/*

* Copyright (c) 2009 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:  Discreet popup

*

*/

#include <akndiscreetpopup.h>

#include <AknPanic.h>

#include <AknTasHook.h>

#include <eiksrvs.h>

#include "akndiscreetpopupcontrol.h"

#include "akndiscreetpopupserverhandler.h"

#include "akntrace.h"

const TUid KDiscreetPopupSingleton = { 537001156 };

const TInt KInitialPopupId( 1 );

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

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

// CAknDiscreetPopup::~CAknDiscreetPopup

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

//

CAknDiscreetPopup::~CAknDiscreetPopup()

    {

    _AKNTRACE_FUNC_ENTER;

    if ( iUseCoeEnv )

        {

        AKNTASHOOK_REMOVE();

        }

    CAknDiscreetPopupControl* popup( NULL );

    for ( TInt j = 0; j < iLocalPopups.Count(); j++ )

        {

        popup = iLocalPopups[ j ];

        delete popup;

        popup = NULL;

        }

    iLocalPopups.Close();

    delete iServerHandler;

    _AKNTRACE_FUNC_EXIT;

    }

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

// CAknDiscreetPopup::ShowLocalPopupL

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

//

EXPORT_C TInt CAknDiscreetPopup::ShowLocalPopupL( 

    const TDesC& aTitle,

    const TDesC& aText,

    CGulIcon* aIcon,

    const TAknsItemID& aSkinId,

    const TDesC& aBitmapFile,

    const TInt aBitmapId,

    const TInt aMaskId,

    const TInt aFlags,

    const TInt aCommand,

    MEikCommandObserver* aCommandObserver )

    {

    _AKNTRACE( "CAknDiscreetPopup::ShowLocalPopupL, Created by given parameters" );

    __ASSERT_ALWAYS( CCoeEnv::Static(), Panic( EAknPanicNotSupported ) );

    TInt popupId = 0;

    CAknDiscreetPopup* instance = InstanceL();

    if( instance )

        {

        popupId = instance->DoShowLocalL( aTitle, 

                                          aText, 

                                          aIcon,

                                          aSkinId,

                                          aBitmapFile,

                                          aBitmapId,

                                          aMaskId,

                                          aFlags, 

                                          aCommand, 

                                          aCommandObserver );

        }

    return popupId;

    }

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

// CAknDiscreetPopup::ShowLocalPopupL

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

//

EXPORT_C TInt CAknDiscreetPopup::ShowLocalPopupL(

    const TInt aResourceId, 

    const TInt aCommand,

    MEikCommandObserver* aCommandObserver )

    {

    _AKNTRACE( "CAknDiscreetPopup::ShowLocalPopupL, Created by given resource" );

    __ASSERT_ALWAYS( CCoeEnv::Static(), Panic( EAknPanicNotSupported ) );

    TInt popupId = 0;

    CAknDiscreetPopup* instance = InstanceL();

    if( instance )

        {

        popupId = instance->DoShowLocalL( aResourceId, KNullDesC, aCommand, aCommandObserver );

        }

    return popupId;    

    }

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

// CAknDiscreetPopup::ShowGlobalPopupL

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

//

EXPORT_C TInt CAknDiscreetPopup::ShowGlobalPopupL(

    const TDesC& aTitle,

    const TDesC& aText,

    const TAknsItemID& aSkinId,

    const TDesC& aBitmapFile,

    const TInt aBitmapId,

    const TInt aMaskId,

    const TInt aFlags,

    const TInt aCommandId,

    MEikCommandObserver* aCommandObserver,

    const TUid& aAppUid,

    const TUid& aViewUid )

    {

    _AKNTRACE( "CAknDiscreetPopup::ShowGlobalPopupL, Created by given parameters" );

    TInt popupId = 0;

    CAknDiscreetPopup* instance = InstanceL();

    if ( instance )

        {

        popupId = instance->DoShowGlobalL(aTitle, aText, aSkinId, aBitmapFile, 

            aBitmapId, aMaskId, aFlags, aCommandId, aCommandObserver, aAppUid,

            aViewUid);

        }

    return popupId;    

    }

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

// CAknDiscreetPopup::ShowGlobalPopupL

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

//

EXPORT_C TInt CAknDiscreetPopup::ShowGlobalPopupL( 

    const TInt aResourceId,

    const TDesC& aResourceFile,

    const TInt aCommandId,

    MEikCommandObserver* aCommandObserver,

    const TUid& aAppUid,

    const TUid& aViewUid )

    {

    _AKNTRACE( "CAknDiscreetPopup::ShowGlobalPopupL, Created by given resource" );

    TInt popupId = 0;

    CAknDiscreetPopup* instance = InstanceL();

    if( instance )

        {

        popupId = instance->DoShowGlobalL( aResourceId,

                                           aResourceFile,

                                           aCommandId,

                                           aCommandObserver,

                                           aAppUid,

                                           aViewUid );

