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
  36         initConfiguration();
  37         initDevice();
  38         initCommunication();
  39         initUserInterface();
  40
  41         //initialize idle time counter
  42         iIdleTimeCounter = new QTimer();
  43         iIdleTimeCounter->setSingleShot( true );
  44         // iIdleTimeCounter->setInterval( IDLE_TIME_MULTIPLIER * iConfiguration->displaySettings()->screensaver() );
  45         iIdleTimeCounter->setInterval( 10000 );
  46         iIdleTimeCounter->start();
  47
  48         // create application clock
  49         iClock = new Clock;
  50         connect( iClock, SIGNAL( tick( QDateTime ) ), this, SLOT( checkStatusOfAllRooms() ) );
  51         // connect( iClock, SIGNAL( tick( QDateTime ) ), iWindowManager, SLOT( distributeDateTimeInfo( QDateTime ) ) );
  52
  53         // Create auto refresh timer
  54         iAutoRefresh = new QTimer;
  55         iAutoRefresh->setInterval(iConfiguration->connectionSettings()->refreshInterval() * 1000);
  56         iAutoRefresh->start();
  57         connect( iAutoRefresh, SIGNAL( timeout() ), iAutoRefresh, SLOT( start() ) );
  58         connect( iAutoRefresh, SIGNAL( timeout() ), this, SLOT( fetchMeetings() ) );
  59
  60         if( iDevice->currentOperationMode() == DeviceManager::KioskMode )
  61         {
  62                 iWindowManager->setFullscreen();
  63         }
  64
  65         connectSignals();
  66
  67         QTimer::singleShot( 0, this, SLOT( fetchMeetings() ) );
  68
  69         // TODO: continue implementation
  70 }
  71
  72 Engine::~Engine()
  73 {
  74         qDebug() << "Engine::~Engine()";
  75         while ( !iMeetings.isEmpty() )
  76                 delete iMeetings.takeFirst();
  77
  78         if ( iIdleTimeCounter != 0 )
  79         {
  80                 iIdleTimeCounter->stop();
  81                 delete iIdleTimeCounter;
  82                 iIdleTimeCounter = 0;
  83         }
  84         QT_DELETE( iClock );
  85         QT_DELETE( iDevice );
  86
  87         QT_DELETE( iUIManager );
  88         QT_DELETE( iWindowManager );
  89 }
  90
  91 void Engine::closeApplication()
  92 {
  93         qDebug() << "Engine::closeApplication()";
  94         // closes application after 1 second
  95         QTimer::singleShot( 1000, QApplication::instance(), SLOT( quit() ));
  96 }
  97
  98 Room* Engine::defaultRoom()
  99 {
 100         qDebug() << "Engine::defaultRoom()";
 101         return iConfiguration->defaultRoom();
 102 }
 103
 104 void Engine::checkStatusOfAllRooms()
 105 {
 106 //      qDebug() << "Engine::checkStatusOfAllRooms()";
 107         // iterate trough on the rooms
 108         for (int i = 0; i < iConfiguration->rooms().count(); i++)
 109         {
 110                 // and check the status
 111                 roomStatusInfoNeeded(iConfiguration->rooms().at(i) );
 112         }
 113 }
 114
 115 int Engine::indexOfMeetingAt(Room *aRoom, QDateTime aAt)
 116 {
 117 //      qDebug() << "Engine::indexOfMeetingAt( Room *, QDateTime )";
 118         for ( int i = 0; i < iMeetings.count(); i++ )
 119         {
 120                 // exchange server ensures that there is only one meeting in a room at a specified time
 121                 if (aRoom->equals(iMeetings.at( i )->room() ) && iMeetings.at( i )->startsAt() <= aAt && iMeetings.at( i )->endsAt() >= aAt)
 122                 {
 123                         return i;
 124                 }
 125         }
 126         return -1;
 127 }
 128
 129 int Engine::indexOfMeetingAfter(Room *aRoom, QDateTime aAfter)
 130 {
 131 //      qDebug() << "Engine::indexOfMeetingAfter( Room *, QDateTime )";
 132         // seeks for the next meeting on the SAME DAY
 133         int min = -1;
 134         for (int i = 0; i < iMeetings.count(); i++)
 135         {
 136                 // if the meeting is in the same room, on the same day but after the specified time
