|
1 /* |
|
2 * Copyright (c) 2008 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: The source file for the CClockMCCTzIdMapper class. |
|
15 * |
|
16 */ |
|
17 |
|
18 // System includes |
|
19 #include <tz.h> |
|
20 #include <tzdefines.h> |
|
21 #include <vtzrules.h> |
|
22 #include <bautils.h> |
|
23 |
|
24 // User includes |
|
25 #include "clockmcctzmapper.h" |
|
26 #include "clock_debug.h" |
|
27 |
|
28 // Constants |
|
29 |
|
30 // Literals |
|
31 _LIT( KMCCResourceFileDir, "\\resource\\mcc\\" ); |
|
32 _LIT( KMCCResourceFileName, "mcc.rsc" ); |
|
33 |
|
34 // --------------------------------------------------------- |
|
35 // CClockMCCTzIdMapper::NewL |
|
36 // rest of the details are commented in the header |
|
37 // --------------------------------------------------------- |
|
38 // |
|
39 CClockMCCTzIdMapper* CClockMCCTzIdMapper::NewL() |
|
40 { |
|
41 __PRINTS( "CClockMCCTzIdMapper::NewL - Entry" ); |
|
42 |
|
43 CClockMCCTzIdMapper* self = CClockMCCTzIdMapper::NewLC(); |
|
44 CleanupStack::Pop( self ); |
|
45 |
|
46 __PRINTS( "CClockMCCTzIdMapper::NewL - Exit" ); |
|
47 |
|
48 return self; |
|
49 } |
|
50 |
|
51 // --------------------------------------------------------- |
|
52 // CClockMCCTzIdMapper::NewLC |
|
53 // rest of the details are commented in the header |
|
54 // --------------------------------------------------------- |
|
55 // |
|
56 CClockMCCTzIdMapper* CClockMCCTzIdMapper::NewLC() |
|
57 { |
|
58 __PRINTS( "CClockMCCTzIdMapper::NewLC - Entry" ); |
|
59 |
|
60 CClockMCCTzIdMapper* self = new ( ELeave ) CClockMCCTzIdMapper(); |
|
61 CleanupStack::PushL( self ); |
|
62 |
|
63 self->ConstructL(); |
|
64 |
|
65 __PRINTS( "CClockMCCTzIdMapper::NewLC - Exit" ); |
|
66 |
|
67 return self; |
|
68 } |
|
69 |
|
70 // --------------------------------------------------------- |
|
71 // CClockMCCTzIdMapper::ConstructL |
|
72 // rest of the details are commented in the header |
|
73 // --------------------------------------------------------- |
|
74 // |
|
75 void CClockMCCTzIdMapper::ConstructL() |
|
76 { |
|
77 __PRINTS( "CClockMCCTzIdMapper::ConstructL - Entry" ); |
|
78 |
|
79 // Connect to the file server |
|
80 User::LeaveIfError( iFs.Connect() ); |
|
81 |
|
82 // Get the full filename with drive letter |
|
83 TFileName rscFileName; |
|
84 TFindFile fileFinder( iFs ); |
|
85 |
|
86 // TFindFile applies search order that is from drive Y to A, then Z |
|
87 TInt err = fileFinder.FindByDir( KMCCResourceFileName, KMCCResourceFileDir ); |
|
88 |
|
89 if ( err == KErrNone ) |
|
90 { |
|
91 // Found file. |
|
92 rscFileName = fileFinder.File(); |
|
93 } |
|
94 else |
|
95 { |
|
96 __PRINTS( "Unable to open mcc.rsc. Leaving now!!" ); |
|
97 |
|
98 // Leave with reason, file not found. |
|
99 User::Leave( KErrPathNotFound ); |
|
100 } |
|
101 |
|
102 // Open the resource file. The resource file will not be localized as it |
|
103 // only contains integers, so there is no need to find a language specific |
|
104 // resource file name. |
|
105 iMCCResourceFile.OpenL( iFs, rscFileName ); |
|
106 iMCCResourceFile.ConfirmSignatureL(); |
|
107 |
|
108 // Assign buffer for holding resource |
|
109 TInt resourceId = iMCCResourceFile.Offset() + EMCCFirstResource; |
