| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| #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 */ |