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
  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 Engine::Engine() :
  22         iClock( 0), iConfiguration(Configuration::instance() ), iCommunication( 0)
  23 {
  24         qDebug() << "Engine::Engine()";
  25         // if reading of configuration fails, signal that initialization failed
  26         if (iConfiguration == 0)
  27         {
  28                 QTimer::singleShot( 0, this, SLOT( closeApplication() ));
  29                 return;
  30         }
  31
  32         //initialize window manager
  33         iWindowManager = new WindowManager( iConfiguration );
  34         connect(iWindowManager, SIGNAL( roomStatusInfoNeeded( Room * ) ), this, SLOT( roomStatusInfoNeeded( Room * ) ));
  35         connect(iWindowManager, SIGNAL( observedEventDetected() ), this, SLOT( observedEventDetected() ));
  36         connect(iWindowManager, SIGNAL( meetingActivated( Meeting * ) ), this, SLOT( fetchMeetingDetails( Meeting * ) ));
  37         connect(iWindowManager, SIGNAL( currentRoomChanged( Room * ) ), this, SLOT( currentRoomChanged( Room * ) ));
  38         connect(iWindowManager, SIGNAL( shownWeekChanged( QDate ) ), this, SLOT( shownWeekChanged( QDate ) ));
  39         connect(iWindowManager, SIGNAL( passwordEntered( PasswordDialog::PasswordStatus ) ), this, SLOT( passwordEntered( PasswordDialog::PasswordStatus ) ));
  40
  41         // initialize communication
  42         iCommunication = new CommunicationManager( *(iConfiguration->connectionSettings()) );
  43         connect(iCommunication, SIGNAL( error( int, CommunicationManager::CommunicationType ) ), this, SLOT( errorHandler( int ) ));
  44         connect(iCommunication, SIGNAL( meetingsFetched( const QList<Meeting*>& ) ), this, SLOT( meetingsFetched( const QList<Meeting*>& ) ));
  45         connect(iCommunication, SIGNAL( meetingDetailsFetched( Meeting& ) ), this, SLOT( meetingDetailsFetched( Meeting& ) ));
  46
  47         //initialize idle time counter
  48         iIdleTimeCounter = new QTimer();
  49         iIdleTimeCounter->setSingleShot( true);
  50         iIdleTimeCounter->setInterval(IDLE_TIME_MULTIPLIER
  51                         * iConfiguration->displaySettings()->screensaver() );
  52         iIdleTimeCounter->start();
  53         connect(iIdleTimeCounter, SIGNAL( timeout() ), iWindowManager, SLOT( showRoomStatus() ));
  54
  55         // create application clock
  56         iClock = new Clock;
  57         connect(iClock, SIGNAL( tick( QDateTime ) ), this, SLOT( checkStatusOfAllRooms() ));
  58         connect(iClock, SIGNAL( tick( QDateTime ) ), iWindowManager, SLOT( distributeDateTimeInfo( QDateTime ) ));
  59
  60         iAutoRefresh = new QTimer;
  61         iAutoRefresh->setInterval(iConfiguration->connectionSettings()->refreshInterval() * 1000);
  62         iAutoRefresh->start();
  63         connect(iAutoRefresh, SIGNAL( timeout() ), iAutoRefresh, SLOT( start() ));
  64         connect(iAutoRefresh, SIGNAL( timeout() ), this, SLOT( fetchMeetings() ));
  65
  66         // create device manager
  67         iDevice = new DeviceManager( iConfiguration->startupSettings() );
  68         connect(iDevice, SIGNAL( error( int, const QString& ) ), this, SLOT( errorHandler( int, const QString& ) ));
  69         connect(iDevice, SIGNAL( changeModeOrdered( DeviceManager::OperationMode ) ), this, SLOT( changeModeOrdered( DeviceManager::OperationMode ) ));
  70         iDevice->initDeviceManager();
  71
  72         if (iDevice->currentOperationMode() == DeviceManager::KioskMode)
  73                 iWindowManager->fullScreen();
  74
  75         QTimer::singleShot( 0, this, SLOT( fetchMeetings() ));
  76
  77         // TODO: continue implementation
  78 }
  79
  80 Engine::~Engine()
  81 {
  82         qDebug() << "Engine::~Engine()";
  83         while ( !iMeetings.isEmpty() )
  84                 delete iMeetings.takeFirst();
  85         iIdleTimeCounter->stop();
  86         delete iIdleTimeCounter;
  87         iIdleTimeCounter = 0;
