examples/AppFramework/Clock/ClockExample_AppView.cpp

/*
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  may be used to endorse or promote products derived from this software
  without specific prior written permission.

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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Description:  
*/


#include "ClockExample.h"


// Menu operations
void CExampleAppView::DoExperimentL( TInt aCommand )
        {

        if( aCommand < ETestDo10 )
                {
                // Digital clock commands
                switch( aCommand )
                        {
                case ETestDo0:
                        iDigitalClockPosition.iX -= 5;
                        iDigitalClock->SetPosition( iDigitalClockPosition );
                        break;
                        
                case ETestDo1:
                        iDigitalClockPosition.iX += 5;
                        iDigitalClock->SetPosition( iDigitalClockPosition );
                        break;
                        
                case ETestDo2:
                        iDigitalClock->SetVisible( EFalse );
                        break;

                case ETestDo3:
                        iAnalogClock->SetVisible( EFalse );
                        iDigitalClock->SetVisible( ETrue );                     
                        break;

                case ETestDo4:
                        iDigitalClockUniversalTimeOffset += ( EUTOffsetOneHour );
                        iDigitalClock->SetUniversalTimeOffset( iDigitalClockUniversalTimeOffset );
                        break;
                case ETestDo5:
                        iDigitalClockUniversalTimeOffset += ( EUTOffsetHalfHour );
                        iDigitalClock->SetUniversalTimeOffset( iDigitalClockUniversalTimeOffset );
                        break;
                        
                case ETestDo6:
                        iDigitalClockUniversalTimeOffset += ( EUTOffsetOneMinute );
                        iDigitalClock->SetUniversalTimeOffset( iDigitalClockUniversalTimeOffset );
                        break;

                case ETestDo7:
                        iDigitalClockUniversalTimeOffset += ( EUTOffsetOneSecond );
                        iDigitalClock->SetUniversalTimeOffset( iDigitalClockUniversalTimeOffset );
                        break;
                                                                        
                default:
                        break;  
                        }
                }
        else
                {
                // Analogue clock commands
                switch( aCommand )
                        {
                                
                case ETestDo10:
                        iAnalogClockPosition.iX -= 5;
                        iAnalogClock->SetPosition( iAnalogClockPosition );              
                        break;
                        
                case ETestDo11:
                        iAnalogClockPosition.iX += 5;
                        iAnalogClock->SetPosition( iAnalogClockPosition );              
                        break;
                        
                case ETestDo12: 
                        iAnalogClock->SetVisible( EFalse );
                        break;

                case ETestDo13:
                        iDigitalClock->SetVisible( EFalse );
                        iAnalogClock->SetVisible( ETrue );
                        break;

                case ETestDo14:
                        iAnalogClockUniversalTimeOffset += ( EUTOffsetOneHour );
                        iAnalogClock->SetUniversalTimeOffset( iAnalogClockUniversalTimeOffset );                
                        break;

                case ETestDo15:
                        iAnalogClockUniversalTimeOffset += ( EUTOffsetHalfHour );
                        iAnalogClock->SetUniversalTimeOffset( iAnalogClockUniversalTimeOffset );                
                        break;
                        
                case ETestDo16:
                        iAnalogClockUniversalTimeOffset += ( EUTOffsetOneMinute );
                        iAnalogClock->SetUniversalTimeOffset( iAnalogClockUniversalTimeOffset );                
                        break;
                        
                case ETestDo17:
                        iAnalogClockUniversalTimeOffset += ( EUTOffsetOneSecond );
                        iAnalogClock->SetUniversalTimeOffset( iAnalogClockUniversalTimeOffset );                
                        break;                  
                        
                default:
                        break;  
                        }
                }
        }

// Construct an Analog clock
void CExampleAppView::ConstructAnalogClockL()
        {
        
        iAnalogClockPosition.SetXY( 150, 20 );
        iAnalogClockSize.SetSize( 300, 222 );
        iAnalogClockUniversalTimeOffset = EUTOffsetBangalore;
        
        CWsScreenDevice* screenDevice = iCoeEnv->ScreenDevice();
        
        // Set the margins for cropping the picture
        TMargins margins;
        margins.iLeft = 50;
        margins.iRight = 50;
        margins.iTop = 50;
        margins.iBottom = 50;
        
