xref: /trunk/main/svx/source/sdr/animation/animationstate.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_svx.hxx"
30 #include <svx/sdr/animation/animationstate.hxx>
31 #include <tools/debug.hxx>
32 #include <svx/sdr/contact/viewobjectcontact.hxx>
33 #include <svx/sdr/animation/objectanimator.hxx>
34 #include <svx/sdr/contact/objectcontact.hxx>
35 #include <svx/sdr/contact/viewcontact.hxx>
36 #include <drawinglayer/primitive2d/animatedprimitive2d.hxx>
37 #include <drawinglayer/animation/animationtiming.hxx>
38 
39 //////////////////////////////////////////////////////////////////////////////
40 
41 namespace sdr
42 {
43     namespace animation
44     {
45         double PrimitiveAnimation::getSmallestNextTime(double fCurrentTime)
46         {
47             double fRetval(0.0);
48 
49             if(maAnimatedPrimitives.hasElements())
50             {
51                 const sal_Int32 nCount(maAnimatedPrimitives.getLength());
52 
53                 for(sal_Int32 a(0L); a < nCount; a++)
54                 {
55                     const drawinglayer::primitive2d::Primitive2DReference xRef(maAnimatedPrimitives[a]);
56                     const drawinglayer::primitive2d::AnimatedSwitchPrimitive2D* pCandidate = dynamic_cast< const drawinglayer::primitive2d::AnimatedSwitchPrimitive2D* >(xRef.get());
57                     OSL_ENSURE(pCandidate, "PrimitiveAnimation::getSmallestNextTime: wrong primitive in animated list (!)");
58 
59                     if(pCandidate)
60                     {
61                         const drawinglayer::animation::AnimationEntry& rAnimEntry = pCandidate->getAnimationEntry();
62                         const double fNextTime(rAnimEntry.getNextEventTime(fCurrentTime));
63 
64                         if(!::basegfx::fTools::equalZero(fNextTime))
65                         {
66                             if(::basegfx::fTools::equalZero(fRetval))
67                             {
68                                 fRetval = fNextTime;
69                             }
70                             else if(::basegfx::fTools::less(fNextTime, fRetval))
71                             {
72                                 fRetval = fNextTime;
73                             }
74                         }
75                     }
76                 }
77             }
78 
79             return fRetval;
80         }
81 
82         void PrimitiveAnimation::prepareNextEvent()
83         {
84             const double fCurrentTime(mrVOContact.GetObjectContact().getPrimitiveAnimator().GetTime());
85             const double fNextTime(getSmallestNextTime(fCurrentTime));
86 
87             // getSmallestNextTime will be zero when animation ended. If not zero, a next step
88             // exists
89             if(!::basegfx::fTools::equalZero(fNextTime))
90             {
91                 // next time point exists, use it
92                 sal_uInt32 nNextTime;
93 
94                 if(fNextTime >= (double)0xffffff00)
95                 {
96                     // take care for very late points in time, e.g. when a text animation stops
97                     // in a defined AnimationEntryFixed with endless (0xffffffff) duration
98                     nNextTime = GetTime() + (1000 * 60 * 60); // one hour, works with vcl timers, 0xffffff00 was too much...
99                 }
100                 else
101                 {
102                     nNextTime = (sal_uInt32)fNextTime;
103                 }
104 
105                 // ensure step forward in integer timing, the floating step difference maybe smaller than 1.0. Use
106                 // at least 25ms for next step
107                 const sal_uInt32 nMinimumStepTime((sal_uInt32)fCurrentTime + 25L);
108 
109                 if(nNextTime <= nMinimumStepTime)
110                 {
111                     nNextTime = nMinimumStepTime;
112                 }
113 
114                 // set time and reactivate by re-adding to the scheduler
115                 SetTime(nNextTime);
116                 mrVOContact.GetObjectContact().getPrimitiveAnimator().InsertEvent(this);
117             }
118         }
119 
120         PrimitiveAnimation::PrimitiveAnimation(sdr::contact::ViewObjectContact& rVOContact, const drawinglayer::primitive2d::Primitive2DSequence& rAnimatedPrimitives)
121         :   Event(0L),
122             mrVOContact(rVOContact),
123             maAnimatedPrimitives(rAnimatedPrimitives)
124         {
125             // setup initially
126             prepareNextEvent();
127         }
128 
129         PrimitiveAnimation::~PrimitiveAnimation()
130         {
131             // ensure that Event member is removed from PrimitiveAnimator
132             mrVOContact.GetObjectContact().getPrimitiveAnimator().RemoveEvent(this);
133         }
134 
135         // execute event, from base class Event
136         void PrimitiveAnimation::Trigger(sal_uInt32 /*nTime*/)
137         {
138             // schedule a repaint of associated object
139             mrVOContact.ActionChanged();
140 
141             // re-setup
142             prepareNextEvent();
143         }
144     } // end of namespace animation
145 } // end of namespace sdr
146 
147 //////////////////////////////////////////////////////////////////////////////
148 // eof
149