--- a/hsappkeyhandler/src/hsappkeyplugin.cpp	Wed Aug 18 10:39:24 2010 +0300
+++ b/hsappkeyhandler/src/hsappkeyplugin.cpp	Mon Sep 13 13:26:33 2010 +0300
@@ -12,186 +12,207 @@
 * Contributors:
 *
 * Description:  Main plugin class
- *
+*
 */
 
-
 #include <w32std.h>
 #include <eikenv.h>
 #include <apgtask.h>
 #include <apgcli.h>
 #include <e32property.h>
 #include <hb/hbcore/hbdevicedialogsymbian.h>
-#include <hb/hbcore/hbsymbianvariant.h> 
+#include <hb/hbcore/hbsymbianvariant.h>
 #include <tspropertydefs.h>
 #include <afactivitylauncher.h>
 #include <homescreendomainpskeys.h>
 #include "hsappkeyplugin.h"
 
-_LIT(KHsActivactionUri, "appto://20022F35?activityname=HsIdleView");
-_LIT(KAppLibActivactionUri, "appto://20022F35?activityname=AppLibMainView");
-_LIT(KTsPluginName, "com.nokia.taskswitcher.tsdevicedialogplugin/1.0");
+_LIT( KHsActivactionUri, "appto://20022F35?activityname=HsIdleView" );
+_LIT( KAppLibActivactionUri, "appto://20022F35?activityname=AppLibMainView" );
+_LIT( KTsPluginName, "com.nokia.taskswitcher.tsdevicedialogplugin/1.0" );
 
 
 // ======== MEMBER FUNCTIONS ========
 
 // ---------------------------------------------------------------------------
-// 
+//
 // ---------------------------------------------------------------------------
 //
 CHsAppKeyPlugin::CHsAppKeyPlugin()
-: iEikEnv( CEikonEnv::Static() )
-{
-}
+    : iEikEnv( CEikonEnv::Static() ) // codescanner::eikonenvstatic
+    {
+    }
 
 // ---------------------------------------------------------------------------
 // Two-phased constructor.
 // ---------------------------------------------------------------------------
 //
 CHsAppKeyPlugin* CHsAppKeyPlugin::NewL()
-{
-    CHsAppKeyPlugin* self = new (ELeave) CHsAppKeyPlugin;
+    {
+    CHsAppKeyPlugin* self = new ( ELeave ) CHsAppKeyPlugin;
     return self;
-}
-    
+    }
+
 // ---------------------------------------------------------------------------
 // C++ Destructor
 // ---------------------------------------------------------------------------
 //
 CHsAppKeyPlugin::~CHsAppKeyPlugin()
-{
-    delete mDialog;
-}
+    {
+    delete iDialog;
+    }
 
 // ---------------------------------------------------------------------------
 // From MHbDeviceDialogObserver
-// 
+//
 // ---------------------------------------------------------------------------
 //
-void CHsAppKeyPlugin::DataReceived(CHbSymbianVariantMap& /*aData*/)
-{
+void CHsAppKeyPlugin::DataReceived( CHbSymbianVariantMap& /*aData*/ )
+    {
     //no implementation required
-}
+    }
 
 // ---------------------------------------------------------------------------
 // From MHbDeviceDialogObserver
-// 
+//
 // ---------------------------------------------------------------------------
 //
-void CHsAppKeyPlugin::DeviceDialogClosed(TInt /*aCompletionCode*/)
-{
-    delete mDialog;
-    mDialog = 0;
-}
+void CHsAppKeyPlugin::DeviceDialogClosed( TInt /*aCompletionCode*/ )
+    {
+    delete iDialog;
+    iDialog = 0;
+    }
 
 // ---------------------------------------------------------------------------
 // From CSysapKeyHandlerPlugin
-// 
+//
 // ---------------------------------------------------------------------------
 //
-TKeyResponse CHsAppKeyPlugin::HandleKeyEventL(const TKeyEvent &aKeyEvent, 
-                                              TEventCode /*aType*/)
-{
-    TKeyResponse retVal(EKeyWasNotConsumed);
-    if (aKeyEvent.iCode == EKeyApplication0) {
-        if (iSecondEvent) {
-            if (aKeyEvent.iRepeats > 0)
-                HandleLongPressL();
-            else 
-                HandleShortPressL();
-            retVal = EKeyWasConsumed;
+TKeyResponse CHsAppKeyPlugin::HandleKeyEventL( const TKeyEvent& aKeyEvent,  
+                                               TEventCode /*aType*/ )
+    {
+    TKeyResponse retVal( EKeyWasNotConsumed );
+    if ( aKeyEvent.iCode == EKeyApplication0 )
+        {
+        if ( aKeyEvent.iRepeats > 0 )
+            {
+            HandleLongPressL();
+            }
+        else
+            {
+            HandleShortPressL();
+            }
+        retVal = EKeyWasConsumed;
         }
-        iSecondEvent = !iSecondEvent; 
+    return retVal;
     }
-    return retVal;
-}
 
