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1 /* |
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2 * Copyright (c) 2004-2006 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 * |
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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 FILES |
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22 #include <e32property.h> |
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23 #include "bthidpskeywatcher.h" |
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24 #include "bthidPsKey.h" |
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25 #include "debug.h" |
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26 |
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27 // ================= MEMBER FUNCTIONS ======================= |
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28 |
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29 // --------------------------------------------------------- |
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30 // CBTMouseCursorStatusObserver::CBTMouseCursorStatusObserver() |
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31 //---------------------------------------------------------- |
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32 // |
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33 CBTMouseCursorStatusObserver::CBTMouseCursorStatusObserver(): CActive(CActive::EPriorityStandard) |
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34 { |
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35 CActiveScheduler::Add( this ); |
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36 } |
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37 |
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38 // --------------------------------------------------------- |
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39 // CBTMouseCursorStatusObserver::NewL() |
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40 //---------------------------------------------------------- |
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41 // |
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42 CBTMouseCursorStatusObserver* CBTMouseCursorStatusObserver::NewL() |
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43 { |
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44 CBTMouseCursorStatusObserver* self = new(ELeave) CBTMouseCursorStatusObserver(); |
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45 CleanupStack::PushL( self ); |
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46 self->ConstructL(); |
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47 CleanupStack::Pop(); |
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48 return self; |
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49 } |
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50 |
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51 // --------------------------------------------------------- |
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52 // CBTMouseCursorStatusObserver::ConstructL() |
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53 //---------------------------------------------------------- |
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54 // |
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55 void CBTMouseCursorStatusObserver::ConstructL() |
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56 { |
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57 |
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58 User::LeaveIfError(iProperty.Attach( KPSUidBthidSrv, KBTMouseCursorState)); |
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59 } |
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60 |
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61 // --------------------------------------------------------- |
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62 // CBTMouseCursorStatusObserver::~CBTMouseCursorStatusObserver |
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63 //---------------------------------------------------------- |
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64 // |
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65 CBTMouseCursorStatusObserver::~CBTMouseCursorStatusObserver() |
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66 { |
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67 Cancel(); |
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68 iProperty.Close(); |
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69 } |
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70 |
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71 // --------------------------------------------------------- |
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72 // CBTMouseCursorStatusObserver::StartObservingL() |
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73 //---------------------------------------------------------- |
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74 // |
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75 void CBTMouseCursorStatusObserver::SubscribeMouseCursorStatusL(MMouseCursorStatusObserver* aObserver) |
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76 { |
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77 |
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78 ASSERT(aObserver); |
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79 |
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80 iObserver = aObserver; |
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81 |
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82 iProperty.Subscribe(iStatus); |
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83 SetActive(); |
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84 } |
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85 |
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86 |
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87 // --------------------------------------------------------- |
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88 // CBTMouseCursorStatusObserver::DoCancel() |
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89 // --------------------------------------------------------- |
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90 // |
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91 void CBTMouseCursorStatusObserver::DoCancel() |
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92 { |
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93 iProperty.Cancel(); |
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94 } |
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95 |
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96 // --------------------------------------------------------- |
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97 // CBTMouseCursorStatusObserver::RunL() |
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98 // --------------------------------------------------------- |
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99 // |
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100 void CBTMouseCursorStatusObserver::RunL() |
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101 { |
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102 |
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103 TInt btMouseCursorState = ECursorNotInitialized; |
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104 TInt err = iStatus.Int(); |
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105 |
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106 if (err == KErrNotFound) |
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107 { |
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108 // someone deleted the P&S key - this is ok as we on error |
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109 // set the cursor to not initialized. |
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110 err = KErrNone; |
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111 } |
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112 |
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113 iProperty.Subscribe(iStatus); |
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114 SetActive(); |
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115 |
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116 if (err == KErrNone) |
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117 { |
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118 err = iProperty.Get(btMouseCursorState); |
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119 if (err == KErrNotFound) |
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120 { |
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121 // probably no longer present, so set to not initialized. |
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122 btMouseCursorState = ECursorNotInitialized; |
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123 err = KErrNone; |
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124 } |
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125 if(err == KErrNone) |
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126 { |
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127 iObserver->MouseCursorStatusChangedL(btMouseCursorState); |
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128 } |
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129 } |
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130 } |