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1 /* |
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2 * Copyright (c) 2008-2009 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: Media item |
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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 "glxmedia.h" |
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22 |
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23 #include <glxassert.h> |
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24 #include <glxthumbnailattributeinfo.h> |
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25 #include <mpxmediacollectiondetaildefs.h> |
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26 #include <mpxmediadrmdefs.h> |
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27 #include <e32math.h> |
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28 #include <lbsposition.h> // for TCoordinate |
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29 |
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30 #include "glxcollectiongeneraldefs.h" |
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31 #include "glxmediastaticitemdefs.h" |
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32 #include "glxthumbnailutility.h" |
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33 #include <glxtracer.h> //For logging |
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34 |
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35 // ----------------------------------------------------------------------------- |
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36 // Constructor |
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37 // ----------------------------------------------------------------------------- |
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38 // |
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39 TGlxMedia::TGlxMedia( CGlxMedia& aMedia ) |
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40 { |
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41 TRACER("TGlxMedia::Default Constructor"); |
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42 |
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43 __ASSERT_DEBUG ( aMedia.Id() != KGlxIdNone, Panic( EGlxPanicIllegalArgument ) ); // Must have an id defined, |
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44 iId = aMedia.Id(); |
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45 iItem = &aMedia; |
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46 } |
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47 |
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48 // ----------------------------------------------------------------------------- |
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49 // Compare two media items by id |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 EXPORT_C TBool TGlxMedia::MatchById(const TGlxMedia& aMedia1, const TGlxMedia& aMedia2) |
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53 { |
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54 TRACER("TGlxMedia::MatchById"); |
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55 |
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56 return aMedia1.iId == aMedia2.iId; |
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57 } |
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58 |
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59 // ----------------------------------------------------------------------------- |
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60 // Tests to see if the Media is a static |
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61 // ----------------------------------------------------------------------------- |
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62 |
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63 EXPORT_C TBool TGlxMedia::IsStatic() const |
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64 { |
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65 TRACER("TGlxMedia::IsStatic"); |
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66 |
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67 if ( iItem ) |
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68 { |
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69 return iItem->IsSupported( KGlxMediaStaticItem ); |
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70 } |
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71 |
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72 return EFalse; |
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73 } |
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74 |
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75 // ----------------------------------------------------------------------------- |
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76 // Gets the command associated with a static item |
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77 // ----------------------------------------------------------------------------- |
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78 EXPORT_C TBool TGlxMedia::GetStaticItemCommand(TInt& aCmd) const |
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79 { |
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80 TRACER("TGlxMedia::GetStaticItemCommand"); |
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81 |
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82 if ( iItem ) |
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83 { |
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84 TMPXAttribute attrib(KGlxMediaIdStaticItem, |
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85 KGlxMediaStaticItemCommand); |
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86 return iItem->GetValueTObject( aCmd, attrib ); |
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87 } |
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88 // by default the cmd value is not changed |
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89 return EFalse; |
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90 } |
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91 |
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92 // ----------------------------------------------------------------------------- |
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93 // Gets the date |
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94 // ----------------------------------------------------------------------------- |
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95 EXPORT_C TBool TGlxMedia::GetDate(TTime& aDate) const |
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96 { |
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97 TRACER("TGlxMedia::GetDate"); |
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98 |
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99 if ( iItem ) |
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100 { |
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101 return iItem->GetValueTObject( aDate, KMPXMediaGeneralDate ); |
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102 } |
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103 // by default the date is not changed |
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104 return EFalse; |
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105 } |
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106 |
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107 // ----------------------------------------------------------------------------- |
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108 // Gets the last modified date |
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109 // ----------------------------------------------------------------------------- |
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110 EXPORT_C TBool TGlxMedia::GetLastModifiedDate(TTime& aDate) const |
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111 { |
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112 TRACER("TGlxMedia::GetLastModifiedDate"); |
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113 |
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114 if ( iItem ) |
