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 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_FORMS_SOURCE_COMPONENT_CLICKABLEIMAGE_HXX
#define INCLUDED_FORMS_SOURCE_COMPONENT_CLICKABLEIMAGE_HXX

#include "FormComponent.hxx"
#include "EventThread.hxx"
#include "imgprod.hxx"
#include <tools/link.hxx>
#include <comphelper/propmultiplex.hxx>
#include <com/sun/star/form/XImageProducerSupplier.hpp>
#include <com/sun/star/form/FormButtonType.hpp>
#include <com/sun/star/form/XApproveActionListener.hpp>
#include <com/sun/star/form/XApproveActionBroadcaster.hpp>
#include <com/sun/star/form/submission/XSubmissionSupplier.hpp>
#include <com/sun/star/form/submission/XSubmission.hpp>
#include <com/sun/star/frame/XModel.hpp>
#include <com/sun/star/frame/XDispatchProviderInterception.hpp>
#include <cppuhelper/implbase3.hxx>


class SfxMedium;

//.........................................................................
namespace frm
{
//.........................................................................

    class OImageProducerThread_Impl;
    class ControlFeatureInterception;
    //==================================================================
    // OClickableImageBaseModel
    //==================================================================
    typedef ::cppu::ImplHelper3 <   ::com::sun::star::form::XImageProducerSupplier
                                ,   ::com::sun::star::awt::XImageProducer
                                ,   ::com::sun::star::form::submission::XSubmissionSupplier
                                >   OClickableImageBaseModel_Base;

    class OClickableImageBaseModel  :public OClickableImageBaseModel_Base
                                    ,public OControlModel
                                    ,public OPropertyChangeListener
    {
    protected:
        ::com::sun::star::form::FormButtonType  m_eButtonType;      // Art des Buttons (push,submit,reset)
        OUString                         m_sTargetURL;       // URL fuer den URL-Button
        OUString                         m_sTargetFrame;     // TargetFrame zum Oeffnen

        // ImageProducer stuff
        ::com::sun::star::uno::Reference< ::com::sun::star::awt::XImageProducer>    m_xProducer;
        SfxMedium*                              m_pMedium;          // Download-Medium
        ImageProducer*                          m_pProducer;
        sal_Bool                                m_bDispatchUrlInternal; // property: is not allowed to set : 1
        sal_Bool                                m_bDownloading : 1; // laeuft ein Download?
        sal_Bool                                m_bProdStarted : 1;

        // XSubmission stuff
        ::com::sun::star::uno::Reference< ::com::sun::star::form::submission::XSubmission >
                                                m_xSubmissionDelegate;

        DECL_STATIC_LINK( OClickableImageBaseModel, DownloadDoneLink, void* );

        inline ImageProducer* GetImageProducer() { return m_pProducer; }

        void StartProduction();
        void SetURL(const OUString& rURL);
        void DataAvailable();
        void DownloadDone();

        ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Type> _getTypes();
        inline bool isDispatchUrlInternal() const { return m_bDispatchUrlInternal; }
        inline void     setDispatchUrlInternal(sal_Bool _bDispatch) { m_bDispatchUrlInternal = _bDispatch; }

    public:
        DECLARE_DEFAULT_XTOR( OClickableImageBaseModel );

        // UNO Anbindung
        DECLARE_UNO3_AGG_DEFAULTS(OClickableImageBaseModel, OControlModel);
        virtual ::com::sun::star::uno::Any SAL_CALL queryAggregation(const ::com::sun::star::uno::Type& _rType) throw(::com::sun::star::uno::RuntimeException);

    protected:
        // OComponentHelper
        virtual void SAL_CALL disposing();

        // ::com::sun::star::form::XImageProducerSupplier
        virtual ::com::sun::star::uno::Reference< ::com::sun::star::awt::XImageProducer> SAL_CALL getImageProducer() throw (::com::sun::star::uno::RuntimeException) { return m_xProducer; }

