Still working
[qtmeetings] / src / BusinessLogic / Engine.cpp
index e529799..e4a527a 100644 (file)
@@ -5,10 +5,10 @@
 #include "Configuration.h"
 #include "DisplaySettings.h"
 #include "CommunicationManager.h"
-#include "DeviceManager.h"
+// #include "DeviceManager.h"
 #include "Clock.h"
 #include "ErrorMapper.h"
-#include "WeeklyViewWidget.h"
+#include "UIManager.h"
 
 #include <QApplication>
 #include <QTimer>
 QTime Engine::endOfTheDay = QTime( 23, 59, 0, 0 ); // end of the day is 11:59pm
 const int IDLE_TIME_MULTIPLIER = 60000; // Multiplies milliseconds to minutes
 
+// Macro to help deleting objects. This could be global.
+#define QT_DELETE(X) \
+       if ( X != 0 ) \
+       { \
+               delete X; \
+               X = 0; \
+       }
+
+
 Engine::Engine() :
-               iClock( 0 ), iConfiguration( Configuration::instance() ), iCommunication( 0 )
+               iClock( 0 ), iConfiguration( 0 ), iCommunication( 0 )
 {
-       // if reading of configuration fails, signal that initialization failed
-       if ( iConfiguration == 0 )
-       {
-               QTimer::singleShot( 0, this, SLOT( closeApplication() ) );
-               return;
-       }
-               
-       //initialize window manager
-       iWindowManager = new WindowManager( iConfiguration );
-       connect( iWindowManager, SIGNAL( roomStatusInfoNeeded( Room * ) ), this, SLOT( roomStatusInfoNeeded( Room * ) ) );
-       connect( iWindowManager, SIGNAL( observedEventDetected() ), this, SLOT( observedEventDetected() ) );
-       connect( iWindowManager, SIGNAL( meetingActivated( Meeting * ) ), this, SLOT( fetchMeetingDetails( Meeting * ) ) );
-       connect( iWindowManager, SIGNAL( currentRoomChanged( Room * ) ), this, SLOT( currentRoomChanged( Room * ) ) );
-       connect( iWindowManager, SIGNAL( shownWeekChanged( QDate ) ), this, SLOT( shownWeekChanged( QDate ) ) );
-       connect( iWindowManager, SIGNAL( passwordEntered( PasswordDialog::PasswordStatus ) ),
-                       this, SLOT( passwordEntered( PasswordDialog::PasswordStatus ) ) );
-       connect( iWindowManager, SIGNAL( progressBarCancelled() ), this, SLOT( progressBarCancelled() ) );
+       qDebug() << "Engine::Engine()";
+       
+       initConfiguration();
+       initDevice();
+       initCommunication();
+       initUserInterface();
        
-       // initialize communication
-       iCommunication = new CommunicationManager( *(iConfiguration->connectionSettings()) );
-       connect( iCommunication, SIGNAL( error( int, CommunicationManager::CommunicationType  ) ),
-                       this, SLOT( errorHandler( int ) ) );
-       connect( iCommunication, SIGNAL( meetingsFetched( const QList<Meeting*>& ) ),
-                       this, SLOT( meetingsFetched( const QList<Meeting*>& ) ) );
-       connect( iCommunication, SIGNAL( meetingDetailsFetched( Meeting& ) ),
-                       this, SLOT( meetingDetailsFetched( Meeting& ) ) );
-
        //initialize idle time counter
        iIdleTimeCounter = new QTimer();
        iIdleTimeCounter->setSingleShot( true );
-       iIdleTimeCounter->setInterval( IDLE_TIME_MULTIPLIER * iConfiguration->displaySettings()->screensaver() );
+       // iIdleTimeCounter->setInterval( IDLE_TIME_MULTIPLIER * iConfiguration->displaySettings()->screensaver() );
+       iIdleTimeCounter->setInterval( 10000 );
        iIdleTimeCounter->start();
-       connect( iIdleTimeCounter, SIGNAL( timeout() ), iWindowManager, SLOT( showRoomStatus() ) );
 
