|
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: List of media items |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 |
|
20 |
|
21 #include "glxmedialist.h" |
|
22 |
|
23 #include <glxcollectionplugintype.hrh> |
|
24 |
|
25 #include <glxassert.h> |
|
26 #include <glxcollectiongeneraldefs.h> |
|
27 #include <glxerrorposter.h> |
|
28 #include <mpxcollectionmessage.h> |
|
29 #include <mpxcollectionmessagedefs.h> |
|
30 #include <mpxcollectionutility.h> |
|
31 #include <mpxcommandgeneraldefs.h> |
|
32 #include <mpxmessagegeneraldefs.h> |
|
33 #include <glxtracer.h> |
|
34 #include <glxlog.h> |
|
35 #include "glxcachemanager.h" |
|
36 #include "glxmedialistarray.h" |
|
37 #include "glxnavigablelist.h" |
|
38 #include "mglxfetchcontext.h" |
|
39 #include "mglxmedialistobserver.h" |
|
40 #include "glxmediastaticitemdefs.h" |
|
41 |
|
42 /** |
|
43 * Min & Max wait interval for a modify event, in microseconds |
|
44 * This is to allow thumbnail manager to procees the event first. |
|
45 */ |
|
46 const TInt KModifyEventMinWaitInterval = 2000000; |
|
47 const TInt KModifyEventMaxWaitInterval = 3000000; |
|
48 /** |
|
49 * Maximum items count for minimum wait interval. |
|
50 */ |
|
51 const TInt KMaxItemsCount = 500; |
|
52 namespace NGlxMediaList |
|
53 { |
|
54 /** |
|
55 * Interface to notify observers. Allows different notifications to use |
|
56 * the same (complicated) iteration loop |
|
57 */ |
|
58 class TNotificationStrategy |
|
59 { |
|
60 public: |
|
61 TNotificationStrategy( MGlxMediaList& aList ) |
|
62 : iList( aList ) |
|
63 { |
|
64 } |
|
65 |
|
66 /** |
|
67 * Notify observer |
|
68 * @param aObserver Observer to notify |
|
69 */ |
|
70 virtual void NotifyL( MGlxMediaListObserver& aObserver ) = 0; |
|
71 |
|
72 protected: |
|
73 MGlxMediaList& iList; |
|
74 }; |
|
75 |
|
76 /** |
|
77 * Notification strategy for items being added |
|
78 */ |
|
79 class TItemsAddedNotificationStrategy : public TNotificationStrategy |
|
80 { |
|
81 public: |
|
82 /** |
|
83 * Constructor |
|
84 * @param aFirstAddedIndex Index of the first item added |
|
85 * @param aCount number of items added |
|
86 * @param aList Media list that sends the notification |
|
87 */ |
|
88 TItemsAddedNotificationStrategy( TInt aFirstAddedIndex, |
|
89 TInt aCount, MGlxMediaList& aList ) |
|
90 : TNotificationStrategy( aList ) |
|
91 { |
|
92 iFirstAddedIndex = aFirstAddedIndex; |
|
93 iLastAddedIndex = aFirstAddedIndex + aCount - 1; |
|
94 } |
|
95 |
|
96 // From MGlxNotificationStrategy |
|
97 void NotifyL( MGlxMediaListObserver& aObserver ) |
|
98 { |
|
99 aObserver.HandleItemAddedL( iFirstAddedIndex, iLastAddedIndex, |
|
100 &iList ); |
|
101 } |
|
102 |
|
103 private: |
|
104 /// Index of the first item added |
|
105 TInt iFirstAddedIndex; |
|
106 /// Index of the last item added |
|
107 TInt iLastAddedIndex; |
|
108 }; |
|
109 |
|
110 /** |
|
111 * Notification strategy for items being removed |
|
112 */ |
|
113 class TItemsRemovedNotificationStrategy : public TNotificationStrategy |
|
114 { |
|
115 public: |
|
116 /** |
|
117 * Constructor |
|
118 * @param aFirstRemovedIndex Index of the first item removed |
|
119 * @param aCount number of items removed |
|
120 * @param aList Media list that sends the notification |
|
121 */ |
|
122 TItemsRemovedNotificationStrategy( TInt aFirstRemovedIndex, |
|
123 TInt aCount, MGlxMediaList& aList ) |
|
124 : TNotificationStrategy( aList ) |
|
125 { |
|
126 iFirstRemovedIndex = aFirstRemovedIndex; |
|
127 iLastRemovedIndex = aFirstRemovedIndex + aCount - 1; |
|
128 } |
|
129 |
|
130 // From MGlxNotificationStrategy |
|
131 void NotifyL( MGlxMediaListObserver& aObserver ) |
|
132 { |
|
133 aObserver.HandleItemRemovedL( iFirstRemovedIndex, |
|
134 iLastRemovedIndex, &iList ); |
|
135 } |
|
136 |
|
137 private: |
|
138 /// Index of the first item removed |
|
139 TInt iFirstRemovedIndex; |
|
140 /// Index of the last item removed |
|
141 TInt iLastRemovedIndex; |
|
142 }; |
|
143 |
|
144 /** |
|
145 * Notification strategy for focus being changed |
|
146 */ |
|
147 class TFocusChangedNotificationStrategy : public TNotificationStrategy |
|
148 { |
|
149 public: |
|
150 /** |
|
151 * Constructor |
|
152 * @param aFirstRemovedIndex Index of the first item removed |
|
153 * @param aCount number of items removed |
|
154 * @param aList Media list that sends the notification |
|
155 */ |
|
156 TFocusChangedNotificationStrategy( NGlxListDefs::TFocusChangeType aType, |
|
157 TInt aNewIndex, TInt aOldIndex, MGlxMediaList& aList ) |
|
158 : TNotificationStrategy( aList ) |
|
159 { |
|
160 iType = aType; |
|
161 iNewIndex = aNewIndex; |
|
162 iOldIndex = aOldIndex; |
|
163 } |
|
164 |
|
165 // From MGlxNotificationStrategy |
|
166 void NotifyL( MGlxMediaListObserver& aObserver ) |
|
167 { |
|
168 aObserver.HandleFocusChangedL( iType, iNewIndex, iOldIndex, &iList ); |
|
169 } |
|
170 |
|
171 private: |
|
172 /// Focus change type |
|
173 NGlxListDefs::TFocusChangeType iType; |
|
174 /// New focus index |
|
175 TInt iNewIndex; |
|
176 /// Old focus index |
|
177 TInt iOldIndex; |
|
178 }; |
|
179 |
|
180 /** |
|
181 * Notification strategy for selection being changed |
|
182 */ |
|
183 class TItemSelectedNotificationStrategy : public TNotificationStrategy |
|
184 { |
|
185 public: |
|
186 /** |
|
187 * Constructor |
|
188 * @param aIndex Index of item being selected/deselected |
|
189 * @param aSelected Selection/deselection info |
|
190 * @param aList Media list that sends the notification |
|
191 */ |
|
192 TItemSelectedNotificationStrategy( TInt aIndex, TBool aSelected, |
|
193 MGlxMediaList& aList ) |
|
194 : TNotificationStrategy( aList ) |
|
195 { |
|
196 iIndex = aIndex; |
|
197 iSelected = aSelected; |
|
198 } |
|
199 |
|
200 // From MGlxNotificationStrategy |
|
201 void NotifyL( MGlxMediaListObserver& aObserver ) |
|
202 { |
|
203 aObserver.HandleItemSelectedL( iIndex, iSelected, &iList ); |
|
204 } |
|
205 |
|
206 private: |
|
207 /// Index of item being selected/deselected |
|
208 TInt iIndex; |
|
209 /// Selection/deselection info |
|
210 TBool iSelected; |
|
211 }; |
|
212 |
|
213 /** |
|
214 * Notification strategy for command being completed |
|
215 */ |
|
216 class TCommandCompletedNotificationStrategy : public TNotificationStrategy |
|
217 { |
|
218 public: |
|
219 /** |
|
220 * Constructor |
|
221 * @param aSessionId Session id of client that issued the command |
|
222 * @param aCommand Command which was completed |
|
223 * @param aError Error code from execution of the command |
|
224 * @param aList Media list that sends the notification |
|
225 */ |
|
226 TCommandCompletedNotificationStrategy( TAny* aSessionId, |
|
227 CMPXCommand* aCommand, TInt aError, MGlxMediaList& aList ) |
|
228 : TNotificationStrategy( aList ) |
|
229 { |
|
230 iSessionId = aSessionId; |
|
231 iCommand = aCommand; |
|
232 iError = aError; |
|
233 } |
|
234 |
|
235 // From MGlxNotificationStrategy |
|
236 void NotifyL( MGlxMediaListObserver& aObserver ) |
|
237 { |
|
238 /// @todo: make this call leaving |
|
239 aObserver.HandleCommandCompleteL( iSessionId, iCommand, iError, &iList ); |
|
240 } |
|
241 |
|
242 private: |
|
243 /// Session id of client that issued the command |
|
244 TAny* iSessionId; |
|
245 /// Command which was completed |
|
246 CMPXCommand* iCommand; |
|
247 /// Error code |
|
248 TBool iError; |
|
249 }; |
|
250 |
|
251 |
|
252 |
|
253 /** |
|
254 * Notification strategy for list population |
|
255 */ |
|
256 class TListPopulatedNotificationStrategy : public TNotificationStrategy |
|
257 { |
|
258 public: |
|
259 /** |
|
260 * Constructor |
|
261 * @param aList Media list that sends the notification |
|
262 */ |
|
263 TListPopulatedNotificationStrategy ( MGlxMediaList& aList ) |
|
264 : TNotificationStrategy( aList ) |
|
265 { |
|
266 } |
|
267 |
|
268 // From MGlxNotificationStrategy |
|
269 void NotifyL( MGlxMediaListObserver& aObserver ) |
|
270 { |
|
271 aObserver.HandlePopulatedL( &iList ); |
|
272 } |
|
273 }; |
|
274 |
|
275 /** |
|
276 * Notification strategy for messages |
|
277 */ |
|
278 class TMessageNotificationStrategy : public TNotificationStrategy |
|
279 { |
|
280 public: |
|
281 /** |
|
282 * Constructor |
|
283 * @param aList Media list that sends the notification |
|
284 */ |
|
285 TMessageNotificationStrategy ( const CMPXMessage& aMessage, MGlxMediaList& aList ) : |
|
286 TNotificationStrategy( aList ), |
|
287 iMessage( aMessage ) |
|
288 { |
|
289 } |
|
290 |
|
291 // From MGlxNotificationStrategy |
|
292 void NotifyL( MGlxMediaListObserver& aObserver ) |
|
