1 /* |
|
2 * Copyright (c) 2003 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 contains the header file of the CCbsMcnSession class which |
|
15 * responds to client MCN-related requests. |
|
16 * |
|
17 */ |
|
18 |
|
19 |
|
20 |
|
21 |
|
22 #ifndef CCBSMCNSESSION_H |
|
23 #define CCBSMCNSESSION_H |
|
24 |
|
25 // INCLUDES |
|
26 |
|
27 #include <e32base.h> |
|
28 #include "CCbsObject.h" |
|
29 #include "MCbsMcnSubscriptionsProvider.h" |
|
30 #include <cbsmcncommon.h> |
|
31 |
|
32 // FORWARD DECLARATIONS |
|
33 |
|
34 class CCbsDbImpSettings; |
|
35 class CCbsRecEtel; |
|
36 class CCbsReceiverHelper; |
|
37 class CCbsRecMessage; |
|
38 class CCbsSession; |
|
39 |
|
40 // CLASS DECLARATION |
|
41 |
|
42 /** |
|
43 * CCbsMcnSession is the server-side subsession object, which takes care |
|
44 * of client-side MCN requests. |
|
45 */ |
|
46 class CCbsMcnSession |
|
47 : public CCbsObject, public MCbsMcnSubscriptionsProvider |
|
48 { |
|
49 public: // New functions |
|
50 /** |
|
51 * Creates a new instance of the class. |
|
52 * |
|
53 * @param aSession Main session instance. |
|
54 * @param aReceiver Receiver instance. |
|
55 * @return New instance of CCbsMcnSession. |
|
56 */ |
|
57 static CCbsMcnSession* NewL( CCbsSession& aSession, |
|
58 CCbsRecEtel& aReceiver ); |
|
59 |
|
60 /** |
|
61 * Destructor. |
|
62 */ |
|
63 ~CCbsMcnSession(); |
|
64 |
|
65 public: // From CCbsObject |
|
66 /** |
|
67 * Handle the requests for the object. |
|
68 * |
|
69 * @param aMessage Message to be handled. |
|
70 * @return Indicates whether the message was |
|
71 * handled. |
|
72 */ |
|
73 TBool HandleRequestsL( const RMessage2& aMessage ); |
|
74 |
|
75 public: // From MCbsMcnSubscriptionsProvider |
|
76 /** |
|
77 * Returns the number of topic subscriptions of this MCN client. |
|
78 * |
|
79 * @return Number of subscribed CB topics |
|
80 */ |
|
81 TUint NumberOfSubscriptions() const; |
|
82 |
|
83 /** |
|
84 * If aMessage is of topic subscribed by the client, |
|
85 * aMessage is copied to client-side. |
|
86 * |
|
87 * @param aMessage CB message. |
|
88 */ |
|
89 void RouteMessageL( const CCbsMessage& aMessage ); |
|
90 |
|
91 private: |
|
92 /** |
|
93 * Constructor. |
|
94 * |
|
95 * @param aSession Main session object. |
|
96 * @param aReceiver Receiver instance. |
|
97 */ |
|
98 CCbsMcnSession( CCbsSession& aSession, CCbsRecEtel& aReceiver ); |
|
99 |
|
100 /** |
|
101 * Finalizes construction. |
|
102 */ |
|
103 void ConstructL(); |
|
104 |
|
105 /** |
|
106 * Close the subsession. |
|
107 */ |
|
108 void CloseMcnSession(); |
|
109 |
|
110 /** |
|
111 * Handles client request for message routing. |
|
112 */ |
|
113 void NotifyOnChange(); |
|
114 |
|
115 /** |
|
116 * Handles client request to cancel an outstanding |
|
117 * routing request. |
|
118 */ |
|
119 void NotifyOnChangeCancel(); |
|
120 |
|
121 /** |
|
122 * Handles client request to subscribe a topic. |
|
123 * |
|
124 * Note: ApplySubscriptionL has to be called in order to |
|
125 * apply receiver changes. |
|
126 */ |
|
127 void SubscribeTopicL(); |
|
128 |
|
129 /** |
|
130 * Called by RouteMessageL() to actually copy the message content |
|
131 * to client side. |
|
132 * |
|
133 * @param aMcnPckg Package containing the MCN message |
|
134 * and it's parameters. |
|
135 */ |
|
136 void NotifyClientL( const TPckg<TCbsMcnMessage>& aMcnPckg ); |
|
137 |
|
138 /** |
|
139 * Clears all topic subscriptions of this MCN session. |
|
140 * |
|
141 * Leaves only if CCbsRecEtel::ApplyStateChangesL() leaves. |
|
142 */ |
|
143 void ClearSubscriptionsL(); |
|
144 |
|
145 /** |
|
146 * Forces receiver to reload CB topic subscriptions. |
|
147 * |
|
148 * This function has to be called after MCN client has subscribed |
|
149 * topics with SubscribeTopicL(). |
|
150 */ |
|
151 void ApplySubscriptionsL(); |
|
152 |
|
153 private: // Prohibited operators and functions |
|
154 |
|
155 // Copy constructor |
|
156 CCbsMcnSession( const CCbsMcnSession& ); |
|
157 |
|
158 // Assignment operator |
|
159 CCbsMcnSession& operator=( const CCbsMcnSession& ); |
|
160 |
|
161 |
|
162 private: // Data |
|
163 |
|
164 /// Receiver object. |
|
165 CCbsRecEtel& iReceiver; |
|
166 |
|
167 /** |
|
168 * Indicates whether iMessage is a valid message; that is, there |
|
169 * is a pending notify request. |
|
170 */ |
|
171 TBool iIsMessage; |
|
172 |
|
173 /// Message for the pending notify request |
|
174 RMessage2 iMessage; |
|
175 |
|
176 /// Array of topic numbers subscribed by the client. |
|
177 CArrayFixFlat< TUint16 >* iSubscribedTopics; |
|
178 |
|
179 // MCN message |
|
180 TCbsMcnMessage iMcnMessage; |
|
181 |
|
182 // MCN message package for IPC |
|
183 TPckg<TCbsMcnMessage> iMcnPckg; |
|
184 |
|
185 }; |
|
186 |
|
187 #endif // CCBSMCNSESSION_H |
|
188 |
|
189 // End of File |
|
190 |
|
191 |
|