        // create application clock
        iClock = new Clock;
        connect( iClock, SIGNAL( tick( QDateTime ) ), this, SLOT( checkStatusOfAllRooms() ) );
-       connect( iClock, SIGNAL( tick( QDateTime ) ), iWindowManager, SLOT( distributeDateTimeInfo( QDateTime ) ) );
+       // connect( iClock, SIGNAL( tick( QDateTime ) ), iWindowManager, SLOT( distributeDateTimeInfo( QDateTime ) ) );
 
+       // Create auto refresh timer
        iAutoRefresh = new QTimer;
        iAutoRefresh->setInterval( iConfiguration->connectionSettings()->refreshInterval() * 1000 );
        iAutoRefresh->start();
        connect( iAutoRefresh, SIGNAL( timeout() ), iAutoRefresh, SLOT( start() ) );
        connect( iAutoRefresh, SIGNAL( timeout() ), this, SLOT( fetchMeetings() ) );
-
-       // create device manager
-       iDevice = new DeviceManager( iConfiguration->startupSettings() );
-       connect( iDevice, SIGNAL( error( int, const QString& ) ), this, SLOT( errorHandler( int, const QString& ) ) );  
-       connect( iDevice, SIGNAL( changeModeOrdered( DeviceManager::OperationMode ) ), 
-                       this, SLOT( changeModeOrdered( DeviceManager::OperationMode ) ) );
-       iDevice->initDeviceManager();
        
        if( iDevice->currentOperationMode() == DeviceManager::KioskMode )
-               iWindowManager->fullScreen();
+       {
+               iWindowManager->setFullscreen();
+       }
 
+       connectSignals();
+       
        QTimer::singleShot( 0, this, SLOT( fetchMeetings() ) );
 
        // TODO: continue implementation
@@ -83,17 +70,21 @@ Engine::Engine() :
 
 Engine::~Engine()
 {
+       qDebug() << "Engine::~Engine()";
        while ( !iMeetings.isEmpty() )
                delete iMeetings.takeFirst();
-       iIdleTimeCounter->stop();
-       delete iIdleTimeCounter;
-       iIdleTimeCounter = 0;
-       delete iWindowManager;
-       iWindowManager = 0;
-       delete iClock;
-       iClock = 0;
-       delete iDevice;
-       iDevice = 0;
+       
+       if ( iIdleTimeCounter != 0 )
+       {
+               iIdleTimeCounter->stop();
+               delete iIdleTimeCounter;
+               iIdleTimeCounter = 0;
+       }
+       QT_DELETE( iClock );
+       QT_DELETE( iDevice );
+
+       QT_DELETE( iUIManager );
+       QT_DELETE( iWindowManager );
 }
 
 void Engine::closeApplication()
@@ -103,25 +94,15 @@ void Engine::closeApplication()
        QTimer::singleShot( 1000, QApplication::instance(), SLOT( quit() ) );
 }
 
-void Engine::observedEventDetected()
-{
-       iWindowManager->showWeeklyView();
-       // prepare to restart idle counter
-       if ( iIdleTimeCounter->isActive() )
-       {
-               iIdleTimeCounter->stop();
-       }
-       // (re)start idle counter
-       iIdleTimeCounter->start();
-}
-
 Room* Engine::defaultRoom()
 {
+       qDebug() << "Engine::defaultRoom()";
        return iConfiguration->defaultRoom();
 }
 
 void Engine::checkStatusOfAllRooms()
 {
+//     qDebug() << "Engine::checkStatusOfAllRooms()";
        // iterate trough on the rooms
        for ( int i = 0; i < iConfiguration->rooms().count(); i++ )
        {
@@ -132,6 +113,7 @@ void Engine::checkStatusOfAllRooms()
 
 int Engine::indexOfMeetingAt( Room *aRoom, QDateTime aAt )
 {
+//     qDebug() << "Engine::indexOfMeetingAt( Room *, QDateTime )";
        for ( int i = 0; i < iMeetings.count(); i++ )
        {
                // exchange server ensures that there is only one meeting in a room at a specified time
@@ -147,6 +129,7 @@ int Engine::indexOfMeetingAt( Room *aRoom, QDateTime aAt )
 
