|
1 /* |
|
2 * Copyright (c) 2006 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 of EffectControlBaseImpl class. |
|
15 * |
|
16 */ |
|
17 |
|
18 #include <StreamControl.h> |
|
19 #include <MCustomCommand.h> |
|
20 #include <ControlObserver.h> |
|
21 #include <EffectControl.h> |
|
22 #include <VolumeControl.h> |
|
23 |
|
24 #include "CustomInterfaceBuilderTypes.h" |
|
25 #include "EffectControlBaseImpl.h" |
|
26 #include "EffectControlBase.h" |
|
27 |
|
28 const TUid KUidCIFBuilderParser = {0x10207B29}; |
|
29 |
|
30 using namespace multimedia; |
|
31 |
|
32 CEffectControlBaseImpl::CEffectControlBaseImpl( CEffectControlBase& aParent, TUid aCIUid ) |
|
33 : CActive(CActive::EPriorityStandard), |
|
34 iParent(aParent), |
|
35 iCIUid(aCIUid), |
|
36 iStreamControl(NULL), |
|
37 iCustomCommand(NULL), |
|
38 iEffect(NULL) |
|
39 { |
|
40 CActiveScheduler::Add(this); |
|
41 } |
|
42 |
|
43 CEffectControlBaseImpl::~CEffectControlBaseImpl() |
|
44 { |
|
45 Cancel(); |
|
46 // Signal MStreamControl if this effect class is deleted before |
|
47 // removing from it |
|
48 if ( iStreamControl ) |
|
49 { |
|
50 iStreamControl->RemoveEffect( *iEffect ); |
|
51 }; |
|
52 } |
|
53 |
|
54 CEffectControlBaseImpl* CEffectControlBaseImpl::NewL( CEffectControlBase& aParent, TUid aCIUid ) |
|
55 { |
|
56 CEffectControlBaseImpl* self = new (ELeave) CEffectControlBaseImpl( aParent, aCIUid ); |
|
57 CleanupStack::PushL( self ); |
|
58 self->ConstructL(); |
|
59 CleanupStack::Pop( self ); |
|
60 return self; |
|
61 } |
|
62 |
|
63 void CEffectControlBaseImpl::ConstructL() |
|
64 { |
|
65 // No impl yet |
|
66 } |
|
67 |
|
68 TInt CEffectControlBaseImpl::AddedToStreamControl( MStreamControl& aStreamControl, |
|
69 MCustomCommand& aCustomCommand, |
|
70 MEffectControl& aEffect ) |
|
71 { |
|
72 TInt status(KErrAlreadyExists); |
|
73 if ( !iStreamControl ) |
|
74 { |
|
75 iStreamControl = &aStreamControl; |
|
76 iCustomCommand = &aCustomCommand; |
|
77 iEffect = &aEffect; |
|
78 status = KErrNone; |
|
79 } |
|
80 |
|
81 // This is done here to get the MessageHandler if the Controller |
|
82 // is already loaded, otherwise we dont return an Error from Connect |
|
83 if(iMsgHndlrHandlePckg().InterfaceId() == KNullUid) |
|
84 { |
|
85 status = Connect(); |
|
86 if(status == KErrNone) |
|
87 { |
|
88 /* |
|
89 // This results in subclasses getting notification asynchronously. |
|
90 // In the mean time clients may already start setting attributes on |
|
91 // effect objects which will be lost if proxy is not created |
|
92 // In order to eliminate this possibility, notify synchronously |
|
93 CActive::Cancel(); |
|
94 CActive::SetActive(); |
|
95 TRequestStatus* status = &iStatus; |
|
96 User::RequestComplete( status, EControllerLoaded ); |
|
97 */ |
|
98 iParent.Event( CEffectControlBase::ECIBuilderCreated ); |
|
99 } |
|
100 else |
|
101 { |
|
102 // This Error is Overwritten because the Connect failed. |
|
103 // Its ok here since we are just checking if the controller |