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115 { |
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116 return iItem->GetValueTObject( aDate, KGlxMediaGeneralLastModifiedDate ); |
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117 } |
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118 // by default the date is not changed |
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119 return EFalse; |
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120 } |
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121 |
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122 // ----------------------------------------------------------------------------- |
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123 // Gets the general category |
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124 // ----------------------------------------------------------------------------- |
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125 EXPORT_C TMPXGeneralCategory TGlxMedia::Category() const |
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126 { |
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127 TRACER("TGlxMedia::Category"); |
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128 |
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129 TMPXGeneralCategory cat = EMPXNoCategory; |
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130 if ( iItem ) |
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131 { |
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132 // if this fails cat will remain as EMPXNoCategory |
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133 iItem->GetValueTObject( cat, KMPXMediaGeneralCategory ); |
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134 } |
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135 return cat; |
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136 } |
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137 |
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138 // ----------------------------------------------------------------------------- |
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139 // Gets the dimensions |
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140 // ----------------------------------------------------------------------------- |
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141 EXPORT_C TBool TGlxMedia::GetDimensions(TSize& aSize) const |
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142 { |
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143 TRACER("TGlxMedia::GetDimensions"); |
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144 |
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145 if ( iItem ) |
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146 { |
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147 return iItem->GetValueTObject( aSize, KGlxMediaGeneralDimensions ); |
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148 } |
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149 // by default the size is not changed |
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150 return EFalse; |
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151 } |
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152 |
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153 // ----------------------------------------------------------------------------- |
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154 // Gets the (file) size |
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155 // ----------------------------------------------------------------------------- |
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156 EXPORT_C TBool TGlxMedia::GetSize(TInt& aSize) const |
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157 { |
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158 TRACER("TGlxMedia::GetSize"); |
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159 |
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160 if ( iItem ) |
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161 { |
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162 return iItem->GetValueTObject( aSize, KMPXMediaGeneralSize ); |
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163 } |
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164 // by default the size is not changed |
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165 return EFalse; |
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166 } |
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167 |
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168 // ----------------------------------------------------------------------------- |
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169 // Gets the duration |
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170 // ----------------------------------------------------------------------------- |
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171 EXPORT_C TBool TGlxMedia::GetDuration(TReal32& aDuration) const |
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172 { |
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173 TRACER("TGlxMedia::GetDuration"); |
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174 |
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175 if ( iItem ) |
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176 { |
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177 return iItem->GetValueTObject( aDuration, KMPXMediaGeneralDuration ); |
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178 } |
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179 // by default the duration is not changed |
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180 return EFalse; |
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181 } |
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182 |
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183 // ----------------------------------------------------------------------------- |
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184 // Gets the frame count |
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185 // ----------------------------------------------------------------------------- |
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186 EXPORT_C TBool TGlxMedia::GetFrameCount(TInt& aFrameCount) const |
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187 { |
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188 TRACER("TGlxMedia::GetFrameCount"); |
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189 |
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190 if ( iItem ) |
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191 { |
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192 return iItem->GetValueTObject( aFrameCount, KGlxMediaGeneralFramecount ); |
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193 } |
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194 // by default the frame count is not changed |
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195 return EFalse; |
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196 } |
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197 |
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198 // ----------------------------------------------------------------------------- |
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199 // Gets the general count |
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200 // ----------------------------------------------------------------------------- |
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201 EXPORT_C TBool TGlxMedia::GetContainedItemCount(TInt& aGeneralCount) const |
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202 { |
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203 TRACER("TGlxMedia::GetContainedItemCount"); |
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204 |
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205 if ( iItem ) |
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206 { |
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207 return iItem->GetValueTObject( aGeneralCount, KMPXMediaGeneralCount ); |
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208 } |
