1 /* |
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2 * Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Handles interface towards XUIKON, sets and gets theme information. |
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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 // INCLUDE FILES |
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21 |
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22 // Psln Framework |
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23 #include <PslnFWAppThemeHandler.h> |
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24 #include <MPslnFWAppThemeObserver.h> |
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25 #include "PslnXNClientLoader.h" |
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26 |
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27 // Constants |
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28 #include "PslnConst.h" |
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29 #include "PslnDebug.h" |
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30 |
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31 // Xuikon |
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32 #include <XnODT.h> |
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33 |
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34 #include <AknEnv.h> |
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35 |
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36 // CONTANTS |
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37 // Path to wrapper dll for XnClient. |
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38 _LIT( KPslnXuikonClientLoaderName, |
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39 "\\system\\libs\\PslnXNClientLoader.dll"); |
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40 |
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41 // TYPE DEFINITIONS |
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42 // Xuikon client loader. |
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43 typedef TAny* (*NewXuikonClientL)(); |
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44 |
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45 // ----------------------------------------------------------------------------- |
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46 // C++ constructor can NOT contain any code, that might leave. |
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47 // ----------------------------------------------------------------------------- |
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48 // |
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49 CPslnFWAppThemeHandler::CPslnFWAppThemeHandler( |
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50 MPslnFWAppThemeObserver& aObserver, |
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51 CArrayPtrFlat<CXnODT>& aApplicationSkinList ) : |
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52 iObserver( aObserver ), iAppThemeList( &aApplicationSkinList ) |
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53 { |
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54 } |
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55 |
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56 // ----------------------------------------------------------------------------- |
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57 // Symbian 2nd phase constructor can leave. |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 void CPslnFWAppThemeHandler::ConstructL() |
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61 { |
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62 PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::ConstructL BEGIN"); |
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63 PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::ConstructL END"); |
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64 } |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // Two-phased constructor. |
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68 // ----------------------------------------------------------------------------- |
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69 // |
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70 CPslnFWAppThemeHandler* CPslnFWAppThemeHandler::NewL |
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71 ( MPslnFWAppThemeObserver& aObserver, |
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72 CArrayPtrFlat<CXnODT>& aApplicationSkinList ) |
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73 { |
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74 CPslnFWAppThemeHandler* self = |
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75 new( ELeave ) CPslnFWAppThemeHandler( aObserver, aApplicationSkinList ); |
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76 |
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77 CleanupStack::PushL( self ); |
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78 self->ConstructL(); |
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79 CleanupStack::Pop( self ); |
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80 |
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81 return self; |
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82 } |
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83 |
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84 |
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85 // Destructor |
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86 CPslnFWAppThemeHandler::~CPslnFWAppThemeHandler() |
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87 { |
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88 PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler destructor BEGIN"); |
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89 // deleting iXnClientLoader automatically cancels all existing fetches. |
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90 delete iXnClientLoader; |
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91 if( iXnClientDllLoaded ) |
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92 { |
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93 iXnClientDll.Close(); |
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94 } |
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95 PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler destructor END"); |
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96 // do not destroy iAppThemeList - it is owned by application. |
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97 } |
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98 |
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99 // ----------------------------------------------------------------------------- |
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100 // Collect application specific themes from server. |
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101 // ----------------------------------------------------------------------------- |
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102 // |
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103 EXPORT_C TXnServiceCompletedMessage CPslnFWAppThemeHandler::GetApplicationSkinsL( |
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104 TUid aUid ) |
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105 { |
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106 PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::GetApplicationSkinsL BEGIN"); |
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107 if ( !iXnClientLoader ) |
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108 { |
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109 CreateXnClientL(); |
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110 } |
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111 // Remember to cancel first. CPslnFWAppThemeHandler only supports one |
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112 // active request per application. |
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113 if ( iFetchOngoing ) |
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114 { |
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115 return EXnServiceRequestError; |
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116 } |
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117 |
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118 // Clear previous fetch first. |
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119 iFetchOngoing = ETrue; |
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120 if ( iAppThemeList ) |
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121 { |
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122 iAppThemeList->ResetAndDestroy(); |
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123 } |
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124 |
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125 // Start looking for application skins. |
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126 CXnODT* odt = CreateODTFromAppUidLC( aUid ); |
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127 TXnServiceCompletedMessage ret = |
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128 iXnClientLoader->GetListHeaders( *odt, *iAppThemeList ); |
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129 |
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130 if ( ret == EXnGetListHeadersSuccess ) |
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131 { |
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132 // There are existing application specific skins. |
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133 // Let's start looking for these. |
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134 iXnClientLoader->GetNextHeader(); |
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135 } |
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136 else if ( ret == EXnGetListHeadersEmpty ) |
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137 { |
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138 // There are no application specific skins now, but |
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139 // let's start to wait if some would appear later. |
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140 iXnClientLoader->GetNextHeader(); |
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141 } |
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142 else if ( ret == EXnGetListHeadersFailed || ret == EXnServiceRequestError ) |
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143 { |
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144 // Error. |
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145 PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::GetApplicationSkinsL Error"); |
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146 } |
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147 else |
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148 { |
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149 PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::GetApplicationSkinsL Empty else"); |
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150 } |
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151 |
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152 CleanupStack::PopAndDestroy( odt ); |
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153 return ret; |
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154 } |
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155 |
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156 // ----------------------------------------------------------------------------- |
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157 // Sets application specific theme. |
