1 /* |
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2 * Copyright (c) 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: ws monitor implementation |
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15 * |
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16 */ |
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17 |
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18 #include "tsfswmonitor.h" |
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19 #include "tsdataobserver.h" |
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20 |
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21 // -------------------------------------------------------------------------- |
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22 // CTsFswMonitor::~CTsFswMonitor |
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23 // -------------------------------------------------------------------------- |
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24 // |
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25 CTsFswMonitor::~CTsFswMonitor() |
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26 { |
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27 Cancel(); |
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28 mWg.Close(); |
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29 mWsSession.Close(); |
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30 } |
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31 |
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32 // -------------------------------------------------------------------------- |
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33 // CTsFswMonitor::CTsFswMonitor |
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34 // -------------------------------------------------------------------------- |
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35 // |
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36 CTsFswMonitor::CTsFswMonitor(MHsDataObserver& taskListObserver) : |
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37 CActive(EPriorityStandard), mTaskListObserver(&taskListObserver) |
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38 { |
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39 } |
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40 |
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41 // -------------------------------------------------------------------------- |
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42 // CTsFswMonitor::NewL |
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43 // -------------------------------------------------------------------------- |
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44 // |
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45 CTsFswMonitor* CTsFswMonitor::NewL(MHsDataObserver& taskListObserver) |
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46 { |
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47 CTsFswMonitor* self = NewLC(taskListObserver); |
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48 CleanupStack::Pop(self); |
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49 return self; |
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50 } |
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51 |
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52 // -------------------------------------------------------------------------- |
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53 // CTsFswMonitor::NewLC |
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54 // -------------------------------------------------------------------------- |
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55 // |
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56 CTsFswMonitor* CTsFswMonitor::NewLC(MHsDataObserver& taskListObserver) |
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57 { |
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58 CTsFswMonitor* self = new (ELeave) CTsFswMonitor(taskListObserver); |
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59 CleanupStack::PushL(self); |
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60 self->ConstructL(); |
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61 return self; |
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62 } |
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63 |
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64 // -------------------------------------------------------------------------- |
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65 // CTsFswMonitor::ConstructL |
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66 // -------------------------------------------------------------------------- |
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67 // |
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68 void CTsFswMonitor::ConstructL() |
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69 { |
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70 CActiveScheduler::Add(this); |
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71 //Create window server observer |
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72 ConstractObserverL(); |
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73 Subscribe(); |
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74 } |
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75 |
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76 // ----------------------------------------------------------------------------- |
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77 // Subscribe |
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78 // ----------------------------------------------------------------------------- |
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79 // |
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80 void CTsFswMonitor::Subscribe() |
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81 { |
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82 if (!IsActive()) { |
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83 mWsSession.EventReady(&iStatus); |
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84 SetActive(); |
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85 } |
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86 } |
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87 |
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88 // ----------------------------------------------------------------------------- |
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89 // ConstractObserverL |
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90 // ----------------------------------------------------------------------------- |
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91 // |
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92 void CTsFswMonitor::ConstractObserverL() |
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93 { |
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94 User::LeaveIfError(mWsSession.Connect()); |
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95 mWg = RWindowGroup(mWsSession); |
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96 User::LeaveIfError(mWg.Construct(reinterpret_cast<TUint32> (&mWg))); |
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97 mWg.DisableFocusChangeEvents(); |
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98 mWg.DisableModifierChangedEvents(); |
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99 mWg.DisableOnEvents(); |
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100 mWg.DisableScreenChangeEvents(); |
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101 |
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102 //enable notifications about group lists |
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103 User::LeaveIfError(mWg.EnableGroupListChangeEvents()); |
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104 } |
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105 |
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106 void CTsFswMonitor::RunL() |
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107 { |
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108 User::LeaveIfError(iStatus.Int()); |
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109 TWsEvent event; |
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110 mWsSession.GetEvent(event); |
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111 Subscribe();//new subscribtion has to be called after picking event |
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112 if (EEventWindowGroupListChanged == event.Type() /*|| EEventFocusGroupChanged == event.Type()*/) { |
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113 if (mTaskListObserver) { |
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114 mTaskListObserver->DataChanged(); |
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115 } |
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116 } |
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117 } |
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118 |
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119 TInt CTsFswMonitor::RunError(TInt /*aError*/) |
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120 { |
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121 Subscribe(); |
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122 return KErrNone; |
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123 } |
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124 |
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125 void CTsFswMonitor::DoCancel() |
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126 { |
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127 if (IsActive()) { |
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128 mWsSession.EventReadyCancel(); |
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129 } |
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130 } |
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131 |
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132 // end of file |
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