phonesrv_plat/converged_call_provider_api/inc/mccpconferencecall.h
changeset 0 ff3b6d0fd310
child 19 7d48bed6ce0c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonesrv_plat/converged_call_provider_api/inc/mccpconferencecall.h	Tue Feb 02 01:11:09 2010 +0200
@@ -0,0 +1,203 @@
+/*
+* Copyright (c) 2006 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:  CCP Conference call functionality.
+*
+*/
+
+
+#ifndef MCCPCONFERENCECALL_H
+#define MCCPCONFERENCECALL_H
+
+//  INCLUDES
+#include <e32base.h>
+#include <mccpcall.h>
+
+class MCCPConferenceCallObserver; 
+
+/**
+* Conference call object.
+* 
+* @since S60 3.2
+*/
+class MCCPConferenceCall
+	{
+protected:
+    /** 
+    * Protected destructor. Object cannot be deleted from plug-in client (CCE).
+    * @since S60 3.2
+    */
+    virtual inline ~MCCPConferenceCall() {};
+
+public:
+
+    /**
+    * Returns the service-id used for the call.
+    * @since S60 3.2
+    * @param None.
+    * @return Service-id of the call.
+    */
+    virtual TUint32 ServiceId() const = 0;
+
+    /**
+    * Ends an ongoing conference call.
+    * Does not delete the call. Call deletion is requested calling 
+    * CConvergedCallProvider::ReleaseConferenceCall.
+	* If the request cannot be started then an error will be returned immediately as return value. 
+	* In succesfull case KErrNone will be returned and the requested action has been started.
+    * @param None
+    * @return KErrNone if request was started succesfully. 
+    * @return KErrAlreadyExists if conference is already in idle state.
+    * @pre Call state is not MCCPConferenceCallObserver::ECCPConferenceIdle.
+    * @since S60 3.2
+    */
+    virtual TInt HangUp() = 0;
+
+    /**
+    * Puts conference call on hold.
+	* If the request cannot be started then an error will be returned immediately as return value. 
+	* In succesfull case KErrNone will be returned and the requested action has been started.
+    * @param None
+    * @return KErrNone if request was started succesfully.
+    * @return KErrNotReady if conferencel is not in connected state.
+    * @pre Call state is MCCPConferenceCallObserver::ECCPConferenceActive.
+    * @since S60 3.2
+    */
+    virtual TInt Hold() = 0;
+      
+    /**
+    * Resumes previously held conference call.
+	* If the request cannot be started then an error will be returned immediately as return value. 
+	* In succesfull case KErrNone will be returned and the requested action has been started.
+    * @param None
+    * @return KErrNone if request was started succesfully.
+    * @return KErrNotReady if call is not in on-hold state.
+    * @pre Call state is MCCPConferenceCallObserver::ECCPConferenceHold.
+    * @since S60 3.2
+    */
+    virtual TInt Resume() = 0;
+
+    /**
+    * Swaps a connected conference call between Hold and Resume. 
+	* If the request cannot be started then an error will be returned immediately as return value. 
+	* In succesfull case KErrNone will be returned and the requested action has been started.
+    * @param none
+    * @return KErrNone if request was started succesfully. 
+    * @return KErrNotReady if call is not in on-hold state or connected state
+    * @pre Call state is MCCPConferenceCallObserver::ECCPConferenceHold or 
+    * MCCPConferenceCallObserver::ECCPConferenceActive
+    * @since S60 3.2
+    */
+    virtual TInt Swap() = 0;
+
+	/**
+	* Adds a new call to conference call. 
+	* When plug-in regards the call as added it will notify observer about it 
+	* with call added notification MCCPConferenceCallObserver::ECCPConferenceCallAdded.
+	* 
+	* @since S60 3.2
+	* @param aCall Call to be added to conference.
+	* @return None
+	* @leave In case of an error system wide error code.
+	* @leave KErrAlreadyExists call is already part of conference.
