|
1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
|
2 // All rights reserved. |
|
3 // This component and the accompanying materials are made available |
|
4 // under the terms of "Eclipse Public License v1.0" |
|
5 // which accompanies this distribution, and is available |
|
6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
7 // |
|
8 // Initial Contributors: |
|
9 // Nokia Corporation - initial contribution. |
|
10 // |
|
11 // Contributors: |
|
12 // |
|
13 // Description: |
|
14 // |
|
15 |
|
16 |
|
17 |
|
18 // INCLUDE FILES |
|
19 #include "epos_defaultproxycommon.h" |
|
20 #include "epos_cposexternalgpsmonitor.h" |
|
21 #include "epos_cpospsylisthandler.h" |
|
22 #include "epos_cpospsyfixstatemanager.h" |
|
23 #include "epos_cpossingletonmanager.h" |
|
24 #include "epos_cposrequestor.h" |
|
25 #include "epos_cposconstmanager.h" |
|
26 #include "epos_defaultproxycommon.h" |
|
27 |
|
28 #include <lbs/epos_cpositioner.h> |
|
29 |
|
30 |
|
31 |
|
32 // ================= MEMBER FUNCTIONS ======================= |
|
33 |
|
34 // C++ default constructor can NOT contain any code, that |
|
35 // might leave. |
|
36 // |
|
37 CPosExternalGpsMonitor::CPosExternalGpsMonitor( |
|
38 MPosModuleStatusManager& aModuleStatusManager ) |
|
39 : iModuleStatusManager( aModuleStatusManager ) |
|
40 { |
|
41 } |
|
42 |
|
43 // EPOC default constructor can leave. |
|
44 void CPosExternalGpsMonitor::ConstructL() |
|
45 { |
|
46 TRACESTRING( "CPosExternalGpsMonitor::ConstructL start... " ) |
|
47 |
|
48 iPsyListHandler = CPosPsyListHandler::GetInstanceL(); |
|
49 iPsyListHandler->AddListenerL( this ); |
|
50 |
|
51 iFixStateManager = CPosPsyFixStateManager::GetInstanceL(); |
|
52 iConstManager = CPosConstManager::GetInstanceL(); |
|
53 |
|
54 iTimer = CPeriodic::NewL( CActive::EPriorityStandard ); |
|
55 |
|
56 TRACESTRING( "CPosExternalGpsMonitor::ConstructL end" ) |
|
57 } |
|
58 |
|
59 // --------------------------------------------------------- |
|
60 // CPosExternalGpsMonitor::GetInstanceL |
|
61 // --------------------------------------------------------- |
|
62 // |
|
63 CPosExternalGpsMonitor* CPosExternalGpsMonitor::GetInstanceL( |
|
64 CPositioner& aDefaultPositioner, |
|
65 MPosModuleStatusManager& aModuleStatusManager ) |
|
66 { |
|
67 CPosExternalGpsMonitor* self = reinterpret_cast < CPosExternalGpsMonitor* > |
|
68 ( CPosSingletonManager::GetObject( |
|
69 EPosSigletonObjectExtGpsMonitorId ) ); |
|
70 |
|
71 if ( !self ) |
|
72 { |
|
73 //Construct a new object and store it to CPosSingletonManager |
|
74 self = new ( ELeave ) CPosExternalGpsMonitor( |
|
75 aModuleStatusManager ); |
|
76 CleanupStack::PushL(self); |
|
77 self->ConstructL(); |
|
78 CPosSingletonManager::SetObjectL( |
|
79 self, |
|
80 EPosSigletonObjectExtGpsMonitorId ); |
|
81 self->iDefaultPositionerArray.AppendL( &aDefaultPositioner ); |
|
82 self->ConstructExtGpsPsyArrayL(); |
|
83 CleanupStack::Pop(self); |
|
84 } |
|
85 else |
|
86 { |
|
87 self->iDefaultPositionerArray.AppendL( &aDefaultPositioner ); |
|
88 } |
|
89 |
|
90 self->iRefCount++; |
|
91 |
|
92 return self; |
|
93 } |
|
94 |
|
95 // Destructor |
