--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imagehandlingutilities/thumbnailmanager/thumbnailserver/src/thumbnailtask.cpp	Tue Jan 26 15:18:05 2010 +0200
@@ -0,0 +1,228 @@
+/*
+* Copyright (c) 2006-2007 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:  Base class for thumbnail server tasks
+ *
+*/
+
+
+#include <e32base.h>
+#include <fbs.h>
+#include "thumbnailtask.h"
+#include "thumbnailtaskprocessor.h"
+#include "thumbnailprovider.h"
+#include "thumbnaillog.h"
+#include "thumbnailpanic.h"
+#include "thumbnailserversession.h"  // ConvertSqlErrToE32Err()
+#include "thumbnailmanagerconstants.h"
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CThumbnailTask::CThumbnailTask()
+// C++ default constructor can NOT contain any code, that might leave.
+// ---------------------------------------------------------------------------
+//
+CThumbnailTask::CThumbnailTask( CThumbnailTaskProcessor& aProcessor, TInt
+    aPriority ): CActive( EPriorityStandard ), iProcessor( aProcessor ),
+    iPriority( aPriority ), iState( EIdle )
+    {
+    TN_DEBUG2( "CThumbnailTask(0x%08x)::CThumbnailTask()", this);
+    CActiveScheduler::Add( this );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailTask::~CThumbnailTask()
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CThumbnailTask::~CThumbnailTask()
+    {
+    Cancel();
+    CancelMessage();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailTask::Priority()
+// Returns priority of task.
+// ---------------------------------------------------------------------------
+//
+TInt CThumbnailTask::Priority()const
+    {
+    return iPriority;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailTask::State()
+// Returns state of task.
+// ---------------------------------------------------------------------------
+//
+CThumbnailTask::TTaskState CThumbnailTask::State()const
+    {
+    return iState;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailTask::StartL()
+// ---------------------------------------------------------------------------
+//
+void CThumbnailTask::StartL()
+    {
+    TN_DEBUG3( "CThumbnailTask(0x%08x)::StartL() iState == %d ", this, iState );
+    __ASSERT_DEBUG(( iState != ERunning ), ThumbnailPanic( EAlreadyRunning ));
+    iState = ERunning;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailTask::DoCancel()
+// ---------------------------------------------------------------------------
+//
+void CThumbnailTask::DoCancel()
+    {
+    // No implementation required
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailTask::Complete()
+// ---------------------------------------------------------------------------
+//
+void CThumbnailTask::Complete( TInt aReason )
+    {
+    TN_DEBUG4( "CThumbnailTask(0x%08x)::Complete(aReason=%d) iState was %d",
+        this, aReason, iState );
+    
+    if ( iState != EComplete )
+        {
+        iState = EComplete;
+        
+        if ( iMessage.Handle())
+            {
+            if(iMessage.Identity() == KDaemonUid ) 
+                {
+                iProcessor.SetDaemonAsProcess(ETrue);
+                }
+            else
+                {
+                iProcessor.SetDaemonAsProcess(EFalse);
+                }
+            iMessage.Complete( CThumbnailServerSession::ConvertSqlErrToE32Err( aReason ));
+            ResetMessageData();
+            }
+        
+        iProcessor.TaskComplete( this );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CThumbnailTask::Continue()
+// ---------------------------------------------------------------------------
+//
+void CThumbnailTask::Continue()
+    {
+    if ( iState != EComplete )
+        { 
+        iState = EIdle;
+        }
+    
+    iProcessor.TaskComplete( this );
+    }
+
+// ---------------------------------------------------------------------------
+// CThumbnailTask::StartError()
+// ---------------------------------------------------------------------------
+//
+void CThumbnailTask::StartError( TInt aError )
+    {
+    // This is called if StartL() left. Complete this task with an error and
+    // continue processing.
+    TN_DEBUG3( "CThumbnailTask(0x%08x)::StartError(aError=%d)", this, aError );
+    Complete( aError );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailTask::ChangeTaskPriority()
+// Changes priority of the task.
+// ---------------------------------------------------------------------------
+//
+void CThumbnailTask::ChangeTaskPriority( TInt aNewPriority )
+    {
+    iPriority = aNewPriority;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailTask::SetMessageData()
+// ---------------------------------------------------------------------------
+//
+void CThumbnailTask::SetMessageData( const TThumbnailServerRequestId&
+    aRequestId, const RMessage2& aMessage )
+    {
+    iMessage = aMessage;
+    iRequestId = aRequestId;
+    }
+
+// ---------------------------------------------------------------------------
+// CThumbnailTask::SetMessageData()
+// ---------------------------------------------------------------------------
+//
+void CThumbnailTask::SetMessageData( const TThumbnailServerRequestId&
+    aRequestId )
+    {
+    iMessage = RMessage2();
+    iRequestId = aRequestId;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailTask::ResetMessageData()
+// ---------------------------------------------------------------------------
+//
+void CThumbnailTask::ResetMessageData()
+    {
+    iMessage = RMessage2();
+    iRequestId = TThumbnailServerRequestId();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailTask::ResetMessageData()
+// Returns id of specific task.
+// ---------------------------------------------------------------------------
+//
+TThumbnailServerRequestId CThumbnailTask::RequestId()const
+    {
+    return iRequestId;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailTask::CancelMessage()
+// ---------------------------------------------------------------------------
+//
+void CThumbnailTask::CancelMessage()
+    {
+    if ( iMessage.Handle())
+        {
+        iMessage.Complete( KErrCancel );
+        ResetMessageData();
+        }
+    }
+
+// End of file