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 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_sdext.hxx" 26 27 #include "PresenterAnimator.hxx" 28 29 #include "PresenterTimer.hxx" 30 #include <osl/diagnose.h> 31 #include <osl/time.h> 32 #include <vos/timer.hxx> 33 #include <boost/bind.hpp> 34 #include <boost/function.hpp> 35 36 namespace sdext { namespace presenter { 37 38 39 40 //===== PresenterAnimator ===================================================== 41 42 PresenterAnimator::PresenterAnimator (void) 43 : maFutureAnimations(), 44 maActiveAnimations(), 45 mnCurrentTaskId(0), 46 mnNextTime(0) 47 { 48 } 49 50 51 52 53 PresenterAnimator::~PresenterAnimator (void) 54 { 55 PresenterTimer::CancelTask(mnCurrentTaskId); 56 } 57 58 59 60 61 62 void PresenterAnimator::AddAnimation (const SharedPresenterAnimation& rpAnimation) 63 { 64 ::osl::MutexGuard aGuard (m_aMutex); 65 66 maFutureAnimations.insert(AnimationList::value_type(rpAnimation->GetStartTime(), rpAnimation)); 67 ScheduleNextRun(); 68 } 69 70 71 72 73 void PresenterAnimator::Process (void) 74 { 75 ::osl::MutexGuard aGuard (m_aMutex); 76 77 mnNextTime = 0; 78 79 const sal_uInt64 nCurrentTime (GetCurrentTime()); 80 81 ActivateAnimations(nCurrentTime); 82 83 while ( ! maActiveAnimations.empty()) 84 { 85 sal_uInt64 nRequestedTime (maActiveAnimations.begin()->first); 86 SharedPresenterAnimation pAnimation (maActiveAnimations.begin()->second); 87 88 if (nRequestedTime > nCurrentTime) 89 break; 90 91 maActiveAnimations.erase(maActiveAnimations.begin()); 92 93 const double nTotalDuration (double(pAnimation->GetEndTime() - pAnimation->GetStartTime())); 94 double nProgress (nTotalDuration > 0 ? (nCurrentTime - pAnimation->GetStartTime()) / nTotalDuration : 1); 95 if (nProgress <= 0) 96 nProgress = 0; 97 else if (nProgress >= 1) 98 nProgress = 1; 99 100 OSL_TRACE("running animation step at %f (requested was %f) %f\n", 101 nCurrentTime/1e6, nRequestedTime/1e6, nProgress); 102 pAnimation->Run(nProgress, nCurrentTime); 103 104 if (nCurrentTime < pAnimation->GetEndTime()) 105 maActiveAnimations.insert( 106 AnimationList::value_type( 107 nCurrentTime + pAnimation->GetStepDuration(), 108 pAnimation)); 109 else 110 pAnimation->RunEndCallbacks(); 111 } 112 113 ScheduleNextRun(); 114 } 115 116 117 118 119 void PresenterAnimator::ActivateAnimations (const sal_uInt64 nCurrentTime) 120 { 121 while ( ! maFutureAnimations.empty() 122 && maFutureAnimations.begin()->first <= nCurrentTime) 123 { 124 SharedPresenterAnimation pAnimation (maFutureAnimations.begin()->second); 125 maActiveAnimations.insert(*maFutureAnimations.begin()); 126 maFutureAnimations.erase(maFutureAnimations.begin()); 127 pAnimation->RunStartCallbacks(); 128 } 129 } 130 131 132 133 134 void PresenterAnimator::ScheduleNextRun (void) 135 { 136 sal_uInt64 nStartTime (0); 137 138 if ( ! maActiveAnimations.empty()) 139 { 140 nStartTime = maActiveAnimations.begin()->first; 141 if ( ! maFutureAnimations.empty()) 142 if (maFutureAnimations.begin()->first < nStartTime) 143 nStartTime = maFutureAnimations.begin()->first; 144 } 145 else if ( ! maFutureAnimations.empty()) 146 nStartTime = maFutureAnimations.begin()->first; 147 148 if (nStartTime > 0) 149 ScheduleNextRun(nStartTime); 150 } 151 152 153 154 155 void PresenterAnimator::ScheduleNextRun (const sal_uInt64 nStartTime) 156 { 157 if (mnNextTime==0 || nStartTime<mnNextTime) 158 { 159 mnNextTime = nStartTime; 160 ::vos::TTimeValue aTimeValue (GetSeconds(mnNextTime), GetNanoSeconds(mnNextTime)); 161 PresenterTimer::ScheduleSingleTaskAbsolute ( 162 ::boost::bind(&PresenterAnimator::Process, this), 163 aTimeValue); 164 } 165 } 166 167 } } // end of namespace ::sdext::presenter 168