|
96 CPosExternalGpsMonitor::~CPosExternalGpsMonitor() |
|
97 { |
|
98 TRACESTRING( "CPosExternalGpsMonitor::destructor start" ) |
|
99 |
|
100 if ( iPsyListHandler ) |
|
101 { |
|
102 iPsyListHandler->RemoveListener( this ); |
|
103 iPsyListHandler->ReleaseInstance(); |
|
104 } |
|
105 |
|
106 if ( iFixStateManager ) |
|
107 { |
|
108 iFixStateManager->ReleaseInstance(); |
|
109 } |
|
110 |
|
111 if ( iConstManager ) |
|
112 { |
|
113 iConstManager->ReleaseInstance(); |
|
114 } |
|
115 |
|
116 iExtGpsPsyArray.ResetAndDestroy(); |
|
117 iExtGpsPsyArray.Close(); |
|
118 iExtGpsPsyUsedArray.Close(); |
|
119 iDefaultPositionerArray.Close(); |
|
120 delete iTimer; |
|
121 TRACESTRING( "CPosExternalGpsMonitor::destructor end" ) |
|
122 } |
|
123 |
|
124 // --------------------------------------------------------- |
|
125 // CPosExternalGpsMonitor::ReleaseInstance |
|
126 // --------------------------------------------------------- |
|
127 // |
|
128 void CPosExternalGpsMonitor::ReleaseInstance( |
|
129 CPositioner& aDefaultPositioner ) |
|
130 { |
|
131 TInt index = iDefaultPositionerArray.Find( &aDefaultPositioner ); |
|
132 if ( index != KErrNotFound ) |
|
133 { |
|
134 iDefaultPositionerArray.Remove( index ); |
|
135 } |
|
136 |
|
137 iRefCount--; |
|
138 if ( iRefCount == 0 ) |
|
139 { |
|
140 //We shall delete the instance |
|
141 CPosSingletonManager::ReleaseObject( |
|
142 EPosSigletonObjectExtGpsMonitorId ); |
|
143 } |
|
144 else |
|
145 { |
|
146 // Delete & reconstruct iExtGpsPsyArray |
|
147 iExtGpsPsyArray.ResetAndDestroy(); |
|
148 iExtGpsPsyArray.Close(); |
|
149 |
|
150 TInt ignore = KErrNone; |
|
151 TRAP( ignore, ConstructExtGpsPsyArrayL() ); //error ignored |
|
152 } |
|
153 } |
|
154 |
|
155 // --------------------------------------------------------- |
|
156 // CPosExternalGpsMonitor::PsyUsed |
|
157 // --------------------------------------------------------- |
|
158 // |
|
159 void CPosExternalGpsMonitor::PsyUsed( TPositionModuleId aPsyId ) |
|
160 { |
|
161 TRACESTRING( "CPosExternalGpsMonitor::PsyUsed" ) |
|
162 TRACESTRING2( "PSY: %x", aPsyId ); |
|
163 |
|
164 TInt index = GetIndexInPsyArray( aPsyId ); |
|
165 //iExtGpsPsyArray and iExtGpsPsyUsedArray are saved in the same |
|
166 //order. |
|
167 if ( index != KErrNotFound ) |
|
168 { |
|
169 iExtGpsPsyUsedArray[index]++; |
|
170 } |
|
171 |
|
172 //Location request received |
|
173 iIsLoacationRequestMade = ETrue; |
|
174 |
|
175 //Update state of Ext GPS PSY used |
|
176 iIsExtGpsPsyUsed = IsExtGpsPsyInUse(); |
|
177 |
|
178 //Check if we should start timer |
|
179 if ( iExtGpsPsyArray.Count() > 0 && |
|
180 !iPsyListHandler->IsFirstGpsPsyExternal() && |
|
181 !IsExtGpsPsyInUse() ) |
|
182 { |
|
183 //We start timer if there are GPS PSY availabe, but |
|
184 //the first GPS PSY in the list is not located on external |
|
185 //device. |
|
186 //If a external GPS PSY is already used, then we don't |
|
187 //start the timer |
|
188 |
|
189 //Start timer if it's not started yet |
|
190 StartTimer(); |
|
191 } |
|
192 } |
|
193 |
|
194 // --------------------------------------------------------- |
|
