|
1 /* |
|
2 * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: Title fetcher |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 |
|
20 |
|
21 #ifndef GLXTITLEFETCHER_H |
|
22 #define GLXTITLEFETCHER_H |
|
23 |
|
24 #include <e32base.h> |
|
25 #include <coedef.h> |
|
26 #include <w32std.h> |
|
27 #include <mglxmedialistobserver.h> |
|
28 #include "mglxtitlefetcherobserver.h" |
|
29 |
|
30 |
|
31 class CMPXCollectionPath; |
|
32 class MGlxMediaList; |
|
33 class CGlxDefaultAttributeContext; |
|
34 |
|
35 |
|
36 class CGlxTitleFetcher : public CBase, public MGlxMediaListObserver |
|
37 { |
|
38 public: |
|
39 /** |
|
40 * Constructs an instance of CGlxTitleFetcher and initiates obtaining |
|
41 * a title |
|
42 * |
|
43 * @param aObserver Observer of this list |
|
44 * @param aPath The current path by which to obtain the title |
|
45 */ |
|
46 static CGlxTitleFetcher* NewL(MGlxTitleFetcherObserver& aObserver, |
|
47 CMPXCollectionPath* aPath); |
|
48 |
|
49 IMPORT_C virtual ~CGlxTitleFetcher(); |
|
50 |
|
51 // From MGlxMediaListObserver |
|
52 virtual void HandleItemAddedL(TInt aStartIndex, TInt aEndIndex, |
|
53 MGlxMediaList* aList); |
|
54 |
|
55 /** |
|
56 * Notification that media object is now available for an item |
|
57 * |
|
58 * @param Index of the item |
|
59 */ |
|
60 virtual void HandleMediaL(TInt /*aListIndex*/, MGlxMediaList* /*aList*/) {}; |
|
61 |
|
62 /** |
|
63 * Notification that media item was removed from the list |
|
64 * |
|
65 * @param aStartIndex First item that was removed |
|
66 * @param aEndIndex Last item that was removed |
|
67 */ |
|
68 virtual void HandleItemRemovedL(TInt /*aStartIndex*/, TInt /*aEndIndex*/, |
|
69 MGlxMediaList* /*aList*/) {}; |
|
70 |
|
71 /** |
|
72 * Notification that media item was changed |
|
73 * |
|
74 * @param aItemIndexes Indexes of items that were changed |
|
75 */ |
|
76 virtual void HandleItemModifiedL(const RArray<TInt>& /*aItemIndexes*/, |
|
77 MGlxMediaList* /*aList*/) {}; |
|
78 |
|
79 |
|
80 /** |
|
81 * Notification that an attribute is available |
|
82 * |
|
83 * @param aItemIndex Index of the for which the thumbnail is available |
|
84 * @param aAttributes Array of attributes that have become available |
|
85 * @param aList List that this callback relates to |
|
86 */ |
|
87 virtual void HandleAttributesAvailableL(TInt aItemIndex, |
|
88 const RArray<TMPXAttribute>& aAttributes, MGlxMediaList* aList); |
|
89 |
|
90 /** |
|
91 * Notification that focus has moved |
|
92 * |
|
93 * @param aType the direction of the focus change |
|
94 * @param aNewIndex the new index after the focus change |
|
95 * @param aOldIndex the old index before the focus change |
|
96 * @param aList List that this callback relates to |
|
97 */ |
|
98 virtual void HandleFocusChangedL(NGlxListDefs::TFocusChangeType /*aType*/, |
|
99 TInt /*aNewIndex*/, TInt /*aOldIndex*/, MGlxMediaList* /*aList*/) {}; |
|
100 |
|
101 /** |
|
102 * Notification that an item has been selected/deselected |
|
103 * |
|
104 * @param aIndex Index of the item that has been selected/deselected |
|
105 * @param aSelected Boolean to indicate selection/deselection |
|
106 * @param aList List that the selection relates to |
|
107 */ |
|
108 virtual void HandleItemSelectedL(TInt /*aIndex*/, TBool /*aSelected*/, |
|
109 MGlxMediaList* /*aList*/) {}; |
|
110 |
|
111 /** |
|
112 * Notification from the collection. E.g. Items added/modified/deleted and progress notifications |
|
113 * |
|
114 * @param aMessage Message notification from the collection |
|
115 * @param aList List that the notification relates to |
|
116 */ |
|
117 virtual void HandleMessageL(const CMPXMessage& /*aMessage*/, |
|
118 MGlxMediaList* /*aList*/) {}; |
|
119 |
|
120 private: |
|
121 |
|
122 CGlxTitleFetcher(MGlxTitleFetcherObserver& aObserver, |
|
123 CMPXCollectionPath* aPath); |
|
124 |
|
125 void ConstructL(); |
|
126 |
|
127 private: |
|
128 |
|
129 MGlxTitleFetcherObserver& iObserver; |
|
130 CMPXCollectionPath* iPath; |
|
131 TMPXItemId iPathId; |
|
132 MGlxMediaList* iBackMediaList; |
|
133 CGlxDefaultAttributeContext* iContext; |
|
134 }; |
|
135 |
|
136 |
|
137 #endif // GLXTITLEFETCHER_H |