/*

* Copyright (c) 2007 - 2010 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:  Shows number keypad and generates keypress event when 

*                 buttons are pressed.

*

*/

// INCLUDE FILES

#include <e32event.h>

#include <gulicon.h>

#include <eikapp.h>

#include <aknbutton.h>

#include <AknControl.h>

#include <AknsUtils.h>

#include <AknsSkinInstance.h>

#include <AknsDrawUtils.h>

#include <AknsConstants.h>

#include <aknlayoutscalable_apps.cdl.h>

#include <layoutmetadata.cdl.h>

#include <data_caging_path_literals.hrh> // for KDC_APP_RESOURCE_DIR

#include <touchfeedback.h>

#include <aknlayoutscalable_avkon.cdl.h>

#include <AknsFrameBackgroundControlContext.h>

#include "cdialerkeypadcontainer.h"

#include "dialercommon.h"

#include "dialertrace.h"

#include "cdialerkeypadbutton.h"

// Number of buttons in this container

const TInt KNumberOfButtons = 12; 

struct TDialerButton

    {

    TMifDialer iBitmap;

    TMifDialer iBitmapMask;

    TInt iScanCode;

    TInt iKeyCode;

    };  

const TDialerButton KKeyPadButtons[ KNumberOfButtons ] =

    {

        { EMbmDialerQgn_indi_dialer_voicemail,

          EMbmDialerQgn_indi_dialer_voicemail_mask, 

          '1',

          '1'

        },

        { KDialerNoIcon, KDialerNoIcon, 

          '2', '2' },

        { KDialerNoIcon, KDialerNoIcon,  

          '3', '3' },

        { KDialerNoIcon, KDialerNoIcon,  

          '4', '4' },

        { KDialerNoIcon, KDialerNoIcon,  

          '5', '5' },

        { KDialerNoIcon, KDialerNoIcon,  

          '6', '6' },

        { KDialerNoIcon, KDialerNoIcon, 

          '7', '7' },

        { KDialerNoIcon, KDialerNoIcon,  

          '8', '8' },

        { KDialerNoIcon, KDialerNoIcon,  

          '9', '9' },

        { KDialerNoIcon, KDialerNoIcon,  

          EStdKeyNkpAsterisk, '*'  },

        { EMbmDialerQgn_indi_dialer_internet, 

          EMbmDialerQgn_indi_dialer_internet_mask,  

          '0', '0' },

        { KDialerNoIcon, KDialerNoIcon,      

          EStdKeyHash, '#' }

    };

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

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

// Symbian OS two phased constructor

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

//

CDialerKeyPadContainer* CDialerKeyPadContainer::NewL( 

    const CCoeControl& aContainer,

    TDialerOperationMode aOperatingMode

     )

    {

    CDialerKeyPadContainer* self = 

        new( ELeave )CDialerKeyPadContainer ( aContainer, aOperatingMode );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

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

// Symbian OS two phased constructor

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

//

void CDialerKeyPadContainer::ConstructL()

    {    

    DIALER_PRINT("KeyPadContainer::ConstructL<");

    BaseConstructL();

    iKeyLabelManager = CDialerKeyPadLabelManager::NewL( *iCoeEnv, *this );

    CreateButtonsL();

    iCoeEnv->AddForegroundObserverL( *this );

    DIALER_PRINT("KeyPadContainer::ConstructL>");

    }

// Constructor

CDialerKeyPadContainer::CDialerKeyPadContainer( 

    const CCoeControl& aContainer, 

    TDialerOperationMode aOperatingMode )

    : CDialerContainerBase ( 

        const_cast<CCoeControl&>(aContainer) ),

      iOperatingMode( aOperatingMode )

    {

    }

// Destructor

CDialerKeyPadContainer::~CDialerKeyPadContainer()

    {

    iButtons.ResetAndDestroy();

    iCoeEnv->RemoveForegroundObserver( *this );

    delete iKeyLabelManager;

    }

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

// CDialerKeyPadContainer::CountComponentControls

//

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

//

TInt CDialerKeyPadContainer::CountComponentControls() const

    {

    return KNumberOfButtons;