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209 // by default the frame count is not changed |
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210 return EFalse; |
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211 } |
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212 |
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213 // ----------------------------------------------------------------------------- |
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214 // Gets the general count |
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215 // ----------------------------------------------------------------------------- |
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216 EXPORT_C TBool TGlxMedia::GetSlideshowPlayableContainedItemCount(TInt& aGeneralCount) const |
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217 { |
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218 TRACER("TGlxMedia::GetSlideshowPlayableContainedItemCount"); |
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219 |
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220 if ( iItem ) |
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221 { |
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222 return iItem->GetValueTObject( aGeneralCount, KGlxMediaGeneralSlideshowableContent ); |
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223 } |
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224 // by default the frame count is not changed |
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225 return EFalse; |
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226 } |
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227 |
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228 // ----------------------------------------------------------------------------- |
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229 // Gets the coordinate value |
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230 // ----------------------------------------------------------------------------- |
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231 EXPORT_C TBool TGlxMedia::GetCoordinate(TCoordinate& aCoordinate) const |
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232 { |
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233 TRACER("TGlxMedia::GetCoordinate"); |
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234 |
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235 TBool isSupported = EFalse; |
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236 |
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237 if ( iItem ) |
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238 { |
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239 if (iItem->GetValueTObject( aCoordinate, KGlxMediaGeneralLocation )) |
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240 { |
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241 isSupported = ETrue; |
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242 if ( Math::IsNaN( aCoordinate.Latitude() ) || |
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243 Math::IsNaN( aCoordinate.Longitude() ) || |
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244 aCoordinate.Datum() != KPositionDatumWgs84 ) |
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245 { |
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246 isSupported = EFalse; |
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247 } |
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248 } |
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249 } |
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250 // by default the coodinate is not changed |
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251 return isSupported; |
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252 } |
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253 |
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254 // ----------------------------------------------------------------------------- |
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255 // Gets the IconInfo |
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256 // ----------------------------------------------------------------------------- |
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257 EXPORT_C TBool TGlxMedia::GetIconInfo(TIconInfo& aInfo) const |
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258 { |
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259 TRACER("TGlxMedia::GetIconInfo"); |
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260 |
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261 if ( iItem ) |
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262 { |
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263 return iItem->GetValueTObject( aInfo, KMPXMediaGeneralIcon ); |
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264 } |
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265 // by default aInfo is not changed |
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266 return EFalse; |
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267 } |
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268 |
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269 // ----------------------------------------------------------------------------- |
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270 // Returns the DRM protection indication - defaults to ETrue if not found |
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271 // ----------------------------------------------------------------------------- |
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272 EXPORT_C TBool TGlxMedia::IsDrmProtected() const |
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273 { |
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274 TRACER("TGlxMedia::IsDrmProtected"); |
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275 |
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276 TBool isDrmProtected = ETrue; |
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277 if ( iItem ) |
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278 { |
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279 // ignore return value. Failure leaves isDrmProtected unchanged as ETrue |
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280 iItem->GetValueTObject( isDrmProtected, KMPXMediaDrmProtected ); |
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281 } |
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282 // by default is protected |
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283 return isDrmProtected; |
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284 } |
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285 |
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286 // ----------------------------------------------------------------------------- |
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287 // Gets the DRM protection |
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288 // ----------------------------------------------------------------------------- |
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289 EXPORT_C TBool TGlxMedia::GetDrmProtected(TBool& aIsProtected) const |
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290 { |
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291 TRACER("TGlxMedia::GetDrmProtected"); |
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292 |
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293 if ( iItem ) |
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294 { |
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295 return iItem->GetValueTObject( aIsProtected, |
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296 KMPXMediaDrmProtected ); |
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297 } |
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298 // by default aIsProtected is not changed |
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299 return EFalse; |
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300 } |
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301 |
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302 // ----------------------------------------------------------------------------- |
