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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: Delete 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 /** |
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22 * @internal reviewed 06/06/2007 by Dave Schofield |
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23 */ |
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24 |
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25 #include "glxcommandhandlernewmedia.h" |
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26 |
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27 #include <AknUtils.h> |
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28 #include <badesca.h> |
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29 #include <bautils.h> |
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30 #include <glxattributecontext.h> |
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31 #include <glxattributeretriever.h> |
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32 #include <glxcollectiongeneraldefs.h> |
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33 #include <glxcommandfactory.h> |
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34 #include <glxcommandhandlers.hrh> |
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35 #include <glxfetchcontextremover.h> |
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36 #include <glxgeneraluiutilities.h> |
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37 #include <glxpanic.h> |
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38 #include <glxresourceutilities.h> // for CGlxResourceUtilities |
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39 #include <glxsetappstate.h> |
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40 #include <glxtextentrypopup.h> |
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41 #include <glxuistd.h> |
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42 #include <glxuiutilities.rsg> |
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43 #include <mglxmedialist.h> |
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44 #include <mpxcollectionpath.h> |
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45 #include <mpxcommonframeworkdefs.h> |
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46 #include <StringLoader.h> |
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47 |
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48 #include <data_caging_path_literals.hrh> |
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49 #include <glxuiutilities.rsg> |
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50 |
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51 const TInt KMaxMediaPopupTitleLength = 0x28; // Accepts only 40 characters |
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52 const TInt KMaxNewMediaItemTitleLength = 0x28; // Accepts only 40 characters |
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53 const TInt KMaxNumberLength = 10; |
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54 |
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55 _LIT(KOpenBracket, "("); |
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56 _LIT(KCloseBracket, ")"); |
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57 _LIT(KFileNameFormatString, "(%+02u)"); |
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58 // --------------------------------------------------------------------------- |
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59 // Two-phased constructor. |
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60 // --------------------------------------------------------------------------- |
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61 // |
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62 EXPORT_C CGlxCommandHandlerNewMedia* CGlxCommandHandlerNewMedia::NewL(MGlxMediaListProvider* aMediaListProvider) |
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63 { |
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64 CGlxCommandHandlerNewMedia* self = new (ELeave) CGlxCommandHandlerNewMedia(aMediaListProvider); |
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65 CleanupStack::PushL(self); |
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66 self->ConstructL(); |
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67 CleanupStack::Pop(self); |
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68 return self; |
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69 } |
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70 |
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71 // --------------------------------------------------------------------------- |
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72 // C++ default constructor can NOT contain any code, that |
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73 // might leave. |
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74 // --------------------------------------------------------------------------- |
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75 // |
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76 CGlxCommandHandlerNewMedia::CGlxCommandHandlerNewMedia(MGlxMediaListProvider* aMediaListProvider) |
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77 : CGlxMpxCommandCommandHandler(aMediaListProvider) |
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78 { |
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79 // Don't do anything. |
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80 } |
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81 |
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82 // ----------------------------------------------------------------------------- |
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83 // CGlxCommandHandlerNewMedia::DoHandleCommandCompleteL |
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84 // ----------------------------------------------------------------------------- |
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85 // |
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86 void CGlxCommandHandlerNewMedia::DoHandleCommandCompleteL(TAny* /*aSessionId*/, CMPXCommand* aCommandResult, |
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87 TInt aError, MGlxMediaList* /*aList*/) |
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88 { |
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89 if (aError == KErrNone && aCommandResult && aCommandResult->IsSupported(KMPXMediaGeneralId)) |
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90 { |
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91 iNewMediaId = TGlxMediaId(aCommandResult->ValueTObjectL<TMPXItemId>(KMPXMediaGeneralId)); |
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92 iOkToExit = EFalse; // wait for media id to be added to the list |
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93 // (unless we are using iSchedulerWait) |
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94 } |
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95 |
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96 if (iSchedulerWait && aError != KErrAlreadyExists ) |
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97 { |
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98 // if iSchedulerWait exists then we know the command is being executed from |
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99 // the ExecuteLD() method. |
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100 iNewMediaCreationError = aError; |
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101 iSchedulerWait->AsyncStop(); |
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102 } |
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103 } |
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104 |
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105 // ----------------------------------------------------------------------------- |
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106 // CGlxCommandHandlerNewMedia::OkToExit |
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107 // ----------------------------------------------------------------------------- |
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108 // |
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109 EXPORT_C TBool CGlxCommandHandlerNewMedia::OkToExit() const |
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110 { |
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111 return iOkToExit; |
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112 } |
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113 |
