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 "UIManager.h"
  12
  13 #include <QApplication>
  14 #include <QTimer>
  15 #include <QList>
  16 #include <QtDebug>
  17
  18 QTime Engine::endOfTheDay = QTime( 23, 59, 0, 0); // end of the day is 11:59pm
  19 const int IDLE_TIME_MULTIPLIER = 60000; // Multiplies milliseconds to minutes
  20
  21 // Macro to help deleting objects. This could be global.
  22 #define QT_DELETE(X) \
  23         if ( X != 0 ) \
  24         { \
  25                 delete X; \
  26                 X = 0; \
  27         }
  28
  29
  30 Engine::Engine() :
  31                 iClock( 0 ), iConfiguration( 0 ), iCommunication( 0 ),
  32                 iWindowManager( 0 ), iUIManager( 0 )
  33 {
  34         qDebug() << "Engine::Engine()";
  35         iCommunicationFailed = true;
  36
  37         initConfiguration();
  38         initDevice();
  39         initCommunication();
  40         initUserInterface();
  41
  42         //initialize idle time counter
  43         iIdleTimeCounter = new QTimer();
  44         iIdleTimeCounter->setSingleShot( true);
  45         iIdleTimeCounter->setInterval(IDLE_TIME_MULTIPLIER * iConfiguration->displaySettings()->screensaver() );
  46         iIdleTimeCounter->start();
  47
  48         // create application clock
  49         iClock = new Clock;
  50         connect( iClock, SIGNAL( tick( QDateTime ) ), this, SLOT( tick( QDateTime )/*checkStatusOfAllRooms()*/ ) );
  51         // connect( iClock, SIGNAL( tick( QDateTime ) ), iWindowManager, SLOT( distributeDateTimeInfo( QDateTime ) ) );
  52
  53         // Create auto refresh timer
  54         iAutoRefresh = new QTimer;
  55
  56         iAutoRefresh->setInterval(Configuration::instance()->getRefreshinterval() * 1000);
  57
  58         iAutoRefresh->start();
  59         connect( iAutoRefresh, SIGNAL( timeout() ), iAutoRefresh, SLOT( start() ) );
  60         connect( iAutoRefresh, SIGNAL( timeout() ), this, SLOT( updateRoomInfo() ) );
  61         // connect( iAutoRefresh, SIGNAL( timeout() ), this, SLOT( fetchMeetings() ) );
  62
  63         if( iDevice->currentOperationMode() == DeviceManager::KioskMode )
  64         {
  65                 iWindowManager->setFullscreen();
  66         }
  67
  68         connectSignals();
  69         connect( Configuration::instance(), SIGNAL( configurationChanged() ), this, SLOT( configurationChanged() ) );
  70         // QTimer::singleShot( 0, this, SLOT( fetchMeetings() ) );
  71
  72         // TODO: continue implementation
  73 }
  74
  75 Engine::~Engine()
  76 {
  77         qDebug() << "Engine::~Engine()";
  78         while ( !iMeetings.isEmpty() )
  79                 delete iMeetings.takeFirst();
  80
  81         if ( iIdleTimeCounter != 0 )
  82         {
  83                 iIdleTimeCounter->stop();
  84                 delete iIdleTimeCounter;
  85                 iIdleTimeCounter = 0;
  86         }
  87         QT_DELETE( iClock );
  88         QT_DELETE( iDevice );
  89
  90         QT_DELETE( iUIManager );
  91         QT_DELETE( iWindowManager );
  92 }
  93
  94 void Engine::closeApplication()
  95 {
  96         qDebug() << "Engine::closeApplication()";
  97         // closes application after 1 second
  98         QTimer::singleShot( 1000, QApplication::instance(), SLOT( quit() ));
  99 }
 100
 101 Room* Engine::defaultRoom()
 102 {
 103         qDebug() << "Engine::defaultRoom()";
 104         return iConfiguration->defaultRoom();
 105 }
 106
 107 void Engine::checkStatusOfAllRooms()
 108 {
 109         // TODO: Check if date has changed
 110         // iterate trough on the rooms
 111         for (int i = 0; i < iConfiguration->rooms().count(); i++)
 112         {
 113                 // and check the status
 114                 roomStatusInfoNeeded( iConfiguration->rooms().at(i) );
 115         }
 116 }
 117
 118 int Engine::indexOfMeetingAt(Room *aRoom, QDateTime aAt)
 119 {
