1126         //update the last set config with the new rotation change so we don't incorrectly

  1127         //change the layer extents

  1128         if (iDisplayControl)

  1129             {

  1130             TDisplayConfiguration config;

  1131             config.SetRotation(static_cast<TDisplayConfiguration::TRotation>(newRotation));           

  1132             iConfigChangeNotifier->UpdateLastSetConfiguration(config);

  1133             }		

  1134 		

  1996             TDisplayConfiguration newConfig;

  2003 			

  2004 			//update the last set config in the config change notifier to 

  2005 			//prevent SetConfiguration() from being called again!

  2006 			newConfig.ClearAll();

  2007 			iDisplayControl->GetConfiguration(newConfig);

  2008 			iConfigChangeNotifier->UpdateLastSetConfiguration(newConfig); 			

  2054 /**

  2055  * Updates the screen device display properties. This is to ensure the screen device is 

  2056  * consistent with any configuration changes not made using CScreen::SetConfiguration.

  2057  * 

  2058  * @param aConfigInput a fully populated display configuration

  2059  **/

  2060 TInt CScreen::UpdateConfiguration(const TDisplayConfiguration& aConfigInput)

  2061     {

  2062     TInt reply = KErrNone;

  2063     if(iDisplayControl)

  2064         {

  2065         TDisplayConfiguration config(aConfigInput);

  2066         TRect sizeModePosition;

  2067         if (iDisplayPolicy)

  2068             {   //validate config and update to a valid hardware config

  2069             reply = iDisplayPolicy->GetSizeModeConfiguration(iScreenSizeMode,config,sizeModePosition);

  2070             if (reply >= KErrNone)

  2071                 {//set appmode in policy

  2072                 if (iDisplayMapping)

  2073                     {

  2074                     iDisplayMapping->SetSizeModeExtent(sizeModePosition,MWsDisplayMapping::KOffsetAll);

  2075                     }

  2076                 }

  2077             }

  2078         else

  2079             {   //exessive strategy: limit rotation agains curr app mode.

  2080                 //really we want the system to accept the rotation change regardless of the app mode.

  2081             TDisplayConfiguration::TRotation newRot;

  2082             if (aConfigInput.GetRotation(newRot))

  2083                 {   //This should cast between rotation enumertaions "properly"

  2084                 if (!(iModes[0][iScreenSizeMode]->iAlternativeRotations&(1<<newRot)))

  2085                     {

  2086                     reply=KErrArgument;

  2087                     }

  2088                 }

  2089             }

  2090 

  2091         MWsScene::TSceneRotation oldRotation;

  2092         oldRotation = iScene->SceneRotation();

  2093         TSize newUiSize;

  2094         config.GetResolution(newUiSize);

  2095         if(iFlags&EHasDynamicSizeModes)

  2096             {

  2097             reply = iFallbackMap->Resize(newUiSize);

  2098             }

  2099 

  2100         RecalculateModeTwips(&config);   //needs res and twips information

  2101         UpdateDynamicScreenModes();        

  2102         

  2103         TWindowServerEvent::NotifyDrawer(TWservCrEvent(TWservCrEvent::EScreenSizeModeAboutToChange, iScreenSizeMode));

  2104         // This will remove all the DSA elements from the scene

  2105         AbortAllDirectDrawing(RDirectScreenAccess::ETerminateRotation);

  2106         

  2107         //SetDigitiserAreas needs revisiting if/when we support dynamic resolutions

  2108         //on a screen with touch input.

  2109         //SetDigitiserAreas(newUiSize);

  2110         

  2111         //failure here should only be because of DSA orientation change failure, which shouldn't happen, either.

  2112         //Or there may be no change to do.

  2113         (void)UpdateOrientation(&oldRotation);

  2114         

  2115         iWindowElementSet->ResubmitAllElementExtents();

  2116         if(iDsaDevice && iDsaDevice->GraphicsAccelerator())

  2117             {

  2118             iDsaDevice->ChangeScreenDevice(iDsaDevice); // orientation has changed, therefore we need to re-initialise the screen device's graphics accelerator

  2119             }

  2120         

  2121         iRootWindow->AdjustCoordsDueToRotation();

  2122 

  2123         //TODO jonas: we'd like to not have to clear at all... make the actual change to compositor etc lazily!

  2124         if(BlankScreenOnRotation())

  2125             {

  2126             iRootWindow->ClearDisplay();

  2127             }

  2128 

  2129         CWsTop::ClearAllRedrawStores();

  2130         DiscardAllSchedules();

  2131         iRootWindow->InvalidateWholeScreen();

  2132         CWsWindowGroup::SetScreenDeviceValidStates(this);

  2133         TWindowServerEvent::SendScreenDeviceChangedEvents(this);

  2134         }

  2135     else

  2136         {

  2137         reply = KErrNotSupported;

  2138         }

  2139     return reply;  

  2140     }

  2141