        // Set shadow for analog clock
        STimeDeviceShadow  analogClockShadow;
        analogClockShadow.iIsOn = ETrue;
        analogClockShadow.iColor = KRgbGray;
        analogClockShadow.iOffset.SetXY( 3, 3 );

        // Load the bitmap image of an analog clock 
        CFbsBitmap* analogClockDial=new( ELeave ) CFbsBitmap;
        CleanupStack::PushL( analogClockDial );
        User::LeaveIfError( analogClockDial->Load( KMyMBS, CLOCK ) );
        analogClockDial->SetSizeInTwips( screenDevice );
        
        
        CFbsBitmap* analogClockDialMask = new( ELeave ) CFbsBitmap;
        CleanupStack::PushL( analogClockDialMask );
        User::LeaveIfError( analogClockDialMask->Load(KMyMBS, CLOCKMSK) );
        analogClockDialMask->SetSizeInTwips( screenDevice );

        // Create an analog clock
        iAnalogClock=new( ELeave ) RAnalogClock( iAnimDll, Window() );
        iAnalogClock->ConstructL( TTimeIntervalSeconds( iAnalogClockUniversalTimeOffset ), iAnalogClockPosition, 
                                                          iAnalogClockSize, margins, analogClockShadow,
                                                          analogClockDial->Handle(), analogClockDialMask->Handle(), 3 );


        // Set the hour hand 
        TAnalogDisplayHand analogClockHourHand(EAnalogDisplayHandOneRevPer12Hours);
        analogClockHourHand.AddLine(CGraphicsContext::ESolidPen, KRgbBlack, TSize(4, 4), TPoint(0, 10), TPoint(0, -55));
        iAnalogClock->AddHandL(analogClockHourHand);

        // Set the minute hand
        TAnalogDisplayHand analogClockMinuteHand(EAnalogDisplayHandOneRevPerHour);
        analogClockMinuteHand.AddLine(CGraphicsContext::ESolidPen, KRgbBlack, TSize(3, 3), TPoint(0, 10), TPoint(0, -87));
        iAnalogClock->AddHandL(analogClockMinuteHand);

        // Set the second hand
        TAnalogDisplayHand analogClockSecondsHand(EAnalogDisplayHandOneRevPerMinute);
        analogClockSecondsHand.AddLine( CGraphicsContext::ESolidPen, KRgbBlack, TSize(1, 1), TPoint(0, 10), TPoint(0, -90) );
        iAnalogClock->AddHandL(analogClockSecondsHand); 
        
        CleanupStack::PopAndDestroy(); // analogClockDialMask
        CleanupStack::PopAndDestroy(); // analogClockDial
                
        iAnalogClock->SetVisible( ETrue );      
        }
        
        
// Construct a Digital clock
void CExampleAppView::ConstructDigitalClockL()
        {
        iDigitalClockPosition.SetXY( 200, 100 );
        iDigitalClockSize.SetSize( 200, 70 );
        iDigitalClockUniversalTimeOffset = EUTOffsetBangalore;
                
        CWsScreenDevice* screenDevice = iCoeEnv->ScreenDevice();
        
        // Set the margins for cropping the picture
        TMargins margins;
        margins.iLeft = 50;
        margins.iRight = 50;
        margins.iTop = 50;
        margins.iBottom = 50;
        
        // Set shadow for digital clock
        STimeDeviceShadow digitalClockShadow;
        digitalClockShadow.iIsOn = ETrue;
        digitalClockShadow.iColor = KRgbGray;
        digitalClockShadow.iOffset.SetXY( 3, 3 );

        iDigitalClock = new(ELeave) RDigitalClock( iAnimDll, Window() );
        iDigitalClock->ConstructL( TTimeIntervalSeconds( iDigitalClockUniversalTimeOffset ), iDigitalClockPosition, iDigitalClockSize, margins, digitalClockShadow, TRgb(170, 170, 170),/*1*/ 2 );

        CDestructableFont* digitalClockFont = new( ELeave ) CDestructableFont( screenDevice );
        CleanupStack::PushL( digitalClockFont );
        
