60
|
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 |
// my include
|
|
22 |
#include "glxstaticitemlist.h"
|
|
23 |
|
|
24 |
// system includes
|
|
25 |
#include <glxassert.h>
|
|
26 |
#include <glxtracer.h>
|
|
27 |
|
|
28 |
// user includes
|
|
29 |
#include "glxitemlist.h"
|
|
30 |
#include "glxmediastaticitemdefs.h"
|
|
31 |
|
|
32 |
using namespace NGlxListDefs;
|
|
33 |
|
|
34 |
|
|
35 |
// -----------------------------------------------------------------------------
|
|
36 |
// Destructor
|
|
37 |
// -----------------------------------------------------------------------------
|
|
38 |
//
|
|
39 |
CGlxStaticItemList::RStaticMediaArray::~RStaticMediaArray()
|
|
40 |
{
|
|
41 |
TRACER( "CGlxStaticItemList::RStaticMediaArray::~RStaticMediaArray" );
|
|
42 |
|
|
43 |
// delete owned static items
|
|
44 |
TInt count = Count();
|
|
45 |
for ( TInt i = 0 ; i < count; i++ )
|
|
46 |
{
|
|
47 |
Delete( i );
|
|
48 |
}
|
|
49 |
Close();
|
|
50 |
}
|
|
51 |
|
|
52 |
// -----------------------------------------------------------------------------
|
|
53 |
// Delete item at index
|
|
54 |
// -----------------------------------------------------------------------------
|
|
55 |
void CGlxStaticItemList::RStaticMediaArray::Delete( TInt aIndex )
|
|
56 |
{
|
|
57 |
TRACER( "CGlxStaticItemList::RStaticMediaArray::Delete" );
|
|
58 |
|
|
59 |
delete ( (*this)[ aIndex ] ).Properties();
|
|
60 |
}
|
|
61 |
|
|
62 |
// -----------------------------------------------------------------------------
|
|
63 |
// CGlxStaticItemList class implementation
|
|
64 |
// -----------------------------------------------------------------------------
|
|
65 |
|
|
66 |
// -----------------------------------------------------------------------------
|
|
67 |
// Two-phase constructor
|
|
68 |
// -----------------------------------------------------------------------------
|
|
69 |
//
|
|
70 |
CGlxStaticItemList* CGlxStaticItemList::NewL( const TGlxIdSpaceId& aIdSpaceId,
|
|
71 |
MGlxItemListObserver& aObserver, MGlxMediaUser& aMediaUser )
|
|
72 |
{
|
|
73 |
TRACER( "CGlxStaticItemList::NewL");
|
|
74 |
CGlxStaticItemList* self = new (ELeave) CGlxStaticItemList( aObserver );
|
|
75 |
CleanupStack::PushL( self );
|
|
76 |
self->ConstructL( aIdSpaceId, aMediaUser );
|
|
77 |
CleanupStack::Pop( self );
|
|
78 |
return self;
|
|
79 |
}
|
|
80 |
|
|
81 |
// -----------------------------------------------------------------------------
|
|
82 |
// Constructor
|
|
83 |
// -----------------------------------------------------------------------------
|
|
84 |
//
|
|
85 |
CGlxStaticItemList::CGlxStaticItemList( MGlxItemListObserver& aObserver )
|
|
86 |
: iObserver( aObserver )
|
|
87 |
{
|
|
88 |
TRACER( "CGlxStaticItemList::CGlxStaticItemList" );
|
|
89 |
|
|
90 |
// Enable static items by default
|
|
91 |
iStaticItemsEnabled = ETrue;
|
|
92 |
}
|
|
93 |
|
|
94 |
// -----------------------------------------------------------------------------
|
|
95 |
// Second-phase constructor
|
|
96 |
// -----------------------------------------------------------------------------
|
|
97 |
//
|
|
98 |
void CGlxStaticItemList::ConstructL( const TGlxIdSpaceId& aIdSpaceId,
|
|
99 |
MGlxMediaUser& aMediaUser )
|
|
100 |
{
|
|
101 |
TRACER( "CGlxStaticItemList::ConstructL" );
|
|
102 |
|
|
103 |
iItemList = CGlxItemList::NewL( aIdSpaceId, *this, aMediaUser );
|
|
104 |
__TEST_INVARIANT;
|
|
105 |
}
|
|
106 |
|
|
107 |
// -----------------------------------------------------------------------------
|
|
108 |
// Destructor
|
|
109 |
// -----------------------------------------------------------------------------
|
|
110 |
//
|
|
111 |
CGlxStaticItemList::~CGlxStaticItemList()
|
|
112 |
{
|
|
113 |
TRACER( "CGlxStaticItemList::~CGlxStaticItemList" );
