src/konquisidebar/universalamarok.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2004 by Marco Gulino                                    *
   3  *   marco@Paganini                                                        *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.             *
  19  ***************************************************************************/
  20
  21 #include "universalamarok.h"
  22 #include "amarokdcopiface_stub.h"
  23
  24
  25 #include <QLabel>
  26 //Added by qt3to4:
  27 #include <QDropEvent>
  28 #include <QEvent>
  29 #include <QDragEnterEvent>
  30 #include <kinstance.h>
  31 #include <klocale.h>
  32 #include <QString>
  33 #include <QtGui/QWidget>
  34 #include <kglobal.h>
  35 #include <kstandarddirs.h>
  36 #include <QLayout>
  37 #include <QTimer>
  38 #include <dcopclient.h>
  39 #include <kmessagebox.h>
  40 #include <kpushbutton.h>
  41 #include <kiconloader.h>
  42 #include <QDateTime>
  43 #include <QFileInfo>
  44 #include <ktoolbar.h>
  45 #include <kapplication.h>
  46 #include <QSlider>
  47 #include <kdebug.h>
  48 #include <k3urldrag.h>
  49 #include <khtmlview.h>
  50 #include <ktoolinvocation.h>
  51
  52 #define HTML_FILE KGlobal::dirs()->saveLocation( "data", "amarok/", true ) + "contextbrowser.html"
  53
  54 amarokWidget::amarokWidget( QWidget * parent, const char * name, Qt::WFlags f )
  55                  : KVBox(parent, name, f)
  56 {
  57     setAcceptDrops(true);
  58 }
  59 void amarokWidget::dragEnterEvent(QDragEnterEvent* event)
  60 {
  61     event->accept( K3URLDrag::canDecode(event) );
  62 }
  63
  64 void amarokWidget::dropEvent(QDropEvent* event)
  65 {
  66     KUrl::List urlList;
  67     if( K3URLDrag::decode(event, urlList) )
  68     {
  69         KUrl::List::iterator it;
  70         KUrl::List::iterator end( urlList.end() );
  71         for (it = urlList.begin(); it != end; ++it )
  72             emit emitURL(*it);
  73     }
  74 }
  75
  76 bool amarokWidget::eventFilter( QObject *, QEvent *e )
  77 {
  78     if(e->type() < QEvent::DragEnter || e->type() > QEvent::Drop )
  79         return false;
  80     QApplication::sendEvent(this, e);
  81     return true;
  82 }
  83
  84 UniversalAmarok::UniversalAmarok(KInstance *inst,QObject *parent,QWidget *widgetParent, QString &desktopName, const char* name):
  85                    KonqSidebarPlugin(inst,parent,widgetParent,desktopName,name)
  86 {
  87     KIconLoader::global()->addAppDir( "amarok" );
  88     widget = new amarokWidget( widgetParent );
  89 //    widgetParent->resize(580,300);
  90     KToolBar *topBar = new KToolBar( widget, "Topbar" );
  91     topBar->setIconSize(16);
  92     topBar->insertButton( "today",    0, SIGNAL( clicked() ), this, SLOT( currentTrack() ) );
  93     topBar->insertButton( "document", 0, SIGNAL( clicked() ), this, SLOT( lyrics() ) );
  94     topBar->insertButton( "personal", 0, SIGNAL( clicked() ), this, SLOT( wiki() ) );
  95
  96     browser = new KHTMLPart(widget, "widget-browser");
  97 //browser=new KHTMLPart(widget);
  98     kDebug() << "parentPart() << " << browser->parentPart();
  99     browser->setDNDEnabled( true );
 100     browser->setEncoding( "utf8", true );
 101     updateBrowser( HTML_FILE );
 102     browser->view()->installEventFilter( widget );
 103     amarokDCOP = new DCOPClient();
 104     amarokDCOP->attach();
 105
 106     playerStub   = new AmarokPlayerInterface_stub( amarokDCOP, "amarok", "player");
 107     playlistStub = new AmarokPlaylistInterface_stub( amarokDCOP, "amarok", "playlist");
 108     contextStub = new AmarokContextBrowserInterface_stub (amarokDCOP, "amarok", "contextbrowser");
 109
 110     KToolBar* toolBar=new KToolBar(widget, "PlayerControls");
 111
