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1 /* |
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2 * Copyright (c) 2005-2007 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 * Provides methods for CPbkImageManager implementation classes. |
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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 // INCLUDE FILES |
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21 #include "CPbk2ImageManagerImpl.h" |
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22 |
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23 // From Phonebook2 |
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24 #include "CPbk2EmbeddedImage.h" |
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25 |
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26 // From Virtual Phonebook |
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27 #include <MVPbkBaseContact.h> |
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28 #include <MVPbkStoreContact.h> |
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29 #include <MVPbkBaseContactField.h> |
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30 #include <MVPbkContactFieldData.h> |
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31 #include <MVPbkFieldType.h> |
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32 #include <CVPbkContactManager.h> |
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33 |
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34 // Unnamed namespace for local definitions |
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35 namespace |
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36 { |
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37 /** |
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38 * Finds field index from contact. |
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39 * |
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40 * @param aContactManager Reference to contact manager. |
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41 * @param aContact Reference to contact, |
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42 * @param aFieldType Reference to field type. |
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43 * @return Pointer to found field. NULL if field cannot be found. |
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44 */ |
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45 template <class VPbkContactField, class VPbkContact> |
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46 VPbkContactField* FindFieldFromContactL( |
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47 CVPbkContactManager& aContactManager, |
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48 VPbkContact& aContact, |
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49 const MVPbkFieldType& aFieldType) |
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50 { |
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51 const MVPbkFieldTypeList& supportedFieldTypes = |
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52 aContactManager.FieldTypes(); |
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53 VPbkContactField* field = NULL; |
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54 |
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55 for ( TInt n = 0; n < aContact.Fields().FieldCount(); ++n ) |
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56 { |
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57 field = &aContact.Fields().FieldAt( n ); |
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58 |
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59 const TInt maxMatchPriority = |
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60 supportedFieldTypes.MaxMatchPriority(); |
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61 for (TInt matchPriority = 0; |
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62 matchPriority <= maxMatchPriority; |
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63 ++matchPriority) |
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64 { |
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65 const MVPbkFieldType* sourceFieldType = |
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66 field->MatchFieldType( matchPriority ); |
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67 if ( sourceFieldType && |
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68 aFieldType.IsSame( *sourceFieldType ) ) |
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69 { |
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70 return field; |
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71 } |
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72 } |
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73 } |
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74 |
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75 return NULL; |
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76 } |
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77 |
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78 /** |
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79 * Finds field index from contact. |
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80 * |
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81 * @param aContactManager Reference to contact manager. |
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82 * @param aContact Reference to contact, |
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83 * @param aFieldType Reference to field type. |
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84 * @return Found field index. KErrNotFound if field cannot be found. |
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85 */ |
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86 TInt FindFieldIndex( |
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87 CVPbkContactManager& aContactManager, |
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88 const MVPbkBaseContact& aContact, |
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89 const MVPbkFieldType& aFieldType) |
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90 { |
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91 const MVPbkBaseContactFieldCollection& fields = aContact.Fields(); |
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92 const TInt fieldCount = fields.FieldCount(); |
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93 |
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94 const TInt maxMatchPriority = |
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95 aContactManager.FieldTypes().MaxMatchPriority(); |
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96 for (TInt matchPriority = 0; |
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97 matchPriority <= maxMatchPriority; |
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98 ++matchPriority) |
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99 { |
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100 for (TInt i = 0; i < fieldCount; ++i) |
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101 { |
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102 const MVPbkFieldType* fieldType = |
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103 fields.FieldAt(i).MatchFieldType(matchPriority); |
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104 if (fieldType && fieldType->IsSame(aFieldType)) |
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105 { |
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106 return i; |
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107 } |
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108 } |
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109 } |
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110 return KErrNotFound; |
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111 } |
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112 } // unnamed namespace |
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113 // ================= MEMBER FUNCTIONS ======================= |
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114 |
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115 // -------------------------------------------------------------------------- |
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116 // Pbk2ImageOperationFactory::CreateReaderLC |
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117 // -------------------------------------------------------------------------- |
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118 // |
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119 MPbk2ImageReader* Pbk2ImageOperationFactory::CreateReaderLC |
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120 (CVPbkContactManager& aContactManager, |
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121 const MVPbkBaseContact& aContact, |
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122 MPbk2ImageGetObserver& aObserver, |
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123 const MVPbkFieldType& aFieldType) |
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124 { |
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125 const MVPbkBaseContactField* field = |
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126 FindFieldFromContactL<const MVPbkBaseContactField, const MVPbkBaseContact>( |
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127 aContactManager, aContact, aFieldType); |
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128 |
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129 MPbk2ImageReader* reader = NULL; |
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130 if (field && SupportedStorageType(field)) |
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131 { |
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132 reader = CPbk2EmbeddedImageReader::NewLC(*field,aObserver); |
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133 } |
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134 return reader; |
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135 } |
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136 |
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137 // -------------------------------------------------------------------------- |
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138 // Pbk2ImageOperationFactory::CreateWriterLC |
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139 // -------------------------------------------------------------------------- |
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140 // |
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141 MPbk2ImageWriter* Pbk2ImageOperationFactory::CreateWriterLC |
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142 (CVPbkContactManager& aContactManager, |
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143 MVPbkStoreContact& aContact, |
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144 MPbk2ImageSetObserver& aObserver, |
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145 const MVPbkFieldType& aFieldType) |
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146 { |
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147 MPbk2ImageWriter* writer = NULL; |
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148 |
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149 // Find existing field from contact |
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150 MVPbkStoreContactField* field = NULL; |
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151 |
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152 field = FindFieldFromContactL<MVPbkStoreContactField, MVPbkStoreContact>( |
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153 aContactManager, aContact, aFieldType); |
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154 |
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155 if (field && !SupportedStorageType(field)) |
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156 { |
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157 // Existing field's storage type is not supported -> remove field |
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158 TInt index(FindFieldIndex( |
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159 aContactManager, |
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160 static_cast<const MVPbkBaseContact&>(aContact), |
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161 aFieldType)); |
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162 User::LeaveIfError(index); |
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163 aContact.RemoveField(index); |
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164 field = NULL; |
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165 } |
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166 |
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167 if (!field) |
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168 { |
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169 // No thumbnail field -> create one |
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170 field = aContact.CreateFieldLC(aFieldType); |
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171 TInt fieldIndex = aContact.AddFieldL(field); // takes ownership |
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172 CleanupStack::Pop(); // field |
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173 field = &aContact.Fields().FieldAt(fieldIndex); |
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174 } |
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175 |
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176 if (SupportedStorageType(field)) |
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177 { |
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178 writer = |
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179 CPbk2EmbeddedImageWriter::NewLC( |
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180 aContactManager, |
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181 *field, |
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182 aObserver); |
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183 } |
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184 else |
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185 { |
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186 User::Leave(KErrNotSupported); |
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187 } |
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188 |
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189 return writer; |
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190 } |
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191 |
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192 // -------------------------------------------------------------------------- |
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193 // Pbk2ImageOperationFactory::SupportedStorageType |
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194 // -------------------------------------------------------------------------- |
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195 // |
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196 TBool Pbk2ImageOperationFactory::SupportedStorageType |
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197 (const MVPbkBaseContactField* aField) |
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198 { |
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199 TVPbkFieldStorageType storageType = aField->FieldData().DataType(); |
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200 return EVPbkFieldStorageTypeBinary==storageType ? ETrue: EFalse; |
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201 } |
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202 |
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203 // End of File |