vcs.maemo.org Git - qtmeetings/blob - src/BusinessLogic/Engine.cpp

   1 #include "Engine.h"
   2 #include "Room.h"
   3 #include "Meeting.h"
   4 #include "ConnectionSettings.h"
   5 #include "Configuration.h"
   6 #include "DisplaySettings.h"
   7 #include "CommunicationManager.h"
   8 // #include "DeviceManager.h"
   9 #include "Clock.h"
  10 #include "ErrorMapper.h"
  11 #include "WeeklyViewWidget.h"
  12 #include "SettingsView.h"
  13 #include "RoomStatusIndicatorWidget.h"
  14 #include "PasswordDialog.h"
  15 #include "MeetingInfoDialog.h"
  16
  17 #include <QApplication>
  18 #include <QTimer>
  19 #include <QList>
  20 #include <QtDebug>
  21
  22 QTime Engine::endOfTheDay = QTime( 23, 59, 0, 0 ); // end of the day is 11:59pm
  23 const int IDLE_TIME_MULTIPLIER = 60000; // Multiplies milliseconds to minutes
  24
  25 // Macro to help deleting objects. This could be global.
  26 #define QT_DELETE(X) \
  27         if ( X != 0 ) \
  28         { \
  29                 delete X; \
  30                 X = 0; \
  31         }
  32
  33
  34 Engine::Engine() :
  35                 iClock( 0 ), iConfiguration( 0 ), iCommunication( 0 )
  36 {
  37         qDebug() << "Engine::Engine()";
  38
  39         initConfiguration();
  40         initDevice();
  41         initCommunication();
  42         initUserInterface();
  43
  44         //initialize idle time counter
  45         iIdleTimeCounter = new QTimer();
  46         iIdleTimeCounter->setSingleShot( true );
  47         // iIdleTimeCounter->setInterval( IDLE_TIME_MULTIPLIER * iConfiguration->displaySettings()->screensaver() );
  48         iIdleTimeCounter->setInterval( 10000 );
  49         iIdleTimeCounter->start();
  50         // connect( iIdleTimeCounter, SIGNAL( timeout() ), iWindowManager, SLOT( showRoomStatus() ) );
  51         connect( iIdleTimeCounter, SIGNAL( timeout() ), this, SLOT( idleTimerTimeout() ) );
  52
  53         // create application clock
  54         iClock = new Clock;
  55         connect( iClock, SIGNAL( tick( QDateTime ) ), this, SLOT( checkStatusOfAllRooms() ) );
  56         // connect( iClock, SIGNAL( tick( QDateTime ) ), iWindowManager, SLOT( distributeDateTimeInfo( QDateTime ) ) );
  57
  58         iAutoRefresh = new QTimer;
  59         iAutoRefresh->setInterval( iConfiguration->connectionSettings()->refreshInterval() * 1000 );
  60         iAutoRefresh->start();
  61         connect( iAutoRefresh, SIGNAL( timeout() ), iAutoRefresh, SLOT( start() ) );
  62 //      connect( iAutoRefresh, SIGNAL( timeout() ), this, SLOT( fetchMeetings() ) );
  63
  64         if( iDevice->currentOperationMode() == DeviceManager::KioskMode )
  65         {
  66                 iWindowManager->setFullscreen();
  67         }
  68
  69         connectSignals();
  70
  71         QTimer::singleShot( 0, this, SLOT( fetchMeetings() ) );
  72
  73         // TODO: continue implementation
  74 }
  75
  76 Engine::~Engine()
  77 {
  78         qDebug() << "Engine::~Engine()";
  79         while ( !iMeetings.isEmpty() )
  80                 delete iMeetings.takeFirst();
  81
  82         if ( iIdleTimeCounter != 0 )
  83         {
  84                 iIdleTimeCounter->stop();
  85                 delete iIdleTimeCounter;
  86                 iIdleTimeCounter = 0;
  87         }
  88         QT_DELETE( iClock );
  89         QT_DELETE( iDevice );
  90
  91         QT_DELETE( iRoomStatusIndicator );
