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1 /* |
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2 * Copyright (c) 2007-2009 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: Harvester session watcher |
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15 * |
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16 */ |
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17 |
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18 #include "harvestersessionwatcher.h" |
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19 |
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20 // --------------------------------------------------------------------------- |
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21 // NewL |
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22 // --------------------------------------------------------------------------- |
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23 // |
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24 CHarvesterSessionWatcher* CHarvesterSessionWatcher::NewL( MHarvesterSessionObserver& aObserver ) |
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25 { |
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26 CHarvesterSessionWatcher* self = new ( ELeave ) CHarvesterSessionWatcher( aObserver ); |
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27 CleanupStack::PushL( self ); |
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28 self->ConstructL(); |
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29 CleanupStack::Pop( self ); |
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30 |
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31 return self; |
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32 } |
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33 |
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34 // --------------------------------------------------------------------------- |
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35 // ~CHarvesterSessionWatcher |
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36 // --------------------------------------------------------------------------- |
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37 // |
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38 CHarvesterSessionWatcher::~CHarvesterSessionWatcher() // destruct |
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39 { |
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40 Cancel(); |
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41 } |
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42 |
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43 // --------------------------------------------------------------------------- |
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44 // CHarvesterSessionWatcher |
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45 // First-phase C++ constructor |
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46 // --------------------------------------------------------------------------- |
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47 // |
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48 CHarvesterSessionWatcher::CHarvesterSessionWatcher( MHarvesterSessionObserver& aObserver ) |
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49 : CActive( CActive::EPriorityStandard ), iState( EIdle ), iObserver( &aObserver ) |
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50 { |
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51 // Add to active scheduler. |
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52 CActiveScheduler::Add( this ); |
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53 } |
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54 |
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55 // --------------------------------------------------------------------------- |
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56 // ConstructL |
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57 // --------------------------------------------------------------------------- |
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58 // |
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59 void CHarvesterSessionWatcher::ConstructL() // second-phase constructor |
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60 { |
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61 _LIT( KHarvesterServerProcess, "HarvesterServer*" ); |
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62 TFullName name; |
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63 |
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64 // find Harvester Server |
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65 TFindProcess findProcess( KHarvesterServerProcess ); |
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66 if ( findProcess.Next(name) == KErrNone ) |
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67 { |
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68 User::LeaveIfError( iProcess.Open(name) ); |
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69 iState = ERunning; |
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70 // logon to get termination signal |
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71 iProcess.Logon( iStatus ); |
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72 SetActive(); |
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73 } |
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74 else |
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75 { |
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76 User::Leave( KErrCommsBreak ); |
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77 } |
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78 } |
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79 |
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80 // --------------------------------------------------------------------------- |
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81 // DoCancel |
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82 // --------------------------------------------------------------------------- |
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83 // |
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84 void CHarvesterSessionWatcher::DoCancel() |
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85 { |
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86 iState = ESCancelled; |
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87 iProcess.LogonCancel( iStatus ); |
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88 iProcess.Close(); |
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89 } |
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90 |
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91 // --------------------------------------------------------------------------- |
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92 // RunL |
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93 // --------------------------------------------------------------------------- |
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94 // |
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95 void CHarvesterSessionWatcher::RunL() |
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96 { |
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97 switch (iState) |
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98 { |
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99 case EIdle: |
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100 case ESCancelled: |
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101 { |
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102 break; |
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103 } |
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104 |
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105 case ERunning: |
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106 { |
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107 // server terminated, notify clients |
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108 iObserver->HarvesterServerTerminated(); |
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109 break; |
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110 } |
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111 |
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112 default: |
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113 break; |
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114 } |
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115 } |
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116 |
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117 // --------------------------------------------------------------------------- |
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118 // RunError |
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119 // --------------------------------------------------------------------------- |
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120 // |
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121 TInt CHarvesterSessionWatcher::RunError( TInt /*aError*/ ) |
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122 { |
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123 return KErrNone; |
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124 } |
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125 |