UIManager and some functionality
[qtmeetings] / src / BusinessLogic / Engine.cpp
index 2f943a7..5245702 100644 (file)
@@ -1,60 +1,68 @@
 #include "Engine.h"
-
-#include <QTimer>
-#include <QList>
 #include "Room.h"
 #include "Meeting.h"
 #include "ConnectionSettings.h"
 #include "Configuration.h"
+#include "DisplaySettings.h"
 #include "CommunicationManager.h"
-#include "DeviceManager.h"
+// #include "DeviceManager.h"
 #include "Clock.h"
 #include "ErrorMapper.h"
+#include "UIManager.h"
 
+#include <QApplication>
+#include <QTimer>
+#include <QList>
 #include <QtDebug>
 
 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 ), iCurrentRoom( 0 )
+               iClock( 0 ), iConfiguration( 0 ), iCommunication( 0 )
 {
-       // if reading of configuration fails, signal that initialization failed
-       if ( iConfiguration == 0 )
-       {
-               QTimer::singleShot( 0, this, SIGNAL( initializationFailed() ) );
-               return;
-       }
-       // 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& ) )
-                       );
+       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->setInterval( 10000 );
+       iIdleTimeCounter->start();
 
        // create application clock
        iClock = new Clock;
        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() ) );
+       
+       if( iDevice->currentOperationMode() == DeviceManager::KioskMode )
+       {
+               iWindowManager->setFullscreen();
+       }
 
-       iDevice = new DeviceManager( iConfiguration->startupSettings() );
-       connect( iDevice, SIGNAL( error( int, const QString& ) ), this, SLOT( errorHandler( int, const QString& ) ) );
-       iDevice->initDeviceManager();
-
+       connectSignals();
+       
        QTimer::singleShot( 0, this, SLOT( fetchMeetings() ) );
 
        // TODO: continue implementation
@@ -62,32 +70,39 @@ Engine::Engine() :
 
 Engine::~Engine()
 {
+       qDebug() << "Engine::~Engine()";
        while ( !iMeetings.isEmpty() )
                delete iMeetings.takeFirst();
-}
+       
+       if ( iIdleTimeCounter != 0 )
+       {
+               iIdleTimeCounter->stop();
+               delete iIdleTimeCounter;
+               iIdleTimeCounter = 0;
+       }
+       QT_DELETE( iClock );
+       QT_DELETE( iDevice );
 
-Room* Engine::defaultRoom()
-{
-       return iConfiguration->defaultRoom();
+       QT_DELETE( iUIManager );
+       QT_DELETE( iWindowManager );
 }
 
-Clock* Engine::clock()
+void Engine::closeApplication()
 {
-       return iClock;
+       qDebug() << "Engine::closeApplication()";
+       // closes application after 1 second
+       QTimer::singleShot( 1000, QApplication::instance(), SLOT( quit() ) );
 }
 
-Configuration* Engine::configuration()
-{
-       return iConfiguration;
-}
-
-DeviceManager* Engine::deviceManager()
+Room* Engine::defaultRoom()
 {
-       return iDevice;
+       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++ )
        {
@@ -98,6 +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
@@ -113,6 +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++ )
@@ -135,6 +152,7 @@ int Engine::indexOfMeetingAfter( Room *aRoom, QDateTime aAfter )
 
 void Engine::roomStatusInfoNeeded( Room *aRoom )
 {
+//     qDebug() << "Engine::roomStatusInfoNeeded( Room * )";
        if ( aRoom == 0 )
        {
                return;
@@ -143,8 +161,6 @@ void Engine::roomStatusInfoNeeded( Room *aRoom )
        int indexOfCurrentMeeting = indexOfMeetingAt( aRoom, iClock->datetime() );
        int indexOfNextMeeting = indexOfMeetingAfter( aRoom, iClock->datetime() );
 
-//     qDebug() << QString( "Engine::roomStatusInfoNeeded\troom:%1current:%2 next:%3" ).arg( aRoom->toString() ).arg( indexOfCurrentMeeting ).arg( indexOfNextMeeting );
-
        // if there is no meeting, then status is Free; otherwise Busy
        Room::Status status = ( indexOfCurrentMeeting == -1 ) ? Room::FreeStatus : Room::BusyStatus;
        // if room is Busy, then check end time, otherwise...
@@ -152,30 +168,34 @@ void Engine::roomStatusInfoNeeded( Room *aRoom )
                          // ...if there is meeting following on the same day then check end time, otherwise end is the of the working day
                          (( indexOfNextMeeting != -1 ) ? iMeetings.at( indexOfNextMeeting )->startsAt().time() : Engine::endOfTheDay );
 
