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1 /* |
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2 * Copyright (c) 2002-2009 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 // INCLUDE FILES |
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20 #include "CCLFDbItemProvider.h" |
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21 #include "CCLFItemImpl.h" |
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22 #include "MCLFItemProviderObserver.h" |
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23 #include "CCLFDbItemContainer.h" |
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24 #include "CLFPanics.h" |
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25 #include "MGDebugPrint.h" |
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26 #include "CCLFQueryAdapter.h" |
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27 #include "CLFUtils.h" |
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28 #include <mdeobjectquery.h> |
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29 #include <mdeconstants.h> |
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30 |
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31 const TInt KCLFItemArrayGranularity( 25 ); |
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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 // CCLFDbItemProvider::CCLFDbItemProvider |
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37 // ----------------------------------------------------------------------------- |
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38 // |
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39 CCLFDbItemProvider::CCLFDbItemProvider( CCLFDbItemContainer& aDbItemContainer, |
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40 CCLFQueryAdapter& aQueryAdapter, CMdESession* aMdESession ) |
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41 : CActive( EPriorityStandard ), |
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42 iProviderState( EItemsReady ), |
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43 iObserver( NULL ), |
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44 iItemArray( KCLFItemArrayGranularity ), |
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45 iDbItemContainer( aDbItemContainer ), |
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46 iQueryAdapter( aQueryAdapter ), |
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47 iObjectQuery( NULL ), |
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48 iObjDefStr( &KNullDesC ), |
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49 iMdESession( aMdESession ) |
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50 { |
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51 CActiveScheduler::Add( this ); |
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52 } |
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53 |
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54 // ----------------------------------------------------------------------------- |
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55 // CCLFDbItemProvider::ConstructL |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 void CCLFDbItemProvider::ConstructL() |
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59 { |
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60 } |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // CCLFDbItemProvider::NewL |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 CCLFDbItemProvider* CCLFDbItemProvider::NewL( CCLFDbItemContainer& aDbItemContainer, |
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67 CCLFQueryAdapter& aQueryAdapter, CMdESession* aMdESession ) |
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68 { |
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69 CCLFDbItemProvider* self = new( ELeave ) CCLFDbItemProvider( aDbItemContainer, |
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70 aQueryAdapter, |
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71 aMdESession ); |
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72 CleanupStack::PushL( self ); |
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73 self->ConstructL(); |
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74 CleanupStack::Pop( self ); |
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75 return self; |
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76 } |
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77 |
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78 // ----------------------------------------------------------------------------- |
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79 // CCLFDbItemProvider::~CCLFDbItemProvider |
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80 // Destructor |
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81 // ----------------------------------------------------------------------------- |
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82 // |
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83 CCLFDbItemProvider::~CCLFDbItemProvider() |
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84 { |
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85 Cancel(); |
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86 delete iObjectQuery; |
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87 iItemArray.ResetAndDestroy(); |
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88 } |
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89 |
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90 // ----------------------------------------------------------------------------- |
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91 // CCLFDbItemProvider::DoCancel |
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92 // ----------------------------------------------------------------------------- |
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93 // |
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94 void CCLFDbItemProvider::DoCancel() |
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95 { |
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96 MG_DEBUG1( dr1, "[CLF]\t CCLFDbItemProvider::DoCancel" ); |
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97 |
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98 if ( iObjectQuery ) |
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99 { |
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100 iObjectQuery->Cancel(); |
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101 } |
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102 |
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103 iObjDefStr = &KNullDesC; |
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104 } |
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105 |
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106 // ----------------------------------------------------------------------------- |
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107 // CCLFDbItemProvider::RunL |
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108 // ----------------------------------------------------------------------------- |
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109 // |
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110 void CCLFDbItemProvider::RunL() |
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111 { |
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112 MG_DEBUG2( r1, "[CLF]\t CCLFDbItemProvider::RunL %d", iStatus.Int() ); |
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113 |
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114 TInt error( iStatus.Int() ); |
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115 if ( error == KErrNone ) |
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116 { |
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117 DoRunL(); |
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118 } |
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119 if ( EItemsReady == iProviderState ) |
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120 { |
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121 iObserver->OperationCompleteL( KErrNone ); |
