|
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: Header file for CNSmlDMDbNotifier |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #ifndef NSMLDMDBNOTIFIER_H |
|
20 #define NSMLDMDBNOTIFIER_H |
|
21 |
|
22 #include <e32std.h> |
|
23 #include <SyncMLObservers.h> |
|
24 #include <SyncMLClient.h> |
|
25 #include "NSmlDMSyncUtil.h" |
|
26 |
|
27 // CLASS DECLARATION |
|
28 |
|
29 /** |
|
30 * DB events |
|
31 * |
|
32 */ |
|
33 NONSHARABLE_CLASS (TNSmlDMDbEvent) |
|
34 { |
|
35 public: |
|
36 TInt iType; |
|
37 TInt iProfileId; |
|
38 TInt iError; |
|
39 }; |
|
40 |
|
41 /** |
|
42 * Interface class to handle database events |
|
43 * |
|
44 */ |
|
45 class MNSmlDMDbEventHandler |
|
46 { |
|
47 |
|
48 public: |
|
49 /** |
|
50 * CNSmlDMDbNotifier calls this to inform that database has changed. |
|
51 * @param aStatus EClose, EUnlock, ECommit, ERollback, or ERecover (d32dbms.h). |
|
52 * @param aMoreEvents ETrue issue new request, EFalse no requests. |
|
53 * @return None. |
|
54 */ |
|
55 virtual void HandleDbEventL( TNSmlDMDbEvent aEvent ) = 0; |
|
56 }; |
|
57 |
|
58 /** |
|
59 * DB notifier |
|
60 * |
|
61 */ |
|
62 NONSHARABLE_CLASS (CNSmlDMDbNotifier) : public CBase, |
|
63 public MNSmlDMActiveCallerObserver, |
|
64 public MSyncMLEventObserver |
|
65 { |
|
66 public: |
|
67 enum TEventType |
|
68 { |
|
69 EUpdate, |
|
70 EUpdateAll, |
|
71 EDelete, |
|
72 EClose |
|
73 }; |
|
74 |
|
75 public: |
|
76 /** |
|
77 * Two-phased constructor |
|
78 * @param aDatabase Reference to RDbDatabase instance. |
|
79 * @param aHandler Pointer to MNSmlDMDbEventHandler instance. |
|
80 * @return None. |
|
81 */ |
|
82 static CNSmlDMDbNotifier* NewL( RSyncMLSession* aSyncSession, |
|
83 MNSmlDMDbEventHandler* aHandler ); |
|
84 |
|
85 /** |
|
86 * Destructor. |
|
87 */ |
|
88 virtual ~CNSmlDMDbNotifier(); |
|
89 |
|
90 // Functions from base classes |
|
91 |
|
92 private: |
|
93 |
|
94 /** |
|
95 * Constructor |
|
96 * @param aDatabase Reference to RDbDatabase instance. |
|
97 * @param aHandler Pointer to event handler. |
|
98 * @return None. |
|
99 */ |
|
100 CNSmlDMDbNotifier( RSyncMLSession* aSyncSession, |
|
101 MNSmlDMDbEventHandler* aHandler); |
|
102 |
|
103 /** |
|
104 * By default Symbian OS constructor is private. |
|
105 */ |
|
106 void ConstructL(); |
|
107 |
|
108 public: |
|
109 /** |
|
110 * Start requesting events from db. |
|
111 * @param None. |
|
112 * @return None. |
|
113 */ |
|
114 void RequestL(); |
|
115 |
|
116 |
|
117 private: // from MNSmlDMActiveCallerObserver |
|
118 |
|
119 /** |
|
120 * From MNSmlDMActiveCallerObserver |
|
121 * Called when CNSmlDMActiveCaller completes. |
|
122 * @param None |
|
123 * @return None. |
|
124 */ |
|
125 void HandleActiveCallL(); |
|
126 |
|
127 private: // from MSyncMLEventObserver |
|
128 |
|
129 /** |
|
130 * From MSyncMLEventObserver |
|
131 * Called when SyncML session events oocur. |
|
132 * @param aEvent. |
|
133 * @param aIdentifier. |
|
134 * @param aError. |
|
135 * @param aAdditionalData. |
|
136 * @return None. |
|
137 */ |
|
138 void OnSyncMLSessionEvent( TEvent aEvent, |
|
139 TInt aIdentifier, |
|
140 TInt aError, |
|
141 TInt aAdditionalData); |
|
142 |
|
143 public: |
|
144 /** |
|
145 * Call observer with delay |
|
146 * @param None |
|
147 * @return None |
|
148 */ |
|
149 void CallObserverWithDelay(); |
|
150 |
|
151 /** |
|
152 * Call observer |
|
153 * @param None |
|
154 * @return None |
|
155 */ |
|
156 void CallObserver(); |
|
157 |
|
158 /** |
|
159 * Set as disabled |
|
160 * @param aDisable |
|
161 * @return None |
|
162 */ |
|
163 void SetDisabled( TBool aDisable ); |
|
164 |
|
165 /** |
|
166 * Change profile count |
|
167 * @param None |
|
168 * @return TInt |
|
169 */ |
|
170 TInt ChangedProfileCount(); |
|
171 |
|
172 /** |
|
173 * DB event |
|
174 * @param aIndex |
|
175 * @return db event |
|
176 */ |
|
177 TNSmlDMDbEvent Event(TInt aIndex); |
|
178 |
|
179 /** |
|
180 * Event count |
|
181 * @param None |
|
182 * @return TInt |
|
183 */ |
|
184 TInt EventCount(); |
|
185 |
|
186 /** |
|
187 * Reset |
|
188 * @param None |
|
189 * @return None |
|
190 */ |
|
191 void Reset(); |
|
192 |
|
193 /** |
|
194 * Find event |
|
195 * @param None |
|
196 * @return TInt |
|
197 */ |
|
198 TInt FindCloseEvent(); |
|
199 |
|
200 /** |
|
201 * Find event |
|
202 * @param None |
|
203 * @return TInt |
|
204 */ |
|
205 TInt FindSingleProfileEvent(); |
|
206 |
|
207 /** |
|
208 * Find event |
|
209 * @param None |
|
210 * @return TInt |
|
211 */ |
|
212 TInt FindProfileEvent(); |
|
213 |
|
214 /** |
|
215 * Check if profile id is unique |
|
216 * @param aId Profile id |
|
217 * @return ETrue if unique |
|
218 */ |
|
219 TBool IsUniqueProfileId(TInt aId); |
|
220 |
|
221 /** |
|
222 * Utility function. |
|
223 * @return Sync session. |
|
224 */ |
|
225 RSyncMLSession& Session(); |
|
226 |
|
227 private: |
|
228 // sync session |
|
229 RSyncMLSession* iSyncSession; |
|
230 // Pointer to event handler |
|
231 MNSmlDMDbEventHandler* iHandler; |
|
232 // for making function call via active scheduler |
|
233 CNSmlDMActiveCaller* iActiveCaller; |
|
234 // for storing ids of changed profiles |
|
235 RArray<TNSmlDMDbEvent> iList; |
|
236 // can observer be called |
|
237 TBool iDisabled; |
|
238 // is synchronizing going on |
|
239 TBool iSyncRunning; |
|
240 }; |
|
241 |
|
242 #endif // NSMLDMDBNOTIFIER_H |
|
243 |
|
244 // End of File |