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: Widget Control Implementation |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 // Include Files |
|
20 |
|
21 // Class Headers |
|
22 #include "mulcoverflowcontrol.h" |
|
23 |
|
24 #include <AknUtils.h> |
|
25 // Alf Headers |
|
26 #include <alf/alfenv.h> |
|
27 // for dosetimage func |
|
28 #include <alf/alfimageloaderutil.h> |
|
29 #include <alf/alfbitmapprovider.h> |
|
30 #include <alf/alfdisplay.h> |
|
31 #include <alf/alfresourcepool.h> //for resource pooling |
|
32 #include <alf/alfwidgetenvextension.h> //for resource pooling |
|
33 #include <alf/alfutil.h> |
|
34 #include <alf/alfimagevisual.h> |
|
35 |
|
36 // Mul Headers |
|
37 #include <mul/mulevent.h> |
|
38 #include <mul/imulsliderwidget.h> |
|
39 |
|
40 |
|
41 // Gesture Helper |
|
42 #include <gesturehelper.h> |
|
43 |
|
44 // Local Headers |
|
45 #include "mulbaseelement.h" |
|
46 #include "mulcoverflowao.h" |
|
47 #include "mulcoverflowtemplate.h" |
|
48 #include "mulcoverflowwidget.h" |
|
49 #include "mulleave.h" //for leaving function |
|
50 #include "mullog.h" //for logs |
|
51 #include "mulassert.h" |
|
52 #include "imulmodelaccessor.h" |
|
53 |
|
54 //Gesture Helper |
|
55 using namespace GestureHelper; |
|
56 |
|
57 namespace Alf |
|
58 { |
|
59 |
|
60 struct TMulCoverFlowControlImpl |
|
61 { |
|
62 TMulCoverFlowControlImpl() |
|
63 { |
|
64 mHighlightIndex = -1; |
|
65 mScreenWidth = 0; |
|
66 mScreenHeight = 0; |
|
67 mGestureSpeed = 0; |
|
68 mCoverFlow2DTemplate = NULL; |
|
69 mIsWidgetVisible = true; //by default widget is visible . |
|
70 mBaseElement = NULL; |
|
71 mFastScroll = false; |
|
72 mNumVisibleItem = 0; |
|
73 mDefaultTextureId = -1; |
|
74 mBounceInProgress = false; |
|
75 mDirectionChanged = false; |
|
76 mDontBounce = false; |
|
77 mNumberOfRepeatEvents = 0; |
|
78 mIsMirrored = false; |
|
79 } |
|
80 |
|
81 /// @bug critical:avanhata:4/7/2008 you should never cache a property that is a property of |
|
82 /// another class. The model exists to own this type of information. I gave this review comment |
|
83 /// as "critical", since it is exactly these cached member variables that will |
|
84 /// yield most of bugs and complexity. Refactor it away. |
|
85 int mHighlightIndex; |
|
86 |
|
87 int mScreenWidth; |
|
88 int mScreenHeight; |
|
89 bool mIsWidgetVisible; |
|
90 MulBaseElement* mBaseElement; |
|
91 auto_ptr<MulCoverFlowTemplate> mCoverFlow2DTemplate; // 2D cover flow template //owns |
|
92 TReal32 mGestureSpeed; |
|
93 bool mFastScroll; // Flag to indicate wheher in fast scroll mode or not |
|
94 int mNumVisibleItem; |
|
95 int mDefaultTextureId; |
|
96 bool mBounceInProgress; |
|
97 int mReferencePoint; |
|
98 bool mDirectionChanged; |
|
99 int mCurrGestureDir; |
|
100 bool mDontBounce; |
|
101 int mNumberOfRepeatEvents; |
|
102 bool mIsLandscape; |
|
103 bool mIsMirrored; |
|
104 }; |
|
105 |
|
106 // --------------------------------------------------------------------------- |
|
107 // MulCoverFlowControl |
|
108 // --------------------------------------------------------------------------- |
|
109 // |
|
110 MulCoverFlowControl::MulCoverFlowControl(CAlfEnv& aEnv ) |
|
111 { |
|
112 //Call the base class method |
|
113 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::MulCoverFlowControl"); |
|
114 CAlfWidgetControl::construct ( aEnv); |
|
115 |
|
116 mData.reset( new (EMM)TMulCoverFlowControlImpl ); |
|
117 |
|
118 mFeedback = MTouchFeedback::Instance(); |
|
119 |
|
120 if (AknLayoutUtils::LayoutMirrored()) |
|
121 { |
|
122 mData->mIsMirrored = true; |
|
123 } |
|
124 else |
|
125 { |
|
126 mData->mIsMirrored = false; |
|
127 } |
|
128 |
|
129 mData->mIsLandscape = IsLandscape(); |
|
130 |
|
131 THROW_IF_LEAVES |
|
132 ( |
|
133 /// @bug critical:avanhata:30/9/2008 this is a symbian code section. don't call throwing osn code here. |
|
134 /// Throwing within a TRAP is at best undefined |
|
135 mCoverFlowAo.reset( new(EMM) MulCoverFlowAo( *this ) ); |
|
136 |
|
137 mHelper.reset(GestureHelper::CGestureHelper::NewL( *this )); |
|
138 mHelper->InitAlfredPointerCaptureL( aEnv, aEnv.PrimaryDisplay(), KGroupId ); |
|
139 mHelper->SetHoldingEnabled( EFalse ); |
|
140 ) |
|
141 } |
|
142 |
|
143 // --------------------------------------------------------------------------- |
|
144 // ~MulCoverFlowControl |
|
145 // --------------------------------------------------------------------------- |
|
146 // |
|
147 MulCoverFlowControl::~MulCoverFlowControl() |
|
148 { |
|
149 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::~MulCoverFlowControl"); |
|
150 |
|
151 if( ModelAccessor() != NULL ) |
|
152 { |
|
153 ModelAccessor()->RemoveModelObserver(this); |
|
154 } |
|
155 |
|
156 DestroySlider(); |
|
157 |
|
158 } |
|
159 |
|
160 // --------------------------------------------------------------------------- |
|
161 // makeInterface |
|
162 // --------------------------------------------------------------------------- |
|
163 // |
|
164 IAlfInterfaceBase* MulCoverFlowControl::makeInterface( const IfId& aType ) |
|
165 { |
|
166 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::makeInterface"); |
|
167 UString param(aType.mImplementationId); |
|
168 return CAlfWidgetControl::makeInterface( aType ); |
|
169 } |
|
170 |
|
171 // --------------------------------------------------------------------------- |
|
172 // ResetShowWidgetFlag |
|
173 // --------------------------------------------------------------------------- |
|
174 // |
|
175 void MulCoverFlowControl::ResetShowWidgetFlag( bool aNewResetValue ) |
|
176 { |
|
177 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::ResetShowWidgetFlag"); |
|
178 mData->mIsWidgetVisible = aNewResetValue; |
|
179 if( aNewResetValue) |
|
180 { |
|
181 mHelper->AddObserver(this); |
|
182 } |
|
183 } |
|
184 |
|
185 // --------------------------------------------------------------------------- |