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122 } |
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123 } |
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124 |
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125 // ----------------------------------------------------------------------------- |
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126 // CCLFDbItemProvider::DoRunL |
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127 // ----------------------------------------------------------------------------- |
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128 // |
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129 void CCLFDbItemProvider::DoRunL() |
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130 { |
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131 switch ( iProviderState ) |
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132 { |
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133 case EPrepareItemIds: |
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134 { |
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135 DoFetchMdSIdDataCachedL(); |
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136 break; |
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137 } |
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138 case EPrepareItems: |
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139 { |
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140 DoFetchMdSDataL(); |
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141 break; |
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142 } |
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143 default: |
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144 { |
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145 User::Leave( ECLFIncorrectCommand ); |
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146 } |
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147 } |
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148 } |
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149 |
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150 // ----------------------------------------------------------------------------- |
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151 // CCLFDbItemProvider::RunError |
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152 // ----------------------------------------------------------------------------- |
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153 // |
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154 TInt CCLFDbItemProvider::RunError( const TInt aError ) |
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155 { |
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156 MG_DEBUG2( re1, "[CLF]\t CCLFDbItemProvider::RunError: %d", aError ); |
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157 |
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158 if ( (EItemsReady == iProviderState || aError) && iObserver ) |
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159 { |
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160 TRAP_IGNORE( iObserver->OperationCompleteL( aError ) ); |
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161 } |
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162 |
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163 return KErrNone; |
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164 } |
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165 |
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166 // ----------------------------------------------------------------------------- |
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167 // CCLFDbItemProvider::PrepareItemsL |
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168 // ----------------------------------------------------------------------------- |
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169 // |
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170 void CCLFDbItemProvider::PrepareItemsL( const MDesCArray& aMimeTypeArray, |
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171 const TArray< TInt >& aMediaTypeArray, |
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172 MCLFItemProviderObserver& aObserver ) |
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173 { |
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174 MG_DEBUG1( PI1, "[CLF]\t CCLFDbItemProvider::PrepareItemsL 1" ); |
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175 |
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176 Cancel(); |
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177 iObserver = &aObserver; |
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178 iItemArray.ResetAndDestroy(); |
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179 |
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180 TBool image = EFalse; |
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181 TBool video = EFalse; |
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182 TBool audio = EFalse; |
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183 TBool other = EFalse; |
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184 |
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185 // find all mediatypes |
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186 const TInt typeCount( aMediaTypeArray.Count() ); |
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187 for ( TInt i = 0; i < typeCount; i++ ) |
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188 { |
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189 iObjDefStr = &KNullDesC; |
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190 iObjDefStr = &CLFUtils::MapClfType( aMediaTypeArray[ i ] ); |
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191 |
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192 if (iObjDefStr->Compare(MdeConstants::Image::KImageObject) == 0) |
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193 { |
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194 image = ETrue; |
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195 } |
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196 else if (iObjDefStr->Compare(MdeConstants::Video::KVideoObject) == 0) |
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197 { |
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198 video = ETrue; |
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199 } |
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200 else if (iObjDefStr->Compare(MdeConstants::Audio::KAudioObject) == 0) |
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201 { |
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202 audio = ETrue; |
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203 } |
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204 else |
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205 { |
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206 other = ETrue; |
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207 } |
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208 } |
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209 |
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210 // images & videos (gallery) |
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211 if (image && video && !audio) |
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212 { |
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213 iObjDefStr = &MdeConstants::Object::KBaseObject; |
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214 } |
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215 // images |
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216 else if(image && !video && !audio && !other) |
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217 { |
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218 iObjDefStr = &MdeConstants::Image::KImageObject; |
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219 } |
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220 // videos |
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221 else if (!image && video && !audio && !other) |