|
104 // is loaded and the msghandler created. |
|
105 status = KErrNone; |
|
106 } |
|
107 } |
|
108 |
|
109 return status; |
|
110 } |
|
111 |
|
112 TInt CEffectControlBaseImpl::RemovedFromStreamControl( MStreamControl& /*aStreamControl*/ ) |
|
113 { |
|
114 Disconnect(); |
|
115 iStreamControl = NULL; |
|
116 iCustomCommand = NULL; |
|
117 iEffect = NULL; |
|
118 return KErrNone; |
|
119 } |
|
120 |
|
121 void CEffectControlBaseImpl::StreamControlDeleted( MStreamControl& /*aStreamControl*/ ) |
|
122 { |
|
123 iStreamControl = NULL; |
|
124 iCustomCommand = NULL; |
|
125 iMsgHndlrHandlePckg().InterfaceId() = KNullUid; |
|
126 } |
|
127 |
|
128 TBool CEffectControlBaseImpl::IsConnected() |
|
129 { |
|
130 if ( iMsgHndlrHandlePckg().InterfaceId() != KNullUid ) |
|
131 { |
|
132 return ETrue; |
|
133 } |
|
134 else |
|
135 { |
|
136 return EFalse; |
|
137 } |
|
138 } |
|
139 |
|
140 TInt CEffectControlBaseImpl::Connect() |
|
141 { |
|
142 TInt status(KErrNone); |
|
143 |
|
144 // Since the Volume Effect does not have Proxy |
|
145 // and message handler we return here only |
|
146 if(iEffect->Type() == KVolumeEffectControl) |
|
147 { |
|
148 return KErrNone; |
|
149 } |
|
150 |
|
151 if(!iCustomCommand) |
|
152 { |
|
153 return KErrNotReady; |
|
154 } |
|
155 |
|
156 TMMFMessageDestination destination(KUidCustomInterfaceBuilder); |
|
157 TMMFMessageDestinationPckg destinationPckg(destination); |
|
158 |
|
159 if ( iMsgHndlrHandlePckg().InterfaceId() == KNullUid ) |
|
160 { |
|
161 |
|
162 status = iCustomCommand->CustomCommandSync(destinationPckg, ECibGetBuilder, KNullDesC8, KNullDesC8, iBuilderHandle); |
|
163 |
|
164 if(iBuilderHandle().InterfaceId() == KNullUid || status != KErrNone) |
|
165 { |
|
166 return status; |
|
167 } |
|
168 |
|
169 // Get handle to message handler from CI Bldr parser |
|
170 status = BuilderParserMessage(ECIFCreateMessageHandler); |
|
171 if( iMsgHndlrHandlePckg().InterfaceId() == KNullUid ) |
|
172 { |
|
173 status = KErrNotSupported; |
|
174 } |
|
175 } |
|
176 |
|
177 return status; |
|
178 } |
|
179 |
|
180 TInt CEffectControlBaseImpl::Disconnect() |
|
181 { |
|
182 TInt status(KErrNotReady); |
|
183 if ( ( iMsgHndlrHandlePckg().InterfaceId() != KNullUid ) && (iCustomCommand) ) |
|
184 { |
|
185 // Get handle to message handler from CI Bldr parser |
|
186 status = BuilderParserMessage(ECIFRemoveMessageHandler); |
|
187 // This is done here since the Interface ID is not set to NULL when |
|
188 // we set it using KNullUid. |
|
189 TMMFMessageDestination temp; |
|
190 iMsgHndlrHandlePckg() = temp; |
|
191 } |
|
192 return status; |
|
193 } |
|
194 |
|
195 TInt CEffectControlBaseImpl::CustomCommandSync(TInt aFunction, |
|
196 const TDesC8& aDataTo1, |
|
197 const TDesC8& aDataTo2, |
|
198 TDes8& aDataFrom) |
|
199 { |
|
200 return CustomCommandSync( iMsgHndlrHandlePckg, |
|
201 aFunction, |
|
202 aDataTo1, |
|
203 aDataTo2, |
|
204 aDataFrom ); |
|
205 } |
|
206 |
|
207 TInt CEffectControlBaseImpl::CustomCommandSync(TInt aFunction, |
