/*

* Copyright (c) 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:  Container for touch controls.

*

*/

#include <layoutmetadata.cdl.h>

#include <barsread.h>

#include "BMTouchPane.h"

#include "BMPanic.h"

#include "BMLayout4.h"

#include "BMLayout6.h"

#include "BMTouchPaneButton.h"

// CONSTANTS

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

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

// C++ default constructor

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

//

CBubbleTouchPane::CBubbleTouchPane()

    {

    }

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

// ConstructL

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

//

void CBubbleTouchPane::ConstructL()

    {

    }

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

// NewL

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

//

CBubbleTouchPane* CBubbleTouchPane::NewL()

    {

    CBubbleTouchPane* self = new(ELeave) CBubbleTouchPane;

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// Destructor

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

//

CBubbleTouchPane::~CBubbleTouchPane()

    {

    iButtons.ResetAndDestroy();

    iButtons.Close();

    iButtonsToBeDeleted.ResetAndDestroy();

    iButtonsToBeDeleted.Close();

    delete iIdleProcessor; 

    }

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

// SizeChanged

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

//

void CBubbleTouchPane::SizeChanged( )

    {

    if ( !iButtons.Count() )

        return;

    // button index

    //  1 2  OR  1 2 3 4

    //  3 4

    TInt i = 0;

    TInt rows = 0;

    TInt columns = 0;

    BubbleLayout6::button_grp_row_column_count(0, rows, columns);

    for ( TInt row = 0; row < rows; row++ )

        {

        for ( TInt col = 0; col < columns; col++ )

            {

            TAknLayoutRect buttonPane;        

            buttonPane.LayoutRect( 

                Rect(), 

                BubbleLayout6::cell_call6_button_pane(0, col, row) );

            if ( i < iButtons.Count() && iButtons[i] )

                {

                // Button control layout according to background

                AknLayoutUtils::LayoutControl( 

                    iButtons[i], 

                    buttonPane.Rect(), 

                    BubbleLayout6::button_call6_background_graphics(0)); 

                TAknLayoutText text;

                text.LayoutText( buttonPane.Rect(), 

                        BubbleLayout6::button_call6_function_text(0));

                TAknLayoutRect icon;

                icon.LayoutRect( buttonPane.Rect(), 

                        BubbleLayout6::button_call6_function_graphics(0));   

                iButtons[i]->SetIconSize( icon.Rect().Size() );

                iButtons[i++]->SetLayout( text, icon.Rect() );

                }

            }            

        }

    }

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

// CountComponentControls

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

//

TInt CBubbleTouchPane::CountComponentControls( ) const

    {

    return iButtons.Count();            

    }

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

// ComponentControl

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

//

CCoeControl* CBubbleTouchPane::ComponentControl( TInt aIndex ) const

    {

    return iButtons[ aIndex ];

    }

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

// HandlePointerEventL

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

//

void CBubbleTouchPane::HandlePointerEventL

    ( const TPointerEvent& aPointerEvent )           

    {

    CCoeControl::HandlePointerEventL( aPointerEvent );

    }

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

// HandleControlEventL

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

//    

void CBubbleTouchPane::HandleControlEventL(

    CCoeControl* aControl, 

    TCoeEvent aEventType)

    {

    if ( aEventType != EEventStateChanged )

        {

        return;

        }

    CBubbleTouchPaneButton* tappedButton = NULL;

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

        {

        if ( iButtons[i] == aControl )

            {

            tappedButton = iButtons[i];

            break;

            }    

        }

    if ( tappedButton )

        {

        iDeleteButtonsAsync = ETrue;

        CEikAppUi* appUi = CEikonEnv::Static()->EikAppUi();

        appUi->HandleCommandL( tappedButton->CommandId( ETrue ) );

        iDeleteButtonsAsync = EFalse;

        }    

    }

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

// HandleResourceChange

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

//    

void CBubbleTouchPane::HandleResourceChange( TInt aType )

    {

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

        {

        iButtons[i]->HandleResourceChange( aType );

        }    

    }

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

// SetUpdating

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

//    

void CBubbleTouchPane::SetUpdating( TBool aUpdating )

    {

    iUpdating = aUpdating;    

    }

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

// IdleCallback

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

//     

TInt CBubbleTouchPane::IdleCallback( TAny* aThis )

    {

    CBubbleTouchPane* self = 

            static_cast<CBubbleTouchPane*>( aThis );

    self->DoDeleteButtonsInIdle();

    return KErrNone;                

    }

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

// DoDeleteButtonsInIdle

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

//

void CBubbleTouchPane::DoDeleteButtonsInIdle()

    {

    iButtonsToBeDeleted.ResetAndDestroy();

    }

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

// SetButtonSet

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

//

TInt CBubbleTouchPane::SetButtonSet( TInt aResourceId )

    {

    TRAPD( err, SetButtonSetL( aResourceId ) );

    return err;    

    }

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

// SetButtonSetL

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

//

void CBubbleTouchPane::SetButtonSetL( TInt aResourceId )

    {

    // reset touch pane

    if ( iDeleteButtonsAsync )

        {

        // swap buttons to another array

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

            {

            iButtonsToBeDeleted.AppendL( iButtons[i] );    

            }

        iButtons.Reset();            

        }

    else

        {

        iButtons.ResetAndDestroy();    

        }        

    if ( iButtonsToBeDeleted.Count() )        

        {

        if ( !iIdleProcessor )