|
186 // Template2D |
|
187 // --------------------------------------------------------------------------- |
|
188 // |
|
189 MulCoverFlowTemplate* MulCoverFlowControl::Template2D() |
|
190 { |
|
191 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::Template2D"); |
|
192 return mData->mCoverFlow2DTemplate.get(); |
|
193 } |
|
194 |
|
195 // --------------------------------------------------------------------------- |
|
196 // IsFastScrollMode |
|
197 // --------------------------------------------------------------------------- |
|
198 // |
|
199 bool MulCoverFlowControl::IsFastScrollMode() |
|
200 { |
|
201 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::IsFastScrollMode"); |
|
202 return mData->mFastScroll; |
|
203 } |
|
204 |
|
205 |
|
206 //-----------------------Event Handling API's ------------------------------- |
|
207 // --------------------------------------------------------------------------- |
|
208 // handleEvent |
|
209 // --------------------------------------------------------------------------- |
|
210 // |
|
211 AlfEventStatus MulCoverFlowControl::handleEvent(const TAlfEvent& aEvent) |
|
212 { |
|
213 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::handleEvent"); |
|
214 if( aEvent.IsCustomEvent() ) |
|
215 { |
|
216 return HandleCustomEvent( aEvent ); |
|
217 } |
|
218 else if( aEvent.IsKeyEvent() && mData->mIsWidgetVisible ) |
|
219 { |
|
220 if(TotalModelCount() <= KMinNumItemForFastScroll || |
|
221 aEvent.KeyEvent().iRepeats == 0 ) |
|
222 { |
|
223 return HandleKeyEvent( aEvent ); |
|
224 } |
|
225 else |
|
226 { |
|
227 return HandleRepeatKeyEvent( aEvent ); |
|
228 } |
|
229 } |
|
230 else if( aEvent.IsPointerEvent() && mData->mIsWidgetVisible ) |
|
231 { |
|
232 MUL_LOG_INFO("MUL::MulCoverFlowControl: handleEvent ::pointer event"); |
|
233 //commented as gives warning in armv5 |
|
234 //THROW_IF_LEAVES |
|
235 //( |
|
236 TBool result = mHelper->OfferEventL(aEvent); |
|
237 MUL_LOG_INFO1("MUL::MulCoverFlowControl: handleEvent::result %d ",result); |
|
238 return result ? EEventConsumed :EEventNotHandled ; |
|
239 // ) |
|
240 } |
|
241 return EEventNotHandled; |
|
242 } |
|
243 // --------------------------------------------------------------------------- |
|
244 // HandleCustomEvent |
|
245 // --------------------------------------------------------------------------- |
|
246 // |
|
247 AlfEventStatus MulCoverFlowControl::HandleCustomEvent( const TAlfEvent& aEvent ) |
|
248 { |
|
249 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::HandleCustomEvent"); |
|
250 AlfEventStatus eventConsumed = EEventNotHandled; |
|
251 switch( aEvent.CustomParameter() ) |
|
252 { |
|
253 case ECustomEventBounceBack: |
|
254 { |
|
255 MUL_LOG_INFO("MUL::MulCF:Handle custom event Compensate Bounce"); |
|
256 mFeedback->InstantFeedback(ETouchFeedbackBasic); |
|
257 mData->mBaseElement->StopDoodling(/*3*KBounceTime*/500); |
|
258 if ((TotalModelCount() > 1 && mData->mNumVisibleItem == 1) || |
|
259 (TotalModelCount() > 2)) |
|
260 { |
|
261 Env().Send(TAlfCustomEventCommand(ECustomEventScroll, this),500/*3*KBounceTime*/ + 30); |
|
262 } |
|
263 else |
|
264 { |
|
265 //start marquee in case of text is visible. |
|
266 if(mData->mBaseElement->IsTextVisibile()) |
|
267 { |
|
268 //start marquee after 1 sec (after doodle completed) |
|
269 Env().Send(TAlfCustomEventCommand( |
|
270 ECustomEventMarqueeStart, this),500/*3*KBounceTime*/ + KMarqueeTime1000); |
|
271 } |
|
272 // if only one item is there then no need to scroll. |
|
273 mData->mBounceInProgress = false; |
|
274 } |
|
275 eventConsumed = EEventConsumed; |
|
276 break; |
|
277 } |
|
278 case ECustomEventScroll: |
|
279 { |
|
280 MUL_LOG_INFO("MUL::MulCF:Handle custom event Compensate Bounce"); |
|
281 Env().Send(TAlfCustomEventCommand(ECustomEventBounceCompleted,this),600); |
|
282 |
|
283 if (mData->mHighlightIndex == 0) |
|
284 { |
|
285 DoSetFocusIndex(TotalModelCount() -1,/*4*KBounceTime*/800); |
|
286 } |
|
287 else |
|
288 { |
|
289 DoSetFocusIndex(0,800); |
|
290 } |
|
291 SetSliderTickPosition(); |
|
292 eventConsumed = EEventConsumed; |
|
293 break; |
|
294 } |
|
295 case ECustomEventBounceCompleted: |
|
296 { |
|
297 mData->mBounceInProgress = false; |
|
298 eventConsumed = EEventConsumed; |
|
299 break; |
|
300 } |
|
301 case ECustomEventMarqueeStart: |
|
302 { |
|
303 mData->mBaseElement->StartMarquee(mulvisualitem::KMulTitle); |
|
304 eventConsumed = EEventConsumed; |
|
305 break; |
|
306 } |
|
307 case ECustomEventTitleMarqueeFinished: |
|
308 { |
|
309 mData->mBaseElement->StopMarquee(mulvisualitem::KMulTitle); |
|
310 eventConsumed = EEventConsumed; |
|
311 break; |
|
312 } |
|
313 case ECustomEventDetailMarqueeStart: |
|
314 { |
|
315 mData->mBaseElement->StartMarquee(mulvisualitem::KMulDetail); |
|
316 eventConsumed = EEventConsumed; |
|
317 break; |
|
318 } |
|
319 case ECustomEventMarqueeFinished: |
|
320 { |
|
321 mData->mBaseElement->StopMarquee(mulvisualitem::KMulDetail); |
|
322 eventConsumed = EEventConsumed; |
|
323 break; |
|
324 } |
|
325 default: break; |
|
326 } |
|
327 return eventConsumed; |
|
328 } |
|
329 |
|
330 // --------------------------------------------------------------------------- |
|
331 // HandleKeyEvent |
|
332 // --------------------------------------------------------------------------- |
|
333 // |
|
334 AlfEventStatus MulCoverFlowControl::HandleKeyEvent( const TAlfEvent& aEvent ) |
|
335 { |
|
336 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::HandleKeyEvent"); |
|
337 AlfEventStatus eventConsumed = EEventNotHandled; |
|
338 if( aEvent.Code() == EEventKey) |
|
339 { |
|
340 switch ( aEvent.KeyEvent().iCode ) |
|
341 { |
|
342 case EKeyEnter: |
|
343 // Event when selection key is pressed .( key event ) |
|
344 case EKeyDeviceA: |
|
345 case EKeyDevice3: |
|
346 { |
|