    }

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

// CDialerKeyPadContainer::ComponentControl

//

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

//

CCoeControl* CDialerKeyPadContainer::ComponentControl( TInt aIndex ) const

    {

    __ASSERT_DEBUG( aIndex < KNumberOfButtons, 

    _L("CDialerKeyPadContainer::ComponentControl, index out of range."));

    return iButtons[aIndex];

    }

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

// CDialerKeyPadContainer::HandlePointerEventL

//

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

//  

void CDialerKeyPadContainer::HandlePointerEventL(

    const TPointerEvent& aPointerEvent )

    {

    DIALER_PRINT("KeyPadContainer::HandlePointerEventL<");    

    CCoeControl::HandlePointerEventL( aPointerEvent );    

    if ( aPointerEvent.iType == TPointerEvent::EButton1Down ) 

        {

        iPointerEvent = aPointerEvent; 

        iKeyUpSimulatedDueToDragging = EFalse;

        }

    DIALER_PRINT("KeyPadContainer::HandlePointerEventL>");     

    }

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

// CDialerKeyPadContainer::SetVariety

//

// Set variety according to current state.

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

//

void CDialerKeyPadContainer::SetVariety()

    {

    if ( Layout_Meta_Data::IsLandscapeOrientation() )

        {

        iVariety = EVideoVarietyLandscape;

        }

    else

        {

        iVariety = EVideoVarietyPortrait;

        }

    }

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

// CDialerKeyPadContainer::SetLayout

//

// Set layout for video dtmf or phone dialer 

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

//

void CDialerKeyPadContainer::SetLayout()

    {

    if ( iOperatingMode == EModeDialer ||

         iOperatingMode == EModeEasyDialing )

        {

        // Same renewed layout is used regardless of the status

        // of Easy Dialing

        SetEasyDialingLayout();

        }

    else

        {

        SetVideoLayout();

        }

    }

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

// CDialerKeyPadContainer::SetPhoneLayout

//

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

//

void CDialerKeyPadContainer::SetPhoneLayout()

    {

    // Set Number entry layout.

    /*

    // LAF Table : grid_dialer2_keypad_pane

    inline TAknLayoutScalableParameterLimits cell_dialer2_keypad_pane_ParamLimits()

    inline TAknWindowComponentLayout cell_dialer2_keypad_pane()

    // LAF Table : cell_dialer2_keypad_pane

    inline TAknLayoutScalableParameterLimits bg_button_pane_pane_cp04_ParamLimits()

    inline TAknWindowComponentLayout bg_button_pane_pane_cp04()

    inline TAknLayoutScalableParameterLimits cell_dialer2_keypad_pane_g1_ParamLimits()

    */

    TRect parentRect( Rect() );

    // Layout buttons

    TAknLayoutScalableParameterLimits limits = 

        AknLayoutScalable_Apps::cell_dialer2_keypad_pane_ParamLimits( iVariety );

    TInt i = 0;

    for ( TInt row = limits.FirstRow(); row <= limits.LastRow(); row++ )

        {

        for ( TInt col = limits.FirstColumn(); 

              col <= limits.LastColumn(); col++ )

            {

            iButtons[i]->SetVariety( iVariety );

            iButtons[i]->SetOperationMode( iOperatingMode );

            AknLayoutUtils::LayoutControl( iButtons[i], parentRect, TAknWindowComponentLayout::Compose( 

                    AknLayoutScalable_Apps::cell_dialer2_keypad_pane( iVariety, col, row ), 

                    AknLayoutScalable_Apps::bg_button_pane_pane_cp04( iVariety ) ) );

            i++;

            }

        }

    }

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

// CDialerKeyPadContainer::SetEasyDialingLayout

//

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

//

void CDialerKeyPadContainer::SetEasyDialingLayout()

    {

    TRect parentRect( Rect() );

    // Layout buttons

    TAknLayoutScalableParameterLimits limits = 

        AknLayoutScalable_Apps::cell_dialer2_keypad_pane_ParamLimits( iVariety );

    // Rectangle of the first button

    TAknLayoutRect buttonLayoutRect;

    buttonLayoutRect.LayoutRect( parentRect, 

            AknLayoutScalable_Apps::cell_dia3_key_num_pane( iVariety ) );