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158 // ----------------------------------------------------------------------------- |
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159 // |
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160 EXPORT_C TXnServiceCompletedMessage CPslnFWAppThemeHandler::SetApplicationSkinL( |
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161 CXnODT& aThemeODT ) |
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162 { |
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163 PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::SetApplicationSkinL BEGIN"); |
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164 if ( !iXnClientLoader ) |
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165 { |
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166 CreateXnClientL(); |
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167 } |
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168 |
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169 CXnODT* odt = CXnODT::NewL(); |
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170 CleanupStack::PushL( odt ); |
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171 |
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172 TXnServiceCompletedMessage ret = |
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173 iXnClientLoader->SetActiveTheme( aThemeODT, *odt ); |
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174 |
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175 CleanupStack::PopAndDestroy( odt ); |
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176 return ret; |
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177 } |
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178 |
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179 // ----------------------------------------------------------------------------- |
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180 // CPslnFWAppThemeHandler::CancelGetApplicationSkins |
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181 // |
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182 // ----------------------------------------------------------------------------- |
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183 // |
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184 EXPORT_C void CPslnFWAppThemeHandler::CancelGetApplicationSkins() |
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185 { |
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186 PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::CancelGetApplicationSkins BEGIN"); |
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187 iFetchOngoing = EFalse; |
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188 if ( iXnClientLoader ) |
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189 { |
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190 iXnClientLoader->CancelGetListHeaders(); |
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191 } |
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192 } |
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193 |
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194 EXPORT_C TXnServiceCompletedMessage CPslnFWAppThemeHandler::SetApplicationSkinAndExitL( |
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195 CXnODT& aThemeODT ) |
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196 { |
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197 TXnServiceCompletedMessage ret = SetApplicationSkinL( aThemeODT ); |
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198 if ( ret == EXnSetActiveThemeSuccess ) |
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199 { |
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200 CAknEnv::RunAppShutter(); |
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201 } |
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202 return ret; |
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203 } |
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204 |
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205 // ----------------------------------------------------------------------------- |
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206 // Xuikon theme manager callback. |
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207 // ----------------------------------------------------------------------------- |
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208 // |
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209 void CPslnFWAppThemeHandler::HandleXnClientMessage( |
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210 TXnServiceCompletedMessage aMessage ) |
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211 { |
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212 PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::HandleXnClientMessage BEGIN"); |
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213 switch ( aMessage ) |
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214 { |
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215 case EXnGetListHeadersEmpty: |
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216 // notify client that there are no themes available. |
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217 // Destroy possible previously available skins |
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218 iObserver.HandleMessage( aMessage ); |
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219 if ( iAppThemeList ) |
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220 { |
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221 iAppThemeList->ResetAndDestroy(); |
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222 } |
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223 break; |
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224 case EXnGetListHeadersFailed: |
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225 // notify client that observation has been stopped |
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226 iObserver.HandleMessage( aMessage ); |
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227 CancelGetApplicationSkins(); |
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228 break; |
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229 case EXnServiceRequestCanceled: |
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230 case EXnServiceRequestError: |
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231 // notify client about possible error cause. |
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232 iObserver.HandleMessage( aMessage ); |
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233 break; |
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234 case EXnGetListHeadersUpdate: |
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235 // give the client the new list. |
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236 // Fall through |
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237 case EXnGetListHeadersRestart: |
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238 // notify client that old list is now not valid, and the new list needs to |
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239 // be used. |
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240 // Fall through |
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241 default: |
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242 iObserver.HandleMessage( aMessage, *iAppThemeList ); |
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243 break; |
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244 } |
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245 } |
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246 |
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247 // ----------------------------------------------------------------------------- |
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248 // Creates ODT based on application UID. |
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249 // |
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250 // ----------------------------------------------------------------------------- |
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251 // |
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252 CXnODT* CPslnFWAppThemeHandler::CreateODTFromAppUidLC( TUid aUid ) |
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253 { |
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254 PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::CreateODTFromAppUidLC BEGIN"); |
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255 CXnODT* odt = CXnODT::NewL(); |
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256 CleanupStack::PushL( odt ); |
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257 odt->SetAppUid( aUid.iUid ); // the UID of the application |
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258 odt->SetProviderUid( Nokia_VID ); // all provided by Nokia |
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259 return odt; |
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260 } |
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261 |
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262 // ----------------------------------------------------------------------------- |
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263 // Creates XUIKON Client interface. |
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264 // |
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265 // ----------------------------------------------------------------------------- |
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266 // |
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267 void CPslnFWAppThemeHandler::CreateXnClientL() |
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268 { |
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269 // Xuikon Client dll loading. |
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270 if( !iXnClientDllLoaded ) |
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271 { |
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272 if( iXnClientDll.Load( KPslnXuikonClientLoaderName ) == KErrNone ) |
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273 { |
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274 iXnClientDllLoaded = ETrue; |
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275 // Request the entry function |
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276 NewXuikonClientL xuikonClient = |
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277 (NewXuikonClientL) iXnClientDll.Lookup( KPslnDllEntryPoint ); |
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278 if( xuikonClient ) |
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279 { |
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280 // Create the class |
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281 iXnClientLoader = |
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282 (CPslnXNClientLoader*) (*xuikonClient)(); |
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283 } |
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284 } |
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285 } |
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286 // The wrapper failed to load. |
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287 if ( !iXnClientLoader ) |
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288 { |
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289 User::Leave( KErrNotFound ); |
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290 } |
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291 iXnClientLoader->CreateClientL( *this ); |
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292 } |
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293 // End of File |
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