|
1 /* |
|
2 * Copyright (c) 2002-2005 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 "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: This file implements the methods which wrap functionality related |
|
15 * to landmark encoding into a simpler interface. |
|
16 * |
|
17 */ |
|
18 |
|
19 |
|
20 |
|
21 |
|
22 |
|
23 |
|
24 |
|
25 // INCLUDE FILES |
|
26 |
|
27 #include <e32base.h> |
|
28 #include <e32std.h> |
|
29 #include <AknQueryDialog.h> |
|
30 #include <StringLoader.h> |
|
31 #include <lmkui.rsg> |
|
32 #include <EPos_CPosLandmarkDatabase.h> |
|
33 #include <EPos_CPosLandmarkEncoder.h> |
|
34 #include "LmkConsts.h" |
|
35 #include "Debug.h" |
|
36 #include "LmkFileUtils.h" |
|
37 #include "CLmkAOOperation.h" |
|
38 #include "CLmkEncoder.h" |
|
39 #include "CLmkEncodeUnsavedLandmarksOp.h" |
|
40 #include <lmkerrors.h> |
|
41 |
|
42 // CONSTANTS |
|
43 /// Unnamed namespace for local definitions |
|
44 namespace { |
|
45 |
|
46 _LIT8( KLandmarkMimeType, "application/vnd.nokia.landmarkcollection+xml" ); |
|
47 // We wrap two async. tasks (export and write to file) into one |
|
48 // using estimated 0.8/0.2 progress distribution: |
|
49 const TReal32 KLmkExportMaxProgress( TReal32( 0.8 ) ); |
|
50 |
|
51 #if defined(_DEBUG) |
|
52 _LIT( KPanicMsg, "CLmkEncoder" ); |
|
53 |
|
54 void Panic( TPanicCode aReason ) |
|
55 { |
|
56 User::Panic( KPanicMsg, aReason ); |
|
57 } |
|
58 #endif |
|
59 } // namespace |
|
60 |
|
61 // ============================ MEMBER FUNCTIONS =============================== |
|
62 |
|
63 // ----------------------------------------------------------------------------- |
|
64 // CLmkEncoder::CLmkEncoder |
|
65 // C++ default constructor can NOT contain any code, that |
|
66 // might leave. |
|
67 // ----------------------------------------------------------------------------- |
|
68 // |
|
69 CLmkEncoder::CLmkEncoder( |
|
70 CPosLandmarkDatabase& aDb, |
|
71 MLmkAOOperationObserver& aObserver, |
|
72 TBool aProgressNote ) |
|
73 : iDb( aDb ), |
|
74 iObserver( aObserver ), |
|
75 iProgressNote( aProgressNote ) |
|
76 { |
|
77 } |
|
78 |
|
79 // ----------------------------------------------------------------------------- |
|
80 // CLmkEncoder::NewL() |
|
81 // ----------------------------------------------------------------------------- |
|
82 // |
|
83 EXPORT_C CLmkEncoder* CLmkEncoder::NewL( |
|
84 CPosLandmarkDatabase& aDb, |
|
85 MLmkAOOperationObserver& aObserver, |
|
86 TBool aProgressNote ) |
|
87 { |
|
88 CLmkEncoder* self = |
|
89 new ( ELeave ) CLmkEncoder( aDb, aObserver, aProgressNote ); |
|
90 CleanupStack::PushL( self ); |
|
91 self->ConstructL(); |
|
92 CleanupStack::Pop(); //self |
|
93 return self; |
|
94 } |
|
95 |
|
96 // ----------------------------------------------------------------------------- |
|
97 // CLmkEncoder::ConstructL() |
|
98 // ----------------------------------------------------------------------------- |
|
99 // |
|
100 void CLmkEncoder::ConstructL() |
|
101 { |
|
102 } |
|
103 |
|
104 // ----------------------------------------------------------------------------- |
|
105 // CLmkEncoder::~CLmkEncoder() |
|
106 // ----------------------------------------------------------------------------- |
|
107 // |
|
108 CLmkEncoder::~CLmkEncoder() |
|
109 { |
|
110 delete iAOOperation; |
|
111 delete iEncoder; |
|
112 } |
|
113 |
|
114 // ----------------------------------------------------------------------------- |
|
115 // CLmkEncoder::HandleOperationL |
|
116 // ----------------------------------------------------------------------------- |
|
117 // |
|
118 void CLmkEncoder::HandleOperationL( |
|
119 TOperationTypes aType, |
|
120 TReal32 aProgress, |
|
121 TInt aStatus ) |
|
122 { |
|
123 DEBUG2( CLmkEncoder::HandleOperationL entered: progress=%d status=%d, |
|