 112     toolBar->setIconSize(16);
 113     toolBar->insertButton( "player_start",0, SIGNAL( clicked() ), this, SLOT( sendPrev() ) );
 114     toolBar->insertButton( "player_play", 0, SIGNAL( clicked() ), this, SLOT( sendPlay() ) );
 115     toolBar->insertButton( "player_pause",0, SIGNAL( clicked() ), this, SLOT( sendPause() ) );
 116     toolBar->insertButton( "player_stop", 0, SIGNAL( clicked() ), this, SLOT( sendStop() ) );
 117     toolBar->insertButton( "player_end",  0, SIGNAL( clicked() ), this, SLOT( sendNext() ) );
 118
 119     toolBar->insertSeparator();
 120     toolBar->insertButton( "arts",        0, SIGNAL( clicked() ), this, SLOT( sendMute() ) );
 121
 122     vol_slider = new QSlider(0,100,1,0,Qt::Horizontal, toolBar,"volume");
 123     vol_slider->setLineStep(2);
 124
 125     connect(vol_slider, SIGNAL( valueChanged(int) ), this, SLOT(volChanged(int ) ) );
 126     toolBar->insertWidget(1,2, vol_slider);
 127
 128     fileInfo  = new QFileInfo(HTML_FILE);
 129     QTimer *t = new QTimer( this );
 130
 131     connect( t, SIGNAL(timeout()), SLOT(updateStatus() ) );
 132     t->start( 2000, false );
 133     kDebug() << "Connecting widget signal";
 134
 135     connect( widget,                      SIGNAL( emitURL( const KUrl &)),
 136              this,                        SLOT( openUrlRequest( const KUrl &) ) );
 137     connect( browser->browserExtension(), SIGNAL( openUrlRequest( const KUrl &, const KParts::URLArgs & ) ),
 138              this,                        SLOT( openUrlRequest( const KUrl & ) ) );
 139     widget->show();
 140 }
 141
 142
 143 UniversalAmarok::~UniversalAmarok()
 144 {
 145     delete fileInfo;
 146 }
 147
 148
 149 #include "universalamarok.moc"
 150
 151
 152 // FIXME: is this referenced from anywhere ??!
 153
 154 extern "C"
 155 {
 156     KDE_EXPORT void* create_konqsidebar_universalamarok(KInstance *instance,QObject *par,QWidget *widp,QString &desktopname,const char *name)
 157     {
 158         KGlobal::locale()->insertCatalog( "amarok" );
 159         return new UniversalAmarok(instance,par,widp,desktopname,name);
 160     }
 161 }
 162
 163 // FIXME: Is this referenced from anywhere ??!
 164 extern "C"
 165 {
 166     KDE_EXPORT bool add_konqsidebar_universalamarok(QString* fn, QString* param, QMap<QString,QString> *map)
 167         {
 168         Q_UNUSED(param);
 169
 170         map->insert ("Type", "Link");
 171         map->insert ("URL", "");
 172         map->insert ("Icon", "amarok");
 173         map->insert ("Name", i18n ("Amarok"));
 174         map->insert ("Open", "true");
 175         map->insert ("X-KDE-KonqSidebarModule","konqsidebar_universalamarok");
 176         fn->setLatin1 ("amarok.desktop");
 177         return true;
 178     }
 179 }
 180
 181
 182 /*!
 183     \fn UniversalAmarok::updateBrowser()
 184  */
 185 void UniversalAmarok::updateBrowser(const QString& file)
 186 {
 187     if (! (QFile::exists(file) ) )
 188     {
 189         showIntroduction();
 190         return;
 191     }
 192     QString text;
 193     QFile f_file(file);
 194     if( f_file.open(QIODevice::ReadOnly) )
 195     {
 196         QTextStream stream( &f_file );
 197         stream.setCodec( "UTF8" );
 198         QString line;
 199         while ( !stream.atEnd() ) {
 200             line = stream.readLine(); // line of text excluding '\n'
 201              text += QString("\n") + line;
 202         } f_file.close();
 203             text=text.replace("<img id='current_box-largecover-image' ", "<img id='current_box-largecover-image' width=70 height=70 ");
 204         browser->begin();
 205         browser->write(text);
 206         browser->end();
 207     } else
 208     browser->openUrl(file);
 209 }
 210
 211
 212 /*!