            {

            iIdleProcessor = CIdle::NewL( CActive::EPriorityIdle );                

            }

        if ( !iIdleProcessor->IsActive() )

            {

            TCallBack idleCallback( IdleCallback, this );

            iIdleProcessor->Start( idleCallback );            

            }            

        }

    iCurrentButtonSetId = 0;

    // load new buttons

    if ( aResourceId )    

        {

        TResourceReader reader;

        iCoeEnv->CreateResourceReaderLC( reader, aResourceId );

        LoadButtonsFromResourceL( reader );

        CleanupStack::PopAndDestroy();

        iCurrentButtonSetId = aResourceId;

        }

    }

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

// LoadButtonsFromResourceL

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

//

void CBubbleTouchPane::LoadButtonsFromResourceL( TResourceReader& aReader )

    {

    __ASSERT_DEBUG( (iButtons.Count() == 0), Panic( EBMPanicTouchPane ) );

    TInt flags = aReader.ReadInt16();

    TInt buttonCount = aReader.ReadInt16();

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

        {

        TInt buttonId( aReader.ReadInt32() );

        TResourceReader buttonReader;

        iCoeEnv->CreateResourceReaderLC( buttonReader, buttonId );

        CBubbleTouchPaneButton* button = CBubbleTouchPaneButton::NewL( 

                iIconProvider, flags );

        CleanupStack::PushL( button );

        button->ConstructFromResouceL( buttonReader ); 

        CleanupStack::Pop( button );

        CleanupStack::PopAndDestroy(); // buttonReader

        iButtons.Append( button );

        }

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

        {

        CBubbleTouchPaneButton* button = iButtons[i];

        button->SetContainerWindowL( *this );

        button->SetObserver( this );    

        button->ActivateL();

        }        

    SizeChanged();

    if ( IsVisible() )        

        {

        if ( iUpdating )

            {

            DrawDeferred();                

            }

        else

            {

            DrawNow();            

            }

        }

    }

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

// SetButtonState

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

//    

void CBubbleTouchPane::SetButtonState( TInt aCommand )

    {

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

        {

        TBool drawNow = ( IsVisible() && !iUpdating ) ? ETrue : EFalse;

        iButtons[i]->SetState( aCommand, drawNow );    

        }        

    }

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

// SetButtonDimmed

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

//

void CBubbleTouchPane::SetButtonDimmed( TInt aCommand, TBool aDimmed )

    {

    TInt buttonCount = iButtons.Count();

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

        {

        if ( iButtons[i]->CommandId() == aCommand )

            {

            iButtons[i]->SetDimmed( aDimmed );                

            }

        }    

    }

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

// NumberOfButtonsInPane

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

//    

TInt CBubbleTouchPane::NumberOfButtonsInPane()  const

    {

    return CountComponentControls();

    }

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

// ButtonCommandId

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

//

TInt CBubbleTouchPane::ButtonCommandId( TInt aButtonIndex ) const

    {

    return iButtons[ aButtonIndex ]->CommandId();    

    }

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

// ButtonHasState

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

//    

TBool CBubbleTouchPane::ButtonHasState( TInt aButtonIndex, TInt aCommand ) const

    {

    return iButtons[ aButtonIndex ]->HasState( aCommand );   

    }

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

// ReplaceButton

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

//    

TInt CBubbleTouchPane::ReplaceButton( TInt aButtonIndex, TInt aResourceId )

    {

    TInt err;

    if ( 0 <= aButtonIndex && aButtonIndex < iButtons.Count() &&

         aResourceId )

        {

        TRAP( err, ReplaceButtonL( aButtonIndex, aResourceId ) );

        }

    else

        {

        err = KErrGeneral;    

        }        

    return err;    

    }

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

// ReplaceButton

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

//    

void CBubbleTouchPane::ReplaceButtonL( TInt aButtonIndex, TInt aResourceId )

    {

    TResourceReader reader;

    iCoeEnv->CreateResourceReaderLC( reader, aResourceId );

    CBubbleTouchPaneButton* button = CBubbleTouchPaneButton::NewL( 

                                     iIconProvider);

    CleanupStack::PushL( button );

    button->ConstructFromResouceL( reader ); 

    CleanupStack::Pop( button );

    CleanupStack::PopAndDestroy(); // reader

    button->SetContainerWindowL( *this );

    button->SetObserver( this );    

    button->ActivateL();

    if ( !iDeleteButtonsAsync )

        {

        delete iButtons[ aButtonIndex ];

        iButtons[ aButtonIndex ] = NULL;        

        }

    else

        {

        iButtonsToBeDeleted.Append( iButtons[ aButtonIndex ] );

        iButtons[ aButtonIndex ] = NULL;    

        if ( !iIdleProcessor )

            {

            iIdleProcessor = CIdle::NewL( CActive::EPriorityIdle );                

            }

        if ( !iIdleProcessor->IsActive() )

            {

            TCallBack idleCallback( IdleCallback, this );

            iIdleProcessor->Start( idleCallback );            

            }

        }            

    iButtons[ aButtonIndex ] = button;

    SizeChanged();

    if ( IsVisible() )        

        {

        DrawDeferred();            

        }

    }

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

// SetIconProvider

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

//

void CBubbleTouchPane::SetIconProvider(

    MBubbleTouchPaneIconProvider* aIconProvider )

    {

    iIconProvider = aIconProvider;    

    }