195 // CPosExternalGpsMonitor::PsyNotUsed |
|
196 // --------------------------------------------------------- |
|
197 // |
|
198 void CPosExternalGpsMonitor::PsyNotUsed( TPositionModuleId aPsyId ) |
|
199 { |
|
200 TRACESTRING( "CPosExternalGpsMonitor::PsyNotUsed" ) |
|
201 TRACESTRING2( "PSY: %x", aPsyId ); |
|
202 |
|
203 TInt index = GetIndexInPsyArray( aPsyId ); |
|
204 //iExtGpsPsyArray and iExtGpsPsyUsedArray are saved in the same |
|
205 //order. |
|
206 if ( index != KErrNotFound ) |
|
207 { |
|
208 if ( iExtGpsPsyUsedArray[index] > 0 ) |
|
209 { |
|
210 iExtGpsPsyUsedArray[index]--; |
|
211 } |
|
212 } |
|
213 } |
|
214 |
|
215 // --------------------------------------------------------- |
|
216 // CPosExternalGpsMonitor::ConstructExtGpsPsyArrayL |
|
217 // --------------------------------------------------------- |
|
218 // |
|
219 void CPosExternalGpsMonitor::ConstructExtGpsPsyArrayL() |
|
220 { |
|
221 TRACESTRING( "CPosExternalGpsMonitor::ConstructExtGpsPsyArrayL" ) |
|
222 |
|
223 RArray< TPositionModuleId > extGpsPsyIdArray; |
|
224 CleanupClosePushL( extGpsPsyIdArray ); |
|
225 iPsyListHandler->GetExtGpsPsyListL( extGpsPsyIdArray ); |
|
226 |
|
227 TInt i; |
|
228 |
|
229 //Remove those modules that are not in the settings |
|
230 TInt positionerCount = iExtGpsPsyArray.Count(); |
|
231 |
|
232 //Reserve enough space for iExtGpsPsyUsedArray first |
|
233 iExtGpsPsyUsedArray.ReserveL( positionerCount ); |
|
234 |
|
235 for ( i = positionerCount-1; i >= 0 ; i-- ) |
|
236 { |
|
237 TInt index = extGpsPsyIdArray.Find( |
|
238 iExtGpsPsyArray[i]->ModuleId() ); |
|
239 if ( index == KErrNotFound ) |
|
240 { |
|
241 delete iExtGpsPsyArray[i]; |
|
242 iExtGpsPsyArray.Remove( i ); |
|
243 iExtGpsPsyUsedArray.Remove( i ); |
|
244 } |
|
245 else |
|
246 { |
|
247 extGpsPsyIdArray.Remove( index ); |
|
248 } |
|
249 } |
|
250 |
|
251 //Add those PSYs that are not in the PSY array |
|
252 TInt count = extGpsPsyIdArray.Count(); |
|
253 |
|
254 if ( iDefaultPositionerArray.Count() > 0 ) |
|
255 { |
|
256 for ( i = 0; i < count; i++ ) |
|
257 { |
|
258 //Add this module to the list |
|
259 CPosRequestor* requestor = CPosRequestor::NewL( |
|
260 *iDefaultPositionerArray[0], |
|
261 extGpsPsyIdArray[i], |
|
262 *this, |
|
263 *iFixStateManager, |
|
264 iModuleStatusManager ); |
|
265 CleanupStack::PushL( requestor ); |
|
266 |
|
267 //Notify fix state manager that a PSY is loaded |
|
268 iFixStateManager->PsyLoadedL( |
|
269 extGpsPsyIdArray[i] ); |
|
270 |
|
271 //Add this requestor in the array |
|
272 User::LeaveIfError( iExtGpsPsyArray.Append( requestor ) ); |
|
273 |
|
274 //This function won't fail, since we have enough space already |
|
275 iExtGpsPsyUsedArray.Append( 0 ); |
|
276 |
|
277 CleanupStack::Pop( requestor ); |
|
278 } |
|
279 } |
|
280 CleanupStack::PopAndDestroy( &extGpsPsyIdArray ); |
|
281 } |
|
282 |
|
283 // --------------------------------------------------------- |
|
284 // CPosExternalGpsMonitor::LocationRequestCompleted |
|
285 // --------------------------------------------------------- |
|
286 // |
|
287 void CPosExternalGpsMonitor::LocationRequestCompleted( |
