path: root/UnoControls/source/controls/statusindicator.cxx

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//____________________________________________________________________________________________________________
//	my own includes
//____________________________________________________________________________________________________________

#include "statusindicator.hxx"

//____________________________________________________________________________________________________________
//	includes of other projects
//____________________________________________________________________________________________________________
#include <com/sun/star/awt/InvalidateStyle.hpp>
#include <com/sun/star/awt/WindowAttribute.hpp>
#include <cppuhelper/typeprovider.hxx>
#include <tools/debug.hxx>

//____________________________________________________________________________________________________________
//	includes of my project
//____________________________________________________________________________________________________________
#include "progressbar.hxx"

//____________________________________________________________________________________________________________
//	namespace
//____________________________________________________________________________________________________________

using namespace	::cppu					;
using namespace	::osl					;
using namespace	::rtl					;
using namespace	::com::sun::star::uno	;
using namespace	::com::sun::star::lang	;
using namespace	::com::sun::star::awt	;
using namespace	::com::sun::star::task	;

namespace unocontrols{

//____________________________________________________________________________________________________________
//	construct/destruct
//____________________________________________________________________________________________________________

StatusIndicator::StatusIndicator( const Reference< XMultiServiceFactory >& xFactory )
    : BaseContainerControl	( xFactory	)
{
    // Its not allowed to work with member in this method (refcounter !!!)
    // But with a HACK (++refcount) its "OK" :-(
    ++m_refCount ;

    // Create instances for fixedtext and progress ...
    m_xText			= Reference< XFixedText > 	( xFactory->createInstance( OUString::createFromAscii( FIXEDTEXT_SERVICENAME	) ), UNO_QUERY );
    m_xProgressBar	= Reference< XProgressBar >	( xFactory->createInstance( OUString::createFromAscii( SERVICENAME_PROGRESSBAR	) ), UNO_QUERY );
    // ... cast controls to Reference< XControl > and set model ...
    // ( ProgressBar has no model !!! )
    Reference< XControl > xTextControl		( m_xText		, UNO_QUERY );
    Reference< XControl > xProgressControl	( m_xProgressBar, UNO_QUERY );
    xTextControl->setModel( Reference< XControlModel >( xFactory->createInstance( OUString::createFromAscii( FIXEDTEXT_MODELNAME ) ), UNO_QUERY ) );
    // ... and add controls to basecontainercontrol!
    addControl( OUString::createFromAscii( CONTROLNAME_TEXT			), xTextControl   	);
    addControl( OUString::createFromAscii( CONTROLNAME_PROGRESSBAR	), xProgressControl	);
    // FixedText make it automaticly visible by himself ... but not the progressbar !!!
    // it must be set explicitly
    Reference< XWindow > xProgressWindow( m_xProgressBar, UNO_QUERY );
    xProgressWindow->setVisible( sal_True );
    // Reset to defaults !!!
    // (progressbar take automaticly its own defaults)
    m_xText->setText( OUString::createFromAscii( STATUSINDICATOR_DEFAULT_TEXT ) );

    --m_refCount ;
}

StatusIndicator::~StatusIndicator()
{
    // Release all references
    m_xText			= Reference< XFixedText >();
    m_xProgressBar	= Reference< XProgressBar >();
}

//____________________________________________________________________________________________________________
//	XInterface
//____________________________________________________________________________________________________________

Any SAL_CALL StatusIndicator::queryInterface( const Type& rType ) throw( RuntimeException )
{
    // Attention:
    //	Don't use mutex or guard in this method!!! Is a method of XInterface.
    Any aReturn ;
    Reference< XInterface > xDel = BaseContainerControl::impl_getDelegator();
    if ( xDel.is() )
    {
        // If an delegator exist, forward question to his queryInterface.
        // Delegator will ask his own queryAggregation!
        aReturn = xDel->queryInterface( rType );
    }
    else
    {
        // If an delegator unknown, forward question to own queryAggregation.
        aReturn = queryAggregation( rType );
    }

    return aReturn ;
}

//____________________________________________________________________________________________________________
//	XInterface
//____________________________________________________________________________________________________________

void SAL_CALL StatusIndicator::acquire() throw()
{
    // Attention:
    //	Don't use mutex or guard in this method!!! Is a method of XInterface.