 120 //      qDebug() << "Engine::indexOfMeetingAt( Room *, QDateTime )";
 121         for ( int i = 0; i < iMeetings.count(); i++ )
 122         {
 123                 // exchange server ensures that there is only one meeting in a room at a specified time
 124                 if (aRoom->equals(iMeetings.at( i )->room() ) && iMeetings.at( i )->startsAt() <= aAt && iMeetings.at( i )->endsAt() >= aAt)
 125                 {
 126                         return i;
 127                 }
 128         }
 129         return -1;
 130 }
 131
 132 int Engine::indexOfMeetingAfter(Room *aRoom, QDateTime aAfter)
 133 {
 134 //      qDebug() << "Engine::indexOfMeetingAfter( Room *, QDateTime )";
 135         // seeks for the next meeting on the SAME DAY
 136         int min = -1;
 137         for (int i = 0; i < iMeetings.count(); i++)
 138         {
 139                 // if the meeting is in the same room, on the same day but after the specified time
 140                 if (aRoom->equals(iMeetings.at( i )->room() ) && iMeetings.at( i )->startsAt().date() == aAfter.date() && iMeetings.at( i )->startsAt() > aAfter)
 141                 {
 142                         // if there was not any meeting find yet or the previously found is a later one then the (i)th
 143                         if (min == -1 || iMeetings.at( min )->startsAt() > iMeetings.at( i )->startsAt() )
 144                         {
 145                                 min = i;
 146                         }
 147                 }
 148         }
 149         return min;
 150 }
 151
 152 void Engine::roomStatusInfoNeeded(Room *aRoom)
 153 {
 154 //      qDebug() << "Engine::roomStatusInfoNeeded( Room * )";
 155         if ( aRoom == 0 )
 156         {
 157                 return;
 158         }
 159
 160         int indexOfCurrentMeeting = indexOfMeetingAt(aRoom, iClock->datetime() );
 161         int indexOfNextMeeting = indexOfMeetingAfter(aRoom, iClock->datetime() );
 162
 163         // if there is no meeting, then status is Free; otherwise Busy
 164         Room::Status status = (indexOfCurrentMeeting == -1 ) ? Room::FreeStatus : Room::BusyStatus;
 165         // if room is Busy, then check end time, otherwise...
 166         QTime until = (status == Room::BusyStatus ) ? iMeetings.at( indexOfCurrentMeeting )->endsAt().time() :
 167         // ...if there is meeting following on the same day then check end time, otherwise end is the of the working day
 168         ( ( indexOfNextMeeting != -1 ) ? iMeetings.at( indexOfNextMeeting )->startsAt().time() : Engine::endOfTheDay );
 169
 170         //currently works only for default room
 171         if ( aRoom->equals( *(iCurrentRoom) ) )
 172         {
 173                 emit roomStatusChanged( status, until );
 174         }
 175 }
 176
 177 void Engine::fetchMeetingDetails( Meeting *aMeeting )
 178 {
 179         qDebug() << "Engine::fetchMeetingDetails( Meeting* )";
 180         iCommunication->fetchMeetingDetails( *aMeeting );
 181 }
 182
 183 void Engine::meetingsFetched( const QList<Meeting*> &aMeetings )
 184 {
 185         qDebug() << "Engine::meetingsFetched( const QList<Meeting*> & )";
 186         QTime c = QTime::currentTime();
 187         iLastCommunication.setHMS( c.hour(), c.minute(), c.second() );
 188
 189         qDebug() << "Error length: "<< iCommunicationError.length();
 190         qDebug() << "Error: "<< iCommunicationError;
 191
 192         if( iCommunicationError.length() == 0 )
 193         {
 194                 iCommunicationFailed = false;
 195                 iUIManager->connectionEstablished();
 196         }
 197
 198         for ( int i = 0; i < iMeetings.count(); ++i )
 199         {
 200                 // TODO: Check if these are current week's meetings and do not overwrite those
 201                 Meeting* m = iMeetings.takeAt( i );
 202                 delete m;
 203         }
 204         iMeetings.clear();
