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1 /* |
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2 * Copyright (c) 2007 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 "mccresourceiterators.h" |
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22 #include "mccresourcecontainer.h" |
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23 #include "mccresourceitem.h" |
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24 #include <mmf/server/mmfdatasink.h> |
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25 #include <mmf/server/mmfdatasource.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 // CONTAINER ITERATOR |
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31 |
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32 // ----------------------------------------------------------------------------- |
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33 // TMccResourceContainerIterator::TMccResourceContainerIterator |
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34 // ----------------------------------------------------------------------------- |
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35 // |
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36 TMccResourceContainerIterator::TMccResourceContainerIterator( |
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37 const RPointerArray<CMccResourceContainer>& aContainers ) : |
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38 iContainers( aContainers ), |
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39 iCurrentIndex( 0 ), |
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40 iResourceParams( NULL ), |
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41 iEndpointId( 0 ) |
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42 { |
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43 } |
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44 |
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45 // ----------------------------------------------------------------------------- |
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46 // TMccResourceContainerIterator::TMccResourceContainerIterator |
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47 // ----------------------------------------------------------------------------- |
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48 // |
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49 TMccResourceContainerIterator::TMccResourceContainerIterator( |
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50 const RPointerArray<CMccResourceContainer>& aContainers, |
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51 TMccResourceParams& aResourceParams ) : |
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52 iContainers( aContainers ), |
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53 iCurrentIndex( 0 ), |
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54 iResourceParams( &aResourceParams ), |
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55 iEndpointId( 0 ) |
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56 { |
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57 } |
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58 |
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59 // ----------------------------------------------------------------------------- |
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60 // TMccResourceContainerIterator::TMccResourceContainerIterator |
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61 // ----------------------------------------------------------------------------- |
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62 // |
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63 TMccResourceContainerIterator::TMccResourceContainerIterator( |
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64 const RPointerArray<CMccResourceContainer>& aContainers, |
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65 TUint32 aEndpointId ) : |
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66 iContainers( aContainers ), |
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67 iCurrentIndex( 0 ), |
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68 iResourceParams( NULL ), |
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69 iEndpointId( aEndpointId ) |
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70 { |
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71 } |
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72 |
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73 // ----------------------------------------------------------------------------- |
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74 // TMccResourceContainerIterator::Current |
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75 // ----------------------------------------------------------------------------- |
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76 // |
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77 TInt TMccResourceContainerIterator::Current() |
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78 { |
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79 TInt current = KErrNotFound; |
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80 |
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81 if ( iContainers.Count() > 0 ) |
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82 { |
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83 current = iCurrentIndex-1; |
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84 current = current < 0 ? 0 : current; |
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85 } |
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86 return current; |
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87 } |
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88 |
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89 // ----------------------------------------------------------------------------- |
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90 // TMccResourceContainerIterator::IsEof |
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91 // ----------------------------------------------------------------------------- |
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92 // |
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93 TBool TMccResourceContainerIterator::IsEof() |
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94 { |
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95 return iContainers.Count() == 0 || iCurrentIndex >= iContainers.Count(); |
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96 } |
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97 |
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98 // ----------------------------------------------------------------------------- |
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99 // TMccResourceContainerIterator::Next |
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100 // ----------------------------------------------------------------------------- |
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101 // |
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102 TBool TMccResourceContainerIterator::Next( |
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103 CMccResourceContainer*& aCandidate, |
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104 TMccIteratorMatchType aMatchType ) |
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105 { |
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106 CMccResourceContainer* next = NULL; |
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107 TBool negation = aMatchType == ExactMatch ? EFalse : ETrue; |
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108 |
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109 while( !next && !IsEof() ) |
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110 { |
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111 CMccResourceContainer* container = iContainers[ iCurrentIndex ]; |
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112 TBool condition = EFalse; |
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113 |
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114 if ( iResourceParams ) |
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115 { |
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116 if ( iResourceParams->iLinkId ) |
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117 { |
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118 condition = ( container->LinkId() == iResourceParams->iLinkId ); |
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119 } |
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120 else if ( iResourceParams->iStreamId ) |
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121 { |
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122 condition = ( container->StreamId() == iResourceParams->iStreamId ); |
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123 } |
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124 else if ( iEndpointId ) |
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125 { |
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126 condition = ( container->FindResourceItem( iEndpointId ) != NULL ); |
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127 } |
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128 else |
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129 { |
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130 } |
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131 } |
