/*

* 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:  SAPI data plug-in publisher

*

*/

// System includes

#include <ecom/ecom.h>

#include <ecom/implementationproxy.h>

#include <PUAcodes.hrh>

#include <badesca.h>

#include <fbs.h>

#include <gulicon.h>

#include <AknsSkinInstance.h> 

#include <AknsUtils.h> 

#include <AknsConstants.h>

#include <e32property.h>

// User includes

#include <hspublisherinfo.h>

#include <aicontentobserver.h>

#include <aiutility.h>

#include <aipspropertyobserver.h>

#include <aipluginsettings.h>

#include <activeidle2domainpskeys.h>

#include <debug.h>

#include "sapidatapluginconst.h"

#include "sapidatapluginuids.hrh"

#include "sapidataplugin.h"

#include "sapidata.h"

// Constants

const TImplementationProxy KImplementationTable[] =

    {

    IMPLEMENTATION_PROXY_ENTRY( KImplUidDataPlugin, CSapiDataPlugin::NewL ) 

    };

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

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

// Constructs and returns an application object.

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

//

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount )

    {

    aTableCount = sizeof( KImplementationTable ) /

        sizeof( TImplementationProxy );

    return KImplementationTable;

    }

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

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

// Symbian 2nd phase constructor can leave

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

//

CSapiDataPlugin* CSapiDataPlugin::NewL()

    {

    CSapiDataPlugin* self = new (ELeave) CSapiDataPlugin;

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// Default constructor

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

//

CSapiDataPlugin::CSapiDataPlugin()

    : iNetworkStatus( EUnknown ), iPluginState( ENone )

    {

    }

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

// Symbian 2nd phase constructor can leave

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

//

void CSapiDataPlugin::ConstructL()

    {     

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

    iData = CSapiData::NewL( this );   

    }

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

// Destructor

// Deletes all data created to heap

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

//

CSapiDataPlugin::~CSapiDataPlugin()

    {

    // deactivate the publishers

    delete iData;

    iObservers.Close();

    Release( iContent );

    iDataArray.ResetAndDestroy();

    if ( iContentModel )

        {

        for ( TInt i = iDataCount - 1; i >= 0  ; i-- )

            {

            User::Free((TAny*)iContentModel[i].cid);   

            }

        delete [] iContentModel;

        }

    iIconArray.Reset();

    iRfs.Close();

    }

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

// Publishes widget's texts and images

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

//

void CSapiDataPlugin::PublishL()

    {    

    TInt observers( iObservers.Count() );        

    TInt transactionId = reinterpret_cast<TInt>( this );

    for ( TInt i = 0; i < observers; i++ )

        {

        MAiContentObserver* observer = iObservers[i];

		if ( observer->StartTransaction( transactionId ) == KErrNone ) 				

            {

            // Publish all the data

    		iData->PublishL(observer, KAll );

    	    observer->Commit( transactionId );

            }

		// Release memory of the published text

        iDataArray.ResetAndDestroy();

        // Release memory of the published icons

        iIconArray.Reset();        

        }        

    }

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

// Publish a specific text of the widget  

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

//

void CSapiDataPlugin::PublishTextL(MAiContentObserver* aObserver, 

        TInt& aContentId, TDesC& aContentValue)

    {

    if ( aObserver->CanPublish( *this,  aContentId  ,  aContentId  ) )

        {

        if( aContentValue.Length() > 0 )

            {

            HBufC* contentText = HBufC::NewLC(aContentValue.Size());

            TPtr cDes = contentText->Des();

            cDes.Copy(aContentValue);

            aObserver->Publish( *this, aContentId, cDes, aContentId );  

            iDataArray.AppendL( contentText );

            CleanupStack::Pop( contentText );

            }

        else

            {

            aObserver->Clean( *this, aContentId, aContentId );

            }

        }

    }

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

// Publish a specific image of the widget  

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

//

void CSapiDataPlugin::PublishImageL(MAiContentObserver* aObserver,

        TInt aContentId, TDesC& aPath )

    {

    TInt err = KErrNone;

    TAknsItemID iconId;

    iconId.iMajor=0;

    iconId.iMinor=0;

    TInt bitmapId(0);

    TInt maskId(0);

    TFileName fileName;

    CGulIcon* icon = NULL;