347 if(aEvent.KeyEvent().iRepeats == 0) |
|
348 { |
|
349 if(TotalModelCount() <= 0 && mData->mBaseElement->IsEmptyText() ) |
|
350 { |
|
351 SetSelection(mData->mHighlightIndex); |
|
352 eventConsumed = EEventConsumed; |
|
353 } |
|
354 else if( TotalModelCount() > 0 ) |
|
355 { |
|
356 SetSelection(mData->mHighlightIndex); |
|
357 eventConsumed = EEventConsumed; |
|
358 } |
|
359 break; |
|
360 } |
|
361 } |
|
362 case EKeyRightArrow: |
|
363 { |
|
364 // Send event to inform that the Right Key is pressed |
|
365 if (mData->mIsMirrored) |
|
366 { |
|
367 HandleNavigationEvent ( EEventScrollLeft ); |
|
368 } |
|
369 else |
|
370 { |
|
371 HandleNavigationEvent ( EEventScrollRight ); |
|
372 } |
|
373 eventConsumed = EEventConsumed; |
|
374 break; |
|
375 } |
|
376 |
|
377 case EKeyLeftArrow: |
|
378 { |
|
379 // Send event to inform that the Left Key is pressed |
|
380 if (mData->mIsMirrored) |
|
381 { |
|
382 HandleNavigationEvent ( EEventScrollRight ); |
|
383 } |
|
384 else |
|
385 { |
|
386 HandleNavigationEvent ( EEventScrollLeft ); |
|
387 } |
|
388 eventConsumed = EEventConsumed; |
|
389 break; |
|
390 } |
|
391 case EKeyBackspace: |
|
392 //case EKeyDelete: |
|
393 { |
|
394 CAlfWidgetControl::processEvent( TAlfEvent( ETypeRemove,mData->mHighlightIndex)); |
|
395 eventConsumed = EEventConsumed; |
|
396 break; |
|
397 } |
|
398 default: |
|
399 { |
|
400 break; |
|
401 } |
|
402 } |
|
403 } |
|
404 |
|
405 else if(aEvent.Code() == EEventKeyUp) |
|
406 { |
|
407 mData->mNumberOfRepeatEvents = 0; |
|
408 switch ( aEvent.KeyEvent().iScanCode ) |
|
409 { |
|
410 case EStdKeyRightArrow: |
|
411 case EStdKeyLeftArrow: |
|
412 { |
|
413 if(mData->mFastScroll) |
|
414 { |
|
415 HandleEnhancedStop(); |
|
416 eventConsumed = EEventConsumed; |
|
417 } |
|
418 break; |
|
419 } |
|
420 default: |
|
421 { |
|
422 break; |
|
423 } |
|
424 } |
|
425 } |
|
426 |
|
427 return eventConsumed; |
|
428 } |
|
429 |
|
430 // --------------------------------------------------------------------------- |
|
431 // HandleRepeatKeyEvent |
|
432 // --------------------------------------------------------------------------- |
|
433 // |
|
434 AlfEventStatus MulCoverFlowControl::HandleRepeatKeyEvent( const TAlfEvent& aEvent ) |
|
435 { |
|
436 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::HandleHoldGestureEvents"); |
|
437 |
|
438 AlfEventStatus eventConsumed = EEventNotHandled; |
|
439 if( aEvent.Code() == EEventKey) |
|
440 { |
|
441 switch ( aEvent.KeyEvent().iCode ) |
|
442 { |
|
443 case EKeyRightArrow: |
|
444 { |
|
445 if (mData->mIsMirrored) |
|
446 { |
|
447 HandleFastScrollWithKeyEvents(1); |
|
448 } |
|
449 else |
|
450 { |
|
451 HandleFastScrollWithKeyEvents(-1); |
|
452 } |
|
453 eventConsumed = EEventConsumed; |
|
454 break; |
|
455 } |
|
456 |
|
457 case EKeyLeftArrow: |
|
458 { |
|
459 if (mData->mIsMirrored) |
|
460 { |
|
461 HandleFastScrollWithKeyEvents(-1); |
|
462 } |
|
463 else |
|
464 { |
|
465 HandleFastScrollWithKeyEvents(1); |
|
466 } |
|
467 eventConsumed = EEventConsumed; |
|
468 break; |
|
469 } |
|
470 default: |
|
471 { |
|
472 break; |
|
473 } |
|
474 } |
|
475 } |
|
476 return eventConsumed; |
|
477 } |
|
478 |
|
479 // --------------------------------------------------------------------------- |
|
480 // HandleFastScrollWithKeyEvents |
|
481 // --------------------------------------------------------------------------- |
|
482 // |
|
483 void MulCoverFlowControl::HandleFastScrollWithKeyEvents(int aDirection) |
|
484 { |
|
485 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::HandleFastScrollWithKeyEvents"); |
|
486 mData->mNumberOfRepeatEvents++; |
|
487 if(mData->mNumberOfRepeatEvents == 1 ) |
|
488 { |
|
489 CAlfWidgetControl::processEvent( TAlfEvent( ETypeFastScroll,EScrollStart )); |
|
490 mData->mFastScroll = true; |
|
491 mCoverFlowAo->StartMoving(1, aDirection,true,200); |
|
492 } |
|
493 else if(mData->mNumberOfRepeatEvents == KNumberOfRepeatsForMediumSpeed && mData->mFastScroll ) |
|
494 { |
|
495 mCoverFlowAo->StartMoving(1, aDirection,true,150); |
|
496 } |
|
497 else if(mData->mNumberOfRepeatEvents == KNumberOfRepeatsForFastSpeed && mData->mFastScroll ) |
|
498 { |
|
499 mCoverFlowAo->StartMoving(1, aDirection,true,100); |
|
500 } |
|
501 } |
|
502 |
|
503 // --------------------------------------------------------------------------- |
|
504 // HandleNavigationEvent |
|
505 // --------------------------------------------------------------------------- |
|
506 // |
|
507 void MulCoverFlowControl::HandleNavigationEvent( int aEvent ) |
|
508 { |
|
509 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::HandleNavigationEvent"); |
|
510 |
|
511 // During bounce ignore all the events |
|
512 if (mData->mBounceInProgress) |
|
513 { |
|
514 return; |
|
515 } |
|
516 |
|
517 int highlightIndex = mData->mHighlightIndex; |
|
518 int totalcount = TotalModelCount(); |
|
519 if(totalcount <= 0 && highlightIndex == -1 ) |
|
520 { |
|
521 return; |
|
522 } |
|
523 //stop marquee if the navigation is happening. |
|
524 if(mData->mBaseElement->IsTextVisibile()) |
|
525 { |
|
526 mData->mBaseElement->StopMarquee(mulvisualitem::KMulTitle); |
|
527 mData->mBaseElement->StopMarquee(mulvisualitem::KMulDetail); |
|
528 } |
|
529 Env().CancelCustomCommands(this); |
|
530 |
|
531 //Update the highlight index |
|
532 switch( aEvent ) |
|
533 { |
|
534 case EEventScrollRight: |
|
535 { |
|
536 // boundary check |
|
537 if( highlightIndex == totalcount - 1 ) |
|
538 { |
|
539 if( !mData->mBounceInProgress && !mData->mDontBounce) |
|
540 { |
|
541 mData->mBounceInProgress = true; |
|
542 mData->mBaseElement->StartBounce(KBounceRight); |
|
543 } |
|
544 else |
|
545 { |
|
546 mData->mBounceInProgress = false; |
|
547 mData->mDontBounce = false; |
|
548 highlightIndex = 0; |
|
549 } |
|
550 } |
|
551 else |
|
552 { |
|
553 highlightIndex++; |
|
554 } |
|
555 |
|
