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1 /* |
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2 * Copyright (c) 2006 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: Music Player album art editor dialog declaration |
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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 #ifndef MPXALBUMARTEDITORDIALOGCUSTOMCONTROL_H |
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20 #define MPXALBUMARTEDITORDIALOGCUSTOMCONTROL_H |
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21 |
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22 // INCLUDES |
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23 #include <coecntrl.h> |
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24 #include "mpxalbumartutilobserver.h" |
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25 |
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26 // FORWARD DECLARATIONS |
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27 class CEikImage; |
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28 class CEikLabel; |
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29 class CMPXAlbumArtEditorDialog; |
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30 class MMPXAlbumArtEventObserver; |
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31 class CAknsBasicBackgroundControlContext; |
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32 |
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33 // CLASS DECLARATION |
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34 |
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35 /** |
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36 * The custom control for Album Art Dialog. |
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37 */ |
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38 NONSHARABLE_CLASS( CMPXAlbumArtEditorDialogCustomControl ) : public CCoeControl, |
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39 public MMPXAlbumArtUtilObserver |
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40 { |
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41 public: |
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42 // States for category rename operations |
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43 enum TMPXAlbumArtEditorDialogMode |
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44 { |
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45 EMPXAlbumArtEditorDialogBlank = 0, |
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46 EMPXAlbumArtEditorDialogAlbumArt, |
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47 EMPXAlbumArtEditorDialogNoAlbumArt |
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48 }; |
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49 |
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50 public: // Constructors and destructor |
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51 |
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52 /** |
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53 * Two-phased constructor. Leaves on failure. Places the instance on the |
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54 * cleanup stack. |
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55 * @param aParent Parent control. |
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56 * @param aRect The control's extent. |
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57 * @param aObserver observer for album art events |
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58 * @return The constructed item. |
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59 */ |
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60 static CMPXAlbumArtEditorDialogCustomControl* NewLC( const CCoeControl& aParent, |
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61 const TRect& aRect, |
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62 MMPXAlbumArtEventObserver* aObserver ); |
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63 |
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64 /** |
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65 * Two-phased constructor. Leaves on failure. |
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66 * @param aParent Parent control. |
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67 * @param aRect The control's extent. |
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68 * @param aObserver observer for album art events |
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69 * @return The constructed item. |
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70 */ |
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71 static CMPXAlbumArtEditorDialogCustomControl* NewL( const CCoeControl& aParent, |
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72 const TRect& aRect, |
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73 MMPXAlbumArtEventObserver* aObserver ); |
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74 |
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75 /** |
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76 * Destructor. |
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77 */ |
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78 virtual ~CMPXAlbumArtEditorDialogCustomControl(); |
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79 |
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80 private: |
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81 |
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82 /** |
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83 * C++ default constructor. |
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84 */ |
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85 CMPXAlbumArtEditorDialogCustomControl(); |
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86 |
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87 /** |
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88 * By default Symbian 2nd phase constructor is private. |
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89 * @param aParent Parent control. |
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90 * @param aRect The control's extent. |
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91 * @param aObserver observer for album art events |
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92 */ |
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93 void ConstructL( const CCoeControl& aParent, |
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94 const TRect &aRect, |
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95 MMPXAlbumArtEventObserver* aObserver ); |
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96 |
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97 public: // New functions |
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98 |
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99 /** |
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100 * Updates and displays the new album art. |
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101 * @param aMode album art mode. |
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102 * @param aNewAlbumArt The new bitmap album art. |
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103 */ |
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104 void UpdateAlbumArt( TMPXAlbumArtEditorDialogMode aMode, |
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105 CFbsBitmap* aNewAlbumArt = NULL ); |
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106 |
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107 /** |
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108 * Displays image in a specific mode, |
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109 * either Album Art/No Album Art or Various |
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110 * @param aMode album art mode. |
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111 */ |
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112 void SetModeL( TMPXAlbumArtEditorDialogMode aMode ); |
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113 |
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114 /** |
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115 * updates skin color |
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116 */ |
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117 void HandleSkinChangedL(); |
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118 |
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119 private: // from base class MMPXAlbumArtUtilObserver |
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120 |
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121 /** |
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122 * From MMPXAlbumArtUtilObserver. |
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123 * Notify that extraction of album art started. |
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124 */ |
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125 void ExtractAlbumArtStarted(); |
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126 |
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127 /** |
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128 * From MMPXAlbumArtUtilObserver. |
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129 * Album art is extracted from file and ready to use. |
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130 * |
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131 * @param aBitmap a converted image. Ownership is transferred. |
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132 * @param aErr error code |
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133 */ |
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134 void ExtractAlbumArtCompleted( |
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135 CFbsBitmap* aBitmap, |
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136 TInt aErr ); |
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137 |
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138 private: // Functions from base classes |
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139 |
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140 /** |
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141 * Draws to screen. |
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142 * @param aRect The control's extent |
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143 */ |
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144 void Draw( const TRect& aRect ) const; |
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145 |
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146 /** |
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147 * Determines the number of components. |
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148 */ |
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149 TInt CountComponentControls() const; |
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150 |
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151 /** |
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152 * Passes control of indexed component. |
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153 * @param aIndex The desired control index. |
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154 * @return The components control. |
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155 */ |
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156 CCoeControl* ComponentControl( TInt aIndex ) const; |
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157 |
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158 /** |
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159 * Resizes controls. |
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160 */ |
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161 void SizeChanged(); |
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162 |
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163 private: // Data |
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164 |
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165 CEikImage* iImage; // image to display Album Art |
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166 CEikLabel* iLabel; // Labe to display either "(various)" or "(no album art)" |
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167 TMPXAlbumArtEditorDialogMode iMode; // mode of either Album Art, Various or No Album Art |
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168 MMPXAlbumArtEventObserver* iObserver; |
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169 CAknsBasicBackgroundControlContext* iBackground; |
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170 TRect iBorder; |
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171 }; |
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172 |
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173 #endif // MPXALBUMARTEDITORDIALOGCUSTOMCONTROL_H |
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174 |
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175 // End of File |