        _LIT(KArial,"arial");
        TFontSpec digitalClockFontSpec( KArial, screenDevice->VerticalPixelsToTwips(25) );
        digitalClockFontSpec.iFontStyle.SetPosture( EPostureItalic );
        digitalClockFontSpec.iFontStyle.SetStrokeWeight( EStrokeWeightBold );
        
        digitalClockFont->ConstructL( digitalClockFontSpec );
        
        // Set the time format
        _LIT(KDigitalClockTimeFormat,"%-B%J%:1%T:%S% %+B");
        iDigitalClock->AddTextSectionL( TDigitalDisplayTextSection(digitalClockFont->Handle(), TRgb(0, 0, 0),
                                                                                                                                EDigitalDisplayHorizontalTextAlignmentLeft,
                                                                                                                                EDigitalDisplayVerticalTextAlignmentTop,
                                                                                                                                30, 15, KDigitalClockTimeFormat) );

        // Set the date format
        _LIT(KDigitalClockDateFormat,"%*E %F%*D %Y");
        iDigitalClock->AddTextSectionL( TDigitalDisplayTextSection(digitalClockFont->Handle(), TRgb(0, 0, 0),
                                                                                                                                EDigitalDisplayHorizontalTextAlignmentLeft,
                                                                                                                                EDigitalDisplayVerticalTextAlignmentBottomExclDescent,
                                                                                                                                30, 15, KDigitalClockDateFormat) );


        CleanupStack::PopAndDestroy(); // digitalClockFont
        
        iDigitalClock->SetBackgroundColor( KRgbDarkGray, KRgbBlack );
        iDigitalClock->SetTextColor( KRgbWhite );
        iDigitalClock->SetVisible( EFalse );
        }


CExampleAppView::CExampleAppView()
: iAnimDll( iCoeEnv->WsSession() )
        {}

// Static function wraps up two-phase construction for the view.
CExampleAppView* CExampleAppView::NewL(const TRect& aRect)
        {
        CExampleAppView* self = new(ELeave) CExampleAppView();
        CleanupStack::PushL(self);
        self->ConstructL(aRect);
        CleanupStack::Pop();
        return self;
        }

CExampleAppView::~CExampleAppView()
        {
        delete iTextBuffer;
        delete iAnalogClock;
        delete iDigitalClock;
                
        iAnimDll.Close();
        }

// Standard initialisation for a window-owning control.
void CExampleAppView::ConstructL( const TRect& aRect )
    {
        // Fetch the text from the resource file.
        iTextBuffer = iEikonEnv->AllocReadResourceL( R_TITLE_TEXT_CLOCK_EXAMPLE );

   
        // Create the window owned by the view.
        CreateWindowL();
        // Set the view's size and position.
        SetRect(aRect);
        // Activate the view.
        ActivateL();
        
        _LIT(KClockDll,"CLOCKA.DLL");
        User::LeaveIfError( iAnimDll.Load(KClockDll) );
        
        ConstructDigitalClockL();
        ConstructAnalogClockL();
        }

// Draws the view with a simple outline rectangle and then
// draws the welcome text centred.
void CExampleAppView::Draw(const TRect& /*aRect*/) const
        {
        const TRect rect = Rect();
        CWindowGc& gc = SystemGc();
                
        // Font used for drawing text
        const CFont*     fontUsed;
        // Use the title font supplied by the UI
        fontUsed = iEikonEnv->TitleFont();
        gc.UseFont( fontUsed );

        // Draw the title text.
        gc.DrawText( *iTextBuffer, rect, 
                                 0+ fontUsed->HeightInPixels(), 
                                 CGraphicsContext::ECenter, 0 );
        
        gc.DiscardFont();
        }


CDestructableFont::CDestructableFont(CWsScreenDevice* aScreenDevice)
        :iScreenDevice(aScreenDevice)
        {}

void CDestructableFont::ConstructL(const TFontSpec& aFontSpec)
        {
        User::LeaveIfError(iScreenDevice->GetNearestFontInTwips((CFont*&)iFont, aFontSpec));
        }

CDestructableFont::~CDestructableFont()
        {
        iScreenDevice->ReleaseFont(iFont); 
        }

TInt CDestructableFont::Handle() const
        {
        return iFont->Handle();
        }

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