/*

* Copyright (c) 2005-2007 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:  Touch Toolbar

*

*/

// System includes

#include <centralrepository.h>

#include <akntoolbar.h>

#include <aknbutton.h>

#include <AknsUtils.h>

#include <gulicon.h>

#include <e32property.h>

#include <aknappui.h>

// User includes

#include <hscontentpublisher.h>

#include <hspublisherinfo.h>

#include "aitoolbarrenderer.h"

#include "aifweventhandler.h"

#include "aicontentobserver.h"

#include "activeidle2domaincrkeys.h"

#include "activeidle2domainpskeys.h"

#include "aiscutplugindomaincrkeys.h"

#include "ainativeuiplugins.h"

#include "debug.h"

using namespace AiNativeUiController;

// Constants

// Action to send to framework

_LIT( KOpenAppByIndex,              "Shortcut/LaunchByIndex(%d)" );

_LIT( KOpenAppByIndexAlternate,     "Shortcut/LaunchByIndexAlternate(%d)");

const TInt KOpenAppByIndexParameterLength = 2;

const TInt KFirstButton  = 0;

const TInt KSecondButton = 1;

const TInt KThirdButton  = 2;

const TInt KRadix = 10;

// ======== LOCAL FUNCTIONS ========

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

// IndexLength()

//

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

//

static TInt IndexLength( TInt aIndex )

    {

    TInt length = 0;

    if ( aIndex < 0 )

        {

        ++length;

        }

    do

        {

        aIndex /= KRadix;

        ++length;

        }

    while ( aIndex != 0 );

    return length;

    }

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

// CreateEventStringL()

//

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

//

static HBufC* CreateEventStringL( const TDesC& aFrom, TInt aEventIndex )

    {

    HBufC* buffer = NULL;

    TInt bufferLength = aFrom.Length() -

                        KOpenAppByIndexParameterLength +

                        IndexLength( aEventIndex );

    buffer = HBufC::NewL(bufferLength);

    TPtr bufferPtr = buffer->Des();

    bufferPtr.Format( aFrom, aEventIndex );

    return buffer;

    }

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

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

// CAiToolbarRenderer::CAiToolbarRenderer()

//

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

//

CAiToolbarRenderer::CAiToolbarRenderer( MAiFwEventHandler& aAiFwEventHandler, 

    CAknToolbar& aToolbar )

    : iToolbar( aToolbar ),

    iAiFwEventHandler( aAiFwEventHandler )

    {

    // no implementation required

    }

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

// CAiToolbarRenderer::ConstructL()

//

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

//

void CAiToolbarRenderer::ConstructL( )

    {

    iToolbarEnabled = EFalse;

    TInt err = KErrNone;

    CRepository *cr = CRepository::NewLC( TUid::Uid( KCRUidActiveIdleLV ) );

    err = cr->Get( KAITouchToolbarVisible, iToolbarEnabled );

    CleanupStack::PopAndDestroy( cr );

    __PRINT (__DBG_FORMAT("XAI: Toolbar value in cenrep %d err = %d"), iToolbarEnabled , err);

    // Hide the toolbar because it is disabled via cenrep

    if ( err != KErrNone || !iToolbarEnabled )

        {

        iToolbar.SetToolbarObserver( NULL );

        iToolbar.SetToolbarVisibility( EFalse, EFalse );

        }

    else

        {

        iToolbar.SetToolbarObserver( this );

        iToolbar.SetToolbarVisibility( ETrue, EFalse );

        }

    }

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

// CAiToolbarRenderer::NewLC()

//

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

//

CAiToolbarRenderer* CAiToolbarRenderer::NewLC( 

    MAiFwEventHandler& aAiFwEventHandler, CAknToolbar& aToolbar )

    {

    CAiToolbarRenderer* self = 

        new ( ELeave ) CAiToolbarRenderer( aAiFwEventHandler, aToolbar );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// CAiToolbarRenderer::NewL()

//

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

//

CAiToolbarRenderer* CAiToolbarRenderer::NewL( 

    MAiFwEventHandler& aAiFwEventHandler, CAknToolbar& aToolbar )

    {

    CAiToolbarRenderer* self = 

        CAiToolbarRenderer::NewLC( aAiFwEventHandler, aToolbar );

    CleanupStack::Pop(); // self

    return self;

    }

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

// CAiToolbarRenderer::~CAiToolbarRenderer()

//

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

//

CAiToolbarRenderer::~CAiToolbarRenderer()

    {

    // We don't want anymore events from toolbar

    iToolbar.SetToolbarObserver( NULL );

    iButtons.ResetAndDestroy();

    }

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

// CAiToolbarRenderer::DynInitToolbarL()

//

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

//

void CAiToolbarRenderer::DynInitToolbarL( TInt /*aResourceId*/, 

    CAknToolbar* /*aToolbar*/ )

