|
1 /* |
|
2 * Copyright (c) 2002 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: |
|
15 * Implementaion of CCbsUiTopicListMonitor. |
|
16 * |
|
17 * |
|
18 */ |
|
19 |
|
20 |
|
21 // INCLUDES |
|
22 #include "MCbs.h" |
|
23 #include "CCbsUiTopicListMonitor.h" |
|
24 #include "MCbsUiTopicMonitorObserver.h" |
|
25 #include "CbsUiPanic.h" |
|
26 #include "CbsUiConstants.h" |
|
27 |
|
28 |
|
29 |
|
30 // CONSTANTS |
|
31 const TInt KNumberOfObservers = 3; |
|
32 |
|
33 |
|
34 |
|
35 |
|
36 // ================= MEMBER FUNCTIONS ======================= |
|
37 |
|
38 // C++ default constructor can NOT contain any code, that |
|
39 // might leave. |
|
40 // |
|
41 CCbsUiTopicListMonitor::CCbsUiTopicListMonitor( MCbs& aServer ) |
|
42 : CActive(EPriorityStandard), iContinue(ETrue), iServer(aServer) |
|
43 { |
|
44 } |
|
45 |
|
46 // Symbian OS default constructor can leave |
|
47 void CCbsUiTopicListMonitor::ConstructL( ) |
|
48 { |
|
49 CActiveScheduler::Add(this); |
|
50 IssueRequest(); |
|
51 |
|
52 iObservers = new (ELeave) TCbsUiMonitorObservers(KNumberOfObservers); |
|
53 } |
|
54 |
|
55 |
|
56 // Two-phased constructor. |
|
57 CCbsUiTopicListMonitor* CCbsUiTopicListMonitor::NewL( MCbs& aServer ) |
|
58 { |
|
59 CCbsUiTopicListMonitor* self = |
|
60 new (ELeave) CCbsUiTopicListMonitor(aServer); |
|
61 |
|
62 CleanupStack::PushL( self ); |
|
63 self->ConstructL(); |
|
64 CleanupStack::Pop(); |
|
65 |
|
66 return self; |
|
67 } |
|
68 |
|
69 |
|
70 // Destructor |
|
71 CCbsUiTopicListMonitor::~CCbsUiTopicListMonitor() |
|
72 { |
|
73 delete iObservers; |
|
74 Cancel(); |
|
75 } |
|
76 |
|
77 // --------------------------------------------------------- |
|
78 // CCbsUiTopicListMonitor::IssueRequest() |
|
79 // |
|
80 // |
|
81 // --------------------------------------------------------- |
|
82 void CCbsUiTopicListMonitor::IssueRequest() |
|
83 { |
|
84 if ( iContinue ) |
|
85 { |
|
86 SetActive(); |
|
87 |
|
88 iServer.NotifyOnTopicListEvent( |
|
89 iStatus, ECbsTopicAllEvents, iEvent, iTopicNumber ); |
|
90 } |
|
91 } |
|
92 |
|
93 |
|
94 // --------------------------------------------------------- |
|
95 // CCbsUiTopicListMonitor::RunL |
|
96 // |
|
97 // |
|
98 // --------------------------------------------------------- |
|
99 void CCbsUiTopicListMonitor::RunL() |
|
100 |
|
101 { |
|
102 if ( iObservers->Count() > 0 ) |
|
103 { |
|
104 for ( TInt i(0); i < iObservers->Count(); i++ ) |
|
105 { |
|
106 iObservers->At(i)->TopicListChangedL(iEvent, iTopicNumber); |
|
107 } |
|
108 } |
|
109 |
|
110 __ASSERT_DEBUG( |
|
111 (iEvent & ECbsTopicAllEvents), CbsUiPanic(EErrInvalidEvent) ); |
|
112 |
|
113 if ( iContinue ) |
|
114 { |
|
115 IssueRequest(); |
|
116 } |
|
117 } |
|
118 |
|
119 |
|
120 // --------------------------------------------------------- |
|
121 // CCbsUiTopicListMonitor::DoCancel |
|
122 // |
|
123 // |
|
124 // --------------------------------------------------------- |
|
125 void CCbsUiTopicListMonitor::DoCancel() |
|
126 { |
|
127 iContinue = EFalse; |
|
128 |
|
129 iServer.NotifyOnTopicListEventCancel(); |
|
130 } |
|
131 |
|
132 // --------------------------------------------------------- |
|
133 // CCbsUiTopicListMonitor::AddObserverL |
|
134 // |
|
135 // |
|
136 // --------------------------------------------------------- |
|
137 void CCbsUiTopicListMonitor::AddObserverL( |
|
138 MCbsUiTopicMonitorObserver* aObserver ) |
|
139 { |
|
140 __ASSERT_DEBUG( iObservers, CbsUiPanic(EErrNullPointer) ); |
|
141 __ASSERT_DEBUG( aObserver, CbsUiPanic(EErrNullPointer) ); |
|
142 |
|
143 iObservers->AppendL(aObserver); |
|
144 } |
|
145 |
|
146 |
|
147 // End of File |