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114 // --------------------------------------------------------------------------- |
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115 // Symbian 2nd phase constructor can leave. |
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116 // --------------------------------------------------------------------------- |
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117 // |
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118 void CGlxCommandHandlerNewMedia::ConstructL() |
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119 { |
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120 iFileNameAlreadyExists = EFalse ; |
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121 // Load resource file |
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122 TParse parse; |
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123 parse.Set(KGlxUiUtilitiesResource, &KDC_APP_RESOURCE_DIR, NULL); |
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124 TFileName resourceFile; |
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125 resourceFile.Append(parse.FullName()); |
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126 CGlxResourceUtilities::GetResourceFilenameL(resourceFile); |
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127 iResourceOffset = CCoeEnv::Static()->AddResourceFileL(resourceFile); |
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128 |
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129 iAsyncFocuser = new (ELeave) CGlxAsyncFocuser(this); |
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130 // Add supported command |
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131 TCommandInfo info(EGlxCmdAddMedia); |
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132 // Filter out static items |
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133 AddCommandL(info); |
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134 } |
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135 |
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136 // --------------------------------------------------------------------------- |
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137 // Destructor |
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138 // --------------------------------------------------------------------------- |
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139 // |
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140 EXPORT_C CGlxCommandHandlerNewMedia::~CGlxCommandHandlerNewMedia() |
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141 { |
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142 if ( iResourceOffset ) |
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143 { |
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144 CCoeEnv::Static()->DeleteResourceFile(iResourceOffset); |
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145 } |
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146 |
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147 delete iSchedulerWait; |
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148 delete iAsyncFocuser; |
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149 delete iNewMediaItemTitle; |
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150 } |
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151 |
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152 // --------------------------------------------------------------------------- |
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153 // CGlxCommandHandlerNewMedia::ExecuteLD() |
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154 // --------------------------------------------------------------------------- |
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155 // |
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156 EXPORT_C TInt CGlxCommandHandlerNewMedia::ExecuteLD(TGlxMediaId& aNewMediaId) |
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157 { |
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158 CleanupStack::PushL(this); |
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159 iSchedulerWait = new (ELeave) CActiveSchedulerWait(); |
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160 |
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161 CGlxMpxCommandCommandHandler::ExecuteL( EGlxCmdAddMedia ); |
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162 if (iNewMediaCreationError == KErrNone) |
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163 { |
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164 // The user pressed OK on the dialog. We need to wait for DoHandleCommandComplete() |
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165 iSchedulerWait->Start(); |
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166 |
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167 if (iNewMediaCreationError == KErrNone) |
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168 { |
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169 aNewMediaId = iNewMediaId; |
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170 } |
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171 } |
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172 |
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173 TInt error = iNewMediaCreationError; |
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174 CleanupStack::PopAndDestroy(this); |
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175 return error; |
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176 } |
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177 |
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178 // --------------------------------------------------------------------------- |
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179 // Create an add to container command |
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180 // --------------------------------------------------------------------------- |
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181 // |
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182 CMPXCommand* CGlxCommandHandlerNewMedia::CreateCommandL(TInt /*aCommandId*/, |
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183 MGlxMediaList& aMediaList, TBool& /*aConsume*/) const |
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184 { |
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185 iOkToExit = ETrue; |
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186 |
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187 CMPXCollectionPath* path = aMediaList.PathLC( NGlxListDefs::EPathParent ); |
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188 CMPXCommand* command = NULL; |
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189 |
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190 TBuf <KMaxNewMediaItemTitleLength> defaultNewMediaItemTitle; |
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191 |
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192 TitlesL(TGlxMediaId(path->Id(0)), defaultNewMediaItemTitle); |
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193 |
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194 HBufC* mediaPopupTitle = StringLoader::LoadLC(R_GLX_PROMPT_NAME); |
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195 if(iFileNameAlreadyExists) |
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196 { |
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197 iFileNameAlreadyExists = EFalse ; |
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198 } |
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199 else |
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200 { |
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201 delete iNewMediaItemTitle; |
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202 iNewMediaItemTitle = NULL; |
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203 iNewMediaItemTitle = GenerateNewMediaItemTitleL(defaultNewMediaItemTitle, aMediaList); |
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204 } |
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205 TPtr newMediaItemTitleDes = iNewMediaItemTitle->Des(); |
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206 |
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207 CGlxTextEntryPopup* dialog = CGlxTextEntryPopup::NewL(*mediaPopupTitle, newMediaItemTitleDes); |
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208 |
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209 |
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210 if(dialog->ExecuteLD() == EEikBidOk) |
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211 { |