        }

    return popupId;    

    }

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

// CAknDiscreetPopup::InitL

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

//

EXPORT_C void CAknDiscreetPopup::InitL()

    {

    _AKNTRACE_FUNC_ENTER;

    __ASSERT_ALWAYS( !CCoeEnv::Static(), Panic( EAknPanicNotSupported ) );

    // Create popup instance and store it to TLS

    if ( !Dll::Tls() )

        {

        CAknDiscreetPopup* instance = new ( ELeave ) CAknDiscreetPopup;

        CleanupStack::PushL( instance );

        instance->ConstructL();

        User::LeaveIfError( Dll::SetTls( instance ) );

        CleanupStack::Pop( instance );

        }

    _AKNTRACE_FUNC_EXIT;

    }

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

// CAknDiscreetPopup::Release

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

//

EXPORT_C void CAknDiscreetPopup::Release()

    {

    _AKNTRACE_FUNC_ENTER;

    __ASSERT_ALWAYS( !CCoeEnv::Static(), Panic( EAknPanicNotSupported ) );

    // Delete popup instance from TLS

    CAknDiscreetPopup* instance =

        static_cast<CAknDiscreetPopup*>( Dll::Tls() );

    if ( instance )

        {

        delete instance;

        instance = NULL;

        Dll::SetTls( NULL );

        }

    _AKNTRACE_FUNC_EXIT;

    }

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

// CAknDiscreetPopup::CAknDiscreetPopup

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

//

CAknDiscreetPopup::CAknDiscreetPopup()

    {

    }

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

// CAknDiscreetPopup::CAknDiscreetPopup

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

//

CAknDiscreetPopup::CAknDiscreetPopup( TBool aUseCoeEnv )

    : CCoeStatic( KDiscreetPopupSingleton, CCoeStatic::EThread ),

    iUseCoeEnv( aUseCoeEnv )

    {

    AKNTASHOOK_ADD( this, "CAknDiscreetPopup" );

    }

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

// CAknDiscreetPopup::ConstructL

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

//

void CAknDiscreetPopup::ConstructL()

    {

    iServerHandler = CAknDiscreetPopupServerHandler::NewL();

    }

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

// CAknDiscreetPopup::InstanceL

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

//

CAknDiscreetPopup* CAknDiscreetPopup::InstanceL()

    {

    CAknDiscreetPopup* instance( NULL );

    if ( CCoeEnv::Static() )

        {

        instance = static_cast< CAknDiscreetPopup* >

            ( CCoeEnv::Static( KDiscreetPopupSingleton ) );

        if ( !instance )

            {

            instance = new ( ELeave ) CAknDiscreetPopup( ETrue );

            CleanupStack::PushL( instance );

            instance->ConstructL();

            CleanupStack::Pop( instance );

            }

        }

    else

        {

        instance = static_cast<CAknDiscreetPopup*>( Dll::Tls() );

        }

    return instance;

    }

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

// CAknDiscreetPopup::DoShowLocalL

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

//

TInt CAknDiscreetPopup::DoShowLocalL(

        const TDesC& aTitle, 

        const TDesC& aText, 

        CGulIcon* aIcon, 

        const TAknsItemID& aSkinId,

        const TDesC& aBitmapFile,

        const TInt& aBitmapId,

        const TInt& aMaskId,

        const TInt& aFlags, 

        const TInt& aCommand, 

        MEikCommandObserver* aCommandObserver )

    {

    TInt popupId( NextPopupId() );

    CAknDiscreetPopupControl* popup = CAknDiscreetPopupControl::NewL(

            EFalse, aTitle, aText, aIcon, aSkinId, aBitmapFile,

            aBitmapId, aMaskId, aFlags, aCommand, popupId, aCommandObserver );

    CleanupStack::PushL( popup );

    ShowPopupL( popup );

    CleanupStack::Pop( popup );

    return popupId;

    }

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

// CAknDiscreetPopup::DoShowLocalL

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

//

TInt CAknDiscreetPopup::DoShowLocalL( 

    const TInt& aResourceId,

    const TDesC& aResourceFile,

    const TInt& aCommand,

    MEikCommandObserver* aCommandObserver )

    {

    TInt popupId( NextPopupId() );

    CAknDiscreetPopupControl* popup = CAknDiscreetPopupControl::NewL(

            EFalse, aResourceId, aResourceFile, 

            aCommand, popupId, aCommandObserver );

    CleanupStack::PushL( popup );

    ShowPopupL( popup );

    CleanupStack::Pop( popup );

    return popupId;

