|
1 /* |
|
2 * Copyright (c) 2009 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: |
|
15 * |
|
16 */ |
|
17 #include <w32std.h> // RWindow, RWsSession. |
|
18 #include <coemain.h> // CCoeEnv |
|
19 #include <coecntrl.h> |
|
20 #include <ecam/ecamdirectviewfinder.h> |
|
21 #include "cxutils.h" |
|
22 #include "cxecameradevicecontrolsymbian.h" // CxeCameraDevice |
|
23 #include "cxeviewfindercontrolsymbian.h" |
|
24 #include "cxesettings.h" |
|
25 #include "cxesettingsmappersymbian.h" |
|
26 #include "cxeerrormappingsymbian.h" |
|
27 #include "cxestate.h" |
|
28 #include "cxevideocontainer.h" |
|
29 #include "OstTraceDefinitions.h" |
|
30 #ifdef OST_TRACE_COMPILER_IN_USE |
|
31 #include "cxeviewfindercontrolsymbianTraces.h" |
|
32 #endif |
|
33 |
|
34 |
|
35 |
|
36 /** |
|
37 * CxeViewfinderControlSymbian::CxeViewfinderControlSymbian |
|
38 */ |
|
39 CxeViewfinderControlSymbian::CxeViewfinderControlSymbian( CxeCameraDevice &cameraDevice, |
|
40 CxeCameraDeviceControl &cameraDeviceControl ) |
|
41 : CxeStateMachine("CxeViewfinderControlSymbian"), |
|
42 mCameraDevice( cameraDevice ), |
|
43 mCameraDeviceControl( cameraDeviceControl ), |
|
44 mUiWindow(NULL), |
|
45 mVideoWindow(NULL), |
|
46 mVideoContainer(NULL), |
|
47 mDirectViewfinder( NULL ), |
|
48 mDirectViewfinderInUse( true ) |
|
49 { |
|
50 CX_DEBUG_ENTER_FUNCTION(); |
|
51 |
|
52 qRegisterMetaType<CxeViewfinderControlSymbian::State>(); |
|
53 initializeStates(); |
|
54 |
|
55 // connect signals from cameraDevice, so we recieve events when camera reference changes |
|
56 connect(&mCameraDevice, SIGNAL(prepareForCameraDelete()), |
|
57 this,SLOT(prepareForCameraDelete())); |
|
58 |
|
59 connect(&mCameraDevice, SIGNAL(prepareForRelease()), |
|
60 this,SLOT(prepareForRelease())); |
|
61 |
|
62 connect(&mCameraDevice, SIGNAL(cameraAllocated(CxeError::Id)), |
|
63 this,SLOT(handleCameraAllocated(CxeError::Id))); |
|
64 |
|
65 CX_DEBUG_EXIT_FUNCTION(); |
|
66 } |
|
67 |
|
68 |
|
69 |
|
70 /** |
|
71 * CxeViewfinderControlSymbian::~CxeViewfinderControlSymbian() |
|
72 */ |
|
73 CxeViewfinderControlSymbian::~CxeViewfinderControlSymbian() |
|
74 { |
|
75 CX_DEBUG_ENTER_FUNCTION(); |
|
76 |
|
77 // do something |
|
78 stop(); // stop the vf |
|
79 releaseCurrentViewfinder(); // release resoruces |
|
80 |
|
81 delete mVideoContainer; |
|
82 mUiWindow = NULL; |
|
83 mVideoWindow = NULL; |
|
84 |
|
85 CX_DEBUG_EXIT_FUNCTION(); |
|
86 } |
|
87 |
|
88 |
|
89 |
|
90 |
|
91 /** |
|
92 * CxeViewfinderControlSymbian::setWindow |
|
93 */ |
|
94 void CxeViewfinderControlSymbian::setWindow(WId windowId) |
|
95 { |
|
96 CX_DEBUG_ENTER_FUNCTION(); |
|
97 |
|
98 mUiWindow = static_cast<CCoeControl*>(windowId)->DrawableWindow(); |
|
99 |
|
100 CX_DEBUG(("mUiWindow is 0x%08x", mUiWindow)); |
|
101 TSize windowSize = mUiWindow->Size(); |
|
102 |
|
103 CX_DEBUG(("mUiWindow size %dx%d", windowSize.iWidth, windowSize.iHeight)); |
|
104 |
|
105 // Set the window rect |
|
106 TPoint point = TPoint(0,0); |
|
107 mWindowRect = TRect(point, windowSize); |
|
108 |
|
109 CX_DEBUG(("CxeViewfinderControlSymbian::setWindow() mWindowRect iTl=(%d, %d) iBr=(%d, %d)", |
|
110 mWindowRect.iTl.iX, mWindowRect.iTl.iY, mWindowRect.iBr.iX, mWindowRect.iBr.iY)); |
|
111 |
|
112 CX_DEBUG_EXIT_FUNCTION(); |
|
113 } |
|
114 |
|
115 |
|
116 /*! |
|
117 * Returns Device's Display resolution |
|
118 */ |
|
119 QSize CxeViewfinderControlSymbian::deviceDisplayResolution() const |
|
120 { |
|
121 TSize windowSize(640, 360); // magic: default size if mUiWindow is NULL |
|
122 |
|
123 if (mUiWindow) { |
|
124 windowSize = mUiWindow->Size(); |
|
125 } |
|
126 |
|
127 QSize displaySize = QSize(windowSize.iWidth, windowSize.iHeight); |
|
128 |
|
129 if (displaySize.height() > displaySize.width()) { |
|
130 // Window server orientation might differ from the Orbit UI orientation. |
|
131 // Swap width and height if needed. |
|
132 displaySize.transpose(); |
|
133 } |
|
134 |
|
135 CX_DEBUG(("deviceDisplayResolution returning %dx%d", displaySize.width(), |
|
136 displaySize.height())); |
|
137 |
|
138 return displaySize; |
|
139 } |
|
140 |
|
141 |
|
142 /** |
|
143 * Stop viewfinder |
|
144 */ |
|
145 void CxeViewfinderControlSymbian::stop() |
|
146 { |
|
147 CX_DEBUG_ENTER_FUNCTION(); |
|
148 |
|
149 if (state() == Running) { |
|
150 CX_DEBUG_ASSERT( mCameraDevice.camera() ); |
|
151 CX_DEBUG( ( "Viewfinder is running stopping it" ) ); |
|
152 mCameraDevice.camera()->StopViewFinder(); |
|
153 setState( Ready ); |
|
154 } |
|
155 |
|
156 CX_DEBUG_EXIT_FUNCTION(); |
|
157 } |
|
158 |
|
159 |
|
160 /**! |
|
161 * Start the viewfinder |
|
162 */ |
|
163 CxeError::Id CxeViewfinderControlSymbian::start() |
|
164 { |
|
165 CX_DEBUG_ENTER_FUNCTION(); |
|
166 OstTrace0(camerax_performance, CXEVIEWFINDERCONTROL_START_1, "msg: e_CX_VIEWFINDER_START 1"); |
|
167 |
|
168 TInt err = KErrNone; |
|
169 |
|
170 if ( state() == Running ) { |
|
171 CX_DEBUG( ( "Viewfinder already running - ignored start()" ) ); |
|
172 CX_DEBUG_EXIT_FUNCTION(); |
|
173 return CxeError::None; |
|
174 } |
|
175 |
|
176 if (!mVideoWindow) { |
|
177 TRAP(err, createViewfinderWindowL()); |
|
178 if (err != KErrNone) { |
|
179 CX_DEBUG_EXIT_FUNCTION(); |
|
180 return CxeErrorHandlingSymbian::map(err); |
|
181 } |
|
182 } |
|
183 |
|
184 if (state() == Uninitialized) { |
|
185 err = initViewfinder(); |
|
186 } |
|
187 |
|
188 // apply any settings here |
|
189 if ( mDirectViewfinderInUse && !err && mDirectViewfinder && state() == Ready ) { |