|
110 iResourceBuffer = iMCCResourceFile.AllocReadL( resourceId ); |
|
111 |
|
112 __PRINTS( "CClockMCCTzIdMapper::ConstructL - Exit" ); |
|
113 } |
|
114 |
|
115 // --------------------------------------------------------- |
|
116 // CClockMCCTzIdMapper::~CClockMCCTzIdMapper |
|
117 // rest of the details are commented in the header |
|
118 // --------------------------------------------------------- |
|
119 // |
|
120 CClockMCCTzIdMapper::~CClockMCCTzIdMapper() |
|
121 { |
|
122 __PRINTS( "CClockMCCTzIdMapper::~CClockMCCTzIdMapper - Entry" ); |
|
123 |
|
124 // Close the resource file. |
|
125 iMCCResourceFile.Close(); |
|
126 // Free up the resource buffer. |
|
127 if( iResourceBuffer ) |
|
128 { |
|
129 delete iResourceBuffer; |
|
130 iResourceBuffer = NULL; |
|
131 } |
|
132 |
|
133 // Close the file server session. |
|
134 iFs.Close(); |
|
135 |
|
136 __PRINTS( "CClockMCCTzIdMapper::~CClockMCCTzIdMapper - Exit" ); |
|
137 } |
|
138 |
|
139 // --------------------------------------------------------- |
|
140 // CClockMCCTzIdMapper::UTCOffSetWithoutDSTChangesL |
|
141 // rest of the details are commented in the header |
|
142 // --------------------------------------------------------- |
|
143 // |
|
144 TInt CClockMCCTzIdMapper::UTCOffSetWithoutDSTChangesL( RTz& aTz, const CTzId& aTzId ) const |
|
145 { |
|
146 __PRINTS( "CClockMCCTzIdMapper::UTCOffSetWithoutDSTChangesL - Entry" ); |
|
147 |
|
148 TInt timeOffset( KErrNotFound ); |
|
149 |
|
150 TTime universalTime; |
|
151 universalTime.UniversalTime(); |
|
152 |
|
153 // Get the current rules for the timezone rules |
|
154 CTzRules* currentRules = aTz.GetTimeZoneRulesL( aTzId, universalTime, universalTime, ETzUtcTimeReference ); |
|
155 if( currentRules ) |
|
156 { |
|
157 timeOffset = currentRules->InitialStdTimeOffset(); |
|
158 delete currentRules; |
|
159 } |
|
160 |
|
161 __PRINTS( "CClockMCCTzIdMapper::UTCOffSetWithoutDSTChangesL - Exit" ); |
|
162 |
|
163 return timeOffset; |
|
164 } |
|
165 |
|
166 // --------------------------------------------------------- |
|
167 // CClockMCCTzIdMapper::TzIdFromMccL |
|
168 // rest of the details are commented in the header |
|
169 // --------------------------------------------------------- |
|
170 // |
|
171 void CClockMCCTzIdMapper::TzIdFromMccL( const RMobilePhone::TMobilePhoneNetworkCountryCode& aMCC, |
|
172 RArray< CTzId >& aTzIdArray, |
|
173 const TTimeIntervalMinutes& aStdTimeOffset ) |
|
174 { |
|
175 __PRINTS( "CClockMCCTzIdMapper::TzIdFromMccL - Entry" ); |
|
176 |
|
177 // Convert the TMobilePhoneNetworkCountryCode to a TInt. |
|
178 TInt currentMcc; |
|
179 TLex lexUtil( aMCC ); |
|
180 User::LeaveIfError( lexUtil.Val( currentMcc ) ); |
|
181 |
|
182 __PRINT( "MCC: %d", currentMcc ); |
|
183 |
|
184 // Get all the DST zones that match mcc |
|
185 DoGetTzIdFromMCCL( currentMcc, aTzIdArray ); |
|
186 |
|
187 // Limit the returned entries to those with a specific StdTimeOffset |
|
188 TInt offset = aStdTimeOffset.Int(); |
|
189 if( offset != -1 ) |
|
190 { |
|
191 // Connect to Tz |
|
192 RTz tzHandle; |
|
193 CleanupClosePushL( tzHandle ); |
|
194 User::LeaveIfError( tzHandle.Connect() ); |
|
195 |
|
