|
1 /* |
|
2 * Copyright (c) 2005 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 the License "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: A task to update all Feeds. |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #include "FolderAttributes.h" |
|
20 #include "FeedsDatabase.h" |
|
21 #include "FeedsServer.h" |
|
22 #include "LeakTracker.h" |
|
23 #include "Logger.h" |
|
24 #include "PackedFeed.h" |
|
25 #include "PackedFolder.h" |
|
26 #include "UpdateAllFeedsTask.h" |
|
27 #include <SysUtil.h> |
|
28 |
|
29 |
|
30 // ----------------------------------------------------------------------------- |
|
31 // CUpdateAllFeedsTask::NewL |
|
32 // |
|
33 // Two-phased constructor. |
|
34 // ----------------------------------------------------------------------------- |
|
35 // |
|
36 CUpdateAllFeedsTask* CUpdateAllFeedsTask::NewL(CFeedsServer& aFeedsServer, |
|
37 TInt aFolderListId, MUpdateAllFeedsTaskObserver& aObserver) |
|
38 { |
|
39 CUpdateAllFeedsTask* self = new (ELeave) CUpdateAllFeedsTask(aFeedsServer, |
|
40 aFolderListId, aObserver, EFalse); |
|
41 |
|
42 CleanupStack::PushL(self); |
|
43 self->ConstructL(); |
|
44 CleanupStack::Pop(); |
|
45 |
|
46 return self; |
|
47 } |
|
48 |
|
49 |
|
50 // ----------------------------------------------------------------------------- |
|
51 // CUpdateAllFeedsTask::NewL |
|
52 // |
|
53 // Two-phased constructor. |
|
54 // ----------------------------------------------------------------------------- |
|
55 // |
|
56 CUpdateAllFeedsTask* CUpdateAllFeedsTask::NewL(CFeedsServer& aFeedsServer, |
|
57 TInt aFolderListId, const RArray<TInt>& aFeedIds, MUpdateAllFeedsTaskObserver& aObserver) |
|
58 { |
|
59 CUpdateAllFeedsTask* self = new (ELeave) CUpdateAllFeedsTask(aFeedsServer, |
|
60 aFolderListId, aObserver, ETrue); |
|
61 |
|
62 CleanupStack::PushL(self); |
|
63 self->ConstructL(); |
|
64 |
|
65 for (TInt i = 0; i < aFeedIds.Count(); i++) |
|
66 { |
|
67 // Add it to the list of entries to update (duplicate ids are ignored). |
|
68 (void) self->iFeedIds.InsertInOrder(aFeedIds[i]); |
|
69 } |
|
70 |
|
71 CleanupStack::Pop(); |
|
72 |
|
73 return self; |
|
74 } |
|
75 |
|
76 |
|
77 // ----------------------------------------------------------------------------- |
|
78 // CUpdateAllFeedsTask::CUpdateAllFeedsTask |
|
79 // C++ default constructor can NOT contain any code, that |
|
80 // might leave. |
|
81 // ----------------------------------------------------------------------------- |
|
82 // |
|
83 CUpdateAllFeedsTask::CUpdateAllFeedsTask(CFeedsServer& aFeedsServer, |
|
84 TInt aFolderListId, MUpdateAllFeedsTaskObserver& aObserver, TBool aSelected): |
|
85 CTask(aFeedsServer), iLeakTracker(CLeakTracker::EUpdateAllFeedsTask), |
|
86 iObserver(aObserver), iFolderListId(aFolderListId), iSelected(aSelected) |
|
87 { |
|
88 } |
|
89 |
|
90 |
|
91 // ----------------------------------------------------------------------------- |
|
92 // CUpdateAllFeedsTask::ConstructL |
|
93 // Symbian 2nd phase constructor can leave. |
|
94 // ----------------------------------------------------------------------------- |
|
95 // |
|
96 void CUpdateAllFeedsTask::ConstructL() |
|
97 { |
|
98 BaseConstructL(ETrue); |
|
99 iCheckDiskSpace = CCheckDiskSpace::NewL(this); |
|
100 iCheckDiskSpace->StartListening(); |
|
101 } |
|
102 |
|
103 |
|
104 // ----------------------------------------------------------------------------- |
|
105 // CUpdateAllFeedsTask::~CUpdateAllFeedsTask |
|
106 // Deconstructor. |
|
107 // ----------------------------------------------------------------------------- |
|
108 // |
|
109 CUpdateAllFeedsTask::~CUpdateAllFeedsTask() |
|
110 { |
|
111 iFeedIds.Close(); |
|
112 delete iUpdateFeedTask; |
|
113 delete iCheckDiskSpace; |
|
114 iCheckDiskSpace = NULL; |
|
115 } |
|
116 |
