emailservices/emailserver/cmailhandlerplugin/src/fsmailledhandler.cpp
changeset 0 8466d47a6819
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailservices/emailserver/cmailhandlerplugin/src/fsmailledhandler.cpp	Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,200 @@
+/*
+* Copyright (c) 2007-2008 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:  Class to handle mail led turning on. Uses parts from previous
+*                Bridge implementation.
+*
+*/
+
+
+#include "emailtrace.h"
+#include <e32property.h>
+#include "EmailLedValues.h"
+#include "fsmailledhandler.h"
+#include "fsnotificationhandlertimer.h"
+
+
+// Timeout value for retrying to set the led property again
+static const TInt KLedRetryTimeout = 15*1000*1000;
+
+
+CFSMailLedHandler* CFSMailLedHandler::NewL(
+    MFSNotificationHandlerMgr& aOwner )
+    {
+    FUNC_LOG;
+    CFSMailLedHandler* self =
+        new (ELeave) CFSMailLedHandler( aOwner );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+CFSMailLedHandler::CFSMailLedHandler(
+    MFSNotificationHandlerMgr& aOwner ) :
+    CFSNotificationHandlerBase( aOwner ),
+    iState( EStarting ),
+    iRetryCount( 0 )
+    {
+    FUNC_LOG;
+    }
+
+void CFSMailLedHandler::ConstructL()
+    {
+    FUNC_LOG;
+    CFSNotificationHandlerBase::ConstructL();
+    
+    iTimer = CFSNotificationHandlerTimer::NewL( *this );
+    
+    // Now try and retrieve the property value
+    TimerCallBackL( KErrNone );
+    }
+
+CFSMailLedHandler::~CFSMailLedHandler()
+    {
+    FUNC_LOG;
+    delete iTimer;
+    iTimer = NULL;
+    }
+
+// ---------------------------------------------------------------------------
+// At startup this function will try up to KMaxLedRetry times
+// to open the LED property. If the property still fails to open, we will
+// assume that the LED is not supported by the hardware.
+// ---------------------------------------------------------------------------
+//
+void CFSMailLedHandler::TimerCallBackL( TInt aError )
+    {
+    FUNC_LOG;
+    // request complete handler
+    if ( aError == KErrNone )
+        {
+        switch ( iState )
+            {
+            case EStarting:
+                {
+                // Check if LED property exists. If not then this handler
+                // is not necessary.
+                RProperty property;
+
+                TInt ret = property.Attach( KPropertyUidEmailLedCategory,
+                                            KEmailLEDOnRequest );
+                if ( KErrNone != ret )
+                    {
+                    // Led Starting Attach Failed
+                    property.Close();
+                    
+                    // timer not needed any more
+                    delete iTimer;
+                    iTimer = NULL;
+                    
+                    ERROR_1( ret, "Attaching prop KPropertyUidEmailLedCategory failed: %d", ret )
+                    return;
+                    }
+
+                TInt val;
+                ret = property.Get( val );
+
+                if ( KErrNone != ret )
+                    {
+                    iRetryCount++;
+                    if ( iRetryCount > KMaxLedRetry )
+                        {
+                        // Done Retrying, assume Led not supported
+                        iState = ENotSupportLED;
+                        }
+                    else
+                        {
+                        //start a timer to wait 15 seconds
+                        iTimer->After( KLedRetryTimeout );
+                        }
+                    }
+                else 
+                    {
+                    // We are now ready to observe mail events
+                    SetObserving( ETrue );
+                    iState = ESupportLED;
+                    }
+                property.Close();
+                break;
+                }
+            case ESupportLED:
+            case ENotSupportLED:
+            default:
+                {
+                break;
+                }
+            }
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// HandleEvent is implemented also here because we need to check the
+// Home Screen status.
+// ---------------------------------------------------------------------------
+//
+void CFSMailLedHandler::HandleEventL(
+    TFSMailEvent aEvent,
+    TFSMailMsgId aMailbox,
+    TAny* aParam1,
+    TAny* aParam2,
+    TAny* aParam3 )
+    {
+    FUNC_LOG;
+    // Event is checked also in CFSNotificationHandlerBase::HandleEventL.
+    // Implementation could be improved so that there would be no need
+    // for doing it twice. Now it has must be done here as we don't want
+    // to check HS if this would not be a new mail. Also
+    // CFSNotificationHandlerBase::HandleEventL needs the check the event
+    // because CFSNotificationHandlerBase::HandleEventL is used in some
+    // cases alone. (without the kind of prechecking that this function
+    // does)
+    if ( aEvent == TFSEventNewMail )
+        {
+        CFSNotificationHandlerBase::HandleEventL( aEvent,
+                                                  aMailbox,
+                                                  aParam1,
+                                                  aParam2,
+                                                  aParam3 );        
+        }
+    }
+
+
+
+void CFSMailLedHandler::TurnNotificationOn()
+    {
+    FUNC_LOG;
+    RProperty property;
+
+    TInt ret = property.Attach( KPropertyUidEmailLedCategory, KEmailLEDOnRequest );
+
+    if ( KErrNone != ret )
+        {
+        // Led Attach Failed
+        property.Close();
+        return;
+        }
+
+    ret = property.Set( KSetEmailLedOn );
+    property.Close();
+    ERROR_1( ret, "TurnLedOn failed: %d", ret )
+    }
+
+void CFSMailLedHandler::TurnNotificationOff()
+    {
+    FUNC_LOG;
+    return;
+    }
+
+// End of file
+