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212 command = TGlxCommandFactory::AddContainerCommandLC(*iNewMediaItemTitle, path->Id(0)); |
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213 CleanupStack::Pop(command); |
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214 } |
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215 else |
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216 { |
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217 iNewMediaCreationError = KErrCancel; |
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218 } |
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219 |
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220 CleanupStack::PopAndDestroy(mediaPopupTitle); |
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221 CleanupStack::PopAndDestroy(path); |
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222 return command; |
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223 } |
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224 |
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225 |
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226 // --------------------------------------------------------------------------- |
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227 // CGlxCommandHandlerNewMedia::HandleErrorL |
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228 // --------------------------------------------------------------------------- |
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229 // |
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230 void CGlxCommandHandlerNewMedia::HandleErrorL(TInt aError) |
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231 { |
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232 if (aError == KErrAlreadyExists && iNewMediaItemTitle) |
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233 { |
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234 HBufC* info = StringLoader::LoadLC(R_GLX_NAME_ALREADY_USED, *iNewMediaItemTitle); |
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235 GlxGeneralUiUtilities::ShowInfoNoteL(*info, ETrue); |
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236 CleanupStack::PopAndDestroy(info); |
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237 iFileNameAlreadyExists = ETrue ; |
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238 // As the new Item name already existing , re-execute the command to show entry pop-up |
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239 CGlxMpxCommandCommandHandler::ExecuteL( EGlxCmdAddMedia ); |
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240 if (iSchedulerWait && iNewMediaCreationError == KErrCancel ) |
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241 { |
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242 // if iSchedulerWait exists then we know the command is being executed from |
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243 // the ExecuteLD() method. |
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244 // Stop the schedulerwait loop if dialog is cancelled after starting the schedulerwait loop |
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245 iSchedulerWait->AsyncStop(); |
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246 } |
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247 } |
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248 else |
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249 { |
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250 // Use default error handler |
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251 CGlxMpxCommandCommandHandler::HandleErrorL(aError); |
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252 } |
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253 } |
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254 |
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255 // ----------------------------------------------------------------------------- |
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256 // BypassFiltersForExecute |
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257 // ----------------------------------------------------------------------------- |
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258 // |
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259 EXPORT_C TBool CGlxCommandHandlerNewMedia::BypassFiltersForExecute() const |
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260 { |
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261 // if iSchedulerWait exists then we know the command is being executed from |
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262 // the ExecuteLD() method and filtering is not required. |
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263 return iSchedulerWait != NULL; |
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264 } |
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265 |
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266 // --------------------------------------------------------------------------- |
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267 // TitlesL fetches the 'media popup title' and 'default new media item title' |
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268 // from the collection. |
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269 // --------------------------------------------------------------------------- |
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270 // |
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271 |
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272 void CGlxCommandHandlerNewMedia::TitlesL(const TGlxMediaId aCollectionId, TDes& aDefaultNewMediaItemTitle) const |
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273 { |
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274 CMPXCollectionPath* path = CMPXCollectionPath::NewL(); |
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275 CleanupStack::PushL(path); |
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276 MGlxMediaList* rootList = MGlxMediaList::InstanceL(*path); |
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277 CleanupClosePushL(*rootList); |
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278 |
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279 TGlxSpecificIdIterator iter(KGlxIdSpaceIdRoot, aCollectionId); |
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280 CGlxAttributeContext* attributeContext = new (ELeave) CGlxAttributeContext(&iter); |
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281 CleanupStack::PushL(attributeContext); |
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282 attributeContext->AddAttributeL(KGlxMediaCollectionPluginSpecificDefaultMediaTitle); |
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283 rootList->AddContextL(attributeContext, KGlxFetchContextPriorityBlocking); |
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284 |
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285 TGlxFetchContextRemover contextRemover(attributeContext, *rootList); |
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286 // put to cleanupstack as cleanupstack is emptied before stack objects |
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287 // are deleted |
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288 CleanupClosePushL( contextRemover ); |
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289 User::LeaveIfError(GlxAttributeRetriever::RetrieveL(*attributeContext, *rootList, ETrue)); |
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290 // context off the list |
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291 CleanupStack::PopAndDestroy( &contextRemover ); |
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292 |
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293 TInt index = rootList->Index(KGlxIdSpaceIdRoot, aCollectionId); |
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294 |
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295 __ASSERT_DEBUG(index != KErrNotFound, Panic(EGlxPanicRequiredItemNotFound)); |
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296 |
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297 TGlxMedia item = rootList->Item(index); |
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298 |
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299 const CGlxMedia* media = item.Properties(); |
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300 if (media) |
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301 { |
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302 aDefaultNewMediaItemTitle.Copy(media->ValueText(KGlxMediaCollectionPluginSpecificDefaultMediaTitle).Left(KMaxMediaPopupTitleLength)); |