    // Forward to baseclass
    BaseControl::acquire();
}

//____________________________________________________________________________________________________________
//	XInterface
//____________________________________________________________________________________________________________

void SAL_CALL StatusIndicator::release() throw()
{
    // Attention:
    //	Don't use mutex or guard in this method!!! Is a method of XInterface.

    // Forward to baseclass
    BaseControl::release();
}

//____________________________________________________________________________________________________________
//	XTypeProvider
//____________________________________________________________________________________________________________

Sequence< Type > SAL_CALL StatusIndicator::getTypes() throw( RuntimeException )
{
    // Optimize this method !
    // We initialize a static variable only one time. And we don't must use a mutex at every call!
    // For the first call; pTypeCollection is NULL - for the second call pTypeCollection is different from NULL!
    static OTypeCollection* pTypeCollection = NULL ;

    if ( pTypeCollection == NULL )
    {
        // Ready for multithreading; get global mutex for first call of this method only! see before
        MutexGuard aGuard( Mutex::getGlobalMutex() );

        // Control these pointer again ... it can be, that another instance will be faster then these!
        if ( pTypeCollection == NULL )
        {
            // Create a static typecollection ...
            static OTypeCollection aTypeCollection	( ::getCppuType(( const Reference< XLayoutConstrains	>*)NULL )	,
                                                      ::getCppuType(( const Reference< XStatusIndicator	>*)NULL )	,
                                                      BaseContainerControl::getTypes()
                                                    );
            // ... and set his address to static pointer!
            pTypeCollection = &aTypeCollection ;
        }
    }

    return pTypeCollection->getTypes();
}

//____________________________________________________________________________________________________________
//	XAggregation
//____________________________________________________________________________________________________________

Any SAL_CALL StatusIndicator::queryAggregation( const Type& aType ) throw( RuntimeException )
{
    // Ask for my own supported interfaces ...
    // Attention: XTypeProvider and XInterface are supported by OComponentHelper!
    Any aReturn	( ::cppu::queryInterface( aType					   					,
                                          static_cast< XLayoutConstrains*	> ( this )	,
                                          static_cast< XStatusIndicator*	> ( this )
                                        )
                );

    // If searched interface not supported by this class ...
    if ( aReturn.hasValue() == sal_False )
    {
        // ... ask baseclasses.
        aReturn = BaseControl::queryAggregation( aType );
    }

    return aReturn ;
}

//____________________________________________________________________________________________________________
//	XStatusIndicator
//____________________________________________________________________________________________________________

void SAL_CALL StatusIndicator::start( const OUString& sText, sal_Int32 nRange ) throw( RuntimeException )
{
    // Ready for multithreading
    MutexGuard aGuard( m_aMutex );

    // Initialize status controls with given values.
    m_xText->setText( sText );
    m_xProgressBar->setRange( 0, nRange );
    // force repaint ... fixedtext has changed !
    impl_recalcLayout ( WindowEvent(static_cast< OWeakObject* >(this),0,0,impl_getWidth(),impl_getHeight(),0,0,0,0) ) ;
}

//____________________________________________________________________________________________________________
//	XStatusIndicator
//____________________________________________________________________________________________________________

void SAL_CALL StatusIndicator::end() throw( RuntimeException )
{
    // Ready for multithreading
    MutexGuard aGuard( m_aMutex );

    // Clear values of status controls.
    m_xText->setText( OUString() );
    m_xProgressBar->setValue( 0 );
    setVisible( sal_False );
}

//____________________________________________________________________________________________________________
//	XStatusIndicator
//____________________________________________________________________________________________________________

void SAL_CALL StatusIndicator::setText( const OUString& sText ) throw( RuntimeException )
{
    // Ready for multithreading
    MutexGuard aGuard( m_aMutex );

