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1 /* |
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2 * Copyright (c) 2007-2008 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: Slideshow thumbnail context |
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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 #ifndef __SHWTHUMBNAILCONTEXT_H__ |
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22 #define __SHWTHUMBNAILCONTEXT_H__ |
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23 |
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24 // INCLUDES |
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25 #include <e32std.h> |
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26 #include <e32base.h> |
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27 |
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28 #include <glxmedialistiterator.h> |
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29 #include <glxthumbnailcontext.h> |
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30 |
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31 // FORWARD DECLARATIONS |
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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 * CShwThumbnailContext |
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37 * |
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38 */ |
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39 NONSHARABLE_CLASS( CShwThumbnailContext ) : public CBase, |
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40 public MGlxMediaListIterator |
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41 { |
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42 public: |
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43 |
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44 /** |
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45 * Constructor. |
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46 * @param aIndex, the medialist index for the thumbnail to load |
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47 * @param aSize, the size for the thumbnail |
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48 */ |
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49 static CShwThumbnailContext* NewLC( TInt aIndex, TSize aSize ); |
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50 |
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51 /** |
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52 * Destructor. |
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53 */ |
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54 ~CShwThumbnailContext(); |
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55 |
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56 public: // the API |
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57 |
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58 /** |
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59 * Retrieve the index |
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60 * @return the index of the media list item associated with this context |
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61 */ |
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62 TInt Index(); |
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63 |
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64 /// @ref MGlxFetchContext::RequestCountL |
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65 TInt RequestCountL(const MGlxMediaList* aList) const; |
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66 |
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67 /** |
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68 * Retrieve the context. |
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69 * @return the context stored in this class |
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70 */ |
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71 MGlxFetchContext* Context(); |
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72 |
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73 public: // from MGlxMediaListIterator |
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74 |
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75 /// @ref MGlxMediaListIterator::SetToFirst |
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76 void SetToFirst( const MGlxMediaList* aList ); |
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77 /// @ref MGlxMediaListIterator::operator++ |
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78 TInt operator++( TInt ); |
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79 /// @ref MGlxMediaListIterator::InRange |
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80 TBool InRange( TInt aIndex ) const; |
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81 |
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82 private: // Constructors |
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83 |
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84 /** |
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85 * C++ constructor. |
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86 */ |
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87 CShwThumbnailContext( TInt aIndex, TSize aSize ); |
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88 |
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89 /** |
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90 * 2nd stage constructor |
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91 */ |
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92 void ConstructL(); |
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93 |
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94 private: |
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95 |
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96 /// Own: the high quality thumbnail context |
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97 CGlxThumbnailContext* iHighQualityContext; |
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98 /// Own: flag set to ETrue when all attributes have been iterated |
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99 TBool iIterated; |
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100 /// Own: the size of the thumbnail for this context |
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101 TSize iSize; |
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102 /// Own: the currrent focus item |
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103 TInt iCurrentIndex; |
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104 |
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105 }; |
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106 |
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107 #endif // __SHWTHUMBNAILCONTEXT_H__ |