196 TInt currentZoneOffset; |
|
197 TInt count = aTzIdArray.Count(); |
|
198 // Loop through the array in reverse order, removing all entries |
|
199 // with non matching standard time offsets. |
|
200 for( TInt index( count - 1 ); index >= KErrNone; --index ) |
|
201 { |
|
202 currentZoneOffset = UTCOffSetWithoutDSTChangesL( tzHandle, aTzIdArray[ index ] ); |
|
203 if( currentZoneOffset != offset ) |
|
204 { |
|
205 aTzIdArray.Remove( index ); |
|
206 } |
|
207 } |
|
208 // Cleanup. |
|
209 CleanupStack::PopAndDestroy( &tzHandle ); |
|
210 } |
|
211 |
|
212 __PRINTS( "CClockMCCTzIdMapper::TzIdFromMccL - Exit" ); |
|
213 } |
|
214 |
|
215 // --------------------------------------------------------- |
|
216 // CClockMCCTzIdMapper::TzIdFromOffsetL |
|
217 // rest of the details are commented in the header |
|
218 // --------------------------------------------------------- |
|
219 // |
|
220 void CClockMCCTzIdMapper::TzIdFromOffsetL( const TTimeIntervalMinutes& aStdTimeOffset, RArray< CTzId >& aTzIdArray ) |
|
221 { |
|
222 __PRINTS( "CClockMCCTzIdMapper::TzIdFromOffsetL - Entry" ); |
|
223 |
|
224 // Reset the position in the resource buffer |
|
225 iResourceReader.SetBuffer( iResourceBuffer ); |
|
226 // First TInt is the number of array items |
|
227 TInt numberOfItems( iResourceReader.ReadInt16() ); |
|
228 |
|
229 // Loop through the resource array reading the TzId |
|
230 for( TInt index( KErrNone ); index < numberOfItems; ++index ) |
|
231 { |
|
232 TInt timeZoneId( iResourceReader.ReadInt16() ); |
|
233 TInt mobileCC( iResourceReader.ReadInt16() ); |
|
234 |
|
235 CTzId* timeZone = CTzId::NewL( timeZoneId ); |
|
236 CleanupStack::PushL( timeZone ); |
|
237 |
|
238 aTzIdArray.AppendL( *timeZone ); |
|
239 |
|
240 CleanupStack::PopAndDestroy( timeZone ); |
|
241 timeZone = NULL; |
|
242 } |
|
243 |
|
244 // Limit the returned entries to those with a specific StdTimeOffset |
|
245 TInt timeOffset( aStdTimeOffset.Int() ); |
|
246 |
|
247 // Connect to Tz |
|
248 RTz tzHandle; |
|
249 CleanupClosePushL( tzHandle ); |
|
250 User::LeaveIfError( tzHandle.Connect() ); |
|
251 |
|
252 TInt currentZoneOffset; |
|
253 TInt idCount( aTzIdArray.Count() ); |
|
254 |
|
255 // Loop through the array in reverse order, removing all entries |
|
256 // with non matching standard time offsets. |
|
257 for( TInt index( idCount - 1 ); index >= KErrNone; --index ) |
|
258 { |
|
259 currentZoneOffset = UTCOffSetWithoutDSTChangesL( tzHandle, aTzIdArray[ index ] ); |
|
260 if( currentZoneOffset != timeOffset ) |
|
261 { |
|
262 aTzIdArray.Remove( index ); |
|
263 } |
|
264 } |
|
265 CleanupStack::PopAndDestroy( &tzHandle ); |
|
266 |
|
267 // This is a check to see if the timezone array has multiple entries with same timezone ID. |
|
268 // This happens because many countries have multiple MCCs for a single timezone ID. |
|
269 // For ex: India has MCCs 404 and 405 for the same timezone ID 1624 and offset GMT+5:30. |
|
270 TInt zoneCount( aTzIdArray.Count() ); |
|
271 if( 1 < zoneCount ) |
|
272 { |
|
273 CTzId& prevTzId = aTzIdArray[ KErrNone ]; |
|
274 for( TInt zoneIndex( zoneCount - 1 ); zoneIndex > KErrNone; --zoneIndex ) |
|
275 { |
|
276 CTzId& curTzId = aTzIdArray[ zoneIndex ]; |
