git.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->start();
  46
  47         // create application clock
  48         iClock = new Clock;
  49         connect( iClock, SIGNAL( tick( QDateTime ) ), this, SLOT( checkStatusOfAllRooms() ) );
  50         // connect( iClock, SIGNAL( tick( QDateTime ) ), iWindowManager, SLOT( distributeDateTimeInfo( QDateTime ) ) );
  51
  52         // Create auto refresh timer
  53         iAutoRefresh = new QTimer;
  54         iAutoRefresh->setInterval(iConfiguration->connectionSettings()->refreshInterval() * 1000);
  55         iAutoRefresh->start();
  56         connect( iAutoRefresh, SIGNAL( timeout() ), iAutoRefresh, SLOT( start() ) );
  57         // connect( iAutoRefresh, SIGNAL( timeout() ), this, SLOT( fetchMeetings() ) );
  58
  59         if( iDevice->currentOperationMode() == DeviceManager::KioskMode )
  60         {
  61                 iWindowManager->setFullscreen();
  62         }
  63
  64         connectSignals();
  65
  66         // QTimer::singleShot( 0, this, SLOT( fetchMeetings() ) );
  67
  68         // TODO: continue implementation
  69 }
  70
  71 Engine::~Engine()
  72 {
  73         qDebug() << "Engine::~Engine()";
  74         while ( !iMeetings.isEmpty() )
  75                 delete iMeetings.takeFirst();
  76
  77         if ( iIdleTimeCounter != 0 )
  78         {
  79                 iIdleTimeCounter->stop();
  80                 delete iIdleTimeCounter;
  81                 iIdleTimeCounter = 0;
  82         }
  83         QT_DELETE( iClock );
  84         QT_DELETE( iDevice );
  85
  86         QT_DELETE( iUIManager );
  87         QT_DELETE( iWindowManager );
  88 }
  89
  90 void Engine::closeApplication()
  91 {
  92         qDebug() << "Engine::closeApplication()";
  93         // closes application after 1 second
  94         QTimer::singleShot( 1000, QApplication::instance(), SLOT( quit() ));
  95 }
  96
  97 Room* Engine::defaultRoom()
  98 {
  99         qDebug() << "Engine::defaultRoom()";
 100         return iConfiguration->defaultRoom();
 101 }
 102
 103 void Engine::checkStatusOfAllRooms()
 104 {
 105 //      qDebug() << "Engine::checkStatusOfAllRooms()";
 106         // iterate trough on the rooms
 107         for (int i = 0; i < iConfiguration->rooms().count(); i++)
 108         {
 109                 // and check the status
 110                 roomStatusInfoNeeded(iConfiguration->rooms().at(i) );
 111         }
 112 }
 113
 114 int Engine::indexOfMeetingAt(Room *aRoom, QDateTime aAt)
 115 {
 116 //      qDebug() << "Engine::indexOfMeetingAt( Room *, QDateTime )";
 117         for ( int i = 0; i < iMeetings.count(); i++ )
 118         {
 119                 // exchange server ensures that there is only one meeting in a room at a specified time
 120                 if (aRoom->equals(iMeetings.at( i )->room() ) && iMeetings.at( i )->startsAt() <= aAt && iMeetings.at( i )->endsAt() >= aAt)
 121                 {
 122                         return i;
 123                 }
 124         }
 125         return -1;
 126 }
 127
 128 int Engine::indexOfMeetingAfter(Room *aRoom, QDateTime aAfter)
 129 {
 130 //      qDebug() << "Engine::indexOfMeetingAfter( Room *, QDateTime )";
 131         // seeks for the next meeting on the SAME DAY
 132         int min = -1;
 133         for (int i = 0; i < iMeetings.count(); i++)
 134         {
 135                 // if the meeting is in the same room, on the same day but after the specified time
 136                 if (aRoom->equals(iMeetings.at( i )->room() ) && iMeetings.at( i )->startsAt().date() == aAfter.date() && iMeetings.at( i )->startsAt() > aAfter)
 137                 {
 138                         // if there was not any meeting find yet or the previously found is a later one then the (i)th
 139                         if (min == -1 || iMeetings.at( min )->startsAt() > iMeetings.at( i )->startsAt() )
 140                         {
 141                                 min = i;
 142                         }
 143                 }
 144         }
 145         return min;
 146 }
 147
 148 void Engine::roomStatusInfoNeeded(Room *aRoom)
 149 {
 150 //      qDebug() << "Engine::roomStatusInfoNeeded( Room * )";
 151         if ( aRoom == 0 )
 152         {
 153                 return;
 154         }
 155
 156         int indexOfCurrentMeeting = indexOfMeetingAt(aRoom, iClock->datetime() );
 157         int indexOfNextMeeting = indexOfMeetingAfter(aRoom, iClock->datetime() );
 158
 159         // if there is no meeting, then status is Free; otherwise Busy
 160         Room::Status status = (indexOfCurrentMeeting == -1 ) ? Room::FreeStatus : Room::BusyStatus;
 161         // if room is Busy, then check end time, otherwise...