|
190 |
|
191 // for now only direct vf |
|
192 switch( mDirectViewfinder->ViewFinderState() ) { |
|
193 case CCamera::CCameraDirectViewFinder::EViewFinderInActive: |
|
194 { |
|
195 CX_DEBUG(("Calling StartViewFinderDirectL")); |
|
196 |
|
197 // Make UI surface transparent so viewfinder is visible |
|
198 if (mUiWindow) { |
|
199 mUiWindow->SetSurfaceTransparency(ETrue); |
|
200 } |
|
201 |
|
202 // A local copy of the viewfinder coordinates (in WServ |
|
203 // coordinates). Needed because calling StartViewFinderDirectL() |
|
204 // will modify the rectangle and we don't want mWindowRect to be |
|
205 // modified. |
|
206 TRect activeViewfinderRect = mWindowRect; |
|
207 |
|
208 CX_DEBUG(("activeViewfinderRect iTl=(%d, %d) iBr=(%d, %d)", |
|
209 activeViewfinderRect.iTl.iX, activeViewfinderRect.iTl.iY, |
|
210 activeViewfinderRect.iBr.iX, activeViewfinderRect.iBr.iY)); |
|
211 |
|
212 TRAP(err, mCameraDevice.camera()->StartViewFinderDirectL( |
|
213 CCoeEnv::Static()->WsSession(), |
|
214 *CCoeEnv::Static()->ScreenDevice(), |
|
215 *mVideoWindow, activeViewfinderRect)); |
|
216 OstTrace0(camerax_performance, CXEVIEWFINDERCONTROL_STARTUP, "msg: e_CX_STARTUP 0"); |
|
217 setState(Running); |
|
218 break; |
|
219 } |
|
220 case CCamera::CCameraDirectViewFinder::EViewFinderPause: |
|
221 TRAP( err, mDirectViewfinder->ResumeViewFinderDirectL() ); |
|
222 if (!err) { |
|
223 setState( Running ); |
|
224 } |
|
225 break; |
|
226 case CCamera::CCameraDirectViewFinder::EViewFinderActive: |
|
227 // Already running. Not considered as error. |
|
228 setState( Running ); |
|
229 break; |
|
230 default: |
|
231 err = KErrNotSupported; |
|
232 } |
|
233 } |
|
234 else if ( !mDirectViewfinder ) { |
|
235 // Start bmp vf |
|
236 //TSize size(320, 240); |
|
237 TSize size(mWindowRect.Width(), mWindowRect.Height()); |
|
238 CX_DEBUG(("Starting bitmap vf with size %d x %d", size.iWidth, size.iHeight)); |
|
239 TRAP( err, mCameraDevice.camera()->StartViewFinderBitmapsL( size ) ); |
|
240 CX_DEBUG(("Bitmap viewfinder modified to size %d x %d", size.iWidth, size.iHeight)); |
|
241 if ( err ) { |
|
242 CX_DEBUG( ("StartViewfinderBitmapsL - err:%d", err) ); |
|
243 } |
|
244 else { |
|
245 setState( Running ); |
|
246 TRAP( err, mCameraDevice.camera()->SetViewFinderMirrorL(true) ); |
|
247 } |
|
248 } |
|
249 else { |
|
250 // vf already running. nothing to do |
|
251 } |
|
252 |
|
253 OstTrace0(camerax_performance, CXEVIEWFINDERCONTROL_START_2, "msg: e_CX_VIEWFINDER_START 0"); |
|
254 CX_DEBUG_EXIT_FUNCTION(); |
|
255 return CxeErrorHandlingSymbian::map(err); |
|
256 } |
|
257 |
|
258 |
|
259 /** |
|
260 * Intialize the viewfinder based on the VF mode |
|
261 */ |
|
