--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/screensaverutility.cpp	Thu Dec 17 08:46:04 2009 +0200
@@ -0,0 +1,223 @@
+/*
+* Copyright (c) 2004 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:   Defines screensaver utility tools.
+*
+*/
+
+
+
+#include <coecntrl.h>
+#include <akntranseffect.h>
+#include <data_caging_path_literals.hrh>
+#include <gulicon.h>
+
+#ifdef RD_UI_TRANSITION_EFFECTS_PHASE2
+#include <akntransitionutils.h>
+#endif
+
+#include "screensaverutility.h"
+#include "screensaverappui.h"
+#include "ScreensaverUtils.h"
+
+
+// Screensaver window group priority boost (to ensure it's on top)
+const TInt KSSWinPriorityBoost = 2;
+
+_LIT(KSsBitmapName, "\\ssbackground.mbm");
+_LIT(KSsBitmapUserDrive, "c:");
+_LIT(KSsBitmapSystemDrive, "z:");
+
+// -----------------------------------------------------------------------------
+// CScreensaverUtility::Panic( TInt aPanic )
+// -----------------------------------------------------------------------------
+//
+void ScreensaverUtility::Panic( TInt aPanic )
+    {
+    User::Panic( _L("Screensaver"),aPanic );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CScreensaverUtility::FlushDrawBuffer( TInt aPanic )
+// Flushes pending draw commands. A "must" before activating power save
+// mode, so that the image can be copied to power save memory
+// -----------------------------------------------------------------------------
+//
+void ScreensaverUtility::FlushDrawBuffer()
+    {
+    CCoeEnv::Static()->WsSession().Flush();
+    }
+
+// -----------------------------------------------------------------------------
+// CScreensaverUtility::ScreenRotated( TInt aPanic )
+// Checks if screen has been rotated
+// -----------------------------------------------------------------------------
+//
+TBool ScreensaverUtility::ScreenRotated()
+    {
+    TPixelsAndRotation pxRot;
+    CCoeEnv::Static()->ScreenDevice()->GetDefaultScreenSizeAndRotation(pxRot);
+
+    // Rotated, if 90 or 270 degrees
+    return ((pxRot.iRotation == CFbsBitGc::EGraphicsOrientationRotated90)
+            || (pxRot.iRotation == CFbsBitGc::EGraphicsOrientationRotated270));
+    }
+
+// -----------------------------------------------------------------------------
+// ScreensaverUtility::Query12HourClock
+// Query whether 12-hour clock is displayed
+// -----------------------------------------------------------------------------
+//
+TBool ScreensaverUtility::Query12HourClock( )
+    {
+    TLocale locale;
+    return (locale.TimeFormat() == ETime12);
+    }
+
+
+// -----------------------------------------------------------------------------
+// ScreensaverUtility::BringToForeground
+// -----------------------------------------------------------------------------
+//
+void ScreensaverUtility::BringToForeground()
+    {
+#ifdef RD_UI_TRANSITION_EFFECTS_PHASE2
+    const TInt KSsaCustomActivateContextNum = 1002;
+
+    GfxTransEffect::BeginFullScreen( KSsaCustomActivateContextNum, TRect( ),
+        AknTransEffect::EParameterType, AknTransEffect::GfxTransParam(
+            KUidScreensaverApp,
+            AknTransEffect::TParameter::EActivateExplicitContinue ) );
+#endif
+    CEikonEnv::Static()->SetAutoForwarding( ETrue );
+    CEikonEnv::Static()->BringForwards( ETrue, ECoeWinPriorityAlwaysAtFront
+        + KSSWinPriorityBoost );
+    }
+
+// -----------------------------------------------------------------------------
+// ScreensaverUtility::SendToBackground
+// -----------------------------------------------------------------------------
+//
+void ScreensaverUtility::SendToBackground()
+    {
+#ifdef RD_UI_TRANSITION_EFFECTS_PHASE2
+
+    // Start the exit effect context even if this is actually application switch. The exit context
+    // makes possible to map effect by using the *previous* application uid (=Screen Saver).
+    // Note: Not allowed to call GfxTransEffect::EndFullScreen() as AVKON takes care of that when
+    // EApplicationExit context is used! 
+    const TInt KSsaCustomDeactivateContextNum = 1001;
+
+    //condition takes care of special case of incomeing call (should not have effect then)
+    if ( CAknTransitionUtils::GetData( KScreensaverCallStateChange ) == NULL )
+        {
+        GfxTransEffect::BeginFullScreen( KSsaCustomDeactivateContextNum,
+            TRect( ), AknTransEffect::EParameterType,
+            AknTransEffect::GfxTransParam( KUidScreensaverApp,
+                AknTransEffect::TParameter::EActivateExplicitContinue ) );
+        }
+
+    CAknTransitionUtils::RemoveData( KScreensaverCallStateChange );
+#endif
+
+    CEikonEnv::Static()->BringForwards( EFalse );
+    }
+
+// -----------------------------------------------------------------------------
+// ScreensaverUtility::IsDrivePresent
+// -----------------------------------------------------------------------------
+//
+TBool ScreensaverUtility::IsDrivePresent(TInt aDrive)
+    {
+    RFs& fs = CCoeEnv::Static()->FsSession();
+
+    TInt error = KErrNone;
+    TDriveInfo driveInfo;
+    error = fs.Drive(driveInfo, aDrive );
+
+    // Not present, locked or unknown is bad
+    if ((error != KErrNone) ||
+        (driveInfo.iMediaAtt & KMediaAttLocked) ||
+        (driveInfo.iType == EMediaNotPresent) ||
+        (driveInfo.iType == EMediaUnknown))
+        {
+        return EFalse;
+        }
+
+    // Read-only is fine
+    return ETrue;
+    }
+
+// -----------------------------------------------------------------------------
+// ScreensaverUtility::LoadBitmapL
+// -----------------------------------------------------------------------------
+//
+CGulIcon* ScreensaverUtility::LoadBitmapL()
+    {
+    CGulIcon *icon = CGulIcon::NewL();
+    CleanupStack::PushL( icon );
+    icon->SetBitmap(new (ELeave) CFbsBitmap());
+    CFbsBitmap* mask = new (ELeave) CFbsBitmap();
+
+    // First try user path and then system path.
+    TInt error;
+    TFileName path;
+    path.Copy(KSsBitmapUserDrive);
+    path.Append(KDC_APP_BITMAP_DIR);
+    path.Append(KSsBitmapName);
+
+    for (TInt i = 0; i < 2; i++)
+        {
+        error = icon->Bitmap()->Load(path, 0);
+        if (error == KErrNone)
+            {
+            error = mask->Load(path, 1);
+            if (error != KErrNone)
+                {
+                delete mask;
+                }
+            else
+                {
+                icon->SetMask( mask );
+                }
+            CleanupStack::Pop(); // icon
+            return icon;
+            }
+            path.Copy(KSsBitmapSystemDrive);
+            path.Append(KDC_APP_BITMAP_DIR);
+            path.Append(KSsBitmapName);
+        }
+
+    CleanupStack::PopAndDestroy(); // icon
+    return NULL;
+    }
+
+
+// -----------------------------------------------------------------------------
+// ScreensaverUtility::StopWServHeartBeat
+// -----------------------------------------------------------------------------
+//
+void ScreensaverUtility::StopWServHeartBeat()
+    {
+    SCRLOGGER_WRITE("Model: Stopping WServ HB, snoozing...");
+    RWsSession ws;
+    TInt err = ws.Connect( );
+    if ( !err )
+        {
+        ws.PrepareForSwitchOff( );
+        ws.Close( );
+        }
+    }
+
+// End of file