--- /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