556 mData->mBaseElement->SetScrollDir(EItemScrollRight); |
|
557 } |
|
558 break; |
|
559 |
|
560 case EEventScrollLeft: |
|
561 { |
|
562 //boundary check |
|
563 if( highlightIndex == 0 ) |
|
564 { |
|
565 if( !mData->mBounceInProgress && !mData->mDontBounce) |
|
566 { |
|
567 mData->mBounceInProgress = true; |
|
568 mData->mBaseElement->StartBounce(KBounceLeft); |
|
569 } |
|
570 else |
|
571 { |
|
572 mData->mBounceInProgress = false; |
|
573 mData->mDontBounce = false; |
|
574 highlightIndex = totalcount - 1; |
|
575 } |
|
576 } |
|
577 else |
|
578 { |
|
579 highlightIndex--; |
|
580 } |
|
581 } |
|
582 mData->mBaseElement->SetScrollDir(EItemScrollLeft); |
|
583 break; |
|
584 } |
|
585 |
|
586 // to handle bounce checks |
|
587 if( !mData->mBounceInProgress ) |
|
588 { |
|
589 DoSetFocusIndex( highlightIndex ); |
|
590 SetSliderTickPosition(); |
|
591 } |
|
592 } |
|
593 // --------------------------------------------------------------------------- |
|
594 // SendEventToBaseElement |
|
595 // --------------------------------------------------------------------------- |
|
596 // |
|
597 void MulCoverFlowControl::SendEventToBaseElement( const TAlfEvent& aEvent ) |
|
598 { |
|
599 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::SendEventToBaseElement"); |
|
600 mData->mBaseElement->offerEvent( *this, aEvent); |
|
601 } |
|
602 |
|
603 //----------------------------Highlight and Selection API's ----------------- |
|
604 |
|
605 // --------------------------------------------------------------------------- |
|
606 // SetHighlightIndex |
|
607 // --------------------------------------------------------------------------- |
|
608 // |
|
609 void MulCoverFlowControl::SetHighlightIndex( int aIndex, bool aUpdateSlider) |
|
610 { |
|
611 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::SetHighlightIndex"); |
|
612 // Throw Out of Bound Exception if index is negative |
|
613 __MUL_ASSERT (aIndex > -1 && aIndex < TotalModelCount(), KOutOfBound); |
|
614 //set the highlight in model |
|
615 if(aIndex > mData->mHighlightIndex) |
|
616 { |
|
617 mData->mBaseElement->SetScrollDir(EItemScrollRight); |
|
618 } |
|
619 else |
|
620 { |
|
621 mData->mBaseElement->SetScrollDir(EItemScrollLeft); |
|
622 } |
|
623 DoSetFocusIndex( aIndex ); |
|
624 if (aUpdateSlider) |
|
625 { |
|
626 SetSliderTickPosition(); |
|
627 } |
|
628 } |
|
629 // --------------------------------------------------------------------------- |
|
630 // DoSetFocusIndex |
|
631 // --------------------------------------------------------------------------- |
|
632 // |
|
633 void MulCoverFlowControl::DoSetFocusIndex( int aNewIndex, int aAnimationTime ) |
|
634 { |
|
635 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::DoSetFocusIndex"); |
|
636 |
|
637 if(aNewIndex < 0 ) |
|
638 { |
|
639 return; |
|
640 } |
|
641 |
|
642 int oldindex = mData->mHighlightIndex; |
|
643 IMulModelAccessor* accessor = static_cast<IMulModelAccessor*>(widget()->model()); |
|
644 if(accessor) |
|
645 { |
|
646 if( oldindex == aNewIndex ) |
|
647 { |
|
648 accessor->SetHighlight( aNewIndex ); |
|
649 |
|
650 // When one item case to cancel the drag effect |
|
651 mData->mBaseElement->StopDoodling(200); |
|
652 return; |
|
653 } |
|
654 // handling of cancelling bounce in 2 items case |
|
655 if(TotalModelCount() == 2) |
|
656 { |
|
657 if((mData->mBaseElement->ScrollDir() == EItemScrollRight && aNewIndex == 1 && oldindex == 2)|| |
|
658 (mData->mBaseElement->ScrollDir() == EItemScrollLeft && aNewIndex == 2 && oldindex == 1)) |
|
659 { |
|
660 mData->mBaseElement->StopDoodling(200); |
|
661 return; |
|
662 } |
|
663 } |
|
664 |
|
665 accessor->SetHighlight( aNewIndex ); |
|
666 accessor->ScrollWindow( WindowTop(aNewIndex) ); |
|
667 |
|
668 // Set the new focused item |
|
669 mData->mHighlightIndex = aNewIndex; |
|
670 |
|
671 // Throw Out of Bound Exception if index is negative |
|
672 __MUL_ASSERT( mData->mHighlightIndex > -1 , KOutOfBound ); |
|
673 mData->mBaseElement->offerEvent(*this,TAlfEvent(ETypeHighlight,aAnimationTime)); |
|
674 |
|
675 if( mData->mIsWidgetVisible ) |
|
676 { |
|
677 // If the widget is in hidden mode no event will be sent to the application/client |
|
678 CAlfWidgetControl::processEvent( TAlfEvent( ETypeHighlight,mData->mHighlightIndex)); |
|
679 } |
|
680 } |
|
681 } |
|
682 |
|
683 // ---------------------------------------------------------------------------- |
|
684 // SetSelection |
|
685 // ---------------------------------------------------------------------------- |
|
686 // |
|
687 void MulCoverFlowControl::SetSelection(int aHighlight) |
|
688 { |
|
689 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::SetSelection"); |
|
690 CAlfWidgetControl::processEvent ( TAlfEvent ( ETypeSelect, aHighlight)); |
|
691 } |
|
692 |
|
693 // --------------------------------------------------------------------------- |
|
694 // HighlightIndex |
|
695 // --------------------------------------------------------------------------- |
|
696 // |
|
697 int MulCoverFlowControl::HighlightIndex() |
|
698 { |
|
699 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::HighlightIndex"); |
|
700 return mData->mHighlightIndex; |
|
701 } |
|
702 |
|
703 // --------------------------------------------------------------------------- |
|
704 // SetSliderTickPosition |
|
705 // --------------------------------------------------------------------------- |
|
706 // |
|
707 void MulCoverFlowControl::SetSliderTickPosition( ) |
|
708 { |
|
709 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::SetSliderTickPosition"); |
|
710 if (mData->mCoverFlow2DTemplate->IsSliderVisible()) |
|
711 { |
|
712 IMulSliderModel* mulSliderModel = GetSliderModel(); |
|
713 if( mulSliderModel && mData->mHighlightIndex >= KInitialvalueZero ) |
|
714 { |
|
715 mulSliderModel->SetPrimaryValue( mData->mHighlightIndex ); |
|
716 } |
|
