Merged and got it partly working
[qtmeetings] / src / BusinessLogic / Engine.cpp
index 104bbdf..1a79851 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
 
-Engine::Engine() :
-       iClock( 0), iConfiguration(Configuration::instance() ), iCommunication( 0)
-{
-       qDebug() << "Engine::Engine()";
-       // if reading of configuration fails, signal that initialization failed
-       if (iConfiguration == 0)
-       {
-               QTimer::singleShot( 0, this, SLOT( closeApplication() ));
-               return;
+// Macro to help deleting objects. This could be global.
+#define QT_DELETE(X) \
+       if ( X != 0 ) \
+       { \
+               delete X; \
+               X = 0; \
        }
 
-       //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 ) ));
-
-       // 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& ) ));
 
+Engine::Engine() :
+               iClock( 0 ), iConfiguration( 0 ), iCommunication( 0 ),
+               iWindowManager( 0 ), iUIManager( 0 )
+{
+       qDebug() << "Engine::Engine()";
+       
+       initConfiguration();
+       initDevice();
+       initCommunication();
+       initUserInterface();
+       
        //initialize idle time counter
        iIdleTimeCounter = new QTimer();
-       iIdleTimeCounter->setSingleShot( true);
-       iIdleTimeCounter->setInterval(IDLE_TIME_MULTIPLIER
-                       * iConfiguration->displaySettings()->screensaver() );
+       iIdleTimeCounter->setSingleShot( true );
+       // 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 ) ), this, SLOT( checkStatusOfAllRooms() ) );
+       // 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();
+       connect( iAutoRefresh, SIGNAL( timeout() ), iAutoRefresh, SLOT( start() ) );
+       connect( iAutoRefresh, SIGNAL( timeout() ), this, SLOT( fetchMeetings() ) );
+       
+       if( iDevice->currentOperationMode() == DeviceManager::KioskMode )
+       {
+               iWindowManager->setFullscreen();
+       }
 
-       QTimer::singleShot( 0, this, SLOT( fetchMeetings() ));
+       connectSignals();
+       
+       QTimer::singleShot( 0, this, SLOT( fetchMeetings() ) );
 
        // TODO: continue implementation
 }
@@ -82,15 +74,18 @@ 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()
@@ -100,27 +95,6 @@ void Engine::closeApplication()
        QTimer::singleShot( 1000, QApplication::instance(), SLOT( quit() ));
 }
 
-void Engine::observedEventDetected()
-{
-       qDebug() << "Engine::observedEventDetected()";
-<<<<<<< HEAD:src/BusinessLogic/Engine.cpp
-       iWindowManager->refreshMeetings( iMeetings );
-=======
-       if ( !iIdleTimeCounter->isActive() )
-       {
-               iWindowManager->weeklyView()->showCurrentWeek();
-       }
-       iWindowManager->showWeeklyView();
->>>>>>> 56f763c68a2ff56d344ef150b7378ca417d08b36:src/BusinessLogic/Engine.cpp
-       // prepare to restart idle counter
-       if (iIdleTimeCounter->isActive() )
-       {
-               iIdleTimeCounter->stop();
-       }
-       // (re)start idle counter
-       iIdleTimeCounter->start();
-}
-
 Room* Engine::defaultRoom()
 {
        qDebug() << "Engine::defaultRoom()";
@@ -129,7 +103,7 @@ Room* Engine::defaultRoom()
 
 void Engine::checkStatusOfAllRooms()
 {
-       qDebug() << "Engine::checkStatusOfAllRooms()";
+//     qDebug() << "Engine::checkStatusOfAllRooms()";
        // iterate trough on the rooms
        for (int i = 0; i < iConfiguration->rooms().count(); i++)
        {
@@ -140,8 +114,8 @@ void Engine::checkStatusOfAllRooms()
 
 int Engine::indexOfMeetingAt(Room *aRoom, QDateTime aAt)
 {
-       qDebug() << "Engine::indexOfMeetingAt( Room *, QDateTime )";
-       for (int i = 0; i < iMeetings.count(); i++)
+//     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
                if (aRoom->equals(iMeetings.at( i )->room() ) && iMeetings.at( i )->startsAt() <= aAt && iMeetings.at( i )->endsAt() >= aAt)
@@ -154,7 +128,7 @@ int Engine::indexOfMeetingAt(Room *aRoom, QDateTime aAt)
 
 int Engine::indexOfMeetingAfter(Room *aRoom, QDateTime aAfter)
 {
-       qDebug() << "Engine::indexOfMeetingAfter( Room *, QDateTime )";
+//     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++)
@@ -174,8 +148,8 @@ int Engine::indexOfMeetingAfter(Room *aRoom, QDateTime aAfter)
 
 void Engine::roomStatusInfoNeeded(Room *aRoom)
 {
-       qDebug() << "Engine::roomStatusInfoNeeded( Room * )";
-       if (aRoom == 0)
+//     qDebug() << "Engine::roomStatusInfoNeeded( Room * )";
+       if ( aRoom == 0 )
        {
                return;
        }
@@ -193,8 +167,8 @@ 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()
@@ -204,31 +178,6 @@ void Engine::fetchMeetings()
        fetchMeetings(iClock->datetime(), iClock->datetime().addDays( 7), room);
 }
 