|
|
114 |
|
|
115 |
delete iItemList;
|
|
116 |
// iFrontStaticItems and iRearStaticItems have a destructor that closes them
|
|
117 |
}
|
|
118 |
|
|
119 |
// -----------------------------------------------------------------------------
|
|
120 |
// return id space id
|
|
121 |
// -----------------------------------------------------------------------------
|
|
122 |
//
|
|
123 |
const TGlxIdSpaceId& CGlxStaticItemList::IdSpaceId() const
|
|
124 |
{
|
|
125 |
TRACER( "CGlxStaticItemList::IdSpaceId");
|
|
126 |
return iItemList->IdSpaceId();
|
|
127 |
}
|
|
128 |
|
|
129 |
// -----------------------------------------------------------------------------
|
|
130 |
// Synchronise contents of the list with the collection path
|
|
131 |
// -----------------------------------------------------------------------------
|
|
132 |
//
|
|
133 |
void CGlxStaticItemList::SetContentsL( const CMPXCollectionPath& aPath,
|
|
134 |
const MGlxMediaPool& aMediaPool )
|
|
135 |
{
|
|
136 |
TRACER( "CGlxStaticItemList::SetContentsL" );
|
|
137 |
|
|
138 |
__TEST_INVARIANT;
|
|
139 |
iItemList->SetContentsL( aPath, aMediaPool );
|
|
140 |
__TEST_INVARIANT;
|
|
141 |
}
|
|
142 |
|
|
143 |
// -----------------------------------------------------------------------------
|
|
144 |
// Remove an item form the list
|
|
145 |
// -----------------------------------------------------------------------------
|
|
146 |
//
|
|
147 |
void CGlxStaticItemList::Remove( const TGlxIdSpaceId& aIdSpaceId,
|
|
148 |
const TGlxMediaId& aItemId )
|
|
149 |
{
|
|
150 |
TRACER( "CGlxStaticItemList::Remove" );
|
|
151 |
|
|
152 |
__TEST_INVARIANT;
|
|
153 |
|
|
154 |
if ( aIdSpaceId == KGlxStaticItemIdSpaceId )
|
|
155 |
{
|
|
156 |
DeleteStaticItem( aItemId );
|
|
157 |
}
|
|
158 |
else
|
|
159 |
{
|
|
160 |
iItemList->Remove( aIdSpaceId, aItemId );
|
|
161 |
}
|
|
162 |
|
|
163 |
__TEST_INVARIANT;
|
|
164 |
}
|
|
165 |
|
|
166 |
// -----------------------------------------------------------------------------
|
|
167 |
// Remove any pointers to the media object at the specified index
|
|
168 |
// -----------------------------------------------------------------------------
|
|
169 |
//
|
|
170 |
void CGlxStaticItemList::RemoveReference( TInt aIndex )
|
|
171 |
{
|
|
172 |
TRACER( "CGlxStaticItemList::RemoveReference" );
|
|
173 |
|
|
174 |
__ASSERT_DEBUG( aIndex >= iCountCurrentFrontStatic &&
|
|
175 |
aIndex < iCountCurrentFrontStatic + CountNonStatic(),
|
|
176 |
Panic( EGlxPanicIllegalArgument ) );
|
|
177 |
|
|
178 |
return iItemList->RemoveReference( aIndex - iCountCurrentFrontStatic );
|
|
179 |
}
|
|
180 |
|
|
181 |
// -----------------------------------------------------------------------------
|
|
182 |
// Add a static item
|
|
183 |
// -----------------------------------------------------------------------------
|
|
184 |
//
|
|
185 |
void CGlxStaticItemList::AddStaticItemL( CGlxMedia* aStaticItem,
|
|
186 |
TInsertionPosition aTargetPosition )
|
|
187 |
{
|
|
188 |
TRACER( "CGlxStaticItemList::AddStaticItemL" );
|
|
189 |
__TEST_INVARIANT;
|
|
190 |
|
|
191 |
if ( !aStaticItem )
|
|
192 |
{
|
|
193 |
GLX_LOG_WARNING( "Supplied static item is null" );
|
|
194 |
return;
|
|
195 |
}
|
|
196 |
|
|
197 |
__ASSERT_DEBUG( aStaticItem->Id() != KGlxIdNone, Panic( EGlxPanicIllegalArgument ) ); // Must have an id defined,
|
|
198 |
|
|
199 |
// Since ownership is given, it is assumed that this function is free to
|
|
200 |
// modify the static item
|
|
201 |
SetupStaticItemL( *aStaticItem );
|
|
202 |
|
|
203 |
// make reservations to arrays so that the object supplied as parameter
|
|
204 |
// can be safely modified. Assumption is that client has pushed aStaticItem
|
|
205 |
// to cleanup stack.
