usbengines/usblocodplugin/src/usblcdactive.cpp
changeset 35 9d8b04ca6939
child 57 62e6d990246c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbengines/usblocodplugin/src/usblcdactive.cpp	Fri Jun 04 10:27:39 2010 +0100
@@ -0,0 +1,165 @@
+/*
+* Copyright (c) 2006 - 2010 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:  Active object class used to manage asynchronous request.
+*
+*/
+
+
+#include <e32property.h>
+#include "usblcdactive.h"
+#include <UsbWatcherInternalPSKeys.h>
+#include <usbpersonalityids.h>
+
+#ifdef __FLOG_ACTIVE
+_LIT8(KLogComponent, "USBLcdPlugin");
+#endif
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Constructs a CUsbLcdActive object.
+// ---------------------------------------------------------------------------
+//
+CUsbLcdActive* CUsbLcdActive::NewL(MLocodBearerPluginObserver& aObserver)
+    {
+    LOG_STATIC_FUNC_ENTRY
+    CUsbLcdActive* self = new (ELeave) CUsbLcdActive(aObserver);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CUsbLcdActive::~CUsbLcdActive()
+    {
+    LOG_FUNC
+    Cancel();
+    iProperty.Close();
+    }
+
+
+// ---------------------------------------------------------------------------
+// From class CActive
+// ---------------------------------------------------------------------------
+//
+void CUsbLcdActive::DoCancel()
+    {
+    iProperty.Cancel();
+    }
+
+// ---------------------------------------------------------------------------
+// RunL() From class CActive
+// ---------------------------------------------------------------------------
+//
+   
+void CUsbLcdActive::RunL()
+    {
+    LOG_FUNC
+    TInt value;
+    
+    if( iStatus != KErrNone )
+       {
+       LOGTEXT2(_L8("CUsbLcdActive::RunL() error = %d"),iStatus.Int());
+       }
+    else
+       {
+
+        TInt ret = iProperty.Get( value );
+        LOGTEXT3(_L8("Personality: %d, ret: %d"), value, ret);  
+        iProperty.Subscribe(iStatus);
+        SetActive();
+        if (ret == KErrNone)
+            { 
+            HandleUsbPersonalityChange( value );
+            }    
+       }
+    }
+
+// ---------------------------------------------------------------------------
+// From class CActive
+// ---------------------------------------------------------------------------
+//
+    
+TInt CUsbLcdActive::RunError( TInt /*aError*/ )
+    {
+    LOG_FUNC
+    return KErrNone; 
+    }
+
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+//
+CUsbLcdActive::CUsbLcdActive(MLocodBearerPluginObserver& aObserver)
+    : CActive(EPriorityStandard), iObserver(aObserver)
+    {
+    LOG_FUNC
+    CActiveScheduler::Add( this );
+    }
+
+
+// ---------------------------------------------------------------------------
+// Method to perform second phase construction.
+// ---------------------------------------------------------------------------
+//
+void CUsbLcdActive::ConstructL()
+    {  
+    LOG_FUNC
+    User::LeaveIfError(iProperty.Attach(KPSUidUsbWatcher, KUsbWatcherSelectedPersonality));
+    Start();
+    }
+
+// ---------------------------------------------------------------------------
+// Start() function is called to initiate RProperty subscription
+// ---------------------------------------------------------------------------
+//
+void CUsbLcdActive::Start()
+    {     
+    LOG_FUNC
+    iProperty.Subscribe(iStatus);
+    SetActive();
+    // Check the starting state
+    TInt usbPersonalityId( KUsbWatcherSelectedPersonalityNone );
+    TInt ret = iProperty.Get( usbPersonalityId );
+    if ( ( ret == KErrNone ) && 
+        ( usbPersonalityId != KUsbWatcherSelectedPersonalityNone ) )
+        {
+        HandleUsbPersonalityChange( usbPersonalityId ); 
+        }
+    }
+     
+
+// ---------------------------------------------------------------------------
+// This function handles the USB active personality change, and notify LoCoD
+// framework whether PC Suite is active 
+// ---------------------------------------------------------------------------
+//
+void CUsbLcdActive::HandleUsbPersonalityChange( TInt aNewPersonalityId )
+    {
+    LOG_FUNC
+    LOGTEXT2( _L8( "aNewPersonalityId: %d"), aNewPersonalityId );
+    TBool isPcSuiteActive( EFalse );
+    if ( ( aNewPersonalityId == KUsbPersonalityIdPCSuite ) ||
+         ( aNewPersonalityId == KUsbPersonalityIdPCSuiteMTP ) )
+        {
+        isPcSuiteActive = ETrue;
+        }
+    iObserver.NotifyBearerStatus( ELocodBearerUSB, isPcSuiteActive );
+    }
+    
+//End of file