--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/teleportui/hgteleportapp/src/hgteleportdevicestate.cpp	Mon Jan 18 20:10:36 2010 +0200
@@ -0,0 +1,274 @@
+/*
+ * ============================================================================
+ *  Name        : hgteleportdevicestate.cpp
+ *  Part of     : Hg Teleport
+ *  Description : Device state (touch mode, screen orientation) handler
+ *  Version     : %version: sa1spcx1#14 %
+ *
+ *  Copyright © 2008 Nokia.  All rights reserved.
+ *  This material, including documentation and any related computer
+ *  programs, is protected by copyright controlled by Nokia.  All
+ *  rights are reserved.  Copying, including reproducing, storing,
+ *  adapting or translating, any or all of this material requires the
+ *  prior written consent of Nokia.  This material also contains
+ *  confidential information which may not be disclosed to others
+ *  without the prior written consent of Nokia.
+ * ============================================================================
+ * Template version: 4.2
+ */
+
+#include "hgteleportdevicestate.h"
+#include <AknUtils.h>
+#include <hwrmdomainpskeys.h>
+
+#include "hgteleportapplogging.h"
+
+
+// -----------------------------------------------------------------------------
+// CHgTeleportDeviceState::NewL
+// -----------------------------------------------------------------------------
+//
+CHgTeleportDeviceState* CHgTeleportDeviceState::NewL()
+    {
+    CHgTeleportDeviceState* self = new ( ELeave ) CHgTeleportDeviceState;
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CHgTeleportDeviceState::CHgTeleportDeviceState
+// -----------------------------------------------------------------------------
+//
+CHgTeleportDeviceState::CHgTeleportDeviceState()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CHgTeleportDeviceState::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CHgTeleportDeviceState::ConstructL()
+    {
+    iFlipStatusObserver = new ( ELeave ) CHgPropertyListener(KPSUidHWRM,	
+		KHWRMFlipStatus, *this);
+    // check if touch is enabled or not
+    CheckTouchState();
+    // are we in portrait or landscape
+    CheckOrientation();
+    // checks the qwerty input mode.
+    CheckDeviceType();
+    }
+
+// -----------------------------------------------------------------------------
+// CHgTeleportDeviceState::~CHgTeleportDeviceState
+// -----------------------------------------------------------------------------
+//
+CHgTeleportDeviceState::~CHgTeleportDeviceState()
+    {
+    iObservers.Close();
+    delete iFlipStatusObserver;
+    }
+
+// --------------------------------------------------------------------------
+// CHgTeleportDeviceState::HandleResourceChange
+// --------------------------------------------------------------------------
+//
+void CHgTeleportDeviceState::HandleResourceChange( TInt aType )
+    {
+    HGLOG_CONTEXT( HandleResourceChange, HGLOG_LOCAL );
+    HGLOG2_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 )
+                {
+                HGLOG0( HGLOG_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 )
+                {
+                HGLOG0( HGLOG_INFO, "skin change" );
+                NotifyObservers( MHgDeviceStateObserver::ESkin );
+                }
+            --iResChangeActiveCount;
+            }
+        }
+        
+    HGLOG_OUT();
+    }
+
+// --------------------------------------------------------------------------
+// CHgTeleportDeviceState::PropertyChanged
+// --------------------------------------------------------------------------
+//
+void CHgTeleportDeviceState::PropertyChanged(TUid aCategory, TUint aKey)
+    {
+    HGLOG_CONTEXT( PropertyChanged, HGLOG_LOCAL );
+    HGLOG2_IN( "aKey = %d aNewValue = %d", aCategory, aKey );
+    CheckDeviceType();
+    HGLOG_OUT();
+    }
+
+// --------------------------------------------------------------------------
+// CHgTeleportDeviceState::CheckTouchState
+// --------------------------------------------------------------------------
+//
+void CHgTeleportDeviceState::CheckTouchState()
+    {
+    HGLOG_CONTEXT( CheckTouchState, HGLOG_LOCAL );
+    HGLOG_IN();
+
+    TTouchState oldValue = iTouchState;
+    iTouchState = AknLayoutUtils::PenEnabled() ? ETouchEnabled : ETouchDisabled;
+    if ( iTouchState != oldValue )