-void Engine::fetchMeetingDetails(Meeting *aMeeting)
-{
-       qDebug() << "Engine::fetchMeetingDetails( Meeting* )";
-       iWindowManager->showProgressBar(tr("Please Wait"), true);
-       iWindowManager->updateProgressBar(tr("Fetching Meeting Details...") );
-       connect(iWindowManager, 
-       SIGNAL( progressBarCancelled() ), this, 
-       SLOT( fetchMeetingDetailsCancelled() ));
-       iCommunication->fetchMeetingDetails( *aMeeting);
-}
-
-<<<<<<< HEAD:src/BusinessLogic/Engine.cpp
-void Engine::meetingsFetched( const QList<Meeting*> &aMeetings )
-{
-       qDebug() << "Engine::meetingsFetched( const QList<Meeting*> & )";
-       
-       for ( int i = 0; i < iMeetings.count(); ++i ) {
-               Meeting* m = iMeetings.takeAt( i );
-               delete m;
-       }
-       iMeetings.clear();
-       for ( int i = 0; i < aMeetings.count(); ++i ) {
-               Meeting* m = new Meeting( *(aMeetings.at( i )) );
-               iMeetings.append( m );
-=======
 bool Engine::isMeetingInList(const QList<Meeting*> &aList, const Meeting *aMeeting)
 {
        qDebug()
@@ -246,6 +195,7 @@ bool Engine::isMeetingInList(const QList<Meeting*> &aList, const Meeting *aMeeti
 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++)
        {
@@ -255,8 +205,6 @@ void Engine::meetingsFetched(const QList<Meeting*> &aMeetings)
                        // add to the local database =)
                        Meeting* m = new Meeting( *(aMeetings.at( i )) );
                        iMeetings.append(m);
-                       // and signal the changes
-                       iWindowManager->insertMeeting(m);
                }
        }
 
@@ -267,112 +215,176 @@ void Engine::meetingsFetched(const QList<Meeting*> &aMeetings)
                if ( !isMeetingInList(aMeetings, iMeetings.at(i) ) )
                {
                        Meeting* m = iMeetings.takeAt(i);
-                       // signal the changes
-                       iWindowManager->deleteMeeting(m);
                        // delete the meeting from the local list
                        delete m;
                }
->>>>>>> 56f763c68a2ff56d344ef150b7378ca417d08b36:src/BusinessLogic/Engine.cpp
        }
 
-       iWindowManager->refreshMeetings( iMeetings );
        // refresh room status info
        roomStatusInfoNeeded(defaultRoom() );
 }
 
-void Engine::meetingDetailsFetched(Meeting &aDetailedMeeting)
+void Engine::errorHandler( int aCode, const QString &aAddInfo )
+{      
+       if ( iWindowManager != 0 )
+       {
+               iWindowManager->error( ErrorMapper::codeToString( aCode, aAddInfo ) );
+       }
+}
+
+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::meetingDetailsFetched( Meeting & )";
-       iWindowManager->closeProgressBar();
-       iWindowManager->showMeetingInfo( &aDetailedMeeting);
+       qDebug() << "[Engine::fetchMeetingDetails] <TODO : METHOD NOT IMPLEMENTED>";
+       Meeting tempMeeting(aMeeting->primaryId(), aMeeting->room(), aMeeting->startsAt(), aMeeting->endsAt() );
+       iCommunication->fetchMeetingDetails( tempMeeting );
+//     Meeting tempMeeting = aMeeting;
+//     iCommunication->fetchMeetingDetails( tempMeeting );
 }
 
-void Engine::errorHandler(int aCode, const QString &aAddInfo)
+void Engine::cancelFetchMeetingDetails()
 {
-       qDebug() << "Engine::ErrorHandler, aCode: " << aCode;
-       // inform UI about the problem
-       if( aCode >= 100 && aCode <= 150 ) { //communication errors
-               //we don't want these to close operation changing
-               qDebug() << "CommunicationManager signaled an error:" << aCode;
-               iWindowManager->closeProgressBar();
+       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] <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::changeDeviceMode( bool aChange )
+{
+       if ( aChange )
+       {
+               connect( iDevice, SIGNAL( changingModeFailed() ), this, SLOT( changeModeFailed() ) );
+               iAutoRefresh->stop(); // Stop the meeting update
        }
-       iWindowManager->error(ErrorMapper::codeToString(aCode, aAddInfo) );
+       iDevice->changeMode( aChange );
 }
 