293 { |
|
294 aObserver.HandleMessageL( iMessage, &iList ); |
|
295 } |
|
296 |
|
297 private: |
|
298 /// Message which was received |
|
299 const CMPXMessage& iMessage; |
|
300 }; |
|
301 } // namespace NGlxMediaList |
|
302 |
|
303 using namespace NGlxMediaList; |
|
304 |
|
305 // ----------------------------------------------------------------------------- |
|
306 // Returns a new/existing media list interface |
|
307 // ----------------------------------------------------------------------------- |
|
308 CGlxMediaList* CGlxMediaList::InstanceL(const CMPXCollectionPath& aPath, |
|
309 const TGlxHierarchyId& aHierarchyId, CMPXFilter* aFilter) |
|
310 { |
|
311 TRACER("CGlxMediaList::InstanceL" ); |
|
312 |
|
313 CGlxMediaListArray* mediaListArray = CGlxMediaListArray::InstanceL(); |
|
314 CleanupClosePushL(*mediaListArray); |
|
315 |
|
316 RPointerArray<CGlxMediaList>& mediaLists = mediaListArray->Array(); |
|
317 |
|
318 TInt matchIndex = KErrNotFound; |
|
319 CGlxMediaList* mediaListInstance = NULL; // List to return |
|
320 |
|
321 // Try to find an existing media list to return (by matching the path) |
|
322 TInt listCount = mediaLists.Count(); |
|
323 for (TInt count = 0; count < listCount; ++count) |
|
324 { |
|
325 CGlxMediaList* mediaList = mediaLists[count]; |
|
326 |
|
327 // See if path's and hierarchy id's match |
|
328 // Filter is ignored |
|
329 if (mediaList->Equals(aPath) && (mediaList->iHierarchyId == aHierarchyId)) |
|
330 { |
|
331 // Found a match |
|
332 matchIndex = count; |
|
333 mediaListInstance = mediaList; |
|
334 break; |
|
335 } |
|
336 } |
|
337 |
|
338 // Create a new media list if could not use an existing one |
|
339 if (matchIndex == KErrNotFound) |
|
340 { |
|
341 __ASSERT_DEBUG(!mediaListInstance, Panic(EGlxPanicAlreadyInitialised)); |
|
342 |
|
343 mediaListInstance = CGlxMediaList::NewLC(aHierarchyId); |
|
344 |
|
345 // Set specified filter (if any) before opening the collection to path |
|
346 mediaListInstance->SetFilterL(aFilter); |
|
347 mediaListInstance->OpenL(aPath); |
|
348 |
|
349 // Insert media list as highest priority |
|
350 mediaLists.InsertL(mediaListInstance, 0); |
|
351 CleanupStack::Pop(mediaListInstance); |
|
352 } |
|
353 else |
|
354 { |
|
355 __ASSERT_DEBUG(mediaListInstance, Panic(EGlxPanicNullPointer)); |
|
356 |
|
357 // Match found, set as highest priority |
|
358 mediaLists.InsertL(mediaListInstance, 0); |
|
359 mediaLists.Remove(matchIndex + 1); |
|
360 } |
|
361 |
|
362 mediaListInstance->AddReference(); // Add user |
|
363 |
|
364 CleanupStack::PopAndDestroy(mediaListArray); |
|
365 |
|
366 return mediaListInstance; |
|
367 } |
|
368 |
|
369 // ----------------------------------------------------------------------------- |
|
370 // Gives an array of all media lists in current use |
|
371 // ----------------------------------------------------------------------------- |
|
372 RPointerArray<CGlxMediaList>& CGlxMediaList::MediaListsL() |
|
373 { |
|
374 TRACER("CGlxMediaList::MediaListsL" ); |
|
375 |
|
376 CGlxMediaListArray* mediaListArray = CGlxMediaListArray::InstanceL(); |
|
377 RPointerArray<CGlxMediaList>& array = mediaListArray->Array(); |
|
378 mediaListArray->Close(); |
|
379 return array; |
|
380 } |
|
381 |
|
382 // ----------------------------------------------------------------------------- |
|
383 // OfferMedia |
|
384 // ----------------------------------------------------------------------------- |
|
385 // |
|
386 void CGlxMediaList::OfferMedia(const TGlxIdSpaceId& aIdSpaceId, CGlxMedia* aMedia) |
|
387 { |
|
388 TRACER("CGlxMediaList::OfferMedia" ); |
|
389 |
|
390 // try to find the matching item in this list |
|
391 TInt index = Index( aIdSpaceId, aMedia->Id() ); |
|
392 // if matching item found, link media object |
|
393 if ( KErrNotFound != index ) |
|
394 { |
|
395 TGlxMedia& item = iItemList->Item( index ); |
|
396 |
|
397 // static items should not be offered |
|
398 if ( !item.IsStatic() ) |
|
399 { |
|
400 item.SetMedia( aMedia, *this, index ); |
|
401 } |
|
402 } |
|
403 } |
|
404 |
|
405 // ----------------------------------------------------------------------------- |
|
406 // NotifyThumbnailAvailableL |
|
407 // ----------------------------------------------------------------------------- |
|
408 // |
|
409 void CGlxMediaList::HandleAttributesAvailableL(TInt aIndex, |
|
410 const RArray<TMPXAttribute>& aAttributes) |
|
411 { |
|
412 TRACER("CGlxMediaList::HandleAttributesAvailableL" ); |
|
413 |
|
414 __ASSERT_DEBUG(aIndex >= 0, Panic(EGlxPanicLogicError)); // Must exist |
|
415 // Need to get exact count of iItemListObservers at |
|
416 // every iteration because it is possible that |
|
417 // RemoveMediaListObserver might call during this iteration |
|
418 for (TInt i = 0; i < iItemListObservers.Count(); i++) |
|
419 { |
|
420 iItemListObservers[i]->HandleAttributesAvailableL(aIndex, aAttributes, this); |
|
421 } |
|
422 } |
|
423 |
|
424 // ----------------------------------------------------------------------------- |
|
425 // Ask if the list has any requests to place |
|
426 // ----------------------------------------------------------------------------- |
|
427 // |
|
428 void CGlxMediaList::AttributeRequestL(RArray<TInt>& aItemIndexes, |
|
429 RArray<TGlxMediaId>& aItemIds, |
|
430 RArray<TMPXAttribute>& aAttributes, |
|
431 CMPXAttributeSpecs*& aDetailedSpecs) const |
|
432 { |
|
433 TRACER("CGlxMediaList::AttributeRequestL" ); |
|
434 |
|
435 // Find the highest priority context that has something to request |
|
436 TInt count = iContexts.Count(); |
|
437 for (TInt i = 0; i < count; i++) |
|
438 { |
|
439 // Determine items (referenced by index) to request attributes for |
|
440 iContexts[i].iContext->AttributeRequestL(this, aItemIndexes, aAttributes, aDetailedSpecs); |
|
441 |
|
442 // Map item indices to item Ids |
|
443 TInt itemIndicesCount = aItemIndexes.Count(); |
|
444 for (TInt itemIndicesCounter = 0; itemIndicesCounter < itemIndicesCount; ++itemIndicesCounter) |
|
445 { |
|
446 const TGlxMedia& item = iItemList->Item( aItemIndexes[itemIndicesCounter] ); |
|
447 if (!item.IsStatic()) |
|
448 { |
|
449 aItemIds.AppendL( item.Id() ); |
|
450 } |
|
451 } |
|
452 |
|
453 // break if context has something to request |
|
454 if (itemIndicesCount > 0) |
|
455 { |
|
456 break; |
|
457 } |
|
458 } |
|
459 } |
|
460 |
|
461 // --------------------------------------------------------------------------- |
|
462 // AllAttributesL |
|
463 // --------------------------------------------------------------------------- |
|
464 // |
|
465 void CGlxMediaList::GetRequiredAttributesL(TInt aIndex, RArray<TMPXAttribute>& aAttributes) |
|
466 { |
|
467 TRACER("CGlxMediaList::GetRequiredAttributesL" ); |
|
468 |
|
469 TLinearOrder<TMPXAttribute> orderer (&AttributeOrder); |
|
470 |
|
471 // Determine all attributes to request for an item, for all contexts |
|
472 TInt contextCount = iContexts.Count(); |
|
473 for ( TInt contextIndex = 0; contextIndex < contextCount; contextIndex++ ) |
|
474 { |
|
475 const MGlxFetchContext* context = iContexts[contextIndex].iContext; |
|
476 if ( context ) |
|
477 { |
|
478 // Determine all attributes to request for an item, for this context |
|
479 context->AllAttributesL(this, aIndex, aAttributes); |
|
480 |
|
481 } |
|
482 } |
|
483 } |
|
484 |
|
485 // --------------------------------------------------------------------------- |
|
486 // AttributeOrder |
|
487 // --------------------------------------------------------------------------- |
|
488 // |
|
489 TInt CGlxMediaList::AttributeOrder(const TMPXAttribute& aItem1, |
|
490 const TMPXAttribute& aItem2) |
|
491 { |
|
492 TRACER("CGlxMediaList::AttributeOrder"); |
|
493 |
|
494 TInt contentId1 = aItem1.ContentId(); |
|
495 TInt contentId2 = aItem2.ContentId(); |
|
496 |
|
497 if (contentId1 < contentId2) |
|
498 { |
|
499 return -1; |
|
500 } |
|
501 |
|
502 if (contentId1 > contentId2) |
|
503 { |
|
504 return 1; |
|
505 } |
|
506 |
|
507 TUint attributeId1 = aItem1.AttributeId(); |
|
508 TUint attributeId2 = aItem2.AttributeId(); |
|
509 |
|
510 if (attributeId1 < attributeId2) |
|
511 { |
|
512 return -1; |
|
513 } |
|
514 |
|
515 if (attributeId1 > attributeId2) |
|
516 { |
|
517 return 1; |
|
518 } |
|
519 |
|
520 return 0; |
|
521 } |
|
522 |
|
523 // --------------------------------------------------------------------------- |
|
524 // AttributeOrderReversed |
|
525 // --------------------------------------------------------------------------- |
|
526 // |
|
527 TInt CGlxMediaList::AttributeOrderReversed(const TMPXAttribute& aItem1, |