|
|
206 |
// for simplicity, reserve in both static arrays, although only one is needed
|
|
207 |
iRearStaticItems.ReserveL( iRearStaticItems.Count() + 1 ); // Space for one new item
|
|
208 |
iFrontStaticItems.ReserveL( iFrontStaticItems.Count() + 1 ); // Space for one new item
|
|
209 |
|
|
210 |
// try to replace existing static item with the same id, if any
|
|
211 |
// TryReplaceStaticItem only replaces the item if the item exists
|
|
212 |
// in the same position (list beginning/end) as the new one
|
|
213 |
if ( !TryReplaceStaticItem( *aStaticItem, aTargetPosition ) )
|
|
214 |
{
|
|
215 |
// TryReplaceStaticItem will fail if the item already exists, but in the
|
|
216 |
// other end of the list (aTargetPosition). Therefore, need to try to
|
|
217 |
// delete the static item, if any.
|
|
218 |
// this call notifies the observer of item being removed
|
|
219 |
DeleteStaticItem( aStaticItem->Id() );
|
|
220 |
|
|
221 |
// add the item to static item list, notified observer if
|
|
222 |
// static items currently active
|
|
223 |
AddStaticItem( *aStaticItem, aTargetPosition );
|
|
224 |
}
|
|
225 |
|
|
226 |
__TEST_INVARIANT;
|
|
227 |
}
|
|
228 |
|
|
229 |
// -----------------------------------------------------------------------------
|
|
230 |
// Try to replace and existing static item
|
|
231 |
// inline private member function only in cpp file, so will be inlined in arm
|
|
232 |
// (ok as long as called only once)
|
|
233 |
// -----------------------------------------------------------------------------
|
|
234 |
//
|
|
235 |
inline TBool CGlxStaticItemList::TryReplaceStaticItem( CGlxMedia& aStaticItem,
|
|
236 |
TInsertionPosition aTargetPosition )
|
|
237 |
{
|
|
238 |
TRACER( "CGlxStaticItemList::TryReplaceStaticItem" );
|
|
239 |
|
|
240 |
GLX_ASSERT_DEBUG(aTargetPosition == EInsertFirst || aTargetPosition == EInsertLast, Panic(EGlxPanicLogicError), "Unknown static item target position");
|
|
241 |
|
|
242 |
if (aTargetPosition == EInsertFirst)
|
|
243 |
{
|
|
244 |
return TryReplaceStaticItem( aStaticItem, iFrontStaticItems );
|
|
245 |
}
|
|
246 |
else
|
|
247 |
{
|
|
248 |
return TryReplaceStaticItem( aStaticItem, iRearStaticItems );
|
|
249 |
}
|
|
250 |
}
|
|
251 |
|
|
252 |
// -----------------------------------------------------------------------------
|
|
253 |
// Try to replace and existing static item
|
|
254 |
// -----------------------------------------------------------------------------
|
|
255 |
//
|
|
256 |
TBool CGlxStaticItemList::TryReplaceStaticItem( CGlxMedia& aStaticItem,
|
|
257 |
RStaticMediaArray& aStaticItemArray )
|
|
258 |
{
|
|
259 |
TRACER( "CGlxStaticItemList::TryReplaceStaticItem");
|
|
260 |
|
|
261 |
// try to find a static item with the same id in the array.