  92         QT_DELETE( iSettingsView );
  93         QT_DELETE( iWeeklyView );
  94         QT_DELETE( iPasswordDialog );
  95         QT_DELETE( iWindowManager );
  96 }
  97
  98 void Engine::closeApplication()
  99 {
 100         qDebug() << "Engine::closeApplication()";
 101         // closes application after 1 second
 102         QTimer::singleShot( 1000, QApplication::instance(), SLOT( quit() ) );
 103 }
 104
 105 Room* Engine::defaultRoom()
 106 {
 107         qDebug() << "Engine::defaultRoom()";
 108         return iConfiguration->defaultRoom();
 109 }
 110
 111 void Engine::checkStatusOfAllRooms()
 112 {
 113 //      qDebug() << "Engine::checkStatusOfAllRooms()";
 114         // iterate trough on the rooms
 115         for ( int i = 0; i < iConfiguration->rooms().count(); i++ )
 116         {
 117                 // and check the status
 118                 roomStatusInfoNeeded( iConfiguration->rooms().at( i ) );
 119         }
 120 }
 121
 122 int Engine::indexOfMeetingAt( Room *aRoom, QDateTime aAt )
 123 {
 124 //      qDebug() << "Engine::indexOfMeetingAt( Room *, QDateTime )";
 125         for ( int i = 0; i < iMeetings.count(); i++ )
 126         {
 127                 // exchange server ensures that there is only one meeting in a room at a specified time
 128                 if ( aRoom->equals( iMeetings.at( i )->room() )
 129                           && iMeetings.at( i )->startsAt() <= aAt
 130                           && iMeetings.at( i )->endsAt() >= aAt )
 131                 {
 132                         return i;
 133                 }
 134         }
 135         return -1;
 136 }
 137
 138 int Engine::indexOfMeetingAfter( Room *aRoom, QDateTime aAfter )
 139 {
 140 //      qDebug() << "Engine::indexOfMeetingAfter( Room *, QDateTime )";
 141         // seeks for the next meeting on the SAME DAY
 142         int min = -1;
 143         for ( int i = 0; i < iMeetings.count(); i++ )
 144         {
 145                 // if the meeting is in the same room, on the same day but after the specified time
 146                 if ( aRoom->equals( iMeetings.at( i )->room() )
 147                           && iMeetings.at( i )->startsAt().date() == aAfter.date()
 148                           && iMeetings.at( i )->startsAt() > aAfter )
 149                 {
 150                         // if there was not any meeting find yet or the previously found is a later one then the (i)th
 151                         if ( min == -1
 152                                   || iMeetings.at( min )->startsAt() > iMeetings.at( i )->startsAt() )
 153                         {
 154                                 min = i;
 155                         }
 156                 }
 157         }
 158         return min;
 159 }
 160
 161 void Engine::roomStatusInfoNeeded( Room *aRoom )
 162 {
 163 //      qDebug() << "Engine::roomStatusInfoNeeded( Room * )";
 164         if ( aRoom == 0 )
 165         {
 166                 return;
 167         }
 168
 169         int indexOfCurrentMeeting = indexOfMeetingAt( aRoom, iClock->datetime() );
 170         int indexOfNextMeeting = indexOfMeetingAfter( aRoom, iClock->datetime() );
 171
 172         // if there is no meeting, then status is Free; otherwise Busy
 173         Room::Status status = ( indexOfCurrentMeeting == -1 ) ? Room::FreeStatus : Room::BusyStatus;
 174         // if room is Busy, then check end time, otherwise...