 213     \fn UniversalAmarok::updateStatus()
 214  */
 215 void UniversalAmarok::updateStatus()
 216 {
 217     checkForAmarok();
 218     vol_slider->setValue( playerStub->getVolume() );
 219     fileInfo->refresh();
 220     if( fileInfo->lastModified() != fileDT )
 221     {
 222         updateBrowser( HTML_FILE );
 223         fileDT=fileInfo->lastModified();
 224     }
 225 }
 226
 227
 228 /*!
 229     \fn UniversalAmarok::getCurrentPlaying()
 230  */
 231 QString UniversalAmarok::getCurrentPlaying()
 232 {
 233     return playerStub->nowPlaying();
 234 }
 235
 236
 237 /*!
 238     \fn UniversalAmarok::openUrlRequest( const KUrl &url )
 239  */
 240 void UniversalAmarok::openUrlRequest( const KUrl &url )
 241 {
 242    if( ! url.isValid() ) return;
 243    if (url.url() == "run:amarok") {
 244         runAmarok();
 245         return;
 246    }
 247    checkForAmarok();
 248    playlistStub->playMedia(url);
 249 }
 250
 251
 252 /*!
 253     \fn UniversalAmarok::checkForAmarok()
 254  */
 255 void UniversalAmarok::checkForAmarok()
 256 {
 257     if(!amarokDCOP->isApplicationRegistered("amarok"))
 258         noAmarokRunning();
 259 }
 260
 261
 262 void UniversalAmarok::noAmarokRunning() {
 263     QString  m_HTMLSource="";
 264     m_HTMLSource.append(
 265             "<html>"
 266             "<div id='introduction_box' class='box'>"
 267                 "<div id='introduction_box-header' class='box-header'>"
 268                     "<span id='introduction_box-header-title' class='box-header-title'>"
 269                     + i18n( "Amarok is not running!" ) +
 270                     "</span>"
 271                 "</div>"
 272                 "<div id='introduction_box-body' class='box-body'>"
 273                     "<p>" +
 274                     i18n( "To run Amarok, just click on the link below: "
 275                         ) +
 276                     "</p>"
 277                     "<a href='run:amarok' class='button'>" + i18n( "Run Amarok..." ) + "</a>"
 278                 "</div>"
 279             "</div>"
 280             "</html>"
 281                        );
 282     browser->begin();
 283     browser->write( m_HTMLSource );
 284     browser->end();
 285 }
 286
 287 void UniversalAmarok::runAmarok() {
 288     KToolInvocation::kdeinitExecWait("amarok");
 289 }
 290
 291
 292
 293 void UniversalAmarok::volChanged(int vol)
 294 {
 295     checkForAmarok();
 296     playerStub->setVolume(vol);
 297 }
 298
 299 void UniversalAmarok::showIntroduction()
 300 {
 301     QString  m_HTMLSource="";
 302     m_HTMLSource.append(
 303             "<html>"
 304             "<div id='introduction_box' class='box'>"
 305                 "<div id='introduction_box-header' class='box-header'>"
 306                     "<span id='introduction_box-header-title' class='box-header-title'>"
 307                     + i18n( "Hello Amarok user!" ) +
 308                     "</span>"
 309                 "</div>"
 310                 "<div id='introduction_box-body' class='box-body'>"
 311                     "<p>" +
 312                     i18n( "This is the Context Browser: "
 313                           "it shows you contextual information about the currently playing track. "
 314                           "In order to use this feature of Amarok, you need to build a Collection."
 315                         ) +
 316                     "</p>"
 317                     "<a href='show:collectionSetup' class='button'>" + i18n( "Build Collection..." ) + "</a>"
 318                 "</div>"
 319             "</div>"
 320             "</html>"
 321                        );
 322 kDebug() << m_HTMLSource;
 323     browser->begin();
 324     browser->write( m_HTMLSource );
 325     browser->end();
 326 }