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222 { |
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223 iObjDefStr = &MdeConstants::Video::KVideoObject; |
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224 } |
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225 // audio |
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226 else if (!image && !video && audio && !other) |
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227 { |
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228 iObjDefStr = &MdeConstants::Audio::KAudioObject; |
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229 } |
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230 // other |
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231 else |
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232 { |
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233 iObjDefStr = &MdeConstants::Object::KBaseObject; |
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234 } |
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235 |
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236 iProviderState = EPrepareItemIds; |
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237 |
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238 delete iObjectQuery; |
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239 iObjectQuery = NULL; |
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240 iQueryAdapter.QueryMdEObjectsL( aMimeTypeArray, aMediaTypeArray, iObjectQuery, iStatus ); |
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241 SetActive(); |
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242 } |
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243 |
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244 // ----------------------------------------------------------------------------- |
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245 // CCLFDbItemProvider::PrepareItemsL |
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246 // ----------------------------------------------------------------------------- |
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247 // |
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248 void CCLFDbItemProvider::PrepareItemsL( const TArray< TCLFItemId >& aItemIDArray, |
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249 MCLFItemProviderObserver& aObserver ) |
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250 { |
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251 MG_DEBUG1( PI1, "[CLF]\t CCLFDbItemProvider::PrepareItemsL 2" ); |
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252 |
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253 Cancel(); |
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254 iObserver = &aObserver; |
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255 iItemArray.ResetAndDestroy(); |
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256 iProviderState = EPrepareItems; |
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257 |
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258 const TDesC& objDefStr = CLFUtils::MapClfType( ECLFMediaTypeUnknown ); |
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259 delete iObjectQuery; |
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260 iObjectQuery = NULL; |
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261 iQueryAdapter.QueryMdEObjectsL( aItemIDArray, objDefStr, iObjectQuery, iStatus ); |
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262 SetActive(); |
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263 } |
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264 |
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265 // ----------------------------------------------------------------------------- |
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266 // CCLFDbItemProvider::GetItems |
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267 // ----------------------------------------------------------------------------- |
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268 // |
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269 TInt CCLFDbItemProvider::GetItems( RPointerArray< MCLFItem >& aItemArray ) |
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270 { |
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271 MG_DEBUG1( df1, "[CLF]\t CCLFDbItemProvider::GetItems" ); |
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272 |
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273 const TInt KCLFItemIndex( 0 ); // do not change |
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274 |
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275 while ( iItemArray.Count() ) |
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276 { |
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277 const TInt error( aItemArray.Append( |
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278 iItemArray[ KCLFItemIndex ] ) ); // takes ownership |
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279 if ( error ) |
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280 { |
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281 return error; |
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282 } |
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283 iItemArray.Remove( KCLFItemIndex ); |
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284 } |
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285 return KErrNone; |
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286 } |
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287 |
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288 // ----------------------------------------------------------------------------- |
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289 // CCLFDbItemProvider::DoFetchMdSIdDataCachedL |
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290 // ----------------------------------------------------------------------------- |
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291 // |
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292 void CCLFDbItemProvider::DoFetchMdSIdDataCachedL() |
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293 { |
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294 MG_DEBUG1( df1, "[CLF]\t CCLFDbItemProvider::DoFetchMdSIdDataCachedL" ); |
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295 |
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296 RArray< TCLFItemId > itemIdArray; |
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297 CleanupClosePushL( itemIdArray ); |
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298 DoFetchMdSIdDataL( itemIdArray ); |
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299 |
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300 // Check if items are in cache |
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301 TInt idCount( itemIdArray.Count() ); |
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302 for ( TInt i = 0 ; i < idCount ; ++i ) |
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303 { |
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304 CCLFContainerItem* containerItem = |
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305 iDbItemContainer.ItemById( itemIdArray[ i ] ); |
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306 if ( containerItem ) |
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307 { |
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308 // found in cache |
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309 CreateCLFItemL( *containerItem ); // reserve item for this model |
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310 |
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311 // remove handled item ID |
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312 itemIdArray.Remove( i ); |
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313 --i; |
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314 --idCount; |
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315 } |
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316 } |
