1 /* |
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2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Provides emergency call support for keyguard/devicelock |
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15 * |
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16 */ |
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17 |
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18 |
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19 #ifndef __LOCKAPPSTATEDETECTOR_H__ |
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20 #define __LOCKAPPSTATEDETECTOR_H__ |
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21 |
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22 // INCLUDES |
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23 #include "lockappstateobserver.h" |
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24 #include <AknEcs.h> // MAknEcsObserver and CAknEcsDetector |
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25 |
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26 // FORWARD DECLARATIONS |
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27 class CLockAppEcsNote; |
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28 |
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29 /** |
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30 * CLockAppEcsDetector class owns emergency note and emergency detector. |
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31 * Taps directly to AppUi windowserver event source for receiving key events. |
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32 * If user presses emergency numbers defined in SIM, emergency note is shown. |
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33 * Only works when keyguard or devicelock is activated. |
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34 * |
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35 * @lib lockapp |
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36 * @since 5.0 |
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37 * @author Joona Petrell |
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38 * @author Tamas Koteles |
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39 */ |
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40 class CLockAppEcsDetector : public CBase, public MLockAppStateObserver, public MAknEcsObserver |
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41 { |
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42 public: |
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43 |
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44 /** |
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45 * Two-phased constructor. |
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46 */ |
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47 static CLockAppEcsDetector* NewL( ); |
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48 |
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49 /** |
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50 * Destructor |
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51 */ |
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52 ~CLockAppEcsDetector( ); |
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53 |
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54 private: |
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55 |
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56 /** |
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57 * C++ default constructor. |
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58 */ |
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59 CLockAppEcsDetector( ); |
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60 |
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61 /** |
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62 * Second constructor that can fail (leave). |
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63 */ |
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64 void ConstructL( ); |
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65 |
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66 public: |
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67 |
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68 /** |
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69 * From @c CLockAppStateObserver. Method handles the lock state changes. |
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70 * |
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71 * @param aLockStatus The new lock state |
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72 */ |
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73 virtual void HandleLockStatusChangedL( TLockStatus aLockStatus ); |
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74 |
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75 private: |
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76 |
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77 /** |
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78 * From @c MAknEcsObserver. Handles changes in emergency call detector. |
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79 * @param aEcsDetector a pointer to ecsdetector component |
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80 * @param aState the new emergency detector state. |
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81 */ |
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82 void HandleEcsEvent( CAknEcsDetector* aEcsDetector, CAknEcsDetector::TState aState ); |
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83 |
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84 public: |
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85 |
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86 /** |
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87 * Emergency note is visible. |
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88 * |
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89 * @return true if emergency note is on the screen. |
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90 */ |
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91 TBool EcsNoteOnScreen( ) const; |
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92 |
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93 /** |
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94 * Internal Method only used for testing since emergency number |
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95 * detection does not work in emulator. |
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96 * |
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97 * @return KErrNone if there were no problems |
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98 */ |
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99 TInt TestEcsNote( ); |
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100 |
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101 private: |
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102 |
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103 /** |
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104 * Receives emergency number key events and handles emergency dialing. |
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105 * Own. |
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106 */ |
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107 CAknEcsDetector* iEcsDetector; |
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108 |
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109 /** |
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110 * Emergency note to be shown when user has dialed emergency number. |
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111 * Own. |
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112 */ |
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113 CLockAppEcsNote* iEcsNote; |
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114 |
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115 }; |
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116 |
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117 #endif // __LOCKAPPSTATEDETECTOR_H__ |
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118 // End of File |
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119 |
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