    // Take text on right control
    m_xText->setText( sText );
}

//____________________________________________________________________________________________________________
//	XStatusIndicator
//____________________________________________________________________________________________________________

void SAL_CALL StatusIndicator::setValue( sal_Int32 nValue ) throw( RuntimeException )
{
    // Ready for multithreading
    MutexGuard aGuard( m_aMutex );

    // Take value on right control
    m_xProgressBar->setValue( nValue );
}

//____________________________________________________________________________________________________________
//	XStatusIndicator
//____________________________________________________________________________________________________________

void SAL_CALL StatusIndicator::reset() throw( RuntimeException )
{
    // Ready for multithreading
    MutexGuard aGuard( m_aMutex );

    // Clear values of status controls.
    // (Don't hide the window! User will reset current values ... but he will not finish using of indicator!)
    m_xText->setText( OUString() );
    m_xProgressBar->setValue( 0 );
}

//____________________________________________________________________________________________________________
//	XLayoutConstrains
//____________________________________________________________________________________________________________

Size SAL_CALL StatusIndicator::getMinimumSize () throw( RuntimeException )
{
    return Size (STATUSINDICATOR_DEFAULT_WIDTH, STATUSINDICATOR_DEFAULT_HEIGHT) ;
}

//____________________________________________________________________________________________________________
//	XLayoutConstrains
//____________________________________________________________________________________________________________

Size SAL_CALL StatusIndicator::getPreferredSize () throw( RuntimeException )
{
    // Ready for multithreading
    ClearableMutexGuard aGuard ( m_aMutex ) ;

    // get information about required place of child controls
    Reference< XLayoutConstrains >	xTextLayout	( m_xText, UNO_QUERY );
    Size							aTextSize	= xTextLayout->getPreferredSize();

    aGuard.clear () ;

    // calc preferred size of status indicator
    sal_Int32 nWidth  = impl_getWidth()                 ;
    sal_Int32 nHeight = (2*STATUSINDICATOR_FREEBORDER)+aTextSize.Height ;

    // norm to minimum
    if ( nWidth<STATUSINDICATOR_DEFAULT_WIDTH )
    {
        nWidth = STATUSINDICATOR_DEFAULT_WIDTH ;
    }
    if ( nHeight<STATUSINDICATOR_DEFAULT_HEIGHT )
    {
        nHeight = STATUSINDICATOR_DEFAULT_HEIGHT ;
    }

    // return to caller
    return Size ( nWidth, nHeight ) ;
}

//____________________________________________________________________________________________________________
//	XLayoutConstrains
//____________________________________________________________________________________________________________

Size SAL_CALL StatusIndicator::calcAdjustedSize ( const Size& /*rNewSize*/ ) throw( RuntimeException )
{
    return getPreferredSize () ;
}

//____________________________________________________________________________________________________________
//	XControl
//____________________________________________________________________________________________________________

void SAL_CALL StatusIndicator::createPeer (
    const Reference< XToolkit > & rToolkit,
    const Reference< XWindowPeer > & rParent
) throw( RuntimeException )
{
    if( getPeer().is() == sal_False )
    {
        BaseContainerControl::createPeer( rToolkit, rParent );

        // If user forget to call "setPosSize()", we have still a correct size.
        // And a "MinimumSize" IS A "MinimumSize"!
        // We change not the position of control at this point.
        Size aDefaultSize = getMinimumSize () ;
        setPosSize ( 0, 0, aDefaultSize.Width, aDefaultSize.Height, PosSize::SIZE ) ;
    }
}

//____________________________________________________________________________________________________________
//	XControl
//____________________________________________________________________________________________________________

sal_Bool SAL_CALL StatusIndicator::setModel ( const Reference< XControlModel > & /*rModel*/ ) throw( RuntimeException )
{
    // We have no model.
    return sal_False ;
}

//____________________________________________________________________________________________________________
//	XControl
//____________________________________________________________________________________________________________

Reference< XControlModel > SAL_CALL StatusIndicator::getModel () throw( RuntimeException )
{
    // We have no model.
    // return (XControlModel*)this ;
    return Reference< XControlModel >  () ;
}