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303 // Gets the DRM protection |
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304 // ----------------------------------------------------------------------------- |
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305 EXPORT_C TBool TGlxMedia::GetDrmValidity(TGlxMediaGeneralRightsValidity& aIsValid) const |
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306 { |
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307 if ( iItem ) |
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308 { |
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309 return iItem->GetValueTObject( aIsValid, |
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310 KGlxMediaGeneralDRMRightsValid ); |
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311 } |
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312 // by default aIsValid is not changed |
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313 return EFalse; |
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314 } |
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315 |
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316 // ----------------------------------------------------------------------------- |
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317 // Gets the System Item indicator |
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318 // ----------------------------------------------------------------------------- |
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319 EXPORT_C TBool TGlxMedia::GetSystemItem(TBool& aIsSystemItem) const |
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320 { |
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321 TRACER("TGlxMedia::GetSystemItem"); |
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322 |
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323 if ( iItem ) |
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324 { |
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325 return iItem->GetValueTObject( aIsSystemItem, |
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326 KGlxMediaGeneralSystemItem ); |
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327 } |
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328 // by default aIsSystemItem is not changed |
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329 return EFalse; |
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330 } |
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331 |
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332 // ----------------------------------------------------------------------------- |
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333 // Gets the title |
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334 // ----------------------------------------------------------------------------- |
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335 EXPORT_C const TDesC& TGlxMedia::Title() const |
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336 { |
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337 TRACER("TGlxMedia::Title"); |
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338 |
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339 if ( iItem ) |
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340 { |
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341 return iItem->ValueText( KMPXMediaGeneralTitle ); |
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342 } |
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343 return KNullDesC; |
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344 } |
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345 |
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346 // ----------------------------------------------------------------------------- |
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347 // Gets the subtitle |
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348 // ----------------------------------------------------------------------------- |
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349 EXPORT_C const TDesC& TGlxMedia::SubTitle() const |
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350 { |
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351 TRACER("TGlxMedia::SubTitle"); |
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352 |
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353 if ( iItem ) |
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354 { |
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355 return iItem->ValueText( KGlxMediaCollectionPluginSpecificSubTitle ); |
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356 } |
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357 return KNullDesC; |
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358 } |
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359 |
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360 |
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361 // ----------------------------------------------------------------------------- |
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362 // Gets the comment |
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363 // ----------------------------------------------------------------------------- |
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364 EXPORT_C const TDesC& TGlxMedia::Comment() const |
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365 { |
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366 TRACER("TGlxMedia::Comment"); |
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367 |
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368 if ( iItem ) |
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369 { |
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370 return iItem->ValueText( KMPXMediaGeneralComment ); |
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371 } |
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372 return KNullDesC; |
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373 } |
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374 |
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375 // ----------------------------------------------------------------------------- |
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376 // Gets the URI indicating the success in the return value |
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377 // ----------------------------------------------------------------------------- |
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378 EXPORT_C const TDesC& TGlxMedia::Uri() const |
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379 { |
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380 TRACER("TGlxMedia::Uri"); |
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381 |
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382 if( iItem ) |
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383 { |
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384 return iItem->ValueText( KMPXMediaGeneralUri); |
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385 } |
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386 // by default descriptor pointer is unchanged |
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387 return KNullDesC; |
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388 } |
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389 |
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390 // ----------------------------------------------------------------------------- |
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391 // Gets the MimeType indicating the success in the return value |
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392 // ----------------------------------------------------------------------------- |
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393 EXPORT_C const TDesC& TGlxMedia::MimeType() const |
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394 { |
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395 TRACER("TGlxMedia::MimeType"); |
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396 |
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397 if( iItem ) |
