author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 01:11:09 +0200 | |
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permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Provides information about ongoing calls. |
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* |
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*/ |
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#ifndef C_CALLINFORMATION_H |
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#define C_CALLINFORMATION_H |
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#include <e32base.h> |
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#include "mcall.h" |
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// forward declarations |
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class MCallInformationObserver; |
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class CCallInformationImpl; |
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class CCallInfoIter; |
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/** |
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* Class to be used for receiving information about ongoing calls. |
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* |
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* @code |
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* // create the CCallInformation instance e.g. when the client component is created |
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* iCallInfo = CCallInformation::NewL(); |
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* iCallInfo->NotifyCallInformationChanges(*iObserver); |
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* |
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* // and use it when needed. |
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* CCallInfoIter& iter = iCallInfo->GetCallsL(); |
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* @endcode |
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* |
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* @lib telephonyservice.lib |
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* @since S60 v5.1 |
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*/ |
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NONSHARABLE_CLASS( CCallInformation ) : public CBase |
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{ |
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public: |
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/** |
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* Two-phased constructor. |
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*/ |
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IMPORT_C static CCallInformation* NewL(); |
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/** |
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* Destructor. |
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*/ |
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virtual ~CCallInformation(); |
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/** |
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* Allows a client to be notified when there are changes in current calls. |
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* There can be only one observer per CCallInformation instance. |
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* |
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* @since S60 v5.1 |
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* @param aObserver Observer for notifications. |
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*/ |
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IMPORT_C void NotifyCallInformationChanges( MCallInformationObserver& aObserver ); |
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/** |
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* Used to cancel previously placed NotifyCallInformationChanges call. |
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* |
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* @since S60 v5.1 |
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*/ |
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IMPORT_C void CancelNotification(); |
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/** |
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* Gets the snapshot of ongoing calls. |
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* The returned reference should not be stored as member variable |
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* as it goes out of scope when there are changes in call information. |
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* |
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* @since S60 v5.1 |
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* @return Ongoing calls. |
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*/ |
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IMPORT_C CCallInfoIter& GetCallsL( ); |
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/** |
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* Returns information whether call in given state exist. |
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* |
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* @since S60 v5.2 |
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* @param aState Specifies a call state that is used as a search key. |
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* @return ETrue if call in given state exist. |
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*/ |
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IMPORT_C TBool IsCallInState( CCPCall::TCallState aState ) const; |
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private: |
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CCallInformation(); |
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void ConstructL(); |
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private: // data |
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CCallInformationImpl* iImpl; |
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}; |
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#endif // C_CALLINFORMATION_H |