//____________________________________________________________________________________________________________
//	XComponent
//____________________________________________________________________________________________________________

void SAL_CALL StatusIndicator::dispose () throw( RuntimeException )
{
    // Ready for multithreading
    MutexGuard aGuard ( m_aMutex ) ;

    // "removeControl()" control the state of a reference
    Reference< XControl >  xTextControl		( m_xText		, UNO_QUERY );
    Reference< XControl >  xProgressControl	( m_xProgressBar, UNO_QUERY );

    removeControl( xTextControl		);
    removeControl( xProgressControl	);

    // do'nt use "...->clear ()" or "... = XFixedText ()"
    // when other hold a reference at this object !!!
    xTextControl->dispose();
    xProgressControl->dispose();
    BaseContainerControl::dispose();
}

//____________________________________________________________________________________________________________
//	XWindow
//____________________________________________________________________________________________________________

void SAL_CALL StatusIndicator::setPosSize (
    sal_Int32 nX,
    sal_Int32 nY,
    sal_Int32 nWidth,
    sal_Int32 nHeight,
    sal_Int16 nFlags
) throw( RuntimeException )
{
    Rectangle	aBasePosSize = getPosSize () ;
    BaseContainerControl::setPosSize (nX, nY, nWidth, nHeight, nFlags) ;

    // if position or size changed
    if (
        ( nWidth  != aBasePosSize.Width	) ||
        ( nHeight != aBasePosSize.Height)
       )
    {
        // calc new layout for controls
        impl_recalcLayout ( WindowEvent(static_cast< OWeakObject* >(this),0,0,nWidth,nHeight,0,0,0,0) ) ;
        // clear background (!)
        // [Childs was repainted in "recalcLayout" by setPosSize() automaticly!]
        getPeer()->invalidate(2);
        // and repaint the control
        impl_paint ( 0, 0, impl_getGraphicsPeer() ) ;
    }
}

//____________________________________________________________________________________________________________
//	impl but public method to register service
//____________________________________________________________________________________________________________

const Sequence< OUString > StatusIndicator::impl_getStaticSupportedServiceNames()
{
    MutexGuard aGuard( Mutex::getGlobalMutex() );
    Sequence< OUString > seqServiceNames( 1 );
    seqServiceNames.getArray() [0] = OUString::createFromAscii( SERVICENAME_STATUSINDICATOR );
    return seqServiceNames ;
}

//____________________________________________________________________________________________________________
//	impl but public method to register service
//____________________________________________________________________________________________________________

const OUString StatusIndicator::impl_getStaticImplementationName()
{
    return OUString::createFromAscii( IMPLEMENTATIONNAME_STATUSINDICATOR );
}

//____________________________________________________________________________________________________________
//	protected method
//____________________________________________________________________________________________________________

WindowDescriptor* StatusIndicator::impl_getWindowDescriptor( const Reference< XWindowPeer >& xParentPeer )
{
    // - used from "createPeer()" to set the values of an ::com::sun::star::awt::WindowDescriptor !!!
    // - if you will change the descriptor-values, you must override this virtuell function
    // - the caller must release the memory for this dynamical descriptor !!!

    WindowDescriptor* pDescriptor = new WindowDescriptor ;

    pDescriptor->Type				=	WindowClass_SIMPLE								;
    pDescriptor->WindowServiceName	=	OUString(RTL_CONSTASCII_USTRINGPARAM("floatingwindow"))	;
    pDescriptor->ParentIndex		=	-1												;
    pDescriptor->Parent				=	xParentPeer										;
    pDescriptor->Bounds				=	getPosSize ()									;

    return pDescriptor ;
}

//____________________________________________________________________________________________________________
//	protected method
//____________________________________________________________________________________________________________

void StatusIndicator::impl_paint ( sal_Int32 nX, sal_Int32 nY, const Reference< XGraphics > & rGraphics )
{
    // This paint method ist not buffered !!
    // Every request paint the completely control. ( but only, if peer exist )
     if ( rGraphics.is () )
    {
        MutexGuard	aGuard (m_aMutex) ;

