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 {
  33         qDebug() << "Engine::Engine()";
  34
  35         initConfiguration();
  36         initDevice();
  37         initCommunication();
  38         initUserInterface();
  39
  40         //initialize idle time counter
  41         iIdleTimeCounter = new QTimer();
  42         iIdleTimeCounter->setSingleShot( true );
  43         // iIdleTimeCounter->setInterval( IDLE_TIME_MULTIPLIER * iConfiguration->displaySettings()->screensaver() );
  44         iIdleTimeCounter->setInterval( 10000 );
  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
 161                         status =
 162                                         (indexOfCurrentMeeting == -1 ) ? Room::FreeStatus : Room::BusyStatus;
 163         // if room is Busy, then check end time, otherwise...
 164         QTime until = (status == Room::BusyStatus ) ? iMeetings.at( indexOfCurrentMeeting )->endsAt().time() :
 165         // ...if there is meeting following on the same day then check end time, otherwise end is the of the working day
 166         ((indexOfNextMeeting != -1 ) ? iMeetings.at( indexOfNextMeeting )->startsAt().time() : Engine::endOfTheDay );
 167
 168         //currently works only for deafult room
 169 //      if( aRoom->equals( *(defaultRoom() ) ) )
 170 //              iWindowManager->roomStatusChanged( aRoom, status, until );
 171 }
 172
 173 void Engine::fetchMeetings()
 174 {
 175         Room *room = defaultRoom();
 176         qDebug() << "Engine::fetchMeetings for " << room->name();
 177         fetchMeetings(iClock->datetime(), iClock->datetime().addDays( 7), room);
 178 }
 179
 180 bool Engine::isMeetingInList( const QList<Meeting*> &aList, const Meeting *aMeeting )
 181 {
 182         qDebug()
 183                         << "Engine::isMeetingInList( const QList<Meeting*> &, const Meeting * )";
 184         for (int i = 0; i < aList.count(); i++)
 185         {
 186                 if (aMeeting->equals( *(aList.at(i))) )
 187                 {
 188                         return true;
 189                 }
 190         }
 191         return false;
 192 }
 193
 194 void Engine::meetingsFetched(const QList<Meeting*> &aMeetings)
 195 {
 196         qDebug() << "Engine::meetingsFetched( const QList<Meeting*> & )";
 197         // check if there is any new meeting in the list came from the server -> added
 198         for (int i = 0; i < aMeetings.count(); i++)
 199         {
 200                 // if the (i)th meeting is not in the local meeting list
 201                 if ( !isMeetingInList(iMeetings, aMeetings.at(i) ) )
 202                 {
 203                         // add to the local database =)
 204                         Meeting* m = new Meeting( *(aMeetings.at( i )) );
 205                         iMeetings.append(m);
 206                         // and signal the changes
 207 //                      iWeeklyView->insertMeeting( m );
 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 //                      iWeeklyView->deleteMeeting( m );
 220                         // delete the meeting from the local list
 221                         delete m;
 222                 }
 223         }
 224
 225         // refresh room status info
 226         roomStatusInfoNeeded(defaultRoom() );
 227 }
 228
 229 void Engine::errorHandler( int aCode, const QString &aAddInfo )
 230 {
 231         iWindowManager->error( ErrorMapper::codeToString( aCode, aAddInfo ) );
 232 }
 233
 234 void Engine::fetchMeetings( const QDateTime &aFrom, const QDateTime &aUntil, const Room *aIn )
 235 {
 236         qDebug()
 237                         << "Engine::fetchMeetings( const QDateTime &, const QDateTime &, const Room * )";
 238         iCommunication->fetchMeetings(aFrom, aUntil, *aIn);
 239 }
 240
 241 void Engine::fetchMeetingDetails(Meeting *aMeeting)
 242 {
 243         qDebug() << "[Engine::fetchMeetingDetails] <TODO : METHOD NOT IMPLEMENTED>";
 244 //      Meeting tempMeeting = aMeeting;
 245 //      iCommunication->fetchMeetingDetails( tempMeeting );
 246 }
 247
