|
1 /* |
|
2 * Copyright (c) 2007-2008 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: Implementation for the VCC Calling state |
|
15 * |
|
16 */ |
|
17 |
|
18 #include "tvccstatecalling.h" |
|
19 #include "cvccperformer.h" |
|
20 #include "rubydebug.h" |
|
21 |
|
22 |
|
23 // ----------------------------------------------------------------------------- |
|
24 // c'tor |
|
25 // ----------------------------------------------------------------------------- |
|
26 // |
|
27 TVccStateCalling::TVccStateCalling() |
|
28 { |
|
29 RUBY_DEBUG_BLOCK( "TVccStateCalling::TVccStateCalling" ); |
|
30 } |
|
31 |
|
32 // ----------------------------------------------------------------------------- |
|
33 // Name |
|
34 // ----------------------------------------------------------------------------- |
|
35 // |
|
36 TUint TVccStateCalling::Name() const |
|
37 { |
|
38 RUBY_DEBUG_BLOCK( "TVccStateCalling::Name" ); |
|
39 return KVccStateCalling; |
|
40 } |
|
41 |
|
42 // ----------------------------------------------------------------------------- |
|
43 // LinkState |
|
44 // ----------------------------------------------------------------------------- |
|
45 // |
|
46 void TVccStateCalling::LinkState(TVccState& aReleasing, |
|
47 TVccState& aInit, |
|
48 TVccState& aFailing ) |
|
49 { |
|
50 RUBY_DEBUG_BLOCK( "TVccStateCalling::LinkState" ); |
|
51 iReleasing = &aReleasing; |
|
52 iInit = &aInit; |
|
53 iFailing = &aFailing; |
|
54 } |
|
55 |
|
56 // ----------------------------------------------------------------------------- |
|
57 // HangUp |
|
58 // ----------------------------------------------------------------------------- |
|
59 // |
|
60 TInt TVccStateCalling::HangUp(CVccPerformer& aContext, MCCPCall& aCall) |
|
61 { |
|
62 RUBY_DEBUG_BLOCK( "TVccStateCalling::HangUp" ); |
|
63 |
|
64 TInt err = KErrNotFound; |
|
65 |
|
66 __ASSERT_DEBUG(&aCall == aContext.PrimaryCall(), User::Invariant()); |
|
67 |
|
68 //must release old leg and put old observer back aCall is the |
|
69 // same as returned in the iContext.PrimaryCall() |
|
70 aCall.RemoveObserver(aContext); |
|
71 |
|
72 //add new observer because the original call will be released and events |
|
73 //must be suppressed and performer does not have to be on the path for this |
|
74 //call anymore. |
|
75 TRAP_IGNORE(aCall.AddObserverL(*aContext.CallObserver())); |
|
76 |
|
77 //now hangup old leg and forget about it - CCE will take of it. |
|
78 //The performer will not be aware of the old leg release events. |
|
79 err = aCall.HangUp(); |
|
80 |
|
81 //must release new call leg as well and suppress the events |
|
82 //new leg idle event should come in the releasing-state and |
|
83 //it will be suppressed. |
|
84 __ASSERT_DEBUG(aContext.SecondaryCall() != NULL, User::Invariant()); |
|
85 aContext.SecondaryCall()->HangUp(); |
|
86 |
|
87 //signal the performer for the "idle call", so it can stop the trigger |
|
88 //move to the releasing state |
|
89 aContext.SetState(*iReleasing); |
|
90 |
|
91 //stop trigger since call becomes not active |
|
92 aContext.ActivateTrigger( EFalse ); |
|
93 |
|
94 //notify UI about hangup, hangup rejects HO but it is not failure |
|
95 //no need to show the "ho failed note" |
|
96 TRAP_IGNORE( aContext.Notifier().NotifySubscriberL(EVccCsToPsHoSuccessful, KErrNone) ); |
|
97 |
|
98 return err; |
|
99 |
|
100 } |
|
101 |
|
102 // ----------------------------------------------------------------------------- |
|
103 // CallStateChanged |
|
104 // ----------------------------------------------------------------------------- |
|
105 // |
|
106 void TVccStateCalling::CallStateChanged( CVccPerformer& aContext, |
|
107 const MCCPCallObserver::TCCPCallState aState, |
|
108 MCCPCall* aCall ) |
|
109 { |
|
110 RUBY_DEBUG_BLOCK( "TVccStateCalling::CallStateChanged" ); |
|
111 |
|
112 __ASSERT_DEBUG( aContext.SecondaryCall() != NULL, User::Invariant()); |
|
113 __ASSERT_DEBUG( aContext.PrimaryCall() != NULL, User::Invariant() ); |
|
114 |
|
115 if ( aState == MCCPCallObserver::ECCPStateConnected && |
|
