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_slideshow.hxx" 26 27 // must be first 28 #include <canvas/debug.hxx> 29 #include <canvas/verbosetrace.hxx> 30 31 #include "eventqueue.hxx" 32 #include "animationaudionode.hxx" 33 #include "delayevent.hxx" 34 #include "tools.hxx" 35 #include "nodetools.hxx" 36 #include "boost/bind.hpp" 37 38 using namespace com::sun::star; 39 40 namespace slideshow { 41 namespace internal { 42 43 AnimationAudioNode::AnimationAudioNode( 44 const uno::Reference< animations::XAnimationNode >& xNode, 45 const BaseContainerNodeSharedPtr& rParent, 46 const NodeContext& rContext ) 47 : BaseNode( xNode, rParent, rContext ), 48 mxAudioNode( xNode, uno::UNO_QUERY_THROW ), 49 maSoundURL(), 50 mpPlayer() 51 { 52 mxAudioNode->getSource() >>= maSoundURL; 53 54 OSL_ENSURE( maSoundURL.getLength(), 55 "could not extract sound source URL/empty URL string" ); 56 57 ENSURE_OR_THROW( getContext().mxComponentContext.is(), 58 "Invalid component context" ); 59 } 60 61 void AnimationAudioNode::dispose() 62 { 63 resetPlayer(); 64 mxAudioNode.clear(); 65 BaseNode::dispose(); 66 } 67 68 void AnimationAudioNode::activate_st() 69 { 70 createPlayer(); 71 72 AnimationEventHandlerSharedPtr aHandler( 73 boost::dynamic_pointer_cast<AnimationEventHandler>( getSelf() ) ); 74 OSL_ENSURE( aHandler, 75 "could not cast self to AnimationEventHandler?" ); 76 getContext().mrEventMultiplexer.addCommandStopAudioHandler( aHandler ); 77 78 if (mpPlayer && mpPlayer->startPlayback()) 79 { 80 // TODO(F2): Handle end time attribute, too 81 if( getXAnimationNode()->getDuration().hasValue() ) 82 { 83 scheduleDeactivationEvent(); 84 } 85 else 86 { 87 // no node duration. Take inherent media time, then 88 scheduleDeactivationEvent( 89 makeDelay( boost::bind( &AnimationNode::deactivate, getSelf() ), 90 mpPlayer->getDuration(), 91 "AnimationAudioNode::deactivate with delay") ); 92 } 93 } 94 else 95 { 96 // deactivate ASAP: 97 scheduleDeactivationEvent( 98 makeEvent( boost::bind( &AnimationNode::deactivate, getSelf() ), 99 "AnimationAudioNode::deactivate without delay") ); 100 } 101 } 102 103 // TODO(F2): generate deactivation event, when sound 104 // is over 105 106 void AnimationAudioNode::deactivate_st( NodeState /*eDestState*/ ) 107 { 108 AnimationEventHandlerSharedPtr aHandler( 109 boost::dynamic_pointer_cast<AnimationEventHandler>( getSelf() ) ); 110 OSL_ENSURE( aHandler, 111 "could not cas self to AnimationEventHandler?" ); 112 getContext().mrEventMultiplexer.removeCommandStopAudioHandler( aHandler ); 113 114 // force-end sound 115 if (mpPlayer) 116 { 117 mpPlayer->stopPlayback(); 118 resetPlayer(); 119 } 120 121 // notify _after_ state change: 122 getContext().mrEventQueue.addEvent( 123 makeEvent( boost::bind( &EventMultiplexer::notifyAudioStopped, 124 boost::ref(getContext().mrEventMultiplexer), 125 getSelf() ), 126 "AnimationAudioNode::notifyAudioStopped") ); 127 } 128 129 bool AnimationAudioNode::hasPendingAnimation() const 130 { 131 // force slide to use the animation framework 132 // (otherwise, a single sound on the slide would 133 // not be played). 134 return true; 135 } 136 137 void AnimationAudioNode::createPlayer() const 138 { 139 if (mpPlayer) 140 return; 141 142 try 143 { 144 mpPlayer = SoundPlayer::create( getContext().mrEventMultiplexer, 145 maSoundURL, 146 getContext().mxComponentContext ); 147 } 148 catch( lang::NoSupportException& ) 149 { 150 // catch possible exceptions from SoundPlayer, 151 // since being not able to playback the sound 152 // is not a hard error here (remainder of the 153 // animations should still work). 154 } 155 } 156 157 void AnimationAudioNode::resetPlayer() const 158 { 159 if (mpPlayer) 160 { 161 mpPlayer->stopPlayback(); 162 mpPlayer->dispose(); 163 mpPlayer.reset(); 164 } 165 } 166 167 bool AnimationAudioNode::handleAnimationEvent( 168 const AnimationNodeSharedPtr& /*rNode*/ ) 169 { 170 // TODO(F2): for now we support only STOPAUDIO events. 171 deactivate(); 172 return true; 173 } 174 175 } // namespace internal 176 } // namespace presentation 177 178