1 /*

     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Provides emergency call support for keyguard/devicelock

    15  *

    16 */

    17 

    18 

    19 #include "lockappecsdetector.h"

    20 #include "lockappecsnote.h"

    21 #include "lockapputils.h"

    22 #include <aknappui.h>

    23 #include <avkon.rsg>

    24 

    25 // ---------------------------------------------------------------------------

    26 // Standard Symbian OS construction sequence

    27 // ---------------------------------------------------------------------------

    28 CLockAppEcsDetector* CLockAppEcsDetector::NewL( )

    29     {

    30     CLockAppEcsDetector* self = new (ELeave) CLockAppEcsDetector();

    31     CleanupStack::PushL( self );

    32     self->ConstructL( );

    33     CleanupStack::Pop( self );

    34     return self;

    35     }

    36 

    37 // ---------------------------------------------------------------------------

    38 // Standard C++ constructor

    39 // ---------------------------------------------------------------------------

    40 CLockAppEcsDetector::CLockAppEcsDetector( )

    41     {

    42     }

    43 

    44 // ---------------------------------------------------------------------------

    45 // Constructs the emergency detector and the note.

    46 // ---------------------------------------------------------------------------

    47 void CLockAppEcsDetector::ConstructL( )

    48     {

    49     // emergency call support

    50     iEcsDetector = CAknEcsDetector::NewL( );

    51     iEcsDetector->SetObserver( this );

    52 

    53     // emergency call note

    54     iEcsNote = new (ELeave) CLockAppEcsNote();

    55     iEcsNote->ConstructSleepingNoteL( R_AVKON_EMERGENCY_CALL_NOTE );

    56     iEcsNote->ButtonGroupContainer().ButtonGroup()->AsControl()->DrawableWindow()->SetOrdinalPosition( 0, 2 );

    57 

    58     // needs to be called for ecs detector to work/receive events.

    59     iAvkonAppUi->EventMonitor()->Enable( ETrue );

    60     }

    61 

    62 // ---------------------------------------------------------------------------

    63 // Destructor.

    64 // ---------------------------------------------------------------------------

    65 CLockAppEcsDetector::~CLockAppEcsDetector( )

    66     {

    67     delete iEcsDetector;

    68     delete iEcsNote;

    69     }

    70 

    71 // ---------------------------------------------------------------------------

    72 // Detector starts/stops listening to key events if keys are locked/unlocked.

    73 // The detector key event queue is always reseted when lock status is changed.

    74 // ---------------------------------------------------------------------------

    75 void CLockAppEcsDetector::HandleLockStatusChangedL( TLockStatus aLockStatus )

    76     {

    77     iEcsDetector->Reset( );

    78     switch ( aLockStatus )

    79         {

    80         case ELockNotActive:

    81             {

    82             iEcsDetector->CloseEventSource( );

    83             }

    84             break;

    85         case EKeyguardActive:

    86         case EDevicelockActive:

    87             {

    88             iEcsDetector->ConnectToEventSource( );

    89             }

    90             break;

    91         default:

    92             DoPanic( ELockUnknownValue );

    93             break;

    94         }

    95     }

    96 

    97 // ---------------------------------------------------------------------------

    98 // The main state controller needs to know if emergency call note is

    99 // on the screen.

   100 // ---------------------------------------------------------------------------

   101 TBool CLockAppEcsDetector::EcsNoteOnScreen( ) const

   102     {

   103     return iEcsNote->iNoteOnScreen;

   104     }

   105 

   106 // ---------------------------------------------------------------------------

   107 // From @c MAknEcsObserver.. Handles changes in emergency the emergency number

   108 // queue (i.e. if the user has dialed emergency numbers or not).

   109 // ---------------------------------------------------------------------------

   110 void CLockAppEcsDetector::HandleEcsEvent( CAknEcsDetector* aEcsDetector,

   111         CAknEcsDetector::TState aState )

   112     {

   113     switch ( aState )

   114         {

   115         case CAknEcsDetector::ECompleteMatchThenSendKey:

   116             // Do nothing since note will be removed on ECallAttempted event

   117             break;

   118             // user has successfully dialed emergency numbers

   119         case CAknEcsDetector::ECompleteMatch:

   120             iEcsNote->SetEmergencyNumber( aEcsDetector->CurrentMatch( ) );

   121             // Tell sysAp to switch lights on

   122             SendMessageToSysAp( EEikEcsQueryLights );

   123             iEcsNote->ShowNote( );

   124             break;

   125         case CAknEcsDetector::EPartialMatch:

   126             iEcsNote->SleepNote( );

   127             break;

   128         case CAknEcsDetector::ECallAttempted:

   129             iEcsNote->SleepNote( );

   130             break;

   131         case CAknEcsDetector::EEmpty:

   132             iEcsNote->SleepNote( );

   133             break;

   134         case CAknEcsDetector::ENoMatch:

   135             iEcsNote->SleepNote( );

   136             break;

   137         default:

   138             break;

   139         }

   140     }

   141 

   142 // ---------------------------------------------------------------------------

   143 // Tests the emergency note ui. Only used for testing purposes,

   144 // Created, because emergency detector does not work in emulator.

   145 // ---------------------------------------------------------------------------

   146 TInt CLockAppEcsDetector::TestEcsNote( )

   147     {

   148 #ifdef _DEBUG

   149     HandleEcsEvent( iEcsDetector, CAknEcsDetector::EEmpty );

   150     HandleEcsEvent( iEcsDetector, CAknEcsDetector::ENoMatch );

   151     HandleEcsEvent( iEcsDetector, CAknEcsDetector::EPartialMatch );

   152     HandleEcsEvent( iEcsDetector, CAknEcsDetector::ECompleteMatch );

   153     _LIT( NText, "112Test");

   154     iEcsNote->SetEmergencyNumber( NText );

   155     SendMessageToSysAp( EEikEcsQueryLights );

   156     iEcsNote->ShowNote( );

   157 #endif

   158     return KErrNone;

   159     }