 137                 if (aRoom->equals(iMeetings.at( i )->room() ) && iMeetings.at( i )->startsAt().date() == aAfter.date() && iMeetings.at( i )->startsAt() > aAfter)
 138                 {
 139                         // if there was not any meeting find yet or the previously found is a later one then the (i)th
 140                         if (min == -1 || iMeetings.at( min )->startsAt() > iMeetings.at( i )->startsAt() )
 141                         {
 142                                 min = i;
 143                         }
 144                 }
 145         }
 146         return min;
 147 }
 148
 149 void Engine::roomStatusInfoNeeded(Room *aRoom)
 150 {
 151 //      qDebug() << "Engine::roomStatusInfoNeeded( Room * )";
 152         if ( aRoom == 0 )
 153         {
 154                 return;
 155         }
 156
 157         int indexOfCurrentMeeting = indexOfMeetingAt(aRoom, iClock->datetime() );
 158         int indexOfNextMeeting = indexOfMeetingAfter(aRoom, iClock->datetime() );
 159
 160         // if there is no meeting, then status is Free; otherwise Busy
 161         Room::Status
 162                         status =
 163                                         (indexOfCurrentMeeting == -1 ) ? Room::FreeStatus : Room::BusyStatus;
 164         // if room is Busy, then check end time, otherwise...
 165         QTime until = (status == Room::BusyStatus ) ? iMeetings.at( indexOfCurrentMeeting )->endsAt().time() :
 166         // ...if there is meeting following on the same day then check end time, otherwise end is the of the working day
 167         ((indexOfNextMeeting != -1 ) ? iMeetings.at( indexOfNextMeeting )->startsAt().time() : Engine::endOfTheDay );
 168
 169         //currently works only for deafult room
 170 //      if( aRoom->equals( *(defaultRoom() ) ) )
 171 //              iWindowManager->roomStatusChanged( aRoom, status, until );
 172 }
 173
 174 void Engine::fetchMeetings()
 175 {
 176         Room *room = defaultRoom();
 177         qDebug() << "Engine::fetchMeetings for " << room->name();
 178         fetchMeetings(iClock->datetime(), iClock->datetime().addDays( 7), room);
 179 }
 180
 181 bool Engine::isMeetingInList( const QList<Meeting*> &aList, const Meeting *aMeeting )
 182 {
 183         qDebug()
 184                         << "Engine::isMeetingInList( const QList<Meeting*> &, const Meeting * )";
 185         for (int i = 0; i < aList.count(); i++)
 186         {
 187                 if (aMeeting->equals( *(aList.at(i))) )
 188                 {
 189                         return true;
 190                 }
 191         }
 192         return false;
 193 }
 194
 195 void Engine::meetingsFetched(const QList<Meeting*> &aMeetings)
 196 {
 197         qDebug() << "Engine::meetingsFetched( const QList<Meeting*> & )";
 198         // check if there is any new meeting in the list came from the server -> added
 199         for (int i = 0; i < aMeetings.count(); i++)
 200         {
 201                 // if the (i)th meeting is not in the local meeting list
 202                 if ( !isMeetingInList(iMeetings, aMeetings.at(i) ) )
 203                 {
 204                         // add to the local database =)
 205                         Meeting* m = new Meeting( *(aMeetings.at( i )) );
 206                         iMeetings.append(m);
 207                         // and signal the changes
 208                 }
 209         }
 210
 211         // check if there is any meeting NOT in the list came from the server -> deleted
 212         for (int i = 0; i < iMeetings.count(); i++)
 213         {
 214                 // if the (i)th meeting is in the local but NOT in the server's meeting list
 215                 if ( !isMeetingInList(aMeetings, iMeetings.at(i) ) )
 216                 {
 217                         Meeting* m = iMeetings.takeAt(i);
 218                         // signal the changes
 219                         // delete the meeting from the local list
 220                         delete m;
 221                 }
 222         }
 223
 224         // refresh room status info
