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1 /* |
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2 * Copyright (c) 2003 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: Connection UI interprocess signaller. |
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15 * |
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16 */ |
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17 |
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18 // INCLUDE FILES |
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19 #include <e32std.h> |
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20 #include "CCnUiSignaller.h" |
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21 |
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22 |
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23 // ================= GLOBAL FUNCTIONS ==================== |
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24 // ----------------------------------------------------------------------------- |
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25 // CreateConnUiSignallerL() |
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26 // ----------------------------------------------------------------------------- |
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27 // |
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28 GLREF_C MCnUiSignaller* CreateConnUiSignallerL() |
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29 { |
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30 return CCnUiSignaller::NewL(); |
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31 } |
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32 |
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33 GLREF_C MCnUiSignaller* CreateConnUiSignallerLC() |
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34 { |
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35 CCnUiSignaller* self = CCnUiSignaller::NewL(); |
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36 CleanupStack::PushL( self ); |
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37 return self; |
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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 // ================= MEMBER FUNCTIONS ======================= |
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43 // Two-phased constructor. |
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44 CCnUiSignaller* CCnUiSignaller::NewL() |
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45 { |
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46 CCnUiSignaller* self = new ( ELeave ) CCnUiSignaller(); |
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47 CleanupStack::PushL( self ); |
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48 self->ConstructL(); |
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49 CleanupStack::Pop( self ); //self |
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50 return self; |
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51 } |
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52 |
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53 |
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54 // Destructor |
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55 CCnUiSignaller::~CCnUiSignaller() |
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56 { |
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57 //no need to explicitly to cancel the |
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58 //signal ==> closing will do it automaticly |
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59 delete iOperationSignalChannel; |
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60 } |
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61 |
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62 // C++ default constructor can NOT contain any code, that |
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63 // might leave. |
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64 // |
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65 CCnUiSignaller::CCnUiSignaller() |
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66 : iOperationSignalRequested( EFalse ) |
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67 { |
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68 } |
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69 |
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70 |
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71 // Symbian OS default constructor can leave. |
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72 void CCnUiSignaller::ConstructL() |
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73 { |
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74 iOperationSignalChannel = CCnUiGroupChannel::NewL( ECnUiGlobalGroup, |
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75 ECnUiGlobalOperationSignalChannel ); |
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76 } |
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77 |
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78 |
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79 // ----------------------------------------------------------------------------- |
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80 // CCnUiSignaller::SignalOperationL() |
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81 // ----------------------------------------------------------------------------- |
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82 // |
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83 TInt CCnUiSignaller::SignalOperationL( const TDesC& aDetailDesc ) |
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84 { |
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85 if ( OperationRunning() ) |
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86 { |
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87 return KErrInUse; |
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88 } |
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89 |
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90 //construct objects |
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91 iOperationSignalChannel->SignalL( aDetailDesc ); |
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92 iOperationSignalRequested = ETrue; |
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93 return KErrNone; |
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94 } |
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95 |
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96 |
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97 // ----------------------------------------------------------------------------- |
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98 // CCnUiSignaller::CancelOperationSignal() |
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99 // ----------------------------------------------------------------------------- |
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100 // |
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101 void CCnUiSignaller::CancelOperationSignal() |
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102 { |
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103 if ( iOperationSignalRequested ) |
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104 { |
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105 iOperationSignalChannel->CancelSignal(); |
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106 iOperationSignalRequested = EFalse; |
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107 } |
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108 } |
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109 |
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110 |
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111 // ----------------------------------------------------------------------------- |
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112 // CCnUiSignaller::OperationRunning() |
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113 // ----------------------------------------------------------------------------- |
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114 // |
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115 TBool CCnUiSignaller::OperationRunning() |
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116 { |
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117 TInt signalCount = 0; |
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118 iOperationSignalChannel->Read( signalCount ); |
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119 |
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120 return ( signalCount > 0 ); |
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121 } |
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122 |
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123 |
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124 // ----------------------------------------------------------------------------- |
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125 // CCnUiSignaller::OperationDetailsL() |
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126 // ----------------------------------------------------------------------------- |
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127 // |
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128 void CCnUiSignaller::OperationDetailsL( HBufC*& aDetailDesc ) |
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129 { |
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130 if ( !OperationRunning() ) |
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131 { |
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132 //if the operation isn't running |
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133 //values are defaulted to empty buffer and 0 |
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134 aDetailDesc = KNullDesC().AllocL(); |
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135 } |
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136 |
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137 else |
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138 { |
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139 iOperationSignalChannel->ReadL( aDetailDesc ); |
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140 } |
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141 } |
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142 |
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143 |
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144 // End of File |