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1 /* |
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2 * Copyright (c) 2007-2008 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: FreestyleEmailUi exit guardian implementation. |
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15 * |
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16 */ |
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17 |
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18 #include "FreestyleEmailUiAppui.h" |
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19 #include "ceuiexitguardian.h" |
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20 #include "emailtrace.h" |
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21 |
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22 |
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23 // --------------------------------------------------------------------------- |
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24 // CEUiExitGuardian::NewL |
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25 // |
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26 // --------------------------------------------------------------------------- |
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27 // |
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28 CEUiExitGuardian* CEUiExitGuardian::NewL( CFreestyleEmailUiAppUi& aAppUi ) |
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29 { |
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30 FUNC_LOG; |
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31 |
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32 CEUiExitGuardian* self = new (ELeave) CEUiExitGuardian( aAppUi ); |
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33 CleanupStack::PushL( self ); |
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34 self->ConstructL(); |
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35 CleanupStack::Pop( self ); |
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36 return self; |
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37 } |
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38 |
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39 // --------------------------------------------------------------------------- |
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40 // CEUiExitGuardian::CEUiExitGuardian |
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41 // |
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42 // --------------------------------------------------------------------------- |
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43 // |
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44 CEUiExitGuardian::CEUiExitGuardian( CFreestyleEmailUiAppUi& aAppUi ) |
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45 : iAppUi( aAppUi ) |
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46 { |
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47 FUNC_LOG; |
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48 } |
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49 |
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50 // --------------------------------------------------------------------------- |
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51 // CEUiExitGuardian::~CEUiExitGuardian |
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52 // |
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53 // --------------------------------------------------------------------------- |
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54 // |
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55 CEUiExitGuardian::~CEUiExitGuardian() |
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56 { |
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57 FUNC_LOG; |
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58 |
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59 if ( iPeriodicTimer ) |
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60 { |
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61 iPeriodicTimer->Cancel(); |
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62 delete iPeriodicTimer; |
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63 } |
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64 } |
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65 |
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66 |
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67 // --------------------------------------------------------------------------- |
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68 // CEUiExitGuardian::ConstructL |
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69 // |
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70 // --------------------------------------------------------------------------- |
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71 // |
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72 void CEUiExitGuardian::ConstructL() |
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73 { |
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74 FUNC_LOG; |
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75 |
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76 iPeriodicTimer = CPeriodic::NewL( CActive::EPriorityStandard ); |
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77 iPeriodicTimerStarted = EFalse; |
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78 } |
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79 |
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80 |
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81 // --------------------------------------------------------------------------- |
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82 // CEUiExitGuardian::PeriodicCallBack |
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83 // |
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84 // --------------------------------------------------------------------------- |
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85 // |
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86 TInt CEUiExitGuardian::PeriodicCallBack( TAny* aPtr ) |
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87 { |
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88 FUNC_LOG; |
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89 |
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90 reinterpret_cast<CEUiExitGuardian*>(aPtr)->TryExitApplication(); |
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91 return KErrNone; |
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92 } |
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93 |
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94 |
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95 // --------------------------------------------------------------------------- |
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96 // CEUiExitGuardian::TryExitApplication |
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97 // |
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98 // --------------------------------------------------------------------------- |
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99 // |
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100 TInt CEUiExitGuardian::TryExitApplication() |
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101 { |
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102 FUNC_LOG; |
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103 const TInt KDelay = 200*1000; // 200 ms |
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104 |
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105 TInt ret = KRequestPending; |
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106 |
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107 CActiveScheduler* scheduler = CActiveScheduler::Current(); |
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108 TInt nestedLevelCount = scheduler->StackDepth(); |
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109 if ( nestedLevelCount == 1 ) |
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110 { |
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111 iPeriodicTimer->Cancel(); |
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112 iAppUi.ExitNow(); |
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113 ret = KErrNone; |
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114 } |
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115 else if ( !iPeriodicTimerStarted ) |
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116 { |
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117 iPeriodicTimer->Start( KDelay, KDelay, TCallBack(PeriodicCallBack, this) ); |
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118 iPeriodicTimerStarted = ETrue; |
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119 } |
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120 |
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121 return ret; |
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122 } |
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123 |
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124 // end of file |