124 aProgress, aStatus ); |
|
125 |
|
126 __ASSERT_DEBUG( aType == EEncode, Panic( KLmkPanicUnknownOperation ) ); |
|
127 |
|
128 if ( aStatus != KPosLmOperationNotComplete ) |
|
129 { |
|
130 __ASSERT_DEBUG( iAOOperation, Panic( KLmkPanicNullMember ) ); |
|
131 |
|
132 delete iAOOperation; |
|
133 iAOOperation = NULL; |
|
134 |
|
135 if ( iExporting && aStatus == KErrNone ) |
|
136 { // start second part of asynchronous task |
|
137 FinalizeEncodingL(); |
|
138 aStatus = KPosLmOperationNotComplete; |
|
139 } |
|
140 } |
|
141 |
|
142 // Modify progress information because we have wrapped two tasks into one: |
|
143 if ( iExporting && aStatus == KPosLmOperationNotComplete ) |
|
144 { |
|
145 aProgress = aProgress * KLmkExportMaxProgress; |
|
146 } |
|
147 else if ( !iExporting && aStatus == KPosLmOperationNotComplete ) |
|
148 { // Progress of writing to file is between KLmkExportMaxProgress...1 |
|
149 aProgress = KLmkExportMaxProgress + |
|
150 aProgress * ( 1 - KLmkExportMaxProgress ); |
|
151 } |
|
152 |
|
153 if( iProgressNote || aStatus != KPosLmOperationNotComplete ) |
|
154 { // Caller either requested to receive all events, or we |
|
155 // have completed entirely and inform that to the caller. |
|
156 iObserver.HandleOperationL( aType, aProgress, aStatus ); |
|
157 } |
|
158 } |
|
159 |
|
160 // ----------------------------------------------------------------------------- |
|
161 // CLmkEncoder::SetPackageNameL |
|
162 // ----------------------------------------------------------------------------- |
|
163 // |
|
164 //EXPORT_C void CLmkEncoder::SetPackageNameL( const TDesC& aName ) |
|
165 void CLmkEncoder::SetPackageNameL( const TDesC& aName ) |
|
166 { |
|
167 iEncoder->AddCollectionDataL( EPosLmCollDataCollectionName, aName ); |
|
168 } |
|
169 |
|
170 // ----------------------------------------------------------------------------- |
|
171 // CLmkEncoder::StartEncodingL |
|
172 // ----------------------------------------------------------------------------- |
|
173 // |
|
174 EXPORT_C void CLmkEncoder::StartEncodingL( |
|
175 const TDesC& aFileName, |
|
176 const RArray<TPosLmItemId>& aLandmarkIdArray ) |
|
177 { |
|
178 DEBUG( CLmkEncoder::StartEncodingL entered ); |
|
179 LeaveIfInUseL(); |
|
180 PrepareEncoderL(aFileName); |
|
181 if (aLandmarkIdArray.Count() > 1) // Only if multiple Landmarks Are selected |
|
182 { |
|
183 // Set the package name here |
|
184 SetPackageNameL(aFileName); |
|
185 } |
|
186 |
|
187 CPosLmOperation* operation = |
|
188 iDb.ExportLandmarksL( *iEncoder, |
|
189 aLandmarkIdArray, |
|
190 CPosLandmarkDatabase::EIncludeCategories ); |
|
191 CleanupStack::PushL( operation ); |
|
192 iAOOperation = CLmkAOOperation::NewL( operation, |
|
193 *this, |
|
194 EEncode, |
|
195 iProgressNote ); |
|
196 CleanupStack::Pop( operation ); // ownership transferred |
|
197 |
|
198 iExporting = ETrue; // exporting part of encoding is being done |
|
199 |
|
200 DEBUG( CLmkEncoder::StartEncodingL: starting operation ); |
|
201 iAOOperation->StartOperation(); |
|
202 } |
|
203 |
|
204 // ----------------------------------------------------------------------------- |
|
205 // CLmkEncoder::CancelEncodeOperationL |
|
206 // ----------------------------------------------------------------------------- |
|
207 // |
|
208 EXPORT_C void CLmkEncoder::CancelEncodeOperationL() |
|
209 { |
|
210 if ( iAOOperation ) |
|
211 { |
|
212 iAOOperation->Cancel(); |
|
213 delete iAOOperation; |
|
214 iAOOperation = NULL; |
|
215 } |
|
216 } |
|
217 |
|
218 // ----------------------------------------------------------------------------- |
|
219 // CLmkEncoder::FinalizeEncodingL |
|
220 // ----------------------------------------------------------------------------- |
|
221 // |
|
222 void CLmkEncoder::FinalizeEncodingL() |
|
223 { |
|