|
528 const TMPXAttribute& aItem2) |
|
529 { |
|
530 TRACER("CGlxMediaList::AttributeOrderReversed"); |
|
531 |
|
532 return -AttributeOrder(aItem1, aItem2); |
|
533 } |
|
534 |
|
535 // --------------------------------------------------------------------------- |
|
536 // Remore references to the media object |
|
537 // --------------------------------------------------------------------------- |
|
538 // |
|
539 void CGlxMediaList::RemoveReference( TInt aIndex ) |
|
540 { |
|
541 TRACER( "CGlxMediaList::RemoveReference" ); |
|
542 GLX_ASSERT_DEBUG( iItemList, Panic( EGlxPanicNotInitialised ), |
|
543 "not ready to remove references" ); |
|
544 |
|
545 GLX_LOG_INFO1( "CGlxMediaList::RemoveReference %d", aIndex ); |
|
546 iItemList->RemoveReference( aIndex ); |
|
547 } |
|
548 |
|
549 // --------------------------------------------------------------------------- |
|
550 // HandleError |
|
551 // --------------------------------------------------------------------------- |
|
552 // |
|
553 void CGlxMediaList::HandleError(TInt aError) |
|
554 { |
|
555 TRACER( "CGlxMediaList::HandleError"); |
|
556 GLX_LOG_INFO1( "CGlxMediaList::HandleError %d", aError ); |
|
557 TInt obsCount = iItemListObservers.Count(); |
|
558 for (TInt obsIdx = 0; obsIdx < obsCount; ++obsIdx) |
|
559 { |
|
560 iItemListObservers[obsIdx]->HandleError(aError); |
|
561 } |
|
562 } |
|
563 |
|
564 // ----------------------------------------------------------------------------- |
|
565 // Releases a media list interface |
|
566 // ----------------------------------------------------------------------------- |
|
567 void CGlxMediaList::Close() |
|
568 { |
|
569 TRACER( "CGlxMediaList::Close" ); |
|
570 |
|
571 RPointerArray<CGlxMediaList>& mediaLists = iMediaListArray->Array(); |
|
572 |
|
573 TInt listCount = mediaLists.Count(); |
|
574 for (TInt count = 0; count < listCount; ++count) |
|
575 { |
|
576 CGlxMediaList* mediaList = mediaLists[count]; |
|
577 |
|
578 if (mediaList == this) |
|
579 { |
|
580 TInt referenceCount = mediaList->RemoveReference(); |
|
581 if (referenceCount == 0) |
|
582 { |
|
583 mediaLists.Remove(count); |
|
584 mediaLists.Compress(); |
|
585 |
|
586 delete mediaList; |
|
587 break; |
|
588 } |
|
589 } |
|
590 } |
|
591 } |
|
592 |
|
593 // ----------------------------------------------------------------------------- |
|
594 // Id |
|
595 // From MGlxMediaList |
|
596 // ----------------------------------------------------------------------------- |
|
597 // |
|
598 TGlxMediaListId CGlxMediaList::Id() const |
|
599 { |
|
600 TRACER( "CGlxMediaList::Id" ); |
|
601 |
|
602 return TGlxMediaListId((unsigned int)(void*)this); |
|
603 } |
|
604 |
|
605 // ----------------------------------------------------------------------------- |
|
606 // Count |
|
607 // From MGlxMediaList |
|
608 // ----------------------------------------------------------------------------- |
|
609 // |
|
610 TInt CGlxMediaList::Count(NGlxListDefs::TCountType aType) const |
|
611 { |
|
612 TRACER("CGlxMediaList::Count"); |
|
613 |
|
614 return iItemList->Count( aType ); |
|
615 } |
|
616 |
|
617 // ----------------------------------------------------------------------------- |
|
618 // FocusIndex |
|
619 // From MGlxMediaList |
|
620 // ----------------------------------------------------------------------------- |
|
621 // |
|
622 TInt CGlxMediaList::FocusIndex() const |
|
623 { |
|
624 TRACER("CGlxMediaList::FocusIndex"); |
|
625 |
|
626 return iItemList->FocusIndex(); |
|
627 } |
|
628 |
|
629 // ----------------------------------------------------------------------------- |
|
630 // SetFocusL |
|
631 // ----------------------------------------------------------------------------- |
|
632 // |
|
633 void CGlxMediaList::SetFocusL(NGlxListDefs::TFocusSetType aType, TInt aValue) |
|
634 { |
|
635 TRACER("CGlxMediaList::SetFocusL"); |
|
636 |
|
637 GLX_LOG_INFO1( "CGlxMediaList::SetFocusL %d", aValue ); |
|
638 iItemList->SetFocus( aType, aValue ); |
|
639 } |
|
640 |
|
641 // ----------------------------------------------------------------------------- |
|
642 // Item |
|
643 // From MGlxMediaList |
|
644 // ----------------------------------------------------------------------------- |
|
645 // |
|
646 const TGlxMedia& CGlxMediaList::Item(TInt aIndex) const |
|
647 { |
|
648 TRACER("CGlxMediaList::Item"); |
|
649 |
|
650 return iItemList->Item( aIndex ); |
|
651 } |
|
652 |
|
653 // ----------------------------------------------------------------------------- |
|
654 // Index |
|
655 // From MGlxMediaList |
|
656 // ----------------------------------------------------------------------------- |
|
657 // |
|
658 TInt CGlxMediaList::Index(const TGlxIdSpaceId& aIdSpaceId, const TGlxMediaId& aId) const |
|
659 { |
|
660 TRACER("CGlxMediaList::Index"); |
|
661 |
|
662 return iItemList->Index( aIdSpaceId, aId ); |
|
663 } |
|
664 |
|
665 // ----------------------------------------------------------------------------- |
|
666 // AddMediaListObserverL |
|
667 // From MGlxMediaList |
|
668 // ----------------------------------------------------------------------------- |
|
669 // |
|
670 void CGlxMediaList::AddMediaListObserverL(MGlxMediaListObserver* aObserver) |
|
671 { |
|
672 TRACER("CGlxMediaList::AddMediaListObserverL"); |
|
673 GLX_LOG_INFO1( "CGlxMediaList::AddMediaListObserverL(0x%x)", aObserver ); |
|
674 |
|
675 // Make sure the observer is not already in the array |
|
676 __ASSERT_DEBUG(iItemListObservers.Find(aObserver) == -1, Panic(EGlxPanicIllegalArgument)); // Observer already added |
|
677 |
|
678 iItemListObservers.AppendL(aObserver); |
|
679 } |
|
680 |
|
681 // ----------------------------------------------------------------------------- |
|
682 // RemoveMediaListObserver |
|
683 // From MGlxMediaList |
|
684 // ----------------------------------------------------------------------------- |
|
685 // |
|
686 void CGlxMediaList::RemoveMediaListObserver(MGlxMediaListObserver* aObserver) |
|
687 { |
|
688 TRACER("CGlxMediaList::RemoveMediaListObserver"); |
|
689 GLX_LOG_INFO1( "CGlxMediaList::RemoveMediaListObserver(0x%x)", aObserver ); |
|
690 |
|
691 TInt index = iItemListObservers.Find(aObserver); |
|
692 |
|
693 // Make sure the observer is in the array |
|
694 // LOG THIS! __ASSERT_DEBUG(index != -1, Panic(EGlxPanicIllegalArgument)); // No such observer |
|
695 |
|
696 if (index != KErrNotFound) |
|
697 { |
|
698 iItemListObservers.Remove(index); |
|
699 } |
|
700 } |
|
701 |
|
702 // ----------------------------------------------------------------------------- |
|
703 // AddContextL |
|
704 // From MGlxMediaList |
|
705 // ----------------------------------------------------------------------------- |
|
706 // |
|
707 void CGlxMediaList::AddContextL(const MGlxFetchContext* aContext, |
|
708 TInt aPriority) |
|
709 { |
|
710 TRACER("CGlxMediaList::AddContextL"); |
|
711 GLX_LOG_INFO1( "CGlxMediaList::AddContextL(0x%x)", aContext ); |
|
712 |
|
713 if (!aContext) |
|
714 { |
|
715 return; |
|
716 } |
|
717 |
|
718 // Add the new context in priority order |
|
719 TContext context; |
|
720 context.iContext = aContext; |
|
721 context.iPriority = aPriority; |
|
722 |
|
723 #ifdef _DEBUG |
|
724 |
|
725 // Make sure no duplicate entries |
|
726 TIdentityRelation<CGlxMediaList::TContext> match (&CGlxMediaList::TContext::Match); |
|
727 __ASSERT_DEBUG(iContexts.Find(context, match) == KErrNotFound, Panic(EGlxPanicAlreadyAdded)); |
|
728 |
|
729 #endif // _DEBUG |
|
730 |
|
731 TLinearOrder<CGlxMediaList::TContext> orderer (&CGlxMediaList::TContext::Compare); |
|
732 TInt ret = iContexts.InsertInOrderAllowRepeats(context, orderer); |
|
733 User::LeaveIfError(ret); |
|
734 |
|
735 iManager->HandleWindowChangedL(this); |
|
736 } |
|
737 |
|
738 // ----------------------------------------------------------------------------- |
|
739 // RemoveContext |
|
740 // From MGlxMediaList |
|
741 // ----------------------------------------------------------------------------- |
|
742 // |
|
743 void CGlxMediaList::RemoveContext(const MGlxFetchContext* aContext) |
|
744 { |
|
745 TRACER("CGlxMediaList::RemoveContext"); |
|
746 GLX_LOG_INFO1( "CGlxMediaList::RemoveContext(0x%x)", aContext ); |
|
747 |
|
748 if (!aContext) |
|
749 { |
|
750 return; |
|
751 } |
|
752 |
|
753 TIdentityRelation<CGlxMediaList::TContext> match (&CGlxMediaList::TContext::Match); |
|
754 TContext context; |
|
755 context.iContext = aContext; |
|
756 context.iPriority = 0; |
|
757 TInt index = iContexts.Find(context, match); |
|
758 |
|