+	* @leave KErrNotReady In case conference is not on hold or idle.
+	* @pre Conference call state is MCCPConferenceCallObserver::ECCPConferenceHold or 
+	* MCCPConferenceCallObserver::ECCPConferenceIdle. 
+	* @post Added call is notified calling MCCPConferenceCallObserver::ConferenceCallEventOccurred.
+	* @post If conference becomes active regarding its internal plug-in based logic state is 
+	* MCCPConferenceCallObserver::ECCPConferenceActive.
+	*/
+	virtual void AddCallL( MCCPCall* aCall ) = 0;
+
+	/**
+	* Removes a call from conference call. Can be called on any state.
+	* When plug-in regards the call as removed it will notify observer about it 
+	* with call removed notification MCCPConferenceCallObserver::ECCPConferenceCallRemoved.
+	* @since S60 3.2
+	* @param aCall Call to be removed from conference.
+	* @return None
+	* @leave In case of an error system wide error code.
+	* @leave KErrNotFound call was not part of conference.
+	* @leave KErrNotReady In case conference is not connected (MCCPConferenceCallObserver::ECCPConferenceActive) state.
+	* @pre Conference call state is MCCPConferenceCallObserver::ECCPConferenceActive or 
+	* MCCPConferenceCallObserver::ECCPConferenceIdle. 
+	* @post Removed call is notified calling MCCPConferenceCallObserver::ConferenceCallEventOccurred.
+	* @post If conference becomes idle regarding its internal plug-in based logic state is 
+	* MCCPConferenceCallObserver::ECCPConferenceIdle. 
+	*/
+	virtual void RemoveCallL( MCCPCall* aCall ) = 0;
+
+	/**
+	* Returns number of calls active calls in the conference.
+	* @since S60 3.2
+	* @param None
+	* @return aCallCount Number of calls in conference.
+	*/
+	virtual TInt CallCount() const = 0;
+
+    /**
+	* Switch to a private call with given call that is part of conference. When call is regared 
+	* as removed from conference it will be notified using 
+	* MCCPConferenceCallObserver::ECCPConferenceCallRemoved.
+	* @since S60 3.2
+	* @param aCall Call to go one-to-one with.
+	* @return None
+	* @leave KErrNotFound call was not part of conference.
+	* @post After successful actions conference call state is MCCPConferenceCallObserver::ECCPConferenceHold 
+	* and private call will become active one. 
+	*/
+	virtual void GoOneToOneL( MCCPCall& aCall ) = 0;
+
+    /**
+	* Add all current calls in the plug-in to conference. Each succesfully added call will 
+	* be separately notified using MCCPConferenceCallObserver::ECCPConferenceCallAdded.
+	* If call is not added to conference it is not notified and can be regareded as not 
+	* part of conference
+	* @since S60 3.2
+	* @param None
+	* @return None
+	* @leave In case of an error system wide error code.
+	*/
+	virtual void CurrentCallsToConferenceL() = 0;
+	
+    /**
+    * Gets conference participants
+	* @since S60 3.2
+	* @param aCallArray Reference to call array
+    * @return Error code
+	*/
+	virtual TInt GetCallArray( RPointerArray<MCCPCall>& aCallArray ) = 0;
+	
+    /**
+    * Add an observer for conference call related events.
+    * Currently CCE will set only one observer.
+    * @since S60 v3.2
+    * @param aObserver Observer to be added
+    * @return None
+    * @leave System error if observer adding fails.
+    */
+    virtual void AddObserverL( const MCCPConferenceCallObserver& aObserver ) = 0;
+
+    /**
+    * Remove an observer.
+    * @since S60 v3.2
+    * @param none
+    * @param aObserver Observer for conference.
+    * @return KErrNone if removed succesfully.
+    * @return KErrNotFound if observer was not found.
+    */
+    virtual TInt RemoveObserver( const MCCPConferenceCallObserver& aObserver ) = 0;
+	};
+
+#endif // MCCPCONFERENCECALL_H
+