 175         QTime until = ( status == Room::BusyStatus ) ? iMeetings.at( indexOfCurrentMeeting )->endsAt().time() :
 176                           // ...if there is meeting following on the same day then check end time, otherwise end is the of the working day
 177                           (( indexOfNextMeeting != -1 ) ? iMeetings.at( indexOfNextMeeting )->startsAt().time() : Engine::endOfTheDay );
 178
 179         //currently works only for deafult room
 180 //      if( aRoom->equals( *(defaultRoom() ) ) )
 181 //              iWindowManager->roomStatusChanged( aRoom, status, until );
 182 }
 183
 184 void Engine::fetchMeetings()
 185 {
 186         Room *room = defaultRoom();
 187         qDebug() << "Engine::fetchMeetings for " << room->name();
 188         fetchMeetings( iClock->datetime(), iClock->datetime().addDays( 7 ), room );
 189 }
 190
 191 void Engine::fetchMeetingDetails( Meeting *aMeeting )
 192 {
 193         qDebug() << "Engine::fetchMeetingDetails( Meeting* )";
 194         iCommunication->fetchMeetingDetails( *aMeeting );
 195 }
 196
 197 bool Engine::isMeetingInList( const QList<Meeting*> &aList, const Meeting *aMeeting )
 198 {
 199         qDebug() << "Engine::isMeetingInList( const QList<Meeting*> &, const Meeting * )";
 200         for ( int i = 0; i < aList.count(); i++ )
 201         {
 202                 if ( aMeeting->equals( *(aList.at( i )) ) )
 203                 {
 204                         return true;
 205                 }
 206         }
 207         return false;
 208 }
 209
 210 void Engine::meetingsFetched( const QList<Meeting*> &aMeetings )
 211 {
 212         qDebug() << "Engine::meetingsFetched( const QList<Meeting*> & )";
 213         // check if there is any new meeting in the list came from the server -> added
 214         for ( int i = 0; i < aMeetings.count(); i++ )
 215         {
 216                 // if the (i)th meeting is not in the local meeting list
 217                 if ( !isMeetingInList( iMeetings, aMeetings.at( i ) ) )
 218                 {
 219                         // add to the local database =)
 220                         Meeting* m = new Meeting( *(aMeetings.at( i )) );
 221                         iMeetings.append( m );
 222                         // and signal the changes
 223                         iWeeklyView->insertMeeting( m );
 224                 }
 225         }
 226
 227         // check if there is any meeting NOT in the list came from the server -> deleted
 228         for ( int i = 0; i < iMeetings.count(); i++ )
 229         {
 230                 // if the (i)th meeting is in the local but NOT in the server's meeting list
 231                 if ( !isMeetingInList( aMeetings, iMeetings.at( i ) ) )
 232                 {
 233                         Meeting* m = iMeetings.takeAt( i );
 234                         // signal the changes
 235                         iWeeklyView->deleteMeeting( m );
 236                         // delete the meeting from the local list
 237                         delete m;
 238                 }
 239         }
 240
 241         // refresh room status info
 242         roomStatusInfoNeeded( defaultRoom() );
 243 }
 244
 245 void Engine::meetingDetailsFetched( Meeting &aDetailedMeeting )
 246 {
 247         qDebug() << "Engine::meetingDetailsFetched( Meeting & )";
 248
 249         if ( iMeetingInfoDialog != 0 )
 250         {
 251                 iMeetingInfoDialog->setMeeting( &aDetailedMeeting );
 252                 iWindowManager->showDialog( iMeetingInfoDialog );
 253         }
 254
 255 }
 256
 257 void Engine::errorHandler( int aCode, const QString &aAddInfo )
 258 {
 259         qDebug() << "Engine::ErrorHandler, aCode: " << aCode;
 260         // inform UI about the problem
 261         if( aCode >= 100 && aCode <= 110 )
 262                 qDebug() << "CommunicationManager signaled an error:" << aCode;
 263 //      iWindowManager->error( ErrorMapper::codeToString( aCode, aAddInfo ) );
 264 }
 265
 266 void Engine::currentRoomChanged( Room *aCurrentRoom )
 267 {
 268         qDebug() << "Engine::currentRoomChanged to " << aCurrentRoom->name();
 269 //      QDateTime from( iWindowManager->weeklyView()->beginnigOfShownWeek() );
 270 //      QDateTime to( from.addDays( 8 ) );
 271 //      fetchMeetings( from, to, aCurrentRoom );
 272 }
 273
