src/panels/information/phononwidget.cpp

   1 /*  This file is part of the KDE project
   2     Copyright (C) 2007 Matthias Kretz <kretz@kde.org>
   3
   4     This program is free software; you can redistribute it and/or
   5     modify it under the terms of the GNU General Public License as
   6     published by the Free Software Foundation; either version 2 of
   7     the License, or (at your option) any later version.
   8
   9     This program 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
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  17     02110-1301, USA.
  18
  19 */
  20
  21 #include "phononwidget.h"
  22
  23 #include <Phonon/Global>
  24 #include <Phonon/MediaObject>
  25 #include <Phonon/SeekSlider>
  26 #include <QtGui/QHBoxLayout>
  27 #include <QtGui/QToolButton>
  28 #include <kicon.h>
  29 #include <kurl.h>
  30 #include <klocale.h>
  31
  32 PhononWidget::PhononWidget(QWidget *parent)
  33     : QWidget(parent),
  34     m_url(),
  35     m_playButton(0),
  36     m_stopButton(0),
  37     m_media(0),
  38     m_seekSlider(0)
  39 {
  40     QHBoxLayout *innerLayout = new QHBoxLayout(this);
  41     innerLayout->setMargin(0);
  42     innerLayout->setSpacing(0);
  43     m_playButton = new QToolButton(this);
  44     m_stopButton = new QToolButton(this);
  45     m_seekSlider = new Phonon::SeekSlider(this);
  46     innerLayout->addWidget(m_playButton);
  47     innerLayout->addWidget(m_stopButton);
  48     innerLayout->addWidget(m_seekSlider);
  49
  50     m_playButton->setToolTip(i18n("play"));
  51     m_playButton->setIconSize(QSize(16, 16));
  52     m_playButton->setIcon(KIcon("media-playback-start"));
  53     connect(m_playButton, SIGNAL(clicked()), this, SLOT(play()));
  54
  55     m_stopButton->setToolTip(i18n("stop"));
  56     m_stopButton->setIconSize(QSize(16, 16));
  57     m_stopButton->setIcon(KIcon("media-playback-stop"));
  58     m_stopButton->hide();
  59     connect(m_stopButton, SIGNAL(clicked()), this, SLOT(stop()));
  60
  61     m_seekSlider->setIconVisible(false);
  62 }
  63
  64 void PhononWidget::setUrl(const KUrl &url)
  65 {
  66     m_url = url;
  67     if (m_media) {
  68         m_media->setCurrentSource(url);
  69     }
  70 }
  71
  72 void PhononWidget::stateChanged(Phonon::State newstate)
  73 {
  74     setUpdatesEnabled(false);
  75     switch (newstate) {
  76     case Phonon::PlayingState:
  77     case Phonon::BufferingState:
  78         m_stopButton->show();
  79         m_playButton->hide();
  80         break;
  81     default:
  82         m_stopButton->hide();
  83         m_playButton->show();
  84         break;
  85     }
  86     setUpdatesEnabled(true);
  87 }
  88
  89 void PhononWidget::play()
  90 {
  91     requestMedia();
  92     m_media->play();
  93 }
  94
  95 void PhononWidget::stop()
  96 {
  97     requestMedia();
  98     m_media->stop();
  99 }
 100
 101 void PhononWidget::requestMedia()
 102 {
 103     if (!m_media) {
 104         m_media = Phonon::createPlayer(Phonon::MusicCategory, m_url);
 105         m_media->setParent(this);
 106         connect(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), SLOT(stateChanged(Phonon::State)));
 107         m_seekSlider->setMediaObject(m_media);
 108     }
 109 }
 110