        // background = gray
        Reference< XWindowPeer > xPeer( impl_getPeerWindow(), UNO_QUERY );
        if( xPeer.is() == sal_True )
            xPeer->setBackground( STATUSINDICATOR_BACKGROUNDCOLOR );

        // FixedText background = gray
        Reference< XControl > xTextControl( m_xText, UNO_QUERY );
        xPeer = xTextControl->getPeer();
        if( xPeer.is() == sal_True )
            xPeer->setBackground( STATUSINDICATOR_BACKGROUNDCOLOR );

        // Progress background = gray
        xPeer = Reference< XWindowPeer >( m_xProgressBar, UNO_QUERY );
        if( xPeer.is() == sal_True )
            xPeer->setBackground( STATUSINDICATOR_BACKGROUNDCOLOR );

        // paint shadow border
        rGraphics->setLineColor ( STATUSINDICATOR_LINECOLOR_BRIGHT                          );
        rGraphics->drawLine     ( nX, nY, impl_getWidth(), nY               );
        rGraphics->drawLine     ( nX, nY, nX             , impl_getHeight() );

        rGraphics->setLineColor ( STATUSINDICATOR_LINECOLOR_SHADOW                                                              );
        rGraphics->drawLine     ( impl_getWidth()-1, impl_getHeight()-1, impl_getWidth()-1, nY                  );
        rGraphics->drawLine     ( impl_getWidth()-1, impl_getHeight()-1, nX               , impl_getHeight()-1  );
    }
}

//____________________________________________________________________________________________________________
//	protected method
//____________________________________________________________________________________________________________

void StatusIndicator::impl_recalcLayout ( const WindowEvent& aEvent )
{
    sal_Int32	nX_ProgressBar			;
    sal_Int32	nY_ProgressBar			;
    sal_Int32	nWidth_ProgressBar		;
    sal_Int32	nHeight_ProgressBar		;
    sal_Int32	nX_Text					;
    sal_Int32	nY_Text					;
    sal_Int32	nWidth_Text				;
    sal_Int32	nHeight_Text			;

    // Ready for multithreading
    MutexGuard aGuard ( m_aMutex ) ;

    // get information about required place of child controls
    Size							aWindowSize		( aEvent.Width, aEvent.Height );
    Reference< XLayoutConstrains >	xTextLayout		( m_xText, UNO_QUERY );
    Size							aTextSize		= xTextLayout->getPreferredSize();

    if( aWindowSize.Width < STATUSINDICATOR_DEFAULT_WIDTH )
    {
        aWindowSize.Width = STATUSINDICATOR_DEFAULT_WIDTH;
    }
    if( aWindowSize.Height < STATUSINDICATOR_DEFAULT_HEIGHT )
    {
        aWindowSize.Height = STATUSINDICATOR_DEFAULT_HEIGHT;
    }

    // calc position and size of child controls
    nX_Text             = STATUSINDICATOR_FREEBORDER                                    ;
    nY_Text             = STATUSINDICATOR_FREEBORDER                                    ;
    nWidth_Text         = aTextSize.Width                               ;
    nHeight_Text        = aTextSize.Height                              ;

    nX_ProgressBar      = nX_Text+nWidth_Text+STATUSINDICATOR_FREEBORDER                ;
    nY_ProgressBar      = nY_Text                                       ;
    nWidth_ProgressBar  = aWindowSize.Width-nWidth_Text-(3*STATUSINDICATOR_FREEBORDER)  ;
    nHeight_ProgressBar = nHeight_Text                                  ;

    // Set new position and size on all controls
    Reference< XWindow >  xTextWindow		( m_xText		, UNO_QUERY );
    Reference< XWindow >  xProgressWindow	( m_xProgressBar, UNO_QUERY );

    xTextWindow->setPosSize		( nX_Text		, nY_Text		, nWidth_Text		, nHeight_Text	  		, 15 ) ;
    xProgressWindow->setPosSize	( nX_ProgressBar, nY_ProgressBar, nWidth_ProgressBar, nHeight_ProgressBar	, 15 ) ;
}

}	// namespace unocontrols

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