|
208 const TDesC8& aDataTo1, |
|
209 const TDesC8& aDataTo2) |
|
210 { |
|
211 return CustomCommandSync( iMsgHndlrHandlePckg, |
|
212 aFunction, |
|
213 aDataTo1, |
|
214 aDataTo2 ); |
|
215 } |
|
216 |
|
217 void CEffectControlBaseImpl::CustomCommandAsync(TInt aFunction, |
|
218 const TDesC8& aDataTo1, |
|
219 const TDesC8& aDataTo2, |
|
220 TDes8& aDataFrom, |
|
221 TRequestStatus& aStatus) |
|
222 { |
|
223 CustomCommandAsync( iMsgHndlrHandlePckg, |
|
224 aFunction, |
|
225 aDataTo1, |
|
226 aDataTo2, |
|
227 aDataFrom, |
|
228 aStatus ); |
|
229 } |
|
230 |
|
231 void CEffectControlBaseImpl::CustomCommandAsync(TInt aFunction, |
|
232 const TDesC8& aDataTo1, |
|
233 const TDesC8& aDataTo2, |
|
234 TRequestStatus& aStatus) |
|
235 { |
|
236 CustomCommandAsync( iMsgHndlrHandlePckg, |
|
237 aFunction, |
|
238 aDataTo1, |
|
239 aDataTo2, |
|
240 aStatus ); |
|
241 } |
|
242 |
|
243 TInt CEffectControlBaseImpl::CustomCommandSync( const TMMFMessageDestinationPckg& aDestination, |
|
244 TInt aFunction, |
|
245 const TDesC8& aDataTo1, |
|
246 const TDesC8& aDataTo2, |
|
247 TDes8& aDataFrom ) |
|
248 { |
|
249 TInt status(KErrNotReady); |
|
250 if ( ( iCustomCommand ) && ( aDestination().InterfaceId() != KNullUid ) ) |
|
251 { |
|
252 status = iCustomCommand->CustomCommandSync( aDestination, |
|
253 aFunction, |
|
254 aDataTo1, |
|
255 aDataTo2, |
|
256 aDataFrom ); |
|
257 } |
|
258 return status; |
|
259 } |
|
260 |
|
261 TInt CEffectControlBaseImpl::CustomCommandSync( const TMMFMessageDestinationPckg& aDestination, |
|
262 TInt aFunction, |
|
263 const TDesC8& aDataTo1, |
|
264 const TDesC8& aDataTo2 ) |
|
265 { |
|
266 TInt status(KErrNotReady); |
|
267 if ( ( iCustomCommand ) && ( aDestination().InterfaceId() != KNullUid ) ) |
|
268 { |
|
269 status = iCustomCommand->CustomCommandSync( aDestination, |
|
270 aFunction, |
|
271 aDataTo1, |
|
272 aDataTo2 ); |
|
273 } |
|
274 return status; |
|
275 } |
|
276 |
|
277 void CEffectControlBaseImpl::CustomCommandAsync( const TMMFMessageDestinationPckg& aDestination, |
|
278 TInt aFunction, |
|
279 const TDesC8& aDataTo1, |
|
280 const TDesC8& aDataTo2, |
|
281 TDes8& aDataFrom, |
|
282 TRequestStatus& aStatus ) |
|
283 { |
|
284 if ( ( iCustomCommand ) && ( aDestination().InterfaceId() != KNullUid ) ) |
|
285 { |
|
286 iCustomCommand->CustomCommandAsync( aDestination, |
|
287 aFunction, |
|
288 aDataTo1, |
|
289 aDataTo2, |
|
290 aDataFrom, |
|
291 aStatus ); |
|
292 } |
|
293 else |
|
294 { |
|
295 TRequestStatus* status = &aStatus; |
|
296 User::RequestComplete(status, KErrNotReady); |
|
297 } |
|
298 } |
|
299 |
|
300 void CEffectControlBaseImpl::CustomCommandAsync( const TMMFMessageDestinationPckg& aDestination, |
|
301 TInt aFunction, |
|
302 const TDesC8& aDataTo1, |
|
303 const TDesC8& aDataTo2, |
|
304 TRequestStatus& aStatus ) |
|
305 |
|
306 { |
|
307 if ( ( iCustomCommand ) && ( aDestination().InterfaceId() != KNullUid ) ) |
|
308 { |
|
309 iCustomCommand->CustomCommandAsync( aDestination, |
