|
1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
|
2 // All rights reserved. |
|
3 // This component and the accompanying materials are made available |
|
4 // under the terms of "Eclipse Public License v1.0" |
|
5 // which accompanies this distribution, and is available |
|
6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
7 // |
|
8 // Initial Contributors: |
|
9 // Nokia Corporation - initial contribution. |
|
10 // |
|
11 // Contributors: |
|
12 // |
|
13 // Description: |
|
14 // |
|
15 |
|
16 |
|
17 |
|
18 |
|
19 // INCLUDE FILES |
|
20 #include "HWRMtrace.h" |
|
21 #include "HWRMPSChangeObserver.h" |
|
22 |
|
23 // ============================ MEMBER FUNCTIONS =============================== |
|
24 |
|
25 // ----------------------------------------------------------------------------- |
|
26 // CHWRMPSChangeObserver::CHWRMPSChangeObserver |
|
27 // C++ constructor can NOT contain any code, that |
|
28 // might leave. |
|
29 // ----------------------------------------------------------------------------- |
|
30 // |
|
31 CHWRMPSChangeObserver::CHWRMPSChangeObserver(MHWRMPSChangeObserver& aCallback, |
|
32 const TUid& aUid, |
|
33 TUint32 aKey) |
|
34 : CActive(EPriorityStandard), |
|
35 iCallback(aCallback), |
|
36 iUid(aUid), |
|
37 iKey(aKey) |
|
38 { |
|
39 COMPONENT_TRACE2(_L( "HWRM Server - CHWRMPSChangeObserver::CHWRMPSChangeObserver(0x%x)" ), &aCallback); |
|
40 |
|
41 CActiveScheduler::Add(this); |
|
42 |
|
43 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMPSChangeObserver::CHWRMPSChangeObserver - return" ) ); |
|
44 } |
|
45 |
|
46 // ----------------------------------------------------------------------------- |
|
47 // CHWRMPSChangeObserver::NewL |
|
48 // Two-phased constructor |
|
49 // ----------------------------------------------------------------------------- |
|
50 // |
|
51 CHWRMPSChangeObserver* CHWRMPSChangeObserver::NewL(MHWRMPSChangeObserver& aCallback, |
|
52 const TUid& aUid, |
|
53 TUint32 aKey) |
|
54 { |
|
55 |
|
56 CHWRMPSChangeObserver* newInstance = NewLC(aCallback, aUid, aKey); |
|
57 CleanupStack::Pop(); |
|
58 |
|
59 return newInstance; |
|
60 } |
|
61 |
|
62 |
|
63 // ----------------------------------------------------------------------------- |
|
64 // CHWRMPSChangeObserver::NewLC |
|
65 // Two-phased constructor. Leaves instance to cleanup stack |
|
66 // ----------------------------------------------------------------------------- |
|
67 // |
|
68 CHWRMPSChangeObserver* CHWRMPSChangeObserver::NewLC(MHWRMPSChangeObserver& aCallback, |
|
69 const TUid& aUid, |
|
70 TUint32 aKey) |
|
71 { |
|
72 COMPONENT_TRACE2(_L( "HWRM Server - CHWRMPSChangeObserver::NewLC(0x%x)" ), &aCallback); |
|
73 |
|
74 CHWRMPSChangeObserver* newInstance = new (ELeave) CHWRMPSChangeObserver(aCallback, aUid, aKey); |
|
75 CleanupStack::PushL( newInstance ); |
|
76 |
|
77 newInstance->ConstructL(); |
|
78 |
|
79 COMPONENT_TRACE2(_L( "HWRM Server - CHWRMPSChangeObserver::NewLC - return 0x%x" ), newInstance ); |
|
80 |
|
81 return newInstance; |
|
82 } |
|
83 |
|
84 |
|
85 // ----------------------------------------------------------------------------- |
|
86 // Destructor |
|
87 // ----------------------------------------------------------------------------- |
|
88 // |
|
89 CHWRMPSChangeObserver::~CHWRMPSChangeObserver() |
|
90 { |
|
91 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMPSChangeObserver::~CHWRMPSChangeObserver()" )); |
|
92 |
|
93 // Cancel property separately, as the following Cancel() call doesn't seem to |
|
94 // cause DoCancel to fire. |
|
95 iProperty.Cancel(); |
|
96 |
|
97 Cancel(); |
|
98 |
|
99 iProperty.Close(); |
|
100 |
|
101 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMPSChangeObserver::~CHWRMPSChangeObserver - return" ) ); |
|
102 } |
|
103 |
|
104 // ----------------------------------------------------------------------------- |
|
105 // CHWRMPSChangeObserver::ConstructL |
|
106 // Symbian 2nd phase constructor can leave. |
|
107 // ----------------------------------------------------------------------------- |
|
108 // |
|
109 void CHWRMPSChangeObserver::ConstructL() |
|