 162         QTime until = (status == Room::BusyStatus ) ? iMeetings.at( indexOfCurrentMeeting )->endsAt().time() :
 163         // ...if there is meeting following on the same day then check end time, otherwise end is the of the working day
 164         ( ( indexOfNextMeeting != -1 ) ? iMeetings.at( indexOfNextMeeting )->startsAt().time() : Engine::endOfTheDay );
 165
 166         //currently works only for deafult room
 167         if ( aRoom->equals( *(iCurrentRoom) ) )
 168         {
 169                 emit roomStatusChanged( status, until );
 170         }
 171 }
 172
 173 void Engine::fetchMeetingDetails( Meeting *aMeeting )
 174 {
 175         qDebug() << "Engine::fetchMeetingDetails( Meeting* )";
 176         iCommunication->fetchMeetingDetails( *aMeeting );
 177 }
 178
 179 void Engine::meetingsFetched( const QList<Meeting*> &aMeetings )
 180 {
 181         qDebug() << "Engine::meetingsFetched( const QList<Meeting*> & )";
 182
 183         for ( int i = 0; i < iMeetings.count(); ++i ) {
 184                 Meeting* m = iMeetings.takeAt( i );
 185                 delete m;
 186         }
 187         iMeetings.clear();
 188         for ( int i = 0; i < aMeetings.count(); ++i ) {
 189                 Meeting* m = new Meeting( *( aMeetings.at( i ) ) );
 190                 iMeetings.append( m );
 191         }
 192
 193         // refresh room status info
 194         roomStatusInfoNeeded( iCurrentRoom /*defaultRoom()*/ );
 195 }
 196
 197 void Engine::errorHandler( int aCode, const QString &aAddInfo )
 198 {
 199         if ( iWindowManager != 0 )
 200         {
 201                 iWindowManager->error( ErrorMapper::codeToString( aCode, aAddInfo ) );
 202         }
 203 }
 204
 205 void Engine::fetchMeetings( const QDateTime &aFrom, const QDateTime &aUntil, const Room *aIn )
 206 {
 207         qDebug()
 208                         << "Engine::fetchMeetings( const QDateTime &, const QDateTime &, const Room * )";
 209         iCommunication->fetchMeetings(aFrom, aUntil, *aIn);
 210 }
 211
 212 void Engine::cancelFetchMeetingDetails()
 213 {
 214         iCommunication->cancelFetchMeetingDetails();
 215 }
 216
 217 void Engine::shownWeekChanged( QDate aFrom )
 218 {
 219         qDebug() << "[Engine::shownWeekChanged] <Invoked>";
 220         QDateTime from( aFrom );
 221         QDateTime to( aFrom.addDays( 7 ), QTime( 23, 59 ) );
 222         qDebug() << "[Engine::shownWeekChanged] <From " << aFrom.toString( "d.m. h:mm" ) << " to " << to.toString( "d.m. h:mm" ) << ">";
 223         iCommunication->fetchMeetings( from, to, *iCurrentRoom/*defaultRoom()*/ );
 224 }
 225
 226 void Engine::changeDeviceMode()
 227 {
 228         connect( iDevice, SIGNAL( changeModeFailed() ), this, SLOT( changeModeFailed() ) );
 229         iAutoRefresh->stop(); // Stop the meeting update
 230         iDevice->changeMode();
 231 }
 232
 233 void Engine::changeModeFailed()
 234 {
 235         qDebug() << "Engine::progressBarCancelled()";
 236         iAutoRefresh->start(); //we start the metting updating
 237 }
 238
 239 void Engine::initUserInterface()
 240 {
 241         qDebug() << "[Engine::initUserInterface] <Invoked>";
 242
 243         // Initialize the window manager and connect what ever signals can be connected
 244         iWindowManager = new WindowManager;
 245         // Create the UIManager which internally handles most of the UI actions
 246         iUIManager = new UIManager( this, iWindowManager );
 247
 248         connect( iWindowManager, SIGNAL( eventDetected() ), this, SLOT( handleViewEvent() ) );
 249         connect( iWindowManager, SIGNAL( previousViewRestored() ), iUIManager, SLOT( previousViewRestored() ) );