-void Engine::currentRoomChanged(Room *aCurrentRoom)
+void Engine::changeModeFailed()
 {
-       qDebug() << "Engine::currentRoomChanged to " << aCurrentRoom->name();
-       QDateTime from(iWindowManager->weeklyView()->beginnigOfShownWeek() );
-       QDateTime to(from.addDays( 8) );
-       fetchMeetings(from, to, aCurrentRoom);
+       qDebug() << "Engine::progressBarCancelled()";
+       iDevice->changeMode( false );
+       iAutoRefresh->start(); //we start the metting updating
 }
 
-void Engine::fetchMeetings(const QDateTime &aFrom, const QDateTime &aUntil, const Room *aIn)
+void Engine::initUserInterface()
 {
-       qDebug()
-                       << "Engine::fetchMeetings( const QDateTime &, const QDateTime &, const Room * )";
-       iCommunication->fetchMeetings(aFrom, aUntil, *aIn);
+       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 );
+       
+       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::connectSignals()
+{
+       // Connect engine objects signals to UIManager
+       connect( iClock, SIGNAL( tick( QDateTime ) ), iUIManager, SLOT( updateTime( QDateTime ) ) );
+       connect( iIdleTimeCounter, SIGNAL( timeout() ) , iUIManager, SLOT( roomStatusIndicatorRequested() ) );
+       
+       iUIManager->connectDeviceManager( iDevice );
+       iUIManager->connectCommunicationManager( iCommunication );
 }
 
-void Engine::shownWeekChanged(QDate aFrom)
+void Engine::initCommunication()
 {
-       qDebug() << "Engine::shownWeekChanged( QDate )";
-       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() );
+       // 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::changeModeOrdered(DeviceManager::OperationMode aMode)
+void Engine::initDevice()
 {
-       qDebug() << "Engine::changeModeOrdered( DeviceManager::OperationMode )";
-       QString message = tr( "You are about to change operation mode to %1." )
-       .arg(iDevice->operationModeToString(aMode) );
+       // create device manager
+       iDevice = new DeviceManager( iConfiguration->startupSettings() );
+       connect( iDevice, SIGNAL( error( int, const QString& ) ), this, SLOT( errorHandler( int, const QString& ) ) );  
+       iDevice->initDeviceManager();
+}
 
-       iWindowManager->showPasswordDialog(iConfiguration->adminPassword(), message);
+void Engine::dialogActivated()
+{
+       if ( iIdleTimeCounter != 0 )
+       {
+               iIdleTimeCounter->stop();
+       }
 }
 
-void Engine::passwordEntered(PasswordDialog::PasswordStatus aPasswordStatus)
+void Engine::dialogDeactivated()
 {
-       qDebug() << "Engine::passwordEntered( PasswordDialog::PasswordStatus )";
-       iWindowManager->closePasswordDialog();
+       if ( iIdleTimeCounter != 0 )
+       {
+               iIdleTimeCounter->start();
+       }
+}
 
-       switch (aPasswordStatus)
+void Engine::previousViewRestored()
+{
+       if ( iIdleTimeCounter != 0 )
        {
-               case PasswordDialog::Correct:
-               {
-                       iAutoRefresh->stop(); //we stop the metting updating
-                       iWindowManager->showProgressBar( "Changing current operation mode." );
-                       connect(iDevice, SIGNAL( changingMode( const QString & ) ), iWindowManager, SLOT( updateProgressBar( const QString & ) ));
-                       connect( iDevice, SIGNAL( changingMode( const QString & ) ),
-                                       iWindowManager, SLOT( updateProgressBar( const QString & ) ) );
-                       connect( iDevice, SIGNAL( changeModeFailed() ), this, SLOT( changeModeFailed() ) );
-                       iDevice->changeMode( true);
-                       break;
-               }
-               case PasswordDialog::Incorrect:
-               {
-                       iWindowManager->error(tr("Incorrect password.") );
-                       iDevice->changeMode( false);
-                       break;
-               }
-               default: //case PasswordDialog::Canceled
-               {
-                       iDevice->changeMode( false);
-               }
+               iIdleTimeCounter->start();
        }
 }
 
-void Engine::changeModeFailed()
+void Engine::stopIdleTimeCounter()
 {
-       qDebug() << "Engine::changeModeFailed()";
-       iWindowManager->closeProgressBar();
-       iAutoRefresh->start(); //we start the metting updating
+       if ( iIdleTimeCounter != 0 )
+       {
+               iIdleTimeCounter->stop();
+       }
 }
 
-void Engine::fetchMeetingDetailsCancelled()
+void Engine::startIdleTimeCounter()
 {
-       iCommunication->cancelFetchMeetingDetails();
-       iWindowManager->closeProgressBar();
+       if ( iIdleTimeCounter != 0 )
+       {
+               iIdleTimeCounter->start();
+       }
 }