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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: CGlxContainerListBinding This class holds the list of |
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15 * tags/albums associated with a media item |
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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 #ifndef _GLXCONTAINERLISTBINDING_H_ |
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23 #define _GLXCONTAINERLISTBINDING_H_ |
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24 |
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25 #include <e32base.h> // Container Base Class |
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26 #include <mpxattribute.h> // lib mpxcommon.lib |
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27 #include <mglxmedialistobserver.h> // Observes for changes in media list |
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28 #include "glxattributecontext.h" // Fetch context to retrieve thumbnails |
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29 #include "glxbinding.h" // holds the bindings required to populate the visual item |
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30 #include "glxustringconverter.h" // class that converts the symbian types to UString type |
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31 |
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32 class CMPXCollectionPath; // mpxcommon.lib |
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33 class CGlxAttributeContext; // Fetch context to retrieve thumbnails |
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34 class MGlxMediaList; // lib glxmedialists.lib |
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35 class TGlxMedia; // media item in the item pool |
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36 |
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37 namespace Alf |
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38 { |
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39 class IAlfVariantType; // lib alfwidgetmodel.lib |
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40 class MulVisualItem; // Client need to use this class to add data in data model |
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41 } |
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42 |
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43 namespace osncore |
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44 { |
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45 class UString; // encapsulates utf-8 encoded string |
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46 } |
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47 |
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48 /** |
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49 * CGlxContainerListBinding This class holds the list of tags/albums associated with a media item |
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50 */ |
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51 NONSHARABLE_CLASS( CGlxContainerListBinding ) : public CGlxSingleTagBinding, |
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52 public MGlxMediaListObserver |
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53 { |
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54 public: |
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55 |
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56 /** |
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57 * NewL Two phase construction |
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58 */ |
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59 static CGlxContainerListBinding* NewL( const Alf::mulvisualitem::TVisualAttribute& aMulTag /*const char* const aMulTag*/, |
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60 const CMPXCollectionPath& aPath ); |
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61 |
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62 /** |
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63 * NewLC Two phase construction |
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64 */ |
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65 static CGlxContainerListBinding* NewLC( const Alf::mulvisualitem::TVisualAttribute& aMulTag /*const char* const aMulTag*/, |
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66 const CMPXCollectionPath& aPath ); |
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67 |
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68 /** |
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69 * Destructor |
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70 */ |
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71 ~CGlxContainerListBinding(); |
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72 |
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73 private: |
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74 |
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75 /** |
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76 * ConstructL Two phase construction |
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77 */ |
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78 void ConstructL( const Alf::mulvisualitem::TVisualAttribute& aMulTag /*const char* const aMulTag*/, const CMPXCollectionPath& aPath ); |
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79 |
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80 // From MGlxMediaListObserver |
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81 void HandleItemAddedL( TInt aStartIndex, TInt aEndIndex, MGlxMediaList* aList ); |
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82 void HandleItemRemovedL( TInt aStartIndex, TInt aEndIndex, MGlxMediaList* aList ); |
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83 void HandleAttributesAvailableL( TInt aItemIndex, |
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84 const RArray<TMPXAttribute>& aAttributes, MGlxMediaList* aList ); |
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85 void HandleFocusChangedL( NGlxListDefs::TFocusChangeType aType, |
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86 TInt aNewIndex, TInt aOldIndex, MGlxMediaList* aList ); |
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87 void HandleItemSelectedL(TInt aIndex, TBool aSelected, MGlxMediaList* aList ) ; |
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88 void HandleMessageL( const CMPXMessage& aMessage, MGlxMediaList* aList ) ; |
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89 void HandleMediaL( TInt aListIndex, MGlxMediaList* aList ) ; |
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90 void HandleItemModifiedL( const RArray<TInt>& aItemIndexes, MGlxMediaList* aList ); |
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91 |
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92 // From CGlxBinding |
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93 void PopulateT( Alf::MulVisualItem& aItem, const TGlxMedia& aMedia, |
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94 TBool aIsFocused ) const; |
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95 |
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96 /** |
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97 * Create media list |
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98 * @ param aMediaId media id for creating filtered media list |
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99 */ |
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100 void CreateMediaListL(TGlxMediaId aMedia) const; |
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101 |
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102 /** |
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103 * Close media list |
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104 */ |
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105 void CloseMediaList(); |
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106 |
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107 /** |
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108 * HandleFocusChanged |
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109 * @param aIsGained holds the focus change status |
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110 * @param aPath source path to the collection |
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111 */ |
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112 TResponse HandleFocusChanged( TBool aIsGained ); |
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113 |
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114 private: |
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115 |
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116 //Medialist that holds the list of tags/albums |
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117 mutable MGlxMediaList* iContainerList; |
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118 |
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119 //Fetch context to get the attributes |
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120 CGlxDefaultAttributeContext* iFetchContext; |
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121 |
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122 // collection path from which to fetch the attribute |
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123 CMPXCollectionPath* iContainerPath; |
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124 |
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125 TGlxSequentialIterator iIterator; |
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126 |
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127 }; |
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128 |
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129 #endif //_GLXCONTAINERLISTBINDING_H_ |