  88         delete iWindowManager;
  89         iWindowManager = 0;
  90         delete iClock;
  91         iClock = 0;
  92         delete iDevice;
  93         iDevice = 0;
  94 }
  95
  96 void Engine::closeApplication()
  97 {
  98         qDebug() << "Engine::closeApplication()";
  99         // closes application after 1 second
 100         QTimer::singleShot( 1000, QApplication::instance(), SLOT( quit() ));
 101 }
 102
 103 void Engine::observedEventDetected()
 104 {
 105         qDebug() << "Engine::observedEventDetected()";
 106 <<<<<<< HEAD:src/BusinessLogic/Engine.cpp
 107         iWindowManager->refreshMeetings( iMeetings );
 108 =======
 109         if ( !iIdleTimeCounter->isActive() )
 110         {
 111                 iWindowManager->weeklyView()->showCurrentWeek();
 112         }
 113         iWindowManager->showWeeklyView();
 114 >>>>>>> 56f763c68a2ff56d344ef150b7378ca417d08b36:src/BusinessLogic/Engine.cpp
 115         // prepare to restart idle counter
 116         if (iIdleTimeCounter->isActive() )
 117         {
 118                 iIdleTimeCounter->stop();
 119         }
 120         // (re)start idle counter
 121         iIdleTimeCounter->start();
 122 }
 123
 124 Room* Engine::defaultRoom()
 125 {
 126         qDebug() << "Engine::defaultRoom()";
 127         return iConfiguration->defaultRoom();
 128 }
 129
 130 void Engine::checkStatusOfAllRooms()
 131 {
 132         qDebug() << "Engine::checkStatusOfAllRooms()";
 133         // iterate trough on the rooms
 134         for (int i = 0; i < iConfiguration->rooms().count(); i++)
 135         {
 136                 // and check the status
 137                 roomStatusInfoNeeded(iConfiguration->rooms().at(i) );
 138         }
 139 }
 140
 141 int Engine::indexOfMeetingAt(Room *aRoom, QDateTime aAt)
 142 {
 143         qDebug() << "Engine::indexOfMeetingAt( Room *, QDateTime )";
 144         for (int i = 0; i < iMeetings.count(); i++)
 145         {
 146                 // exchange server ensures that there is only one meeting in a room at a specified time
 147                 if (aRoom->equals(iMeetings.at( i )->room() ) && iMeetings.at( i )->startsAt() <= aAt && iMeetings.at( i )->endsAt() >= aAt)
 148                 {
 149                         return i;
 150                 }
 151         }
 152         return -1;
 153 }
 154
 155 int Engine::indexOfMeetingAfter(Room *aRoom, QDateTime aAfter)
 156 {
 157         qDebug() << "Engine::indexOfMeetingAfter( Room *, QDateTime )";
 158         // seeks for the next meeting on the SAME DAY
 159         int min = -1;
 160         for (int i = 0; i < iMeetings.count(); i++)
 161         {
 162                 // if the meeting is in the same room, on the same day but after the specified time
 163                 if (aRoom->equals(iMeetings.at( i )->room() ) && iMeetings.at( i )->startsAt().date() == aAfter.date() && iMeetings.at( i )->startsAt() > aAfter)
 164                 {
 165                         // if there was not any meeting find yet or the previously found is a later one then the (i)th
 166                         if (min == -1 || iMeetings.at( min )->startsAt() > iMeetings.at( i )->startsAt() )
 167                         {
 168                                 min = i;
 169                         }
 170                 }
 171         }
 172         return min;
 173 }
 174
 175 void Engine::roomStatusInfoNeeded(Room *aRoom)
 176 {
 177         qDebug() << "Engine::roomStatusInfoNeeded( Room * )";
 178         if (aRoom == 0)
 179         {
 180                 return;
 181         }
 182
 183         int indexOfCurrentMeeting = indexOfMeetingAt(aRoom, iClock->datetime() );
 184         int indexOfNextMeeting = indexOfMeetingAfter(aRoom, iClock->datetime() );
 185
 186         // if there is no meeting, then status is Free; otherwise Busy
 187         Room::Status
 188                         status =
 189                                         (indexOfCurrentMeeting == -1 ) ? Room::FreeStatus : Room::BusyStatus;
 190         // if room is Busy, then check end time, otherwise...