    TRect firstButtonRect = buttonLayoutRect.Rect();

    // Move the first button rect to top-left-corner of the keypad area, 

    // the default place is wrong in mirrored layout.

    firstButtonRect.SetRect( parentRect.iTl, firstButtonRect.Size() );

    TInt colCount = limits.LastColumn() - limits.FirstColumn() + 1;

    for ( TInt row = limits.FirstRow() ; row <= limits.LastRow() ; row++ )

        {

        for ( TInt col = limits.FirstColumn() ; col <= limits.LastColumn() ; col++ )

            {

            // Calculate corresponding index in iButtons array

            TInt idx = col + row * colCount;

            // Set mode and variety so that correct button internal layout will be used.

            // Always use ED mode, so that text labels are visible even when ED is off.

            iButtons[idx]->SetVariety( iVariety );

            iButtons[idx]->SetOperationMode( EModeEasyDialing );

            // Layout button

            TRect buttonRect = firstButtonRect;

            buttonRect.Move( col * buttonRect.Width(), row * buttonRect.Height() );

            buttonRect.Shrink( 1, 1 ); // to create small gap between buttons

            iButtons[idx]->SetRect( buttonRect );

            }

        }

    }

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

// CDialerKeyPadContainer::SetVideoLayout

//

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

//

void CDialerKeyPadContainer::SetVideoLayout()

    {

    TRect parentRect( Rect() );

    TAknLayoutScalableParameterLimits limits = 

        AknLayoutScalable_Apps::cell_video_dialer_keypad_pane_ParamLimits( iVariety ) ;

    TInt i = 0;

    for ( TInt row = limits.FirstRow(); row <= limits.LastRow(); row++ )

        {

        for ( TInt col = limits.FirstColumn(); 

              col <= limits.LastColumn(); 

              col++ )

            {

            iButtons[i]->SetVariety( iVariety );

            iButtons[i]->SetOperationMode( iOperatingMode );

            // Layout button

            AknLayoutUtils::LayoutControl(

                iButtons[i], parentRect, 

                TAknWindowComponentLayout::Compose( 

                    AknLayoutScalable_Apps::cell_video_dialer_keypad_pane( 

                        iVariety, col, row ),             

                    AknLayoutScalable_Apps::bg_button_pane_cp08( iVariety ) ) );

            i++;

            }

        }

    }

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

// CDialerKeyPadContainer::CreateButtonsL

//

// Create buttons for this container.

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

//

void CDialerKeyPadContainer::CreateButtonsL()

    {

    DIALER_PRINT("KeyPadContainer::CreateButtonsL<");

    TInt flags ( KAknButtonReportOnKeyDown  |

                 KAknButtonRequestExitOnButtonUpEvent );

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

        {

        const TPtrC numLabel = iKeyLabelManager->ButtonNumLabel( i );

        const TPtrC alphaLabel = iKeyLabelManager->ButtonFirstAlphaLabel( i );

        const TPtrC secondAlphaLabel = iKeyLabelManager->ButtonSecondAlphaLabel( i );

        CDialerKeyPadButton* button = CDialerKeyPadButton::NewLC( 

            numLabel,

            alphaLabel,

            secondAlphaLabel,

            KKeyPadButtons[i].iScanCode,

            KKeyPadButtons[i].iKeyCode,

            KKeyPadButtons[i].iBitmap,

            KKeyPadButtons[i].iBitmapMask,

            flags );

        iButtons.AppendL( button );

        CleanupStack::Pop( button );

        button->SetMopParent( this );

        button->SetParent( this );

        button->SetContainerWindowL( *this );

        button->SetObserver( this );

        button->ActivateL();

        }     

    DIALER_PRINT("KeyPadContainer::CreateButtonsL>");

    }

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

// CDialerKeyPadContainer::HandleControlEventL

//

// Handles an event from an observed button item.

// Finds the pressed button and generates key press event, which

// is handled by parent control.

