be closed in destructor.

    // Otherwise can't monitor what has been opened.

    iWg = wg;

    // Set SAT Server hidden now.

    iWsSession.Flush();

    iWGCreated = ETrue;

    LOG( SIMPLE,

        "SATEVENTMONITORS: CSatBrowserWSMonitor::CreateWGL exiting" )

    }

// End of file