--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/coreapplicationuis/powersaveutilities/bsutil/src/bsutil.cpp	Tue Feb 02 10:12:00 2010 +0200
@@ -0,0 +1,210 @@
+/*
+* Copyright (c) 2007 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:  Battery state utility component providing percentual information
+*                about battery capacity.
+*
+*/
+
+
+// INCLUDE FILES
+#include <e32svr.h>
+#include <centralrepository.h>
+#include <e32property.h>
+#include <hwrmpowerstatesdkpskeys.h>
+#include "bsutilprivatecrkeys.h"
+#include "bsutil.h"
+#include "trace.h"
+
+// CONSTANTS
+const TUint8 KMinBatteryCapacity = 0;       // 0 %
+const TUint8 KMaxBatteryCapacity = 100;     // 100 %
+const TUint8 KInitialBatteryCapacity = 100; // 100 %
+
+// ============================= LOCAL FUNCTIONS ===============================
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CBSUtil::CBSUtil
+// C++ constructor
+// -----------------------------------------------------------------------------
+//
+CBSUtil::CBSUtil() : 
+    iBatteryCapacity( KInitialBatteryCapacity )
+    {
+    FUNC_LOG
+    }
+
+// ---------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------
+//
+CBSUtil::~CBSUtil()
+    {
+    FUNC_LOG
+    }
+
+// -----------------------------------------------------------------------------
+// CHWRMVibra::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CBSUtil* CBSUtil::NewL()
+    {
+    FUNC_LOG
+    
+    CBSUtil* self = NewLC();
+    CleanupStack::Pop( self );
+
+    return self;
+    }
+   
+// -----------------------------------------------------------------------------
+// CBSUtil::NewLC
+// Two-phased constructor. Leaves instance to CleanupStack.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CBSUtil* CBSUtil::NewLC()
+    {
+    FUNC_LOG
+    
+    CBSUtil* self = new( ELeave ) CBSUtil();
+    CleanupStack::PushL( self );
+    self->ConstructL();
+
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CBSUtil::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CBSUtil::ConstructL()
+    {
+    FUNC_LOG
+    
+    TInt err( KErrNone );
+
+    // If reading of battery levels fails, use default levels.
+    TRAP( err, ReadBatteryLevelsL() );
+
+    if( err != KErrNone )
+        {
+        INFO_1( "CBSUtil::ConstructL - Reading battery levels err %d", err )
+        
+        const TUint8 defaultLevels[KBatteryLevelCount] =
+            {
+            0, 10, 20, 30, 40, 50, 70, 100
+            };
+        
+        for( TInt i = 0; i < KBatteryLevelCount; i++ )
+            {
+            iBattelyLevels[i] = defaultLevels[i];
+            }
+        }
+
+    // Update current battery level and capacity data
+    UpdateCapacity();
+    }
+    
+// -----------------------------------------------------------------------------
+// CBSUtil::ReadBatteryLevelsL
+// -----------------------------------------------------------------------------
+//
+void CBSUtil::ReadBatteryLevelsL()
+    {
+    FUNC_LOG
+
+    CRepository* repository;
+    
+    repository = CRepository::NewLC( KCRUidBSUtilConf );
+    
+    User::LeaveIfError(repository->Get(KBSUtilBatteryLevel0, 
+        iBattelyLevels[EBatteryLevelLevel0]));
+    User::LeaveIfError(repository->Get(KBSUtilBatteryLevel1,
+        iBattelyLevels[EBatteryLevelLevel1]));
+    User::LeaveIfError(repository->Get(KBSUtilBatteryLevel2, 
+        iBattelyLevels[EBatteryLevelLevel2]));
+    User::LeaveIfError(repository->Get(KBSUtilBatteryLevel3, 
+        iBattelyLevels[EBatteryLevelLevel3]));
+    User::LeaveIfError(repository->Get(KBSUtilBatteryLevel4, 
+        iBattelyLevels[EBatteryLevelLevel4]));
+    User::LeaveIfError(repository->Get(KBSUtilBatteryLevel5, 
+        iBattelyLevels[EBatteryLevelLevel5]));
+    User::LeaveIfError(repository->Get(KBSUtilBatteryLevel6, 
+        iBattelyLevels[EBatteryLevelLevel6]));
+    User::LeaveIfError(repository->Get(KBSUtilBatteryLevel7, 
+        iBattelyLevels[EBatteryLevelLevel7]));
+        
+    // Let's validate battery levels' configuration. I.e. check 
+    // that in valid  range and in increasing percentual order.
+    for( TInt i(0); i < KBatteryLevelCount; i++ )
+        {
+        if( ( i < (KBatteryLevelCount - 1) ) &&
+          ( iBattelyLevels[i] < KMinBatteryCapacity || 
+            iBattelyLevels[i] > KMaxBatteryCapacity || 
+            iBattelyLevels[i] > iBattelyLevels[i+1] ) )
+            {
+            User::Leave( KErrArgument );
+            }
+        else if( ( i > 0 ) &&
+            ( iBattelyLevels[i] < KMinBatteryCapacity || 
+              iBattelyLevels[i] > KMaxBatteryCapacity || 
+              iBattelyLevels[i-1] > iBattelyLevels[i] ) )
+            {
+            User::Leave( KErrArgument );
+            }
+        }
+    
+    CleanupStack::PopAndDestroy( repository );
+    }
+
+// -----------------------------------------------------------------------------
+// CBSUtil::UpdateCapacity
+//
+// -----------------------------------------------------------------------------
+// 
+TUint8 CBSUtil::UpdateCapacity()
+    {
+    FUNC_LOG
+    
+    TInt value( 0 );
+    TInt err( RProperty::Get( KPSUidHWRMPowerState, KHWRMBatteryLevel, value ) );
+    
+    INFO_2( "CBSUtil::UpdateCapacity - KHWRMBatteryLevel %d, err %d", value, err )
+    
+    if( err == KErrNone )
+        {
+        // Update battery level and capacity information
+        if( value >= EBatteryLevelLevel0 &&
+            value <= EBatteryLevelLevel7 )
+            {
+            iBatteryCapacity = iBattelyLevels[value];
+            }
+        }
+    
+    return iBatteryCapacity;
+    }
+
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+EXPORT_C TUint8 CBSUtil::GetBatteryCapacity()
+    {
+    FUNC_LOG
+    
+    return UpdateCapacity();
+    }
+    
+//  End of File