|
|
262 |
// if found, replace the original static item with the new one
|
|
263 |
TInt index = Index( aStaticItem.Id(), aStaticItemArray );
|
|
264 |
if ( KErrNotFound != index )
|
|
265 |
{
|
|
266 |
// delete old static itemm does not remove space from array
|
|
267 |
aStaticItemArray.Delete( index );
|
|
268 |
// take ownership of the static item
|
|
269 |
aStaticItemArray[ index ] = TGlxMedia( aStaticItem );
|
|
270 |
|
|
271 |
GLX_LOG_INFO( "Existing static item replaced" );
|
|
272 |
return ETrue; // replaced
|
|
273 |
}
|
|
274 |
|
|
275 |
return EFalse; // not replaced
|
|
276 |
}
|
|
277 |
|
|
278 |
// -----------------------------------------------------------------------------
|
|
279 |
// Remove static item
|
|
280 |
// -----------------------------------------------------------------------------
|
|
281 |
//
|
|
282 |
void CGlxStaticItemList::DeleteStaticItem( const TGlxMediaId& aId )
|
|
283 |
{
|
|
284 |
TRACER( "CGlxStaticItemList::DeleteStaticItem");
|
|
285 |
|
|
286 |
// blindly try both arrays, does nothing if item not found
|
|
287 |
DeleteStaticItem( aId, iFrontStaticItems, 0,
|
|
288 |
iCountCurrentFrontStatic );
|
|
289 |
DeleteStaticItem( aId, iRearStaticItems, FirstPostStaticIndex(),
|
|
290 |
iCountCurrentRearStatic );
|
|
291 |
}
|
|
292 |
|
|
293 |
// -----------------------------------------------------------------------------
|
|
294 |
// Remove static item
|
|
295 |
// -----------------------------------------------------------------------------
|
|
296 |
//
|
|
297 |
void CGlxStaticItemList::DeleteStaticItem( const TGlxMediaId& aId,
|
|
298 |
RStaticMediaArray& aStaticItemArray, TInt aArrayOffset,
|
|
299 |
TInt& aCountCurrentStatic )
|
|
300 |
{
|
|
301 |
TRACER( "CGlxStaticItemList::DeleteStaticItem");
|
|
302 |
|
|
303 |
TInt index = Index( aId, aStaticItemArray );
|
|
304 |
if ( KErrNotFound != index )
|
|
305 |
{
|
|
306 |
// delete old static item, does not remove space from array
|
|
307 |
aStaticItemArray.Delete( index );
|
|
308 |
|
|
309 |
// remove item from array
|
|
310 |
aStaticItemArray.Remove( index );
|
|
311 |
|
|
312 |
if ( iStaticItemsEnabled )
|
|
313 |
{
|
|
314 |
// Remove from static item count
|
|
315 |
aCountCurrentStatic--;
|
|
316 |
// notify observer
|
|
317 |
iObserver.HandleItemsRemoved( index + aArrayOffset, 1 );
|
|
318 |
}
|
|
319 |
}
|
|
320 |
}
|
|
321 |
|
|
322 |
// -----------------------------------------------------------------------------
|
|
323 |
// Add a static item
|
|
324 |
// -----------------------------------------------------------------------------
|
|
325 |
//
|
|
326 |
void CGlxStaticItemList::AddStaticItem( CGlxMedia& aStaticItem,
|
|
327 |
NGlxListDefs::TInsertionPosition aTargetPosition )
|
|
328 |
{
|
|
329 |
TRACER( "CGlxStaticItemList::AddStaticItem");
|
|
330 |
|
|
331 |
// add the item to static item list, notified observer if
|
|
332 |
// static items currently active
|
|
333 |
if ( EInsertFirst == aTargetPosition )
|
|
334 |
{
|
|
335 |
AddFrontStaticItem( aStaticItem );
|
|
336 |
}
|
|
337 |
else
|
|
338 |
{
|
|
339 |
AddRearStaticItem( aStaticItem );
|
|
340 |
}
|
|
341 |
}
|
|
342 |
|
|
343 |
// -----------------------------------------------------------------------------
|
|
344 |
// Add static item to the front of the list
|
|
345 |
// inline private member function only in cpp file, so will be inlined in arm
|
|
346 |
// (ok as long as called only once)
|
|
347 |
// -----------------------------------------------------------------------------
|
|
348 |
//
|
|
349 |
inline void CGlxStaticItemList::AddFrontStaticItem( CGlxMedia& aStaticItem )
|
|
350 |
{
|
|
351 |
TRACER( "CGlxStaticItemList::AddFrontStaticItem");
|
|
352 |
|
|
353 |
// Add to the beginning of front static item array
|
|
354 |
iFrontStaticItems.Insert( TGlxMedia( aStaticItem ), 0 );
|
|
355 |
// ignore return value, since assumes reservation was made to the array
|
|
356 |
// prior to calling this function, i.e. cannot fail
|
|
357 |
|
|
358 |
