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1 /* |
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2 * Copyright (c) 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: Video Source subsystem. |
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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 // INCLUDE FILES |
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20 |
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21 #include <e32svr.h> |
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22 |
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23 #include "CVSControllerImp.h" |
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24 #include "VSPanic.h" |
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25 |
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26 // MACROS |
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27 |
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28 #ifdef _DEBUG |
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29 # define __IF_DEBUG(t) {RDebug::t;} |
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30 #else |
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31 # define __IF_DEBUG(t) |
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32 #endif |
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33 |
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34 // FORWARD DECLARATIONS |
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35 |
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36 // ============================= LOCAL FUNCTIONS =============================== |
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37 |
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38 // ----------------------------------------------------------------------------- |
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39 // Panics current thread. |
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40 // ----------------------------------------------------------------------------- |
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41 // |
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42 void Panic( TVSPanic aPanicCode ) |
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43 { |
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44 User::Panic( KVSPanicCategory(), aPanicCode ); |
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45 } |
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46 |
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47 // ============================ MEMBER FUNCTIONS =============================== |
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48 |
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49 // ----------------------------------------------------------------------------- |
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50 // CVSController::NewL |
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51 // ----------------------------------------------------------------------------- |
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52 // |
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53 EXPORT_C CVSController* CVSController::NewL( MVSControllerObserver* aObserver ) |
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54 { |
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55 __IF_DEBUG(Print(_L("VideoSource: CVSController::NewL() entering"))); |
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56 if ( aObserver == NULL ) |
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57 { |
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58 User::Leave( KErrArgument ); |
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59 } |
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60 CVSController* self = CVSControllerImp::NewL(); |
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61 CleanupStack::PushL( self ); |
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62 self->ConstructL( aObserver ); |
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63 CleanupStack::Pop( self ); |
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64 __IF_DEBUG(Print(_L("VideoSource: CVSController::NewL() returning"))); |
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65 return self; |
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66 } |
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67 |
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68 // ----------------------------------------------------------------------------- |
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69 // CVSControllerImp::ConstructL |
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70 // ----------------------------------------------------------------------------- |
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71 // |
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72 void CVSControllerImp::ConstructL( MVSControllerObserver* aObserver ) |
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73 { |
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74 __IF_DEBUG(Print(_L("VideoSource: CVSControllerImp::ConstructL() entering"))); |
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75 iObserver = aObserver; |
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76 __IF_DEBUG(Print(_L("VideoSource: CVSControllerImp::ConstructL() returning"))); |
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77 } |
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78 |
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79 // ----------------------------------------------------------------------------- |
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80 // CVSControllerImp::NewL |
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81 // ----------------------------------------------------------------------------- |
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82 // |
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83 CVSControllerImp* CVSControllerImp::NewL() |
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84 { |
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85 __IF_DEBUG(Print(_L("VideoSource: CVSControllerImp::NewL() entering"))); |
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86 CVSControllerImp* self = new (ELeave) CVSControllerImp; |
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87 __IF_DEBUG(Print(_L("VideoSource: CVSControllerImp::NewL() returning"))); |
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88 return self; |
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89 } |
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90 |
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91 // ----------------------------------------------------------------------------- |
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92 // CVSControllerImp::~CVSControllerImp |
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93 // ----------------------------------------------------------------------------- |
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94 // |
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95 CVSControllerImp::~CVSControllerImp() |
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96 { |
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97 __IF_DEBUG(Print(_L("VideoSource: CVSControllerImp::~CVSControllerImp() entering"))); |
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98 __IF_DEBUG(Print(_L("VideoSource: CVSControllerImp::~CVSControllerImp() returning"))); |
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99 } |
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100 |
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101 // ----------------------------------------------------------------------------- |
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102 // CVSControllerImp::CreateDataSourceL |
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103 // ----------------------------------------------------------------------------- |
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104 // |
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105 CVSDataSource* CVSControllerImp::CreateDataSourceL( MVSDataSourceObserver* aObserver ) |
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106 { |
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107 __IF_DEBUG(Print(_L("VideoSource: CVSControllerImp::CreateDataSourceL() entering"))); |
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108 CVSDataSource* p = CVSDataSource::NewSourceL( aObserver ); |
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109 __IF_DEBUG(Print(_L("VideoSource: CVSControllerImp::CreateDataSourceL() returning"))); |
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110 return p; |
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111 } |
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112 |
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113 // ----------------------------------------------------------------------------- |
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114 // CVSControllerImp::ProvidersAvailable |
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115 // ----------------------------------------------------------------------------- |
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116 // |
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117 TInt CVSControllerImp::ProvidersAvailable() |
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118 { |
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119 __IF_DEBUG(Print(_L("VideoSource: CVSControllerImp::ProvidersAvailable() entering"))); |
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120 TInt count = CVSDataProvider::ProvidersAvailable(); |
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121 __IF_DEBUG(Print(_L("VideoSource: CVSControllerImp::ProvidersAvailable() returning"))); |
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122 return count; |
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123 } |
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124 |
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125 // ----------------------------------------------------------------------------- |
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126 // CVSControllerImp::ProviderInfoL |
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127 // ----------------------------------------------------------------------------- |
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128 // |
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129 void CVSControllerImp::ProviderInfoL( |
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130 TInt aProviderIndex, |
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131 TVSDataProviderInfo& aInfo ) |
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132 { |
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133 __IF_DEBUG(Print(_L("VideoSource: CVSControllerImp::ProviderInfo() entering"))); |
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134 if (aProviderIndex >= ProvidersAvailable() || aProviderIndex < 0) |
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135 { |
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136 User::Leave( KErrNotSupported ); |
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137 } |
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138 CVSDataProvider::ProviderInfoL( aProviderIndex, aInfo ); |
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139 __IF_DEBUG(Print(_L("VideoSource: CVSControllerImp::ProviderInfo() returning"))); |
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140 } |
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141 |
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142 // ----------------------------------------------------------------------------- |
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143 // CVSControllerImp::CreateDataProviderL |
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144 // ----------------------------------------------------------------------------- |
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145 // |
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146 CVSDataProvider* CVSControllerImp::CreateDataProviderL( |
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147 TInt aProviderIndex, |
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148 MVSDataProviderObserver* aObserver, |
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149 MVSBufferPool* aPool ) |
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150 { |
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151 __IF_DEBUG(Print(_L("VideoSource: CVSControllerImp::CreateDataProviderL() entering"))); |
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152 if (aProviderIndex >= ProvidersAvailable() || aProviderIndex < 0) |
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153 { |
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154 User::Leave( KErrArgument ); |
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155 } |
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156 if ( aObserver == NULL ) |
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157 { |
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158 User::Leave( KErrArgument ); |
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159 } |
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160 CVSDataProvider* p = |
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161 CVSDataProvider::NewL( aProviderIndex, aObserver, aPool ); |
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162 __IF_DEBUG(Print(_L("VideoSource: CVSControllerImp::CreateDataProviderL() returning"))); |
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163 return p; |
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164 } |
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165 |
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166 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
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167 |
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168 // End of File |