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303 } |
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304 |
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305 CleanupStack::PopAndDestroy(attributeContext); |
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306 CleanupStack::PopAndDestroy(rootList); |
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307 CleanupStack::PopAndDestroy(path); |
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308 } |
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309 |
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310 // --------------------------------------------------------------------------- |
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311 // TitlesL fetches the 'media popup title' and 'default new media item title' |
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312 // from the collection. |
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313 // --------------------------------------------------------------------------- |
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314 // |
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315 HBufC* CGlxCommandHandlerNewMedia::GenerateNewMediaItemTitleL |
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316 (const TDesC& aDefaultNewMediaItemTitle, MGlxMediaList& aList) const |
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317 { |
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318 TGlxSequentialIterator iter; |
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319 CGlxAttributeContext* attributeContext = new (ELeave) CGlxAttributeContext(&iter); |
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320 CleanupStack::PushL(attributeContext); |
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321 attributeContext->AddAttributeL(KMPXMediaGeneralTitle); |
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322 aList.AddContextL(attributeContext, KGlxFetchContextPriorityBlocking); |
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323 TGlxFetchContextRemover contextRemover(attributeContext, aList); |
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324 // put to cleanupstack as cleanupstack is emptied before stack objects |
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325 // are deleted |
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326 CleanupClosePushL( contextRemover ); |
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327 User::LeaveIfError(GlxAttributeRetriever::RetrieveL(*attributeContext, aList, ETrue)); |
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328 // context off the list |
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329 CleanupStack::PopAndDestroy( &contextRemover ); |
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330 CleanupStack::PopAndDestroy(attributeContext); |
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331 |
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332 RArray<TInt> numbers; |
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333 CleanupClosePushL(numbers); |
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334 |
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335 TInt count = aList.Count(); |
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336 for (TInt i = 0; i < count; i++) |
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337 { |
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338 TGlxMedia item = aList.Item(i); |
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339 const CGlxMedia* media = item.Properties(); |
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340 if (media) |
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341 { |
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342 const TDesC& title = media->ValueText(KMPXMediaGeneralTitle); |
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343 |
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344 TInt length = aDefaultNewMediaItemTitle.Length(); |
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345 if (title.Left(length).Compare(aDefaultNewMediaItemTitle) == 0) |
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346 { |
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347 if (length == title.Length()) |
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348 { |
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349 numbers.InsertInOrder(0); // special case |
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350 } |
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351 else if(title.Length() > length + KOpenBracket().Length() + KCloseBracket().Length()) |
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352 { |
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353 TInt pos = length; |
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354 length = KOpenBracket().Length(); |
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355 |
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356 if (title.Mid(pos, length).Compare(KOpenBracket) == 0 && |
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357 title.Right(KCloseBracket().Length()).Compare(KCloseBracket) == 0) |
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358 { |
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359 pos += length; |
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360 length = title.Length() - pos - KCloseBracket().Length(); |
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361 if (length > 0) |
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362 { |
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363 TLex lex = title.Mid(pos, length); |
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364 TInt val = 0; |
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365 if (lex.Val(val) == KErrNone) |
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366 { |
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367 numbers.InsertInOrder(val); |
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368 } |
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369 } |
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370 } |
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371 } |
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372 |
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373 } |
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374 } |
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375 } |
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376 |
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377 TInt nextNumber = 0; |
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378 count = numbers.Count(); |
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379 for (TInt i = 0; i < count; i++) |
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380 { |
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381 if (numbers[i] == nextNumber) |
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382 { |
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383 nextNumber++; |
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384 } |
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385 else |
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386 { |
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387 break; |
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388 } |
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389 } |
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390 |
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391 CleanupStack::PopAndDestroy(&numbers); |
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392 |
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393 TInt defaultTitleLength = aDefaultNewMediaItemTitle.Length() + KFileNameFormatString().Length() + KCloseBracket().Length() + KMaxNumberLength; |
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394 // If the default title length is bigger than KMaxMediaPopupTitleLength, make sure we allocate enough space for it. |
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395 TInt titleLength = defaultTitleLength > KMaxMediaPopupTitleLength ? defaultTitleLength : KMaxMediaPopupTitleLength; |
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396 HBufC* newMediaItemTitle = HBufC::NewL(titleLength); |
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397 TPtr newMediaItemTitleDes = newMediaItemTitle->Des(); |
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398 newMediaItemTitleDes.Append(aDefaultNewMediaItemTitle); |
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399 |
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400 if (nextNumber > 0) |