116 aContext.SecondaryCall() == aCall) |
|
117 { |
|
118 RUBY_DEBUG0( "TVccStateCalling::CallStateChanged - swap the calls" ); |
|
119 |
|
120 aContext.SetCall(aContext.SecondaryCall()); |
|
121 TRAP_IGNORE( aContext.Notifier().NotifySubscriberL( EVccCsToPsHoInprogress, |
|
122 KErrNone ) ); |
|
123 |
|
124 //-> Set Next State - if the call is idle just destroy call object and |
|
125 //go to init-state |
|
126 __ASSERT_DEBUG( aContext.SecondaryCall() != NULL, |
|
127 User::Invariant()); |
|
128 |
|
129 if ( aContext.SecondaryCall()->State() == |
|
130 MCCPCallObserver::ECCPStateIdle) |
|
131 { |
|
132 RUBY_DEBUG0( "TVccStateCalling::CallStateChanged -\ |
|
133 release the old leg" ); |
|
134 |
|
135 //delete the actuall call object and move to Init-state |
|
136 ReleaseCall( aContext, *aContext.SecondaryCall(), *iInit, |
|
137 KVccHoOk ); |
|
138 } |
|
139 else |
|
140 { |
|
141 RUBY_DEBUG0( "TVccStateCalling::CallStateChanged -\ |
|
142 set state to iReleasing" ); |
|
143 |
|
144 //must wait for old leg to be released |
|
145 aContext.SetState( *iReleasing ); |
|
146 } |
|
147 } |
|
148 else |
|
149 { |
|
150 InspectChangedStates( aContext, |
|
151 aState, |
|
152 aCall, |
|
153 aContext.CallObserver(), |
|
154 &MCCPCallObserver::CallStateChanged ); |
|
155 } |
|
156 } |
|
157 // ----------------------------------------------------------------------------- |
|
158 // CallStateChangedWithInband |
|
159 // ----------------------------------------------------------------------------- |
|
160 // |
|
161 void TVccStateCalling::CallStateChangedWithInband( CVccPerformer& aContext, |
|
162 const MCCPCallObserver::TCCPCallState aState, |
|
163 MCCPCall* aCall ) |
|
164 { |
|
165 RUBY_DEBUG_BLOCK( "TVccStateCalling::CallStateChangedWithInband" ); |
|
166 __ASSERT_DEBUG( aContext.SecondaryCall() != NULL, User::Invariant() ); |
|
167 __ASSERT_DEBUG( aContext.PrimaryCall() != NULL, User::Invariant() ); |
|
168 InspectChangedStates(aContext, |
|
169 aState, |
|
170 aCall, |
|
171 aContext.CallObserver(), |
|
172 &MCCPCallObserver::CallStateChangedWithInband); |
|
173 |
|
174 } |
|
175 |
|
176 // ----------------------------------------------------------------------------- |
|
177 // From MCCPCallObserver |
|
178 // ----------------------------------------------------------------------------- |
|
179 // |
|
180 void TVccStateCalling::ErrorOccurred( CVccPerformer& aContext, |
|
181 const TCCPError aError, |
|
182 MCCPCall* aCall ) |
|
183 { |
|
184 RUBY_DEBUG_BLOCK( "TVccStateCalling::ErrorOccurred" ); |
|
185 RUBY_DEBUG1( "TVccStateCalling::ErrorOccurred - error: %d", aError ); |
|
186 |
|
187 __ASSERT_DEBUG( aContext.CallObserver()!=NULL, User::Invariant() ); |
|
188 __ASSERT_DEBUG(aContext.PrimaryCall()!=NULL, User::Invariant()); |
|
189 __ASSERT_DEBUG(aCall != NULL, User::Invariant()); |
|
190 |
|
191 if ( aCall == aContext.SecondaryCall() && |
|
192 aContext.PrimaryCall()->State() == |
|
193 MCCPCallObserver::ECCPStateConnected ) |
|
194 { |
|
195 RUBY_DEBUG0( "TVccStateCalling::ErrorOccurred - set state to iFailing" ); |
|
196 |
|
197 aContext.SetState( *iFailing ); |
|
198 } |
|
199 else if( aCall == aContext.SecondaryCall() && |
|
200 aContext.PrimaryCall()->State() != |
|
201 MCCPCallObserver::ECCPStateConnected ) |
|
202 { |
|
203 // RUBY_DEBUG0( "TVccStateCalling::ErrorOccurred - forward the error to CCE" ); |
|
204 //aContext.CallObserver()->ErrorOccurred( aError, |
|
205 // aContext.PrimaryCall() ); |
|
206 } |
|
207 |
|
208 //Update PS key to notify handover failure |
|
209 TRAP_IGNORE( aContext.Notifier().NotifySubscriberL( EVccCsToPsHoFailure, |
|
210 aError ) ); |
|
211 |
|
212 } |
|
213 |
|
214 // ----------------------------------------------------------------------------- |
|
215 // From MCCPCallObserver |
|
216 // ----------------------------------------------------------------------------- |
|
217 // |
|
218 void TVccStateCalling::CallEventOccurred(CVccPerformer& aContext, |
|
219 const MCCPCallObserver::TCCPCallEvent aEvent, |
|
220 MCCPCall* aCall ) |
|
221 { |
|