// if static items are currently enabled, add item to the main item list
|
|
359 |
if ( iStaticItemsEnabled )
|
|
360 |
{
|
|
361 |
iCountCurrentFrontStatic++;
|
|
362 |
|
|
363 |
// notify of item being added
|
|
364 |
iObserver.HandleItemsAdded( 0, 1 );
|
|
365 |
}
|
|
366 |
}
|
|
367 |
|
|
368 |
// -----------------------------------------------------------------------------
|
|
369 |
// Add static item to the front of the end of the list
|
|
370 |
// inline private member function only in cpp file, so will be inlined in arm
|
|
371 |
// (ok as long as called only once)
|
|
372 |
// -----------------------------------------------------------------------------
|
|
373 |
//
|
|
374 |
inline void CGlxStaticItemList::AddRearStaticItem( CGlxMedia& aStaticItem )
|
|
375 |
{
|
|
376 |
TRACER( "CGlxStaticItemList::AddRearStaticItem");
|
|
377 |
|
|
378 |
// Add to the end of rear static item array
|
|
379 |
iRearStaticItems.Append( TGlxMedia( aStaticItem ) );
|
|
380 |
// ignore return value, since assumes reservation was made to the array
|
|
381 |
// prior to calling this function, i.e. cannot fail
|
|
382 |
|
|
383 |
// if static items are currently enabled, add item to the main item list
|
|
384 |
if ( iStaticItemsEnabled )
|
|
385 |
{
|
|
386 |
iCountCurrentRearStatic++;
|
|
387 |
|
|
388 |
// notify of item being added
|
|
389 |
TInt addIndex = CountAll() - 1;
|
|
390 |
iObserver.HandleItemsAdded( addIndex, 1 );
|
|
391 |
}
|
|
392 |
}
|
|
393 |
|
|
394 |
// -----------------------------------------------------------------------------
|
|
395 |
// Make static item ready to be added to the list
|
|
396 |
// inline private member function only in cpp file, so will be inlined in arm
|
|
397 |
// (ok as long as called only once)
|
|
398 |
// -----------------------------------------------------------------------------
|
|
399 |
//
|
|
400 |
inline void CGlxStaticItemList::SetupStaticItemL( CGlxMedia& aStaticItem )
|
|
401 |
{
|
|
402 |
TRACER( "CGlxStaticItemList::SetupStaticItemL");
|
|
403 |
|
|
404 |
// add static attribute, so that can later check if this item is static
|
|
405 |
aStaticItem.SetTObjectValueL<TBool>( KGlxMediaStaticItem, ETrue );
|
|
406 |
|
|
407 |
// set media category attribute to "command", unless already defined by client
|
|
408 |
if( !aStaticItem.IsSupported( KMPXMediaGeneralCategory ) )
|
|
409 |
{
|
|
410 |
aStaticItem.SetTObjectValueL( KMPXMediaGeneralCategory, EMPXCommand );
|
|
411 |
}
|
|
412 |
}
|
|
413 |
|
|
414 |
// -----------------------------------------------------------------------------
|
|
415 |
// return ETrue if static items are enabled
|
|
416 |
// -----------------------------------------------------------------------------
|
|
417 |
//
|
|
418 |
TBool CGlxStaticItemList::IsStaticItemsEnabled() const
|
|
419 |
{
|
|
420 |
TRACER( "CGlxStaticItemList::IsStaticItemsEnabled");
|
|
421 |
|
|
422 |
return iStaticItemsEnabled;
|
|
423 |
}
|
|
424 |
|
|
425 |
// -----------------------------------------------------------------------------
|
|
426 |
// Enable/disable static items
|
|
427 |
// -----------------------------------------------------------------------------
|
|
428 |
//
|
|
429 |
void CGlxStaticItemList::SetStaticItemsEnabled( TBool aEnabled )
|
|
430 |
{
|
|
431 |
TRACER( "CGlxStaticItemList::SetStaticItemsEnabled");
|
|
432 |
GLX_LOG_INFO1( "CGlxStaticItemList::SetStaticItemsEnabled: %b", aEnabled );
|
|
433 |
__TEST_INVARIANT;
|
|
434 |
|
|
435 |
iStaticItemsEnabled = aEnabled;
|
|
436 |
if ( aEnabled )
|
|
437 |
{
|
|
438 |
EnableFrontStaticItems();
|
|
439 |
EnableRearStaticItems();
|
|
440 |
}
|
|
441 |
else
|
|
442 |
{
|
|
443 |
DisableFrontStaticItems();
|
|
444 |
DisableRearStaticItems();
|
|
445 |
}
|
|
446 |
|
|
447 |
__TEST_INVARIANT;
|
|
448 |
}
|
|
449 |
|
|
450 |
// -----------------------------------------------------------------------------
|
|
451 |
// Enable front static items
|
|
452 |
// inline private member function only in cpp file, so will be inlined in arm
|
|
453 |
