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1 /* |
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2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Active Idle Content Observer optimizer |
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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 "aicontentobserveroptimizer.h" |
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20 |
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21 CAiContentObserverOptimizer* CAiContentObserverOptimizer::NewL(MAiContentObserver& aObserver) |
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22 { |
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23 return new(ELeave) CAiContentObserverOptimizer( aObserver ); |
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24 } |
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25 |
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26 CAiContentObserverOptimizer::~CAiContentObserverOptimizer() |
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27 { |
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28 iBlackList.Close(); |
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29 } |
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30 |
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31 TInt CAiContentObserverOptimizer::StartTransaction( TInt aTxId ) |
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32 { |
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33 TInt err = KErrAlreadyExists; |
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34 if ( iTransactionStarted ) |
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35 { |
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36 return err; |
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37 } |
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38 iCommitNeeded = EFalse; |
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39 |
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40 err = iObserver.StartTransaction( aTxId ); |
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41 if ( err == KErrNone ) |
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42 { |
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43 iTransactionStarted = ETrue; |
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44 } |
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45 return err; |
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46 } |
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47 |
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48 |
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49 TInt CAiContentObserverOptimizer::Commit( TInt aTxId ) |
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50 { |
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51 TInt err = KErrNotReady; |
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52 if ( iTransactionStarted ) |
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53 { |
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54 if ( iCommitNeeded ) |
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55 { |
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56 iCommitNeeded = EFalse; |
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57 err = iObserver.Commit( aTxId ); |
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58 } |
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59 else |
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60 { |
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61 err = CancelTransaction( aTxId ); |
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62 } |
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63 } |
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64 iTransactionStarted = EFalse; |
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65 return err; |
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66 } |
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67 |
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68 |
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69 TInt CAiContentObserverOptimizer::CancelTransaction( TInt aTxId ) |
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70 { |
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71 TInt err = KErrNotReady; |
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72 if ( iTransactionStarted ) |
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73 { |
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74 err = iObserver.CancelTransaction( aTxId ); |
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75 } |
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76 iTransactionStarted = EFalse; |
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77 return err; |
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78 } |
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79 |
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80 |
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81 TBool CAiContentObserverOptimizer::CanPublish( CHsContentPublisher& aPlugin, |
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82 TInt aContent, |
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83 TInt aIndex ) |
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84 { |
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85 return iObserver.CanPublish( aPlugin, aContent, aIndex ); |
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86 } |
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87 |
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88 TInt CAiContentObserverOptimizer::Publish( CHsContentPublisher& aPlugin, |
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89 TInt aContent, |
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90 TInt aResource, |
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91 TInt aIndex ) |
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92 { |
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93 if ( IsInBlackList( aContent, aIndex ) ) |
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94 { |
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95 return KErrNotFound; |
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96 } |
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97 TInt err = iObserver.Publish( aPlugin, aContent, aResource, aIndex ); |
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98 // Publish went through OK, we need to commit the transaction |
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99 if ( err == KErrNone && iTransactionStarted ) |
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100 { |
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101 iCommitNeeded = ETrue; |
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102 } |
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103 // publish failed because the ui declaration doesn't |
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104 // include this content => add to black list and |
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105 // don't try to publish again |
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106 else if ( err == KErrNotFound || err == KErrNotSupported ) |
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107 { |
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108 AddToBlackList( aContent, aIndex ); |
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109 } |
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110 return err; |
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111 } |
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112 |
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113 |
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114 TInt CAiContentObserverOptimizer::Publish( CHsContentPublisher& aPlugin, |
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115 TInt aContent, |
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116 const TDesC16& aText, |
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117 TInt aIndex ) |
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118 { |
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119 if ( IsInBlackList( aContent, aIndex ) ) |
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120 { |
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121 return KErrNotFound; |
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122 } |
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123 TInt err = iObserver.Publish( aPlugin, aContent, aText, aIndex ); |
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124 // Publish went through OK, we need to commit the transaction |
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125 if ( err == KErrNone && iTransactionStarted ) |
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126 { |
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127 iCommitNeeded = ETrue; |
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128 } |
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129 // publish failed because the ui declaration doesn't |
