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: Videoteleng API extension configuration |
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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 #include "CVtEngExtensions.h" |
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21 #include "VtEngPanic.h" |
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22 #include "VtEngUtils.h" |
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23 |
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24 #include "CVtEngOperation.h" |
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25 #include "CVtEngMediaHandler.h" |
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26 #include "CVtEngCameraPreferences.h" |
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27 #include "cvtengrecord2file.h" |
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28 |
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29 #include <cvtlogger.h> |
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30 |
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31 // LOCAL CONSTANTS AND MACROS |
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32 |
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33 // ============================ MEMBER FUNCTIONS =============================== |
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34 |
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35 // ----------------------------------------------------------------------------- |
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36 // CVtEngExtensions::CVtEngExtensions |
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37 // C++ constructor can NOT contain any code, that |
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38 // might leave. |
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39 // ----------------------------------------------------------------------------- |
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40 // |
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41 CVtEngExtensions::CVtEngExtensions(): |
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42 iExtensionArray( KExtensionGranularity ) |
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43 { |
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44 } |
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45 |
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46 // ----------------------------------------------------------------------------- |
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47 // CVtEngExtensions::ConstructL |
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48 // Symbian 2nd phase constructor can leave. |
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49 // ----------------------------------------------------------------------------- |
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50 // |
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51 void CVtEngExtensions::ConstructL() |
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52 { |
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53 __VTPRINTENTER( "Extensions.ConstructL" ) |
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54 __VTPRINTEXIT( "Extensions.ConstructL" ) |
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55 } |
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56 |
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57 // ----------------------------------------------------------------------------- |
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58 // CVtEngExtensions::NewL |
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59 // Two-phased constructor. |
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60 // ----------------------------------------------------------------------------- |
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61 // |
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62 CVtEngExtensions* CVtEngExtensions::NewL() |
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63 { |
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64 CVtEngExtensions* self = new( ELeave ) CVtEngExtensions; |
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65 |
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66 CleanupStack::PushL( self ); |
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67 self->ConstructL(); |
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68 CleanupStack::Pop(); |
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69 return self; |
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70 } |
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71 |
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72 // ----------------------------------------------------------------------------- |
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73 // CVtEngExtensions::~CVtEngExtensions |
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74 // Destructor. Cannot leave. |
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75 // ----------------------------------------------------------------------------- |
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76 // |
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77 CVtEngExtensions::~CVtEngExtensions() |
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78 { |
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79 __VTPRINTENTER( "Extensions.~" ) |
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80 // Clean and destroy pointer array |
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81 iExtensionArray.ResetAndDestroy(); |
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82 __VTPRINTEXIT( "Extensions.~" ) |
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83 } |
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84 |
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85 // ----------------------------------------------------------------------------- |
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86 // CVtEngExtensions::CreateExtensions |
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87 // |
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88 // ----------------------------------------------------------------------------- |
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89 // |
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90 CVtEngExtensionBase* CVtEngExtensions::CreateExtensionsL( const TUid& aUid, |
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91 CVtEngMediaHandler& aHandler) |
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92 { |
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93 __VTPRINTENTER( "Extensions.CreateExtensions" ) |
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94 |
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95 // init local variables |
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96 TInt error = KErrNotSupported; |
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97 CVtEngExtensionBase* extension = NULL; |
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98 |
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99 // Check if supported UID |
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100 if ( aUid == KVtEngExtensionCameraPreferences || |
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101 aUid == KVtEngExtensionRecord2File ) |
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102 { |
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103 // Create extension |
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104 extension = aHandler.CreateExtensionsL( aUid ); |
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105 |
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106 // Push it to clean up stack because |
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107 // it needs to be append in to |
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108 // array and it can be failed |
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109 CleanupStack::PushL( extension ); |
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110 |
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111 // append extension in to array |
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112 error = iExtensionArray.Append(extension); |
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113 if ( error != KErrNone ) |
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114 { |
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115 // if append fails |
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116 // clear clean up stack and leave |
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117 __VTPRINTEXITR( |
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118 "Extensions.CreateExtensions iExtension.Append failed %d", |
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119 error ) |
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120 CleanupStack::PopAndDestroy(); |
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121 User::Leave( error ); |
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122 } |
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123 // append succesful |
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124 // pop extension from clena up stack and return |
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125 __VTPRINTEXITR( |
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126 "Extensions.CreateExtensions iExtension UID[%d] succesfully Appended", |
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127 aUid.iUid) |
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128 CleanupStack::Pop(); |
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129 return extension; |
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130 } |
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131 // not supported UID |
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132 // leave with error |
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133 else |
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134 { |
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135 __VTPRINTEXITR( |
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136 "Extensions.CreateExtensions Extension NOTSUPPORTED UID%d", |
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137 aUid.iUid ) |
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138 User::Leave( error ); |
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139 return extension; |
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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 // ----------------------------------------------------------------------------- |
