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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: SortOrder command handler |
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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 "glxcommandhandlersortorder.h" |
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22 |
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23 #include <data_caging_path_literals.hrh> |
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24 #include <glxcommandhandlers.hrh> |
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25 #include <glxpanic.h> |
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26 #include <glxtracer.h> |
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27 #include <glxlog.h> |
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28 #include <centralrepository.h> // For CRepository |
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29 #include <mglxmedialist.h> // For MGlxMediaList |
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30 #include <glxsettingsmodel.h> // For cenrep setting |
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31 |
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32 |
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33 // --------------------------------------------------------------------------- |
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34 // Two-phased constructor. |
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35 // --------------------------------------------------------------------------- |
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36 // |
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37 EXPORT_C CGlxCommandHandlerSortOrder* CGlxCommandHandlerSortOrder::NewL( |
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38 MGlxMediaListProvider* aMediaListProvider, |
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39 const TUint32 aCRKey) |
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40 { |
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41 CGlxCommandHandlerSortOrder* self = new ( ELeave ) |
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42 CGlxCommandHandlerSortOrder(aMediaListProvider, aCRKey); |
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43 CleanupStack::PushL( self ); |
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44 self->ConstructL(); |
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45 CleanupStack::Pop( self ); |
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46 return self; |
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47 } |
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48 |
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49 // --------------------------------------------------------------------------- |
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50 // C++ default constructor can NOT contain any code, that |
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51 // might leave. |
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52 // --------------------------------------------------------------------------- |
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53 // |
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54 CGlxCommandHandlerSortOrder::CGlxCommandHandlerSortOrder( |
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55 MGlxMediaListProvider* aMediaListProvider, |
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56 const TUint32 aCRKey) |
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57 : CGlxMediaListCommandHandler(aMediaListProvider), iKey(aCRKey) |
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58 { |
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59 // Do nothing |
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60 } |
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61 |
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62 // --------------------------------------------------------------------------- |
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63 // Symbian 2nd phase constructor can leave. |
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64 // --------------------------------------------------------------------------- |
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65 // |
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66 void CGlxCommandHandlerSortOrder::ConstructL() |
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67 { |
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68 TRACER("CGlxCommandHandlerSortOrder::ConstructL"); |
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69 |
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70 // Add supported commands |
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71 GLX_LOG_INFO("CGlxCommandHandlerSortOrder::ConstructL::Add alphabetical sort order command handler"); |
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72 TCommandInfo info( EGlxCmdSortByAlphabetical ); |
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73 info.iMinSelectionLength = 1; |
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74 info.iMaxSelectionLength = KMaxTInt; |
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75 AddCommandL(info); |
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76 |
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77 GLX_LOG_INFO("CGlxCommandHandlerSortOrder::ConstructL::Add frequency sort order command handler"); |
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78 TCommandInfo info2( EGlxCmdSortByCount ); |
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79 info2.iMinSelectionLength = 1; |
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80 info2.iMaxSelectionLength = KMaxTInt; |
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81 AddCommandL(info2); |
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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 // --------------------------------------------------------------------------- |
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87 // |
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88 EXPORT_C CGlxCommandHandlerSortOrder::~CGlxCommandHandlerSortOrder() |
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89 { |
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90 // Do nothing |
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91 } |
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92 |
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93 // ----------------------------------------------------------------------------- |
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94 // DoExecute - the relevant action for the command id |
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95 // ----------------------------------------------------------------------------- |
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96 // |
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97 TBool CGlxCommandHandlerSortOrder::DoExecuteL(TInt aCommandId, |
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98 MGlxMediaList& aList) |
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99 { |
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100 TRACER("CGlxCommandHandlerSortOrder::DoExecuteL"); |
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101 |
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102 __ASSERT_DEBUG( NULL != &aList, Panic(EGlxPanicIllegalArgument) ); |
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103 |
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104 GLX_LOG_INFO1("CGlxCommandHandlerSortOrder::DoExecuteL::Command Id (%d)",aCommandId); |
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105 TGlxFilterSortOrder newSortOrder = EGlxFilterSortOrderNotUsed; |
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106 TGlxFilterSortDirection newSortDirection = EGlxFilterSortDirectionNotUsed; |
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107 TBool handledCommand = EFalse; |
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108 |
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109 switch (aCommandId) |
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110 { |
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111 case EGlxCmdSortByAlphabetical: |
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112 { |
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113 GLX_LOG_INFO("CGlxCommandHandlerSortOrder::DoExecuteL::Sort Alphabetically"); |
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114 |
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115 newSortOrder = EGlxFilterSortOrderAlphabetical; |
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116 newSortDirection = EGlxFilterSortDirectionAscending; |
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117 handledCommand = ETrue; |
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118 break; |
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119 } |
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120 case EGlxCmdSortByCount: |
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121 { |
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122 GLX_LOG_INFO("CGlxCommandHandlerSortOrder::DoExecuteL::Sort by count"); |
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123 |
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124 newSortOrder = EGlxFilterSortOrderItemCount; |
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125 newSortDirection = EGlxFilterSortDirectionDescending; |
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126 handledCommand = ETrue; |
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127 break; |