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130 // include this content => add to black list and |
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131 // don't try to publish again |
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132 else if ( err == KErrNotFound || err == KErrNotSupported ) |
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133 { |
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134 AddToBlackList( aContent, aIndex ); |
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135 } |
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136 return err; |
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137 } |
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138 |
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139 |
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140 TInt CAiContentObserverOptimizer::Publish( CHsContentPublisher& aPlugin, |
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141 TInt aContent, |
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142 const TDesC8& aBuf, |
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143 TInt aIndex ) |
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144 { |
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145 if ( IsInBlackList( aContent, aIndex ) ) |
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146 { |
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147 return KErrNotFound; |
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148 } |
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149 TInt err = iObserver.Publish( aPlugin, aContent, aBuf, aIndex ); |
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150 // Publish went through OK, we need to commit the transaction |
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151 if ( err == KErrNone && iTransactionStarted ) |
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152 { |
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153 iCommitNeeded = ETrue; |
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154 } |
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155 // publish failed because the ui declaration doesn't |
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156 // include this content => add to black list and |
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157 // don't try to publish again |
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158 else if ( err == KErrNotFound || err == KErrNotSupported ) |
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159 { |
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160 AddToBlackList( aContent, aIndex ); |
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161 } |
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162 return err; |
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163 |
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164 } |
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165 |
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166 |
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167 TInt CAiContentObserverOptimizer::Publish( CHsContentPublisher& aPlugin, |
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168 TInt aContent, |
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169 RFile& aFile, |
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170 TInt aIndex ) |
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171 { |
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172 if ( IsInBlackList( aContent, aIndex ) ) |
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173 { |
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174 return KErrNotFound; |
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175 } |
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176 TInt err = iObserver.Publish( aPlugin, aContent, aFile, aIndex ); |
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177 // Publish went through OK, we need to commit the transaction |
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178 if ( err == KErrNone && iTransactionStarted ) |
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179 { |
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180 iCommitNeeded = ETrue; |
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181 } |
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182 // publish failed because the ui declaration doesn't |
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183 // include this content => add to black list and |
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184 // don't try to publish again |
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185 else if ( err == KErrNotFound || err == KErrNotSupported ) |
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186 { |
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187 AddToBlackList( aContent, aIndex ); |
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188 } |
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189 return err; |
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190 } |
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191 |
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192 |
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193 TInt CAiContentObserverOptimizer::Clean( CHsContentPublisher& aPlugin, |
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194 TInt aContent, |
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195 TInt aIndex ) |
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196 { |
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197 return iObserver.Clean( aPlugin, aContent, aIndex ); |
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198 } |
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199 |
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200 MAiContentObserver& CAiContentObserverOptimizer::Observer() const |
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201 { |
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202 return iObserver; |
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203 } |
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204 |
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205 TInt CAiContentObserverOptimizer::AddToBlackList( TInt aContentId, TInt aIndex ) |
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206 { |
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207 TInt err = KErrNone; |
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208 if ( !IsInBlackList( aContentId, aIndex ) ) |
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209 { |
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210 TAiPublishBlackList entry; |
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211 entry.iContentId = aContentId; |
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212 entry.iIndex = aIndex; |
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213 err = iBlackList.Append( entry ); |
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214 } |
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215 return err; |
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216 } |
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217 |
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218 TBool CAiContentObserverOptimizer::IsInBlackList( TInt aContentId, TInt aIndex ) const |
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219 { |
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220 for (TInt i = 0; i < iBlackList.Count(); ++i ) |
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221 { |
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222 if ( iBlackList[i].iContentId == aContentId && |
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223 iBlackList[i].iIndex == aIndex ) |
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224 { |
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225 return ETrue; |
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226 } |
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227 } |
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228 return EFalse; |
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229 } |
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230 |
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231 void CAiContentObserverOptimizer::ClearBlackList() |
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232 { |
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233 iBlackList.Reset(); |
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234 } |
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235 |
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236 CAiContentObserverOptimizer::CAiContentObserverOptimizer(MAiContentObserver& aObserver): |
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237 iObserver( aObserver ) |
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238 { |
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239 } |
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240 |
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241 // end of file |