|
117 |
|
118 // ----------------------------------------------------------------------------- |
|
119 // CUpdateAllFeedsTask::StartTaskL. |
|
120 // |
|
121 // Starts the task. |
|
122 // ----------------------------------------------------------------------------- |
|
123 // |
|
124 void CUpdateAllFeedsTask::StartTaskL() |
|
125 { |
|
126 |
|
127 TInt drive( EDriveC ); |
|
128 TBool isSpace( EFalse ); |
|
129 RFs rfs; |
|
130 |
|
131 User::LeaveIfError(rfs.Connect()); |
|
132 CleanupClosePushL(rfs); |
|
133 |
|
134 TRAP_IGNORE( isSpace = !SysUtil::DiskSpaceBelowCriticalLevelL( |
|
135 &rfs, |
|
136 KMinFreebytes, |
|
137 drive )); |
|
138 |
|
139 CleanupStack::PopAndDestroy(); //rfs |
|
140 // Abort the updation of feeds under low memory. |
|
141 if(!isSpace) |
|
142 { |
|
143 iObserver.UpdateAllFeedsCompleted(KErrNoMemory); |
|
144 return; |
|
145 } |
|
146 |
|
147 // Extract all of the ids if not selected update. |
|
148 if ( !iSelected ) |
|
149 { |
|
150 if( iFeedIds.Count() != 0 ) |
|
151 { |
|
152 FEED_LOG1(_L("Feeds"), _L("Feeds_Errors.log"), |
|
153 EFileLoggingModeAppend, _L("CUpdateAllFeedsTask::StartTaskL iFeedIds count is %d when updating all"), |
|
154 iFeedIds.Count()); |
|
155 } |
|
156 iFeedsServer.Database().AllFeedIdsL( iFeedIds, iFolderListId ); |
|
157 } |
|
158 // Otherwise just use the feed ids already in iFeedIds. |
|
159 |
|
160 // Start the first update. |
|
161 UpdateNextFeedL(); |
|
162 } |
|
163 |
|
164 |
|
165 // ----------------------------------------------------------------------------- |
|
166 // CUpdateAllFeedsTask::StartWait |
|
167 // |
|
168 // Notifies the observer that the UrlHandler is about to start a lengthy operation. |
|
169 // In response the observer could display somekind of status indicator. |
|
170 // ----------------------------------------------------------------------------- |
|
171 // |
|
172 void CUpdateAllFeedsTask::StartWait() |
|
173 { |
|
174 //iObserver.StartWait(); |
|
175 } |
|
176 |
|
177 |
|
178 // ----------------------------------------------------------------------------- |
|
179 // CUpdateAllFeedsTask::Completed |
|
180 // |
|
181 // Called upon completion of the task. |
|
182 // ----------------------------------------------------------------------------- |
|
183 // |
|
184 void CUpdateAllFeedsTask::Completed(CPackedFeed* aPackedFeed, const TDesC& aFeedUrl,TInt aFeedId, |
|
185 TInt aStatusCode) |
|
186 { |
|
187 TInt err; |
|
188 |
|
189 // Delete the task. |
|
190 iUpdateFeedTask->AutoDelete(); |
|
191 iUpdateFeedTask = NULL; |
|
192 |
|
193 // A new packed feed is ready update the database. |
|
194 if (aPackedFeed != NULL) |
|
195 { |
|
196 // Update the database. |
|
197 TRAP_IGNORE(iFeedsServer.Database().UpdateFeedL(*aPackedFeed, aFeedUrl,aFeedId, iFolderListId)); |
|
198 iFeedIds.Remove(iNextFeedIndex); |
|
199 delete aPackedFeed; |
|
200 } |
|
201 else |
|
202 { |
|
203 iFeedIds.Remove(iNextFeedIndex); |
|
204 } |
|
205 |
|
206 if(aStatusCode != KErrCancel && aStatusCode != KErrNoMemory) |
|
207 { |
|
208 // Update the database. |
|
209 TRAP_IGNORE(iFeedsServer.Database().UpdateFeedStatusL(aFeedId,aStatusCode)); |
|
210 } |
|
211 // Stop updating if a fatal error ocurrs. |
|
212 // TODO: What other errors should stop this? |
|
213 if ((aStatusCode == KErrCancel) || (aStatusCode == KErrNoMemory)) |
|
214 { |
|
215 iObserver.UpdateAllFeedsCompleted(aStatusCode); |
|
216 } |
|
217 |
|
218 // Otherwise start the next update. Note: this is done even if the last |
|
219 // update failed. |
|
220 else |
|
221 { |
|
222 TRAP(err, UpdateNextFeedL()); |
|
223 |
|
224 // Just stop updating if an error occurred. |
|
225 if (err != KErrNone) |
|
226 { |
|
227 iObserver.UpdateAllFeedsCompleted(err); |
|
228 } |
|
229 } |
|
230 } |
|
231 |
|
232 |
|