        // OPropertySetHelper
        virtual void SAL_CALL getFastPropertyValue(::com::sun::star::uno::Any& rValue, sal_Int32 nHandle ) const;
        virtual void SAL_CALL setFastPropertyValue_NoBroadcast(sal_Int32 nHandle, const ::com::sun::star::uno::Any& rValue) throw (::com::sun::star::uno::Exception);

        virtual sal_Bool SAL_CALL convertFastPropertyValue(::com::sun::star::uno::Any& rConvertedValue, ::com::sun::star::uno::Any& rOldValue, sal_Int32 nHandle, const ::com::sun::star::uno::Any& rValue )
            throw(::com::sun::star::lang::IllegalArgumentException);

        using ::cppu::OPropertySetHelper::getFastPropertyValue;

        // OPropertyChangeListener
        virtual void _propertyChanged(const ::com::sun::star::beans::PropertyChangeEvent&) throw(::com::sun::star::uno::RuntimeException);

        // XPropertyState
        virtual ::com::sun::star::uno::Any getPropertyDefaultByHandle( sal_Int32 nHandle ) const;

        // XImageProducer
        virtual void SAL_CALL addConsumer( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XImageConsumer >& xConsumer ) throw (::com::sun::star::uno::RuntimeException);
        virtual void SAL_CALL removeConsumer( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XImageConsumer >& xConsumer ) throw (::com::sun::star::uno::RuntimeException);
        virtual void SAL_CALL startProduction(  ) throw (::com::sun::star::uno::RuntimeException);

        // XSubmissionSupplier
        virtual ::com::sun::star::uno::Reference< ::com::sun::star::form::submission::XSubmission > SAL_CALL getSubmission() throw (::com::sun::star::uno::RuntimeException);
        virtual void SAL_CALL setSubmission( const ::com::sun::star::uno::Reference< ::com::sun::star::form::submission::XSubmission >& _submission ) throw (::com::sun::star::uno::RuntimeException);

        // XServiceInfo
        virtual ::com::sun::star::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) throw (::com::sun::star::uno::RuntimeException);

        // XEventListener
        using OControlModel::disposing;

    public:
        struct GuardAccess { friend class ImageModelMethodGuard; private: GuardAccess() { } };
        ::osl::Mutex&   getMutex( GuardAccess ) { return m_aMutex; }
        ImageProducer*  getImageProducer( GuardAccess ) { return m_pProducer; }

    protected:
        using OControlModel::getMutex;

        void implConstruct();

        // to be called from within the cloning-ctor of your derived class
        void implInitializeImageURL( );
    };

    //==================================================================
    // ImageModelMethodGuard
    //==================================================================
    class ImageModelMethodGuard : public ::osl::MutexGuard
    {
    private:
        typedef ::osl::MutexGuard   GuardBase;

    public:
        ImageModelMethodGuard( OClickableImageBaseModel& _rModel )
            :GuardBase( _rModel.getMutex( OClickableImageBaseModel::GuardAccess() ) )
        {
            if ( NULL == _rModel.getImageProducer( OClickableImageBaseModel::GuardAccess() ) )
                throw ::com::sun::star::lang::DisposedException(
                    OUString(),
                    static_cast< ::com::sun::star::form::XImageProducerSupplier* >( &_rModel )
                );
        }
    };

    //==================================================================
    // OClickableImageBaseControl
    //==================================================================
    typedef ::cppu::ImplHelper3 <   ::com::sun::star::form::XApproveActionBroadcaster
                                ,   ::com::sun::star::form::submission::XSubmission
                                ,   ::com::sun::star::frame::XDispatchProviderInterception
                                >   OClickableImageBaseControl_BASE;

    class OClickableImageBaseControl    :public OClickableImageBaseControl_BASE
                                        ,public OControl
    {
        friend class OImageProducerThread_Impl;

    private:
        OImageProducerThread_Impl*          m_pThread;
        ::cppu::OInterfaceContainerHelper   m_aSubmissionVetoListeners;
        ::std::auto_ptr< ControlFeatureInterception >
                                            m_pFeatureInterception;

    protected:
        ::cppu::OInterfaceContainerHelper m_aApproveActionListeners;
        ::cppu::OInterfaceContainerHelper m_aActionListeners;
        OUString m_aActionCommand;

