diff -r 3ab5c078b490 -r c63ee96dbe5f taskswitcher/client/s60/src/tssession.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/client/s60/src/tssession.cpp	Thu Sep 16 12:11:40 2010 +0100
@@ -0,0 +1,168 @@
+/*
+* Copyright (c) 2009 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:
+*
+*/
+#include <s32mem.h>
+#include <fbs.h>
+
+#include "tssession.h"
+#include "tsscreenshotmsg.h"
+#include "tsunregscreenshotmsg.h"
+#include "tsvisibilitymsg.h"
+
+TInt RTsSession::Connect()
+{
+    TInt retry = 4;
+    TInt error(KErrNone);
+    do {
+        error = CreateSession(KRunningAppServerName, TVersion(0, 0, 0));
+        if (KErrNotFound == error || KErrServerTerminated == error) {
+            error = StartServer();
+            if (KErrNone == error || KErrAlreadyExists == error) {
+                retry = 0;
+                error = CreateSession(KRunningAppServerName, TVersion(0, 0, 0));
+            }
+        } else {
+            retry = 0;
+        }
+    } while (--retry > 0);
+    return error;
+}
+
+TInt RTsSession::StartServer()
+{
+    TInt error;
+
+    RSemaphore semaphore;
+    error = semaphore.CreateGlobal(KTsServerReadySemaphore, 0);
+    
+    if (KErrNone == error || KErrAlreadyExists == error) {
+        RProcess server;
+        error = server.Create(KRunningAppServerName, KNullDesC, TUidType(KNullUid, KNullUid, KRunningAppServerUid));
+        if (KErrNone == error) {
+            TRequestStatus status;
+            server.Rendezvous(status);
+            
+            if (status != KRequestPending) {
+                server.Kill(0);
+                User::WaitForRequest(status);
+            } else {
+                server.Resume();
+                User::WaitForRequest(status);
+
+                // wait for server
+                semaphore.Wait();
+            }
+
+            if (KErrCancel == status.Int()) {
+                error = KErrNone;
+            } else {
+                error = (EExitPanic == server.ExitType()) ? KErrGeneral : status.Int();
+            }
+        }
+        server.Close();
+    }
+    semaphore.Close();
+
+    return error;
+}
+
+
+HBufC8* RTsSession::TasksContentLC()
+{
+    for (;;) {
+        TPckgBuf<TInt> dataSize;
+        User::LeaveIfError(SendReceive(GetRunningAppInfo, TIpcArgs(&dataSize)));        
+        HBufC8* data = HBufC8::NewLC(dataSize());
+        TPtr8 dataPointer(data->Des());
+        TInt err = SendReceive(FlushData, TIpcArgs(&dataPointer, dataSize()));
+        if (err == KErrNone) {
+            return data;
+        } else if (err != KErrCorrupt) {
+            User::Leave(err);
+        }
+        CleanupStack::PopAndDestroy(data);
+        // If result was KErrCorrupt then the size received from GetRunningAppInfo is
+        // not valid anymore so restart the whole procedure.
+    }
+}
+
+void RTsSession::Subscribe(TRequestStatus& aStatus)
+{
+    SendReceive(SubscribeRunningAppChanges, aStatus);
+}
+
+void RTsSession::CancelSubscribe()
+{
+    SendReceive(CancelSubscribeRunningAppChanges);
+}
+
+void RTsSession::OpenTask(const TDesC8 &key)
+{
+    SendReceive(OpenTaskMessage, TIpcArgs(&key));
+}
+
+void RTsSession::CloseTask(const TDesC8 &key)
+{
+    SendReceive(CloseTaskMessage, TIpcArgs(&key));
+}
+
+TInt RTsSession::RegisterScreenshot(CFbsBitmap *screenshot, TInt wgId, UpdatePriority priority)
+{
+   TRAPD(errNo, RegisterScreenshotL(screenshot, wgId, priority));
+   return errNo;
+}
+
+TInt RTsSession::UnregisterScreenshot(TInt wgId)
+{
+    TRAPD(errNo, UnregisterScreenshotL(wgId));
+   return errNo;
+}
+
+TInt RTsSession::SetVisibility(TInt wgId, Visibility value)
+{
+    TRAPD(errNo, SetVisibilityL(wgId, value));
+    return errNo;
+}
+
+void RTsSession::RegisterScreenshotL(CFbsBitmap *screenshot, TInt wgId, UpdatePriority priority)
+{
+    CTsScreenshotMsg *message = CTsScreenshotMsg::NewLC(wgId, *screenshot, priority);
+    HBufC8* serializedData = message->ExternalizeLC();
+    TIpcArgs arguments(serializedData);
+    User::LeaveIfError(SendReceive(RegisterScreenshotMessage, arguments));
+    CleanupStack::PopAndDestroy(serializedData);
+    CleanupStack::PopAndDestroy(message);
+}
+
+void RTsSession::UnregisterScreenshotL(TInt wgId)
+{
+    CTsUnregisterScreenshotMsg *message = CTsUnregisterScreenshotMsg::NewLC(wgId);
+    HBufC8* serializedData = message->ExternalizeLC();
+    TIpcArgs arguments(serializedData);
+    User::LeaveIfError(SendReceive(UnregisterScreenshotMessage, arguments));
+    CleanupStack::PopAndDestroy(serializedData);
+    CleanupStack::PopAndDestroy(message);
+}
+
+void RTsSession::SetVisibilityL(TInt wgId, Visibility value)
+{
+    CTsVisibilitMsg *message = CTsVisibilitMsg::NewLC(wgId, value);
+    HBufC8* serializedData = message->ExternalizeLC();
+    TIpcArgs arguments(serializedData);
+    User::LeaveIfError(SendReceive(VisibilityChange, arguments));
+    CleanupStack::PopAndDestroy(serializedData);
+    CleanupStack::PopAndDestroy(message);
+}