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132 else |
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133 { |
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134 condition = ETrue; |
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135 } |
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136 |
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137 next = ( ( negation && !condition ) || |
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138 ( !negation && condition ) ) ? container : NULL; |
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139 |
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140 iCurrentIndex++; |
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141 } |
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142 |
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143 aCandidate = next; |
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144 return aCandidate != NULL; |
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145 } |
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146 |
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147 // ----------------------------------------------------------------------------- |
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148 // TMccResourceContainerIterator::Delete |
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149 // ----------------------------------------------------------------------------- |
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150 // |
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151 TInt TMccResourceContainerIterator::Delete( RPointerArray<CMccResourceContainer>& aContainers ) |
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152 { |
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153 TInt currentIndex = Current(); |
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154 |
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155 if ( currentIndex != KErrNotFound && currentIndex < aContainers.Count() ) |
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156 { |
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157 delete aContainers[ currentIndex ]; |
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158 aContainers.Remove( currentIndex ); |
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159 iCurrentIndex = currentIndex; |
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160 } |
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161 |
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162 return currentIndex; |
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163 } |
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164 |
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165 // ----------------------------------------------------------------------------- |
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166 // TMccResourceContainerIterator::Reset |
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167 // ----------------------------------------------------------------------------- |
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168 // |
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169 void TMccResourceContainerIterator::Reset() |
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170 { |
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171 iCurrentIndex = 0; |
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172 } |
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173 |
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174 |
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175 // RESOURCE ITEM ITERATOR |
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176 |
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177 // ----------------------------------------------------------------------------- |
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178 // TMccResourceItemIterator::TMccResourceItemIterator |
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179 // ----------------------------------------------------------------------------- |
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180 // |
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181 TMccResourceItemIterator::TMccResourceItemIterator( |
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182 const RPointerArray<CMccResourceItem>& aItems, |
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183 TBool aOnlyInternals, |
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184 TBool aOnlySinks, |
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185 TBool aOnlySources ) : |
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186 iItems( aItems ), |
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187 iCurrentIndex( 0 ), |
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188 iOnlyInternals( aOnlyInternals ), |
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189 iOnlySinks( aOnlySinks ), |
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190 iOnlySources( aOnlySources ), |
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191 iUid( KNullUid ), |
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192 iResourceParams( NULL ), |
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193 iEndpointId( 0 ) |
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194 { |
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195 } |
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196 |
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197 // ----------------------------------------------------------------------------- |
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198 // TMccResourceItemIterator::TMccResourceItemIterator |
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199 // ----------------------------------------------------------------------------- |
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200 // |
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201 TMccResourceItemIterator::TMccResourceItemIterator( |
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202 const RPointerArray<CMccResourceItem>& aItems, |
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203 TUid aUid ) : |
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204 iItems( aItems ), |
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205 iCurrentIndex( 0 ), |
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206 iOnlyInternals( EFalse ), |
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207 iOnlySinks( EFalse ), |
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208 iOnlySources( EFalse ), |
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209 iUid( aUid ), |
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210 iResourceParams( NULL ), |
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211 iEndpointId( 0 ) |
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212 { |
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213 } |
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214 |
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215 // ----------------------------------------------------------------------------- |
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216 // TMccResourceItemIterator::TMccResourceItemIterator |
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217 // ----------------------------------------------------------------------------- |
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218 // |
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219 TMccResourceItemIterator::TMccResourceItemIterator( |
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220 const RPointerArray<CMccResourceItem>& aItems, |
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221 TUid aUid, |
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222 TMccResourceParams& aResourceParams ) : |
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223 iItems( aItems ), |
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224 iCurrentIndex( 0 ), |
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225 iOnlyInternals( EFalse ), |
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226 iOnlySinks( EFalse ), |
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227 iOnlySources( EFalse ), |
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228 iUid( aUid ), |
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229 iResourceParams( &aResourceParams ), |
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230 iEndpointId( 0 ) |
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231 { |
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232 } |
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233 |
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234 // ----------------------------------------------------------------------------- |
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235 // TMccResourceItemIterator::TMccResourceItemIterator |
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236 // ----------------------------------------------------------------------------- |
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237 // |
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238 TMccResourceItemIterator::TMccResourceItemIterator( |
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239 const RPointerArray<CMccResourceItem>& aItems, |
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240 TMccResourceParams& aResourceParams ) : |
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241 iItems( aItems ), |
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242 iCurrentIndex( 0 ), |