222 RUBY_DEBUG_BLOCK( "TVccStateCalling::CallEventOccurred" ); |
|
223 |
|
224 __ASSERT_DEBUG(aContext.CallObserver()!=NULL, User::Invariant()); |
|
225 __ASSERT_DEBUG(aCall != NULL, User::Invariant()); |
|
226 |
|
227 //in successful HO case ECCPRemoteTerminated is also received when server |
|
228 //disconnects the original leg |
|
229 if ( aEvent == MCCPCallObserver::ECCPRemoteTerminated && |
|
230 aCall == aContext.SecondaryCall() && |
|
231 aContext.PrimaryCall()->State() != MCCPCallObserver::ECCPStateConnected ) |
|
232 { |
|
233 RUBY_DEBUG1( "TVccStateCalling::CallEventOccurred -\ |
|
234 forward the call event to CCE: %d", aEvent ); |
|
235 |
|
236 aContext.CallObserver()->CallEventOccurred( aEvent, |
|
237 aContext.PrimaryCall()); |
|
238 |
|
239 } |
|
240 else if( aEvent == MCCPCallObserver::ECCPRemoteTerminated && |
|
241 aCall == aContext.SecondaryCall() && |
|
242 aContext.PrimaryCall()->State() == MCCPCallObserver::ECCPStateConnected ) |
|
243 { |
|
244 RUBY_DEBUG0( "TVccStateCalling::CallEventOccurred - set state to iFailing" ); |
|
245 |
|
246 aContext.SetState( *iFailing ); |
|
247 } |
|
248 //if remote end holds the call HO is not allowed at this end either |
|
249 else if( aEvent == MCCPCallObserver::ECCPRemoteHold ) |
|
250 { |
|
251 //Trigger is informed that automatic HO is not allowed. |
|
252 aContext.ActivateTrigger( EFalse ); |
|
253 //for manual HO PS key needs to be updated |
|
254 aContext.AllowHo( EFalse ); |
|
255 aContext.CallObserver()->CallEventOccurred( aEvent, |
|
256 aContext.PrimaryCall()); |
|
257 } |
|
258 else if( aEvent == MCCPCallObserver::ECCPRemoteResume ) |
|
259 { |
|
260 //HO is allowed again |
|
261 aContext.ActivateTrigger( ETrue ); |
|
262 //for manual HO PS key needs to be updated |
|
263 aContext.AllowHo( ETrue ); |
|
264 aContext.CallObserver()->CallEventOccurred( aEvent, |
|
265 aContext.PrimaryCall()); |
|
266 } |
|
267 } |
|
268 |
|
269 |
|
270 // ----------------------------------------------------------------------------- |
|
271 // InspectChangedStates |
|
272 // ----------------------------------------------------------------------------- |
|
273 // |
|
274 void TVccStateCalling::InspectChangedStates (CVccPerformer& aContext, |
|
275 const MCCPCallObserver::TCCPCallState aState, |
|
276 MCCPCall* aCall, |
|
277 MCCPCallObserver* aCallee, |
|
278 void (MCCPCallObserver::*aCallback) |
|
279 (const MCCPCallObserver::TCCPCallState, MCCPCall*)) |
|
280 |
|
281 |
|
282 { |
|
283 //Remote party has disconnected the call - the events might arrive |
|
284 //to the new leg first. The event must be issued on the old leg as |
|
285 //all previous events are suppressed. |
|
286 // |
|
287 if( (aState == MCCPCallObserver::ECCPStateDisconnecting || |
|
288 aState == MCCPCallObserver::ECCPStateIdle) && |
|
289 aCall == aContext.SecondaryCall() && |
|
290 aContext.PrimaryCall()->State() != MCCPCallObserver::ECCPStateIdle && |
|
291 aContext.PrimaryCall()->State() != MCCPCallObserver::ECCPStateConnected ) |
|
292 { |
|
293 RUBY_DEBUG1( "TVccStateCalling::InspectChangedStates -\ |
|
294 forward the events on the old leg, suppress from new one: %d", aState ); |
|
295 //remove progress bar from UI |
|
296 TRAP_IGNORE( aContext.Notifier().NotifySubscriberL( EVccCsToPsHoFailure, KErrGeneral ) ); |
|
297 (aCallee->*aCallback)( aState, aContext.PrimaryCall()); |
|
298 } |
|
299 //old leg is released in remote disconnect or other abnormal case, this should never |
|
300 //happen in the successfull HO case. |
|
301 |
|
302 else if( aState == MCCPCallObserver::ECCPStateIdle && |
|
303 aCall == aContext.PrimaryCall() ) |
|
304 { |
|
305 RUBY_DEBUG1( "TVccStateCalling::InspectChangedStates - shouldnt happen in normal HO case,\ |
|
306 MT disconnected the call, or some other abnormal case: %d", aState ); |
|
307 |
|
308 //remove progress bar from UI |
|
309 TRAP_IGNORE( aContext.Notifier().NotifySubscriberL( EVccCsToPsHoFailure, KErrGeneral ) ); |
|
310 (aCallee->*aCallback)( aState, aContext.PrimaryCall() ); |
|
311 aContext.SetState( *iInit ); |
|
312 } |
|
313 } |