233 // ----------------------------------------------------------------------------- |
|
234 // CUpdateAllFeedsTask::UpdateNextFeed |
|
235 // |
|
236 // Starts the update of the next feed. |
|
237 // ----------------------------------------------------------------------------- |
|
238 // |
|
239 void CUpdateAllFeedsTask::UpdateNextFeedL() |
|
240 { |
|
241 TBool done = EFalse; |
|
242 |
|
243 // TODO: Allow several feeds to be updated at the same time. |
|
244 |
|
245 while (!done) |
|
246 { |
|
247 // Update the next feed. |
|
248 if (iNextFeedIndex < iFeedIds.Count()) |
|
249 { |
|
250 HBufC* feedUrl = NULL; |
|
251 |
|
252 if(iFeedIds[iNextFeedIndex] > 0) |
|
253 { |
|
254 // Get feed's url from the datbase. |
|
255 (void) iFeedsServer.Database().UrlFromFeedIdL( |
|
256 iFeedIds[iNextFeedIndex], feedUrl); |
|
257 CleanupStack::PushL(feedUrl); |
|
258 |
|
259 // Create a new task to update the feed. |
|
260 iUpdateFeedTask = CUpdateFeedTask::NewL(iFeedsServer, |
|
261 *feedUrl,iFeedIds[iNextFeedIndex], *this); |
|
262 TRAPD(err, iUpdateFeedTask->StartTaskL()); |
|
263 |
|
264 // Done if the task was started. |
|
265 if (err == KErrNone) |
|
266 { |
|
267 done = ETrue; |
|
268 } |
|
269 |
|
270 // Otherwise the task wasn't started so delete it. |
|
271 else |
|
272 { |
|
273 if(err != KErrCancel && err != KErrNoMemory) |
|
274 { |
|
275 iFeedsServer.Database().UpdateFeedStatusL(iFeedIds[iNextFeedIndex],err); |
|
276 } |
|
277 delete iUpdateFeedTask; |
|
278 iUpdateFeedTask = NULL; |
|
279 } |
|
280 |
|
281 CleanupStack::PopAndDestroy(feedUrl); |
|
282 } |
|
283 } |
|
284 |
|
285 // Otherwise notify the observer that there are no more feeds to update. |
|
286 else |
|
287 { |
|
288 #if defined(_DEBUG) |
|
289 iFeedsServer.Database().DebugPrintItemTableL(); |
|
290 #endif |
|
291 iObserver.UpdateAllFeedsCompleted(KErrNone); |
|
292 done = ETrue; |
|
293 } |
|
294 } |
|
295 } |
|
296 // ----------------------------------------------------------------------------- |
|
297 // CUpdateAllFeedsTask::AddFeedL |
|
298 // |
|
299 // return integer |
|
300 // ----------------------------------------------------------------------------- |
|
301 // |
|
302 TInt CUpdateAllFeedsTask::AddFeedL( RArray<TInt> aFeedIds) |
|
303 { |
|
304 TBool taskRunning = EFalse; |
|
305 |
|
306 if(iFeedIds.Count()) |
|
307 { |
|
308 taskRunning = ETrue; |
|
309 } |
|
310 |
|
311 for(TInt i=0 ; i< aFeedIds.Count(); i++) |
|
312 { |
|
313 if( iFeedIds.Find(aFeedIds[i]) < 0 ) |
|
314 { |
|
315 iFeedIds.Append(aFeedIds[i]); |
|
316 } |
|
317 } |
|
318 if(!taskRunning) |
|
319 { |
|
320 iNextFeedIndex = 0; |
|
321 UpdateNextFeedL(); |
|
322 } |
|
323 |
|
324 return KErrNone; |
|
325 } |
|
326 // ----------------------------------------------------------------------------- |
|
327 // CUpdateAllFeedsTask::HttpConnection |
|
328 // |
|
329 // return connection |
|
330 // ----------------------------------------------------------------------------- |
|
331 // |
|
332 CHttpConnection& CUpdateAllFeedsTask::HttpConnection() |
|
333 { |
|
334 return iObserver.HttpConnection(); |
|
335 } |
|
336 |
|
337 // ----------------------------------------------------------------------------- |
|
338 // CUpdateAllFeedsTask::UpdateAllFeedsCompleted |
|
339 // |
|
340 // return connection |
|
341 // ----------------------------------------------------------------------------- |
|
342 // |
|
343 void CUpdateAllFeedsTask::UpdateAllFeedsCompleted(TInt aStatusCode) |
|
344 { |
|
345 iObserver.UpdateAllFeedsCompleted(aStatusCode); |
|
346 } |
|
347 |
|
348 // ----------------------------------------------------------------------------- |
|
349 // CCheckDiskSpace::NewL |
|
350 // |
|
351 // Two-phased constructor. |
|
352 // ----------------------------------------------------------------------------- |
|