// (ok as long as called only once)
|
|
454 |
// -----------------------------------------------------------------------------
|
|
455 |
//
|
|
456 |
inline void CGlxStaticItemList::EnableFrontStaticItems()
|
|
457 |
{
|
|
458 |
TRACER( "CGlxStaticItemList::EnableFrontStaticItems");
|
|
459 |
|
|
460 |
// Notify only if current static item count is zero and there is more than
|
|
461 |
// one fron static item
|
|
462 |
if ( iCountCurrentFrontStatic < iFrontStaticItems.Count() )
|
|
463 |
{
|
|
464 |
// Add front items and notify observer
|
|
465 |
iCountCurrentFrontStatic = iFrontStaticItems.Count();
|
|
466 |
iObserver.HandleItemsAdded( 0, iCountCurrentFrontStatic );
|
|
467 |
}
|
|
468 |
}
|
|
469 |
|
|
470 |
// -----------------------------------------------------------------------------
|
|
471 |
// Enable rear static items
|
|
472 |
// inline private member function only in cpp file, so will be inlined in arm
|
|
473 |
// (ok as long as called only once)
|
|
474 |
// -----------------------------------------------------------------------------
|
|
475 |
//
|
|
476 |
inline void CGlxStaticItemList::EnableRearStaticItems()
|
|
477 |
{
|
|
478 |
TRACER( "CGlxStaticItemList::EnableRearStaticItems");
|
|
479 |
|
|
480 |
// Notify only if current static item count is zero and there is more than
|
|
481 |
// one fron static item
|
|
482 |
if ( iCountCurrentRearStatic < iRearStaticItems.Count() )
|
|
483 |
{
|
|
484 |
// Add rear items and notify observer
|
|
485 |
iCountCurrentRearStatic = iRearStaticItems.Count();
|
|
486 |
iObserver.HandleItemsAdded( FirstPostStaticIndex(),
|
|
487 |
iCountCurrentRearStatic );
|
|
488 |
}
|
|
489 |
}
|
|
490 |
|
|
491 |
// -----------------------------------------------------------------------------
|
|
492 |
// Disable static items from the front
|
|
493 |
// inline private member function only in cpp file, so will be inlined in arm
|
|
494 |
// (ok as long as called only once)
|
|
495 |
// -----------------------------------------------------------------------------
|
|
496 |
//
|
|
497 |
inline void CGlxStaticItemList::DisableFrontStaticItems()
|
|
498 |
{
|
|
499 |
TRACER( "CGlxStaticItemList::DisableFrontStaticItems");
|
|
500 |
|
|
501 |
// Remove static items from front
|
|
502 |
if ( iCountCurrentFrontStatic > 0 )
|
|
503 |
{
|
|
504 |
TInt removedCount = iCountCurrentFrontStatic;
|
|
505 |
iCountCurrentFrontStatic = 0;
|
|
506 |
|
|
507 |
// Notify observer
|
|
508 |
iObserver.HandleItemsRemoved( 0, removedCount );
|
|
509 |
}
|
|
510 |
}
|
|
511 |
|
|
512 |
// -----------------------------------------------------------------------------
|
|
513 |
// Enable static items from the front
|
|
514 |
// inline private member function only in cpp file, so will be inlined in arm
|
|
515 |
// (ok as long as called only once)
|
|
516 |
// -----------------------------------------------------------------------------
|
|
517 |
//
|
|
518 |
inline void CGlxStaticItemList::DisableRearStaticItems()
|
|
519 |
{
|
|
520 |
TRACER( "CGlxStaticItemList::DisableRearStaticItems");
|
|
521 |
|
|
522 |
// Remove static items from rear
|
|
523 |
if ( iCountCurrentRearStatic > 0 )
|
|
524 |
{
|
|
525 |
TInt removedCount = iCountCurrentRearStatic;
|
|
526 |
iCountCurrentRearStatic = 0;
|
|
527 |
|
|
528 |
// Notify observer
|
|
529 |
iObserver.HandleItemsRemoved( FirstPostStaticIndex(), removedCount );
|
|
530 |
}
|
|
531 |
}
|
|
532 |
|
|
533 |
// -----------------------------------------------------------------------------
|
|
534 |
// Return count
|
|
535 |
// -----------------------------------------------------------------------------
|
|
536 |
//
|
|
537 |
TInt CGlxStaticItemList::Count( NGlxListDefs::TCountType aType ) const
|
|
538 |
{
|
|
539 |
TRACER( "CGlxStaticItemList::Count");
|
|
540 |
|
|
541 |
switch ( aType )
|
|
542 |
{
|
|
543 |
case ECountAllStatic:
|
|
544 |
return CountStatic();
|
|
545 |
|
|
546 |
case ECountPreStatic:
|
|
547 |
return iCountCurrentFrontStatic;
|
|
548 |
|
|
549 |