759 // remove the context if it was found, just ignore if its not found |
|
760 if (index != KErrNotFound) |
|
761 { |
|
762 iContexts.Remove(index); |
|
763 // notify cache manager: garbage collection needs to be run to free the |
|
764 // items that the removed context required |
|
765 TRAP_IGNORE( iManager->HandleWindowChangedL( this ) ); |
|
766 } |
|
767 } |
|
768 |
|
769 // ----------------------------------------------------------------------------- |
|
770 // Returns the isolated collection, that is used by this media list |
|
771 // ----------------------------------------------------------------------------- |
|
772 // |
|
773 MMPXCollection& CGlxMediaList::Collection() const |
|
774 { |
|
775 TRACER("CGlxMediaList::Collection"); |
|
776 __ASSERT_DEBUG(iCollectionUtility != NULL, Panic(EGlxPanicNullPointer)); |
|
777 return iCollectionUtility->Collection(); |
|
778 } |
|
779 |
|
780 // ----------------------------------------------------------------------------- |
|
781 // Returns the current path |
|
782 // ----------------------------------------------------------------------------- |
|
783 CMPXCollectionPath* CGlxMediaList::PathLC(NGlxListDefs::TPathType aType) const |
|
784 { |
|
785 TRACER("CGlxMediaList::PathLC"); |
|
786 |
|
787 CMPXCollectionPath* path = CMPXCollectionPath::NewL(); |
|
788 CleanupStack::PushL(path); |
|
789 |
|
790 // Add navigation to parent |
|
791 PathPopulateParentL( *path ); |
|
792 |
|
793 if ( aType == NGlxListDefs::EPathAllOrSelection || |
|
794 aType == NGlxListDefs:: EPathFocusOrSelection ) |
|
795 { |
|
796 // If selection exists, add only selection |
|
797 // Otherwise add all items or focused item |
|
798 if ( iItemList->SelectedItemIndices().Count() > 0 ) |
|
799 { |
|
800 PathPopulateSelectionL( *path ); |
|
801 } |
|
802 else |
|
803 { |
|
804 if ( aType == NGlxListDefs::EPathAllOrSelection ) |
|
805 { |
|
806 PathPopulateAllL( *path ); |
|
807 } |
|
808 else if ( aType == NGlxListDefs:: EPathFocusOrSelection ) |
|
809 { |
|
810 PathPopulateFocusL( *path ); |
|
811 } |
|
812 } |
|
813 } |
|
814 |
|
815 return path; |
|
816 } |
|
817 |
|
818 // ----------------------------------------------------------------------------- |
|
819 // Determines if an item has been selected |
|
820 // ----------------------------------------------------------------------------- |
|
821 TBool CGlxMediaList::IsSelected(TInt aIndex) const |
|
822 { |
|
823 TRACER("CGlxMediaList::IsSelected"); |
|
824 GLX_LOG_INFO1( "CGlxMediaList::IsSelected %d", aIndex ); |
|
825 return iItemList->IsSelected( aIndex ); |
|
826 } |
|
827 |
|
828 // ----------------------------------------------------------------------------- |
|
829 // Handles item selection/deselection |
|
830 // ----------------------------------------------------------------------------- |
|
831 void CGlxMediaList::SetSelectedL(TInt aIndex, TBool aSelected) |
|
832 { |
|
833 TRACER("CGlxMediaList::SetSelectedL"); |
|
834 GLX_LOG_INFO2( "CGlxMediaList::SetSelectedL %d:%d", aIndex, aSelected ); |
|
835 iItemList->SetSelectedL( aIndex, aSelected ); |
|
836 } |
|
837 |
|
838 // ----------------------------------------------------------------------------- |
|
839 // Returns selection count |
|
840 // ----------------------------------------------------------------------------- |
|
841 TInt CGlxMediaList::SelectionCount() const |
|
842 { |
|
843 TRACER("CGlxMediaList::SelectionCount"); |
|
844 |
|
845 return iItemList->SelectedItemIndices().Count(); |
|
846 } |
|
847 |
|
848 // ----------------------------------------------------------------------------- |
|
849 // Returns selected item index from selection |
|
850 // ----------------------------------------------------------------------------- |
|
851 TInt CGlxMediaList::SelectedItemIndex(TInt aSelectionIndex) const |
|
852 { |
|
853 TRACER("CGlxMediaList::SelectedItemIndex"); |
|
854 GLX_LOG_INFO1( "CGlxMediaList::SelectedItemIndex %d", aSelectionIndex ); |
|
855 return iItemList->SelectedItemIndices()[ aSelectionIndex ]; |
|
856 } |
|
857 |
|
858 // ----------------------------------------------------------------------------- |
|
859 // Sends a command to the collection |
|
860 // ----------------------------------------------------------------------------- |
|
861 void CGlxMediaList::CommandL(CMPXCommand& aCommand) |
|
862 { |
|
863 TRACER("CGlxMediaList::CommandL"); |
|
864 |
|
865 // Multiple commands should not happen |
|
866 __ASSERT_DEBUG( !iCommandPending, Panic( EGlxPanicLogicError ) ); |
|
867 |
|
868 // Send the command |
|
869 Collection().CommandL( aCommand ); |
|
870 |
|
871 // Use the sessionId to indicate that a command is pending |
|
872 __ASSERT_DEBUG( aCommand.IsSupported( KMPXCommandGeneralSessionId ), |
|
873 Panic( EGlxPanicLogicError ) ); |
|
874 |
|
875 iCommandPending = aCommand.ValueTObjectL<TAny*>( KMPXCommandGeneralSessionId ); |
|
876 } |
|
877 |
|
878 // ----------------------------------------------------------------------------- |
|
879 // Cancels a command on the collection |
|
880 // ----------------------------------------------------------------------------- |
|
881 void CGlxMediaList::CancelCommand() |
|
882 { |
|
883 TRACER("CGlxMediaList::CancelCommand"); |
|
884 |
|
885 // Cancelling a non issued command should not happen |
|
886 __ASSERT_DEBUG( iCommandPending, Panic( EGlxPanicLogicError ) ); |
|
887 |
|
888 // Cancel command |
|
889 Collection().CancelRequest(); |
|
890 iCommandPending = NULL; |
|
891 } |
|
892 |
|
893 // ----------------------------------------------------------------------------- |
|
894 // Specify filter on the media list |
|
895 // ----------------------------------------------------------------------------- |
|
896 void CGlxMediaList::SetFilterL(CMPXFilter* aFilter) |
|
897 { |
|
898 TRACER("CGlxMediaList::SetFilterL"); |
|
899 |
|
900 // This method now takes a copy of the filter. It does not take ownership of aFilter |
|
901 |
|
902 CMPXFilter* tempFilter = NULL; |
|
903 |
|
904 if (aFilter) |
|
905 { |
|
906 // Create copy of filter |
|
907 tempFilter = CMPXFilter::NewL(*aFilter); |
|
908 CleanupStack::PushL(tempFilter); |
|
909 } |
|
910 |
|
911 // Set filter on the collection |
|
912 Collection().SetFilterL(aFilter); |
|
913 |
|
914 // Re-open collection if filter has been applied and list is already populated |
|
915 if ( iIsPopulated ) |
|
916 { |
|
917 ReOpenL(); |
|
918 |
|
919 iReorderPending = ETrue; |
|
920 } |
|
921 |
|
922 delete iFilter; |
|
923 iFilter = NULL; |
|
924 |
|
925 if (aFilter) |
|
926 { |
|
927 // SetFilterL did not leave. So take ownership of copy |
|
928 CleanupStack::Pop(tempFilter); |
|
929 iFilter = tempFilter; |
|
930 } |
|
931 } |
|
932 |
|
933 // ----------------------------------------------------------------------------- |
|
934 // Returns filter on the media list |
|
935 // ----------------------------------------------------------------------------- |
|
936 CMPXFilter* CGlxMediaList::Filter() const |
|
937 { |
|
938 TRACER("CGlxMediaList::Filter"); |
|
939 |
|
940 return iFilter; |
|
941 } |
|
942 |
|
943 // --------------------------------------------------------------------------- |
|
944 // IdSpaceId |
|
945 // --------------------------------------------------------------------------- |
|
946 // |
|
947 TGlxIdSpaceId CGlxMediaList::IdSpaceId(TInt aIndex) const |
|
948 { |
|
949 TRACER("CGlxMediaList::IdSpaceId"); |
|
950 |
|
951 ///@todo Delegate id space to item list. |
|
952 if (Count() && iItemList->Item(aIndex).IsStatic()) |
|
953 { |
|
954 return KGlxStaticItemIdSpaceId; |
|
955 } |
|
956 else |
|
957 { |
|
958 return iIdSpaceId; |
|
959 } |
|
960 } |
|
961 |
|
962 // --------------------------------------------------------------------------- |
|
963 // CGlxMediaList::IsPopulated() |
|
964 // --------------------------------------------------------------------------- |
|
965 // |
|
966 TBool CGlxMediaList::IsPopulated() const |
|
967 { |
|
968 TRACER("CGlxMediaList::IsPopulated"); |
|
969 |
|
970 return iIsPopulated; |
|
971 } |
|
972 |
|
973 |
|
974 // ----------------------------------------------------------------------------- |
|
975 // Add a static item |
|
976 // ----------------------------------------------------------------------------- |
|
977 // |
|
978 void CGlxMediaList::AddStaticItemL( CGlxMedia* aStaticItem, |
|
979 NGlxListDefs::TInsertionPosition aTargetPosition ) |
|
980 { |
|
981 TRACER("CGlxMediaList::AddStaticItemL"); |
|
982 |
|
983 iItemList->AddStaticItemL( aStaticItem, aTargetPosition ); |
|
984 } |
|
985 |
|
986 // ----------------------------------------------------------------------------- |
