--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmappcomponents/harvester/server/src/mpxconnectioneventhandler.cpp	Thu May 27 13:19:19 2010 +0300
@@ -0,0 +1,315 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Monitors for USB events
+*
+*/
+
+
+#include <e32base.h>
+#include <f32file.h>
+#include <e32property.h>
+#ifdef RD_MULTIPLE_DRIVE
+#include <driveinfo.h>
+#endif //RD_MULTIPLE_DRIVE
+#include <mpxpskeywatcher.h>
+#include <coreapplicationuisdomainpskeys.h>
+#include <UsbWatcherInternalPSKeys.h>
+#include <usbpersonalityids.h>
+#include <mtpprivatepskeys.h>
+#include <mpxlog.h>
+#include "mpxconnectioneventhandler.h"
+
+// CONSTANTS
+const TUint KUsbAllStates = 0xFFFFFFFF;
+
+// ---------------------------------------------------------------------------
+// Default Constructor
+// ---------------------------------------------------------------------------
+//
+CMPXConnectionEventHandler::CMPXConnectionEventHandler( MMPXSystemEventObserver& aObserver ) :
+                                          CActive( EPriorityStandard ),
+                                          iObserver( aObserver ),
+                                          iState ( EMPXConnectionNone ),
+                                          iUsbManConnected( EFalse )
+                                          
+                                          
+    {
+    CActiveScheduler::Add( this );
+    }
+
+
+// ---------------------------------------------------------------------------
+// 2nd Phase Constructor
+// ---------------------------------------------------------------------------
+//
+void CMPXConnectionEventHandler::ConstructL()
+    {
+    MPX_DEBUG1(_L("CMPXConnectionEventHandler::ConstructL <---"));
+    iUSBKeyWatcher = CMPXPSKeyWatcher::NewL( KPSUidUsbWatcher,
+                                            KUsbWatcherSelectedPersonality,
+                                            this );
+
+    //for checking MTP status key whether a client has started
+    iMTPKeyWatcher = CMPXPSKeyWatcher::NewL( KMtpPSUid, 
+                                             KMtpPSStatus,
+                                             this );
+
+    // Connect to usbman
+    ConnectUsbMan();
+    MPX_DEBUG1(_L("CMPXConnectionEventHandler::ConstructL --->"));
+    }
+
+
+// ---------------------------------------------------------------------------
+// Two Phased Constructor
+// ---------------------------------------------------------------------------
+//
+CMPXConnectionEventHandler* CMPXConnectionEventHandler::NewL
+                                        ( MMPXSystemEventObserver& aObserver )
+    {
+    CMPXConnectionEventHandler* self = CMPXConnectionEventHandler::NewLC( aObserver );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Two Phased Constructor
+// ---------------------------------------------------------------------------
+//
+CMPXConnectionEventHandler* CMPXConnectionEventHandler::NewLC
+                                        ( MMPXSystemEventObserver& aObserver )
+
+    {
+    CMPXConnectionEventHandler* self = new( ELeave ) CMPXConnectionEventHandler( aObserver);
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CMPXConnectionEventHandler::~CMPXConnectionEventHandler()
+    {
+    Cancel();
+    if ( iUsbManConnected )
+        {
+        iUsbMan.Close();
+        }
+    delete iUSBKeyWatcher;
+    delete iMTPKeyWatcher;
+    }
+
+// ---------------------------------------------------------------------------
+// Poll for any ongoing USB / MTP event
+// ---------------------------------------------------------------------------
+//
+void CMPXConnectionEventHandler::PollStatus()
+    {
+    // only call back on connection state != EMPXConnectionNone
