1 files changed, 130 insertions, 0 deletions
diff --git a/svx/source/sdr/animation/animationstate.cxx b/svx/source/sdr/animation/animationstate.cxx
new file mode 100644
index 000000000..074f2082e
--- /dev/null
+++ b/svx/source/sdr/animation/animationstate.cxx
@@ -0,0 +1,130 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   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 .
+ */
+
+#include <svx/sdr/animation/animationstate.hxx>
+#include <svx/sdr/contact/viewobjectcontact.hxx>
+#include <svx/sdr/animation/objectanimator.hxx>
+#include <svx/sdr/contact/objectcontact.hxx>
+#include <drawinglayer/primitive2d/animatedprimitive2d.hxx>
+#include <drawinglayer/animation/animationtiming.hxx>
+#include <comphelper/lok.hxx>
+
+
+namespace sdr::animation
+{
+        double PrimitiveAnimation::getSmallestNextTime(double fCurrentTime)
+        {
+            double fRetval(0.0);
+
+            if(!maAnimatedPrimitives.empty())
+            {
+                const sal_Int32 nCount(maAnimatedPrimitives.size());
+
+                for(sal_Int32 a(0); a < nCount; a++)
+                {
+                    const drawinglayer::primitive2d::Primitive2DReference xRef(maAnimatedPrimitives[a]);
+                    const drawinglayer::primitive2d::AnimatedSwitchPrimitive2D* pCandidate = static_cast< const drawinglayer::primitive2d::AnimatedSwitchPrimitive2D* >(xRef.get());
+
+                    const drawinglayer::animation::AnimationEntry& rAnimEntry = pCandidate->getAnimationEntry();
+                    const double fNextTime(rAnimEntry.getNextEventTime(fCurrentTime));
+
+                    if(!::basegfx::fTools::equalZero(fNextTime))
+                    {
+                        if(::basegfx::fTools::equalZero(fRetval))
+                        {
+                            fRetval = fNextTime;
+                        }
+                        else if(::basegfx::fTools::less(fNextTime, fRetval))
+                        {
+                            fRetval = fNextTime;
+                        }
+                    }
+                }
+            }
+
+            return fRetval;
+        }
+
+        void PrimitiveAnimation::prepareNextEvent()
+        {
+            const double fCurrentTime(mrVOContact.GetObjectContact().getPrimitiveAnimator().GetTime());
+            const double fNextTime(getSmallestNextTime(fCurrentTime));
+
+            // getSmallestNextTime will be zero when animation ended. If not zero, a next step
+            // exists
+            if(::basegfx::fTools::equalZero(fNextTime))
+                return;
+
+            // next time point exists, use it
+            sal_uInt32 nNextTime;
+
+            if(fNextTime >= double(0xffffff00))
+            {
+                // take care for very late points in time, e.g. when a text animation stops
+                // in a defined AnimationEntryFixed with endless (0xffffffff) duration
+                nNextTime = GetTime() + (1000 * 60 * 60); // one hour, works with vcl timers, 0xffffff00 was too much...
+            }
+            else
+            {
+                nNextTime = static_cast<sal_uInt32>(fNextTime);
+            }
+
+            // ensure step forward in integer timing, the floating step difference maybe smaller than 1.0. Use
+            // at least 25ms for next step
+            const sal_uInt32 nMinimumStepTime(static_cast<sal_uInt32>(fCurrentTime) + 25);
+
+            if(nNextTime <= nMinimumStepTime)
+            {
+                nNextTime = nMinimumStepTime;
+            }
+
+            // set time and reactivate by re-adding to the scheduler
+            SetTime(nNextTime);
+            mrVOContact.GetObjectContact().getPrimitiveAnimator().InsertEvent(*this);
+        }
+
+        PrimitiveAnimation::PrimitiveAnimation(sdr::contact::ViewObjectContact& rVOContact, drawinglayer::primitive2d::Primitive2DContainer&& rAnimatedPrimitives)
+        :   mrVOContact(rVOContact),
+            maAnimatedPrimitives(std::move(rAnimatedPrimitives))
+        {
+            if (!comphelper::LibreOfficeKit::isActive())
+                // setup initially
+                prepareNextEvent();
+        }
+
+        PrimitiveAnimation::~PrimitiveAnimation()
+        {
+            // ensure that Event member is removed from PrimitiveAnimator
+            mrVOContact.GetObjectContact().getPrimitiveAnimator().RemoveEvent(this);
+        }
+
+        // execute event, from base class Event
+        void PrimitiveAnimation::Trigger(sal_uInt32 /*nTime*/)
+        {
+            // schedule a repaint of associated object
+            mrVOContact.ActionChanged();
+
+            if (!comphelper::LibreOfficeKit::isActive())
+                // re-setup
+                prepareNextEvent();
+        }
+
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */