|
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: Project file for EnhancedMediaClient Utility |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #include "SourceLocationEffectImpl.h" |
|
20 #include <SourceLocationBase.h> |
|
21 #include <ControlObserver.h> |
|
22 |
|
23 using namespace multimedia; |
|
24 |
|
25 CSourceLocationEffect::CSourceLocationEffect() |
|
26 { |
|
27 // No Impl |
|
28 } |
|
29 |
|
30 CSourceLocationEffect::~CSourceLocationEffect() |
|
31 { |
|
32 delete iPrevSourceLocationProxy; |
|
33 delete iSourceLocationProxy; |
|
34 iObservers.Close(); |
|
35 } |
|
36 |
|
37 TInt CSourceLocationEffect::PostConstructor() |
|
38 { |
|
39 TRAPD( status, CEffectControlBase::ConstructL(KUidSourceLocationEffect) ); |
|
40 return status; |
|
41 } |
|
42 |
|
43 // From MControl begins |
|
44 TInt CSourceLocationEffect::AddObserver( MControlObserver& aObserver ) |
|
45 { |
|
46 return iObservers.Append(&aObserver); |
|
47 } |
|
48 |
|
49 TInt CSourceLocationEffect::RemoveObserver( MControlObserver& aObserver ) |
|
50 { |
|
51 TInt index = iObservers.Find(&aObserver); |
|
52 if( index != KErrNotFound ) |
|
53 { |
|
54 iObservers.Remove(index); |
|
55 } |
|
56 return index; |
|
57 } |
|
58 |
|
59 TUid CSourceLocationEffect::Type() |
|
60 { |
|
61 return KSourceLocationEffectControl; |
|
62 } |
|
63 |
|
64 TControlType CSourceLocationEffect::ControlType() |
|
65 { |
|
66 return EEffectControl; |
|
67 } |
|
68 |
|
69 // From MControl ends |
|
70 |
|
71 // From MEffectControl begins |
|
72 TInt CSourceLocationEffect::Apply() |
|
73 { |
|
74 return DoApply(); |
|
75 } |
|
76 |
|
77 // From MEffectControl ends |
|
78 |
|
79 TInt CSourceLocationEffect::DoApply() |
|
80 { |
|
81 TInt error(KErrNone); |
|
82 if(iSourceLocationProxy) |
|
83 { |
|
84 TRAP(error,iSourceLocationProxy->ApplyL()); |
|
85 } |
|
86 else |
|
87 { |
|
88 error = KErrNotReady; |
|
89 } |
|
90 return error; |
|
91 } |
|
92 |
|
93 // From MSourceLocationEffect begins |
|
94 /** |
|
95 * Gets the cartesian coordinates for the location of the position. |
|
96 * @since 5.0 |
|
97 * @param aX The x-coordinate of the position (in millimeters) |
|
98 * @param aY The y-coordinate of the position (in millimeters) |
|
99 * @param aZ The z-coordinate of the position (in millimeters) |
|
100 * @return - |
|
101 */ |
|
102 |
|
103 TInt CSourceLocationEffect::LocationCartesian( TInt& aX, TInt& aY, TInt& aZ ) |
|
104 { |
|
105 TInt status(KErrNone); |
|
106 if(iSourceLocationProxy) |
|
107 { |
|
108 TInt32 a,b,c; |
|
109 iSourceLocationProxy->LocationCartesian(a,b,c); |
|
110 aX = a; |
|
111 aY = b; |
|
112 aZ = c; |
|
113 } |
|
114 else |
|
115 { |
|
116 status = KErrNotReady; |
|
117 } |
|
118 return status; |
|
119 } |
|
120 |
|
121 /** |
|
122 * Gets the spherical coordinates for the location of the position. |
|
123 * @since 5.0 |
|
124 * @param aAzimuth The Azimuth of the position (thousandths of radians) |
|
125 * @param aElevation The elevation of the position (thousandths of radians) |
|
126 * @param aRadius The radius of the position (thousandths of radians) |
|
127 * @return - |
|
128 */ |
|
129 TInt CSourceLocationEffect::LocationSpherical( TInt& aAzimuth, TInt& aElevation, TInt& aRadius ) |
|
130 { |
|
131 TInt status(KErrNone); |
|
132 if(iSourceLocationProxy) |
|
133 { |
|
134 TInt32 a,b,c; |
|
135 iSourceLocationProxy->LocationSpherical(a,b,c); |
|
136 aAzimuth = a; |
|
137 aElevation = b; |
|
138 aRadius = c; |
|
139 } |
|
140 else |
|
141 { |
|
142 status = KErrNotReady; |
|
143 } |
|
144 return status; |
|
145 } |
|
146 |
|
147 /** |
|
148 * Sets the cartesian coordinates for the location of the position. |
|
149 * @since 5.0 |
|
150 * @param aX The x-coordinate of the position |
|
151 * @param aY The y-coordinate of the position |
|
152 * @param aZ The z-coordinate of the position |
|
153 * @return - |
|
154 */ |
|
155 TInt CSourceLocationEffect::SetLocationCartesian( TInt aX, TInt aY, TInt aZ ) |
|
156 { |
|
157 TInt status(KErrNone); |
|
158 if(iSourceLocationProxy) |
|
159 { |
|
160 TInt32 a,b,c; |
|
161 a = aX; |
|
162 b = aY; |
|
163 c = aZ; |
|
164 TRAP(status,iSourceLocationProxy->SetLocationCartesianL(a,b,c)); |
|
165 } |
|
166 else |
|
167 { |
|
168 status = KErrNotReady; |
|
169 } |
|
170 return status; |
|
171 } |
|
172 |
|
173 /** |
|
174 * Sets the spherical coordinates for the location of the position. |
|
175 * @since 5.0 |
|
176 * @param aAzimuth The Azimuth of the position (thousandths of radians) |
|
177 * @param aElevation The elevation of the position (thousandths of radians) |
|
178 * @param aRadius The radius of the position (thousandths of radians) |
|
179 * @return - |
|
180 */ |
|
181 TInt CSourceLocationEffect::SetLocationSpherical( TInt aAzimuth, TInt aElevation, TInt aRadius ) |
|
182 { |
|
183 TInt status(KErrNone); |
|
184 if(iSourceLocationProxy) |
|
185 { |
|
186 TInt32 a,b,c; |
|
187 a = aAzimuth; |
|
188 b = aElevation; |
|
189 c = aRadius; |
|
190 TRAP(status,iSourceLocationProxy->SetLocationSphericalL(a,b,c)); |
|
191 } |
|
192 else |
|
193 { |
|
194 status = KErrNotReady; |
|
195 } |
|
196 return status; |
|
197 } |
|
198 |
|
199 // From MSourceLocationEffect ends |
|
200 |
|
201 // From MAudioEffectControl |
|
202 /** |
|
203 * Disable the effect |
|
204 * @since 5.0 |
|
205 */ |
|
206 TInt CSourceLocationEffect::Disable() |
|
207 { |
|
208 TInt status(KErrNone); |
|
209 if(iSourceLocationProxy) |
|
210 { |
|
211 TRAP(status,iSourceLocationProxy->DisableL()); |
|
212 } |
|
213 else |
|
214 { |
|
215 status = KErrNotReady; |
|
216 } |
|
217 return status; |
|
218 } |
|
219 |
|
220 /** |
|
221 * Enable the effect |
|
222 * @since 5.0 |
|
223 */ |
|
224 TInt CSourceLocationEffect::Enable() |
|
225 { |
|
226 TInt status(KErrNone); |
|
227 RDebug::Print(_L("CSourceLocationEffect::Enable() [%x]"),iSourceLocationProxy); |
|
228 if(iSourceLocationProxy) |
|
229 { |
|
230 TRAP(status,iSourceLocationProxy->EnableL()); |
|
231 } |
|
232 else |
|
233 { |
|
234 status = KErrNotReady; |
|
235 } |
|
236 return status; |
|
237 } |
|
238 |
|
239 /** |
|
240 * Enforce the effect. |
|
241 * @since 5.0 |
|
242 * @param aEnforced Indicate the effect is to be enforced or not. ETrue = Enforced. |
|
243 */ |
|
244 TInt CSourceLocationEffect::Enforce( TBool &aEnforced ) |
|
245 { |
|
246 TInt status(KErrNone); |
|
247 if(iSourceLocationProxy) |
|
248 { |
|
249 TRAP(status,iSourceLocationProxy->EnforceL(aEnforced)); |
|
250 } |
|
251 else |
|
252 { |
|
253 status = KErrNotReady; |
|
254 } |
|
255 return status; |
|
256 } |
|
257 |
|
258 /** |
|
259 * Check if this effect object currently has update rights. |
|
260 * A client can lose update rights in some hardware platforms where there are a limited |
|
261 * number of instances of an effect that can exist at the same time. When an effect instance |
|
262 * has lost update rights the user can still change settings, but any calls to Apply the |
|
263 * settings will be deferred until update rights are regained. |
|
264 * @since 5.0 |
|
265 * @return ETrue if this object currently has rights to update the settings of this effect, |
|
266 * EFalse otherwise. |
|
267 */ |
|
268 TInt CSourceLocationEffect::HaveUpdateRights(TBool &aHaveUpdateRights) |
|
269 { |
|
270 TInt status(KErrNone); |
|
271 if(iSourceLocationProxy) |
|
272 { |
|
273 aHaveUpdateRights = iSourceLocationProxy->HaveUpdateRights(); |
|
274 } |
|
275 else |
|
276 { |
|
277 status = KErrNotReady; |
|
278 } |
|
279 return status; |
|
280 } |
|
281 |
|
282 /** |
|
283 * Check if the effect is enabled |
|
284 * @since 5.0 |
|
285 * @return ETrue if the effect is enabled, EFalse if the effect is disabled. |
|
286 */ |
|
287 TInt CSourceLocationEffect::IsEnabled(TBool &aEnabled) |
|
288 { |
|
289 TInt status(KErrNone); |
|
290 if(iSourceLocationProxy) |
|
291 { |
|
292 aEnabled = iSourceLocationProxy->IsEnabled(); |
|
293 } |
|
294 else |
|
295 { |
|
296 status = KErrNotReady; |
|
297 } |
|
298 return status; |
|
299 } |
|
300 |
|
301 /** |
|
302 * Check if the effect is enforced. |
|
303 * @since 5.0 |
|
304 * @return ETrue if the effect is enforced, EFalse if the effect isn ot enforced. |
|
305 */ |
|
306 TInt CSourceLocationEffect::IsEnforced(TBool &aEnforced) |
|
307 { |
|
308 TInt status(KErrNone); |
|
309 if(iSourceLocationProxy) |
|
310 { |
|
311 aEnforced = iSourceLocationProxy->IsEnforced(); |
|
312 } |
|
313 else |
|
314 { |
|
315 status = KErrNotReady; |
|
316 } |
|
317 return status; |
|
318 } |
|
319 |
|
320 /* |
|
321 * Get the unique identifier of the audio effect |
|
322 * @since 5.0 |
|
323 * @return Unique identifier of the audio effect object. |
|
324 */ |
|
325 TInt CSourceLocationEffect::Uid(TUid &aUid) |
|
326 { |
|
327 TInt status(KErrNone); |
|
328 if(iSourceLocationProxy) |
|
329 { |
|
330 aUid = iSourceLocationProxy->Uid(); |
|
331 } |
|
332 else |
|
333 { |
|
334 status = KErrNotReady; |
|
335 } |
|
336 return status; |
|
337 } |
|
338 // From MAudioEffectControl Ends |
|
339 |
|
340 |
|
341 // From CEffectControlBase begins |
|
342 void CSourceLocationEffect::Event( TEffectControlEvent aEvent ) |
|
343 { |
|
344 TInt status(KErrNone); |
|
345 // Controller Loaded with ECIBuilderCreated |
|
346 if ( aEvent == ECIBuilderCreated ) |
|
347 { |
|
348 RDebug::Print(_L("Deleting Proxy")); |
|
349 status = DeleteEffectProxy(); |
|
350 RDebug::Print(_L("Deleting Proxy [%d]"),status); |
|
351 status = CreateEffectProxy(); |
|
352 RDebug::Print(_L("Creating Proxy [%d]"),status); |
|
353 if(status == KErrNone) |
|
354 { |
|
355 SavePreviousSettings(); |
|
356 } |
|
357 else |
|
358 { |
|
359 for ( TInt i = 0; i < iObservers.Count(); i++ ) |
|
360 { |
|
361 iObservers[i]->Event(this,MAudioEffectControl::KDisabled,NULL); |
|
362 } |
|
363 } |
|
364 } |
|
365 else if ( aEvent == EMessageHandlerDeleted ) |
|
366 { |
|
367 if(status == KErrNone) |
|
368 { |
|
369 DeleteEffectProxy(); |
|
370 } |
|
371 } |
|
372 } |
|
373 |
|
374 // From CEffectControlBase ends |
|
375 |
|
376 TInt CSourceLocationEffect::CreateEffectProxy() |
|
377 { |
|
378 TInt status(KErrNone); |
|
379 status = GetMessageHandle(iMsgHndlrHandlePckg); |
|
380 if(status != KErrNone) |
|
381 { |
|
382 return status; |
|
383 } |
|
384 iCustomCommand = GetCustomCommand(); |
|
385 if(!iCustomCommand) |
|
386 { |
|
387 return KErrNotReady; |
|
388 } |
|
389 |
|
390 TRAP(status,iSourceLocationProxy = CSourceLocationProxy::NewL(iMsgHndlrHandlePckg, *iCustomCommand, NULL)); |
|
391 if(status == KErrNone) |
|
392 { |
|
393 TRAP(status,iSourceLocationProxy->RegisterObserverL(*this)); |
|
394 } |
|
395 |
|
396 return status; |
|
397 } |
|
398 |
|
399 TInt CSourceLocationEffect::DeleteEffectProxy() |
|
400 { |
|
401 TInt status(KErrNone); |
|
402 if(iSourceLocationProxy) |
|
403 { |
|
404 iPrevSourceLocationProxy = iSourceLocationProxy; |
|
405 } |
|
406 iSourceLocationProxy = NULL; |
|
407 return status; |
|
408 } |
|
409 |
|
410 TInt CSourceLocationEffect::SavePreviousSettings() |
|
411 { |
|
412 TInt status(KErrNone); |
|
413 if(iPrevSourceLocationProxy) |
|
414 { |
|
415 TBool enforce = iPrevSourceLocationProxy->IsEnforced(); |
|
416 iSourceLocationProxy->EnforceL(enforce); |
|
417 |
|
418 TBool enable = iPrevSourceLocationProxy->IsEnabled(); |
|
419 if(enable) |
|
420 { |
|
421 iSourceLocationProxy->EnableL(); |
|
422 } |
|
423 |
|
424 delete iPrevSourceLocationProxy; |
|
425 iPrevSourceLocationProxy = NULL; |
|
426 } |
|
427 return status; |
|
428 } |
|
429 |
|
430 void CSourceLocationEffect::EffectChanged( const CAudioEffect* /*aObservedEffect*/, TUint8 aEvent ) |
|
431 { |
|
432 for ( TInt i = 0; i < iObservers.Count(); i++ ) |
|
433 { |
|
434 iObservers[i]->Event(this,aEvent,NULL); |
|
435 } |
|
436 } |
|
437 |
|
438 // End of file |