--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/resourcemgmt/hwrmfmtxwatcherplugin/src/hwrmfmtxaccobserver.cpp Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,210 @@
+/*
+* Copyright (c) 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: Accessory observer implementation for fmtx watcher plugin.
+*
+*/
+
+
+// INCLUDE FILES
+#include <accessoryservicesinternalpskeys.h>
+#include "hwrmfmtxaccobserver.h"
+#include "trace.h"
+
+// ============================ LOCAL FUNCTIONS ===============================
+// -----------------------------------------------------------------------------
+// AccessoryConnected()
+// -----------------------------------------------------------------------------
+//
+static TBool AccessoryConnected( TInt aWiredConnStatus )
+ {
+ TBool wiredConnected( ETrue );
+
+ if( aWiredConnStatus == EAccSrvcsWiredConnUninitialized ||
+ aWiredConnStatus == EAccSrvcsWiredConnDisconnected )
+ {
+ wiredConnected = EFalse;
+ }
+
+ return wiredConnected;
+ }
+
+// ============================ MEMBER FUNCTIONS ===============================
+// -----------------------------------------------------------------------------
+// CHWRMFmtxAccObserver::NewL()
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CHWRMFmtxAccObserver* CHWRMFmtxAccObserver::NewL( MHWRMFmtxConnObserverCallback& aCallback )
+ {
+ FUNC_LOG;
+
+ CHWRMFmtxAccObserver* self = new( ELeave ) CHWRMFmtxAccObserver( aCallback );
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CHWRMFmtxAccObserver::~CHWRMFmtxAccObserver()
+// -----------------------------------------------------------------------------
+//
+CHWRMFmtxAccObserver::~CHWRMFmtxAccObserver()
+ {
+ FUNC_LOG;
+ iProperty.Cancel();
+ Cancel();
+ iProperty.Close();
+ }
+
+// -----------------------------------------------------------------------------
+// CHWRMFmtxAccObserver::StartObservingL
+// -----------------------------------------------------------------------------
+//
+TBool CHWRMFmtxAccObserver::GetStatusL()
+ {
+ FUNC_LOG;
+
+ TInt wiredConnStatus( EAccSrvcsWiredConnUninitialized );
+ TInt err( iProperty.Get( KPSUidAccessoryServices,
+ KAccSrvcsWiredConnection,
+ wiredConnStatus ) );
+
+ LOG_IF_ERROR1( err, "CHWRMFmtxAccObserver::GetStatusL: err=%d", err );
+
+ User::LeaveIfError( err );
+
+ return AccessoryConnected( wiredConnStatus );
+ }
+
+// -----------------------------------------------------------------------------
+// CHWRMFmtxAccObserver::StartObservingL
+// -----------------------------------------------------------------------------
+//
+void CHWRMFmtxAccObserver::StartObservingL()
+ {
+ FUNC_LOG;
+
+ if( IsActive() )
+ {
+ ERROR_LOG( "CHWRMFmtxAccObserver::StartObservingL: already active" );
+ }
+ else
+ {
+ OrderAccessoryNotification();
+
+ iConnected = GetStatusL(); // only connection change will be notified
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CHWRMFmtxAccObserver::StopObserving
+// -----------------------------------------------------------------------------
+//
+void CHWRMFmtxAccObserver::StopObserving()
+ {
+ FUNC_LOG;
+
+ Cancel();
+ }
+
+// -----------------------------------------------------------------------------
+// CHWRMFmtxAccObserver::CHWRMFmtxAccObserver()
+// -----------------------------------------------------------------------------
+//
+CHWRMFmtxAccObserver::CHWRMFmtxAccObserver( MHWRMFmtxConnObserverCallback& aCallback ) :
+ CActive( EPriorityStandard ),
+ iCallback( aCallback )
+ {
+ FUNC_LOG;
+
+ CActiveScheduler::Add( this );
+ }
+
+// -----------------------------------------------------------------------------
+// CHWRMFmtxAccObserver::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CHWRMFmtxAccObserver::ConstructL()
+ {
+ FUNC_LOG;
+
+ // Connect to accessory server
+ TInt err = iProperty.Attach( KPSUidAccessoryServices, KAccSrvcsWiredConnection );
+
+ LOG_IF_ERROR1( err, "CHWRMFmtxAccObserver::ConstructL: RProperty::Attach err=%d", err );
+
+ User::LeaveIfError( err );
+ }
+
+// -----------------------------------------------------------------------------
+// CHWRMFmtxAccObserver::OrderAccessoryNotification()
+// -----------------------------------------------------------------------------
+//
+void CHWRMFmtxAccObserver::OrderAccessoryNotification()
+ {
+ FUNC_LOG;
+
+ iProperty.Subscribe( iStatus );
+ SetActive();
+ }
+
+// -----------------------------------------------------------------------------
+// CHWRMFmtxAccObserver::RunL()
+// -----------------------------------------------------------------------------
+//
+void CHWRMFmtxAccObserver::RunL()
+ {
+ FUNC_LOG;
+
+ TInt status( iStatus.Int() );
+
+ LOG_IF_ERROR1( status, "CHWRMFmtxAccObserver::RunL: error, status=%d", status );
+
+ // prevent looping due to immediate completion
+ if ( status != KErrCancel )
+ {
+ OrderAccessoryNotification();
+ }
+
+ TInt wiredConnStatus( EAccSrvcsWiredConnUninitialized );
+ TInt err = iProperty.Get( wiredConnStatus );
+ TBool connected( AccessoryConnected( wiredConnStatus ) );
+
+ INFO_LOG2( "CHWRMFmtxAccObserver::RunL: err=%d, wiredConnStatus=%d", err, wiredConnStatus );
+
+ if ( err == KErrNotFound || err == KErrNone )
+ {
+ INFO_LOG2( "CHWRMFmtxAccObserver::RunL: connected=%d, iConnected=%d", connected, iConnected );
+
+ if ( connected != iConnected )
+ {
+ iCallback.HandleConnectionChange( EFmtxWatcherObserverAccessory, connected );
+ iConnected = connected; // store the status to be used on next completion
+ }
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CHWRMFmtxAccObserver::DoCancel
+// ---------------------------------------------------------------------------
+//
+void CHWRMFmtxAccObserver::DoCancel()
+ {
+ FUNC_LOG;
+
+ iProperty.Cancel();
+ }
+
+// End of File