|
987 // Remove a static item |
|
988 // ----------------------------------------------------------------------------- |
|
989 // |
|
990 void CGlxMediaList::RemoveStaticItem(const TGlxMediaId& aItemId) |
|
991 { |
|
992 TRACER("CGlxMediaList::RemoveStaticItem"); |
|
993 |
|
994 iItemList->Remove(TGlxIdSpaceId(KGlxStaticItemIdSpaceId), aItemId); |
|
995 } |
|
996 |
|
997 // ----------------------------------------------------------------------------- |
|
998 // Enable/disable static items |
|
999 // ----------------------------------------------------------------------------- |
|
1000 // |
|
1001 void CGlxMediaList::SetStaticItemsEnabled( TBool aEnabled ) |
|
1002 { |
|
1003 TRACER("CGlxMediaList::SetStaticItemsEnabled"); |
|
1004 |
|
1005 iItemList->SetStaticItemsEnabled( aEnabled ); |
|
1006 } |
|
1007 |
|
1008 // ----------------------------------------------------------------------------- |
|
1009 // return ETrue if static items are enabled |
|
1010 // ----------------------------------------------------------------------------- |
|
1011 // |
|
1012 TBool CGlxMediaList::IsStaticItemsEnabled() const |
|
1013 { |
|
1014 TRACER("CGlxMediaList::IsStaticItemsEnabled"); |
|
1015 |
|
1016 return iItemList->IsStaticItemsEnabled(); |
|
1017 } |
|
1018 |
|
1019 // ----------------------------------------------------------------------------- |
|
1020 // Sets the initial focus position |
|
1021 // ----------------------------------------------------------------------------- |
|
1022 // |
|
1023 void CGlxMediaList::SetFocusInitialPosition(NGlxListDefs::TFocusInitialPosition aFocusInitialPosition) |
|
1024 { |
|
1025 TRACER("CGlxMediaList::SetFocusInitialPosition"); |
|
1026 |
|
1027 iItemList->SetFocusInitialPosition( aFocusInitialPosition ); |
|
1028 } |
|
1029 |
|
1030 // ----------------------------------------------------------------------------- |
|
1031 // Resets the focus to the initial position |
|
1032 // ----------------------------------------------------------------------------- |
|
1033 // |
|
1034 void CGlxMediaList::ResetFocus() |
|
1035 { |
|
1036 TRACER("CGlxMediaList::ResetFocus"); |
|
1037 |
|
1038 iItemList->ResetFocus(); |
|
1039 } |
|
1040 |
|
1041 // --------------------------------------------------------------------------- |
|
1042 // From MMPXCollectionObserver |
|
1043 // Handle collection message |
|
1044 // --------------------------------------------------------------------------- |
|
1045 void CGlxMediaList::HandleCollectionMessageL(const CMPXMessage& aMessage) |
|
1046 { |
|
1047 TRACER("CGlxMediaList::HandleCollectionMessageL"); |
|
1048 |
|
1049 |
|
1050 if (aMessage.IsSupported(KMPXMessageGeneralId)) |
|
1051 { |
|
1052 TInt messageId = aMessage.ValueTObjectL<TInt>(KMPXMessageGeneralId); |
|
1053 if ( messageId == KMPXMessageGeneral ) |
|
1054 { |
|
1055 if (!aMessage.IsSupported(KMPXMessageGeneralEvent) || |
|
1056 !aMessage.IsSupported(KMPXMessageGeneralType)) |
|
1057 { |
|
1058 return; |
|
1059 } |
|
1060 |
|
1061 TInt messageEvent = aMessage.ValueTObjectL<TInt>(KMPXMessageGeneralEvent); |
|
1062 if (messageEvent == TMPXCollectionMessage::EPathChanged) |
|
1063 { |
|
1064 GLX_LOG_INFO("CGlxMediaList::HandleCollectionMessageL() EPathChanged"); |
|
1065 |
|
1066 TInt messageType = aMessage.ValueTObjectL<TInt>(KMPXMessageGeneralType); |
|
1067 switch (messageType) |
|
1068 { |
|
1069 case EMcPathChangedByOpen: |
|
1070 { |
|
1071 HandleOpenL(); |
|
1072 break; |
|
1073 } |
|
1074 case EMcPathChangedByCollectionChange: |
|
1075 { |
|
1076 break; |
|
1077 } |
|
1078 default: |
|
1079 __ASSERT_DEBUG(EFalse, Panic(EGlxPanicLogicError)); |
|
1080 break; |
|
1081 } |
|
1082 } |
|
1083 } |
|
1084 else if (messageId == KMPXMessageIdItemChanged) |
|
1085 { |
|
1086 if (!aMessage.IsSupported(KMPXMessageMediaGeneralCategory) || |
|
1087 !aMessage.IsSupported(KMPXMessageChangeEventType) || |
|
1088 !aMessage.IsSupported(KMPXMessageMediaGeneralId)) |
|
1089 { |
|
1090 return; |
|
1091 } |
|
1092 |
|
1093 TMPXChangeEventType messageType = aMessage.ValueTObjectL<TMPXChangeEventType>(KMPXMessageChangeEventType); |
|
1094 switch (messageType) |
|
1095 { |
|
1096 case EMPXItemModified: |
|
1097 { |
|
1098 RArray<TMPXAttribute> attributes; |
|
1099 CleanupClosePushL(attributes); |
|
1100 TMPXItemId itemId = aMessage.ValueTObjectL<TMPXItemId>(KMPXMessageMediaGeneralId); |
|
1101 HandleItemModifiedL(itemId, attributes); |
|
1102 CleanupStack::PopAndDestroy(&attributes); |
|
1103 iManager->HandleWindowChangedL(this); |
|
1104 |
|
1105 // Drop through to perform sync, in case the order has changed |
|
1106 } |
|
1107 case EMPXItemInserted: |
|
1108 case EMPXItemDeleted: |
|
1109 default: |
|
1110 // Items have changed, determine whether to sync now |
|
1111 // or resync later if a sync is already pending after opening |
|
1112 if ( iSyncStatus == KNonePending ) |
|
1113 { |
|
1114 ReOpenL(); // force re-opens |
|
1115 |
|
1116 iSyncStatus = KSyncPending; |
|
1117 } |
|
1118 else |
|
1119 { |
|
1120 iSyncStatus = KResyncPending; |
|
1121 } |
|
1122 break; |
|
1123 } |
|
1124 } |
|
1125 else // received message isn't handled by media list |
|
1126 { |
|
1127 // Inform observers of message |
|
1128 TMessageNotificationStrategy strategy( aMessage, *this ); |
|
1129 NotifyObservers( strategy ); |
|
1130 } |
|
1131 } |
|
1132 } |
|
1133 |
|
1134 // --------------------------------------------------------------------------- |
|
1135 // From MMPXCollectionObserver |
|
1136 // Handles the collection entries being opened. Typically called |
|
1137 // when client has Open()'d a folder |
|
1138 // --------------------------------------------------------------------------- |
|
1139 // |
|
1140 void CGlxMediaList::HandleOpenL(const CMPXMedia& /*aEntries*/, TInt /*aIndex*/, |
|
1141 TBool /*aComplete*/, TInt aError) |
|
1142 { |
|
1143 TRACER("CGlxMediaList::HandleOpenL"); |
|
1144 |
|
1145 /// @todo Need to handle errors |
|
1146 __ASSERT_DEBUG(aError == KErrNone, Panic(EGlxPanicLogicError)); |
|
1147 HandleOpenL(); |
|
1148 } |
|
1149 |
|
1150 // ----------------------------------------------------------------------------- |
|
1151 // HandleOpenL |
|
1152 // ----------------------------------------------------------------------------- |
|
1153 // |
|
1154 void CGlxMediaList::HandleOpenL() |
|
1155 { |
|
1156 TRACER("CGlxMediaList::HandleOpenL"); |
|
1157 |
|
1158 // if we dont have the item list constructed |
|
1159 // dont do anything as it would lead to a crash |
|
1160 if( iItemList ) |
|
1161 { |
|
1162 PopulateL(); |
|
1163 // Sync (via population) has now occured, |
|
1164 // determine whether to resync if one is pending |
|
1165 if ( iSyncStatus == KResyncPending ) |
|
1166 { |
|
1167 ReOpenL(); |
|
1168 |
|
1169 iSyncStatus = KSyncPending; |
|
1170 } |
|
1171 |
|
1172 iManager->HandleWindowChangedL(this); |
|
1173 } |
|
1174 } |
|
1175 |
|
1176 // --------------------------------------------------------------------------- |
|
1177 // From MMPXCollectionObserver |
|
1178 // Handles the collection entries being opened. Typically called |
|
1179 // when client has Open()'d an item. Client typically responds by |
|
1180 // 'playing' the item |
|
1181 // --------------------------------------------------------------------------- |
|
1182 // |
|
1183 void CGlxMediaList::HandleOpenL(const CMPXCollectionPlaylist& /*aPlaylist*/, |
|
1184 TInt /*aError*/) |
|
1185 { |
|
1186 TRACER("CGlxMediaList::HandleOpenL" ); |
|
1187 __ASSERT_DEBUG(EFalse, Panic(EGlxPanicLogicError)); |
|
1188 } |
|
1189 |
|
1190 // --------------------------------------------------------------------------- |
|
1191 // From MMPXCollectionObserver |
|
1192 // Handle extended media properties |
|
1193 // --------------------------------------------------------------------------- |
|
1194 // |
|
1195 void CGlxMediaList::HandleCollectionMediaL(const CMPXMedia& aMedia, TInt aError) |
|
1196 { |
|
1197 TRACER("CGlxMediaList::HandleCollectionMediaL" ); |
|
1198 |
|
1199 iManager->HandleCollectionMediaL(iIdSpaceId, aMedia, aError); |
|
1200 } |
|
1201 |
|
1202 // --------------------------------------------------------------------------- |
|
1203 // From MMPXCollectionObserver |
|
1204 // Handle command completion |
|
1205 // --------------------------------------------------------------------------- |
|
1206 // |
|
1207 void CGlxMediaList::HandleCommandComplete(CMPXCommand* aCommandResult, TInt aError) |
|
1208 { |
|
1209 TRACER("CGlxMediaList::HandleCommandComplete" ); |
|
1210 |
|
1211 // SessionId is stored in iCommandPending |
