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1 /* |
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2 * Copyright (c) 2005 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: Header file of mediafiledialogstate. |
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15 * Class used to deal with the items of the Main view |
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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 #ifndef MEDIAFILEDIALOGSTATE_H |
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22 #define MEDIAFILEDIALOGSTATE_H |
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23 |
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24 // INCLUDES |
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25 #include "mediafiledialogutils.h" |
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26 |
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27 #include <e32base.h> |
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28 |
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29 |
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30 // CONSTANTS |
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31 |
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32 |
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33 enum TMediaFileListFolder |
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34 { |
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35 EEFolderRoot = 0, |
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36 EEFolderDownload, |
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37 EEFolderTones, |
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38 EEFolderMusic, |
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39 EEFolderVideos, |
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40 EEFolderRecordings, |
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41 EEFolderSearch, |
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42 EEFolderAllMusic, |
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43 EEFolderArtistRoot, |
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44 EEFolderArtist, |
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45 EEFolderArtistUnknown, // 10 |
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46 EEFolderArtistAll, |
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47 EEFolderArtistAlbum, |
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48 EEFolderArtistAlbumUnknown, |
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49 EEFolderAlbumRoot, |
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50 EEFolderAlbum, |
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51 EEFolderAlbumUnknown, |
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52 EEFolderGenreRoot, |
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53 EEFolderGenre, |
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54 EEFolderGenreUnknown, |
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55 EEFolderComposerRoot, // 20 |
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56 EEFolderComposer, |
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57 EEFolderComposerUnknown, |
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58 EEFolderNullItemOne, |
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59 EEFolderNullItemTwo, |
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60 EEFolderRecent, |
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61 EEFolderNone, |
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62 EEFolderPersistent, |
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63 EEFolderUnknown, |
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64 EEFolderSearchMusic |
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65 }; |
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66 |
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67 |
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68 enum TMediaFileListIcons |
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69 { |
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70 EEIconMusic = 0, |
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71 EEIconTone = 1, |
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72 EEIconVideo = 2, |
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73 EEIconRecording = 3, |
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74 EEIconArtist = 4, |
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75 EEIconAlbum = 5, |
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76 EEIconGenre = 6, |
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77 EEIconComposer = 7, |
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78 EEIconFolder = 8, |
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79 EEIconUnknown = 9, |
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80 EEIconFolderDownload = 10, |
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81 EEIconNullItemOff = 11, |
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82 EEIconMemoryCard = 12, |
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83 EEIconMassStorage = 13, |
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84 EEIconEmpty = 14 |
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85 }; |
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86 |
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87 enum TMediaFileListQueryDirection |
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88 { |
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89 EEQueryUp, |
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90 EEQueryDown, |
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91 EEQueryUpdate |
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92 }; |
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93 |
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94 |
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95 |
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96 // CLASS DECLARATION |
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97 |
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98 NONSHARABLE_CLASS (TMFListItem) |
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99 { |
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100 public: |
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101 // position in listbox |
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102 TInt iListIndex; |
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103 |
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104 // one of TMediaFileListFolder |
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105 TInt iFolderId; |
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106 |
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107 // one of TMediaFileListFolder |
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108 TInt iParentFolderId; |
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109 |
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110 // non-persistent child items from metadata (folders or file names) |
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111 TInt iChildFolderId; |
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112 |
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113 // is list item a persistent folder |
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114 TBool iPersistent; |
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115 |
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116 // is list item hidden |
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117 TBool iHidden; |
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118 |
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119 // icon that is shown in listbox |
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120 TInt iIconId; |
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121 |
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122 // icon that is shown in listbox |
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123 TInt iChildIconId; |
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124 |
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125 // count of unknown items in this folder |
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126 TInt iUnknownCount; |
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127 |
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128 // text that is shown in listox |
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129 TBuf<KBufSize128> iText; |
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130 |
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131 // text that is shown in navi pane |
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132 TBuf<KBufSize128> iTitle; |
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133 |
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134 |
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135 public: |
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136 TMFListItem(); |
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137 }; |
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138 |
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139 /** |
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140 * TMFCurrentItemInfo |
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141 * |
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142 * Used for maintaining the open item info in a list box |
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143 * folder and current list item position. |
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144 */ |
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145 |
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146 NONSHARABLE_CLASS (TMFCurrentItemInfo) |
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147 { |
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148 public: |
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149 // has media file database changed |
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150 TBool iIndexCheckNeeded; |
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151 |
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152 // current item listbox index |
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153 TInt iItemIndex; |
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154 |