 int Engine::indexOfMeetingAfter( Room *aRoom, QDateTime aAfter )
 {
+//     qDebug() << "Engine::indexOfMeetingAfter( Room *, QDateTime )";
        // seeks for the next meeting on the SAME DAY
        int min = -1;
        for ( int i = 0; i < iMeetings.count(); i++ )
@@ -169,6 +152,7 @@ int Engine::indexOfMeetingAfter( Room *aRoom, QDateTime aAfter )
 
 void Engine::roomStatusInfoNeeded( Room *aRoom )
 {
+//     qDebug() << "Engine::roomStatusInfoNeeded( Room * )";
        if ( aRoom == 0 )
        {
                return;
@@ -185,8 +169,8 @@ void Engine::roomStatusInfoNeeded( Room *aRoom )
                          (( indexOfNextMeeting != -1 ) ? iMeetings.at( indexOfNextMeeting )->startsAt().time() : Engine::endOfTheDay );
 
        //currently works only for deafult room
-       if( aRoom->equals( *(defaultRoom() ) ) )
-               iWindowManager->roomStatusChanged( aRoom, status, until );
+//     if( aRoom->equals( *(defaultRoom() ) ) )
+//             iWindowManager->roomStatusChanged( aRoom, status, until );
 }
 
 void Engine::fetchMeetings()
@@ -196,13 +180,9 @@ void Engine::fetchMeetings()
        fetchMeetings( iClock->datetime(), iClock->datetime().addDays( 7 ), room );
 }
 
-void Engine::fetchMeetingDetails( Meeting *aMeeting )
-{
-       iCommunication->fetchMeetingDetails( *aMeeting );
-}
-
 bool Engine::isMeetingInList( const QList<Meeting*> &aList, const Meeting *aMeeting )
 {
+       qDebug() << "Engine::isMeetingInList( const QList<Meeting*> &, const Meeting * )";
        for ( int i = 0; i < aList.count(); i++ )
        {
                if ( aMeeting->equals( *(aList.at( i )) ) )
@@ -215,6 +195,7 @@ bool Engine::isMeetingInList( const QList<Meeting*> &aList, const Meeting *aMeet
 
 void Engine::meetingsFetched( const QList<Meeting*> &aMeetings )
 {
+       qDebug() << "Engine::meetingsFetched( const QList<Meeting*> & )";
        // check if there is any new meeting in the list came from the server -> added
        for ( int i = 0; i < aMeetings.count(); i++ )
        {
@@ -225,7 +206,7 @@ void Engine::meetingsFetched( const QList<Meeting*> &aMeetings )
                        Meeting* m = new Meeting( *(aMeetings.at( i )) );
                        iMeetings.append( m );
                        // and signal the changes
-                       iWindowManager->insertMeeting( m );
+//                     iWeeklyView->insertMeeting( m );
                }
        }
 
@@ -237,7 +218,7 @@ void Engine::meetingsFetched( const QList<Meeting*> &aMeetings )
                {
                        Meeting* m = iMeetings.takeAt( i );
                        // signal the changes
-                       iWindowManager->deleteMeeting( m );
+//                     iWeeklyView->deleteMeeting( m );
                        // delete the meeting from the local list
                        delete m;
                }
@@ -247,78 +228,168 @@ void Engine::meetingsFetched( const QList<Meeting*> &aMeetings )
        roomStatusInfoNeeded( defaultRoom() );
 }
 
-void Engine::meetingDetailsFetched( Meeting &aDetailedMeeting )
-{
-       iWindowManager->showMeetingInfo( &aDetailedMeeting );
-}
-
 void Engine::errorHandler( int aCode, const QString &aAddInfo )
 {
        qDebug() << "Engine::ErrorHandler, aCode: " << aCode;
        // inform UI about the problem
-       if( aCode >= 100 && aCode <= 110 )
+       if( aCode >= 100 && aCode <= 150 ) { //communication errors
+               //we don't want these to close operation changing
                qDebug() << "CommunicationManager signaled an error:" << aCode;
+       }
+       
        iWindowManager->error( ErrorMapper::codeToString( aCode, aAddInfo ) );
 }
 
