/*

* Copyright (c) 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:  Data class to hold view data info

*

*/

// System includes

#include <babitflags.h>

// User includes

#include <aifwdefs.h>

#include <aifwpublisherinfo.h>

#include "xnappuiadapter.h"

#include "xncomposer.h"

#include "xnodtparser.h"

#include "xnviewmanager.h"

#include "xnviewdata.h"

#include "xnpublisherdata.h"

#include "xncontroladapter.h"

#include "xndomnode.h"

#include "xnnode.h"

#include "xnoomsyshandler.h"

#include "ainativeuiplugins.h"

#include "xnpanic.h"

#include "debug.h"

// Constants

_LIT8( KNs, "namespace" );

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

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

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

// CXnViewData::NewL()

// Two-phased constructor.

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

//

CXnViewData* CXnViewData::NewL( CXnPluginData& aParent )

    {

    CXnViewData* self = CXnViewData::NewLC( aParent );

    CleanupStack::Pop( self );

    return self;

    }

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

// CXnViewData::NewLC()

// Two-phased constructor.

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

//

CXnViewData* CXnViewData::NewLC( CXnPluginData& aParent )

    {

    CXnViewData* self = new ( ELeave ) CXnViewData( aParent );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// CXnViewData::CXnViewData()

// C++ default constructor

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

//

CXnViewData::CXnViewData( CXnPluginData& aParent )

    : CXnPluginData( aParent )

    {

    // By default view data is removable

    iFlags.Set( EIsRemovable );      

    }

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

// CXnViewData::~CXnViewData()

// C++ default destructor.

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

//

CXnViewData::~CXnViewData()

    {

    Destroy();

    }

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

// CXnViewData::ConstructL()

// 2nd phase constructor

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

//

void CXnViewData::ConstructL()

    {

    CXnPluginData::ConstructL();

    }

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

// CXnViewData::SetActive()

// 

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

//

TInt CXnViewData::SetActive( TBool aActive )

    {    

    TBool active( Active() );

    TInt err( KErrNone );

    if ( !Occupied() )

        {

        err = KErrGeneral;

        }    

    else if ( active == aActive )

        {

        err = KErrNone;

        }

    else

        {

        if ( aActive )

            {

            if ( iFlags.IsSet( EIsInitial ) )

                {

                // Load device status plugin here because it is always needed

                THsPublisherInfo devstat( KDeviceStatusPluginUid, 

                    KDeviceStatusPluginName, KNs ); 

                TAiFwPublisherInfo publisher( devstat,

                    TAiFwCallback(), EAiFwSystemStartup );

                CXnAppUiAdapter* appui = 

                    static_cast< CXnAppUiAdapter* >( iAvkonAppUi );

                appui->LoadPublisher( publisher );

                }

            iFlags.Set( EIsActive );

            iFlags.Clear( EIsInitial );

            LoadPublishers( EAiFwPageStartup );

            err = iLoadError;

            iLoadError = KErrNone;

            }

        else

            {                              

            DestroyPublishers( EAiFwPageShutdown );

            iFlags.Clear( EIsActive );

            }    

        }       

    return err;

    }

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

// CXnViewData::Load()

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

//

TInt CXnViewData::Load()

    {

    TInt err( KErrNone );

    if ( Occupied() )

        {

        err = KErrInUse;

        }      

    else if ( !CXnOomSysHandler::HeapAvailable( VIEW_MIN_MEM ) )

        {                                

        err = KErrNoMemory;

        }

    else

        {                

        TRAP( err, err = iManager.Composer().ComposeViewL( *this ) );

        if ( err == KErrNone )

            {

            TRAP( err, iManager.Parser().LoadViewL( *this ) );

            }

        if ( err == KErrNone )

            {                  

            // Load view's initial widgets

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

                {

                if ( iPluginsData[i]->PluginId() != KNullDesC8 )

                    {                    

                    TInt err2( iPluginsData[i]->Load() );

                    if ( err2 == KXnErrWidgetPluginFailure )

                        {

                        err = err2;                                        

                        }          

                    else if ( err2 == KErrNoMemory )

                        {                                          

                        err = err2;                                                                  

                        break;

                        }

                    }

                }

            // Succesfully enough composed, publishers 

            // will be loaded when view is activated

            }                   

        }

    iLoadError = err;

    return iLoadError;

    }

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

// CXnViewData::Destroy()

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

//

void CXnViewData::Destroy()

    {

    if ( Occupied() )

        {        

        // View is deleted, pretend plugin is removed from UI

        DestroyPublishers( EAiFwPluginShutdown );

        iManager.Parser().DestroyView( *this );

        }

    delete iBgImage;

    iBgImage = NULL;

    delete iBgImagePath;

    iBgImagePath = NULL;

    iLoadError = KErrNone;

    Flush();      

    }

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

// CXnViewData::Plugin()

// Finds plugin or view data based on node

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

//

CXnPluginData* CXnViewData::Plugin( CXnNode* aNode )

    {

    if ( !aNode ) 

        { 

        return NULL; 

        }

    CXnDomNode* view( Node() );

    if ( aNode->ViewNodeImpl() )

        {

        // Reached view, return self

        if ( view && view->LayoutNode() == aNode )

            {

            return this;

            }

        }

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

        {

        CXnDomNode* plugin( iPluginsData[i]->Owner() );

        if ( plugin && plugin->LayoutNode() == aNode )

            {

            return iPluginsData[i];

            }

        }

    // Not found, try parent

    CXnNode* parent( aNode->Parent() );

    return Plugin( parent );

    }

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

// CXnViewData::Plugin()