 274 void Engine::fetchMeetings( const QDateTime &aFrom, const QDateTime &aUntil, const Room *aIn )
 275 {
 276         qDebug() << "Engine::fetchMeetings( const QDateTime &, const QDateTime &, const Room * )";
 277         iCommunication->fetchMeetings( aFrom, aUntil, *aIn );
 278 }
 279
 280 void Engine::shownWeekChanged( QDate aFrom )
 281 {
 282         qDebug() << "Engine::shownWeekChanged( QDate )";
 283         QDateTime from( aFrom );
 284         QDateTime to( aFrom.addDays( 7 ), QTime( 23, 59 ) );
 285         qDebug() << "Engine::shownWeekChanged " << aFrom.toString( "d.m. h:mm" ) << " to " << to.toString( "d.m. h:mm" );
 286 //      fetchMeetings( from, to, iWindowManager->weeklyView()->currentRoom() );
 287 }
 288
 289 void Engine::changeModeOrdered( DeviceManager::OperationMode aMode )
 290 {
 291         qDebug() << "Engine::changeModeOrdered( DeviceManager::OperationMode )";
 292         QString message = tr( "You are about to change operation mode to %1." )
 293                                 .arg( iDevice->operationModeToString( aMode ) );
 294
 295         // iPasswordDialog->update( message );
 296         iWindowManager->showDialog( static_cast<QDialog *>( iPasswordDialog ) );
 297 }
 298
 299 void Engine::passwordEntered( PasswordDialog::PasswordStatus aPasswordStatus )
 300 {
 301         qDebug() << "Engine::passwordEntered( PasswordDialog::PasswordStatus )";
 302 //      iWindowManager->closePasswordDialog();
 303
 304         switch ( aPasswordStatus )
 305         {
 306                 case PasswordDialog::Correct :
 307                 {
 308 //                      iWindowManager->showProgressBar( "Changing current operation mode." );
 309 //                      connect( iWindowManager, SIGNAL( progressBarCancelled() ), this, SLOT( progressBarCancelled() ) );
 310 //                      connect( iDevice, SIGNAL( changingMode( const QString & ) ),
 311 //                                      iWindowManager, SLOT( updateProgressBar( const QString & ) ) );
 312                         iDevice->changeMode( true );
 313                         break;
 314                 }
 315                 case PasswordDialog::Incorrect :
 316                 {
 317 //                      iWindowManager->error( tr( "Incorrect password." ) );
 318                         iDevice->changeMode( false );
 319                         break;
 320                 }
 321                 default : //case PasswordDialog::Canceled
 322                 {
 323                         iDevice->changeMode( false );
 324                 }
 325         }
 326 }
 327
 328 void Engine::progressBarCancelled()
 329 {
 330         qDebug() << "Engine::progressBarCancelled()";
 331         //TODO: cancel the on-going event
 332 //      iWindowManager->closeProgressBar();
 333         iDevice->changeMode( false );
 334 }
 335
 336 void Engine::initUserInterface()
 337 {
 338         qDebug() << "[Engine::initUserInterface] <Invoked>";
 339         // Initialize the window manager and connect what ever signals can be connected
 340         iWindowManager = new WindowManager;
 341         connect( iWindowManager, SIGNAL( eventDetected() ), this, SLOT( handleViewEvent() ) );
 342         connect( iWindowManager, SIGNAL( previousViewRestored() ), this, SLOT( previousViewRestored() ) );
 343         connect( iWindowManager, SIGNAL( dialogActivated() ), this, SLOT( dialogActivated() ) );
 344         connect( iWindowManager, SIGNAL( dialogDeactivated() ), this, SLOT( dialogDeactivated() ) );
 345
 346         // Initialize the weekly view and connect what ever signals can be connected at this stage
 347         iWeeklyView = new WeeklyViewWidget(QDateTime::currentDateTime(), iConfiguration);
 348         connect( iWeeklyView, SIGNAL( settingsButtonClicked() ), this, SLOT( settingsViewRequested() ) );
 349         connect( iWeeklyView, SIGNAL( currentRoomChange( Room * ) ) , this, SLOT( currentRoomChange( Room * ) ) );
 350         connect( iWeeklyView, SIGNAL( meetingActivated( Meeting * ) ), this, SLOT( fetchMeetingDetails( Meeting * ) ) ) ;
 351         connect( iWeeklyView, SIGNAL( shownWeekChanged( QDate ) ) , this, SLOT( shownWeekChanged( QDate ) ) );
 352
 353         // Initialize the settings view
 354         iSettingsView = new SettingsView;
 355         connect( iSettingsView, SIGNAL( okClicked() ) , this, SLOT( settingsOkClicked() ) );