110 { |
|
111 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMPSChangeObserver::ConstructL()" )); |
|
112 |
|
113 User::LeaveIfError(iProperty.Attach(iUid, iKey)); |
|
114 |
|
115 // Call RunL to order notification and do the initial notifying of the client |
|
116 RunL(); |
|
117 |
|
118 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMPSChangeObserver::ConstructL - return" ) ); |
|
119 } |
|
120 |
|
121 // ----------------------------------------------------------------------------- |
|
122 // CHWRMPSChangeObserver::RunL |
|
123 // Handle notification from pubsub session. |
|
124 // ----------------------------------------------------------------------------- |
|
125 // |
|
126 void CHWRMPSChangeObserver::RunL() |
|
127 { |
|
128 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMPSChangeObserver::RunL()" )); |
|
129 |
|
130 // Reorder notification |
|
131 OrderNotification(); |
|
132 |
|
133 // get value from pubsub |
|
134 TInt value(0); |
|
135 |
|
136 TInt err = iProperty.Get(value); |
|
137 |
|
138 // if no error or not found then no problem. |
|
139 // Otherwise leave as something went wrong |
|
140 if ( err == KErrNotFound || err == KErrNone ) |
|
141 { |
|
142 iCallback.PSValueChanged(iUid, iKey, value); |
|
143 } |
|
144 else |
|
145 { |
|
146 COMPONENT_TRACE2( _L( "HWRM Server - CHWRMPSChangeObserver::RunL(), err %d" ), err); |
|
147 User::Leave(err); |
|
148 } |
|
149 |
|
150 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMPSChangeObserver::RunL - return" ) ); |
|
151 } |
|
152 |
|
153 // ----------------------------------------------------------------------------- |
|
154 // CHWRMPSChangeObserver::RunError |
|
155 // Handle error in RunL |
|
156 // ----------------------------------------------------------------------------- |
|
157 // |
|
158 #if defined(_DEBUG) && defined(COMPONENT_TRACE_FLAG) |
|
159 TInt CHWRMPSChangeObserver::RunError(TInt aError) |
|
160 #else |
|
161 TInt CHWRMPSChangeObserver::RunError(TInt /*aError*/) |
|
162 #endif |
|
163 { |
|
164 COMPONENT_TRACE2(_L( "HWRM Server - CHWRMPSChangeObserver::RunError(%d)" ), aError); |
|
165 |
|
166 // Error occurred either while reordering notification or getting property value. |
|
167 // We can't really do anything about it, so ignore. |
|
168 // (possible errors are KErrPermissionDenied and KErrArgument, which indicate fundamental |
|
169 // problem with property, and will be caught on the first RunL execution by ConstructL) |
|
170 |
|
171 COMPONENT_TRACE2(_L( "HWRM Server - CHWRMPSChangeObserver::RunError - return %d" ), KErrNone ); |
|
172 |
|
173 return KErrNone; |
|
174 } |
|
175 |
|
176 // ----------------------------------------------------------------------------- |
|
177 // CHWRMPSChangeObserver::DoCancel |
|
178 // Handle cancel order on this active object. |
|
179 // ----------------------------------------------------------------------------- |
|
180 // |
|
181 void CHWRMPSChangeObserver::DoCancel() |
|
182 { |
|
183 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMPSChangeObserver::DoCancel()" )); |
|
184 |
|
185 iProperty.Cancel(); |
|
186 |
|
187 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMPSChangeObserver::DoCancel - return" ) ); |
|
188 } |
|
189 |
|
190 // ----------------------------------------------------------------------------- |
|
191 // CHWRMPSChangeObserver::OrderNotification |
|
192 // Order new notification from CenRep. |
|
193 // ----------------------------------------------------------------------------- |
|
194 // |
|
195 void CHWRMPSChangeObserver::OrderNotification() |
|
196 { |
|
197 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMPSChangeObserver::OrderNotification()" )); |
|
198 |
|
199 if (IsActive()) |
|
200 { |
|
201 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMPSChangeObserver::OrderNotification - returning early as already active" ) ); |
|
202 return; |
|
203 } |
|
204 |
|
205 iProperty.Subscribe(iStatus); |
|
206 SetActive(); |
|
207 |
|
208 COMPONENT_TRACE1(_L( "HWRM Server - CHWRMPSChangeObserver::OrderNotification - return" ) ); |
|
209 } |
|
210 |
|
211 |
|
212 |
|
213 // End of File |