// Finds plugin or view data based on namespace

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

//

CXnPluginData* CXnViewData::Plugin( const TDesC8& aNamespace )

    {

    if ( aNamespace == KNullDesC8 )

        {

        // No namespace, return self for global access

        return this;

        }

    CXnDomNode* view( Node() );

    if ( view && view->LayoutNode()->Namespace() == aNamespace )

        {

        return this;

        }

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

        {

        CXnDomNode* widget( iPluginsData[i]->Node() );

        if ( widget && widget->LayoutNode()->Namespace() == aNamespace )

            {

            return iPluginsData[i];

            }

        }

    return NULL;

    }

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

// CXnViewData::ViewNode()

// Returns this view data's view node

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

//

CXnNode* CXnViewData::ViewNode() const

    {

    return iNode->LayoutNode();

    }

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

// CXnViewData::SetWallpaperImage

// Store background image. Ownership is transferred.

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

//

void CXnViewData::SetWallpaperImage( CFbsBitmap* aBitmap )

    {

    delete iBgImage;

    iBgImage = aBitmap;

    }

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

// CXnViewData::WallpaperImage

// Get wallpaper image.

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

//

CFbsBitmap* CXnViewData::WallpaperImage() const

    {

    return iBgImage;

    }

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

// CXnViewData::SetWallpaperImagePathL

//

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

//

void CXnViewData::SetWallpaperImagePathL( const TDesC& aFileName )

    {

    if( !iBgImagePath || iBgImagePath->Des() != aFileName )

        {

        delete iBgImagePath;

        iBgImagePath = NULL;

        iBgImagePath = aFileName.AllocL();

        }

    }

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

// CXnViewData::WallpaperImagePath

//

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

//

const TDesC& CXnViewData::WallpaperImagePath() const

    {

    if( iBgImagePath )

        {

        return *iBgImagePath;        

        }

    return KNullDesC;

    }

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

// CXnViewData::ResourcesL()

// Gets this view data's resources

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

//

void CXnViewData::ResourcesL( CArrayPtrSeg< CXnResource >& aList ) const

    {

    // Get my resources

    CXnPluginData::ResourcesL( aList );

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

        {

        // And resources which my plugin holds

        iPluginsData[i]->ResourcesL( aList );

        }

    }

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

// CXnViewData::ControlsL()

// Gets this view data's controls

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

//

void CXnViewData::ControlsL( RPointerArray< CXnControlAdapter >& aList ) const

    {

    // Get my controls

    CXnPluginData::ControlsL( aList );

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

        {

        // And controls which my plugin holds

        iPluginsData[i]->ControlsL( aList );

        }

    }

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

// CXnViewData::PluginNodesL()

// Gets this view data's appearance nodes

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

//

void CXnViewData::AppearanceNodesL( RPointerArray< CXnNode >& aList ) const

    {

    // Get my appearance nodes

    CXnPluginData::AppearanceNodesL( aList );

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

        {

        // And appearance nodes which my plugin holds

        iPluginsData[i]->AppearanceNodesL( aList );

        }

    }

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

// CXnViewData::PopupNodesL()

// Gets this view data's popup nodes

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

//

void CXnViewData::PopupNodesL( RPointerArray< CXnNode >& aList ) const

    {

    // Get my Popup nodes

    CXnPluginData::PopupNodesL( aList );

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

        {

        // And Popup nodes which my plugin holds

        iPluginsData[i]->PopupNodesL( aList );

        }

    }

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

// CXnViewData::InitialFocusNodesL()

// Gets this view data's initial focus nodes

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

//

void CXnViewData::InitialFocusNodesL( RPointerArray< CXnNode >& aList ) const

    {

    // Offer widgets initial focus nodes by default first

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

        {

        // And appearance nodes which my plugin holds

        iPluginsData[i]->InitialFocusNodesL( aList );

        }

    // Get my initial focus nodes

    CXnPluginData::InitialFocusNodesL( aList );

    }

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

// CXnViewData::ContentSourceNodesL()

// Gets this view data's content source nodes

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

//

void CXnViewData::ContentSourceNodesL( RPointerArray< CXnNode >& aList ) const

    {

    // Get my data publisher nodes

    CXnPluginData::ContentSourceNodesL( aList );

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

        {

        // And publisher nodes which my plugin holds

        iPluginsData[i]->ContentSourceNodesL( aList );

        }

    }

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

// CXnViewData::PluginNodesL()

// Gets this view data's plugin nodes

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

//

void CXnViewData::PluginNodesL( RPointerArray< CXnNode >& aList ) const

    {

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

        {

        // And controls which my plugin holds

        aList.AppendL( iPluginsData[i]->Owner()->LayoutNode() );

        }

    }

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

// CXnViewData::LoadPublishers

// Loads data plugins associated to the plugin

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

//

void CXnViewData::LoadPublishers( TInt aReason )

    {

    __PRINTS( "*** CXnViewData::LoadPublishers" );

    if( !Active() || !Occupied() )

        {               

        __PRINTS( "*** CXnViewData::LoadPublishers - done, !Active() || !Occupied()" );

        return;

        }

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

        {

        CXnPluginData* plugin( iPluginsData[i] );

        if ( plugin->Occupied() )

            {            

            plugin->LoadPublishers( aReason );

            }

        }

    CXnPluginData::LoadPublishers( aReason );

    __PRINTS( "*** CXnViewData::LoadPublishers - done" );

    }

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

// CXnViewData::NotifyPublisherReadyL

// Notifies a publisher is ready

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

//

void CXnViewData::NotifyPublisherReadyL()