 356
 357         // Initialize the room status indicator
 358         iRoomStatusIndicator = new RoomStatusIndicatorWidget( defaultRoom(), Room::FreeStatus, QTime::currentTime(), iConfiguration->displaySettings()->dateFormat() );
 359
 360         // Create password dialog
 361         iPasswordDialog = new PasswordDialog( iConfiguration->adminPassword(), tr("No Text Set"), tr("Title") );
 362         connect( iPasswordDialog, SIGNAL( passwordEntered( PasswordDialog::PasswordStatus ) ), this, SLOT( passwordEntered( PasswordDialog::PasswordStatus ) ) );
 363
 364         // Show the UI
 365         iWindowManager->setWindowState( Qt::WindowMaximized );
 366         iWindowManager->show();
 367         iWindowManager->showView( iWeeklyView );
 368
 369         qDebug() << "[Engine::initUserInterface] <Finished>";
 370 }
 371
 372 void Engine::settingsViewRequested()
 373 {
 374         if ( iSettingsView != 0 )
 375         {
 376                 iWindowManager->showView( static_cast<ViewBase *>( iSettingsView ) );
 377                 // Room status indicator will not be shown when settings view is active
 378                 iIdleTimeCounter->stop();
 379         }
 380 }
 381
 382 void Engine::handleViewEvent()
 383 {
 384         qDebug() << "[Engine::handleViewEvent] <Invoked>";
 385         if ( iIdleTimeCounter != 0 )
 386         {
 387                 // Restart the idle time counter when view event is received
 388                 iIdleTimeCounter->stop();
 389                 iIdleTimeCounter->start();
 390         }
 391 }
 392
 393 void Engine::initConfiguration()
 394 {
 395         iConfiguration = Configuration::instance();
 396         if ( iConfiguration == 0 )
 397         {
 398                 QTimer::singleShot( 0, this, SLOT( closeApplication() ) );
 399         }
 400 }
 401
 402 void Engine::idleTimerTimeout()
 403 {
 404         if ( iRoomStatusIndicator != 0 )
 405         {
 406                 iWindowManager->showView( static_cast<ViewBase *>( iRoomStatusIndicator ) );
 407         }
 408 }
 409
 410 void Engine::settingsOkClicked()
 411 {
 412         if ( iWeeklyView != 0 )
 413         {
 414                 iWindowManager->showView( iWeeklyView );
 415                 // Start the idle time counter when we return to the main view
 416                 iIdleTimeCounter->start();
 417         }
 418 }
 419
 420 void Engine::connectSignals()
 421 {
 422         // Handle weekly view signal connections
 423         connect( iClock, SIGNAL( tick( QDateTime ) ), iWeeklyView, SLOT( setCurrentDateTime( QDateTime ) ) );
 424 }
 425
 426 void Engine::initCommunication()
 427 {
 428         // initialize communication
 429         iCommunication = new CommunicationManager( *(iConfiguration->connectionSettings()) );
 430         connect( iCommunication, SIGNAL( error( int, CommunicationManager::CommunicationType  ) ),
 431                         this, SLOT( errorHandler( int ) ) );
 432         connect( iCommunication, SIGNAL( meetingsFetched( const QList<Meeting*>& ) ),
 433                         this, SLOT( meetingsFetched( const QList<Meeting*>& ) ) );
 434         connect( iCommunication, SIGNAL( meetingDetailsFetched( Meeting& ) ),
 435                         this, SLOT( meetingDetailsFetched( Meeting& ) ) );
 436 }
 437
 438 void Engine::initDevice()
 439 {
 440         // create device manager
 441         iDevice = new DeviceManager( iConfiguration->startupSettings() );
 442         connect( iDevice, SIGNAL( error( int, const QString& ) ), this, SLOT( errorHandler( int, const QString& ) ) );
 443         connect( iDevice, SIGNAL( changeModeOrdered( DeviceManager::OperationMode ) ),
 444                         this, SLOT( changeModeOrdered( DeviceManager::OperationMode ) ) );
 445         iDevice->initDeviceManager();
 446 }
 447
 448 void Engine::dialogActivated()
 449 {
 450         if ( iIdleTimeCounter != 0 )
 451         {
 452                 iIdleTimeCounter->stop();
 453         }
 454 }
 455
 456 void Engine::dialogDeactivated()
 457 {
 458         if ( iIdleTimeCounter != 0 )
 459         {
 460                 iIdleTimeCounter->start();
 461         }
 462 }
 463
 464 void Engine::previousViewRestored()
 465 {
 466         if ( iIdleTimeCounter != 0 )
 467         {
 468                 iIdleTimeCounter->start();
 469         }
 470 }