-       emit roomStatusChanged( aRoom, status, until );
+       //currently works only for deafult room
+//     if( aRoom->equals( *(defaultRoom() ) ) )
+//             iWindowManager->roomStatusChanged( aRoom, status, until );
 }
 
 void Engine::fetchMeetings()
 {
-       // TODO : define interval correctly. at the moment it's +/- 14 days
-       Room *room = iCurrentRoom;
-       if ( room == 0 ) room = defaultRoom();
+       Room *room = defaultRoom();
        qDebug() << "Engine::fetchMeetings for " << room->name();
-       fetchMeetings( iClock->datetime().addDays( -14 ), iClock->datetime().addDays( 14 ), room );
-}
-
-void Engine::fetchMeetings( const QDateTime &aFrom, const QDateTime &aUntil, Room *aIn )
-{
-       iCommunication->fetchMeetings( aFrom, aUntil, *aIn );
+       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 );
 }
 
 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 )) ) )
@@ -188,6 +208,7 @@ 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++ )
        {
@@ -198,7 +219,7 @@ void Engine::meetingsFetched( const QList<Meeting*> &aMeetings )
                        Meeting* m = new Meeting( *(aMeetings.at( i )) );
                        iMeetings.append( m );
                        // and signal the changes
-                       emit meetingAdded( m );
+//                     iWeeklyView->insertMeeting( m );
                }
        }
 
@@ -210,7 +231,7 @@ void Engine::meetingsFetched( const QList<Meeting*> &aMeetings )
                {
                        Meeting* m = iMeetings.takeAt( i );
                        // signal the changes
-                       emit meetingDeleted( m );
+//                     iWeeklyView->deleteMeeting( m );
                        // delete the meeting from the local list
                        delete m;
                }
@@ -220,22 +241,174 @@ void Engine::meetingsFetched( const QList<Meeting*> &aMeetings )
        roomStatusInfoNeeded( defaultRoom() );
 }
 
-void Engine::meetingDetailsFetched( Meeting &aDetailedMeeting )
-{
-       emit meetingDetailsFetched( &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 )
                qDebug() << "CommunicationManager signaled an error:" << aCode;
-       emit error( ErrorMapper::codeToString( aCode, aAddInfo ) );
+       // iWindowManager->closeProgressBar();
+       // 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::shownWeekChanged( QDate aFrom )
+{
+       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() );
+}
+
+void Engine::passwordEntered( PasswordDialog::PasswordStatus aPasswordStatus )
+{
+       qDebug() << "Engine::passwordEntered( PasswordDialog::PasswordStatus )";
+//     iWindowManager->closePasswordDialog();
+       
+       switch ( aPasswordStatus )
+       {
+               case PasswordDialog::Correct :
+               {
+                       connect( iDevice, SIGNAL( changingModeFailed() ), this, SLOT( progressBarCancelled() ) );
+                       iDevice->changeMode( true );
+                       break;
+               }
+               case PasswordDialog::Incorrect :
+               {
+//                     iWindowManager->error( tr( "Incorrect password." ) );
+                       iDevice->changeMode( false );
+                       break;
+               }
+               default : //case PasswordDialog::Canceled
+               {
+                       iDevice->changeMode( false );
+               }
+       }
+}
+
+void Engine::progressBarCancelled()
+{
+       qDebug() << "Engine::progressBarCancelled()";
+       iDevice->changeMode( false );
+}
+
+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 );
+       
+       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::currentRoomChanged( Room *aCurrentRoom )
+void Engine::handleViewEvent()
 {
-       iCurrentRoom = aCurrentRoom;
-       qDebug() << "Engine::currentRoomChanged to " << iCurrentRoom->name();
+       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::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 )
+       {
+               iIdleTimeCounter->stop();
+       }
+}
+
+void Engine::dialogDeactivated()
+{
+       if ( iIdleTimeCounter != 0 )
+       {
+               iIdleTimeCounter->start();
+       }
+}
+
+void Engine::previousViewRestored()
+{
+       if ( iIdleTimeCounter != 0 )
+       {
+               iIdleTimeCounter->start();
+       }
+}
+
+void Engine::fetchMeetingDetailsCancelled()
+{
+       iCommunication->cancelFetchMeetingDetails();
+//     iWindowManager->closeProgressBar();
+}
+
+void Engine::stopIdleTimeCounter()
+{
+       if ( iIdleTimeCounter != 0 )
+       {
+               iIdleTimeCounter->stop();
+       }
+}
+
+void Engine::startIdleTimeCounter()
+{
+       if ( iIdleTimeCounter != 0 )
+       {
+               iIdleTimeCounter->start();
+       }
 }