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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 :
21 : // must be first
22 : #include <canvas/debug.hxx>
23 : #include <canvas/verbosetrace.hxx>
24 :
25 : #include "eventqueue.hxx"
26 : #include "animationaudionode.hxx"
27 : #include "delayevent.hxx"
28 : #include "tools.hxx"
29 : #include "nodetools.hxx"
30 : #include "boost/bind.hpp"
31 :
32 : using namespace com::sun::star;
33 :
34 : namespace slideshow {
35 : namespace internal {
36 :
37 0 : AnimationAudioNode::AnimationAudioNode(
38 : const uno::Reference< animations::XAnimationNode >& xNode,
39 : const BaseContainerNodeSharedPtr& rParent,
40 : const NodeContext& rContext )
41 : : BaseNode( xNode, rParent, rContext ),
42 : mxAudioNode( xNode, uno::UNO_QUERY_THROW ),
43 : maSoundURL(),
44 0 : mpPlayer()
45 : {
46 0 : mxAudioNode->getSource() >>= maSoundURL;
47 :
48 : OSL_ENSURE( !maSoundURL.isEmpty(),
49 : "could not extract sound source URL/empty URL string" );
50 :
51 0 : ENSURE_OR_THROW( getContext().mxComponentContext.is(),
52 : "Invalid component context" );
53 0 : }
54 :
55 0 : void AnimationAudioNode::dispose()
56 : {
57 0 : resetPlayer();
58 0 : mxAudioNode.clear();
59 0 : BaseNode::dispose();
60 0 : }
61 :
62 0 : void AnimationAudioNode::activate_st()
63 : {
64 0 : createPlayer();
65 :
66 : AnimationEventHandlerSharedPtr aHandler(
67 0 : boost::dynamic_pointer_cast<AnimationEventHandler>( getSelf() ) );
68 : OSL_ENSURE( aHandler,
69 : "could not cast self to AnimationEventHandler?" );
70 0 : getContext().mrEventMultiplexer.addCommandStopAudioHandler( aHandler );
71 :
72 0 : if (mpPlayer && mpPlayer->startPlayback())
73 : {
74 : // TODO(F2): Handle end time attribute, too
75 0 : if( getXAnimationNode()->getDuration().hasValue() )
76 : {
77 0 : scheduleDeactivationEvent();
78 : }
79 : else
80 : {
81 : // no node duration. Take inherent media time, then
82 : scheduleDeactivationEvent(
83 0 : makeDelay( boost::bind( &AnimationNode::deactivate, getSelf() ),
84 : mpPlayer->getDuration(),
85 0 : "AnimationAudioNode::deactivate with delay") );
86 : }
87 : }
88 : else
89 : {
90 : // deactivate ASAP:
91 : scheduleDeactivationEvent(
92 0 : makeEvent( boost::bind( &AnimationNode::deactivate, getSelf() ),
93 0 : "AnimationAudioNode::deactivate without delay") );
94 0 : }
95 0 : }
96 :
97 : // TODO(F2): generate deactivation event, when sound
98 : // is over
99 :
100 0 : void AnimationAudioNode::deactivate_st( NodeState /*eDestState*/ )
101 : {
102 : AnimationEventHandlerSharedPtr aHandler(
103 0 : boost::dynamic_pointer_cast<AnimationEventHandler>( getSelf() ) );
104 : OSL_ENSURE( aHandler,
105 : "could not cas self to AnimationEventHandler?" );
106 0 : getContext().mrEventMultiplexer.removeCommandStopAudioHandler( aHandler );
107 :
108 : // force-end sound
109 0 : if (mpPlayer)
110 : {
111 0 : mpPlayer->stopPlayback();
112 0 : resetPlayer();
113 : }
114 :
115 : // notify _after_ state change:
116 0 : getContext().mrEventQueue.addEvent(
117 0 : makeEvent( boost::bind( &EventMultiplexer::notifyAudioStopped,
118 : boost::ref(getContext().mrEventMultiplexer),
119 : getSelf() ),
120 0 : "AnimationAudioNode::notifyAudioStopped") );
121 0 : }
122 :
123 0 : bool AnimationAudioNode::hasPendingAnimation() const
124 : {
125 : // force slide to use the animation framework
126 : // (otherwise, a single sound on the slide would
127 : // not be played).
128 0 : return true;
129 : }
130 :
131 0 : void AnimationAudioNode::createPlayer() const
132 : {
133 0 : if (mpPlayer)
134 0 : return;
135 :
136 : try
137 : {
138 0 : mpPlayer = SoundPlayer::create( getContext().mrEventMultiplexer,
139 : maSoundURL,
140 0 : getContext().mxComponentContext );
141 : }
142 0 : catch( lang::NoSupportException& )
143 : {
144 : // catch possible exceptions from SoundPlayer,
145 : // since being not able to playback the sound
146 : // is not a hard error here (remainder of the
147 : // animations should still work).
148 : }
149 : }
150 :
151 0 : void AnimationAudioNode::resetPlayer() const
152 : {
153 0 : if (mpPlayer)
154 : {
155 0 : mpPlayer->stopPlayback();
156 0 : mpPlayer->dispose();
157 0 : mpPlayer.reset();
158 : }
159 0 : }
160 :
161 0 : bool AnimationAudioNode::handleAnimationEvent(
162 : const AnimationNodeSharedPtr& /*rNode*/ )
163 : {
164 : // TODO(F2): for now we support only STOPAUDIO events.
165 0 : deactivate();
166 0 : return true;
167 : }
168 :
169 : } // namespace internal
170 3 : } // namespace presentation
171 :
172 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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