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155 // currently selected media file id |
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156 TInt iMediaFileId; |
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157 |
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158 // currently selected persistent folder id |
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159 TInt iFolderId; |
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160 |
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161 // currently selected non-persistent folder id |
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162 TBuf<KBufSize128> iFolderText; |
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163 |
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164 public: |
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165 void Reset(); |
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166 }; |
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167 |
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168 |
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169 |
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170 |
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171 /** |
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172 * CMediaFileDialogState |
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173 * |
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174 * Used for maintaining MediaFileDialog state eg currently open |
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175 * folder and current list item position. |
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176 */ |
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177 NONSHARABLE_CLASS (CMediaFileDialogState) : public CBase |
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178 { |
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179 public: |
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180 static CMediaFileDialogState* NewL(); |
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181 virtual ~CMediaFileDialogState(); |
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182 |
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183 private: |
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184 CMediaFileDialogState(); |
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185 void ConstructL(); |
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186 |
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187 public: |
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188 void Init(); |
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189 void AddPermanentItemsL(); |
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190 |
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191 TInt NextFolderUp(); |
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192 TInt NextFolderDown( TInt aListIndex ); |
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193 void SetQueryInfo( TInt aQueryId, const TDesC& aQueryText, |
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194 TInt aQueryListPosition, TInt aQueryDirection ); |
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195 void SetStateAfterQuery(); |
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196 |
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197 public: |
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198 void SetCurrentFolder( TInt aFolderId ); |
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199 TInt CurrentFolder(); |
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200 |
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201 TBool FindBoxNeeded(); |
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202 TBool QueryNeeded(); |
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203 TBool QueryNeeded( TInt aFolderId ); |
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204 TInt QueryFolder(); |
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205 |
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206 void SetText( TInt aFolderId, const TDesC& aText ); |
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207 void GetText( TInt aFolderId, TDes& aText ); |
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208 void SetTitle( TInt aFolderId, const TDesC& aText ); |
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209 void GetTitle( TInt aFolderId, TDes& aText ); |
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210 void GetSearchTitleL( TDes& aText, TInt aCount ); |
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211 void GetSearchTitle( TDes& aText, TInt aCount ); |
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212 |
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213 void SetUnknownFolderPosition( TInt aQueryCount ); |
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214 void SetListIndex( TInt aFolderId, TInt aListIndex ); |
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215 TInt ListIndex( TInt aFolderId ); |
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216 void EnableNullItemL( TInt aFolderId, const TDesC& aText, TInt aIconId ); |
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217 |
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218 |
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219 private: |
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220 TInt IndexFromId( TInt aFolderId ); |
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221 TInt FolderIndex( TInt aListIndex ); |
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222 |
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223 public: |
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224 TInt PersistentFolderCount( TInt aFolderId ); |
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225 TInt PersistentFolderCount(); |
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226 TInt LeadingPersistentFolderCount(); |
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227 TInt CurrentItemIndex(); |
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228 void SetCurrentItemIndex( TInt aIndex ); |
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229 TInt FolderId( TInt aListIndex ); |
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230 void GetFolderInfo( TInt aListIndex, TInt& aId, TDes& aText, |
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231 TBool& aPersistent, TInt& aIconId ); |
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232 |
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233 public: |
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234 TMFCurrentItemInfo& CurrentItemInfo(); |
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235 TInt QueryDirection(); |
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236 TInt PreviousFolderId(); |
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237 TBool IsPersistent( TInt aFolderId ); |
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238 |
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239 public: |
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240 void ResetUnknownCount(); |
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241 void SetUnknownCount( TInt aFolderId, TInt aCount ); |
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242 TInt UnknownCount( TInt aFolderId ); |
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243 void HideUnknownFolders(); |
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244 void HideUnknownFolder( TInt aFolderId, TInt aUnknownCount ); |
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245 void HideRootFolder( TInt aFolderId, TBool aHidden, |
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246 const TDesC& aText, TInt aIconId ); |
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247 |
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248 public: |
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249 void PrintCurrentFolder(); |
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250 |
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251 public: |
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252 static void GetFolderTypeText(TDes& aText, TInt aType); |
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253 |
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254 private: |
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255 static void Panic( TInt aReason ); |
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256 |
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257 private: |
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258 RArray<TMFListItem> iList; |
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259 TInt iCurrentFolderId; |
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260 TInt iCurrentFolderIndex; |
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261 TInt iListPosition; |
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262 |
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263 // temporary query info - iList is updated after successful query |
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264 TInt iQueryFolderId; |
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265 TInt iQueryDirection; |
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266 TBuf<KBufSize128> iQueryText; |
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267 |
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268 // previous folder id |
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269 TInt iPreviousFolderId; |
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270 |
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271 // current item info, needed for setting focus to current item |
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272 // when media file database changes |
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273 TMFCurrentItemInfo iCurrentItemInfo; |
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274 }; |
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275 |
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276 |
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277 |
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278 #endif // MEDIAFILEDIALOGSTATE_H |
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279 |
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280 // End of File |