|
288 TPositionModuleId aModuleId, |
|
289 TInt aErr, |
|
290 const TPositionInfoBase& /*aPosInfo*/, |
|
291 TBool /*aIsPosInfoUpToDate*/ ) |
|
292 { |
|
293 TRACESTRING( "CPosExternalGpsMonitor::LocationRequestCompleted" ) |
|
294 TRACESTRING2( "PSY: %x", aModuleId ) |
|
295 |
|
296 iFixStateManager->SetExtGpsPsyFixState( |
|
297 aModuleId, |
|
298 aErr ); |
|
299 } |
|
300 |
|
301 // --------------------------------------------------------- |
|
302 // CPosExternalGpsMonitor::ExtPsyCheckingTimeoutCallback |
|
303 // --------------------------------------------------------- |
|
304 // |
|
305 TInt CPosExternalGpsMonitor::ExtPsyCheckingTimeoutCallback( TAny* aAny ) |
|
306 { |
|
307 TRACESTRING( "CPosExternalGpsMonitor::ExtPsyCheckingTimeoutCallback" ) |
|
308 |
|
309 reinterpret_cast < CPosExternalGpsMonitor* > ( aAny ) -> |
|
310 ExtPsyCheckingTimeout(); |
|
311 return KErrNone; |
|
312 } |
|
313 |
|
314 // --------------------------------------------------------- |
|
315 // CPosExternalGpsMonitor::ExtPsyCheckingTimeout |
|
316 // --------------------------------------------------------- |
|
317 // |
|
318 void CPosExternalGpsMonitor::ExtPsyCheckingTimeout() |
|
319 { |
|
320 if ( !iIsLoacationRequestMade ) |
|
321 { |
|
322 //Stop timer and cancel all location requests |
|
323 iTimer->Cancel(); |
|
324 CancelAllLocationRequests(); |
|
325 } |
|
326 else |
|
327 { |
|
328 //If there is location request during this period, but |
|
329 //external GPS has not been tried, then we make location |
|
330 //request to external GPS PSYs. |
|
331 if ( !iIsExtGpsPsyUsed ) |
|
332 { |
|
333 MakeLocationRequests(); |
|
334 } |
|
335 else |
|
336 { |
|
337 //If external GPS PSY has been used during this period, |
|
338 //We don't need to make location request. All outgoing |
|
339 //location request will be canceled. |
|
340 CancelAllLocationRequests(); |
|
341 } |
|
342 } |
|
343 iIsLoacationRequestMade = EFalse; |
|
344 } |
|
345 |
|
346 // --------------------------------------------------------- |
|
347 // CPosExternalGpsMonitor::PsyListChanged |
|
348 // --------------------------------------------------------- |
|
349 // |
|
350 void CPosExternalGpsMonitor::PsyListChanged( |
|
351 const TPosPsyListChangeEvent& aEvent ) |
|
352 { |
|
353 TRACESTRING( "CPosExternalGpsMonitor::PsyListChanged" ) |
|
354 |
|
355 if ( aEvent.iType == EPosPsyListChangeEventPriorityChanged ) |
|
356 { |
|
357 //do nothing |
|
358 return; |
|
359 } |
|
360 |
|
361 if ( aEvent.iType == EPosPsyListChangeEventPsyDeleted ) |
|
362 { |
|
363 CancelLocationRequest( aEvent.iPsyId ); |
|
364 } |
|
365 |
|
366 //Reconstruct Ext GPS PSY array |
|
367 TInt ignore = KErrNone; |
|
368 TRAP( ignore, ConstructExtGpsPsyArrayL() ); //error ignored |
|
369 } |
|
370 |
|
371 // --------------------------------------------------------- |
|
372 // CPosExternalGpsMonitor::MakeLocationRequests |
|
373 // --------------------------------------------------------- |
|
374 // |
|
375 void CPosExternalGpsMonitor::MakeLocationRequests() |
|
376 { |
|
377 TRACESTRING( "CPosExternalGpsMonitor::MakeLocationRequests" ) |
|
378 |
|