-void Engine::currentRoomChanged( Room *aCurrentRoom )
+void Engine::fetchMeetings( const QDateTime &aFrom, const QDateTime &aUntil, const Room *aIn )
+{
+       qDebug() << "Engine::fetchMeetings( const QDateTime &, const QDateTime &, const Room * )";
+       iCommunication->fetchMeetings( aFrom, aUntil, *aIn );
+}
+
+void Engine::fetchMeetingDetails(Meeting *aMeeting)
 {
-       qDebug() << "Engine::currentRoomChanged to " << aCurrentRoom->name();
-       QDateTime from( iWindowManager->weeklyView()->beginnigOfShownWeek() );
-       QDateTime to( from.addDays( 8 ) );
-       fetchMeetings( from, to, aCurrentRoom );
+       qDebug() << "[Engine::fetchMeetingDetails] <TODO : METHOD NOT IMPLEMENTED>";
+//     Meeting tempMeeting = aMeeting;
+//     iCommunication->fetchMeetingDetails( tempMeeting );
 }
 
-void Engine::fetchMeetings( const QDateTime &aFrom, const QDateTime &aUntil, const Room *aIn )
+void Engine::cancelFetchMeetingDetails()
 {
-       qDebug() << "Engine::fetchMeetings";
-       iCommunication->fetchMeetings( aFrom, aUntil, *aIn );
+       iCommunication->cancelFetchMeetingDetails();
 }
 
 void Engine::shownWeekChanged( QDate aFrom )
 {
+       qDebug() << "[Engine::shownWeekChanged] <Invoked>";
        QDateTime from( aFrom );
        QDateTime to( aFrom.addDays( 7 ), QTime( 23, 59 ) );
-       qDebug() << "Engine::shownWeekChanged " << aFrom.toString( "d.m. h:mm" ) << " to " << to.toString( "d.m. h:mm" );
-       fetchMeetings( from, to, iWindowManager->weeklyView()->currentRoom() );
+       qDebug() << "[Engine::shownWeekChanged] <From " << aFrom.toString( "d.m. h:mm" ) << " to " << to.toString( "d.m. h:mm" ) << ">";
+       iCommunication->fetchMeetings( from, to, *defaultRoom() );
+//     fetchMeetings( from, to, iWindowManager->weeklyView()->currentRoom() );
 }
 
-void Engine::changeModeOrdered( DeviceManager::OperationMode aMode )
+void Engine::changeDeviceMode( bool aChange )
 {
-       QString message = tr( "You are about to change operation mode to %1." )
-                               .arg( iDevice->operationModeToString( aMode ) );
+       if ( aChange )
+       {
+               connect( iDevice, SIGNAL( changingModeFailed() ), this, SLOT( changeModeFailed() ) );
+               iAutoRefresh->stop(); // Stop the meeting update
+       }
+       iDevice->changeMode( aChange );
+}
+
+void Engine::changeModeFailed()
+{
+       qDebug() << "Engine::progressBarCancelled()";
+       iDevice->changeMode( false );
+       iAutoRefresh->start(); //we start the metting updating
+}
+
+void Engine::initUserInterface()
+{
+       qDebug() << "[Engine::initUserInterface] <Invoked>";
+       
+       // Initialize the window manager and connect what ever signals can be connected
+       iWindowManager = new WindowManager;
+       // Create the UIManager which internally handles most of the UI actions
+       iUIManager = new UIManager( this, iWindowManager );
        