224 DEBUG( CLmkEncoder::FinalizeEncodingL entered ); |
|
225 |
|
226 LeaveIfInUseL(); |
|
227 |
|
228 CPosLmOperation* operation = iEncoder->FinalizeEncodingL(); |
|
229 CleanupStack::PushL( operation ); |
|
230 iAOOperation = CLmkAOOperation::NewL( operation, |
|
231 *this, |
|
232 EEncode, |
|
233 iProgressNote ); |
|
234 CleanupStack::Pop( operation ); // ownership transferred |
|
235 |
|
236 iExporting = EFalse; // write to file -part of encoding is being done |
|
237 |
|
238 DEBUG( CLmkEncoder::FinalizeEncodingL: starting operation ); |
|
239 iAOOperation->StartOperation(); |
|
240 } |
|
241 |
|
242 // ----------------------------------------------------------------------------- |
|
243 // CLmkEncoder::LeaveIfInUseL |
|
244 // ----------------------------------------------------------------------------- |
|
245 // |
|
246 void CLmkEncoder::LeaveIfInUseL() |
|
247 { |
|
248 if ( iAOOperation ) |
|
249 { |
|
250 User::Leave( KErrInUse ); |
|
251 } |
|
252 } |
|
253 |
|
254 // ----------------------------------------------------------------------------- |
|
255 // CLmkEncoder::PrepareEncoderL |
|
256 // ----------------------------------------------------------------------------- |
|
257 // |
|
258 void CLmkEncoder::PrepareEncoderL(const TDesC& aFileName) |
|
259 { |
|
260 // Full path name (Private path c:\\Provate\\UID3 + pacakge File name) |
|
261 HBufC* nameBuf = HBufC::NewLC( 2 * KLmkPackageNameMaxLen + KLmkEncodedDataFileExtension().Length() ); |
|
262 |
|
263 // For getting private path |
|
264 TPtr ptr = nameBuf->Des(); |
|
265 RFs fs; |
|
266 User::LeaveIfError(fs.Connect()); |
|
267 CleanupClosePushL(fs); |
|
268 fs.SessionPath(ptr); |
|
269 fs.MkDirAll(ptr); |
|
270 CleanupStack::PopAndDestroy(); // fs |
|
271 |
|
272 ptr.Append(aFileName); |
|
273 ptr.Append(KLmkEncodedDataFileExtension); |
|
274 TInt err = KErrNone; |
|
275 |
|
276 if ( !iEncoder ) |
|
277 { |
|
278 DEBUG( CLmkEncoder::StartEncodingL: creating encoder ); |
|
279 TRAP(err, iEncoder = CPosLandmarkEncoder::NewL( KLandmarkMimeType )); |
|
280 DEBUG( CLmkEncoder::StartEncodingL: encoder created); |
|
281 } |
|
282 if(err != KErrNone) |
|
283 { |
|
284 LmkFileUtils::DeleteFileL( ptr ); // Delete old file if it exists |
|
285 CleanupStack::PopAndDestroy(nameBuf); //nameBuf |
|
286 User::LeaveIfError( err ); |
|
287 } |
|
288 LmkFileUtils::DeleteFileL( ptr ); // Delete old file if it exists |
|
289 iEncoder->SetOutputFileL( ptr ); |
|
290 CleanupStack::PopAndDestroy(nameBuf); //nameBuf |
|
291 } |
|
292 |
|
293 // ----------------------------------------------------------------------------- |
|
294 // CLmkEncoder::StartEncodingL |
|
295 // ----------------------------------------------------------------------------- |
|
296 // |
|
297 EXPORT_C void CLmkEncoder::StartEncodingL( |
|
298 const TDesC& aFileName, |
|
299 const RPointerArray<CLmkLandmark>& aLandmarks ) |
|
300 { |
|
301 DEBUG( CLmkEncoder::StartEncodingL entered ); |
|
302 LeaveIfInUseL(); |
|
303 PrepareEncoderL(aFileName); |
|
304 if (aLandmarks.Count() > 1) // Only if multiple Landmarks Are selected |
|
305 { |
|
306 // Set the package name here |
|
307 SetPackageNameL(aFileName); |
|
308 } |
|
309 |
|
310 CPosLmOperation* operation = |
|
311 CLmkEncodeUnsavedLandmarksOp::NewL( *iEncoder, |
|
312 aLandmarks, |
|
313 CPosLandmarkDatabase::EIncludeCategories); |
|
314 CleanupStack::PushL( operation ); |
|
315 iAOOperation = CLmkAOOperation::NewL( operation, |
|
316 *this, |
|
317 EEncode, |
|
318 iProgressNote ); |
|
319 CleanupStack::Pop( operation ); // ownership transferred |
|
320 |
|
321 iExporting = ETrue; // exporting part of encoding is being done |
|
322 |
|
323 DEBUG( CLmkEncoder::StartEncodingL: starting operation ); |
|
324 iAOOperation->StartOperation(); |
|
325 } |
|
326 // End of File |