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243 iOnlyInternals( EFalse ), |
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244 iOnlySinks( EFalse ), |
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245 iOnlySources( EFalse ), |
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246 iUid( KNullUid ), |
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247 iResourceParams( &aResourceParams ), |
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248 iEndpointId( 0 ) |
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249 { |
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250 } |
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251 |
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252 // ----------------------------------------------------------------------------- |
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253 // TMccResourceItemIterator::TMccResourceItemIterator |
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254 // ----------------------------------------------------------------------------- |
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255 // |
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256 TMccResourceItemIterator::TMccResourceItemIterator( |
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257 const RPointerArray<CMccResourceItem>& aItems, |
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258 TUint32 aEndpointId ) : |
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259 iItems( aItems ), |
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260 iCurrentIndex( 0 ), |
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261 iOnlyInternals( EFalse ), |
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262 iOnlySinks( EFalse ), |
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263 iOnlySources( EFalse ), |
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264 iUid( KNullUid ), |
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265 iResourceParams(NULL ), |
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266 iEndpointId( aEndpointId ) |
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267 { |
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268 } |
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269 |
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270 // ----------------------------------------------------------------------------- |
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271 // TMccResourceItemIterator::Current |
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272 // ----------------------------------------------------------------------------- |
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273 // |
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274 TInt TMccResourceItemIterator::Current() |
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275 { |
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276 TInt current = KErrNotFound; |
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277 |
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278 if ( iItems.Count() > 0 ) |
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279 { |
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280 current = iCurrentIndex-1; |
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281 current = current < 0 ? 0 : current; |
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282 } |
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283 return current; |
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284 } |
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285 |
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286 // ----------------------------------------------------------------------------- |
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287 // TMccResourceItemIterator::IsEof |
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288 // ----------------------------------------------------------------------------- |
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289 // |
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290 TBool TMccResourceItemIterator::IsEof() |
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291 { |
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292 return iItems.Count() == 0 || iCurrentIndex >= iItems.Count(); |
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293 } |
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294 |
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295 // ----------------------------------------------------------------------------- |
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296 // TMccResourceItemIterator::Next |
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297 // ----------------------------------------------------------------------------- |
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298 // |
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299 TBool TMccResourceItemIterator::Next( |
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300 CMccResourceItem*& aCandidate, |
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301 TMccIteratorMatchType aMatchType ) |
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302 { |
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303 CMccResourceItem* next = NULL; |
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304 TBool negation = aMatchType == ExactMatch ? EFalse : ETrue; |
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305 |
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306 while( !next && !IsEof() ) |
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307 { |
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308 CMccResourceItem* item = iItems[ iCurrentIndex ]; |
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309 TBool condition = EFalse; |
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310 |
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311 if ( iUid != KNullUid ) |
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312 { |
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313 condition = ( item->IsSink() && item->Sink()->DataSinkType() == iUid ) || |
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314 ( item->IsSource() && item->Source()->DataSourceType() == iUid ); |
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315 if ( condition && iResourceParams ) |
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316 { |
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317 condition = item->MatchSession( iResourceParams->iSessionId ); |
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318 } |
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319 } |
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320 else if ( iResourceParams ) |
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321 { |
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322 condition = item->Match( *iResourceParams ); |
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323 } |
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324 else if ( iEndpointId ) |
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325 { |
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326 condition = iEndpointId == item->EndpointId(); |
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327 } |
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328 else |
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329 { |
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330 condition = ( !iOnlySinks || item->IsSink() ) && |
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331 ( !iOnlySources || item->IsSource() ) && |
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332 ( !iOnlyInternals || item->IsInternal() ); |
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333 } |
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334 |
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335 next = ( ( negation && !condition ) || |
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336 ( !negation && condition ) ) ? item : NULL; |
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337 |
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338 iCurrentIndex++; |
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339 } |
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340 |
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341 aCandidate = next; |
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342 return aCandidate != NULL; |
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343 } |
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344 |
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345 // ----------------------------------------------------------------------------- |
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346 // TMccResourceItemIterator::Reset |
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347 // ----------------------------------------------------------------------------- |
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348 // |
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349 void TMccResourceItemIterator::Reset() |
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350 { |
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351 iCurrentIndex = 0; |
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352 } |
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353 |
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354 // End of file |
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355 |