delayevent.hxx

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#ifndef INCLUDED_SLIDESHOW_SOURCE_INC_DELAYEVENT_HXX
#define INCLUDED_SLIDESHOW_SOURCE_INC_DELAYEVENT_HXX
 
#include "event.hxx"
 
#include <functional>
#include <utility>
 
namespace slideshow::internal {
 
class Delay : public Event
{
public:
    typedef ::std::function<void ()> FunctorT;
 
    template <typename FuncT>
        Delay( FuncT const& func,
               double nTimeout
            ,  const OUString& rsDescription
            ) : Event(rsDescription),
            mnTimeout(nTimeout), maFunc(func), mbWasFired(false) {}
 
    Delay( std::function<void ()> func,
           double nTimeout
        , const OUString& rsDescription
        ) : Event(rsDescription),
        mnTimeout(nTimeout),
        maFunc(std::move(func)),
        mbWasFired(false) {}
    Delay(const Delay&) = delete;
    Delay& operator=(const Delay&) = delete;
 
    // Event:
    virtual bool fire() override;
    virtual bool isCharged() const override;
    virtual double getActivationTime( double nCurrentTime ) const override;
    // Disposable:
    virtual void dispose() override;
 
private:
    double const mnTimeout;
    FunctorT maFunc;
    bool mbWasFired;
};
 
#if OSL_DEBUG_LEVEL <= 1
 
template <typename FuncT>
inline EventSharedPtr makeDelay_( FuncT const& func, double nTimeout, OUString const& rsDescription )
{
    return std::make_shared<Delay>( func, nTimeout, rsDescription );
}
 
template <typename FuncT>
inline EventSharedPtr makeEvent_( FuncT const& func, OUString const& rsDescription)
{
    return std::make_shared<Delay>( func, 0.0, rsDescription );
}
 
 
#define makeDelay(f, t, d) makeDelay_(f, t, d)
#define makeEvent(f, d) makeEvent_(f, d)
 
#else // OSL_DEBUG_LEVEL > 0
 
class Delay_ : public Delay {
public:
    template <typename FuncT>
    Delay_( FuncT const& func, double nTimeout,
        char const* from_function, char const* from_file, int from_line,
        const OUString& rsDescription)
        : Delay(func, nTimeout, rsDescription),
          FROM_FUNCTION(from_function),
          FROM_FILE(from_file), FROM_LINE(from_line) {}
 
    char const* const FROM_FUNCTION;
    char const* const FROM_FILE;
    int const FROM_LINE;
};
 
template <typename FuncT>
inline EventSharedPtr makeDelay_(
    FuncT const& func, double nTimeout,
    char const* from_function, char const* from_file, int from_line,
    const OUString& rsDescription)
{
    return EventSharedPtr( new Delay_( func, nTimeout,
            from_function, from_file, from_line, rsDescription) );
}
 
#define makeDelay(f, t, d) makeDelay_(f, t,                   \
        __func__, __FILE__, __LINE__,           \
        d)
#define makeEvent(f, d) makeDelay_(f, 0.0,                  \
        __func__, __FILE__, __LINE__,         \
        d)
 
#endif // OSL_DEBUG_LEVEL <= 1
 
} // namespace presentation::internal
 
#endif // INCLUDED_SLIDESHOW_SOURCE_INC_DELAYEVENT_HXX
 
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