    {

    // do nothing

    }

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

// CAiToolbarRenderer::OfferToolbarEventL()

//

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

//

void CAiToolbarRenderer::OfferToolbarEventL( TInt aCommand )

    {

    TInt modifiers = iToolbar.EventModifiers();

    if ( aCommand >= 0 && aCommand < iButtons.Count())

        {

        CAiToolbarButton* button = iButtons[aCommand];

        if ( button )

            {

            HBufC *event = NULL;

            if ( modifiers == CAknToolbar::ELongPress )

                {

                event = CreateEventStringL( 

                    KOpenAppByIndexAlternate, button->ShortcutId() );

                CleanupStack::PushL( event );

                }

            else

                {

                event = CreateEventStringL( 

                    KOpenAppByIndex, button->ShortcutId() );

                CleanupStack::PushL( event );

                }

            iAiFwEventHandler.HandlePluginEvent( *event );

            CleanupStack::PopAndDestroy( event );

            }

        }

    }

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

// CAiToolbarRenderer::DoPublishL()

//

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

//

void CAiToolbarRenderer::DoPublishL( CHsContentPublisher& aPlugin,

    TInt aContent, const TDesC16& aText, TInt aIndex )                                                                        

    {

    const THsPublisherInfo& info( aPlugin.PublisherInfo() );

    // Only interested on certain publish events

    if ( info.Uid() == KShortcutPluginUid &&

          aContent == EAiScutContentShortcutToolbarCaption &&

        ( aIndex == EAiScutToolbarFirst ||

          aIndex == EAiScutToolbarSecond ||

          aIndex == EAiScutToolbarThird )

        )

        {

        CAiToolbarButton* button = ButtonL( aIndex );

        if ( button )

            {

            button->SetTooltipL(aText);

            iCommitted = EFalse;

            }

        }

    }

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

// CAiToolbarRenderer::DoPublishL()

//

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

//

void CAiToolbarRenderer::DoPublishL( CHsContentPublisher& aPlugin,

    TInt aContent, const TDesC8& aBuf, TInt aIndex )

    {

    const THsPublisherInfo& info( aPlugin.PublisherInfo() );

    // Only interested on certain publish events

    if ( info.Uid() == KShortcutPluginUid &&

          aContent == EAiScutContentShortcutToolbarIcon &&

        ( aIndex == EAiScutToolbarFirst ||

          aIndex == EAiScutToolbarSecond ||

          aIndex == EAiScutToolbarThird )

        )

        {

        CGulIcon* icon = MAiContentObserver::UnpackPtr<CGulIcon>( aBuf );

        CAiToolbarButton* button = NULL;

        if ( !icon )

            {

            User::Leave(KErrArgument);

            }

        // Replace the old button with a new button

        button = ButtonL( aIndex );

        if ( button )

            {

            button->SetIcon(icon);

            iCommitted = EFalse;

            }

        // icons ownership is transferred to us

        // so we need to delete the icon in error situations

        else

            {

            delete icon;

            }

        }

    else

        {

        // We have received stuff we cannot publish.

        User::Leave(KErrNotFound);

        }

    }

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

// CAiToolbarRenderer::ButtonL()

//

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

//

CAiToolbarButton* CAiToolbarRenderer::ButtonL( TInt aShortcutId )

    {

    TInt index = KErrNotFound;

    CAiToolbarButton *button = NULL;

    switch ( aShortcutId )

        {

        case EAiScutToolbarFirst:

            index = KFirstButton;

            break;

        case EAiScutToolbarSecond:

            index = KSecondButton;

            break;

        case EAiScutToolbarThird:

            index = KThirdButton;

            break;

        default:

            break;

        }

    if ( index == KErrNotFound )

        {

        User::Leave(KErrNotFound);

        }

    // No button yet => Create new

    if ( index >= iButtons.Count() )

        {

        button = CAiToolbarButton::NewL();

        button->SetShortcutId( aShortcutId );

        }

    // Use the old button

    else if( index >= KFirstButton && index < iButtons.Count() )

        {

        button = iButtons[index];

        button->SetShortcutId( aShortcutId );

        }

    return button;

    }

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

// CAiToolbarRenderer::TransactionCommittedL()

//

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

//

void CAiToolbarRenderer::TransactionCommittedL()

    {

    if ( !iCommitted )

        {

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

            {

            CAiToolbarButton *button = iButtons[i];

            if ( button && button->Icon())

                {

                // remove the old button

                iToolbar.RemoveItem(i);

                // and add new one

                // transfers ownership of button->ButtonL() to toolbar

                iToolbar.AddItemL( button->ButtonL(), EAknCtButton, i, 0, i );

                }

            }

         iCommitted = ETrue;

        }

    }

// End of File.