//

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

//

void CDialerKeyPadContainer::HandleControlEventL( CCoeControl* aControl,

                                                TCoeEvent aEventType )

    {

    DIALER_PRINTF("KeyPadContainer::HandleControlEventL.EventType=",

                 (TInt)aEventType);

    if ( aEventType == EEventStateChanged || 

         aEventType == EEventRequestCancel ||

         aEventType == EEventRequestExit ||

         aEventType == CDialerKeyPadButton::EEventDraggingOutsideButton )

        {

        // Find tapped control 

        CDialerKeyPadButton* tappedButton = NULL;

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

            {

            if ( iButtons[i] == aControl )

                {

                tappedButton = iButtons[i];

                break;

                }    

            }

        if ( !tappedButton )

            {

            __ASSERT_DEBUG( EFalse, DialerPanic( EDialerPanicEventFromUnknownControl ) );

            return;

            }

        // Send key event to phone.

        TKeyEvent keyEvent;

        keyEvent.iCode = 0; // iCode should be 0 for all but EEventKey type of events

        keyEvent.iScanCode = tappedButton->ScanCode();

        keyEvent.iModifiers = ( EModifierNumLock | EModifierKeypad ); // Mark that this event is dialer simulated

        keyEvent.iRepeats = 0;

        switch ( aEventType )

            {

            case EEventRequestExit:

            case EEventRequestCancel:

                {

                DIALER_PRINT("HandleControlEventL.EEventRequestExit");

                iButtonPressedDown = EFalse;

                if ( !iKeyUpSimulatedDueToDragging )

                    {

                    ControlEnv()->SimulateKeyEventL( keyEvent, EEventKeyUp );

                    }

                iKeyUpSimulatedDueToDragging = EFalse;

                }

                break;

            case EEventStateChanged:

                {    

                DIALER_PRINT("HandleControlEventL.EEventStateChanged");

                iButtonPressedDown = ETrue;

                iParentControl.PrepareForFocusGainL();

                ControlEnv()->SimulateKeyEventL( keyEvent, EEventKeyDown );

                if ( iButtonPressedDown )

                    {

                    // Send event key if key havent be lifted up already

                    keyEvent.iCode = tappedButton->KeyCode();

                    ControlEnv()->SimulateKeyEventL( keyEvent, EEventKey );

                    }

                }

                break;

            case CDialerKeyPadButton::EEventDraggingOutsideButton:

                {

                DIALER_PRINT("HandleControlEventL.EEventDraggingOutsideButton");

                // User hasn't released touch yet but in order to cancel

                // long press action handled and initiated by parent control, 

                // we must send key up event now.

                if ( !iKeyUpSimulatedDueToDragging )

                    {

                    ControlEnv()->SimulateKeyEventL( keyEvent, EEventKeyUp );

                    iKeyUpSimulatedDueToDragging = ETrue;

                    }

                }

                break;

            default:

            break;

            }

        }

    DIALER_PRINT("KeyPadContainer::HandleControlEventL>");

    }

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

// CDialerKeyPadContainer::HandleResourceChange

//

// Forwards skin change event to buttons

//

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

//

void CDialerKeyPadContainer::HandleResourceChange( TInt aType )

    {

    if ( aType == KAknsMessageSkinChange )

        {    

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

            {

            iButtons[i]->HandleResourceChange( aType );

            }

        }

    }

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

// CDialerKeyPadContainer::MakeVisible

//

// Called when dialer control becomes visible or invisible

//

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

//

void CDialerKeyPadContainer::MakeVisible( TBool aVisible )

    {

    // This is needed when dialer control disappeares during keypress. 

    // Last pressed pointer event must be forwarted to framework 

    // as pointer up event. Thus button is set to unpressed state etc. 

    // This code calls HandlePointerEventL of the parent class instead of this.

    // If we call this classes HandlePointerEventL, this classes 

    // grab status is not cleared, and later coming EButton1Up events may end

    // up erroneously to this class, although intended elsewhere.

    // 

    if ( !aVisible && iButtonPressedDown && Parent() )

        {    

        iPointerEvent.iType = TPointerEvent::EButton1Up;

        TRAP_IGNORE( Parent()->HandlePointerEventL( iPointerEvent ) );

        }    

    CCoeControl::MakeVisible( aVisible );