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: Notifier class for any change in Storage API dtabase. |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 // System Includes |
|
20 #include <centralrepository.h> |
|
21 |
|
22 // User Includes |
|
23 #include "evtdbnotifier.h" |
|
24 #include "evtdebug.h" |
|
25 |
|
26 // ================ Member funtions for CEvtDatabase class ================== |
|
27 |
|
28 // --------------------------------------------------------------------------- |
|
29 // CEvtDbNotifier::CEvtDbNotifier |
|
30 // --------------------------------------------------------------------------- |
|
31 // |
|
32 CEvtDbNotifier::CEvtDbNotifier( MEvtDbObserver& aObserver ) |
|
33 :CActive( EPriorityStandard ), |
|
34 iDbObserver( aObserver ) |
|
35 { |
|
36 } |
|
37 |
|
38 // --------------------------------------------------------------------------- |
|
39 // CEvtDbNotifier::~CEvtDbNotifier |
|
40 // --------------------------------------------------------------------------- |
|
41 // |
|
42 CEvtDbNotifier::~CEvtDbNotifier() |
|
43 { |
|
44 Cancel(); |
|
45 delete iRepository; |
|
46 } |
|
47 |
|
48 // --------------------------------------------------------------------------- |
|
49 // CEvtDbNotifier::NewL |
|
50 // --------------------------------------------------------------------------- |
|
51 // |
|
52 CEvtDbNotifier* CEvtDbNotifier::NewL( MEvtDbObserver& aObserver ) |
|
53 { |
|
54 CEvtDbNotifier* self = NewLC( aObserver ); |
|
55 CleanupStack::Pop( self ); |
|
56 return self; |
|
57 } |
|
58 |
|
59 // --------------------------------------------------------------------------- |
|
60 // CEvtDbNotifier::NewLC |
|
61 // --------------------------------------------------------------------------- |
|
62 // |
|
63 CEvtDbNotifier* CEvtDbNotifier::NewLC( MEvtDbObserver& aObserver ) |
|
64 { |
|
65 CEvtDbNotifier* self = new ( ELeave )CEvtDbNotifier( aObserver ); |
|
66 CleanupStack::PushL( self ); |
|
67 self->ConstructL( ); |
|
68 return self; |
|
69 } |
|
70 |
|
71 // --------------------------------------------------------------------------- |
|
72 // CEvtDbNotifier::ConstructL |
|
73 // --------------------------------------------------------------------------- |
|
74 // |
|
75 void CEvtDbNotifier::ConstructL() |
|
76 { |
|
77 EVTUIDEBUG( "+ CEvtDbNotifier::ConstructL()" ); |
|
78 CActiveScheduler::Add(this); |
|
79 |
|
80 EVTUIDEBUG( "Calling CRepository::NewL" ); |
|
81 // Create the Central repository object notifying the Db change |
|
82 TRAPD(err, iRepository = CRepository::NewL( TUid::Uid( KCRUidEvtStorageDb ) ) ); |
|
83 EVTUIDEBUG1( "Calling CRepository::NewL Cenrep Error Code- %d", err ); |
|
84 User::LeaveIfError( err ); |
|
85 // Request for notification |
|
86 StartNotification(); |
|
87 |
|
88 EVTUIDEBUG( "- CEvtDbNotifier::ConstructL()" ); |
|
89 } |
|
90 |
|
91 // --------------------------------------------------------------------------- |
|
92 // void CEvtDbNotifier::RunL() |
|
93 // --------------------------------------------------------------------------- |
|
94 // |
|
95 void CEvtDbNotifier::RunL() |
|
96 { |
|
97 EVTUIDEBUG( "+ CEvtDbNotifier::RunL()" ); |
|
98 // resubscribe before processing new value to prevent missing updates |
|
99 StartNotification(); |
|
100 |
|
101 // processing new value |
|
102 HandleDbChangedL(); |
|
103 |
|
104 EVTUIDEBUG( "- CEvtDbNotifier::RunL()" ); |
|
105 } |
|
106 |
|
107 // --------------------------------------------------------------------------- |
|
108 // void CEvtDbNotifier::DoCancel() |
|
109 // --------------------------------------------------------------------------- |
|
110 // |
|
111 void CEvtDbNotifier::DoCancel() |
|
112 { |
|
113 EVTUIDEBUG( "+ CEvtDbNotifier::DoCancel()" ); |
|
114 // Cancel the outstanding CR notification request |
|
115 if( iRepository ) |
|
116 { |
|
117 iRepository->NotifyCancel( KEvtDbChangeType ); |
|
118 } |
|
119 EVTUIDEBUG( "- CEvtDbNotifier::DoCancel()" ); |
|
120 } |
|
121 |
|
122 // --------------------------------------------------------------------------- |
|
123 // TInt CEvtDbNotifier::RunError() |
|
124 // --------------------------------------------------------------------------- |
|
125 // |
|
126 TInt CEvtDbNotifier::RunError( TInt aError ) |
|
127 { |
|
128 return CActive::RunError( aError ); |
|
129 } |
|
130 |
|
131 // --------------------------------------------------------------------------- |
|
132 // void CEvtDbNotifier::StartNotification() |
|
133 // --------------------------------------------------------------------------- |
|
134 // |
|
135 void CEvtDbNotifier::StartNotification() |
|
136 { |
|
137 EVTUIDEBUG( "+ CEvtDbNotifier::StartNotification()" ); |
|
138 if( !IsActive() ) |
|
139 { |
|
140 iStatus = KRequestPending; |
|
141 // Request for notification |
|
142 iRepository->NotifyRequest( KEvtDbChangeType, iStatus ); |
|
143 SetActive(); |
|
144 } |
|
145 EVTUIDEBUG( "- CEvtDbNotifier::StartNotification()" ); |
|
146 } |
|
147 |
|
148 // --------------------------------------------------------------------------- |
|
149 // CEvtDbNotifier::HandleDbChangedL |
|
150 // --------------------------------------------------------------------------- |
|
151 // |
|
152 void CEvtDbNotifier::HandleDbChangedL( ) |
|
153 { |
|
154 EVTUIDEBUG( "+ CEvtDbNotifier::HandleDbChangedL()" ); |
|
155 // Notify the Observer for the database change type |
|
156 iDbObserver.HandleDbChangedL( ); |
|
157 EVTUIDEBUG( "- CEvtDbNotifier::HandleDbChangedL()" ); |
|
158 } |
|
159 |
|
160 // --------------------------------------------------------------------------- |
|
161 // CEvtDbNotifier::DbChangedL |
|
162 // --------------------------------------------------------------------------- |
|
163 // |
|
164 void CEvtDbNotifier::DbChangedL( ) |
|
165 { |
|
166 EVTUIDEBUG( "+ CEvtDbNotifier::DbChangedL()" ); |
|
167 // Get the type of database change from Cenrep key |
|
168 TInt flag = 0; |
|
169 User::LeaveIfError( iRepository->Get( KEvtDbChangeType, flag ) ); |
|
170 |
|
171 EVTUIDEBUG1( "In DbChangedL Get %d", flag ); |
|
172 flag = ( flag == 0 ) ? 1 : 0; |
|
173 EVTUIDEBUG1( "In DbChangedL Set %d", flag ); |
|
174 |
|
175 // Set the KEvtDbChangeType key of the Cenrep, So that other database |
|
176 // connection can get the notifications |
|
177 User::LeaveIfError( iRepository->Set( KEvtDbChangeType, flag ) ); |
|
178 EVTUIDEBUG( "- CEvtDbNotifier::DbChangedL()" ); |
|
179 } |
|
180 |
|
181 // End of File |
|