+        {
+        NotifyObservers( MHgDeviceStateObserver::ETouchState );
+        }
+
+    HGLOG1_OUT( "new value for iTouchState: %d", iTouchState );
+    }
+
+// --------------------------------------------------------------------------
+// CHgTeleportDeviceState::CheckOrientation
+// --------------------------------------------------------------------------
+//
+void CHgTeleportDeviceState::CheckOrientation()
+    {
+    HGLOG_CONTEXT( CheckOrientation, HGLOG_LOCAL );
+    HGLOG_IN();
+
+    TRect rect;
+    AknLayoutUtils::LayoutMetricsRect ( AknLayoutUtils::EScreen, rect );
+    TOrientation oldValue = iOrientation;
+    iOrientation = rect.Width() > rect.Height() ? ELandscape : EPortrait;
+    if ( iOrientation != oldValue )
+        {
+        NotifyObservers( MHgDeviceStateObserver::EOrientation );
+        }
+
+    HGLOG1_OUT( "new value for iOrientation: %d", iOrientation );
+    }
+
+// --------------------------------------------------------------------------
+// CHgTeleportDeviceState::DeviceType
+// --------------------------------------------------------------------------
+//
+void CHgTeleportDeviceState::CheckDeviceType()
+    {
+    HGLOG_CONTEXT( CheckQwerty, HGLOG_LOCAL );
+    HGLOG_IN();
+
+    TInt oldDeviceType = iDeviceType;
+    TInt value( 0 );
+    if( RProperty::Get( KPSUidHWRM, KHWRMFlipStatus, value ) == KErrNone )
+    	{
+    	iDeviceType = (value == EPSHWRMFlipOpen ? EHybrid : EFullTouch);
+    	}
+    
+    if( iDeviceType != oldDeviceType )
+        {
+        NotifyObservers( MHgDeviceStateObserver::EDeviceType);
+        }
+
+    HGLOG1_OUT( "new value for iDeviceType: %d", iDeviceType );
+    }
+
+// --------------------------------------------------------------------------
+// CHgTeleportDeviceState::TouchState
+// --------------------------------------------------------------------------
+//
+CHgTeleportDeviceState::TTouchState CHgTeleportDeviceState::TouchState() const
+    {
+    return iTouchState;
+    }
+
+// --------------------------------------------------------------------------
+// CHgTeleportDeviceState::Orientation
+// --------------------------------------------------------------------------
+//
+CHgTeleportDeviceState::TOrientation CHgTeleportDeviceState::Orientation() const
+    {
+    return iOrientation;
+    }
+
+// --------------------------------------------------------------------------
+// CHgTeleportDeviceState::Qwerty
+// --------------------------------------------------------------------------
+//
+CHgTeleportDeviceState::TDeviceType CHgTeleportDeviceState::DeviceType() const
+    {
+    return iDeviceType;
+    }
+
+// --------------------------------------------------------------------------
+// CHgTeleportDeviceState::ObserverIdentity
+// --------------------------------------------------------------------------
+//
+TBool CHgTeleportDeviceState::ObserverIdentity( const SObserver& aA,
+        const SObserver& aB )
+    {
+    return aA.iObserver == aB.iObserver;
+    }
+
+// --------------------------------------------------------------------------
+// CHgTeleportDeviceState::AddDeviceStateObserverL
+// --------------------------------------------------------------------------
+//
+void CHgTeleportDeviceState::AddObserverL( MHgDeviceStateObserver& aObserver,
+        TInt aMask )
+    {
+    iObservers.AppendL( SObserver( aMask, &aObserver ) );
+    }
+
+// --------------------------------------------------------------------------
+// CHgTeleportDeviceState::RemoveObserver
+// --------------------------------------------------------------------------
+//
+void CHgTeleportDeviceState::RemoveObserver( MHgDeviceStateObserver& aObserver )
+    {
+    for ( ; ; )
+        {
+        TInt pos = iObservers.Find( SObserver( MHgDeviceStateObserver::EAny,
+            &aObserver ), ObserverIdentity );
+        if ( pos >= 0 )
+            {
+            iObservers.Remove( pos );
+            }
+        else
+            {
+            break;
+            }
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CHgTeleportDeviceState::NotifyObservers
+// --------------------------------------------------------------------------
+//
+void CHgTeleportDeviceState::NotifyObservers(
+        MHgDeviceStateObserver::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