|
277 if( prevTzId != curTzId ) |
|
278 { |
|
279 // There are multiple timezones. So skip. |
|
280 break; |
|
281 } |
|
282 else |
|
283 { |
|
284 // Keep removing duplicate zone IDs. |
|
285 aTzIdArray.Remove( zoneIndex ); |
|
286 } |
|
287 } |
|
288 } |
|
289 |
|
290 __PRINTS( "CClockMCCTzIdMapper::TzIdFromOffsetL - Exit" ); |
|
291 } |
|
292 |
|
293 // --------------------------------------------------------- |
|
294 // CClockMCCTzIdMapper::DoGetTzIdFromMCCL |
|
295 // rest of the details are commented in the header |
|
296 // --------------------------------------------------------- |
|
297 // |
|
298 void CClockMCCTzIdMapper::DoGetTzIdFromMCCL( TInt aMcc, RArray< CTzId >& aTzIdArray ) |
|
299 { |
|
300 __PRINTS( "CClockMCCTzIdMapper::DoGetTzIdFromMCCL - Entry" ); |
|
301 |
|
302 __PRINT( "MCC:%d", aMcc ); |
|
303 |
|
304 // Reset the position in the resource buffer. |
|
305 iResourceReader.SetBuffer( iResourceBuffer ); |
|
306 // First TInt is the number of array items. |
|
307 TInt numberOfItems( iResourceReader.ReadInt16() ); |
|
308 |
|
309 TInt timeZoneId; |
|
310 TInt mobileCC; |
|
311 CTzId* matchingDSTZone( NULL ); |
|
312 |
|
313 // Loop through the resource array reading the TzId / MCC pairs. |
|
314 for( TInt index( KErrNone ); index < numberOfItems; ++index ) |
|
315 { |
|
316 timeZoneId = iResourceReader.ReadInt16(); |
|
317 mobileCC = iResourceReader.ReadInt16(); |
|
318 |
|
319 // Found a match - create a new CTzId and append to the TzId array. |
|
320 if( mobileCC == aMcc ) |
|
321 { |
|
322 matchingDSTZone = CTzId::NewL( timeZoneId ); |
|
323 CleanupStack::PushL( matchingDSTZone ); |
|
324 |
|
325 aTzIdArray.AppendL( *matchingDSTZone ); |
|
326 |
|
327 CleanupStack::PopAndDestroy( matchingDSTZone ); |
|
328 |
|
329 matchingDSTZone = NULL; |
|
330 } |
|
331 } |
|
332 |
|
333 __PRINTS( "CClockMCCTzIdMapper::DoGetTzIdFromMCCL - Exit" ); |
|
334 } |
|
335 |
|
336 // --------------------------------------------------------- |
|
337 // CClockMCCTzIdMapper::MCCFromTzIdL |
|
338 // rest of the details are commented in the header |
|
339 // --------------------------------------------------------- |
|
340 // |
|
341 TInt CClockMCCTzIdMapper::MCCFromTzIdL( const CTzId& aTzId ) |
|
342 { |
|
343 __PRINTS( "CClockMCCTzIdMapper::MCCFromTzIdL - Entry" ); |
|
344 |
|
345 // Reset the position in the resource buffer |
|
346 iResourceReader.SetBuffer( iResourceBuffer ); |
|
347 // First TInt is the number of array items |
|
348 TInt numberOfItems( iResourceReader.ReadInt16() ); |
|
349 TInt timeZoneId; |
|
350 TInt mobileCC; |
|
351 |
|
352 // Loop through the resource array reading the TzId / MCC pairs |
|
353 for( TInt index( KErrNone ); index < numberOfItems; ++index ) |
|
354 { |
|
355 timeZoneId = iResourceReader.ReadInt16(); |
|
356 mobileCC = iResourceReader.ReadInt16(); |
|
357 |
|
358 // Found a match return the mcc |
|
359 if( timeZoneId == aTzId.TimeZoneNumericID() ) |
|
360 { |
|
361 __PRINT( "Found a match, MCC - %d", mobileCC ); |
|
362 |
|
363 return mobileCC; |
|
364 } |
|
365 } |
|
366 |
|
367 __PRINTS( "CClockMCCTzIdMapper::MCCFromTzIdL - Exit" ); |
|
368 |
|
369 return KErrNotFound; |
|
370 } |
|
371 |
|
372 // End of file |