1 | /* This file is part of the KDE libraries |
2 | Copyright (C) 2003 Carsten Pfeiffer <pfeiffer@kde.org> |
3 | Copyright (C) 2006 Matthias Kretz <kretz@kde.org> |
4 | |
5 | library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Library General Public |
7 | License as published by the Free Software Foundation, version 2. |
8 | |
9 | This library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Library General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Library General Public License |
15 | along with this library; see the file COPYING.LIB. If not, write to |
16 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 | Boston, MA 02110-1301, USA. |
18 | */ |
19 | |
20 | #include "kfileaudiopreview.h" |
21 | |
22 | #include <QtGui/QCheckBox> |
23 | #include <QtGui/QLayout> |
24 | #include <QtGui/QGroupBox> |
25 | |
26 | #include <kglobal.h> |
27 | #include <kconfig.h> |
28 | #include <klocale.h> |
29 | #include <kmimetype.h> |
30 | #include <kpluginfactory.h> |
31 | #include <kpluginloader.h> |
32 | |
33 | #include <config-kfile.h> |
34 | |
35 | #include <phonon/mediaobject.h> |
36 | #include <phonon/audiooutput.h> |
37 | #include <phonon/path.h> |
38 | #include <phonon/backendcapabilities.h> |
39 | #include <phonon/videowidget.h> |
40 | #include "mediacontrols.h" |
41 | #include <kconfiggroup.h> |
42 | |
43 | K_PLUGIN_FACTORY( KFileAudioPreviewFactory, registerPlugin<KFileAudioPreview>(); ) |
44 | K_EXPORT_PLUGIN( KFileAudioPreviewFactory ) |
45 | |
46 | |
47 | /////////////////////////////////////////////////////////////////// |
48 | /////////////////////////////////////////////////////////////////// |
49 | |
50 | using namespace Phonon; |
51 | |
52 | class KFileAudioPreview::Private |
53 | { |
54 | public: |
55 | Private() |
56 | : player( 0 ) |
57 | , audioOutput( 0 ) |
58 | , videoWidget( 0 ) |
59 | { |
60 | } |
61 | |
62 | MediaObject* player; |
63 | AudioOutput* audioOutput; |
64 | VideoWidget* videoWidget; |
65 | MediaControls* controls; |
66 | }; |
67 | |
68 | |
69 | KFileAudioPreview::KFileAudioPreview( QWidget *parent, const QVariantList & ) |
70 | : KPreviewWidgetBase( parent ) |
71 | , d( new Private ) |
72 | { |
73 | KGlobal::locale()->insertCatalog("kfileaudiopreview4" ); |
74 | |
75 | setSupportedMimeTypes(BackendCapabilities::availableMimeTypes()); |
76 | |
77 | d->audioOutput = new AudioOutput(Phonon::NoCategory, this); |
78 | |
79 | d->videoWidget = new VideoWidget( this ); |
80 | d->videoWidget->hide(); |
81 | |
82 | d->controls = new MediaControls( this ); |
83 | d->controls->setEnabled( false ); |
84 | d->controls->setAudioOutput( d->audioOutput ); |
85 | |
86 | m_autoPlay = new QCheckBox( i18n("Play &automatically" ), this ); |
87 | KConfigGroup config( KGlobal::config(), ConfigGroup ); |
88 | m_autoPlay->setChecked( config.readEntry( "Autoplay sounds" , true ) ); |
89 | connect( m_autoPlay, SIGNAL(toggled(bool)), SLOT(toggleAuto(bool)) ); |
90 | |
91 | QVBoxLayout* layout = new QVBoxLayout(this); |
92 | layout->setMargin(0); |
93 | layout->addWidget(d->videoWidget); |
94 | layout->addWidget(d->controls); |
95 | layout->addWidget(m_autoPlay, 0, Qt::AlignHCenter); |
96 | layout->addStretch(); |
97 | } |
98 | |
99 | KFileAudioPreview::~KFileAudioPreview() |
100 | { |
101 | KConfigGroup config( KGlobal::config(), ConfigGroup ); |
102 | config.writeEntry( "Autoplay sounds" , m_autoPlay->isChecked() ); |
103 | |
104 | delete d; |
105 | } |
106 | |
107 | void KFileAudioPreview::stateChanged( Phonon::State newstate, Phonon::State oldstate ) |
108 | { |
109 | if( oldstate == Phonon::LoadingState && newstate != Phonon::ErrorState ) |
110 | d->controls->setEnabled( true ); |
111 | } |
112 | |
113 | void KFileAudioPreview::showPreview( const KUrl &url ) |
114 | { |
115 | d->controls->setEnabled(false); |
116 | if (!d->player) { |
117 | d->player = new MediaObject(this); |
118 | Phonon::createPath(d->player, d->videoWidget); |
119 | Phonon::createPath(d->player, d->audioOutput); |
120 | connect(d->player, SIGNAL(stateChanged(Phonon::State,Phonon::State)), |
121 | SLOT(stateChanged(Phonon::State,Phonon::State))); |
122 | d->videoWidget->setVisible(d->player->hasVideo()); |
123 | connect(d->player, SIGNAL(hasVideoChanged(bool)), d->videoWidget, SLOT(setVisible(bool))); |
124 | d->controls->setMediaObject(d->player); |
125 | } |
126 | d->player->setCurrentSource(url); |
127 | |
128 | if( m_autoPlay->isChecked() ) |
129 | d->player->play(); |
130 | } |
131 | |
132 | void KFileAudioPreview::clearPreview() |
133 | { |
134 | if( d->player ) |
135 | { |
136 | delete d->player; |
137 | d->player = 0; |
138 | d->controls->setEnabled( false ); |
139 | } |
140 | } |
141 | |
142 | void KFileAudioPreview::toggleAuto( bool on ) |
143 | { |
144 | if( !d->player ) |
145 | return; |
146 | |
147 | if( on && d->controls->isEnabled() ) |
148 | d->player->play(); |
149 | else |
150 | d->player->stop(); |
151 | } |
152 | |
153 | #include "kfileaudiopreview.moc" |
154 | |