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1 /* |
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2 * Copyright (c) 2002 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: |
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15 * Observer for phone events. Used to deactive/active the side-key |
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16 * |
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17 * |
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18 */ |
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19 |
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20 |
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21 #include <e32property.h> |
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22 #include <PSVariables.h> |
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23 #include <ctsydomainpskeys.h> |
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24 #include "AutolockAppUiPS.h" |
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25 #include "AutoLockValueObserverPS.h" |
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26 |
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27 |
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28 // ================= MEMBER FUNCTIONS ======================= |
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29 // |
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30 // ---------------------------------------------------------- |
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31 // CValueObserver::NewL() |
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32 // Constructs a new entry with given values. |
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33 // ---------------------------------------------------------- |
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34 // |
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35 CValueObserver* CValueObserver::NewL(CAutolockAppUi* aAppUi) |
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36 { |
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37 CValueObserver* self = new (ELeave) CValueObserver(aAppUi); |
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38 CleanupStack::PushL(self); |
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39 self->ConstructL(); |
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40 CleanupStack::Pop(); |
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41 return self; |
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42 } |
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43 // |
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44 // ---------------------------------------------------------- |
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45 // CValueObserver::CValueObserver() |
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46 // Destructor |
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47 // ---------------------------------------------------------- |
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48 // |
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49 CValueObserver::~CValueObserver() |
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50 { |
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51 Cancel(); |
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52 } |
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53 // |
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54 // ---------------------------------------------------------- |
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55 // CValueObserver::Start() |
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56 // Starts listening KUidCurrentCall event |
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57 // ---------------------------------------------------------- |
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58 // |
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59 TInt CValueObserver::Start() |
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60 { |
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61 if (IsActive()) |
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62 return KErrInUse; |
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63 iStatus = KRequestPending; |
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64 iProperty.Attach(KPSUidCtsyCallInformation, KCTsyCallState); |
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65 iProperty.Subscribe(iStatus); |
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66 SetActive(); |
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67 return KErrNone; |
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68 } |
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69 // |
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70 // ---------------------------------------------------------- |
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71 // CValueObserver::Stop() |
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72 // Stops listening KUidCurrentCall event |
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73 // ---------------------------------------------------------- |
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74 // |
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75 void CValueObserver::Stop() |
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76 { |
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77 Cancel(); |
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78 } |
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79 // |
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80 // ---------------------------------------------------------- |
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81 // CLockObserver::CLockObserver() |
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82 // C++ constructor |
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83 // ---------------------------------------------------------- |
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84 // |
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85 CValueObserver::CValueObserver(CAutolockAppUi* aAppUi) : CActive(0), iAppUi(aAppUi) |
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86 { |
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87 } |
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88 // |
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89 // ---------------------------------------------------------- |
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90 // CLockObserver::ConstructL() |
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91 // Symbian OS default constructor |
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92 // ---------------------------------------------------------- |
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93 // |
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94 void CValueObserver::ConstructL() |
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95 { |
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96 // Add this active object to the scheduler. |
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97 CActiveScheduler::Add(this); |
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98 } |
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99 // |
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100 // ---------------------------------------------------------- |
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101 // CValueObserver::RunL() |
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102 // |
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103 // ---------------------------------------------------------- |
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104 // |
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105 void CValueObserver::RunL() |
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106 { |
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107 TInt callState; |
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108 iProperty.Get( callState ); |
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109 if (callState == EPSCTsyCallStateNone && !iAppUi->IsForeground()) |
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110 { |
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111 // app back to foreground |
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112 iAppUi->BringAppToForegroundL(); |
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113 } |
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114 else |
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115 { |
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116 Start(); |
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117 } |
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118 |
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119 } |
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120 // |
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121 // ---------------------------------------------------------- |
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122 // CValueObserver::DoCancel() |
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123 // Cancels event listening |
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124 // ---------------------------------------------------------- |
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125 // |
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126 void CValueObserver::DoCancel() |
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127 { |
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128 iProperty.Cancel(); |
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129 } |
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130 |
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131 // End of file |