1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef _SDR_ANIMATION_SCHEDULER_HXX 25 #define _SDR_ANIMATION_SCHEDULER_HXX 26 27 #include <sal/types.h> 28 #include <vcl/timer.hxx> 29 #include <svx/svxdllapi.h> 30 31 ////////////////////////////////////////////////////////////////////////////// 32 // event class 33 34 namespace sdr 35 { 36 namespace animation 37 { 38 class Event 39 { 40 // time of event in ms 41 sal_uInt32 mnTime; 42 43 // pointer for simply linked list 44 Event* mpNext; 45 46 public: 47 // constructor/destructor 48 Event(sal_uInt32 nTime); 49 SVX_DLLPUBLIC virtual ~Event(); 50 51 // access to mpNext 52 Event* GetNext() const; 53 void SetNext(Event* pNew); 54 55 // get/set time 56 sal_uInt32 GetTime() const; 57 void SetTime(sal_uInt32 nNew); 58 59 // execute event 60 virtual void Trigger(sal_uInt32 nTime) = 0; 61 }; 62 } // end of namespace animation 63 } // end of namespace sdr 64 65 ////////////////////////////////////////////////////////////////////////////// 66 // eventlist class 67 68 namespace sdr 69 { 70 namespace animation 71 { 72 class EventList 73 { 74 // pointer to first entry 75 Event* mpHead; 76 77 public: 78 // constructor/destructor 79 EventList(); 80 SVX_DLLPUBLIC virtual ~EventList(); 81 82 // insert/remove time dependent 83 void Insert(Event* pNew); 84 void Remove(Event* pOld); 85 86 // clear list 87 void Clear(); 88 89 // get first 90 Event* GetFirst(); 91 }; 92 } // end of namespace animation 93 } // end of namespace sdr 94 95 ////////////////////////////////////////////////////////////////////////////// 96 // scheduler class 97 98 namespace sdr 99 { 100 namespace animation 101 { 102 class Scheduler : public Timer 103 { 104 // time in ms 105 sal_uInt32 mnTime; 106 107 // next delta time 108 sal_uInt32 mnDeltaTime; 109 110 // list of events 111 EventList maList; 112 113 // Flag which remembers if this timer is paused. Default 114 // is false. 115 bool mbIsPaused; 116 117 public: 118 // constructor/destructor 119 Scheduler(); 120 SVX_DLLPUBLIC virtual ~Scheduler(); 121 122 // From baseclass Timer, the timeout call 123 SVX_DLLPUBLIC virtual void Timeout(); 124 125 // get time 126 sal_uInt32 GetTime(); 127 128 // #i38135# 129 void SetTime(sal_uInt32 nTime); 130 131 // reset 132 void Reset(sal_uInt32 nTime); 133 134 // execute all ripe events, removes executed ones from the scheduler 135 void triggerEvents(); 136 137 // re-start or stop timer according to event list 138 void checkTimeout(); 139 140 // insert/remove events, wrapper to EventList methods 141 void InsertEvent(Event* pNew); 142 void RemoveEvent(Event* pOld); 143 144 // get/set pause IsPaused() const145 bool IsPaused() const { return mbIsPaused; } 146 void SetPaused(bool bNew); 147 }; 148 } // end of namespace animation 149 } // end of namespace sdr 150 151 ////////////////////////////////////////////////////////////////////////////// 152 153 #endif //_SDR_ANIMATION_SCHEDULER_HXX 154 155 // eof 156