 250         connect( iWindowManager, SIGNAL( dialogActivated() ), this, SLOT( dialogActivated() ) );
 251         connect( iWindowManager, SIGNAL( dialogDeactivated() ), this, SLOT( dialogDeactivated() ) );
 252
 253         // Show the UI
 254         iWindowManager->setWindowState( Qt::WindowMaximized );
 255         iWindowManager->show();
 256         iUIManager->showMainView();
 257
 258         // This triggers the meeting fetching
 259         iUIManager->currentRoomChanged( this->iCurrentRoom );
 260
 261         qDebug() << "[Engine::initUserInterface] <Finished>";
 262 }
 263
 264 void Engine::handleViewEvent()
 265 {
 266         if ( iIdleTimeCounter != 0 && iIdleTimeCounter->isActive())
 267         {
 268                 // Restart the idle time counter when view event is received
 269                 iIdleTimeCounter->stop();
 270                 iIdleTimeCounter->start();
 271         }
 272 }
 273
 274 void Engine::initConfiguration()
 275 {
 276         iConfiguration = Configuration::instance();
 277         if ( iConfiguration == 0 )
 278         {
 279                 QTimer::singleShot( 0, this, SLOT( closeApplication() ) );
 280         }
 281         iCurrentRoom = iConfiguration->defaultRoom();
 282 }
 283
 284 void Engine::connectSignals()
 285 {
 286         // Connect engine objects signals to UIManager
 287         connect( iClock, SIGNAL( tick( QDateTime ) ), iUIManager, SLOT( updateTime( QDateTime ) ) );
 288         connect( iIdleTimeCounter, SIGNAL( timeout() ) , iUIManager, SLOT( roomStatusIndicatorRequested() ) );
 289
 290         iUIManager->connectDeviceManager( iDevice );
 291         iUIManager->connectCommunicationManager( iCommunication );
 292 }
 293
 294 void Engine::initCommunication()
 295 {
 296         // initialize communication
 297         iCommunication = new CommunicationManager( *(iConfiguration->connectionSettings()) );
 298         connect( iCommunication, SIGNAL( error( int, CommunicationManager::CommunicationType  ) ),
 299                         this, SLOT( errorHandler( int ) ) );
 300         connect( iCommunication, SIGNAL( meetingsFetched( const QList<Meeting*>& ) ),
 301                         this, SLOT( meetingsFetched( const QList<Meeting*>& ) ) );
 302 }
 303
 304 void Engine::initDevice()
 305 {
 306         // create device manager
 307         iDevice = new DeviceManager( iConfiguration->startupSettings() );
 308         connect( iDevice, SIGNAL( error( int, const QString& ) ), this, SLOT( errorHandler( int, const QString& ) ) );
 309         iDevice->initDeviceManager();
 310 }
 311
 312 void Engine::dialogActivated()
 313 {
 314         if ( iIdleTimeCounter != 0 )
 315         {
 316                 iIdleTimeCounter->stop();
 317         }
 318 }
 319
 320 void Engine::dialogDeactivated()
 321 {
 322         if ( iIdleTimeCounter != 0 )
 323         {
 324                 iIdleTimeCounter->start();
 325         }
 326 }
 327
 328 void Engine::previousViewRestored()
 329 {
 330         if ( iIdleTimeCounter != 0 )
 331         {
 332                 iIdleTimeCounter->start();
 333         }
 334 }
 335
 336 void Engine::stopIdleTimeCounter()
 337 {
 338         if ( iIdleTimeCounter != 0 )
 339         {
 340                 iIdleTimeCounter->stop();
 341         }
 342 }
 343
 344 void Engine::startIdleTimeCounter()
 345 {
 346         if ( iIdleTimeCounter != 0 )
 347         {
 348                 iIdleTimeCounter->start();
 349         }
 350 }
 351
 352 void Engine::currentRoomChanged(Room *aRoom)
 353 {
 354         qDebug() << "[Engine::currentRoomChanged] <invoked>";
 355         iCurrentRoom = aRoom;
 356         roomStatusInfoNeeded( iCurrentRoom );
 357 }