--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/taskswitcherui/taskswitcherapp/src/tsdevicestate.cpp	Tue Jan 26 11:48:23 2010 +0200
@@ -0,0 +1,272 @@
+/*
+* 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:  Device state (touch mode, screen orientation) handler
+ *
+*/
+
+
+#include "tsdevicestate.h"
+#include "tsapplogging.h"
+
+#include <AknUtils.h>
+#include <hwrmdomainpskeys.h>
+
+// -----------------------------------------------------------------------------
+// CTsDeviceState::NewL
+// -----------------------------------------------------------------------------
+//
+CTsDeviceState* CTsDeviceState::NewL()
+    {
+    CTsDeviceState* self = new ( ELeave ) CTsDeviceState;
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CTsDeviceState::CTsDeviceState
+// -----------------------------------------------------------------------------
+//
+CTsDeviceState::CTsDeviceState()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CTsDeviceState::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CTsDeviceState::ConstructL()
+    {
+    iFlipStatusObserver = new ( ELeave ) CTsPropertyListener(KPSUidHWRM,	
+		KHWRMFlipStatus, *this);
+    // check if touch is enabled or not
+    CheckTouchState();
+    // are we in portrait or landscape
+    CheckOrientation();
+    // checks the qwerty input mode.
+    CheckDeviceType();
+    }
+
+// -----------------------------------------------------------------------------
+// CTsDeviceState::~CTsDeviceState
+// -----------------------------------------------------------------------------
+//
+CTsDeviceState::~CTsDeviceState()
+    {
+    iObservers.Close();
+    delete iFlipStatusObserver;
+    }
+
+// --------------------------------------------------------------------------
+// CTsDeviceState::HandleResourceChange
+// --------------------------------------------------------------------------
+//
+void CTsDeviceState::HandleResourceChange( TInt aType )
+    {
+    TSLOG_CONTEXT( HandleResourceChange, TSLOG_LOCAL );
+    TSLOG2_IN( "aType = %d (active count = %d)", aType, iResChangeActiveCount );
+
+    // increase function entrance count
+    ++iResChangeActiveCount;
+    // if we are still in a previous call then do nothing else
+    if ( iResChangeActiveCount == 1 )
+        {
+        // the active count may increase during execution of the body of the loop
+        // (if some observers have active scheduler waits, for example)
+        while ( iResChangeActiveCount > 0 )
+            {
+            if ( aType == KEikDynamicLayoutVariantSwitch )
+                {
+                TSLOG0( TSLOG_INFO, "dyn layout var switch" );
+                // This might be a screen orientation or touch-nontouch switch,
+                // so let's check the situation and notify observers if needed.
+                CheckTouchState();
+                CheckOrientation();
+                }
+            else if ( aType == KAknsMessageSkinChange )
+                {
+                TSLOG0( TSLOG_INFO, "skin change" );
+                NotifyObservers( MTsDeviceStateObserver::ESkin );
+                }
+            --iResChangeActiveCount;
+            }
+        }
+        
+    TSLOG_OUT();
+    }
+
+// --------------------------------------------------------------------------
+// CTsDeviceState::PropertyChanged
+// --------------------------------------------------------------------------
+//
+void CTsDeviceState::PropertyChanged(TUid aCategory, TUint aKey)
+    {
+    TSLOG_CONTEXT( PropertyChanged, TSLOG_LOCAL );
+    TSLOG2_IN( "aKey = %d aNewValue = %d", aCategory, aKey );
+    CheckDeviceType();
+    TSLOG_OUT();
+    }
+
+// --------------------------------------------------------------------------
+// CTsDeviceState::CheckTouchState
+// --------------------------------------------------------------------------
+//
+void CTsDeviceState::CheckTouchState()
+    {
+    TSLOG_CONTEXT( CheckTouchState, TSLOG_LOCAL );
+    TSLOG_IN();
+
+    TTouchState oldValue = iTouchState;
+    iTouchState = AknLayoutUtils::PenEnabled() ? ETouchEnabled : ETouchDisabled;
+    if ( iTouchState != oldValue )
+        {
+        NotifyObservers( MTsDeviceStateObserver::ETouchState );
+        }
+
+    TSLOG1_OUT( "new value for iTouchState: %d", iTouchState );