case ECountPostStatic:
|
|
550 |
return iCountCurrentRearStatic;
|
|
551 |
|
|
552 |
case ECountNonStatic:
|
|
553 |
return CountNonStatic();
|
|
554 |
|
|
555 |
default:
|
|
556 |
GLX_LOG_WARNING( "Unsupported count type" );
|
|
557 |
// Fall through, and return all count as default
|
|
558 |
case ECountAll:
|
|
559 |
return CountAll();
|
|
560 |
}
|
|
561 |
}
|
|
562 |
|
|
563 |
// -----------------------------------------------------------------------------
|
|
564 |
// Return count of all items
|
|
565 |
// inline private member function only in cpp file, so will be inlined in arm
|
|
566 |
// -----------------------------------------------------------------------------
|
|
567 |
//
|
|
568 |
inline TInt CGlxStaticItemList::CountStatic() const
|
|
569 |
{
|
|
570 |
TRACER( "CGlxStaticItemList::CountStatic");
|
|
571 |
|
|
572 |
return iCountCurrentFrontStatic + iCountCurrentRearStatic;
|
|
573 |
}
|
|
574 |
|
|
575 |
// -----------------------------------------------------------------------------
|
|
576 |
// Return count of non-static items
|
|
577 |
// inline private member function only in cpp file, so will be inlined in arm
|
|
578 |
// -----------------------------------------------------------------------------
|
|
579 |
//
|
|
580 |
inline TInt CGlxStaticItemList::CountNonStatic() const
|
|
581 |
{
|
|
582 |
TRACER( "CGlxStaticItemList::CountNonStatic");
|
|
583 |
|
|
584 |
return iItemList->Count();
|
|
585 |
}
|
|
586 |
|
|
587 |
// -----------------------------------------------------------------------------
|
|
588 |
// Return count of all items
|
|
589 |
// inline private member function only in cpp file, so will be inlined in arm
|
|
590 |
// -----------------------------------------------------------------------------
|
|
591 |
//
|
|
592 |
inline TInt CGlxStaticItemList::CountAll() const
|
|
593 |
{
|
|
594 |
TRACER( "CGlxStaticItemList::CountAll");
|
|
595 |
|
|
596 |
return iCountCurrentFrontStatic + iItemList->Count() + iCountCurrentRearStatic;
|
|
597 |
}
|
|
598 |
|
|
599 |
// -----------------------------------------------------------------------------
|
|
600 |
// Index of the first post static item
|
|
601 |
// -----------------------------------------------------------------------------
|
|
602 |
//
|
|
603 |
TInt CGlxStaticItemList::FirstPostStaticIndex() const
|
|
604 |
{
|
|
605 |
TRACER( "CGlxStaticItemList::FirstPostStaticIndex");
|
|
606 |
|
|
607 |
return iCountCurrentFrontStatic + iItemList->Count();
|
|
608 |
}
|
|
609 |
|
|
610 |
// -----------------------------------------------------------------------------
|
|
611 |
// Return item by index
|
|
612 |
// -----------------------------------------------------------------------------
|
|
613 |
//
|
|
614 |
TGlxMedia& CGlxStaticItemList::Item( TInt aIndex )
|
|
615 |
{
|
|
616 |
TRACER( "CGlxStaticItemList::Item");
|
|
617 |
|
|
618 |
// test if a front static index
|
|
619 |
if ( aIndex < iCountCurrentFrontStatic )
|
|
620 |
{
|
|
621 |
return iFrontStaticItems[ aIndex ];
|
|
622 |
}
|
|
623 |
|
|
624 |
// test if normal index
|
|
625 |
if ( aIndex < iCountCurrentFrontStatic + CountNonStatic() )
|
|
626 |
{
|
|
627 |
return iItemList->Item( aIndex - iCountCurrentFrontStatic );
|
|
628 |
}
|
|
629 |
|
|
630 |
// must be a rear static index
|
|
631 |
return iRearStaticItems[ aIndex - iCountCurrentFrontStatic - CountNonStatic() ];
|
|
632 |
}
|
|
633 |
|
|
634 |
// -----------------------------------------------------------------------------
|
|
635 |
// Return index by id
|
|
636 |
// -----------------------------------------------------------------------------
|
|
637 |
//
|
|
638 |
TInt CGlxStaticItemList::Index( const TGlxIdSpaceId& aIdSpaceId,
|
|
639 |
const TGlxMediaId& aId ) const
|
|
640 |
{
|
|
641 |
TRACER( "CGlxStaticItemList::Index");
|
|
642 |
|
|
643 |
if ( KGlxStaticItemIdSpaceId == aIdSpaceId.Value() )
|
|
644 |
{
|
|
645 |
// try to find from front static items; may return KErrNotFound
|
|
646 |
TInt index = Index( aId, iFrontStaticItems );