 225         roomStatusInfoNeeded(defaultRoom() );
 226 }
 227
 228 void Engine::errorHandler( int aCode, const QString &aAddInfo )
 229 {
 230         if ( iWindowManager != 0 )
 231         {
 232                 iWindowManager->error( ErrorMapper::codeToString( aCode, aAddInfo ) );
 233         }
 234 }
 235
 236 void Engine::fetchMeetings( const QDateTime &aFrom, const QDateTime &aUntil, const Room *aIn )
 237 {
 238         qDebug()
 239                         << "Engine::fetchMeetings( const QDateTime &, const QDateTime &, const Room * )";
 240         iCommunication->fetchMeetings(aFrom, aUntil, *aIn);
 241 }
 242
 243 void Engine::fetchMeetingDetails(Meeting *aMeeting)
 244 {
 245         qDebug() << "[Engine::fetchMeetingDetails] <TODO : METHOD NOT IMPLEMENTED>";
 246         Meeting tempMeeting(aMeeting->primaryId(), aMeeting->room(), aMeeting->startsAt(), aMeeting->endsAt() );
 247         iCommunication->fetchMeetingDetails( tempMeeting );
 248 //      Meeting tempMeeting = aMeeting;
 249 //      iCommunication->fetchMeetingDetails( tempMeeting );
 250 }
 251
 252 void Engine::cancelFetchMeetingDetails()
 253 {
 254         iCommunication->cancelFetchMeetingDetails();
 255 }
 256
 257 void Engine::shownWeekChanged( QDate aFrom )
 258 {
 259         qDebug() << "[Engine::shownWeekChanged] <Invoked>";
 260         QDateTime from( aFrom );
 261         QDateTime to( aFrom.addDays( 7 ), QTime( 23, 59 ) );
 262         qDebug() << "[Engine::shownWeekChanged] <From " << aFrom.toString( "d.m. h:mm" ) << " to " << to.toString( "d.m. h:mm" ) << ">";
 263         iCommunication->fetchMeetings( from, to, *defaultRoom() );
 264 //      fetchMeetings( from, to, iWindowManager->weeklyView()->currentRoom() );
 265 }
 266
 267 void Engine::changeDeviceMode( bool aChange )
 268 {
 269         if ( aChange )
 270         {
 271                 connect( iDevice, SIGNAL( changingModeFailed() ), this, SLOT( changeModeFailed() ) );
 272                 iAutoRefresh->stop(); // Stop the meeting update
 273         }
 274         iDevice->changeMode( aChange );
 275 }
 276
 277 void Engine::changeModeFailed()
 278 {
 279         qDebug() << "Engine::progressBarCancelled()";
 280         iDevice->changeMode( false );
 281         iAutoRefresh->start(); //we start the metting updating
 282 }
 283
 284 void Engine::initUserInterface()
 285 {
 286         qDebug() << "[Engine::initUserInterface] <Invoked>";
 287
 288         // Initialize the window manager and connect what ever signals can be connected
 289         iWindowManager = new WindowManager;
 290         // Create the UIManager which internally handles most of the UI actions
 291         iUIManager = new UIManager( this, iWindowManager );
 292
 293         connect( iWindowManager, SIGNAL( eventDetected() ), this, SLOT( handleViewEvent() ) );
 294         connect( iWindowManager, SIGNAL( previousViewRestored() ), iUIManager, SLOT( previousViewRestored() ) );
 295         connect( iWindowManager, SIGNAL( dialogActivated() ), this, SLOT( dialogActivated() ) );
 296         connect( iWindowManager, SIGNAL( dialogDeactivated() ), this, SLOT( dialogDeactivated() ) );
 297
 298         // Show the UI
 299         iWindowManager->setWindowState( Qt::WindowMaximized );
 300         iWindowManager->show();
 301         iUIManager->showMainView();
 302
 303         qDebug() << "[Engine::initUserInterface] <Finished>";
 304 }
 305
 306 void Engine::handleViewEvent()
 307 {
 308         if ( iIdleTimeCounter != 0 )
 309         {
 310                 // Restart the idle time counter when view event is received
 311                 iIdleTimeCounter->stop();
 312                 iIdleTimeCounter->start();
 313         }
 314 }
 315
 316 void Engine::initConfiguration()
 317 {
 318         iConfiguration = Configuration::instance();
 319         if ( iConfiguration == 0 )
 320         {
 321                 QTimer::singleShot( 0, this, SLOT( closeApplication() ) );
 322         }
 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 }