|
1212 TAny* sessionId = iCommandPending; |
|
1213 |
|
1214 // Clear command pending flag here, in case an observer issues another command |
|
1215 iCommandPending = NULL; |
|
1216 |
|
1217 TCommandCompletedNotificationStrategy strategy( sessionId, aCommandResult, aError, *this ); |
|
1218 NotifyObservers( strategy ); |
|
1219 } |
|
1220 |
|
1221 // ----------------------------------------------------------------------------- |
|
1222 // NewLC |
|
1223 // ----------------------------------------------------------------------------- |
|
1224 // |
|
1225 CGlxMediaList* CGlxMediaList::NewLC(const TGlxHierarchyId& aHierarchyId) |
|
1226 { |
|
1227 TRACER("CGlxMediaList::NewLC" ); |
|
1228 |
|
1229 CGlxMediaList* obj = new (ELeave) CGlxMediaList(aHierarchyId); |
|
1230 CleanupStack::PushL(obj); |
|
1231 obj->ConstructL(); |
|
1232 return obj; |
|
1233 } |
|
1234 |
|
1235 // ----------------------------------------------------------------------------- |
|
1236 // Constructor |
|
1237 // ----------------------------------------------------------------------------- |
|
1238 // |
|
1239 CGlxMediaList::CGlxMediaList(const TGlxHierarchyId& aHierarchyId) : |
|
1240 iIdSpaceId(KGlxIdNone), |
|
1241 iHierarchyId(aHierarchyId), iVisibleWindowIndex( 0 ) |
|
1242 { |
|
1243 TRACER("CGlxMediaList::CGlxMediaList"); |
|
1244 |
|
1245 __ASSERT_DEBUG(KErrNotFound == -1, Panic(EGlxPanicDebugUnexpectedError)); |
|
1246 } |
|
1247 |
|
1248 // ----------------------------------------------------------------------------- |
|
1249 // Destructor |
|
1250 // ----------------------------------------------------------------------------- |
|
1251 // |
|
1252 CGlxMediaList::~CGlxMediaList() |
|
1253 { |
|
1254 TRACER("CGlxMediaList::~CGlxMediaList" ); |
|
1255 |
|
1256 if (iCollectionUtility) |
|
1257 { |
|
1258 iCollectionUtility->Close(); |
|
1259 } |
|
1260 |
|
1261 iErrorPoster->Close(); |
|
1262 |
|
1263 iItemListObservers.Close(); |
|
1264 __ASSERT_DEBUG(iContexts.Count() == 0, Panic(EGlxPanicLogicError)); // Release all contexts |
|
1265 iContexts.Close(); |
|
1266 iPath.Close(); |
|
1267 |
|
1268 delete iItemList; |
|
1269 delete iFilter; |
|
1270 |
|
1271 if (iMediaListArray) |
|
1272 { |
|
1273 iMediaListArray->Close(); |
|
1274 } |
|
1275 |
|
1276 iCountAttributes.Close(); |
|
1277 |
|
1278 // close the manager last as it may delete the cache and thus the CGlxMedia |
|
1279 // objects.. item list destructor manipulates those objects so need to do it in this order |
|
1280 if(iManager) |
|
1281 { |
|
1282 iManager->HandleListDeleted( this ); |
|
1283 iManager->Close(); |
|
1284 } |
|
1285 } |
|
1286 |
|
1287 // ----------------------------------------------------------------------------- |
|
1288 // ConstructL |
|
1289 // ----------------------------------------------------------------------------- |
|
1290 // |
|
1291 void CGlxMediaList::ConstructL() |
|
1292 { |
|
1293 TRACER("CGlxMediaList::ConstructL" ); |
|
1294 |
|
1295 iCollectionUtility = MMPXCollectionUtility::NewL(this, KMcModeIsolated); |
|
1296 iManager = CGlxCacheManager::InstanceL(); |
|
1297 iErrorPoster = CGlxErrorPoster::InstanceL(); |
|
1298 iMediaListArray = CGlxMediaListArray::InstanceL(); |
|
1299 iCountAttributes.AppendL(KGlxMediaCollectionPluginSpecificSubTitle); |
|
1300 iCountAttributes.AppendL(KGlxMediaGeneralSlideshowableContent); |
|
1301 } |
|
1302 |
|
1303 // ----------------------------------------------------------------------------- |
|
1304 // Initialize the media list |
|
1305 // ----------------------------------------------------------------------------- |
|
1306 // |
|
1307 void CGlxMediaList::OpenL(const CMPXCollectionPath& aPath) |
|
1308 { |
|
1309 TRACER("CGlxMediaList::OpenL" ); |
|
1310 |
|
1311 __ASSERT_DEBUG(iPath.Count() == 0, Panic(EGlxPanicAlreadyInitialised)); |
|
1312 |
|
1313 // Copy the path's depth dimension |
|
1314 TInt levels = aPath.Levels(); |
|
1315 |
|
1316 iPath.ReserveL(levels); |
|
1317 for (TInt level = 0; level < levels; level++) |
|
1318 { |
|
1319 TGlxMediaId id(aPath.Id(level)); |
|
1320 iPath.Append(id); |
|
1321 } |
|
1322 |
|
1323 |
|
1324 // Id space ids will no longer be retrieved from the collection framework |
|
1325 // See ID: ESLU-7C8CVN Inc9 MP: Error "Program closed: Music player" occurs if |
|
1326 // user presses Rocker Select key continually in Album art view. |
|
1327 |
|
1328 // Consider the following scenario: |
|
1329 // 1. User launches fetcher dialog |
|
1330 // 2. Fetcher opens a medialist |
|
1331 // 3. MGlxMediaList::InstanceL starts an async wait loop allowing other active objects to run |
|
1332 // 4. User cancels fetcher |
|
1333 // 5. Fetcher does not have a handle to the MGlxMediaList so it cannot cancel or close it. |
|
1334 // --> We leak a medialist and leave an async wait loop in client processes active scheduler. |
|
1335 |
|
1336 if (levels) |
|
1337 { |
|
1338 iIdSpaceId = aPath.Id(0); |
|
1339 } |
|
1340 else |
|
1341 { |
|
1342 iIdSpaceId = KGlxIdSpaceIdRoot; |
|
1343 } |
|
1344 |
|
1345 iItemList = CGlxNavigableList::NewL( iIdSpaceId, *this, *this ); |
|
1346 |
|
1347 OpenCollectionL( aPath ); |
|
1348 } |
|
1349 |
|
1350 // ----------------------------------------------------------------------------- |
|
1351 // AddReference |
|
1352 // ----------------------------------------------------------------------------- |
|
1353 // |
|
1354 TInt CGlxMediaList::AddReference() |
|
1355 { |
|
1356 TRACER("CGlxMediaList::AddReference"); |
|
1357 |
|
1358 iReferenceCount++; |
|
1359 return iReferenceCount; |
|
1360 } |
|
1361 |
|
1362 // ----------------------------------------------------------------------------- |
|
1363 // RemoveReference |
|
1364 // ----------------------------------------------------------------------------- |
|
1365 // |
|
1366 TInt CGlxMediaList::RemoveReference() |
|
1367 { |
|
1368 TRACER("CGlxMediaList::RemoveReference"); |
|
1369 |
|
1370 __ASSERT_ALWAYS(iReferenceCount > 0, Panic(EGlxPanicLogicError)); |
|
1371 iReferenceCount--; |
|
1372 return iReferenceCount; |
|
1373 } |
|
1374 |
|
1375 // ----------------------------------------------------------------------------- |
|
1376 // ReferenceCount |
|
1377 // ----------------------------------------------------------------------------- |
|
1378 // |
|
1379 TInt CGlxMediaList::ReferenceCount() const |
|
1380 { |
|
1381 TRACER("CGlxMediaList::ReferenceCount"); |
|
1382 |
|
1383 return iReferenceCount; |
|
1384 } |
|
1385 |
|
1386 // ----------------------------------------------------------------------------- |
|
1387 // Returns ETrue if this media list refers to the path |
|
1388 // ----------------------------------------------------------------------------- |
|
1389 // |
|
1390 TBool CGlxMediaList::Equals(const CMPXCollectionPath& aPath) const |
|
1391 { |
|
1392 TRACER("CGlxMediaList::Equals" ); |
|
1393 |
|
1394 TInt myLevels = iPath.Count(); |
|
1395 TInt pathLevels = aPath.Levels(); |
|
1396 if (myLevels != pathLevels) |
|
1397 { |
|
1398 return EFalse; |
|
1399 } |
|
1400 |
|
1401 // Check if path's match |
|
1402 for (TInt i = 0; i < myLevels; i++) |
|
1403 { |
|
1404 if (iPath[i] != TGlxMediaId(aPath.Id(i))) |
|
1405 { |
|
1406 return EFalse; |
|
1407 } |
|
1408 } |
|
1409 |
|
1410 return ETrue; // Match |
|
1411 } |
|
1412 |
|
1413 // ----------------------------------------------------------------------------- |
|
1414 // Determines if a filter has been set |
|
1415 // ----------------------------------------------------------------------------- |
|
1416 TBool CGlxMediaList::IsFiltered() const |
|
1417 { |
|
1418 TRACER("CGlxMediaList::IsFiltered"); |
|
1419 |
|
1420 return iFilter != NULL; |
|
1421 } |
|
1422 |
|
1423 // ----------------------------------------------------------------------------- |
|
1424 // Synchronise the media list |
|
1425 // ----------------------------------------------------------------------------- |
|
1426 void CGlxMediaList::ReOpenL() |
|
1427 { |
|
1428 TRACER("CGlxMediaList::ReOpenL" ); |
|
1429 |
|
1430 // We must not re-open the list before it has been opened the first time |
|
1431 // note - this can happen if update messages are received whilst retreiving |
|
1432 // the id space id |
|
1433 if ( !iItemList ) |
|
1434 { |
|
1435 return; |
|
1436 } |
|
1437 |
|
1438 CMPXCollectionPath* path = PathLC( NGlxListDefs::EPathParent ); |
|
1439 |
|
1440 OpenCollectionL( *path ); |
|
1441 |
|
1442 CleanupStack::PopAndDestroy(path); |
|
1443 } |
|
1444 |
|
1445 // ----------------------------------------------------------------------------- |
|
