activityfw/activitydatabase/hsactivitydbserver/inc/activityobservertask.h
changeset 73 4bc7b118b3df
child 83 156f692b1687
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/activityfw/activitydatabase/hsactivitydbserver/inc/activityobservertask.h	Fri May 14 16:10:06 2010 +0300
@@ -0,0 +1,85 @@
+/*
+* 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:
+*
+*/
+#ifndef ACTIVITYOBSERVERTASK_H
+#define ACTIVITYOBSERVERTASK_H
+
+// INCLUDES
+#include <e32std.h>
+#include <e32base.h>
+
+#include "activitytask.h"
+#include "activitytaskstorage.h"
+
+/**
+ *  CActivityObserverTask
+ * 
+ */
+class CActivityObserverTask : public CActivityTask
+{
+public:
+    /**
+     * Destructor.
+     */
+    ~CActivityObserverTask();
+
+    /**
+     * Handle observer request. 
+     * @param globalStorage - global observers storage
+     * @param localStorage - local observers storage
+     * @param msg - request message
+     */
+    static void ExecuteLD(MActivityTaskStorage& globalStorage, 
+                          MActivityTaskStorage& localStorage,
+                          const RMessage2& msg);
+
+    /**
+     * Interface implementation
+     * @see CActivityTask::Data()
+     */
+    const TDesC8& Data() const;
+
+    /**
+     * Interface implementation
+     * @see CActivityTask::BroadcastReceivedL(const RMessage2&)
+     */
+    void BroadcastReceivedL(const RMessage2& );
+
+private:
+
+    /**
+     * Constructor for performing 1st stage construction
+     * @param globalStorage - global observers storage
+     * @param localStorage - local observers storage
+     * @param msg - request message
+     */
+    CActivityObserverTask(MActivityTaskStorage& globalStorage, 
+                          MActivityTaskStorage& localStorage,
+                          const RMessage2& msg);
+    
+    /**
+     * Write response data to requested message 
+     */
+    void WriteResponseL();
+
+private:
+    MActivityTaskStorage& mGlobalStorage;
+    MActivityTaskStorage& mLocalStorage;
+    const RMessage2 mMsg;
+    RBuf8 mData;
+};
+
+#endif // ACTIVITYOBSERVERTASK_H