| /************************************************************** |
| * |
| * 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_DISCRETEACTIVITYBASE_HXX |
| #define INCLUDED_SLIDESHOW_DISCRETEACTIVITYBASE_HXX |
| |
| #include "activitybase.hxx" |
| #include "wakeupevent.hxx" |
| |
| #include <vector> |
| |
| |
| namespace slideshow |
| { |
| namespace internal |
| { |
| /** Specialization of ActivityBase for discrete time activities. |
| |
| A discrete time activity is one where time proceeds in |
| discrete steps, i.e. at given time instants. |
| */ |
| class DiscreteActivityBase : public ActivityBase |
| { |
| public: |
| DiscreteActivityBase( const ActivityParameters& rParms ); |
| |
| /** Hook for derived classes. |
| |
| This method is called for each discrete time |
| instant, with nFrame denoting the frame number |
| (starting with 0) |
| |
| @param nFrame |
| Current frame number. |
| |
| @param nRepeatCount |
| Number of full repeats already performed |
| */ |
| virtual void perform( sal_uInt32 nFrame, sal_uInt32 nRepeatCount ) const = 0; |
| virtual void dispose(); |
| virtual bool perform(); |
| |
| protected: |
| virtual void startAnimation(); |
| |
| sal_uInt32 calcFrameIndex( sal_uInt32 nCurrCalls, |
| ::std::size_t nVectorSize ) const; |
| |
| sal_uInt32 calcRepeatCount( sal_uInt32 nCurrCalls, |
| ::std::size_t nVectorSize ) const; |
| |
| ::std::size_t getNumberOfKeyTimes() const { return maDiscreteTimes.size(); } |
| |
| private: |
| WakeupEventSharedPtr mpWakeupEvent; |
| const ::std::vector< double > maDiscreteTimes; |
| const double mnSimpleDuration; |
| sal_uInt32 mnCurrPerformCalls; |
| }; |
| } |
| } |
| |
| #endif /* INCLUDED_SLIDESHOW_DISCRETEACTIVITYBASE_HXX */ |