 // ---------------------------------------------------------------------------
 // From CSysapKeyHandlerPlugin
-// 
+//
 // ---------------------------------------------------------------------------
 //
-void CHsAppKeyPlugin::ProvideKeyEventsL(RArray<TKeyEvent>& aKeyEventArray) 
-{
+void CHsAppKeyPlugin::ProvideKeyEventsL( RArray<TKeyEvent>& aKeyEventArray ) // codescanner::LFunctionCantLeave
+    {
     TKeyEvent key;
     key.iCode = EKeyApplication0;
     key.iScanCode = EStdKeyApplication0;
     key.iModifiers = 0;
     key.iRepeats = 0;
-    aKeyEventArray.Append(key);
-    
+    aKeyEventArray.Append( key );
+
     TKeyEvent longkey;
     longkey.iCode = EKeyApplication0;
     longkey.iScanCode = EStdKeyApplication0;
     longkey.iModifiers = 0;
     longkey.iRepeats = 1;
-    aKeyEventArray.Append(longkey);
-
-}
+    aKeyEventArray.Append( longkey );
+    }
 
 // ---------------------------------------------------------------------------
-// 
+//
 // ---------------------------------------------------------------------------
 //
 void CHsAppKeyPlugin::HandleShortPressL()
-{   
-    TInt value(0);
-    RProperty::Get(TsProperty::KCategory, TsProperty::KVisibilityKey, value);
-    if (value) {
+    {
+    TInt value( 0 );
+    RProperty::Get( TsProperty::KCategory, TsProperty::KVisibilityKey, value );
+    if ( value )
+        {
         // when Task Switcher dialog is visible, Appkey is used to dismiss it
-    
-        // @todo: remove notification through property when SharedDialog flag
-        // is implemented in Orbit.
-        if (!mDialog) {
-            // dismiss dialog launched from HomeScreen
-            User::LeaveIfError(RProperty::Set(TsProperty::KCategory, TsProperty::KDismissRequestKey, 1));
-        } else {
-            // dismiss dialog launched by this plugin
-            delete mDialog;
-            mDialog = 0;
+        DismissTaskSwitcher();
         }
-    } else {
+    else
+        {
         // when there is no Task Switcher dialog, Appkey is used to switch between Applib and HomeScreen
         RApaLsSession apaLsSession;
-        CleanupClosePushL(apaLsSession);
-        User::LeaveIfError(apaLsSession.Connect());
-        CAfActivityLauncher *activityEnabler = 
-            CAfActivityLauncher::NewLC(apaLsSession, 
-                                       iEikEnv->WsSession());
-        TInt state(0);
-        RProperty::Get(KHsCategoryUid, KHsCategoryStateKey, state);
-        if (state == EHomeScreenIdleState) {
-            activityEnabler->launchActivityL(KAppLibActivactionUri);
-        } else {
-            activityEnabler->launchActivityL(KHsActivactionUri);
-        }    
-        CleanupStack::PopAndDestroy(activityEnabler);
-        CleanupStack::PopAndDestroy(&apaLsSession);
+        CleanupClosePushL( apaLsSession );
+        User::LeaveIfError( apaLsSession.Connect() );
+        CAfActivityLauncher* activityEnabler =
+            CAfActivityLauncher::NewLC( apaLsSession,
+                                        iEikEnv->WsSession() );
+        TInt state( 0 );
+        RProperty::Get( KHsCategoryUid, KHsCategoryStateKey, state );
+        if ( state == EHomeScreenWidgetViewForeground )
+            {
+            activityEnabler->launchActivityL( KAppLibActivactionUri );
+            }
+        else
+            {
+            activityEnabler->launchActivityL( KHsActivactionUri );
+            }
+        CleanupStack::PopAndDestroy( activityEnabler );
+        CleanupStack::PopAndDestroy( &apaLsSession );
+        }
     }
-}
 
 // ---------------------------------------------------------------------------
-// 
+//
 // ---------------------------------------------------------------------------
 //
 void CHsAppKeyPlugin::HandleLongPressL()
-{
-    if( !mDialog ) {
-        TInt value( 0 );
-        RProperty::Get( TsProperty::KCategory, 
+    {
+    TInt tsVisible( 0 );
+    RProperty::Get( TsProperty::KCategory,
                     TsProperty::KVisibilityKey,
-                    value );
-        if(!value) {
-            mDialog = CHbDeviceDialogSymbian::NewL();    
+                    tsVisible );
+    if ( tsVisible ) 
+        {
+        DismissTaskSwitcher();
+        } 
+    else 
+        {
+        if ( !iDialog )
+            {
+            iDialog = CHbDeviceDialogSymbian::NewL();
             CHbSymbianVariantMap* params = CHbSymbianVariantMap::NewL();
-            if(KErrNone != mDialog->Show(KTsPluginName,*params,this)) {
-                delete mDialog;
-                mDialog = 0;
+            if ( KErrNone != iDialog->Show( KTsPluginName, *params, this ) )
+                {
+                delete iDialog;
+                iDialog = 0;
+                }
+            delete params;
             }
-            delete params;
         }
     }
-}
-//  End of File
 
-
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CHsAppKeyPlugin::DismissTaskSwitcher()
+    {
+    // @todo: remove notification through property when SharedDialog flag
+    // is implemented in Orbit.
+    if ( !iDialog )
+        {
+        // dismiss dialog launched from HomeScreen
+        User::LeaveIfError( RProperty::Set( TsProperty::KCategory, TsProperty::KDismissRequestKey, 1 ) );
+        }
+    else
+        {
+        // dismiss dialog launched by this plugin
+        delete iDialog;
+        iDialog = 0;
+        }
+    }