office-gobmx/slideshow/source/inc/delayevent.hxx

157 lines
4.4 KiB
C++

/*************************************************************************
*
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*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
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*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
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* version 3 along with OpenOffice.org. If not, see
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#ifndef INCLUDED_SLIDESHOW_DELAYEVENT_HXX
#define INCLUDED_SLIDESHOW_DELAYEVENT_HXX
#include <boost/function.hpp>
#include "event.hxx"
#include "debug.hxx"
#include <boost/noncopyable.hpp>
namespace slideshow {
namespace internal {
/** Event, which delays the functor call the given amount of time
*/
class Delay : public Event, private ::boost::noncopyable
{
public:
typedef ::boost::function0<void> FunctorT;
template <typename FuncT>
Delay( FuncT const& func,
double nTimeout
#if OSL_DEBUG_LEVEL > 1
, const ::rtl::OUString& rsDescription
) : Event(rsDescription),
#else
) :
#endif
mnTimeout(nTimeout), maFunc(func), mbWasFired(false) {}
Delay( const boost::function0<void>& func,
double nTimeout
#if OSL_DEBUG_LEVEL > 1
, const ::rtl::OUString& rsDescription
) : Event(rsDescription),
#else
) :
#endif
mnTimeout(nTimeout),
maFunc(func),
mbWasFired(false) {}
// Event:
virtual bool fire();
virtual bool isCharged() const;
virtual double getActivationTime( double nCurrentTime ) const;
// Disposable:
virtual void dispose();
private:
double const mnTimeout;
FunctorT maFunc;
bool mbWasFired;
};
#if OSL_DEBUG_LEVEL <= 1
/** Generate delay event
@param func
Functor to call when the event fires.
@param nTimeout
Timeout in seconds, to wait until functor is called.
@return generated delay event
*/
template <typename FuncT>
inline EventSharedPtr makeDelay_( FuncT const& func, double nTimeout )
{
return EventSharedPtr( new Delay( func, nTimeout ) );
}
/** Generate immediate event
@param func
Functor to call when the event fires.
@return generated immediate event.
*/
template <typename FuncT>
inline EventSharedPtr makeEvent_( FuncT const& func )
{
return EventSharedPtr( new Delay( func, 0.0 ) );
}
// Strip away description.
#define makeDelay(f, t, d) makeDelay_(f, t)
#define makeEvent(f, d) makeEvent_(f)
#else // OSL_DEBUG_LEVEL > 1
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 ::rtl::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 ::rtl::OUString& rsDescription)
{
return EventSharedPtr( new Delay_( func, nTimeout,
from_function, from_file, from_line, rsDescription) );
}
#define makeDelay(f, t, d) makeDelay_(f, t, \
BOOST_CURRENT_FUNCTION, __FILE__, __LINE__, \
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(d)))
#define makeEvent(f, d) makeDelay_(f, 0.0, \
BOOST_CURRENT_FUNCTION, __FILE__, __LINE__, \
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(d)))
#endif // OSL_DEBUG_LEVEL <= 1
} // namespace internal
} // namespace presentation
#endif /* INCLUDED_SLIDESHOW_DELAYEVENT_HXX */