717 } |
|
718 } |
|
719 |
|
720 //----------------------Model Change Related API's---------------------------- |
|
721 // ---------------------------------------------------------------------------- |
|
722 // ModelStateChanged |
|
723 // ---------------------------------------------------------------------------- |
|
724 // |
|
725 void MulCoverFlowControl::ModelStateChanged( TMulChangedState aState, IMulVariantType& aData ) |
|
726 { |
|
727 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::ModelStateChanged"); |
|
728 switch( aState ) |
|
729 { |
|
730 case EItemUpdated: |
|
731 { |
|
732 int index = aData.integer(); |
|
733 if(TotalModelCount() < 2*mData->mNumVisibleItem+1) |
|
734 { |
|
735 HandleLessItemsUpdate(index); |
|
736 } |
|
737 else |
|
738 { |
|
739 int relativeIndex = 0; |
|
740 if (IsIndexInVisibleWindow(index, relativeIndex)) |
|
741 { |
|
742 UpdateCoverflowItem(index,relativeIndex); |
|
743 mData->mBaseElement->CancelRotationOnUpdate(relativeIndex); |
|
744 } |
|
745 } |
|
746 break; |
|
747 } |
|
748 case EHighlightChanged: |
|
749 { |
|
750 if (mData->mHighlightIndex != aData.integer()) |
|
751 { |
|
752 mData->mHighlightIndex = aData.integer(); |
|
753 IMulModelAccessor* accessor = static_cast<IMulModelAccessor*>(widget()->model()); |
|
754 if( mData->mHighlightIndex == 0 ) |
|
755 { |
|
756 mData->mBaseElement->ShowEmptyText(false); |
|
757 } |
|
758 if( mData->mHighlightIndex >= 0) |
|
759 { |
|
760 // the same things have to be done for highlight>0 and highlight = 0 |
|
761 // the only diff is at highlight 0 dont show empty text |
|
762 accessor->ScrollWindow(WindowTop(mData->mHighlightIndex)); |
|
763 mData->mBaseElement->UpdateVisuals(); |
|
764 mData->mBaseElement->SetCounterText(); |
|
765 SetSliderTickPosition(); |
|
766 } |
|
767 else |
|
768 { |
|
769 // remove the visualisation and hide counter. |
|
770 mData->mBaseElement->RecycleIconVisuals(); |
|
771 mData->mBaseElement->ShowEmptyText( true ); |
|
772 } |
|
773 } |
|
774 break; |
|
775 } |
|
776 case EItemsInserted: |
|
777 case EItemsRemoved: |
|
778 { |
|
779 HandleModelCountChange(); |
|
780 break; |
|
781 } |
|
782 |
|
783 } |
|
784 } |
|
785 |
|
786 // --------------------------------------------------------------------------- |
|
787 // HandleLessItemsUpdate |
|
788 // --------------------------------------------------------------------------- |
|
789 // |
|
790 void MulCoverFlowControl::HandleLessItemsUpdate(int aIndex) |
|
791 { |
|
792 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::HandleLessItemsUpdate"); |
|
793 if(aIndex == mData->mHighlightIndex) |
|
794 { |
|
795 UpdateCoverflowItem(aIndex,mData->mNumVisibleItem); |
|
796 if(mData->mNumVisibleItem != 1 && TotalModelCount() == 3) |
|
797 { |
|
798 UpdateCoverflowItem(aIndex,mData->mNumVisibleItem + 3); |
|
799 UpdateCoverflowItem(aIndex,mData->mNumVisibleItem - 3); |
|
800 } |
|
801 } |
|
802 else |
|
803 { |
|
804 // fulscreen tempalte and 2d in portrait |
|
805 if(mData->mNumVisibleItem == 1) |
|
806 { |
|
807 UpdateCoverflowItem(aIndex,mData->mNumVisibleItem+1); |
|
808 UpdateCoverflowItem(aIndex,mData->mNumVisibleItem-1); |
|
809 } |
|
810 else |
|
811 { |
|
812 // 2d template landscape mode |
|
813 if(TotalModelCount() == 2) |
|
814 { |
|
815 UpdateCoverflowItem(aIndex,mData->mNumVisibleItem+(aIndex - mData->mHighlightIndex)); |
|
816 } |
|
817 else |
|
818 { |
|
819 int relativeIndex = (aIndex - mData->mHighlightIndex) + mData->mNumVisibleItem; |
|
820 if(relativeIndex >= 0 && relativeIndex < 2*mData->mNumVisibleItem+1) |
|
821 { |
|
822 UpdateCoverflowItem(aIndex,relativeIndex); |
|
823 } |
|
824 relativeIndex = relativeIndex + TotalModelCount(); |
|
825 if(relativeIndex >= 0 && relativeIndex < 2*mData->mNumVisibleItem+1) |
|
826 { |
|
827 UpdateCoverflowItem(aIndex,relativeIndex); |
|
828 } |
|
829 |
|
830 relativeIndex = mData->mNumVisibleItem - (TotalModelCount() - aIndex + mData->mHighlightIndex); |
|
831 if(relativeIndex >= 0 && relativeIndex < 2*mData->mNumVisibleItem+1) |
|
832 { |
|
833 UpdateCoverflowItem(aIndex,relativeIndex); |
|
834 } |
|
835 relativeIndex = relativeIndex - TotalModelCount(); |
|
836 if(relativeIndex >= 0 && relativeIndex < 2*mData->mNumVisibleItem+1) |
|
837 { |
|
838 UpdateCoverflowItem(aIndex,relativeIndex); |
|
839 } |
|
840 } |
|
841 } |
|
842 } |
|
843 } |
|
844 |
|
845 // --------------------------------------------------------------------------- |
|
846 // IsIndexInVisibleWindow |
|
847 // --------------------------------------------------------------------------- |
|
848 // |
|
849 bool MulCoverFlowControl::IsIndexInVisibleWindow(const int aIndex, int& aRelativeIndex) |
|
850 { |
|
851 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::IsIndexInVisibleWindow"); |
|
852 |
|
853 int totalVisual = TotalModelCount(); |
|
854 int noOfVisuals = mData->mNumVisibleItem; |
|
855 int highlightRelativeIndex = mData->mNumVisibleItem; |
|
856 |
|
857 int leftIndex = mData->mHighlightIndex - noOfVisuals; |
|
858 int rightIndex = mData->mHighlightIndex + noOfVisuals; |
|
859 |
|
860 if (leftIndex >= 0) |
|
861 { |
|
862 if ((aIndex <= mData->mHighlightIndex) && (aIndex >= leftIndex)) |
|
863 { |
|
864 aRelativeIndex = highlightRelativeIndex - (mData->mHighlightIndex - aIndex); |
|
865 return true; |
|
866 } |
|
867 } |
|
868 else |
|
869 { |
|
870 if (aIndex <= mData->mHighlightIndex) |
|
871 { |
|
872 aRelativeIndex = highlightRelativeIndex - (mData->mHighlightIndex - aIndex); |
|
873 return true; |
|
874 } |
|
875 else |
|
876 { |
|
877 leftIndex = totalVisual + leftIndex ; |
|
878 if (aIndex >= leftIndex) |
|
879 { |
|
880 aRelativeIndex = highlightRelativeIndex - noOfVisuals + (aIndex - leftIndex); |
|
881 return true; |
|
882 } |
|
883 } |
|
884 } |
|
885 |
|
886 if (rightIndex < totalVisual) |
|
887 { |
|
888 if ((aIndex >= mData->mHighlightIndex) && (aIndex <= rightIndex)) |