379 TInt count = iExtGpsPsyArray.Count(); |
|
380 for ( TInt i = 0; i < count; i++ ) |
|
381 { |
|
382 //If location request is not started |
|
383 if ( !iExtGpsPsyArray[i]->IsActive() ) |
|
384 { |
|
385 TInt ignore = KErrNone; |
|
386 TRAP( ignore, |
|
387 iExtGpsPsyArray[i]->MakeLocationRequestL(iPosInfo) ); |
|
388 TRACESTRING2( "PSY: %x", iExtGpsPsyArray[i]->ModuleId() ) |
|
389 } |
|
390 } |
|
391 } |
|
392 |
|
393 // --------------------------------------------------------- |
|
394 // CPosExternalGpsMonitor::CancelAllLocationRequests |
|
395 // --------------------------------------------------------- |
|
396 // |
|
397 void CPosExternalGpsMonitor::CancelAllLocationRequests() |
|
398 { |
|
399 TInt count = iExtGpsPsyArray.Count(); |
|
400 for ( TInt i = 0; i < count; i++ ) |
|
401 { |
|
402 iExtGpsPsyArray[i]->Cancel(); |
|
403 } |
|
404 } |
|
405 |
|
406 // --------------------------------------------------------- |
|
407 // CPosExternalGpsMonitor::CancelLocationRequest |
|
408 // --------------------------------------------------------- |
|
409 // |
|
410 void CPosExternalGpsMonitor::CancelLocationRequest( TPositionModuleId aPsyId ) |
|
411 { |
|
412 TInt count = iExtGpsPsyArray.Count(); |
|
413 for ( TInt i = 0; i < count; i++ ) |
|
414 { |
|
415 if ( iExtGpsPsyArray[i]->ModuleId() == aPsyId ) |
|
416 { |
|
417 iExtGpsPsyArray[i]->Cancel(); |
|
418 } |
|
419 } |
|
420 } |
|
421 |
|
422 // --------------------------------------------------------- |
|
423 // CPosExternalGpsMonitor::GetIndexInPsyArray |
|
424 // --------------------------------------------------------- |
|
425 // |
|
426 TInt CPosExternalGpsMonitor::GetIndexInPsyArray( TPositionModuleId aModuleId ) const |
|
427 { |
|
428 TInt count = iExtGpsPsyArray.Count(); |
|
429 for ( TInt i = 0; i < count; i++ ) |
|
430 { |
|
431 if ( iExtGpsPsyArray[i]->ModuleId() == aModuleId ) |
|
432 { |
|
433 return i; |
|
434 } |
|
435 } |
|
436 return KErrNotFound; |
|
437 } |
|
438 |
|
439 // --------------------------------------------------------- |
|
440 // CPosExternalGpsMonitor::StartTimer |
|
441 // --------------------------------------------------------- |
|
442 // |
|
443 void CPosExternalGpsMonitor::StartTimer() |
|
444 { |
|
445 if ( !iTimer->IsActive() ) |
|
446 { |
|
447 iTimer->Start( |
|
448 iConstManager->GetExternalGpsCheckingTimeoutValue().Int64(), |
|
449 iConstManager->GetExternalGpsCheckingTimeoutValue().Int64(), |
|
450 TCallBack( ExtPsyCheckingTimeoutCallback, this ) ); |
|
451 |
|
452 iIsLoacationRequestMade = EFalse; |
|
453 iIsExtGpsPsyUsed = IsExtGpsPsyInUse(); |
|
454 } |
|
455 } |
|
456 |
|
457 // --------------------------------------------------------- |
|
458 // CPosExternalGpsMonitor::IsExtGpsPsyInUse |
|
459 // --------------------------------------------------------- |
|
460 // |
|
461 TBool CPosExternalGpsMonitor::IsExtGpsPsyInUse() const |
|
462 { |
|
463 TInt count = iExtGpsPsyUsedArray.Count(); |
|
464 for ( TInt i = 0; i < count; i++ ) |
|
465 { |
|
466 if ( iExtGpsPsyUsedArray[i] > 0 ) |
|
467 { |
|
468 return ETrue; |
|
469 } |
|
470 } |
|
471 return EFalse; |
|
472 } |
|
473 |
|
474 // End of File |