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398 { |
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399 return iItem->ValueText( KMPXMediaGeneralMimeType); |
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400 } |
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401 // by default descriptor pointer is unchanged |
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402 return KNullDesC; |
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403 } |
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404 |
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405 |
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406 // ----------------------------------------------------------------------------- |
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407 // Gets a thumbnail attribute |
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408 // ----------------------------------------------------------------------------- |
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409 EXPORT_C const CGlxThumbnailAttribute* TGlxMedia::ThumbnailAttribute( |
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410 TMPXAttribute& aAttribute) const |
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411 { |
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412 TRACER("TGlxMedia::ThumbnailAttribute"); |
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413 |
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414 if( iItem && KGlxMediaIdThumbnail == aAttribute.ContentId() ) |
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415 { |
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416 return static_cast<const CGlxThumbnailAttribute*> |
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417 ( iItem->ValueCObject(aAttribute) ); |
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418 } |
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419 else |
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420 { |
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421 return NULL; |
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422 } |
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423 } |
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424 |
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425 // --------------------------------------------------------------------------- |
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426 // GetClosestThumbnail |
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427 // --------------------------------------------------------------------------- |
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428 // |
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429 EXPORT_C TBool TGlxMedia::GetClosestThumbnail( TMPXAttribute& aAttribute, |
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430 const TSize& aDesiredSize, TBool aDrmValid ) const |
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431 { |
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432 TRACER("TGlxMedia::GetClosestThumbnail"); |
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433 |
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434 if ( iItem ) |
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435 { |
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436 TInt index = GlxThumbnailUtility::ClosestThumbnail( aDesiredSize, |
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437 *iItem, aDrmValid ); |
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438 |
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439 if ( index >= 0 ) |
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440 { |
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441 aAttribute = iItem->Attribute(index); |
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442 |
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443 return ETrue; |
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444 } |
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445 } |
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446 |
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447 return EFalse; |
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448 } |
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449 |
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450 // ----------------------------------------------------------------------------- |
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451 // Is the media playable in slideshow |
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452 // ----------------------------------------------------------------------------- |
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453 // |
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454 EXPORT_C TBool TGlxMedia::IsSlideShowPlayableContent() const |
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455 { |
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456 TRACER("TGlxMedia::IsSlideShowPlayableContent"); |
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457 |
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458 if (iItem) |
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459 { |
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460 // Only DRM protected images are allowed |
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461 if (iItem->IsSupported(KMPXMediaGeneralCategory) && |
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462 iItem->IsSupported(KMPXMediaDrmProtected) && |
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463 iItem->IsSupported(KGlxMediaGeneralFramecount)) |
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464 { |
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465 if (iItem->ValueTObject<TInt>(KMPXMediaGeneralCategory) == EMPXImage && |
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466 !iItem->ValueTObject<TInt>(KMPXMediaDrmProtected) && |
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467 iItem->ValueTObject<TInt>(KGlxMediaGeneralFramecount) == 1) |
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468 { |
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469 return ETrue; |
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470 } |
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471 } |
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472 // The media item is either not DRM protected, a video or an animated gif |
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473 } |
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474 return EFalse; |
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475 } |
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476 |
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477 // ----------------------------------------------------------------------------- |
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478 // Returns the IdSpaceId associated with the media |
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479 // ----------------------------------------------------------------------------- |
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480 // |
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481 EXPORT_C TGlxIdSpaceId TGlxMedia::IdSpaceId() const |
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482 { |
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483 TRACER("TGlxMedia::IdSpaceId"); |
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484 |
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485 TGlxIdSpaceId idSpaceId( KGlxIdNone ); |
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486 |
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487 if ( iItem ) |
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488 { |
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489 iItem->GetValueTObject( idSpaceId, KMPXMediaColDetailSpaceId ); |
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490 } |
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491 |
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492 return idSpaceId; |
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493 } |
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494 |
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495 // ----------------------------------------------------------------------------- |
