author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 26 Jan 2010 15:20:08 +0200 | |
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/* |
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* Copyright (c) 2007 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 emergency call support for keyguard/devicelock |
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* |
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*/ |
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#ifndef __LOCKAPPSTATEDETECTOR_H__ |
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#define __LOCKAPPSTATEDETECTOR_H__ |
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// INCLUDES |
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#include "lockappstateobserver.h" |
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#include <AknEcs.h> // MAknEcsObserver and CAknEcsDetector |
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// FORWARD DECLARATIONS |
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class CLockAppEcsNote; |
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/** |
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* CLockAppEcsDetector class owns emergency note and emergency detector. |
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* Taps directly to AppUi windowserver event source for receiving key events. |
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* If user presses emergency numbers defined in SIM, emergency note is shown. |
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* Only works when keyguard or devicelock is activated. |
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* |
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* @lib lockapp |
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* @since 5.0 |
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* @author Joona Petrell |
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* @author Tamas Koteles |
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*/ |
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class CLockAppEcsDetector : public CBase, public MLockAppStateObserver, public MAknEcsObserver |
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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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static CLockAppEcsDetector* NewL( ); |
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/** |
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* Destructor |
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*/ |
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~CLockAppEcsDetector( ); |
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private: |
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/** |
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* C++ default constructor. |
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*/ |
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CLockAppEcsDetector( ); |
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/** |
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* Second constructor that can fail (leave). |
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*/ |
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void ConstructL( ); |
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public: |
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/** |
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* From @c CLockAppStateObserver. Method handles the lock state changes. |
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* |
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* @param aLockStatus The new lock state |
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*/ |
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virtual void HandleLockStatusChangedL( TLockStatus aLockStatus ); |
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private: |
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/** |
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* From @c MAknEcsObserver. Handles changes in emergency call detector. |
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* @param aEcsDetector a pointer to ecsdetector component |
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* @param aState the new emergency detector state. |
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*/ |
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void HandleEcsEvent( CAknEcsDetector* aEcsDetector, CAknEcsDetector::TState aState ); |
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public: |
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/** |
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* Emergency note is visible. |
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* |
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* @return true if emergency note is on the screen. |
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*/ |
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TBool EcsNoteOnScreen( ) const; |
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/** |
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* Internal Method only used for testing since emergency number |
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* detection does not work in emulator. |
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* |
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* @return KErrNone if there were no problems |
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*/ |
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TInt TestEcsNote( ); |
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private: |
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/** |
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* Receives emergency number key events and handles emergency dialing. |
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* Own. |
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*/ |
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CAknEcsDetector* iEcsDetector; |
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/** |
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* Emergency note to be shown when user has dialed emergency number. |
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* Own. |
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*/ |
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CLockAppEcsNote* iEcsNote; |
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}; |
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#endif // __LOCKAPPSTATEDETECTOR_H__ |
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// End of File |
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