1446 // Populates the list, i.e., opens the collection with the path |
|
1447 // ----------------------------------------------------------------------------- |
|
1448 // |
|
1449 void CGlxMediaList::PopulateL() |
|
1450 { |
|
1451 TRACER("CGlxMediaList::PopulateL" ); |
|
1452 |
|
1453 // Reserve space for all items in cache, that this media list is a potential user |
|
1454 // This allows SetContentsL to build user links without having to reserve space |
|
1455 iManager->ReserveUsersL( iIdSpaceId, CGlxMediaList::MediaListsL().Count() ); |
|
1456 |
|
1457 CMPXCollectionPath* path = Collection().PathL(); |
|
1458 CleanupStack::PushL(path); |
|
1459 |
|
1460 if ( iReorderPending ) |
|
1461 { |
|
1462 iItemList->ReorderContentsL( *path, *iManager ); |
|
1463 iReorderPending = EFalse; |
|
1464 } |
|
1465 else |
|
1466 { |
|
1467 iItemList->SetContentsL( *path, *iManager ); |
|
1468 |
|
1469 // Sync has now occured, |
|
1470 // if only a sync was pending, clear sync status |
|
1471 if ( iSyncStatus == KSyncPending ) |
|
1472 { |
|
1473 iSyncStatus = KNonePending; |
|
1474 } |
|
1475 } |
|
1476 |
|
1477 CleanupStack::PopAndDestroy(path); |
|
1478 |
|
1479 // The list contents may have changed, so update each used media with the |
|
1480 // current index into the list |
|
1481 UpdateMedia(); |
|
1482 |
|
1483 // Inform observers of first time population |
|
1484 if (!iIsPopulated) |
|
1485 { |
|
1486 TListPopulatedNotificationStrategy strategy( *this ); |
|
1487 NotifyObservers( strategy ); |
|
1488 iIsPopulated = ETrue; // Do this only once. |
|
1489 } |
|
1490 } |
|
1491 |
|
1492 // ----------------------------------------------------------------------------- |
|
1493 // Handles item modifications |
|
1494 // ----------------------------------------------------------------------------- |
|
1495 void CGlxMediaList::HandleItemModifiedL(TInt aId, const RArray<TMPXAttribute>& aAttributes) |
|
1496 { |
|
1497 TRACER("CGlxMediaList::HandleItemModifiedL"); |
|
1498 GLX_LOG_INFO1( "CGlxMediaList::HandleItemModifiedL %d", aId ); |
|
1499 TGlxMediaId id(aId); |
|
1500 |
|
1501 /// @todo: Check that the correct IdSpaceId is being used here |
|
1502 |
|
1503 TInt index = Index(iIdSpaceId, id); |
|
1504 |
|
1505 if (index != KErrNotFound) |
|
1506 { |
|
1507 iManager->HandleItemModified(iIdSpaceId, id, aAttributes); |
|
1508 |
|
1509 RArray<TInt> itemIndices; |
|
1510 CleanupClosePushL(itemIndices); |
|
1511 itemIndices.AppendL(index); |
|
1512 |
|
1513 // Inform observers of modified items |
|
1514 TInt obsCount = iItemListObservers.Count(); |
|
1515 GLX_DEBUG2("ML:HandleItemModifiedL obsCount=%d", obsCount); |
|
1516 for (TInt obsIdx = 0; obsIdx < obsCount; obsIdx++) |
|
1517 { |
|
1518 MGlxMediaListObserver* obs = iItemListObservers[obsIdx]; |
|
1519 obs->HandleItemModifiedL(itemIndices, this); |
|
1520 } |
|
1521 |
|
1522 CleanupStack::PopAndDestroy(&itemIndices); |
|
1523 RPointerArray<CGlxMediaList>& mediaLists = iMediaListArray->Array(); |
|
1524 TInt listCount = mediaLists.Count(); |
|
1525 GLX_DEBUG2("ML:HandleItemModifiedL listCount=%d", listCount); |
|
1526 if (listCount > 0) |
|
1527 { |
|
1528 CGlxMediaList* mediaList = mediaLists[listCount-1]; |
|
1529 // Force a delay to allow TNM to process the modified event |
|
1530 if (mediaList == this) |
|
1531 { |
|
1532 GLX_DEBUG3("ML:HandleItemModifiedL(wait) listCount=%d, Id=%d", |
|
1533 listCount, id.Value()); |
|
1534 TTimeIntervalMicroSeconds32 timeout; |
|
1535 timeout = (mediaList->Count() > KMaxItemsCount ? |
|
1536 KModifyEventMaxWaitInterval : KModifyEventMinWaitInterval ); |
|
1537 RTimer timer; |
|
1538 CleanupClosePushL(timer); |
|
1539 TRequestStatus status; |
|
1540 timer.CreateLocal(); |
|
1541 timer.After(status, timeout); |
|
1542 // User::WaitForRequest() will add codescanner warning but is necessary |
|
1543 // as User::WaitForAnyRequest() cannot be used in this case |
|
1544 User::WaitForRequest(status); |
|
1545 CleanupStack::PopAndDestroy(&timer); |
|
1546 } |
|
1547 } |
|
1548 } |
|
1549 } |
|
1550 |
|
1551 // ----------------------------------------------------------------------------- |
|
1552 // NotifyObserversOfMediaL |
|
1553 // ----------------------------------------------------------------------------- |
|
1554 // |
|
1555 void CGlxMediaList::NotifyObserversOfMediaL(TInt aListIndex) |
|
1556 { |
|
1557 TRACER("CGlxMediaList::NotifyObserversOfMediaL"); |
|
1558 GLX_LOG_INFO1( "CGlxMediaList::NotifyObserversOfMediaL %d", aListIndex ); |
|
1559 TInt count = iItemListObservers.Count(); |
|
1560 for (TInt i = 0; i < count; i++) |
|
1561 { |
|
1562 iItemListObservers[i]->HandleMediaL(aListIndex, this); |
|
1563 } |
|
1564 } |
|
1565 |
|
1566 // ----------------------------------------------------------------------------- |
|
1567 // Notify observers of items added |
|
1568 // ----------------------------------------------------------------------------- |
|
1569 // |
|
1570 void CGlxMediaList::HandleItemsAdded( TInt aAddedAtIndex, TInt aCount ) |
|
1571 { |
|
1572 TRACER("CGlxMediaList::HandleItemsAdded"); |
|
1573 |
|
1574 TItemsAddedNotificationStrategy strategy( aAddedAtIndex, aCount, *this ); |
|
1575 NotifyObservers( strategy ); |
|
1576 } |
|
1577 |
|
1578 // ----------------------------------------------------------------------------- |
|
1579 // Notify observers of items removed |
|
1580 // ----------------------------------------------------------------------------- |
|
1581 // |
|
1582 void CGlxMediaList::HandleItemsRemoved( TInt aRemovedFromIndex, TInt aCount ) |
|
1583 { |
|
1584 TRACER("CGlxMediaList::HandleItemsRemoved"); |
|
1585 |
|
1586 TItemsRemovedNotificationStrategy strategy( aRemovedFromIndex, aCount, |
|
1587 *this ); |
|
1588 NotifyObservers( strategy ); |
|
1589 } |
|
1590 |
|
1591 // ----------------------------------------------------------------------------- |
|
1592 // Notify observers of focus change |
|
1593 // ----------------------------------------------------------------------------- |
|
1594 // |
|
1595 void CGlxMediaList::HandleFocusChanged( NGlxListDefs::TFocusChangeType aType, |
|
1596 TInt aNewIndex, TInt aOldIndex ) |
|
1597 { |
|
1598 TRACER("CGlxMediaList::HandleFocusChanged"); |
|
1599 |
|
1600 TFocusChangedNotificationStrategy strategy( aType, aNewIndex, aOldIndex, |
|
1601 *this ); |
|
1602 NotifyObservers( strategy ); |
|
1603 } |
|
1604 |
|
1605 // ----------------------------------------------------------------------------- |
|
1606 // Notify observers of selection having changed |
|
1607 // ----------------------------------------------------------------------------- |
|
1608 // |
|
1609 void CGlxMediaList::HandleItemSelected( TInt aIndex, TBool aSelected ) |
|
1610 { |
|
1611 TRACER("CGlxMediaList::HandleItemSelected"); |
|
1612 |
|
1613 TItemSelectedNotificationStrategy strategy( aIndex, aSelected, *this ); |
|
1614 NotifyObservers( strategy ); |
|
1615 } |
|
1616 |
|
1617 // ----------------------------------------------------------------------------- |
|
1618 // Call strategy object for each observer |
|
1619 // ----------------------------------------------------------------------------- |
|
1620 // |
|
1621 void CGlxMediaList::NotifyObservers( TNotificationStrategy& aStrategy ) |
|
1622 { |
|
1623 TRACER("CGlxMediaList::NotifyObservers"); |
|
1624 |
|
1625 // Notify all observers, even if some of them leave leave. |
|
1626 // "i" needs to be volatile, so that it does not get optimised into a |
|
1627 // register. If i were in a register and observer left, i's new value |
|
1628 // would be lost. |
|
1629 volatile TInt i = iItemListObservers.Count() - 1; |
|
1630 |
|
1631 // Loop count + 1 times, so that iManager also gets notified if last |
|
1632 // observer leaves. Iterate backwards in case observes remove themselves |
|
1633 // from the observer array during the callbacks. |
|
1634 while ( i >= -1 ) // usually tested only twice |
|
1635 { |
|
1636 TRAPD( err, |
|
1637 { |
|
1638 while ( i >= 0 ) |
|
1639 { |
|
1640 aStrategy.NotifyL( *iItemListObservers[ i ] ); |
|
1641 i--; |
|
1642 } |
|
1643 |
|
1644 iManager->HandleWindowChangedL( this ); |
|
1645 } |
|
1646 ); |
|
1647 |
|
1648 if ( err != KErrNone ) |
|
1649 { |
|
1650 iErrorPoster->PostError(err); |
|
1651 } |
|
1652 |
|
1653 i--; |
|
1654 } |
|
1655 } |
|
1656 |
|
1657 // ----------------------------------------------------------------------------- |
|
1658 // Populates the path with hierarchy to parent |
|
1659 // ----------------------------------------------------------------------------- |
|
1660 // |
|