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128 } |
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129 default: |
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130 { |
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131 break; |
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132 } |
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133 } |
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134 |
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135 // Check if the existing and the new sort order are different, the change the filter in MediaList |
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136 if( newSortOrder != EGlxFilterSortOrderNotUsed ) |
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137 { |
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138 GLX_LOG_INFO("CGlxCommandHandlerSortOrder::DoExecuteL::Create a new sort order"); |
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139 |
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140 TGlxFilterProperties filterProperties; |
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141 filterProperties.iSortOrder = newSortOrder; |
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142 filterProperties.iSortDirection = newSortDirection; |
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143 |
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144 CMPXFilter* newFilter = TGlxFilterFactory::CreateCombinedFilterL(filterProperties, |
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145 aList.Filter()); |
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146 CleanupStack::PushL(newFilter); |
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147 |
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148 aList.SetFilterL(newFilter); |
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149 // Update central repository with new sort order |
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150 CGlxSettingsModel::SetValueL(iKey,newSortOrder); |
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151 CleanupStack::PopAndDestroy(newFilter); |
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152 } |
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153 |
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154 return handledCommand; |
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155 } |
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156 |
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157 // ----------------------------------------------------------------------------- |
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158 // DoIsDisabled |
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159 // ----------------------------------------------------------------------------- |
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160 // |
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161 TBool CGlxCommandHandlerSortOrder::DoIsDisabled(TInt aCommandId, |
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162 MGlxMediaList& aList) const |
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163 { |
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164 TRACER("CGlxCommandHandlerSortOrder::DoIsDisabled"); |
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165 |
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166 __ASSERT_DEBUG( NULL != &aList, Panic(EGlxPanicIllegalArgument) ); |
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167 |
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168 // Get the existing filter & try to find out what is the current sort order |
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169 GLX_LOG_INFO("CGlxCommandHandlerSortOrder::DoIsDisabled::Get the existing filter"); |
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170 TGlxFilterSortOrder currentSortOrder = CurrentSortOrder(aList); |
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171 |
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172 GLX_LOG_INFO1("CGlxCommandHandlerSortOrder::DoIsDisabled::Command Id (%d)",aCommandId); |
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173 TBool disabled = EFalse; |
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174 |
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175 TInt count(aList.Count()); |
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176 switch( aCommandId) |
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177 { |
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178 case EGlxCmdSortByAlphabetical: |
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179 { |
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180 GLX_LOG_INFO("CGlxCommandHandlerSortOrder::DoIsDisabled::Sort Alphabetically"); |
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181 |
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182 // If the filter is already Alphabetical sort then hide the menu |
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183 if( count ) |
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184 { |
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185 disabled = ( currentSortOrder == EGlxFilterSortOrderAlphabetical); |
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186 } |
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187 else |
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188 { |
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189 disabled = ETrue; // Menu options should appear only if the list count is non-zero |
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190 } |
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191 |
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192 break; |
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193 } |
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194 case EGlxCmdSortByCount: |
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195 { |
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196 GLX_LOG_INFO("CGlxCommandHandlerSortOrder::DoIsDisabled::Sort by count"); |
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197 |
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198 // If the filter is already Frequency sort then hide the menu |
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199 if( count ) |
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200 { |
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201 disabled = ( currentSortOrder == EGlxFilterSortOrderItemCount); |
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202 } |
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203 else |
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204 { |
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205 disabled = ETrue; // Menu options should appear only if the list count is non-zero |
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206 } |
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207 break; |
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208 } |
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209 default: |
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210 { |
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211 break; |
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212 } |
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213 } |
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214 |
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215 return disabled; |
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216 } |
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217 |
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218 // ----------------------------------------------------------------------------- |
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219 // GetSortOrder |
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220 // ----------------------------------------------------------------------------- |
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221 // |
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222 TGlxFilterSortOrder CGlxCommandHandlerSortOrder::CurrentSortOrder(MGlxMediaList& aList) const |
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223 { |
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224 TRACER("CGlxCommandHandlerSortOrder::CurrentSortOrder"); |
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225 |
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226 __ASSERT_DEBUG( NULL != &aList, Panic(EGlxPanicIllegalArgument) ); |
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227 |
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228 TGlxFilterSortOrder currentSortOrder = EGlxFilterSortOrderNotUsed; |
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229 |
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230 CMPXFilter* filter = aList.Filter(); |
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231 if ( filter ) |
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232 { |
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233 GLX_LOG_INFO("CGlxCommandHandlerSortOrder::DoIsDisabled::Find the existing sort order"); |
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234 currentSortOrder = filter->ValueTObjectL<TGlxFilterSortOrder>(KGlxFilterGeneralSortType); |
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235 } |
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236 |
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237 return currentSortOrder; |
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238 } |
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239 |
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240 //End of file |