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496 // Set media pointer |
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497 // ----------------------------------------------------------------------------- |
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498 // |
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499 void TGlxMedia::SetMedia( CGlxMedia* aMedia, MGlxMediaUser& aMediaUser, TInt aIndex ) |
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500 { |
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501 TRACER("TGlxMedia::SetMedia"); |
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502 |
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503 __ASSERT_DEBUG( aMedia == NULL || !iItem , Panic(EGlxPanicAlreadyInitialised ) ); // Already has media |
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504 if ( aMedia ) |
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505 { |
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506 // Media object being added |
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507 aMedia->AddUser( aMediaUser, aIndex ); |
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508 } |
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509 else if ( iItem ) |
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510 { |
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511 // Media object being set to null, remove since old media object exists |
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512 iItem->RemoveUser( aMediaUser ); |
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513 } |
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514 iItem = aMedia; |
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515 } |
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516 |
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517 // ----------------------------------------------------------------------------- |
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518 // Update media |
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519 // ----------------------------------------------------------------------------- |
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520 // |
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521 void TGlxMedia::UpdateMedia( MGlxMediaUser& aMediaUser, TInt aIndex ) |
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522 { |
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523 TRACER("TGlxMedia::UpdateMedia"); |
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524 |
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525 if ( iItem ) |
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526 { |
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527 iItem->UpdateUser( aMediaUser, aIndex ); |
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528 } |
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529 } |
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530 |
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531 // ----------------------------------------------------------------------------- |
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532 // Constructor |
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533 // ----------------------------------------------------------------------------- |
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534 // |
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535 EXPORT_C CGlxMedia::CGlxMedia(const TGlxMediaId& aId) |
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536 : iId(aId), iUsers(2) // On average, two list as users assumed |
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537 { |
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538 TRACER("CGlxMedia::Default Constructor"); |
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539 } |
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540 |
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541 // ----------------------------------------------------------------------------- |
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542 // Destructor |
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543 // ----------------------------------------------------------------------------- |
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544 // |
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545 EXPORT_C CGlxMedia::~CGlxMedia() |
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546 { |
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547 TRACER("CGlxMedia::Destructor"); |
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548 |
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549 iUsers.Close(); |
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550 |
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551 Reset(); |
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552 iValues.Close(); |
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553 iAttributes.Close(); |
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554 } |
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555 |
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556 // ----------------------------------------------------------------------------- |
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557 // Make space in the array of users, so can safely append later |
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558 // ----------------------------------------------------------------------------- |
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559 // |
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560 void CGlxMedia::ReserveUsersL(TInt aReservationCount) |
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561 { |
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562 TRACER("CGlxMedia::ReserveUsersL"); |
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563 |
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564 iUsers.ReserveL( aReservationCount ); |
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565 __DEBUG_ONLY( _iUserReservationCount = aReservationCount ); |
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566 } |
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567 |
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568 // ----------------------------------------------------------------------------- |
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569 // Adds a user to the list |
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570 // ----------------------------------------------------------------------------- |
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571 // |
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572 void CGlxMedia::AddUser( MGlxMediaUser& aUser, TInt aIndex ) |
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573 { |
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574 TRACER("CGlxMedia::AddUser"); |
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575 |
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576 // Must not exist already |
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577 __ASSERT_DEBUG( !IsUser( aUser ), Panic( EGlxPanicAlreadyAdded ) ); |
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578 // Client must have made a reservation before calling |
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579 __ASSERT_DEBUG( _iUserReservationCount > 0, Panic( EGlxPanicLogicError ) ); |
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580 |
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581 __DEBUG_ONLY( _iUserReservationCount-- ); |
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582 |
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583 iUsers.Append( TMediaUser( &aUser, aIndex ) ); // Ignore error, cannot fail since reservation made |
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584 } |
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585 |
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586 // ----------------------------------------------------------------------------- |
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587 // RemoveUser |