262 int CxeViewfinderControlSymbian::initViewfinder() |
|
263 { |
|
264 CX_DEBUG_ENTER_FUNCTION(); |
|
265 OstTrace0(camerax_performance, CXEVIEWFINDERCONTROL_INIT_1, "msg: e_CX_VIEWFINDER_INIT 1"); |
|
266 |
|
267 TInt err = KErrNone; |
|
268 if (state() != Uninitialized) { |
|
269 return err; |
|
270 } |
|
271 |
|
272 // For now only direct vf. If there is any need for supporting other VF modes, condition checks |
|
273 // and handling of new states are needed here. |
|
274 |
|
275 // release first, the prev/current view finder instance. |
|
276 releaseCurrentViewfinder(); |
|
277 |
|
278 mDirectViewfinderInUse = true; |
|
279 /* |
|
280 if ( mCameraDeviceControl.cameraIndex() == Cxe::PrimaryCameraIndex ) { |
|
281 mDirectViewfinderInUse = true; |
|
282 } |
|
283 else { |
|
284 mDirectViewfinderInUse = false; |
|
285 }*/ |
|
286 |
|
287 if ( mDirectViewfinderInUse ) { |
|
288 // creating an new instance of vf |
|
289 TRAP( err, mDirectViewfinder = CCamera::CCameraDirectViewFinder::NewL( *mCameraDevice.camera() ) ); |
|
290 } |
|
291 |
|
292 if ( !err ) { |
|
293 setState( Ready ); |
|
294 } |
|
295 else { |
|
296 CX_DEBUG( ("error: %d", err ) ); |
|
297 } |
|
298 |
|
299 #if defined(CXE_USE_DUMMY_CAMERA) || defined(__WINSCW__) |
|
300 //! @todo Temporary code for WINSCW, because CCamera::CCameraDirectViewFinder is not yet supported by dummy engine |
|
301 setState( Ready ); |
|
302 #endif |
|
303 |
|
304 OstTrace0(camerax_performance, CXEVIEWFINDERCONTROL_INIT_2, "msg: e_CX_VIEWFINDER_INIT 0"); |
|
305 CX_DEBUG_EXIT_FUNCTION(); |
|
306 return err; |
|
307 } |
|
308 |
|
309 |
|
310 /** |
|
311 * Create the window for viewfinder to render into. |
|
312 */ |
|
313 void CxeViewfinderControlSymbian::createViewfinderWindowL() |
|
314 { |
|
315 CX_DEBUG_ENTER_FUNCTION(); |
|
316 OstTrace0(camerax_performance, CXEVIEWFINDERCONTROL_CREATE_WINDOW_1, "msg: e_CX_VIEWFINDER_CREATE_WINDOW 1"); |
|
317 |
|
318 if (!mUiWindow) { |
|
319 CX_DEBUG( ( "mUiWindow not set - cannot create VF window!" ) ); |
|
320 User::Leave(KErrNotReady); |
|
321 } |
|
322 |
|
323 // Make UI surface transparent so viewfinder is visible |
|
324 if (mUiWindow) { |
|
325 mUiWindow->SetSurfaceTransparency(ETrue); |
|
326 } |
|
327 |
|
328 delete mVideoContainer; |
|
329 mVideoContainer = NULL; |
|
330 mVideoContainer = new (ELeave) CxeVideoContainer(); |
|
331 mVideoContainer->ConstructL(); |
|
332 CX_DEBUG(("Viewfinder container created ok")); |
|
333 |
|
334 mVideoContainer->SetRect(mWindowRect); |
|
335 mVideoWindow = mVideoContainer->DrawableWindow(); |
|
336 CX_DEBUG(("mVideoWindow is 0x%08x", mVideoWindow)); |
|
337 CX_DEBUG(("mUiWindow ordinal position is: %d", mUiWindow->OrdinalPosition())); |
|
338 |
|
339 // Make sure UI window is on top of viewfinder |
