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-rw-r--r--src/anim/Anim.cpp123
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diff --git a/src/anim/Anim.cpp b/src/anim/Anim.cpp
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+++ b/src/anim/Anim.cpp
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+//
+// libavg - Media Playback Engine.
+// Copyright (C) 2003-2014 Ulrich von Zadow
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// Current versions can be found at www.libavg.de
+
+#include "Anim.h"
+
+#include "../base/Exception.h"
+#include "../base/ObjectCounter.h"
+
+#include "../player/Player.h"
+
+using namespace boost::python;
+using namespace std;
+
+namespace avg {
+
+Anim::Anim(const object& startCallback, const object& stopCallback)
+ : m_StartCallback(startCallback),
+ m_StopCallback(stopCallback),
+ m_bRunning(false),
+ m_bIsRoot(true)
+{
+ ObjectCounter::get()->incRef(&typeid(*this));
+ Player::get()->registerPlaybackEndListener(this);
+}
+
+Anim::~Anim()
+{
+ ObjectCounter::get()->decRef(&typeid(*this));
+ if (Player::exists()) {
+ Player::get()->unregisterPlaybackEndListener(this);
+ }
+}
+
+void Anim::setStartCallback(const object& startCallback)
+{
+ m_StartCallback = startCallback;
+}
+
+void Anim::setStopCallback(const object& stopCallback)
+{
+ m_StopCallback = stopCallback;
+}
+
+void Anim::start(bool)
+{
+ if (m_bRunning) {
+ throw(Exception(AVG_ERR_UNSUPPORTED,
+ "Anim.start(): animation already running."));
+ }
+ if (!(Player::get()->isPlaying())) {
+ throw(Exception(AVG_ERR_UNSUPPORTED,
+ "Animation playback can only be started when the player is running."));
+ }
+ m_bRunning = true;
+ if (m_bIsRoot) {
+ Player::get()->registerPreRenderListener(this);
+ }
+ if (m_StartCallback != object()) {
+ call<void>(m_StartCallback.ptr());
+ }
+}
+
+bool Anim::isRunning() const
+{
+ return m_bRunning;
+}
+
+void Anim::setHasParent()
+{
+ assert(!m_bRunning);
+ m_bIsRoot = false;
+}
+
+void Anim::onPreRender()
+{
+ step();
+}
+
+void Anim::onPlaybackEnd()
+{
+ AnimPtr tempThis = shared_from_this();
+ m_StartCallback = object();
+ m_StopCallback = object();
+ if (m_bRunning) {
+ abort();
+ }
+}
+
+void Anim::setStopped()
+{
+ if (m_bIsRoot) {
+ Player::get()->unregisterPreRenderListener(this);
+ }
+ m_bRunning = false;
+ if (m_StopCallback != object()) {
+ try {
+ m_StopCallback();
+ } catch (error_already_set &) {
+ cerr << "Python exception in Anim stop callback." << endl;
+ PyErr_Print();
+ exit(5);
+ }
+ }
+}
+
+}