+    if (iState == EMPXConnectionMassStorage)
+        {
+        TRAP_IGNORE( DoMSStartEventL() );
+        }
+    else if (iState == EMPXConnectionMTPActive)
+        {
+        TRAP_IGNORE( DoMTPStartEventL() );
+        }
+    else if (iState == EMPXConnectionMTPIdle)
+        {
+        TRAP_IGNORE( DoMTPNotActiveEventL() );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// Handle the PS key event
+// ---------------------------------------------------------------------------
+//
+void CMPXConnectionEventHandler::HandlePSEvent( TUid aUid, TInt aKey )
+    {
+    TRAP_IGNORE( DoHandlePSEventL(aUid,aKey) );
+    }
+
+// ---------------------------------------------------------------------------
+// Handle the PS key event
+// ---------------------------------------------------------------------------
+//
+void CMPXConnectionEventHandler::DoHandlePSEventL( TUid /*aUid*/, TInt /*aKey*/ )
+    {
+    MPX_FUNC("CMPXConnectionEventHandler::DoHandlePSEvent()");
+    if ( !iUsbManConnected )
+        {
+        ConnectUsbMan();
+        }
+    
+    // Handle the Key event
+    TInt usbStatus;
+    iUSBKeyWatcher->GetValue( usbStatus );
+    
+    TInt mtpStatus;
+    iMTPKeyWatcher->GetValue(mtpStatus);
+    
+    MPX_DEBUG3("CMPXConnectionEventHandler::DoHandlePSEventL, usbStatus = %d, mtpStatus = %d", usbStatus, mtpStatus);
+    MPX_DEBUG2("CMPXConnectionEventHandler::DoHandlePSEventL, iState = %d", iState);
+    MPX_DEBUG4("CMPXConnectionEventHandler::DoHandlePSEventL, iDeviceState = %d, EUsbDeviceStateAddress(%d), EUsbDeviceStateConfigured(%d)", iDeviceState, EUsbDeviceStateAddress, EUsbDeviceStateConfigured);
+    
+    RDebug::Print(_L("tpoon: CMPXConnectionEventHandler::DoHandlePSEventL, usbStatus = %d, mtpStatus = %d"), usbStatus, mtpStatus);
+    RDebug::Print(_L("tpoon: CMPXConnectionEventHandler::DoHandlePSEventL, iState = %d"), iState);
+    RDebug::Print(_L("tpoon: CMPXConnectionEventHandler::DoHandlePSEventL, iDeviceState = %d, EUsbDeviceStateAddress(%d), EUsbDeviceStateConfigured(%d)"), iDeviceState, EUsbDeviceStateAddress, EUsbDeviceStateConfigured);
+    
+    // events from lower level is not causing multiple callback on the same type
+    // usb is really only connected if went through Address or Configured state
+    if( (usbStatus == KUsbPersonalityIdMS) && (iDeviceState == EUsbDeviceStateAddress || iDeviceState == EUsbDeviceStateConfigured))
+        {
+        if ((iState == EMPXConnectionMTPIdle) || (iState == EMPXConnectionMTPActive))
+            {
+            MPX_DEBUG1("CMPXConnectionEventHandler::DoHandlePSEvent - MTP End");
+            RDebug::Print(_L("tpoon: MTP End"));
+            iObserver.HandleSystemEventL( EUSBMTPEndEvent, -1 );
+            iState = EMPXConnectionNone;
+            }
+        
+        if (iState != EMPXConnectionMassStorage)
+            {
+            DoMSStartEventL();
+            }
+        }
+    else if (iState == EMPXConnectionMassStorage)
+        {
+        if (usbStatus != KUsbPersonalityIdMS)
+            {
+            MPX_DEBUG1("CMPXConnectionEventHandler::DoHandlePSEvent - USB MassStorage End");
+            RDebug::Print(_L("tpoon: MS End"));
+            iObserver.HandleSystemEventL( EUSBMassStorageEndEvent, -1 );
+            iState = EMPXConnectionNone;
+            }
+        }
+    
+    // after MassStorage End, it is possible that MTP is still connected
+    if (iState != EMPXConnectionMassStorage)
+        {
+        if ((mtpStatus == EMtpPSStatusUninitialized) && (iState != EMPXConnectionNone))
+            {
+            MPX_DEBUG1("CMPXConnectionEventHandler::DoHandlePSEvent - MTP End");
+            RDebug::Print(_L("tpoon: MTP End"));
+            iObserver.HandleSystemEventL( EUSBMTPEndEvent, -1 );