 191         QTime until = (status == Room::BusyStatus ) ? iMeetings.at( indexOfCurrentMeeting )->endsAt().time() :
 192         // ...if there is meeting following on the same day then check end time, otherwise end is the of the working day
 193         ((indexOfNextMeeting != -1 ) ? iMeetings.at( indexOfNextMeeting )->startsAt().time() : Engine::endOfTheDay );
 194
 195         //currently works only for deafult room
 196         if (aRoom->equals( *(defaultRoom() )) )
 197                 iWindowManager->roomStatusChanged(aRoom, status, until);
 198 }
 199
 200 void Engine::fetchMeetings()
 201 {
 202         Room *room = defaultRoom();
 203         qDebug() << "Engine::fetchMeetings for " << room->name();
 204         fetchMeetings(iClock->datetime(), iClock->datetime().addDays( 7), room);
 205 }
 206
 207 void Engine::fetchMeetingDetails(Meeting *aMeeting)
 208 {
 209         qDebug() << "Engine::fetchMeetingDetails( Meeting* )";
 210         iWindowManager->showProgressBar(tr("Please Wait"), true);
 211         iWindowManager->updateProgressBar(tr("Fetching Meeting Details...") );
 212         connect(iWindowManager,
 213         SIGNAL( progressBarCancelled() ), this,
 214         SLOT( fetchMeetingDetailsCancelled() ));
 215         iCommunication->fetchMeetingDetails( *aMeeting);
 216 }
 217
 218 <<<<<<< HEAD:src/BusinessLogic/Engine.cpp
 219 void Engine::meetingsFetched( const QList<Meeting*> &aMeetings )
 220 {
 221         qDebug() << "Engine::meetingsFetched( const QList<Meeting*> & )";
 222
 223         for ( int i = 0; i < iMeetings.count(); ++i ) {
 224                 Meeting* m = iMeetings.takeAt( i );
 225                 delete m;
 226         }
 227         iMeetings.clear();
 228         for ( int i = 0; i < aMeetings.count(); ++i ) {
 229                 Meeting* m = new Meeting( *(aMeetings.at( i )) );
 230                 iMeetings.append( m );
 231 =======
 232 bool Engine::isMeetingInList(const QList<Meeting*> &aList, const Meeting *aMeeting)
 233 {
 234         qDebug()
 235                         << "Engine::isMeetingInList( const QList<Meeting*> &, const Meeting * )";
 236         for (int i = 0; i < aList.count(); i++)
 237         {
 238                 if (aMeeting->equals( *(aList.at(i))) )
 239                 {
 240                         return true;
 241                 }
 242         }
 243         return false;
 244 }
 245
 246 void Engine::meetingsFetched(const QList<Meeting*> &aMeetings)
 247 {
 248         qDebug() << "Engine::meetingsFetched( const QList<Meeting*> & )";
 249         // check if there is any new meeting in the list came from the server -> added
 250         for (int i = 0; i < aMeetings.count(); i++)
 251         {
 252                 // if the (i)th meeting is not in the local meeting list
 253                 if ( !isMeetingInList(iMeetings, aMeetings.at(i) ) )
 254                 {
 255                         // add to the local database =)
 256                         Meeting* m = new Meeting( *(aMeetings.at( i )) );
 257                         iMeetings.append(m);
 258                         // and signal the changes
 259                         iWindowManager->insertMeeting(m);
 260                 }
 261         }
 262
 263         // check if there is any meeting NOT in the list came from the server -> deleted
 264         for (int i = 0; i < iMeetings.count(); i++)
 265         {
 266                 // if the (i)th meeting is in the local but NOT in the server's meeting list
 267                 if ( !isMeetingInList(aMeetings, iMeetings.at(i) ) )
 268                 {
 269                         Meeting* m = iMeetings.takeAt(i);
 270                         // signal the changes
 271                         iWindowManager->deleteMeeting(m);
 272                         // delete the meeting from the local list
 273                         delete m;
 274                 }
 275 >>>>>>> 56f763c68a2ff56d344ef150b7378ca417d08b36:src/BusinessLogic/Engine.cpp
 276         }
 277
 278         iWindowManager->refreshMeetings( iMeetings );
 279         // refresh room status info
 280         roomStatusInfoNeeded(defaultRoom() );
 281 }
 282
 283 void Engine::meetingDetailsFetched(Meeting &aDetailedMeeting)
 284 {