        // XSubmission
        virtual void SAL_CALL submit(  ) throw (::com::sun::star::util::VetoException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
        virtual void SAL_CALL submitWithInteraction( const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionHandler >& aHandler ) throw (::com::sun::star::util::VetoException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
        virtual void SAL_CALL addSubmissionVetoListener( const ::com::sun::star::uno::Reference< ::com::sun::star::form::submission::XSubmissionVetoListener >& listener ) throw (::com::sun::star::lang::NoSupportException, ::com::sun::star::uno::RuntimeException);
        virtual void SAL_CALL removeSubmissionVetoListener( const ::com::sun::star::uno::Reference< ::com::sun::star::form::submission::XSubmissionVetoListener >& listener ) throw (::com::sun::star::lang::NoSupportException, ::com::sun::star::uno::RuntimeException);

        // XServiceInfo
        virtual ::com::sun::star::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) throw (::com::sun::star::uno::RuntimeException);

        // XEventListener
        using OControl::disposing;

    public:
        OClickableImageBaseControl(
            const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext>& _rxFactory,
            const OUString& _aService);
        virtual ~OClickableImageBaseControl();

    protected:
        // UNO Anbindung
        DECLARE_UNO3_AGG_DEFAULTS(OClickableImageBaseControl, OControl);
        virtual ::com::sun::star::uno::Any SAL_CALL queryAggregation(const ::com::sun::star::uno::Type& _rType) throw(::com::sun::star::uno::RuntimeException);

        // OComponentHelper
        virtual void SAL_CALL disposing();

        // ::com::sun::star::form::XApproveActionBroadcaster
        virtual void SAL_CALL addApproveActionListener(const ::com::sun::star::uno::Reference< ::com::sun::star::form::XApproveActionListener>& _rxListener)
            throw(::com::sun::star::uno::RuntimeException);
        virtual void SAL_CALL removeApproveActionListener(const ::com::sun::star::uno::Reference< ::com::sun::star::form::XApproveActionListener>& _rxListener)
            throw(::com::sun::star::uno::RuntimeException);

        // XDispatchProviderInterception
        virtual void SAL_CALL registerDispatchProviderInterceptor( const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XDispatchProviderInterceptor >& Interceptor ) throw (::com::sun::star::uno::RuntimeException);
        virtual void SAL_CALL releaseDispatchProviderInterceptor( const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XDispatchProviderInterceptor >& Interceptor ) throw (::com::sun::star::uno::RuntimeException);

    protected:
        virtual void actionPerformed_Impl( sal_Bool bNotifyListener, const ::com::sun::star::awt::MouseEvent& rEvt );

        ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Type > _getTypes();

        /** approves the action by calling the approve listeners
            @return <TRUE/> if and only if the action has <em>not</em> been cancelled by a listener
        */
        bool    approveAction( );

        /** retrieves (and if necessary creates) the image producer thread.

            Must be called with our mutex locked
        */
        OImageProducerThread_Impl* getImageProducerThread();

    private:
        void implSubmit(
            const ::com::sun::star::awt::MouseEvent& _rEvent,
            const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionHandler >& aHandler
        ) SAL_THROW((com::sun::star::util::VetoException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException));
    };

    //==================================================================
    // OImageProducerThread_Impl
    //==================================================================
    class OImageProducerThread_Impl: public OComponentEventThread
    {
    protected:

        // Die folgende Methode wrrd gerufen um das Event unter Beruecksichtigung
        // seines Typs zu duplizieren
        virtual ::com::sun::star::lang::EventObject* cloneEvent( const ::com::sun::star::lang::EventObject* _pEvt ) const;

        // Ein Event bearbeiten. Der Mutex ist dabei nicht gelockt, pCompImpl
        // bleibt aber in jedem Fall gueltig.
        virtual void processEvent( ::cppu::OComponentHelper *pCompImpl,
                                const ::com::sun::star::lang::EventObject*,
                                const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControl>&,
                                sal_Bool );

    public:
        OImageProducerThread_Impl( OClickableImageBaseControl *pControl ) :
            OComponentEventThread( pControl )
        {}

        void addEvent() { ::com::sun::star::lang::EventObject aEvt; OComponentEventThread::addEvent( &aEvt ); }

    protected:
        using OComponentEventThread::addEvent;
    };

//.........................................................................
}   // namespace frm
//.........................................................................

#endif // INCLUDED_FORMS_SOURCE_COMPONENT_CLICKABLEIMAGE_HXX

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