 205         for ( int i = 0; i < aMeetings.count(); ++i ) {
 206                 Meeting* m = new Meeting( *( aMeetings.at( i ) ) );
 207                 iMeetings.append( m );
 208         }
 209
 210         // refresh room status info
 211         roomStatusInfoNeeded( iCurrentRoom /*defaultRoom()*/ );
 212 }
 213
 214 void Engine::errorHandler( int aCode, const QString &aAddInfo )
 215 {
 216         iCommunicationFailed = true;
 217
 218         if( aCode >= 100 && aCode < 150 )
 219         {
 220                 if ( iUIManager != 0 )
 221                         {
 222                                 iUIManager->connectionLost();
 223                         }
 224         }
 225         if ( iWindowManager != 0 )
 226         {
 227                 iCommunicationError = ErrorMapper::codeToString( aCode, aAddInfo );
 228                 //iWindowManager->error( ErrorMapper::codeToString( aCode, aAddInfo ) );
 229         }
 230 }
 231
 232 bool Engine::connected()
 233 {
 234         return !iCommunicationFailed;
 235 }
 236
 237 QTime Engine::lastUpdated()
 238 {
 239         return iLastCommunication;
 240 }
 241
 242 QString Engine::errorMessage()
 243 {
 244         return iCommunicationError;
 245 }
 246
 247 void Engine::fetchMeetings( const int aWeek, const int aYear, const Room *aIn )
 248 {
 249         qDebug()
 250                         << "Engine::fetchMeetings( const int aWeek, const int aYear, const Room * )";
 251         iCommunicationError = "";
 252         iCommunication->fetchMeetings(aWeek, aYear, *aIn);
 253 }
 254
 255 void Engine::cancelFetchMeetingDetails()
 256 {
 257         iCommunication->cancelFetchMeetingDetails();
 258 }
 259
 260 void Engine::shownWeekChanged( QDate aFrom )
 261 {
 262         qDebug() << "[Engine::shownWeekChanged] <Invoked>";
 263         iCommunicationError = "";
 264         iCommunication->fetchMeetings( aFrom.weekNumber(), aFrom.year(), *iCurrentRoom/*defaultRoom()*/ );
 265 }
 266
 267 void Engine::changeDeviceMode()
 268 {
 269         connect( iDevice, SIGNAL( changeModeFailed() ), this, SLOT( changeModeFailed() ) );
 270         iAutoRefresh->stop(); // Stop the meeting update
 271         iDevice->changeMode();
 272 }
 273
 274 void Engine::changeModeFailed()
 275 {
 276         qDebug() << "Engine::progressBarCancelled()";
 277         iAutoRefresh->start(); //we start the metting updating
 278 }
 279
 280 void Engine::initUserInterface()
 281 {
 282         qDebug() << "[Engine::initUserInterface] <Invoked>";
 283
 284         // Initialize the window manager and connect what ever signals can be connected
 285         iWindowManager = new WindowManager;
 286         // Create the UIManager which internally handles most of the UI actions
 287         iUIManager = new UIManager( this, iWindowManager );
 288
 289         connect( iWindowManager, SIGNAL( eventDetected() ), this, SLOT( handleViewEvent() ) );
 290         connect( iWindowManager, SIGNAL( previousViewRestored() ), iUIManager, SLOT( previousViewRestored() ) );
 291         connect( iWindowManager, SIGNAL( dialogActivated() ), this, SLOT( dialogActivated() ) );
 292         connect( iWindowManager, SIGNAL( dialogDeactivated() ), this, SLOT( dialogDeactivated() ) );
 293
 294         // Show the UI
 295         iWindowManager->setWindowState( Qt::WindowMaximized );
 296         iWindowManager->show();
 297         iUIManager->showMainView();
 298
 299         // This triggers the meeting fetching
 300         iUIManager->currentRoomChanged( this->iCurrentRoom );
 301
 302         qDebug() << "[Engine::initUserInterface] <Finished>";
 303 }
 304
 305 void Engine::handleViewEvent()
 306 {
 307         if ( iIdleTimeCounter != 0 && iIdleTimeCounter->isActive())
 308         {
 309                 // Restart the idle time counter when view event is received
 310                 iIdleTimeCounter->stop();
 311                 iIdleTimeCounter->start();
 312         }