 285         qDebug() << "Engine::meetingDetailsFetched( Meeting & )";
 286         iWindowManager->closeProgressBar();
 287         iWindowManager->showMeetingInfo( &aDetailedMeeting);
 288 }
 289
 290 void Engine::errorHandler(int aCode, const QString &aAddInfo)
 291 {
 292         qDebug() << "Engine::ErrorHandler, aCode: " << aCode;
 293         // inform UI about the problem
 294         if( aCode >= 100 && aCode <= 150 ) { //communication errors
 295                 //we don't want these to close operation changing
 296                 qDebug() << "CommunicationManager signaled an error:" << aCode;
 297                 iWindowManager->closeProgressBar();
 298         }
 299         iWindowManager->error(ErrorMapper::codeToString(aCode, aAddInfo) );
 300 }
 301
 302 void Engine::currentRoomChanged(Room *aCurrentRoom)
 303 {
 304         qDebug() << "Engine::currentRoomChanged to " << aCurrentRoom->name();
 305         QDateTime from(iWindowManager->weeklyView()->beginnigOfShownWeek() );
 306         QDateTime to(from.addDays( 8) );
 307         fetchMeetings(from, to, aCurrentRoom);
 308 }
 309
 310 void Engine::fetchMeetings(const QDateTime &aFrom, const QDateTime &aUntil, const Room *aIn)
 311 {
 312         qDebug()
 313                         << "Engine::fetchMeetings( const QDateTime &, const QDateTime &, const Room * )";
 314         iCommunication->fetchMeetings(aFrom, aUntil, *aIn);
 315 }
 316
 317 void Engine::shownWeekChanged(QDate aFrom)
 318 {
 319         qDebug() << "Engine::shownWeekChanged( QDate )";
 320         QDateTime from(aFrom);
 321         QDateTime to(aFrom.addDays( 7), QTime( 23, 59) );
 322         qDebug() << "Engine::shownWeekChanged " << aFrom.toString("d.m. h:mm")
 323                         << " to " << to.toString("d.m. h:mm");
 324         fetchMeetings(from, to, iWindowManager->weeklyView()->currentRoom() );
 325 }
 326
 327 void Engine::changeModeOrdered(DeviceManager::OperationMode aMode)
 328 {
 329         qDebug() << "Engine::changeModeOrdered( DeviceManager::OperationMode )";
 330         QString message = tr( "You are about to change operation mode to %1." )
 331         .arg(iDevice->operationModeToString(aMode) );
 332
 333         iWindowManager->showPasswordDialog(iConfiguration->adminPassword(), message);
 334 }
 335
 336 void Engine::passwordEntered(PasswordDialog::PasswordStatus aPasswordStatus)
 337 {
 338         qDebug() << "Engine::passwordEntered( PasswordDialog::PasswordStatus )";
 339         iWindowManager->closePasswordDialog();
 340
 341         switch (aPasswordStatus)
 342         {
 343                 case PasswordDialog::Correct:
 344                 {
 345                         iAutoRefresh->stop(); //we stop the metting updating
 346                         iWindowManager->showProgressBar( "Changing current operation mode." );
 347                         connect(iDevice, SIGNAL( changingMode( const QString & ) ), iWindowManager, SLOT( updateProgressBar( const QString & ) ));
 348                         connect( iDevice, SIGNAL( changingMode( const QString & ) ),
 349                                         iWindowManager, SLOT( updateProgressBar( const QString & ) ) );
 350                         connect( iDevice, SIGNAL( changeModeFailed() ), this, SLOT( changeModeFailed() ) );
 351                         iDevice->changeMode( true);
 352                         break;
 353                 }
 354                 case PasswordDialog::Incorrect:
 355                 {
 356                         iWindowManager->error(tr("Incorrect password.") );
 357                         iDevice->changeMode( false);
 358                         break;
 359                 }
 360                 default: //case PasswordDialog::Canceled
 361                 {
 362                         iDevice->changeMode( false);
 363                 }
 364         }
 365 }
 366
 367 void Engine::changeModeFailed()
 368 {
 369         qDebug() << "Engine::changeModeFailed()";
 370         iWindowManager->closeProgressBar();
 371         iAutoRefresh->start(); //we start the metting updating
 372 }
 373
 374 void Engine::fetchMeetingDetailsCancelled()
 375 {
 376         iCommunication->cancelFetchMeetingDetails();
 377         iWindowManager->closeProgressBar();
 378 }