|
340 CX_DEBUG(("Set viewfinder window ordinal..")); |
|
341 mVideoWindow->SetOrdinalPosition(-1); |
|
342 mUiWindow->SetOrdinalPosition(0); |
|
343 |
|
344 CX_DEBUG(("mVideoWindow ordinal position is: %d", mVideoWindow->OrdinalPosition())); |
|
345 CX_DEBUG(("mUiWindow ordinal position is: %d", mUiWindow->OrdinalPosition())); |
|
346 |
|
347 OstTrace0(camerax_performance, CXEVIEWFINDERCONTROL_CREATE_WINDOW_2, "msg: e_CX_VIEWFINDER_CREATE_WINDOW 0"); |
|
348 CX_DEBUG_EXIT_FUNCTION(); |
|
349 } |
|
350 |
|
351 |
|
352 void CxeViewfinderControlSymbian::prepareForRelease() |
|
353 { |
|
354 CX_DEBUG_ENTER_FUNCTION(); |
|
355 stop(); |
|
356 CX_DEBUG_EXIT_FUNCTION(); |
|
357 } |
|
358 |
|
359 /** |
|
360 * Release Vf resources |
|
361 */ |
|
362 void CxeViewfinderControlSymbian::releaseCurrentViewfinder() |
|
363 { |
|
364 CX_DEBUG_ENTER_FUNCTION(); |
|
365 |
|
366 delete mDirectViewfinder; |
|
367 mDirectViewfinder = NULL; |
|
368 setState( Uninitialized ); |
|
369 |
|
370 CX_DEBUG_EXIT_FUNCTION(); |
|
371 } |
|
372 |
|
373 /** |
|
374 * Ecam reference changing, release resources |
|
375 */ |
|
376 void CxeViewfinderControlSymbian::prepareForCameraDelete() |
|
377 { |
|
378 CX_DEBUG_ENTER_FUNCTION(); |
|
379 stop(); // first stop the viewfinder |
|
380 releaseCurrentViewfinder(); |
|
381 CX_DEBUG_EXIT_FUNCTION(); |
|
382 } |
|
383 |
|
384 |
|
385 /** |
|
386 * Handle new camera instance. |
|
387 */ |
|
388 void CxeViewfinderControlSymbian::handleCameraAllocated(CxeError::Id error) |
|
389 { |
|
390 CX_DEBUG_ENTER_FUNCTION(); |
|
391 if (!error) { |
|
392 initViewfinder(); |
|
393 } |
|
394 CX_DEBUG_EXIT_FUNCTION(); |
|
395 } |
|
396 |
|
397 CxeViewfinderControl::State CxeViewfinderControlSymbian::state() const |
|
398 { |
|
399 return static_cast<State>( stateId() ); |
|
400 } |
|
401 |
|
402 void CxeViewfinderControlSymbian::handleStateChanged( int newStateId, CxeError::Id error ) |
|
403 { |
|
404 emit stateChanged( static_cast<State>( newStateId ), error ); |
|
405 } |
|
406 |
|
407 void CxeViewfinderControlSymbian::initializeStates() |
|
408 { |
|
409 // addState( id, name, allowed next states ) |
|
410 addState( new CxeState( Uninitialized , "Uninitialized", Ready ) ); |
|
411 addState( new CxeState( Ready , "Ready", Uninitialized | Running ) ); |
|
412 addState( new CxeState( Running , "Running", Uninitialized | Ready ) ); |
|
413 |
|
414 setInitialState( Uninitialized ); |
|
415 } |
|
416 |
|
417 void CxeViewfinderControlSymbian::handleVfFrame(MCameraBuffer* /*buffer*/, int /*error*/) |
|
418 { |
|
419 CX_DEBUG_IN_FUNCTION(); |
|
420 CX_DEBUG( ( "Bitmap viewfinder not supported" ) ); |
|
421 CX_ASSERT_ALWAYS(false); |
|
422 } |
|
423 |
|
424 // end of file |