|
|
647 |
if ( KErrNotFound != index )
|
|
648 |
{
|
|
649 |
return index;
|
|
650 |
}
|
|
651 |
|
|
652 |
// Try rear static items
|
|
653 |
index = Index( aId, iRearStaticItems );
|
|
654 |
if ( KErrNotFound != index )
|
|
655 |
{
|
|
656 |
return index + FirstPostStaticIndex();
|
|
657 |
}
|
|
658 |
}
|
|
659 |
else
|
|
660 |
{
|
|
661 |
// Look at the main list first (most likely case)
|
|
662 |
TInt index = iItemList->Index( aIdSpaceId, aId );
|
|
663 |
if ( KErrNotFound != index )
|
|
664 |
{
|
|
665 |
return index + iCountCurrentFrontStatic;
|
|
666 |
}
|
|
667 |
}
|
|
668 |
|
|
669 |
// No such id
|
|
670 |
return KErrNotFound;
|
|
671 |
}
|
|
672 |
|
|
673 |
// -----------------------------------------------------------------------------
|
|
674 |
// Return index by id
|
|
675 |
// -----------------------------------------------------------------------------
|
|
676 |
//
|
|
677 |
TInt CGlxStaticItemList::Index( const TGlxMediaId& aId,
|
|
678 |
const RStaticMediaArray& aStaticItems ) const
|
|
679 |
{
|
|
680 |
TRACER( "CGlxStaticItemList::Index");
|
|
681 |
|
|
682 |
// set up comparison functor
|
|
683 |
TIdentityRelation< TGlxMedia > match ( &TGlxMedia::MatchById );
|
|
684 |
// create dummy object to compare against
|
|
685 |
// Create to stack directly, CMedia constructor NULLs all member variables
|
|
686 |
TGlxMedia mediaToCompare( aId );
|
|
687 |
|
|
688 |
return aStaticItems.Find( mediaToCompare, match );
|
|
689 |
}
|
|
690 |
|
|
691 |
// -----------------------------------------------------------------------------
|
|
692 |
// Handle items being added
|
|
693 |
// -----------------------------------------------------------------------------
|
|
694 |
//
|
|
695 |
void CGlxStaticItemList::HandleItemsAdded( TInt aFirstInsertedIndex,
|
|
696 |
TInt aCount )
|
|
697 |
{
|
|
698 |
TRACER( "CGlxStaticItemList::HandleItemsAdded");
|
|
699 |
|
|
700 |
// there may be static items at the front of the list, so adjust and forward
|
|
701 |
// to observer
|
|
702 |
iObserver.HandleItemsAdded( aFirstInsertedIndex + iCountCurrentFrontStatic,
|
|
703 |
aCount );
|
|
704 |
}
|
|
705 |
|
|
706 |
// -----------------------------------------------------------------------------
|
|
707 |
// Handle items being removed
|
|
708 |
// -----------------------------------------------------------------------------
|
|
709 |
//
|
|
710 |
void CGlxStaticItemList::HandleItemsRemoved( TInt aRemovedFromIndex, TInt aCount )
|
|
711 |
{
|
|
712 |
TRACER( "CGlxStaticItemList::HandleItemsRemoved");
|
|
713 |
|
|
714 |
// there may be static items at the front of the list, so adjust and forward
|
|
715 |
// to observer
|
|
716 |
iObserver.HandleItemsRemoved( aRemovedFromIndex + iCountCurrentFrontStatic,
|
|
717 |
aCount );
|
|
718 |
}
|
|
719 |
|
|
720 |
// ---------------------------------------------------------------------------
|
|
721 |
// Test invariant
|
|
722 |
// ---------------------------------------------------------------------------
|
|
723 |
EXPORT_C void CGlxStaticItemList::__DbgTestInvariant() const
|
|
724 |
{
|
|
725 |
TRACER( "CGlxStaticItemList::__DbgTestInvariant");
|
|
726 |
|
|
727 |
#ifdef _DEBUG
|
|
728 |
|
|
729 |
__ASSERT_DEBUG( &iObserver, Panic( EGlxPanicIllegalState ) ); // Null observer
|
|
730 |
__ASSERT_DEBUG( iItemList, Panic( EGlxPanicIllegalState ) ); // No list
|
|
731 |
|
|
732 |
// Make sure static item counts are zero when static items are disabled
|
|
733 |
__ASSERT_DEBUG( ( iCountCurrentFrontStatic == 0 && iCountCurrentRearStatic == 0 )
|
|
734 |
|| iStaticItemsEnabled, Panic( EGlxPanicIllegalState ) ); // No list
|
|
735 |
|
|
736 |
// Make sure static item counts are match array counts when static items are enabled
|
|
737 |
__ASSERT_DEBUG( ( iCountCurrentFrontStatic == iFrontStaticItems.Count()
|
|
738 |
&& iCountCurrentRearStatic == iRearStaticItems.Count() )
|
|
739 |
|| !iStaticItemsEnabled, Panic( EGlxPanicIllegalState ) ); // No list
|
|
740 |
|
|
741 |
#endif // _DEBUG
|
|
742 |
}
|