-       iWindowManager->showPasswordDialog( iConfiguration->adminPassword(), message );
+       connect( iWindowManager, SIGNAL( eventDetected() ), this, SLOT( handleViewEvent() ) );
+       connect( iWindowManager, SIGNAL( previousViewRestored() ), iUIManager, SLOT( previousViewRestored() ) );
+       connect( iWindowManager, SIGNAL( dialogActivated() ), this, SLOT( dialogActivated() ) );
+       connect( iWindowManager, SIGNAL( dialogDeactivated() ), this, SLOT( dialogDeactivated() ) );
+       
+       // Show the UI
+       iWindowManager->setWindowState( Qt::WindowMaximized );
+       iWindowManager->show();
+       iUIManager->showMainView();
+       
+       qDebug() << "[Engine::initUserInterface] <Finished>";
+}
+
+void Engine::handleViewEvent()
+{
+       if ( iIdleTimeCounter != 0 )
+       {
+               // Restart the idle time counter when view event is received
+               iIdleTimeCounter->stop();
+               iIdleTimeCounter->start();
+       }
+}
+
+void Engine::initConfiguration()
+{
+       iConfiguration = Configuration::instance();
+       if ( iConfiguration == 0 )
+       {
+               QTimer::singleShot( 0, this, SLOT( closeApplication() ) );
+       }
 }
 
-void Engine::passwordEntered( PasswordDialog::PasswordStatus aPasswordStatus )
+void Engine::connectSignals()
 {
-       qDebug() << "Engine::passwordEntered( PasswordDialog::PasswordStatus )";
-       iWindowManager->closePasswordDialog();
+       // Connect engine objects signals to UIManager
+       connect( iClock, SIGNAL( tick( QDateTime ) ), iUIManager, SLOT( updateTime( QDateTime ) ) );
+       connect( iIdleTimeCounter, SIGNAL( timeout() ) , iUIManager, SLOT( roomStatusIndicatorRequested() ) );
        
-       switch ( aPasswordStatus )
+       iUIManager->connectDeviceManager( iDevice );
+       iUIManager->connectCommunicationManager( iCommunication );
+}
+
+void Engine::initCommunication()
+{
+       // initialize communication
+       iCommunication = new CommunicationManager( *(iConfiguration->connectionSettings()) );
+       connect( iCommunication, SIGNAL( error( int, CommunicationManager::CommunicationType  ) ),
+                       this, SLOT( errorHandler( int ) ) );
+       connect( iCommunication, SIGNAL( meetingsFetched( const QList<Meeting*>& ) ),
+                       this, SLOT( meetingsFetched( const QList<Meeting*>& ) ) );
+}
+
+void Engine::initDevice()
+{
+       // create device manager
+       iDevice = new DeviceManager( iConfiguration->startupSettings() );
+       connect( iDevice, SIGNAL( error( int, const QString& ) ), this, SLOT( errorHandler( int, const QString& ) ) );  
+       iDevice->initDeviceManager();
+}
+
+void Engine::dialogActivated()
+{
+       if ( iIdleTimeCounter != 0 )
        {
-               case PasswordDialog::Correct :
-               {
-                       iWindowManager->showProgressBar( "Changing current operation mode." );
-                       break;
-               }
-               case PasswordDialog::Incorrect :
-               {
-                       iWindowManager->error( tr( "Incorrect password." ) );
-                       iDevice->handleKeyPresses( true );
-                       break;
-               }
-               default : //case PasswordDialog::Canceled
-               {
-                       iDevice->handleKeyPresses( true );
-               }
+               iIdleTimeCounter->stop();
        }
 }
 
-void Engine::progressBarCancelled()
+void Engine::dialogDeactivated()
 {
-       //TODO: cancel the on-going event
-       iWindowManager->closeProgressBar();
-       iDevice->handleKeyPresses( true );
+       if ( iIdleTimeCounter != 0 )
+       {
+               iIdleTimeCounter->start();
+       }
+}
+
+void Engine::previousViewRestored()
+{
+       if ( iIdleTimeCounter != 0 )
+       {
+               iIdleTimeCounter->start();
+       }
+}
+
+void Engine::stopIdleTimeCounter()
+{
+       if ( iIdleTimeCounter != 0 )
+       {
+               iIdleTimeCounter->stop();
+       }
+}
+
+void Engine::startIdleTimeCounter()
+{
+       if ( iIdleTimeCounter != 0 )
+       {
+               iIdleTimeCounter->start();
+       }
 }