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401 { |
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402 newMediaItemTitleDes.AppendFormat(KFileNameFormatString,nextNumber); |
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403 } |
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404 else |
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405 { |
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406 // 0 is a special case, return "New Media", not "New Media (0)" |
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407 } |
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408 |
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409 return newMediaItemTitle; |
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410 } |
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411 |
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412 // ----------------------------------------------------------------------------- |
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413 // SetFocusL() |
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414 // ----------------------------------------------------------------------------- |
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415 // |
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416 void CGlxCommandHandlerNewMedia::SetFocusL(TInt aIndex) |
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417 { |
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418 iOkToExit = ETrue; |
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419 MediaList().SetFocusL(NGlxListDefs::EAbsolute, aIndex); |
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420 TryExitL(KErrNone); |
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421 } |
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422 |
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423 // ----------------------------------------------------------------------------- |
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424 // HandleItemAddedL |
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425 // ----------------------------------------------------------------------------- |
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426 // |
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427 EXPORT_C void CGlxCommandHandlerNewMedia::HandleItemAddedL(TInt aStartIndex, TInt aEndIndex, MGlxMediaList* aList) |
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428 { |
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429 if(aList == &MediaList() && iNewMediaId != KGlxCollectionRootId) |
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430 { |
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431 for (TInt i = aStartIndex; i <= aEndIndex; i++) |
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432 { |
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433 if (aList->Item(i).Id() == iNewMediaId) |
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434 { |
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435 iAsyncFocuser->SetFocus(i); // calls CGlxCommandHandlerNewMedia::SetFocusL asynchronously |
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436 break; |
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437 } |
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438 } |
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439 } |
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440 } |
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441 |
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442 // ----------------------------------------------------------------------------- |
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443 // Constructor |
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444 // ----------------------------------------------------------------------------- |
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445 // |
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446 CGlxCommandHandlerNewMedia::CGlxAsyncFocuser:: |
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447 CGlxAsyncFocuser(CGlxCommandHandlerNewMedia* aGlxCommandHandlerNewMedia) |
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448 : CActive(KMaxTInt), iGlxCommandHandlerNewMedia(aGlxCommandHandlerNewMedia) |
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449 // The active object has the maximum possible priority to prevent other active objects |
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450 // running before it. (Unless they too are scheduled to run and have the maximum |
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451 // possible priority |
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452 { |
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453 __ASSERT_DEBUG(aGlxCommandHandlerNewMedia, Panic(EGlxPanicNullPointer)); |
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454 CActiveScheduler::Add(this); |
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455 } |
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456 |
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457 // ----------------------------------------------------------------------------- |
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458 // Destructor |
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459 // ----------------------------------------------------------------------------- |
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460 // |
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461 CGlxCommandHandlerNewMedia::CGlxAsyncFocuser:: |
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462 ~CGlxAsyncFocuser() |
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463 { |
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464 Cancel(); |
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465 } |
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466 |
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467 // ----------------------------------------------------------------------------- |
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468 // RunL |
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469 // ----------------------------------------------------------------------------- |
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470 // |
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471 void CGlxCommandHandlerNewMedia::CGlxAsyncFocuser::RunL() |
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472 { |
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473 iGlxCommandHandlerNewMedia->SetFocusL(iFocusIndex); |
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474 } |
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475 |
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476 // ----------------------------------------------------------------------------- |
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477 // DoCancel |
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478 // ----------------------------------------------------------------------------- |
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479 // |
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480 void CGlxCommandHandlerNewMedia::CGlxAsyncFocuser::DoCancel() |
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481 { |
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482 // No need to do anything |
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483 // CActive::Cancel() will wait for the request to complete |
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484 } |
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485 |
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486 // ----------------------------------------------------------------------------- |
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487 // SetFocusL |
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488 // ----------------------------------------------------------------------------- |
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489 // |
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490 void CGlxCommandHandlerNewMedia::CGlxAsyncFocuser::SetFocus(TInt aIndex) |
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491 { |
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492 iFocusIndex = aIndex; |
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493 TRequestStatus* requestStatus = &iStatus; |
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494 User::RequestComplete(requestStatus,KErrNone); |
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495 SetActive(); |
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496 } |