    }

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

// CAknDiscreetPopup::DoShowGlobalL

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

//

TInt CAknDiscreetPopup::DoShowGlobalL(

        const TDesC& aTitle, 

        const TDesC& aText, 

        const TAknsItemID& aSkinId,

        const TDesC& aBitmapFile,

        const TInt& aBitmapId,

        const TInt& aMaskId,

        const TInt& aFlags,

        const TInt& aCommandId,

        MEikCommandObserver* aCommandObserver,

        const TUid& aAppUid,

        const TUid& aViewUid )

    {

    TInt popupId;

    RThread thread;

    if ( thread.Name() != EIKAPPUI_SERVER_THREAD_NAME && iServerHandler )

        {

        popupId = NextPopupId();

        iServerHandler->LaunchGlobalPopupL(

                aTitle,

                aText,

                aSkinId,

                aBitmapFile,

                aBitmapId,

                aMaskId,

                aFlags,

                aCommandId,

                popupId,

                aCommandObserver,

                aAppUid,

                aViewUid );

        }

    else

    	{

    	CGulIcon* icon = NULL;

    	DoShowLocalL( aTitle, aText, icon, aSkinId, aBitmapFile, 

    			aBitmapId, aMaskId, aFlags, aCommandId, aCommandObserver );

        }

    return popupId;    

    }

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

// CAknDiscreetPopup::DoShowGlobalL

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

//

TInt CAknDiscreetPopup::DoShowGlobalL( 

        const TInt& aResourceId,

        const TDesC& aResourceFile,

        const TInt& aCommandId,

        MEikCommandObserver* aCommandObserver,

        const TUid& aAppUid,

        const TUid& aViewUid )

    {

    TInt popupId;

    RThread thread;

    if ( thread.Name() != EIKAPPUI_SERVER_THREAD_NAME && iServerHandler )

        {

        popupId = NextPopupId();

        iServerHandler->LaunchGlobalPopupL(

                aResourceId,

                aResourceFile,

                aCommandId,

                popupId,

                aCommandObserver,

                aAppUid,

                aViewUid );

        }

    else

    	{

    	DoShowLocalL( aResourceId, aResourceFile, 

    			aCommandId, aCommandObserver );

        }

    return popupId;

    }

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

// CAknDiscreetPopup::ShowPopupL

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

//

void CAknDiscreetPopup::ShowPopupL( CAknDiscreetPopupControl* aControl )

    {

    _AKNTRACE_FUNC_ENTER;

    if ( !aControl )

        {

        _AKNTRACE( "CAknDiscreetPopup::ShowPopupL, return (aControl is NULL)" );

        return;

        }

    // Inform other popups that new popup is launched

    for ( TInt i = 0; i < iLocalPopups.Count(); i++ )

        {

        iLocalPopups[ i ]->HandleDiscreetPopupActionL( 

                CAknDiscreetPopupControl::EAknDiscreetPopupAnotherLaunched );

        }

    // Show popup and add it to popup list

    aControl->SetObserver( this );

    aControl->HandleDiscreetPopupActionL( 

        CAknDiscreetPopupControl::EAknDiscreetPopupShow );

    iLocalPopups.AppendL( aControl );

    _AKNTRACE_FUNC_EXIT;

    }

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

// CAknDiscreetPopup::DeletePopup

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

//

void CAknDiscreetPopup::DeletePopup( CAknDiscreetPopupControl* aControl )

    {

    _AKNTRACE_FUNC_ENTER;

    if ( !aControl )

        {

        _AKNTRACE( "CAknDiscreetPopup::DeletePopup, return (aControl is NULL)" );

        return;

        }

    TInt index = iLocalPopups.Find( aControl );

    iLocalPopups.Remove( index );

    delete aControl;

    aControl = NULL;

    _AKNTRACE_FUNC_EXIT;

    }

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

// CAknDiscreetPopup::NextPopupId

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

//

TInt CAknDiscreetPopup::NextPopupId()

    {

    TInt popupId( KInitialPopupId );

    while ( PopupIdInUse( popupId ) )

        {

        popupId++;

        }

    if ( iServerHandler )

        {

        popupId = iServerHandler->CheckPopupId( popupId );

        }

    return popupId;

    }

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

// CAknDiscreetPopup::PopupIdInUse

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

//

TBool CAknDiscreetPopup::PopupIdInUse( const TInt& aPopupId )

    {

    for ( TInt i = 0; i < iLocalPopups.Count(); i++ )

        {

        if ( iLocalPopups[ i ]->PopupId() == aPopupId )

            {

            return ETrue;

            }

        }

    return EFalse;

    }

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

// CAknDiscreetPopup::HandleControlEventL

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

//

void CAknDiscreetPopup::HandleControlEventL( 

        CCoeControl* aControl, TCoeEvent aEventType )

    {

    _AKNTRACE( "CAknDiscreetPopup::HandleControlEventL, aEventType : %d", aEventType );

    if ( aEventType == EEventRequestExit || aEventType == EEventRequestCancel )

        {

        DeletePopup( static_cast<CAknDiscreetPopupControl*>( aControl ) );

        }

    }