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588 // ----------------------------------------------------------------------------- |
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589 // |
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590 void CGlxMedia::RemoveUser( const MGlxMediaUser& aUser ) |
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591 { |
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592 TRACER("CGlxMedia::RemoveUser"); |
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593 |
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594 TMediaUser mediaUser( const_cast<MGlxMediaUser*>( &aUser ) ); |
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595 TInt index = iUsers.Find( mediaUser, &TMediaUser::MatchUser ); |
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596 if ( KErrNotFound != index ) |
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597 { |
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598 iUsers.Remove( index ); |
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599 } |
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600 } |
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601 |
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602 // ----------------------------------------------------------------------------- |
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603 // IsUser |
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604 // ----------------------------------------------------------------------------- |
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605 // |
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606 TBool CGlxMedia::IsUser( const MGlxMediaUser& aUser ) const |
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607 { |
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608 TRACER("CGlxMedia::IsUser"); |
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609 |
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610 TMediaUser mediaUser( const_cast<MGlxMediaUser*>( &aUser ) ); |
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611 return ( KErrNotFound != iUsers.Find( mediaUser, &TMediaUser::MatchUser ) ); |
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612 } |
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613 |
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614 // ----------------------------------------------------------------------------- |
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615 // Return user by index |
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616 // ----------------------------------------------------------------------------- |
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617 // |
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618 MGlxMediaUser& CGlxMedia::User( TInt aIndex ) const |
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619 { |
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620 TRACER("CGlxMedia::User"); |
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621 |
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622 return *( iUsers[ aIndex ].iMediaUser ); |
|
623 } |
|
624 |
|
625 // ----------------------------------------------------------------------------- |
|
626 // Return index in the media list user |
|
627 // ----------------------------------------------------------------------------- |
|
628 // |
|
629 TInt CGlxMedia::IndexInUser(TInt aIndex) const |
|
630 { |
|
631 TRACER("CGlxMedia::IndexInUser"); |
|
632 |
|
633 return iUsers[ aIndex ].iIndex; |
|
634 } |
|
635 |
|
636 // ----------------------------------------------------------------------------- |
|
637 // Update index in the media list user |
|
638 // ----------------------------------------------------------------------------- |
|
639 // |
|
640 void CGlxMedia::UpdateUser( MGlxMediaUser& aUser, TInt aIndex ) |
|
641 { |
|
642 TRACER("CGlxMedia::UpdateUser"); |
|
643 |
|
644 TMediaUser mediaUser( &aUser ); |
|
645 TInt index = iUsers.Find( mediaUser, &TMediaUser::MatchUser ); |
|
646 if ( KErrNotFound != index ) |
|
647 { |
|
648 iUsers[ index ].iIndex = aIndex; |
|
649 } |
|
650 } |
|
651 |
|
652 // ----------------------------------------------------------------------------- |
|
653 // Return the number of users |
|
654 // ----------------------------------------------------------------------------- |
|
655 // |
|
656 TInt CGlxMedia::UserCount() const |
|
657 { |
|
658 TRACER("CGlxMedia::UserCount"); |
|
659 |
|
660 return iUsers.Count(); |
|
661 } |
|
662 |
|
663 // ----------------------------------------------------------------------------- |
|
664 // The value for a specific attribute |
|
665 // ----------------------------------------------------------------------------- |
|
666 // |
|
667 EXPORT_C const TDesC& CGlxMedia::ValueText(const TMPXAttribute& aAttribute) const |
|
668 { |
|
669 TRACER("CGlxMedia::ValueText"); |
|
670 |
|
671 TInt i = Index(aAttribute); |
|
672 HBufC* ptr = NULL; |
|
673 if (i == KErrNotFound) |
|
674 { |
|
675 return KNullDesC; |
|
676 } |
|
677 |
|
678 // __ASSERT_DEBUG(EMPXTypeText == iValues[i].iType, |
|
679 // Panic(EGlxPanicWrongAttributeType)); |
|
680 if(EMPXTypeText == iValues[i].iType) |
|
681 { |
|
682 ptr = reinterpret_cast<HBufC*>(iValues[i].iValue); |
|
683 __ASSERT_DEBUG(ptr != NULL, Panic(EGlxPanicNullPointer)); |
|
684 } |
|
685 |
|
686 return *ptr; |
|
687 } |
|
688 |
|
689 // ----------------------------------------------------------------------------- |
|
690 // The text from a specific attribute, indicating success |
|
691 // ----------------------------------------------------------------------------- |
|
692 // |
|
693 EXPORT_C TBool CGlxMedia::GetValueText(TPtrC& aText, |
|
694 const TMPXAttribute& aAttribute) const |
|
695 { |
|
696 TRACER("CGlxMedia::GetValueText"); |
|
697 |
|
698 TInt i = Index(aAttribute); |
|
699 if (i == KErrNotFound) |
|
700 { |
|
701 // leave aText unchanged |
|
702 return EFalse; |
|
703 } |
|
704 |
|
705 __ASSERT_DEBUG(EMPXTypeText == iValues[i].iType, |
|
706 Panic(EGlxPanicWrongAttributeType)); |
|
707 HBufC* ptr = reinterpret_cast<HBufC*>(iValues[i].iValue); |
|
708 __ASSERT_DEBUG(ptr != NULL, Panic(EGlxPanicNullPointer)); |
|
709 aText.Set(*ptr); |
|
710 return ETrue; |
|
711 } |
|
712 |
|
713 // ----------------------------------------------------------------------------- |
|
714 // The value for a specific attribute |
|
715 // ----------------------------------------------------------------------------- |
|
716 // |
|
717 EXPORT_C const CBase* CGlxMedia::ValueCObject(const TMPXAttribute& aAttribute) const |
|
718 { |
|
719 TRACER("CGlxMedia::ValueCObject"); |
|
720 |
|
721 TInt i = Index(aAttribute); |
|
722 if (i == KErrNotFound) |
|
723 { |
|
724 return NULL; |
|
725 } |
|
726 |
|
727 __ASSERT_DEBUG(EMPXTypeCObject == iValues[i].iType, |
|
728 Panic(EGlxPanicWrongAttributeType)); |
|
729 CBase* ptr = reinterpret_cast<CBase*>(iValues[i].iValue); |
|
730 __ASSERT_DEBUG(ptr != NULL, Panic(EGlxPanicNullPointer)); |
|
731 return ptr; |
|
732 } |
|
733 |
|
734 // ----------------------------------------------------------------------------- |
|
735 // Clears all the attributes and values |
|
736 // ----------------------------------------------------------------------------- |
|
737 // |
|
738 EXPORT_C void CGlxMedia::Reset() |
|
739 { |
|
740 TRACER("CGlxMedia::Reset"); |
|
741 |
|
742 // Delete attribute values |
|
743 TInt count = iValues.Count(); |
|
744 __ASSERT_DEBUG(iAttributes.Count() == count, Panic(EGlxPanicLogicError)); |
|
745 for (TInt i = 0; i < count; i++) |
|
746 { |
|
747 Delete(iValues[i]); |
|
748 } |
|
749 |
|
750 // Remove also attributes and pointers to values |
|
751 iValues.Reset(); |
|
752 iAttributes.Reset(); |
|
753 } |
|
754 |
|
755 // ----------------------------------------------------------------------------- |
|
756 // Deletes the value |
|
757 // ----------------------------------------------------------------------------- |
|
758 // |
|
759 void CGlxMedia::Delete(TValue& aValue) |
|
760 { |
|
761 TRACER("CGlxMedia::Delete"); |
|
762 |
|
763 TMPXAttributeType type = aValue.iType; |
|
764 if (type == EMPXTypeText) |
|
765 { |
|
766 delete reinterpret_cast<HBufC*>(aValue.iValue); |
|
767 } |
|
768 else if (type == EMPXTypeCObject) |
|
769 { |
