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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 // CEUiExitGuardian::NewL |
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24 // |
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25 // --------------------------------------------------------------------------- |
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26 // |
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27 CEUiExitGuardian* CEUiExitGuardian::NewL( CFreestyleEmailUiAppUi& aAppUi ) |
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28 { |
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29 FUNC_LOG; |
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30 |
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31 CEUiExitGuardian* self = new (ELeave) CEUiExitGuardian(aAppUi); |
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32 CleanupStack::PushL(self); |
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33 self->ConstructL(); |
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34 CleanupStack::Pop(self); |
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35 return self; |
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36 } |
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37 |
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38 // --------------------------------------------------------------------------- |
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39 // CEUiExitGuardian::CEUiExitGuardian |
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40 // |
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41 // --------------------------------------------------------------------------- |
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42 // |
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43 CEUiExitGuardian::CEUiExitGuardian( CFreestyleEmailUiAppUi& aAppUi ) |
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44 : iAppUi(aAppUi) |
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45 { |
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46 FUNC_LOG; |
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47 } |
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48 |
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49 // --------------------------------------------------------------------------- |
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50 // CEUiExitGuardian::~CEUiExitGuardian |
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51 // |
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52 // --------------------------------------------------------------------------- |
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53 // |
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54 CEUiExitGuardian::~CEUiExitGuardian() |
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55 { |
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56 FUNC_LOG; |
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57 |
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58 delete iIdle; |
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59 } |
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60 |
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61 // --------------------------------------------------------------------------- |
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62 // CEUiExitGuardian::ConstructL |
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63 // |
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64 // --------------------------------------------------------------------------- |
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65 // |
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66 void CEUiExitGuardian::ConstructL() |
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67 { |
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68 FUNC_LOG; |
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69 |
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70 iIdle = CIdle::NewL(CActive::EPriorityStandard); |
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71 } |
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72 |
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73 // --------------------------------------------------------------------------- |
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74 // CEUiExitGuardian::EnterLC |
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75 // |
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76 // --------------------------------------------------------------------------- |
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77 // |
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78 void CEUiExitGuardian::EnterLC() |
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79 { |
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80 FUNC_LOG; |
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81 |
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82 if (iExitPending) |
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83 { |
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84 User::Leave(KErrNotReady); |
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85 } |
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86 iEnterCount++; |
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87 CleanupStack::PushL(TCleanupItem(Exit, this)); |
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88 } |
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89 |
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90 // --------------------------------------------------------------------------- |
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91 // CEUiExitGuardian::Exit |
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92 // |
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93 // --------------------------------------------------------------------------- |
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94 // |
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95 void CEUiExitGuardian::Exit(TAny* aPtr) |
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96 { |
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97 FUNC_LOG; |
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98 |
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99 reinterpret_cast<CEUiExitGuardian*>(aPtr)->DoExit(); |
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100 } |
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101 |
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102 // --------------------------------------------------------------------------- |
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103 // CEUiExitGuardian::DoExit |
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104 // |
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105 // --------------------------------------------------------------------------- |
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106 // |
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107 void CEUiExitGuardian::DoExit() |
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108 { |
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109 FUNC_LOG; |
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110 |
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111 iEnterCount--; |
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112 if (iExitPending && !iEnterCount && !iIdle->IsActive()) |
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113 { |
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114 // Start async exit processing to rewind recursion before the actual |
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115 // exit |
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116 iIdle->Start( TCallBack( IdleCallBack, this ) ); |
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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 // CEUiExitGuardian::IdleCallBack |
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122 // |
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123 // --------------------------------------------------------------------------- |
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124 // |
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125 TInt CEUiExitGuardian::IdleCallBack( TAny* aPtr ) |
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126 { |
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127 FUNC_LOG; |
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128 |
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129 reinterpret_cast<CEUiExitGuardian*>( aPtr )->iAppUi.ExitNow(); |
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130 return KErrNone; |
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131 } |
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132 |
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133 // --------------------------------------------------------------------------- |
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134 // CEUiExitGuardian::ExitApplication |
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135 // |
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136 // --------------------------------------------------------------------------- |
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137 // |
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138 TInt CEUiExitGuardian::ExitApplication() |
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139 { |
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140 FUNC_LOG; |
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141 |
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142 TInt result( KRequestPending ); |
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143 iExitPending = ETrue; |
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144 if (!iEnterCount) |
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145 { |
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146 result = KErrNone; |
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147 iAppUi.ExitNow(); |
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148 } |
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149 return result; |
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150 } |
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151 |
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152 // end of file |