+            iState = EMPXConnectionNone;
+            }
+        else if ((mtpStatus == EMtpPSStatusActive) && (iState != EMPXConnectionMTPActive)
+                && ((usbStatus == KUsbPersonalityIdMTP) || (usbStatus == KUsbPersonalityIdPCSuiteMTP))) // only trigger MusicPlayer fully block and RAM Drive if USB MTP/PCSuiteMTP is connected
+            {
+            DoMTPStartEventL();
+            }
+        else if ((mtpStatus == EMtpPSStatusReadyToSync) && (iState != EMPXConnectionMTPIdle) && (iState != EMPXConnectionMTPActive))
+            {
+            DoMTPNotActiveEventL();
+            }
+        }
+    }
+
+void CMPXConnectionEventHandler::DoMSStartEventL()
+    {
+    MPX_DEBUG1("CMPXConnectionEventHandler::DoMSStartEventL - USB MassStorage Start");
+    RDebug::Print(_L("tpoon: MS Start"));
+    iObserver.HandleSystemEventL( EUSBMassStorageStartEvent, -1 );
+    iState = EMPXConnectionMassStorage;
+    }
+
+void CMPXConnectionEventHandler::DoMTPStartEventL()
+    {
+    MPX_DEBUG1("CMPXConnectionEventHandler::DoMTPStartEventL - MTP Start");
+    RDebug::Print(_L("tpoon: MTP Start"));
+    iObserver.HandleSystemEventL( EUSBMTPStartEvent, -1 );
+    iState = EMPXConnectionMTPActive;
+    }
+
+void CMPXConnectionEventHandler::DoMTPNotActiveEventL()
+    {
+    MPX_DEBUG1("CMPXConnectionEventHandler::DoMTPNotActiveEventL - MTP Not Active");
+    RDebug::Print(_L("tpoon: MTP Not Active"));
+    iObserver.HandleSystemEventL( EUSBMTPNotActiveEvent, -1 );
+    iState = EMPXConnectionMTPIdle;
+    }
+
+// ---------------------------------------------------------------------------
+// CMPXConnectionEventHandler::RunL
+// ---------------------------------------------------------------------------
+//
+void CMPXConnectionEventHandler::RunL()
+    {
+    MPX_FUNC("CMPXConnectionEventHandler::RunL()");
+    TInt status( iStatus.Int() );
+    
+    MPX_DEBUG2("CMPXConnectionEventHandler::RunL status=%d", status );
+    if ( status != KErrCancel && status != KErrServerTerminated )
+        {
+        iUsbMan.DeviceStateNotification( KUsbAllStates, iDeviceState, iStatus );
+        SetActive();
+        }
+    
+    if ( status == KErrNone )
+        {
+        MPX_DEBUG2("CMPXConnectionEventHandler::RunL - DeviceState = %d", iDeviceState);
+        HandlePSEvent( TUid::Uid(0), 0 );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CMPXConnectionEventHandler::DoCancel
+// ---------------------------------------------------------------------------
+//
+void CMPXConnectionEventHandler::DoCancel()
+    {
+    MPX_FUNC("CMPXConnectionEventHandler::DoCancel()");
+    if ( iUsbManConnected )
+        {
+        iUsbMan.DeviceStateNotificationCancel();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CMPXConnectionEventHandler::ConnectUsbMan
+// If error, default iDeviceState to EUsbDeviceStateConfigured so this would not
+// block usb event mode change.
+// ---------------------------------------------------------------------------
+void CMPXConnectionEventHandler::ConnectUsbMan()
+    {
+    MPX_FUNC("CMPXConnectionEventHandler::ConnectUsbMan()");
+    if ( iUsbMan.Connect() == KErrNone )
+        {
+        iUsbManConnected = ETrue;
+        // get device state
+        TInt err = iUsbMan.GetDeviceState( iDeviceState );
+        if ( err )
+            {
+            iDeviceState = EUsbDeviceStateUndefined;
+            }
+        
+        // start active object
+        if ( !IsActive() )
+            {
+            iUsbMan.DeviceStateNotification( KUsbAllStates, iDeviceState, iStatus );
+            SetActive();
+            }
+        }
+    else
+        {
+        iDeviceState = EUsbDeviceStateConfigured;
+        }
+    }
+// END OF FILE
+