353 CCheckDiskSpace* CCheckDiskSpace::NewL(CUpdateAllFeedsTask* aUpdateAllFeedsTask) |
|
354 { |
|
355 CCheckDiskSpace* self = new (ELeave) CCheckDiskSpace(); |
|
356 CleanupStack::PushL(self); |
|
357 self->ConstructL(aUpdateAllFeedsTask); |
|
358 CleanupStack::Pop(); |
|
359 return self; |
|
360 } |
|
361 |
|
362 // ----------------------------------------------------------------------------- |
|
363 // CCheckDiskSpace::~CCheckDiskSpace |
|
364 // |
|
365 // Destructor |
|
366 // ----------------------------------------------------------------------------- |
|
367 CCheckDiskSpace::~CCheckDiskSpace() |
|
368 { |
|
369 if(iIsListening) |
|
370 { |
|
371 Cancel(); |
|
372 iIsListening = EFalse; |
|
373 } |
|
374 iRfs.Close(); |
|
375 } |
|
376 |
|
377 // ----------------------------------------------------------------------------- |
|
378 // CCheckDiskSpace::ConstructL |
|
379 // |
|
380 // Symbian 2nd phase constructor can leave. |
|
381 // ----------------------------------------------------------------------------- |
|
382 void CCheckDiskSpace::ConstructL(CUpdateAllFeedsTask* aUpdateAllFeedsTask) |
|
383 { |
|
384 CActiveScheduler::Add(this); |
|
385 iUpdateAllFeedsTask = aUpdateAllFeedsTask; |
|
386 User::LeaveIfError(iRfs.Connect()); |
|
387 } |
|
388 |
|
389 // ----------------------------------------------------------------------------- |
|
390 // CCheckDiskSpace::CCheckDiskSpace |
|
391 // |
|
392 //C++ default constructor can NOT contain any code that |
|
393 // might leave. |
|
394 // ----------------------------------------------------------------------------- |
|
395 CCheckDiskSpace::CCheckDiskSpace():CActive(EPriorityStandard ), iIsListening(EFalse) |
|
396 { |
|
397 } |
|
398 |
|
399 // ----------------------------------------------------------------------------- |
|
400 // CCheckDiskSpace::RunL |
|
401 // |
|
402 // To Receive event from Subscribe and publish server and |
|
403 // based on the C: drive memory. |
|
404 // ----------------------------------------------------------------------------- |
|
405 void CCheckDiskSpace::RunL() |
|
406 { |
|
407 if(iStatus == KErrNone) |
|
408 { |
|
409 TInt drive( EDriveC ); |
|
410 TBool isSpace( EFalse ); |
|
411 |
|
412 TRAP_IGNORE( isSpace = !SysUtil::DiskSpaceBelowCriticalLevelL( |
|
413 &iRfs, |
|
414 KMinFreebytes, |
|
415 drive )); |
|
416 if(!isSpace) |
|
417 { |
|
418 iUpdateAllFeedsTask->UpdateAllFeedsCompleted(KErrNoMemory); |
|
419 } |
|
420 else |
|
421 { |
|
422 StartListening(); |
|
423 } |
|
424 } |
|
425 else |
|
426 { |
|
427 iIsListening = EFalse; |
|
428 } |
|
429 } |
|
430 |
|
431 // ----------------------------------------------------------------------------- |
|
432 // CCheckDiskSpace::RunError |
|
433 // |
|
434 // ----------------------------------------------------------------------------- |
|
435 void CCheckDiskSpace::RunError() |
|
436 { |
|
437 } |
|
438 |
|
439 // ----------------------------------------------------------------------------- |
|
440 // CCheckDiskSpace::DoCancel |
|
441 // |
|
442 // ----------------------------------------------------------------------------- |
|
443 void CCheckDiskSpace::DoCancel() |
|
444 { |
|
445 iRfs.NotifyDiskSpaceCancel(iStatus); |
|
446 |
|
447 } |
|
448 |
|
449 // ----------------------------------------------------------------------------- |
|
450 // CCheckDiskSpace::StartListening |
|
451 // |
|
452 // This function subscribe to receive events on C: drive memory activites. |
|
453 // ----------------------------------------------------------------------------- |
|
454 void CCheckDiskSpace::StartListening() |
|
455 { |
|
456 |
|
457 if(!IsActive()) |
|
458 { |
|
459 TInt drive( EDriveC ); |
|
460 |
|
461 iRfs.NotifyDiskSpace( KMinFreebytes, drive, iStatus); |
|
462 iIsListening = ETrue; |
|
463 |
|
464 SetActive(); |
|
465 } |
|
466 } |