|
770 delete reinterpret_cast<CBase*>(aValue.iValue); |
|
771 } |
|
772 else if (type == EMPXTypeTObject) |
|
773 { |
|
774 User::Free(aValue.iValue); |
|
775 } |
|
776 } |
|
777 |
|
778 // ----------------------------------------------------------------------------- |
|
779 // Sets or modifies the value |
|
780 // ----------------------------------------------------------------------------- |
|
781 // |
|
782 EXPORT_C void CGlxMedia::SetTextValueL(const TMPXAttribute& aAttribute, |
|
783 const TDesC& aValue) |
|
784 { |
|
785 TRACER("CGlxMedia::SetTextValueL"); |
|
786 |
|
787 // Allocate first for leave safely |
|
788 HBufC* buf = aValue.AllocLC(); |
|
789 |
|
790 TInt i = Index(aAttribute); |
|
791 if (i != KErrNotFound) |
|
792 { |
|
793 // Replace the existing value |
|
794 TValue& value = iValues[i]; |
|
795 Delete(value); |
|
796 |
|
797 value.iValue = buf; |
|
798 value.iType = EMPXTypeText; |
|
799 } |
|
800 else |
|
801 { |
|
802 iValues.AppendL(TValue(buf, EMPXTypeText)); |
|
803 TInt err = iAttributes.Append(aAttribute); |
|
804 if (err != KErrNone) |
|
805 { |
|
806 // Failed, undo the append |
|
807 iValues.Remove(iValues.Count() - 1); |
|
808 User::Leave(err); |
|
809 } |
|
810 } |
|
811 |
|
812 CleanupStack::Pop(buf); |
|
813 } |
|
814 |
|
815 // ----------------------------------------------------------------------------- |
|
816 // Sets or modifies the value |
|
817 // ----------------------------------------------------------------------------- |
|
818 // |
|
819 EXPORT_C void CGlxMedia::SetCObjectValueL(const TMPXAttribute& aAttribute, |
|
820 CBase* aValue_TakesOwnership) |
|
821 { |
|
822 TRACER("CGlxMedia::SetCObjectValueL"); |
|
823 |
|
824 TInt i = Index(aAttribute); |
|
825 if (i != KErrNotFound) |
|
826 { |
|
827 // Replace the existing value |
|
828 TValue& value = iValues[i]; |
|
829 Delete(value); |
|
830 |
|
831 value.iValue = aValue_TakesOwnership; |
|
832 value.iType = EMPXTypeCObject; |
|
833 } |
|
834 else |
|
835 { |
|
836 iValues.AppendL(TValue(aValue_TakesOwnership, EMPXTypeCObject)); |
|
837 TInt err = iAttributes.Append(aAttribute); |
|
838 if (err != KErrNone) |
|
839 { |
|
840 // Failed, undo the append |
|
841 iValues.Remove(iValues.Count() - 1); |
|
842 User::Leave(err); |
|
843 } |
|
844 } |
|
845 } |
|
846 |
|
847 // ----------------------------------------------------------------------------- |
|
848 // DeleteAttribute |
|
849 // ----------------------------------------------------------------------------- |
|
850 // |
|
851 EXPORT_C void CGlxMedia::DeleteAttribute(const TMPXAttribute& aAttribute) |
|
852 { |
|
853 TRACER("CGlxMedia::DeleteAttribute"); |
|
854 |
|
855 TInt index = Index( aAttribute ); |
|
856 if ( KErrNotFound != index ) |
|
857 { |
|
858 DeleteAttribute( index ); |
|
859 } |
|
860 } |
|
861 |
|
862 // ----------------------------------------------------------------------------- |
|
863 // AttributeTypeId |
|
864 // ----------------------------------------------------------------------------- |
|
865 // |
|
866 TMPXAttributeType CGlxMedia::AttributeTypeId(const TMPXAttribute& aAttribute) const |
|
867 { |
|
868 TRACER("CGlxMedia::AttributeTypeId"); |
|
869 |
|
870 TMPXAttributeType type(EMPXTypeUnknown); |
|
871 TInt index(Index(aAttribute)); |
|
872 if( index != KErrNotFound) |
|
873 { |
|
874 return iValues[index].iType; |
|
875 } |
|
876 return type; |
|
877 |
|
878 } |
|
879 // ----------------------------------------------------------------------------- |
|
880 // DeleteAttribute |
|
881 // ----------------------------------------------------------------------------- |
|
882 // |
|
883 void CGlxMedia::DeleteAttribute( TInt aAttributeIndex ) |
|
884 { |
|
885 TRACER("CGlxMedia::DeleteAttribute"); |
|
886 |
|
887 GLX_ASSERT_DEBUG( 0 <= aAttributeIndex && aAttributeIndex < iValues.Count(), |
|
888 Panic(EGlxPanicIllegalArgument), "deleting attribute out of bounds"); |
|
889 |
|
890 // Delete the existing value |
|
891 TValue& value = iValues[aAttributeIndex]; |
|
892 Delete( value ); |
|
893 iValues.Remove( aAttributeIndex ); |
|
894 iAttributes.Remove( aAttributeIndex ); |
|
895 } |
|
896 |
|
897 // ----------------------------------------------------------------------------- |
|
898 // Handles modification of item |
|
899 // ----------------------------------------------------------------------------- |
|
900 EXPORT_C void CGlxMedia::HandleModified(const RArray<TMPXAttribute>& aAttributes) |
|
901 { |
|
902 TRACER("CGlxMedia::HandleModified"); |
|
903 |
|
904 TInt attributeCount = aAttributes.Count(); |
|
905 if (attributeCount > 0) |
|
906 { |
|
907 // Remove specified attributes |
|
908 for (TInt count = 0; count < attributeCount; ++count) |
|
909 { |
|
910 DeleteAttribute(aAttributes[count]); |
|
911 } |
|
912 } |
|
913 else |
|
914 { |
|
915 // Remove all attributes |
|
916 Reset(); |
|
917 } |
|
918 } |
|
919 |
|
920 // ----------------------------------------------------------------------------- |
|
921 // Sets generic TAny* value |
|
922 // ----------------------------------------------------------------------------- |
|
923 EXPORT_C void CGlxMedia::SetValueL(const TMPXAttribute& aAttribute, TAny* aValue, TMPXAttributeType aType) |
|
924 { |
|
925 TRACER("CGlxMedia::SetValueL"); |
|
926 |
|
927 TInt i = Index(aAttribute); |
|
928 if (KErrNotFound != i) |
|
929 { |
|
930 // Replace the existing value |
|
931 TValue& value = iValues[i]; |
|
932 Delete(value); |
|
933 |
|
934 value.iValue = aValue; // Takes ownership |
|
935 value.iType = aType; |
|
936 } |
|
937 else |
|
938 { |
|
939 TInt err = iValues.Append(TValue(aValue, aType)); |
|
940 |
|
941 // If appended value ok, try to append the attribute. |
|
942 if (KErrNone == err) |
|
943 { |
|
944 err = iAttributes.Append(aAttribute); |
|
945 if (err != KErrNone) |
|
946 { |
|
947 // Failed, undo the append |
|
948 iValues.Remove(iValues.Count() - 1); |
|
949 } |
|
950 } |
|
951 |
|
952 if (KErrNone != err) |
|
953 { |
|
954 User::Free(aValue); |
|
955 User::Leave(err); |
|
956 } |
|
957 } |
|
958 } |
|
959 |
|
960 |
|
961 // --------------------------------------------------------------------------- |
|
962 // Find match by MGlxMediaUser |
|
963 // --------------------------------------------------------------------------- |
|
964 // |
|
965 TBool CGlxMedia::TMediaUser::MatchUser(const TMediaUser& aUser1, const TMediaUser& aUser2) |
|
966 { |
|
967 TRACER("CGlxMedia::TMediaUser::MatchUser"); |
|
968 |
|
969 return aUser1.iMediaUser == aUser2.iMediaUser; |
|
970 } |
|
971 |
|
972 // ----------------------------------------------------------------------------- |
|
973 // Constructor |
|
974 // ----------------------------------------------------------------------------- |
|
975 // |
|
976 CGlxMedia::TMediaUser::TMediaUser(MGlxMediaUser* aMediaUser, TInt aIndex) : |
|
977 iMediaUser( aMediaUser ), |
|
978 iIndex( aIndex ) |
|
979 { |
|
980 TRACER("CGlxMedia::TMediaUser::Default Constructor"); |
|
981 |
|
982 } |
|
983 |
|
984 // --------------------------------------------------------------------------- |
|
985 // Test invariant |
|
986 // --------------------------------------------------------------------------- |
|
987 void CGlxMedia::__DbgTestInvariant() const |
|
988 { |
|
989 TRACER("CGlxMedia::__DbgTestInvariant"); |
|
990 |
|
991 #ifdef _DEBUG |
|
992 |
|
993 __ASSERT_DEBUG( Id() != KGlxIdNone, Panic(EGlxPanicIllegalState)); |
|
994 // Make sure each list is a user only once |
|
995 TInt userCount = iUsers.Count(); |
|
996 for (TInt i = 0; i < userCount; i++) |
|
997 { |
|
998 for (TInt j = i + 1; j < userCount; j++) |
|
999 { |
|
1000 __ASSERT_DEBUG( !TMediaUser::MatchUser( iUsers[i], iUsers[j] ), Panic(EGlxPanicIllegalState)); |
|
1001 } |
|
1002 } |
|
1003 |
|
1004 #endif // _DEBUG |
|
1005 } |
|
1006 |
|
1007 // ----------------------------------------------------------------------------- |
|
1008 // Delete location attribute |
|
1009 // ----------------------------------------------------------------------------- |
|
1010 EXPORT_C void TGlxMedia::DeleteLocationAttribute() |
|
1011 { |
|
1012 TRACER("TGlxMedia::DeleteLocationAttribute"); |
|
1013 if ( iItem ) |
|
1014 { |
|
1015 iItem->DeleteAttribute( KGlxMediaGeneralLocation ); |
|
1016 } |
|
1017 |
|
1018 } |