 313 }
 314
 315 void Engine::initConfiguration()
 316 {
 317         iConfiguration = Configuration::instance();
 318         if ( iConfiguration == 0 )
 319         {
 320                 QTimer::singleShot( 0, this, SLOT( closeApplication() ) );
 321         }
 322         iCurrentRoom = iConfiguration->defaultRoom();
 323 }
 324
 325 void Engine::connectSignals()
 326 {
 327         // Connect engine objects signals to UIManager
 328         connect( iClock, SIGNAL( tick( QDateTime ) ), iUIManager, SLOT( updateTime( QDateTime ) ) );
 329         connect( iIdleTimeCounter, SIGNAL( timeout() ) , iUIManager, SLOT( roomStatusIndicatorRequested() ) );
 330
 331         iUIManager->connectDeviceManager( iDevice );
 332         iUIManager->connectCommunicationManager( iCommunication );
 333 }
 334
 335 void Engine::initCommunication()
 336 {
 337         // initialize communication
 338         iCommunication = new CommunicationManager(/* *(iConfiguration->connectionSettings()) */);
 339         connect( iCommunication, SIGNAL( error( int, CommunicationManager::CommunicationType  ) ),
 340                         this, SLOT( errorHandler( int ) ) );
 341         connect( iCommunication, SIGNAL( meetingsFetched( const QList<Meeting*>& ) ),
 342                         this, SLOT( meetingsFetched( const QList<Meeting*>& ) ) );
 343 }
 344
 345 void Engine::initDevice()
 346 {
 347         // create device manager
 348         iDevice = new DeviceManager( iConfiguration->startupSettings() );
 349         connect( iDevice, SIGNAL( error( int, const QString& ) ), this, SLOT( errorHandler( int, const QString& ) ) );
 350         iDevice->initDeviceManager();
 351 }
 352
 353 void Engine::dialogActivated()
 354 {
 355         if ( iIdleTimeCounter != 0 )
 356         {
 357                 iIdleTimeCounter->stop();
 358         }
 359 }
 360
 361 void Engine::dialogDeactivated()
 362 {
 363         if ( iIdleTimeCounter != 0 )
 364         {
 365                 iIdleTimeCounter->start();
 366         }
 367 }
 368
 369 void Engine::previousViewRestored()
 370 {
 371         if ( iIdleTimeCounter != 0 )
 372         {
 373                 iIdleTimeCounter->start();
 374         }
 375 }
 376
 377 void Engine::stopIdleTimeCounter()
 378 {
 379         if ( iIdleTimeCounter != 0 )
 380         {
 381                 iIdleTimeCounter->stop();
 382         }
 383 }
 384
 385 void Engine::startIdleTimeCounter()
 386 {
 387         if ( iIdleTimeCounter != 0 )
 388         {
 389                 iIdleTimeCounter->start();
 390         }
 391 }
 392
 393 void Engine::currentRoomChanged(Room *aRoom)
 394 {
 395         qDebug() << "[Engine::currentRoomChanged] <invoked>";
 396         iCurrentRoom = aRoom;
 397         roomStatusInfoNeeded( iCurrentRoom );
 398 }
 399
 400 void Engine::tick( QDateTime aCurrentDateTime )
 401 {
 402         // Called once every second
 403         checkStatusOfAllRooms();
 404         if( aCurrentDateTime.date() !=  iCurrentDate)
 405         {
 406                 // Check if week has changed and fetch meetings for this week
 407                 if( aCurrentDateTime.date().weekNumber() != iCurrentDate.weekNumber()
 408                         || aCurrentDateTime.date().year() != iCurrentDate.year() )
 409                 {
 410                         qDebug() << "[Engine::tick] detected week change, fetching meetings";
 411                         fetchMeetings( aCurrentDateTime.date().weekNumber(), aCurrentDateTime.date().year(), iCurrentRoom );
 412                 }
 413         }
 414         iCurrentDate = aCurrentDateTime.date();
 415 }
 416
 417
 418 void Engine::updateRoomInfo()
 419 {
 420         qDebug() << "ENGINE::: updateMeetings";
 421         roomStatusInfoNeeded(iCurrentRoom);
 422 }
 423
 424 void Engine::configurationChanged()
 425 {
 426         iAutoRefresh->setInterval(Configuration::instance()->getRefreshinterval() * 1000);
 427 }