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317 iProviderState = EPrepareItems; |
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318 |
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319 delete iObjectQuery; |
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320 iObjectQuery = NULL; |
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321 iQueryAdapter.QueryMdEObjectsL( itemIdArray.Array(), *iObjDefStr, iObjectQuery, iStatus ); |
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322 SetActive(); |
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323 CleanupStack::PopAndDestroy( &itemIdArray ); |
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324 } |
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325 |
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326 // ----------------------------------------------------------------------------- |
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327 // CCLFDbItemProvider::DoFetchMdSDataL |
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328 // ----------------------------------------------------------------------------- |
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329 // |
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330 void CCLFDbItemProvider::DoFetchMdSDataL() |
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331 { |
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332 #ifdef _DEBUG |
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333 MG_DEBUG1( df1, "[CLF]\t CCLFDbItemProvider::DoFetchDataL" ); |
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334 |
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335 _LIT( KCLFWIPPanicText, "DoFetchMdSDataL"); |
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336 __ASSERT_DEBUG( iObjectQuery, User::Panic( KCLFWIPPanicText, KErrNotReady )); |
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337 #endif |
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338 |
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339 const TInt count( iObjectQuery->Count() ); |
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340 for ( TInt index( 0 ); index < count; index++ ) |
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341 { |
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342 const TInt64 id = (TInt64)iObjectQuery->ResultId( index ); |
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343 CMdEObject* object = iMdESession->GetFullObjectL( id ); |
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344 |
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345 if( !object ) |
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346 { |
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347 continue; |
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348 } |
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349 |
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350 // check if other model is already put this item to container |
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351 CCLFContainerItem* containerItem = |
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352 iDbItemContainer.ItemById( id ); |
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353 if ( containerItem ) |
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354 { |
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355 delete object; |
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356 object = NULL; |
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357 continue; |
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358 } |
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359 else |
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360 { |
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361 // create container item |
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362 containerItem = CCLFContainerItem::NewLC( object ); |
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363 |
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364 // append container item to container |
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365 // container takes ownership of container item |
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366 iDbItemContainer.AddL( containerItem ); |
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367 CleanupStack::Pop( containerItem ); |
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368 } |
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369 CreateCLFItemL( *containerItem ); |
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370 } |
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371 iProviderState = EItemsReady; |
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372 } |
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373 |
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374 // ----------------------------------------------------------------------------- |
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375 // CCLFDbItemProvider::DoFetchMdSIdDataL |
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376 // ----------------------------------------------------------------------------- |
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377 // |
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378 void CCLFDbItemProvider::DoFetchMdSIdDataL( RArray< TCLFItemId >& aItemIDArray ) |
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379 { |
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380 #ifdef _DEBUG |
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381 MG_DEBUG1( df1, "[CLF]\t CCLFDbItemProvider::DoFetchDataL" ); |
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382 |
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383 _LIT( KCLWIPPanicString, "DoFetchMdSIdDataL" ); |
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384 __ASSERT_DEBUG( iObjectQuery, |
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385 User::Panic( KCLWIPPanicString, KErrAbort )); |
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386 #endif |
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387 |
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388 const TInt count( iObjectQuery->Count() ); |
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389 for ( TInt index( 0 ); index < count; index++ ) |
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390 { |
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391 aItemIDArray.AppendL( (TInt64)iObjectQuery->ResultId( index )); |
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392 } |
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393 } |
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394 |
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395 // ----------------------------------------------------------------------------- |
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396 // CCLFDbItemProvider::CreateCLFItemL |
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397 // ----------------------------------------------------------------------------- |
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398 // |
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399 void CCLFDbItemProvider::CreateCLFItemL( CCLFContainerItem& aCItem ) |
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400 { |
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401 MG_DEBUG1( cci1, "[CLF]\t CCLFDbItemProvider::CreateCLFItemL" ); |
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402 |
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403 // CLF item releases reference in destructor |
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404 CCLFItemImpl* item = CCLFItemImpl::NewLC( aCItem, iDbItemContainer ); |
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405 iItemArray.AppendL( item ); // array takes ownership of the item |
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406 CleanupStack::Pop( item ); |
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407 } |
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408 |
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409 // End of File |