+    }
+
+// --------------------------------------------------------------------------
+// CTsDeviceState::CheckOrientation
+// --------------------------------------------------------------------------
+//
+void CTsDeviceState::CheckOrientation()
+    {
+    TSLOG_CONTEXT( CheckOrientation, TSLOG_LOCAL );
+    TSLOG_IN();
+
+    TRect rect;
+    AknLayoutUtils::LayoutMetricsRect ( AknLayoutUtils::EScreen, rect );
+    TOrientation oldValue = iOrientation;
+    iOrientation = rect.Width() > rect.Height() ? ELandscape : EPortrait;
+    if ( iOrientation != oldValue )
+        {
+        NotifyObservers( MTsDeviceStateObserver::EOrientation );
+        }
+
+    TSLOG1_OUT( "new value for iOrientation: %d", iOrientation );
+    }
+
+// --------------------------------------------------------------------------
+// CTsDeviceState::DeviceType
+// --------------------------------------------------------------------------
+//
+void CTsDeviceState::CheckDeviceType()
+    {
+    TSLOG_CONTEXT( CheckQwerty, TSLOG_LOCAL );
+    TSLOG_IN();
+
+    TInt oldDeviceType = iDeviceType;
+    TInt value( 0 );
+    if( RProperty::Get( KPSUidHWRM, KHWRMFlipStatus, value ) == KErrNone )
+    	{
+    	iDeviceType = (value == EPSHWRMFlipOpen ? EHybrid : EFullTouch);
+    	}
+    
+    if( iDeviceType != oldDeviceType )
+        {
+        NotifyObservers( MTsDeviceStateObserver::EDeviceType);
+        }
+
+    TSLOG1_OUT( "new value for iDeviceType: %d", iDeviceType );
+    }
+
+// --------------------------------------------------------------------------
+// CTsDeviceState::TouchState
+// --------------------------------------------------------------------------
+//
+CTsDeviceState::TTouchState CTsDeviceState::TouchState() const
+    {
+    return iTouchState;
+    }
+
+// --------------------------------------------------------------------------
+// CTsDeviceState::Orientation
+// --------------------------------------------------------------------------
+//
+CTsDeviceState::TOrientation CTsDeviceState::Orientation() const
+    {
+    return iOrientation;
+    }
+
+// --------------------------------------------------------------------------
+// CTsDeviceState::Qwerty
+// --------------------------------------------------------------------------
+//
+CTsDeviceState::TDeviceType CTsDeviceState::DeviceType() const
+    {
+    return iDeviceType;
+    }
+
+// --------------------------------------------------------------------------
+// CTsDeviceState::ObserverIdentity
+// --------------------------------------------------------------------------
+//
+TBool CTsDeviceState::ObserverIdentity( const SObserver& aA,
+        const SObserver& aB )
+    {
+    return aA.iObserver == aB.iObserver;
+    }
+
+// --------------------------------------------------------------------------
+// CTsDeviceState::AddDeviceStateObserverL
+// --------------------------------------------------------------------------
+//
+void CTsDeviceState::AddObserverL( MTsDeviceStateObserver& aObserver,
+        TInt aMask )
+    {
+    iObservers.AppendL( SObserver( aMask, &aObserver ) );
+    }
+
+// --------------------------------------------------------------------------
+// CTsDeviceState::RemoveObserver
+// --------------------------------------------------------------------------
+//
+void CTsDeviceState::RemoveObserver( MTsDeviceStateObserver& aObserver )
+    {
+    for ( ; ; )
+        {
+        TInt pos = iObservers.Find( SObserver( MTsDeviceStateObserver::EAny,
+            &aObserver ), ObserverIdentity );
+        if ( pos >= 0 )
+            {
+            iObservers.Remove( pos );
+            }
+        else
+            {
+            break;
+            }
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CTsDeviceState::NotifyObservers
+// --------------------------------------------------------------------------
+//
+void CTsDeviceState::NotifyObservers(
+        MTsDeviceStateObserver::TChangeType aType )
+    {
+    for ( TInt i = 0, ie = iObservers.Count(); i != ie; ++i )
+        {
+        const SObserver& obs( iObservers[i] );
+        if ( obs.iMask & aType )
+            {
+            obs.iObserver->HandleDeviceStateChanged( aType );
+            }
+        }
+    }
+
+
+// end of file