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1 /* |
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2 * Copyright (c) 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 the License "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: HG VOD class for handling thumbnail loading* |
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15 */ |
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16 |
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17 |
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18 #include "vcxnsimageconverter.h" |
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19 #include "vcxhgvodthumbnailmanager.h" |
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20 #include "vcxhgvodthumbnailobserver.h" |
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21 |
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22 // Private data class. |
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23 NONSHARABLE_CLASS( CVcxHgVodThumbnailRequest ) : public CBase |
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24 { |
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25 public: |
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26 |
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27 CVcxHgVodThumbnailRequest( MVcxHgVodThumbnailObserver& aObserver, |
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28 TSize aRequestedSize, TInt64 aClientId ) |
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29 : iObserver( aObserver ), |
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30 iRequestedSize( aRequestedSize ), |
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31 iClientId( aClientId ) |
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32 { |
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33 } |
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34 |
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35 void ConstructL( const TDesC& aThumbnailPath ) |
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36 { |
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37 iThumbnailPath = aThumbnailPath.AllocL(); |
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38 } |
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39 |
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40 ~CVcxHgVodThumbnailRequest() |
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41 { |
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42 delete iThumbnailPath; |
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43 } |
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44 |
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45 public: // data |
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46 |
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47 MVcxHgVodThumbnailObserver& iObserver; |
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48 HBufC* iThumbnailPath; |
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49 TSize iRequestedSize; |
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50 TInt64 iClientId; |
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51 |
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52 }; |
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53 |
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54 TBool CompareRequests( const CVcxHgVodThumbnailRequest& aFirst, const CVcxHgVodThumbnailRequest& aSecond ) |
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55 { |
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56 return aFirst.iClientId == aSecond.iClientId; |
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57 } |
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58 |
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59 // ----------------------------------------------------------------------------- |
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60 // CVcxHgVodThumbnailManager::~CVcxHgVodThumbnailManager() |
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61 // ----------------------------------------------------------------------------- |
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62 // |
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63 CVcxHgVodThumbnailManager::~CVcxHgVodThumbnailManager() |
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64 { |
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65 delete iImageConverter; |
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66 iRequestBuffer.ResetAndDestroy(); |
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67 } |
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68 |
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69 // ----------------------------------------------------------------------------- |
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70 // CVcxHgVodThumbnailManager::NewL() |
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71 // ----------------------------------------------------------------------------- |
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72 // |
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73 CVcxHgVodThumbnailManager* CVcxHgVodThumbnailManager::NewL( RFs& aFsSession ) |
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74 { |
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75 CVcxHgVodThumbnailManager* self = |
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76 CVcxHgVodThumbnailManager::NewLC( aFsSession ); |
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77 CleanupStack::Pop( self ); |
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78 return self; |
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79 } |
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80 |
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81 // ----------------------------------------------------------------------------- |
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82 // CVcxHgVodThumbnailManager::NewLC() |
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83 // ----------------------------------------------------------------------------- |
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84 // |
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85 CVcxHgVodThumbnailManager* CVcxHgVodThumbnailManager::NewLC( RFs& aFsSession ) |
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86 { |
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87 CVcxHgVodThumbnailManager* self = |
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88 new (ELeave) CVcxHgVodThumbnailManager(); |
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89 CleanupStack::PushL( self ); |
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90 self->ConstructL( aFsSession ); |
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91 return self; |
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92 } |
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93 |
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94 // ----------------------------------------------------------------------------- |
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95 // CVcxHgVodThumbnailManager::CVcxHgVodThumbnailManager() |
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96 // ----------------------------------------------------------------------------- |
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97 // |
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98 CVcxHgVodThumbnailManager::CVcxHgVodThumbnailManager() |
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99 { |
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100 |
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101 } |
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102 |
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103 // ----------------------------------------------------------------------------- |
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104 // CVcxHgVodThumbnailManager::ConstructL() |
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105 // ----------------------------------------------------------------------------- |
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106 // |
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107 void CVcxHgVodThumbnailManager::ConstructL( RFs& aFsSession ) |
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108 { |
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109 iImageConverter = CVcxNsImageConverter::NewL( *this, aFsSession ); |
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110 } |
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111 |
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112 // ----------------------------------------------------------------------------- |
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113 // CVcxHgVodThumbnailManager::Reset() |
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114 // ----------------------------------------------------------------------------- |
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115 // |
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116 void CVcxHgVodThumbnailManager::Reset() |
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117 { |
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118 iRequestBuffer.ResetAndDestroy(); |
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119 iImageConverter->Cancel(); |
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120 } |
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121 |
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122 // ----------------------------------------------------------------------------- |
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123 // CVcxHgVodThumbnailManager::AddThumbnailRequestL() |
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124 // ----------------------------------------------------------------------------- |
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125 // |
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126 void CVcxHgVodThumbnailManager::AddThumbnailRequestL( |
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127 MVcxHgVodThumbnailObserver& aObserver, |
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128 const TDesC& aThumbnailPath, |
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129 TSize aRequestedSize, |
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130 TInt64 aClientId ) |
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131 { |
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132 CVcxHgVodThumbnailRequest* newReq = new (ELeave) CVcxHgVodThumbnailRequest( |
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133 aObserver, aRequestedSize, aClientId ); |
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134 CleanupStack::PushL( newReq ); |
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135 newReq->ConstructL( aThumbnailPath ); |
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136 CleanupStack::Pop( newReq ); |
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137 |
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138 TInt err( KErrAlreadyExists ); |
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139 |
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140 TIdentityRelation<CVcxHgVodThumbnailRequest> relation( CompareRequests ); |
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141 |
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142 if ( iRequestBuffer.Find( newReq, relation ) == KErrNotFound ) |
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143 { |
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144 err = iRequestBuffer.Append( newReq ); |
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145 } |
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146 |
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147 if ( err != KErrNone ) |
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148 { |
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149 delete newReq; |
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150 } |
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151 else |
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152 { |
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153 if ( !(iImageConverter->IsActive()) ) |
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154 { |
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155 err = iImageConverter->StartConvertL( *(newReq->iThumbnailPath), |
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156 newReq->iRequestedSize, ETrue ); |
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157 |
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158 if ( err != KErrNone ) |
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159 { |
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160 // image cannot be converted, remove from request list |
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161 iRequestBuffer.Remove( iRequestBuffer.Count() - 1 ); |
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162 delete newReq; |
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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 |
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168 // ----------------------------------------------------------------------------- |
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169 // CVcxHgVodThumbnailManager::ImageConversionCompletedL() |
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170 // ----------------------------------------------------------------------------- |
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171 // |
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172 void CVcxHgVodThumbnailManager::ImageConversionCompletedL( |
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173 TInt aError, |
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174 CGulIcon* aIcon ) |
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175 { |
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176 if ( iRequestBuffer.Count() > 0 ) |
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177 { |
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178 CVcxHgVodThumbnailRequest* req = iRequestBuffer[0]; |
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179 iRequestBuffer.Remove( 0 ); |
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180 |
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181 if ( aError == KErrNone ) |
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182 { |
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183 req->iObserver.MvtoThumbnailReady( aIcon, req->iClientId ); |
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184 } |
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185 |
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186 delete req; |
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187 |
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188 if ( iRequestBuffer.Count() > 0 ) |
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189 { |
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190 req = iRequestBuffer[0]; |
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191 iImageConverter->StartConvertL( *(req->iThumbnailPath), req->iRequestedSize, ETrue ); |
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192 } |
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193 } |
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194 } |