1661 inline void CGlxMediaList::PathPopulateParentL(CMPXCollectionPath& aPath) const |
|
1662 { |
|
1663 TRACER("CGlxMediaList::PathPopulateParentL"); |
|
1664 |
|
1665 // Add navigational hierarchy to path |
|
1666 TInt pathCount = iPath.Count(); |
|
1667 for (TInt i = 0; i < pathCount; ++i) |
|
1668 { |
|
1669 aPath.AppendL( iPath[ i ].Value() ); |
|
1670 } |
|
1671 } |
|
1672 |
|
1673 // ----------------------------------------------------------------------------- |
|
1674 // Populates the path with all items and sets the focus |
|
1675 // ----------------------------------------------------------------------------- |
|
1676 // |
|
1677 inline void CGlxMediaList::PathPopulateAllL(CMPXCollectionPath& aPath) const |
|
1678 { |
|
1679 TRACER("CGlxMediaList::PathPopulateAllL"); |
|
1680 |
|
1681 RArray<TMPXItemId> mpxIds; |
|
1682 CleanupClosePushL( mpxIds ); |
|
1683 |
|
1684 // Reserve space for all items |
|
1685 TInt itemCount = iItemList->Count(); |
|
1686 mpxIds.ReserveL( itemCount ); |
|
1687 |
|
1688 // Obtain TMPXItemId for each item |
|
1689 for (TInt i = 0; i < itemCount; ++i) |
|
1690 { |
|
1691 if ( !iItemList->Item( i ).IsStatic() ) |
|
1692 { |
|
1693 mpxIds.AppendL( iItemList->Item( i ).Id().Value() ); |
|
1694 } |
|
1695 } |
|
1696 |
|
1697 // Add Ids to current level in path |
|
1698 aPath.AppendL( mpxIds.Array() ); |
|
1699 |
|
1700 // Set focused item |
|
1701 TInt focusIndex = FocusIndex(); |
|
1702 if ( focusIndex >= 0 ) |
|
1703 { |
|
1704 if ( !iItemList->Item( focusIndex ).IsStatic() ) |
|
1705 { |
|
1706 aPath.Set( focusIndex - iItemList->Count( NGlxListDefs::ECountPreStatic ) ); |
|
1707 } |
|
1708 } |
|
1709 |
|
1710 CleanupStack::PopAndDestroy( &mpxIds ); |
|
1711 } |
|
1712 |
|
1713 // ----------------------------------------------------------------------------- |
|
1714 // Populates the path with focused item and sets the focus |
|
1715 // ----------------------------------------------------------------------------- |
|
1716 // |
|
1717 inline void CGlxMediaList::PathPopulateFocusL(CMPXCollectionPath& aPath) const |
|
1718 { |
|
1719 TRACER("CGlxMediaList::PathPopulateFocusL"); |
|
1720 |
|
1721 // Obtain focused item |
|
1722 TInt focusIndex = FocusIndex(); |
|
1723 if ( focusIndex >= 0 ) |
|
1724 { |
|
1725 const TGlxMedia& item = iItemList->Item( focusIndex ); |
|
1726 if ( !item.IsStatic() ) |
|
1727 { |
|
1728 // Add focused item to path |
|
1729 aPath.AppendL( item.Id().Value() ); |
|
1730 aPath.Set( 0 ); |
|
1731 } |
|
1732 } |
|
1733 } |
|
1734 |
|
1735 // ----------------------------------------------------------------------------- |
|
1736 // Populates the path with selected items and selects all |
|
1737 // ----------------------------------------------------------------------------- |
|
1738 // |
|
1739 inline void CGlxMediaList::PathPopulateSelectionL(CMPXCollectionPath& aPath) const |
|
1740 { |
|
1741 TRACER("CGlxMediaList::PathPopulateSelectionL"); |
|
1742 |
|
1743 RArray<TMPXItemId> mpxIds; |
|
1744 CleanupClosePushL( mpxIds ); |
|
1745 |
|
1746 // Reserve space for all items |
|
1747 TInt selectionCount = iItemList->SelectedItemIndices().Count(); |
|
1748 mpxIds.ReserveL( selectionCount ); |
|
1749 |
|
1750 // Obtain TMPXItemId for each item |
|
1751 for (TInt i = 0; i < selectionCount; ++i) |
|
1752 { |
|
1753 TInt selectedItemIndex = iItemList->SelectedItemIndices()[ i ]; |
|
1754 mpxIds.AppendL( iItemList->Item( selectedItemIndex ).Id().Value() ); |
|
1755 } |
|
1756 |
|
1757 // Add Ids to current level in path |
|
1758 aPath.AppendL( mpxIds.Array() ); |
|
1759 |
|
1760 // Set selection |
|
1761 aPath.SelectAllL(); |
|
1762 |
|
1763 CleanupStack::PopAndDestroy( &mpxIds ); |
|
1764 } |
|
1765 |
|
1766 // ----------------------------------------------------------------------------- |
|
1767 // Updates each media used by this media list with the current index |
|
1768 // ----------------------------------------------------------------------------- |
|
1769 // |
|
1770 inline void CGlxMediaList::UpdateMedia() |
|
1771 { |
|
1772 TRACER("CGlxMediaList::UpdateMedia"); |
|
1773 |
|
1774 TInt count = iItemList->Count(); |
|
1775 for (TInt i = 0; i < count; ++i) |
|
1776 { |
|
1777 TGlxMedia& item = iItemList->Item( i ); |
|
1778 |
|
1779 // static items should not be updated |
|
1780 if ( !item.IsStatic() ) |
|
1781 { |
|
1782 item.UpdateMedia( *this, i ); |
|
1783 UpdateMediaInvalidateAttributesChangedByCounts(item); |
|
1784 } |
|
1785 } |
|
1786 } |
|
1787 |
|
1788 // ----------------------------------------------------------------------------- |
|
1789 // Updates each media used by this media list with the current index |
|
1790 // ----------------------------------------------------------------------------- |
|
1791 // |
|
1792 inline void CGlxMediaList::UpdateMediaInvalidateAttributesChangedByCounts(TGlxMedia& aItem) |
|
1793 { |
|
1794 TRACER("CGlxMediaList::UpdateMediaInvalidateAttributesChangedByCounts"); |
|
1795 |
|
1796 iManager->HandleItemModified(iIdSpaceId, aItem.Id(), iCountAttributes); |
|
1797 } |
|
1798 |
|
1799 // ----------------------------------------------------------------------------- |
|
1800 // Opens a collection at the appropriate level |
|
1801 // ----------------------------------------------------------------------------- |
|
1802 // |
|
1803 void CGlxMediaList::OpenCollectionL(const CMPXCollectionPath& aPath) |
|
1804 { |
|
1805 TRACER("CGlxMediaList::OpenCollectionL"); |
|
1806 |
|
1807 // Open the level |
|
1808 if ( aPath.Levels() == 0 ) |
|
1809 { |
|
1810 Collection().OpenL( TUid::Uid( EGlxCollectionPluginShowInMainListView ) ); |
|
1811 } |
|
1812 else |
|
1813 { |
|
1814 Collection().OpenL( aPath ); |
|
1815 } |
|
1816 } |
|
1817 |
|
1818 |
|
1819 // ----------------------------------------------------------------------------- |
|
1820 // Compare contexts by pointer |
|
1821 // ----------------------------------------------------------------------------- |
|
1822 // |
|
1823 TBool CGlxMediaList::TContext::Match(const TContext& a1, const TContext& a2) |
|
1824 { |
|
1825 TRACER("CGlxMediaList::TContext::Match"); |
|
1826 |
|
1827 return a1.iContext == a2.iContext; |
|
1828 } |
|
1829 |
|
1830 // ----------------------------------------------------------------------------- |
|
1831 // Compare contexts by priority |
|
1832 // ----------------------------------------------------------------------------- |
|
1833 // |
|
1834 TBool CGlxMediaList::TContext::Compare(const TContext& a1, const TContext& a2) |
|
1835 { |
|
1836 TRACER("CGlxMediaList::TContext::Compare"); |
|
1837 |
|
1838 return a2.iPriority - a1.iPriority; |
|
1839 } |
|
1840 |
|
1841 // ----------------------------------------------------------------------------- |
|
1842 // Set the visible dataWindow index |
|
1843 // ----------------------------------------------------------------------------- |
|
1844 // |
|
1845 void CGlxMediaList::SetVisibleWindowIndexL( TInt aIndex ) |
|
1846 { |
|
1847 TRACER("CGlxMediaList::SetVisibleWindowIndexL"); |
|
1848 __ASSERT_ALWAYS( aIndex <= Count(), Panic( EGlxPanicIllegalArgument ) ); |
|
1849 if( aIndex != iVisibleWindowIndex ) |
|
1850 { |
|
1851 iVisibleWindowIndex = aIndex; |
|
1852 GLX_DEBUG2("SetVisibleWindowIndexL() iVisibleWindowIndex=%d", |
|
1853 iVisibleWindowIndex); |
|
1854 iManager->HandleWindowChangedL(this); |
|
1855 iManager->RefreshL(); |
|
1856 } |
|
1857 } |
|
1858 |
|
1859 // ----------------------------------------------------------------------------- |
|
1860 // Returns visible dataWindow index |
|
1861 // ----------------------------------------------------------------------------- |
|
1862 // |
|
1863 TInt CGlxMediaList::VisibleWindowIndex() const |
|
1864 { |
|
1865 TRACER("CGlxMediaList::VisibleWindowIndex"); |
|
1866 return iVisibleWindowIndex; |
|
1867 } |
|
1868 |
|
1869 // ----------------------------------------------------------------------------- |
|
1870 // Cancels the pending attribute/thumbnail requests |
|
1871 // ----------------------------------------------------------------------------- |
|
1872 |
|
1873 void CGlxMediaList::CancelPreviousRequests() |
|
1874 { |
|
1875 TRACER("CGlxMediaList::CancelPreviousRequests"); |
|
1876 |
|
1877 TInt focusIndex = FocusIndex(); |
|
1878 |
|
1879 if(focusIndex >= KErrNone) |
|
1880 { |
|
1881 if(!Item(focusIndex).Properties()) |
|
1882 { |
|
1883 // If media is NULL, cancel the previous pending request. |
|
1884 // Place a new request for the item in focus, to fetch the media attributes |
|
1885 iManager->CancelPreviousRequest(); |
|
1886 } |
|
1887 } |
|
1888 } |