|
310 aFunction, |
|
311 aDataTo1, |
|
312 aDataTo2, |
|
313 aStatus ); |
|
314 } |
|
315 else |
|
316 { |
|
317 TRequestStatus* status = &aStatus; |
|
318 User::RequestComplete(status, KErrNotReady); |
|
319 } |
|
320 } |
|
321 |
|
322 TInt CEffectControlBaseImpl::GetMessageHandle(TMMFMessageDestinationPckg &aPckg) |
|
323 { |
|
324 TInt status(KErrNone); |
|
325 aPckg = iMsgHndlrHandlePckg; |
|
326 return status; |
|
327 } |
|
328 |
|
329 MCustomCommand* CEffectControlBaseImpl::GetCustomCommand() |
|
330 { |
|
331 return iCustomCommand; |
|
332 } |
|
333 |
|
334 void CEffectControlBaseImpl::RunL() |
|
335 { |
|
336 TInt status(KErrNone); |
|
337 if ( iStatus.Int() == EControllerLoaded ) |
|
338 { |
|
339 status = Connect(); |
|
340 if(status == KErrNone) |
|
341 { |
|
342 iParent.Event( CEffectControlBase::ECIBuilderCreated ); |
|
343 } |
|
344 } |
|
345 else if ( iStatus.Int() == EControllerUnloaded ) |
|
346 { |
|
347 status = Disconnect(); |
|
348 if(status == KErrNone) |
|
349 { |
|
350 iParent.Event( CEffectControlBase::EMessageHandlerDeleted ); |
|
351 } |
|
352 } |
|
353 } |
|
354 |
|
355 void CEffectControlBaseImpl::DoCancel() |
|
356 { |
|
357 // Do Nothing |
|
358 } |
|
359 |
|
360 TInt CEffectControlBaseImpl::RunError( TInt /*aError*/ ) |
|
361 { |
|
362 // RunL should never leave, if it did that means |
|
363 // the code left during event handling |
|
364 return KErrNone; |
|
365 } |
|
366 |
|
367 void CEffectControlBaseImpl::Event( MControl* /*aControl*/, TUint aEventType, TAny* /*aEventObject*/ ) |
|
368 { |
|
369 if ( aEventType == EControllerLoaded ) |
|
370 { |
|
371 CActive::Cancel(); |
|
372 CActive::SetActive(); |
|
373 TRequestStatus* status = &iStatus; |
|
374 User::RequestComplete( status, EControllerLoaded ); |
|
375 } |
|
376 else if ( aEventType == EControllerUnloaded ) |
|
377 { |
|
378 CActive::Cancel(); |
|
379 CActive::SetActive(); |
|
380 TRequestStatus* status = &iStatus; |
|
381 User::RequestComplete( status, EControllerUnloaded ); |
|
382 } |
|
383 } |
|
384 |
|
385 TInt CEffectControlBaseImpl::BuilderParserMessage(CIFBuilderParserFunctions aCommand) |
|
386 { |
|
387 TInt status(KErrNotReady); |
|
388 if ( iCustomCommand ) |
|
389 { |
|
390 TMMFMessageDestination ciBldr(KUidCIFBuilderParser); |
|
391 TMMFMessageDestinationPckg ciBldrPckg(ciBldr); |
|
392 TPckgBuf<TUid> uidPckg; |
|
393 uidPckg() = iCIUid; |
|
394 switch (aCommand) |
|
395 { |
|
396 case ECIFCreateMessageHandler: |
|
397 status = iCustomCommand->CustomCommandSync( iBuilderHandle, |
|
398 ECibBuild, |
|
399 uidPckg, |
|
400 KNullDesC8, |
|
401 iMsgHndlrHandlePckg); |
|
402 break; |
|
403 case ECIFRemoveMessageHandler: |
|
404 status = iCustomCommand->CustomCommandSync( iBuilderHandle, |
|
405 ECibRemove, |
|
406 iMsgHndlrHandlePckg, |
|
407 KNullDesC8); |
|
408 break; |
|
409 default: |
|
410 status = KErrUnknown; |
|
411 break; |
|
412 }; |
|
413 } |
|
414 return status; |
|
415 } |
|
416 |
|
417 |
|
418 // End of file |