|
889 { |
|
890 aRelativeIndex = highlightRelativeIndex + (aIndex - mData->mHighlightIndex); |
|
891 return true; |
|
892 } |
|
893 } |
|
894 else |
|
895 { |
|
896 if (aIndex >= mData->mHighlightIndex) |
|
897 { |
|
898 aRelativeIndex = highlightRelativeIndex + (aIndex - mData->mHighlightIndex); |
|
899 return true; |
|
900 } |
|
901 rightIndex = rightIndex - totalVisual; |
|
902 if (aIndex <= rightIndex) |
|
903 { |
|
904 aRelativeIndex = highlightRelativeIndex + noOfVisuals - (rightIndex - aIndex); |
|
905 return true; |
|
906 } |
|
907 } |
|
908 |
|
909 return false; |
|
910 } |
|
911 |
|
912 |
|
913 // --------------------------------------------------------------------------- |
|
914 // RelativeToAbsolute |
|
915 // --------------------------------------------------------------------------- |
|
916 // |
|
917 int MulCoverFlowControl::RelativeToAbsolute(const int aRelativeIndex) |
|
918 { |
|
919 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::RelativeToAbsolute"); |
|
920 int highlightRelativeIndex = mData->mNumVisibleItem; |
|
921 int absolute = -1; |
|
922 int totalVisuals = TotalModelCount(); |
|
923 if(totalVisuals <= 0) |
|
924 { |
|
925 // absolute index is always -1, so no need of any calculations |
|
926 } |
|
927 else if(totalVisuals < 2*mData->mNumVisibleItem + 1) |
|
928 { |
|
929 if(aRelativeIndex == highlightRelativeIndex) |
|
930 { |
|
931 absolute = mData->mHighlightIndex; |
|
932 } |
|
933 else |
|
934 { |
|
935 if(mData->mNumVisibleItem == 1) |
|
936 { |
|
937 if (totalVisuals == 1) |
|
938 { |
|
939 absolute = -1; |
|
940 } |
|
941 else if(totalVisuals == 2) |
|
942 { |
|
943 absolute = mData->mHighlightIndex + 1; |
|
944 absolute = absolute >= totalVisuals ? 0 : absolute; |
|
945 } |
|
946 } |
|
947 else |
|
948 { |
|
949 if (totalVisuals == 1) |
|
950 { |
|
951 absolute = -1; |
|
952 } |
|
953 else if(totalVisuals == 2) |
|
954 { |
|
955 absolute = mData->mHighlightIndex + (aRelativeIndex - highlightRelativeIndex); |
|
956 absolute = absolute >= totalVisuals ? -1 : absolute; |
|
957 } |
|
958 else // totalvisuals > 3 |
|
959 { |
|
960 if(aRelativeIndex - highlightRelativeIndex > 0) |
|
961 { |
|
962 absolute = mData->mHighlightIndex + aRelativeIndex - highlightRelativeIndex; |
|
963 } |
|
964 else |
|
965 { |
|
966 absolute = mData->mHighlightIndex + aRelativeIndex - highlightRelativeIndex |
|
967 + TotalModelCount(); |
|
968 } |
|
969 absolute = absolute >= totalVisuals ? absolute - totalVisuals : absolute; |
|
970 } |
|
971 } |
|
972 } |
|
973 } |
|
974 else |
|
975 { |
|
976 if(aRelativeIndex == highlightRelativeIndex) |
|
977 { |
|
978 absolute = mData->mHighlightIndex; |
|
979 } |
|
980 else if (aRelativeIndex > highlightRelativeIndex) |
|
981 { |
|
982 absolute = mData->mHighlightIndex + (aRelativeIndex - highlightRelativeIndex); |
|
983 absolute = absolute >= totalVisuals ? (absolute - totalVisuals) : absolute; |
|
984 } |
|
985 else |
|
986 { |
|
987 absolute = mData->mHighlightIndex - (highlightRelativeIndex - aRelativeIndex); |
|
988 absolute = absolute <0 ? (totalVisuals + absolute) : absolute; |
|
989 absolute = absolute > totalVisuals - 1 ? -1 : absolute; |
|
990 } |
|
991 } |
|
992 return absolute; |
|
993 } |
|
994 |
|
995 |
|
996 // --------------------------------------------------------------------------- |
|
997 // TotalModelCount |
|
998 // --------------------------------------------------------------------------- |
|
999 // |
|
1000 int MulCoverFlowControl::TotalModelCount() |
|
1001 { |
|
1002 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::TotalModelCount"); |
|
1003 |
|
1004 IMulModelAccessor* accessor = static_cast<IMulModelAccessor*>(widget()->model()); |
|
1005 if(accessor) |
|
1006 { |
|
1007 return accessor->CurrentItemCount(); |
|
1008 } |
|
1009 return -1; |
|
1010 } |
|
1011 |
|
1012 // --------------------------------------------------------------------------- |
|
1013 // HandleModelCountChange |
|
1014 // --------------------------------------------------------------------------- |
|
1015 // |
|
1016 void MulCoverFlowControl::HandleModelCountChange() |
|
1017 { |
|
1018 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::HandleModelCountChange"); |
|
1019 IMulModelAccessor* accessor = static_cast<IMulModelAccessor*>(widget()->model()); |
|
1020 if(accessor) |
|
1021 { |
|
1022 if(TotalModelCount() < (2*mData->mNumVisibleItem + 1)) |
|
1023 { |
|
1024 mData->mBaseElement->UpdateVisuals(); |
|
1025 } |
|
1026 mData->mBaseElement->UpdateSliderTick( TotalModelCount() ); |
|
1027 mData->mBaseElement->SetCounterText(); |
|
1028 } |
|
1029 } |
|
1030 |
|
1031 // --------------------------------------------------------------------------- |
|
1032 // modelAccessor |
|
1033 // --------------------------------------------------------------------------- |
|
1034 // |
|
1035 IMulModelAccessor* MulCoverFlowControl::ModelAccessor() |
|
1036 { |
|
1037 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::ModelAccessor"); |
|
1038 if(widget()) |
|
1039 { |
|
1040 return static_cast<IMulModelAccessor*>(widget()->model()); |
|
1041 } |
|
1042 return NULL; |
|
1043 } |
|
1044 |
|
1045 // --------------------------------------------------------------------------- |
|
1046 // ModelChanged |
|
1047 // --------------------------------------------------------------------------- |
|
1048 // |
|
1049 void MulCoverFlowControl::ModelChanged( IMulModelAccessor* aAccessor ) |
|
1050 { |
|
1051 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::ModelChanged"); |
|
1052 Env().CancelCustomCommands(this); |
|
1053 // update the highlight index as well as the no of item. |
|
1054 mData->mHighlightIndex = aAccessor->Highlight(); |
|
1055 |
|
1056 CAlfLayout* main = (CAlfLayout*) mData->mBaseElement->findVisual( KMainLayoutIndex ); |
|
1057 int width = main->Size().Target().AsSize().iWidth; |
|