    CFbsBitmap* bitmap = NULL;

    CFbsBitmap* mask = NULL;

    if ( aObserver->CanPublish( *this, aContentId , aContentId ) )

      {

      TBool inSkin = iData->ResolveSkinIdAndMifId( aPath, iconId, bitmapId, maskId, fileName  );

      if ( inSkin )

          {

          // Load from skin 

          MAknsSkinInstance* skin = AknsUtils::SkinInstance();

          if ( iconId.iMajor != 0 && iconId.iMajor!=0 )

              {

              // Create icon with fall back 

              TRAP_IGNORE(AknsUtils::CreateIconL(

                      skin,

                      iconId,

                      bitmap,

                      mask,

                      fileName,  /* backup filename */

                      bitmapId,  /* backup bit map id */

                      maskId));   /* backup mask id */

              }

          else if( bitmapId !=0 )

              {

              if ( maskId!=0 )

                  {

                  // Create icon from Mif filename , bitmap id and mask id

                  TRAP_IGNORE(icon = AknsUtils::CreateGulIconL(

                          skin,

                          iconId,

                          fileName,

                          bitmapId,

                          maskId) );

                  }

              else

                  {

                  TRAP_IGNORE(AknsUtils::CreateIconL(

                          skin,

                          iconId,

                          bitmap,

                          fileName,  /* backup filename */

                          bitmapId)); /* backup bit map id */

                  }

              }

          if ( icon == NULL && bitmap !=  NULL )

              {

              icon = CGulIcon::NewL( bitmap, mask );

              }

          if ( icon != NULL ) // Syntax correct but icon not found

              {

              aObserver->PublishPtr( *this, aContentId, icon , aContentId );

              iIconArray.Append(icon);

              } 

          else

              {

              err = KErrNotFound;   

              aObserver->Clean( *this, aContentId, aContentId );

              }

          }

      else  // Interpret as File path

          {

          RFile iconFile;

          err = iconFile.Open( iRfs, aPath, EFileShareReadersOnly |  EFileRead );

          if( err == KErrNone )

            {

             aObserver->Publish( *this, aContentId, iconFile, aContentId );

            }

          else

              {

              aObserver->Clean( *this, aContentId, aContentId );

              }

          iconFile.Close();

          }

        }

    }

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

// Publish a image of the widget  

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

//

void CSapiDataPlugin::PublishImageL(MAiContentObserver* aObserver, 

        TInt& aContentId, TInt aHandle, TInt aMaskHandle )

    {

    if ( aObserver->CanPublish( *this, aContentId , aContentId ) )

        {

        if( aHandle != KErrBadHandle  )

            {

            CFbsBitmap* bitmap = new (ELeave) CFbsBitmap();

            if( KErrNone == bitmap->Duplicate( aHandle) )

                {

                // Take the ownership

                CGulIcon* icon = CGulIcon::NewL(bitmap);

                if( aMaskHandle != KErrBadHandle )

                    {

                    CFbsBitmap* mask = new (ELeave) CFbsBitmap();

                    if (KErrNone == mask->Duplicate( aMaskHandle) )

                        {

                        icon->SetMask( mask );            

                        }

                    }

                aObserver->PublishPtr( *this, aContentId, icon , aContentId );

                iIconArray.Append(icon);

                }

            else

                {

                delete bitmap;

                bitmap = NULL;

                aObserver->Clean( *this, aContentId, aContentId );

                }

            }

          }

    }

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

// Gets the id of a content  

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

//

TInt CSapiDataPlugin::GetIdL( TDesC& aObjectId)

	{

    TInt id = KErrNotFound;

	for( TInt i = 0;i<  iDataCount; i++ )

		{

		 if( aObjectId == ContentCid(iContentModel[i] ) )

			 {

			 id = iContentModel[i].id;

			 break;

			 }

		}

	return id;

	}

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

// Gets type of a content

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

//

const TDesC& CSapiDataPlugin::GetTypeL(TDesC& aObjectId )

	{

	for( TInt i = 0;i<  iDataCount; i++ )

		{

		 if( aObjectId ==  ContentCid(iContentModel[i]) )

			 {

			 if( iContentModel[i].type ==  KAiContentTypeText)

				 {

				 return KText();

				 }

			 else if( iContentModel[i].type == KAiContentTypeBitmap)