 248 void Engine::cancelFetchMeetingDetails()
 249 {
 250         iCommunication->cancelFetchMeetingDetails();
 251 }
 252
 253 void Engine::shownWeekChanged( QDate aFrom )
 254 {
 255         qDebug() << "[Engine::shownWeekChanged] <Invoked>";
 256         QDateTime from( aFrom );
 257         QDateTime to( aFrom.addDays( 7 ), QTime( 23, 59 ) );
 258         qDebug() << "[Engine::shownWeekChanged] <From " << aFrom.toString( "d.m. h:mm" ) << " to " << to.toString( "d.m. h:mm" ) << ">";
 259         iCommunication->fetchMeetings( from, to, *defaultRoom() );
 260 //      fetchMeetings( from, to, iWindowManager->weeklyView()->currentRoom() );
 261 }
 262
 263 void Engine::changeDeviceMode( bool aChange )
 264 {
 265         if ( aChange )
 266         {
 267                 connect( iDevice, SIGNAL( changingModeFailed() ), this, SLOT( changeModeFailed() ) );
 268                 iAutoRefresh->stop(); // Stop the meeting update
 269         }
 270         iDevice->changeMode( aChange );
 271 }
 272
 273 void Engine::changeModeFailed()
 274 {
 275         qDebug() << "Engine::progressBarCancelled()";
 276         iDevice->changeMode( false );
 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         qDebug() << "[Engine::initUserInterface] <Finished>";
 300 }
 301
 302 void Engine::handleViewEvent()
 303 {
 304         if ( iIdleTimeCounter != 0 )
 305         {
 306                 // Restart the idle time counter when view event is received
 307                 iIdleTimeCounter->stop();
 308                 iIdleTimeCounter->start();
 309         }
 310 }
 311
 312 void Engine::initConfiguration()
 313 {
 314         iConfiguration = Configuration::instance();
 315         if ( iConfiguration == 0 )
 316         {
 317                 QTimer::singleShot( 0, this, SLOT( closeApplication() ) );
 318         }
 319 }
 320
 321 void Engine::connectSignals()
 322 {
 323         // Connect engine objects signals to UIManager
 324         connect( iClock, SIGNAL( tick( QDateTime ) ), iUIManager, SLOT( updateTime( QDateTime ) ) );
 325         connect( iIdleTimeCounter, SIGNAL( timeout() ) , iUIManager, SLOT( roomStatusIndicatorRequested() ) );
 326
 327         iUIManager->connectDeviceManager( iDevice );
 328         iUIManager->connectCommunicationManager( iCommunication );
 329 }
 330
 331 void Engine::initCommunication()
 332 {
 333         // initialize communication
 334         iCommunication = new CommunicationManager( *(iConfiguration->connectionSettings()) );
 335         connect( iCommunication, SIGNAL( error( int, CommunicationManager::CommunicationType  ) ),
 336                         this, SLOT( errorHandler( int ) ) );
 337         connect( iCommunication, SIGNAL( meetingsFetched( const QList<Meeting*>& ) ),
 338                         this, SLOT( meetingsFetched( const QList<Meeting*>& ) ) );
 339 }
 340
 341 void Engine::initDevice()
 342 {
 343         // create device manager
 344         iDevice = new DeviceManager( iConfiguration->startupSettings() );
 345         connect( iDevice, SIGNAL( error( int, const QString& ) ), this, SLOT( errorHandler( int, const QString& ) ) );
 346         iDevice->initDeviceManager();
 347 }
 348
 349 void Engine::dialogActivated()
 350 {
 351         if ( iIdleTimeCounter != 0 )
 352         {
 353                 iIdleTimeCounter->stop();
 354         }
 355 }
 356
 357 void Engine::dialogDeactivated()
 358 {
 359         if ( iIdleTimeCounter != 0 )
 360         {
 361                 iIdleTimeCounter->start();
 362         }
 363 }
 364
 365 void Engine::previousViewRestored()
 366 {
 367         if ( iIdleTimeCounter != 0 )
 368         {
 369                 iIdleTimeCounter->start();
 370         }
 371 }
 372
 373 void Engine::stopIdleTimeCounter()
 374 {
 375         if ( iIdleTimeCounter != 0 )
 376         {
 377                 iIdleTimeCounter->stop();
 378         }
 379 }
 380
 381 void Engine::startIdleTimeCounter()
 382 {
 383         if ( iIdleTimeCounter != 0 )
 384         {
 385                 iIdleTimeCounter->start();
 386         }
 387 }