1058 int height = main->Size().Target().AsSize().iHeight; |
|
1059 |
|
1060 if( width == 0 && height == 0 ) |
|
1061 { |
|
1062 return; |
|
1063 } |
|
1064 else |
|
1065 { |
|
1066 // @todo check if we are setting a new model with the same old template, |
|
1067 // then should we call CreateTemplateElement |
|
1068 mData->mScreenWidth = width; |
|
1069 mData->mScreenHeight = height; |
|
1070 CreateTemplateElement(aAccessor->Template()); |
|
1071 mData->mBaseElement->CreateAndInitializeVisuals(); |
|
1072 aAccessor->SetVisibleWindow( 2 * mData->mCoverFlow2DTemplate->MaxVisibleCount() + 1 |
|
1073 ,WindowTop(mData->mHighlightIndex)); |
|
1074 // For setting or clearing empty text if depending on the new modle count |
|
1075 SendEventToBaseElement( TAlfEvent( EEventWidgetInitialized ) ); |
|
1076 } |
|
1077 } |
|
1078 |
|
1079 |
|
1080 |
|
1081 //-----------------Template Element Creation API's -------------------------- |
|
1082 |
|
1083 // --------------------------------------------------------------------------- |
|
1084 // CreateTemplateElement |
|
1085 // --------------------------------------------------------------------------- |
|
1086 // |
|
1087 void MulCoverFlowControl::CreateTemplateElement( mulwidget::TLogicalTemplate aTemplateName) |
|
1088 { |
|
1089 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::CreateTemplateElement"); |
|
1090 if (aTemplateName == mulwidget::KTemplate1) |
|
1091 { |
|
1092 mData->mCoverFlow2DTemplate.reset( new(EMM) MulCoverFlowTemplate1(*this, *mData->mBaseElement)); |
|
1093 } |
|
1094 else if(aTemplateName == mulwidget::KTemplate4) |
|
1095 { |
|
1096 mData->mCoverFlow2DTemplate.reset( new(EMM) MulCoverFlowTemplate4(*this, *mData->mBaseElement)); |
|
1097 } |
|
1098 else |
|
1099 { |
|
1100 // Invalid template |
|
1101 return; |
|
1102 } |
|
1103 mData->mCoverFlow2DTemplate->CreateVisualisation(IsLandscape()); |
|
1104 // set holding mode to gesture helper. |
|
1105 SetHoldingEnabled(); |
|
1106 } |
|
1107 |
|
1108 |
|
1109 |
|
1110 //--------------Orientation Change Related API's----------------------------- |
|
1111 // --------------------------------------------------------------------------- |
|
1112 // VisualLayoutUpdated |
|
1113 // --------------------------------------------------------------------------- |
|
1114 // |
|
1115 void MulCoverFlowControl::VisualLayoutUpdated (CAlfVisual& aVisual) |
|
1116 { |
|
1117 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::VisualLayoutUpdated"); |
|
1118 |
|
1119 TSize topLayoutSize = aVisual.Size().Target().AsSize(); ; |
|
1120 int height = topLayoutSize.iHeight; |
|
1121 int width = topLayoutSize.iWidth; |
|
1122 |
|
1123 // to avoid unnecessary visual layout updated calls . |
|
1124 // in order to check if the orientation has changed really or not this is done . |
|
1125 if( mData->mScreenWidth == width && height == mData->mScreenHeight ) |
|
1126 { |
|
1127 return; |
|
1128 } |
|
1129 |
|
1130 mData->mScreenWidth = width; |
|
1131 mData->mScreenHeight = height; |
|
1132 |
|
1133 |
|
1134 IMulModelAccessor* accessor = ModelAccessor(); |
|
1135 if(IsLandscape() == mData->mIsLandscape) |
|
1136 { |
|
1137 if(accessor) |
|
1138 { |
|
1139 CreateTemplateElement(accessor->Template()); |
|
1140 mData->mBaseElement->CreateAndInitializeVisuals(); |
|
1141 accessor->SetVisibleWindow( 2 * mData->mCoverFlow2DTemplate->MaxVisibleCount() + 1 |
|
1142 ,WindowTop(mData->mHighlightIndex)); |
|
1143 // For setting or clearing empty text if depending on the new modle count |
|
1144 SendEventToBaseElement( TAlfEvent( EEventWidgetInitialized ) ); |
|
1145 } |
|
1146 else |
|
1147 { |
|
1148 // For null model |
|
1149 // reset the coverflow 2d template to NULL |
|
1150 mData->mCoverFlow2DTemplate.reset(NULL); |
|
1151 } |
|
1152 } |
|
1153 else |
|
1154 { |
|
1155 mData->mIsLandscape = IsLandscape(); |
|
1156 |
|
1157 if(!accessor) |
|
1158 { |
|
1159 mData->mBaseElement->SetDefaultSize(TSize(mData->mScreenWidth,mData->mScreenHeight)); |
|
1160 return; |
|
1161 } |
|
1162 |
|
1163 mData->mBaseElement->OrientationChange(); |
|
1164 // enable or disable hold events depending on whether ECF enabled |
|
1165 SetHoldingEnabled(); |
|
1166 } |
|
1167 |
|
1168 } |
|
1169 |
|
1170 // --------------------------------------------------------------------------- |
|
1171 // RecycleVisuals |
|
1172 // --------------------------------------------------------------------------- |
|
1173 // |
|
1174 void MulCoverFlowControl::RecycleVisuals() |
|
1175 { |
|
1176 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::RecycleVisuals"); |
|
1177 // reset the coverflow 2d template to NULL |
|
1178 mData->mCoverFlow2DTemplate.reset(NULL); |
|
1179 |
|
1180 if(mData->mBaseElement) |
|
1181 { |
|
1182 mData->mBaseElement->RecycleIconVisuals(); |
|
1183 mData->mHighlightIndex = -1; |
|
1184 } |
|
1185 } |
|
1186 |
|
1187 //--------------------------- Gesture ---------------------------------------- |
|
1188 |
|
1189 // --------------------------------------------------------------------------- |
|
1190 // SetHoldingEnabled |
|
1191 // --------------------------------------------------------------------------- |
|
1192 // |
|
1193 void MulCoverFlowControl::SetHoldingEnabled() |
|
1194 { |
|
1195 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::SetHoldingEnabled"); |
|
1196 |
|
1197 mHelper->SetHoldingEnabled(EnhancedModeCondition()); |
|
1198 } |
|
1199 |
|
1200 // --------------------------------------------------------------------------- |
|
1201 // SetDoubleTapEnabled |
|
1202 // --------------------------------------------------------------------------- |
|
1203 // |
|
1204 void MulCoverFlowControl::SetDoubleTapEnabled( bool aValue) |
|
1205 { |
|
1206 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::SetDoubleTapEnabled"); |
|
1207 |
|
1208 mHelper->SetDoubleTapEnabled( aValue ); |
|
1209 } |