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145 // CVtEngExtensions::GetClientInterface |
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146 // |
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147 // ----------------------------------------------------------------------------- |
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148 // |
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149 TInt CVtEngExtensions::GetClientInterface( TAny** aInterfacePtr, |
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150 const TUid& aUid , CVtEngMediaHandler& aHandler) |
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151 { |
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152 __VTPRINTENTER( "Extensions.GetClientInterface" ) |
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153 // if aInterfacePtr pointer is NULL -> panic |
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154 __ASSERT_ALWAYS( aInterfacePtr,Panic( EVtEngPanicInvalidPointer ) ); |
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155 |
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156 // init local variables |
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157 CVtEngExtensionBase* extension = NULL; |
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158 TInt error = KErrGeneral; |
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159 |
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160 // initialize IF pointer to be NULL |
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161 // if correct extension API IF is found |
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162 // then changed to valid pointer |
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163 *aInterfacePtr = NULL; |
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164 |
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165 // Check if extension is allready in pointer array |
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166 TInt index = LookupExtensions( aUid ); |
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167 if ( index != KErrNotFound ) |
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168 { |
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169 *aInterfacePtr = iExtensionArray[index]->GetInterface(); |
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170 __VTPRINTEXITR( "Extensions.GetClientInterface error [%d]", KErrNone ) |
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171 return KErrNone; |
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172 } |
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173 // Create extension |
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174 else |
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175 { |
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176 TRAP( error, extension = CreateExtensionsL( aUid, aHandler ) ); |
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177 if ( extension && error == KErrNone ) |
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178 { |
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179 *aInterfacePtr = extension->GetInterface(); |
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180 error = KErrNone; |
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181 } |
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182 __VTPRINTEXITR( "Extensions.GetClientInterface error [%d]", error ) |
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183 return error; |
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184 } |
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185 } |
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186 // ----------------------------------------------------------------------------- |
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187 // CVtEngExtensions::LookupExtensions |
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188 // |
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189 // ----------------------------------------------------------------------------- |
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190 // |
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191 TInt CVtEngExtensions::LookupExtensions( const TUid& aUid) const |
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192 { |
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193 __VTPRINTENTER( "Extensions.LookupExtensions" ) |
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194 TInt index( iExtensionArray.Count() ); |
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195 |
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196 // Loop whole extension array |
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197 while( index-- ) |
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198 { |
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199 // If matches in one of arrays UIDs |
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200 if( aUid == iExtensionArray[index]->Uid() ) |
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201 { |
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202 __VTPRINTEXITR( "Extensions.LookupExtensions index [%d]", index) |
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203 return index; |
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204 } |
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205 } |
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206 __VTPRINTEXITR("Extensions.LookupExtensions Not Found index [%d]", |
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207 KErrNotFound) |
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208 return KErrNotFound; |
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209 } |
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210 |
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211 // ----------------------------------------------------------------------------- |
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212 // CVtEngExtensions::OfferOperationL |
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213 // |
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214 // ----------------------------------------------------------------------------- |
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215 // |
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216 TBool CVtEngExtensions::OfferOperationL( CVtEngOperation* aOp ) |
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217 { |
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218 __VTPRINTENTER( "Extensions.OfferOperationL" ) |
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219 |
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220 TInt index( iExtensionArray.Count() ); |
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221 |
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222 // Format cmdComleted as false |
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223 TBool cmdCompleted = EFalse; |
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224 // Offer operation to all extension in array |
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225 while( index-- ) |
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226 { |
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227 // If valid extension found |
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228 if ( iExtensionArray[index]->HandleL( aOp ) ) |
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229 { |
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230 cmdCompleted = ETrue; |
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231 break; |
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232 } |
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233 } |
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234 __VTPRINTEXITR( "Extensions.OfferOperationL cmdCompleted [%d]", |
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235 cmdCompleted) |
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236 return cmdCompleted; |
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237 } |
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238 |
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239 // ----------------------------------------------------------------------------- |
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240 // CVtEngExtensions::ValidateCommand |
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241 // |
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242 // ----------------------------------------------------------------------------- |
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243 // |
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244 TBool CVtEngExtensions::ValidateCommand( const TVtEngCommandId aCommandId ) |
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245 { |
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246 __VTPRINTENTER( "Extensions.ValidateCommand" ) |
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247 TInt index( iExtensionArray.Count() ); |
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248 |
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249 // Format oKToPerform as false |
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250 TBool oKToPerform = EFalse; |
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251 // Try validate command in all extensions in array |
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252 while( index-- ) |
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253 { |
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254 // If valid extension found |
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255 if ( iExtensionArray[index]->ValidateCommand( aCommandId ) ) |
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256 { |
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257 oKToPerform = ETrue; |
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258 break; |
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259 } |
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260 } |
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261 __VTPRINTEXITR( "Extensions.ValidateCommand oKToPerform [%d]", |
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262 oKToPerform) |
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263 return oKToPerform; |
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264 } |
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265 |
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266 // End of File |
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267 |
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