				 {

				 return KImage();

				 }

			 }

		}

	return KNullDesC();

	}

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

//Refresh a specific image or text in the widget

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

//

void CSapiDataPlugin::RefreshL( TDesC& aContentType,

                                TDesC& aOperation,

                                CLiwDefaultMap* aDataMap )

    {

    __PRINTS("*** CSapiDataPlugin::RefreshL ***");

    __PRINT( __DBG_FORMAT( "* Publisher name: %S, uid: 0x%x, content type: %S, operation: %S" ),          

        &PublisherInfo().Name(), PublisherInfo().Uid().iUid, &aContentType, &aOperation ); 

    const TInt observerCount( iObservers.Count() );    

    const TInt transactionId = reinterpret_cast<TInt>( this );

    for( TInt obsIndex = 0; obsIndex < observerCount; obsIndex++ )

        {

        MAiContentObserver* observer = iObservers[obsIndex];

        if( observer->StartTransaction( transactionId ) == KErrNone ) 				

            {

            if ( aOperation != KOperationDelete )

                {

                if( aDataMap )

                    {

                    iData->PublishDataL( observer, aDataMap );

                    }

                else

                    {

                    iData->PublishL( observer, aContentType );

                    }            

                }

            else

                {

                iData->RemoveL( observer, aContentType  );

                }

            observer->Commit( transactionId );

            }

        // Relese memory of the published text

        iDataArray.ResetAndDestroy();

        iIconArray.Reset();

        }

    __PRINTS("*** CSapiDataPlugin::RefreshL - done ***");

    }

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

// Cleans a data from the widget

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

//

void CSapiDataPlugin::Clean(MAiContentObserver* aObserver, 

        TInt& aContentId )

	{

	 if ( aObserver->CanPublish( *this, aContentId, aContentId ) )

		{

		aObserver->Clean( *this, aContentId, aContentId );		

		}

	}

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

// CSapiDataPlugin::Start

//

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

//

void CSapiDataPlugin::Start( TStartReason aReason )

    {

    if( aReason == ESystemStartup )

        {

        TRAP_IGNORE( PublishL() );

        TRAP_IGNORE( iData->SetStartupReasonL( KSystemStartup ));

        }

    else if( aReason == EPageStartup )

        {

        TRAP_IGNORE( iData->SetStartupReasonL( KPageStartup ));

        }

    else if( aReason == EPluginStartup )

        {

        TRAP_IGNORE( PublishL() );

        TRAP_IGNORE( iData->SetStartupReasonL( KPluginStartup));

        }

    }

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

// CSapiDataPlugin::Stop

//

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

//

void CSapiDataPlugin::Stop( TStopReason aReason )

    {

    if( aReason == ESystemShutdown )

        {

        TRAP_IGNORE( iData->ChangePublisherStatusL( KSystemShutdown ));

        }

    else if( aReason == EPageShutdown )

        {

        TRAP_IGNORE( iData->ChangePublisherStatusL( KPageShutdown ));

        }

    else if( aReason == EPluginShutdown )

        {

        TRAP_IGNORE( iData->ChangePublisherStatusL( KPluginShutdown ));

        }

    if ( iData )

        {

        TRAP_IGNORE( iData->ChangePublisherStatusL( KDeActive ));

        }

    }

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

// CSapiDataPlugin::Resume

//

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

//

void CSapiDataPlugin::Resume( TResumeReason aReason )

    {

    if ( aReason == EForeground )

        {

        iPluginState = EResume;

        TRAP_IGNORE( iData->ChangePublisherStatusL( KResume ));

        }

    }

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

// CSapiDataPlugin::Suspend

//

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

//

void CSapiDataPlugin::Suspend( TSuspendReason aReason )

    {

    if ( aReason == EBackground )

        {

        iPluginState = ESuspend;

        TRAP_IGNORE( iData->ChangePublisherStatusL( KSuspend ));

        }    

    }

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

// CSapiDataPlugin::SetOnline

//

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

//

void CSapiDataPlugin::SetOnline()

    {

    if ( iNetworkStatus != EOnline )

        {

        iNetworkStatus = EOnline;

        TRAP_IGNORE( iData->ChangePublisherStatusL( KOnLine ));

        }

    }

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

// CSapiDataPlugin::SetOffline

//

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