|
1210 |
|
1211 // --------------------------------------------------------------------------- |
|
1212 // HandleGestureL |
|
1213 // --------------------------------------------------------------------------- |
|
1214 // |
|
1215 void MulCoverFlowControl::HandleGestureL( const MGestureEvent& aEvent ) |
|
1216 { |
|
1217 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::HandleGestureL"); |
|
1218 if(aEvent.IsHolding()) |
|
1219 { |
|
1220 HandleHoldGestureEvents(aEvent); |
|
1221 } |
|
1222 else |
|
1223 { |
|
1224 HandleNormalGestureEvents(aEvent); |
|
1225 } |
|
1226 } |
|
1227 |
|
1228 // --------------------------------------------------------------------------- |
|
1229 // HandleNormalGestureEvents |
|
1230 // --------------------------------------------------------------------------- |
|
1231 // |
|
1232 void MulCoverFlowControl::HandleNormalGestureEvents( const MGestureEvent& aEvent ) |
|
1233 { |
|
1234 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::HandleNormalGestureEvents"); |
|
1235 |
|
1236 switch ( aEvent.Code(MGestureEvent::EAxisHorizontal) ) |
|
1237 { |
|
1238 case EGestureStart: |
|
1239 { |
|
1240 SendFeedbackOnTouchDown(aEvent); |
|
1241 } |
|
1242 break; |
|
1243 case EGestureDrag: // fall through |
|
1244 { |
|
1245 MUL_LOG_INFO("MUL::MulCoverFlowControl:HandleNormalGestureEvents EGestureDrag"); |
|
1246 if( aEvent.CurrentPos().iX > mData->mScreenWidth ) |
|
1247 { |
|
1248 return; |
|
1249 } |
|
1250 |
|
1251 if(TotalModelCount() > 0 ) |
|
1252 { |
|
1253 // if ui is on send event to applications |
|
1254 if( mData->mCoverFlow2DTemplate->IsUiOnOffFlagEnabled() && |
|
1255 (mData->mBaseElement->IsUiOnMode()) ) |
|
1256 { |
|
1257 CAlfWidgetControl::processEvent( TAlfEvent( ETypeSwitchUiStateOnDrag )); |
|
1258 } |
|
1259 |
|
1260 if (mData->mBounceInProgress && TotalModelCount() > 2) |
|
1261 { |
|
1262 mData->mBounceInProgress = false; |
|
1263 Env().CancelCustomCommands(this); |
|
1264 // bounce canceled once .dont bounce again for the next swipe. |
|
1265 mData->mDontBounce = true; |
|
1266 } |
|
1267 |
|
1268 int distance = aEvent.Distance().iX ; |
|
1269 mData->mCurrGestureDir = distance;//CovertDistAnceToDirection(distance); |
|
1270 if (mData->mIsMirrored) |
|
1271 { |
|
1272 distance = -distance; |
|
1273 } |
|
1274 mData->mReferencePoint = aEvent.CurrentPos().iX - 10; //pointerDownPos + distanceTravelled/2; |
|
1275 |
|
1276 mData->mBaseElement->StartDoodling(distance); |
|
1277 } |
|
1278 break; |
|
1279 } |
|
1280 |
|
1281 case EGestureTap: |
|
1282 { |
|
1283 MUL_LOG_INFO("MUL::MulCoverFlowControl:HandleNormalGestureEvents EGestureTap "); |
|
1284 HandleSingleTap(aEvent); |
|
1285 break; |
|
1286 } |
|
1287 |
|
1288 case EGestureDoubleTap: |
|
1289 { |
|
1290 MUL_LOG_INFO("MUL::MulCoverFlowControl:HandleNormalGestureEvents EGestureDoubleTap "); |
|
1291 if(TotalModelCount() <= 0 ) |
|
1292 { |
|
1293 //find out whether event should be sent on double tap or not |
|
1294 // in case of empty model and the feedback too. |
|
1295 break; |
|
1296 } |
|
1297 MulDoubleTapData doubleTapData; |
|
1298 // Finding the visual which has been hit . |
|
1299 CAlfVisual* hitVisual = aEvent.Visual(); |
|
1300 if(hitVisual && (hitVisual->Tag() == KCoverflowIndicator) ) |
|
1301 { |
|
1302 doubleTapData.mTapVisualIndex = mData->mHighlightIndex ; |
|
1303 } |
|
1304 else |
|
1305 { |
|
1306 int hitVisualIndex = GetHitVisualIndex( hitVisual ); |
|
1307 if( hitVisualIndex == -1 ) |
|
1308 { |
|
1309 break; |
|
1310 } |
|
1311 doubleTapData.mTapVisualIndex = hitVisualIndex; |
|
1312 } |
|
1313 doubleTapData.mDoubleTapPoint = aEvent.CurrentPos(); |
|
1314 |
|
1315 mFeedback->InstantFeedback(ETouchFeedbackBasic); |
|
1316 CAlfWidgetControl::processEvent ( TAlfEvent ( ETypeDoubleTap, |
|
1317 uint(&doubleTapData))); |
|
1318 break; |
|
1319 } |
|
1320 |
|
1321 case EGestureUnknown : |
|
1322 { |
|
1323 MUL_LOG_INFO("MUL::MulCoverFlowControl:HandleNormalGestureEvents EGestureUnknown"); |
|
1324 if(TotalModelCount() > 0 ) |
|
1325 { |
|
1326 // this will revert to the original position if gesture get cancelled |
|
1327 // with some animation time. |
|
1328 // @TODO animation time should be same as set by application. |
|
1329 mData->mBaseElement->StopDoodling(200); |
|
1330 } |
|
1331 break; |
|
1332 } |
|
1333 |
|
1334 case EGestureSwipeLeft: |
|
1335 { |
|
1336 MUL_LOG_INFO("MUL::MulCoverFlowControl:HandleNormalGestureEvents EGestureSwipeLeft"); |
|
1337 if(TotalModelCount() > 0 ) |
|
1338 { |
|
1339 // do the calculations for changing teh higlight left or right depnding on last direction |
|
1340 // and the total direction moved. |
|
1341 int finalSwipeDirection = mData->mBaseElement->FinalSwipeDirection( |
|
1342 TotalSwipeDistance(aEvent),EEventScrollRight); |
|
1343 |
|
1344 HandleSwipe(finalSwipeDirection); |
|
1345 } |
|
1346 break; |
|
1347 } |
|
1348 |
|
1349 case EGestureSwipeRight: |
|
1350 { |
|
1351 MUL_LOG_INFO("MUL::MulCoverFlowControl:HandleNormalGestureEvents EGestureSwipeRight"); |
|
1352 if(TotalModelCount() > 0 ) |
|
1353 { |
|
1354 int finalSwipeDirection = mData->mBaseElement->FinalSwipeDirection( |
|
1355 TotalSwipeDistance(aEvent),EEventScrollLeft); |
|
1356 |
|
1357 HandleSwipe(finalSwipeDirection); |
|
1358 } |
|
1359 break; |
|
1360 } |
|
1361 case EGestureMultiTouchStart: |
|
1362 { |
|
1363 MUL_LOG_INFO("MUL::MulCoverFlowControl:HandleNormalGestureEvents EGestureMultiTouchStart"); |
|
1364 mData->mBaseElement->StopDoodling(0); |
|
1365 break; |
|
1366 } |
|
1367 case EGestureMultiTouchReleased: |
|
1368 MUL_LOG_INFO("MUL::MulCoverFlowControl:HandleNormalGestureEvents EGestureMultiTouchReleased"); |
|
1369 break; |
|
1370 case EGesturePinch: |
|
1371 MUL_LOG_INFO("MUL::MulCoverFlowControl:HandleNormalGestureEvents EGesturePinch"); |
|
1372 CAlfWidgetControl::processEvent ( TAlfEvent ( ETypePinch,aEvent.PinchPercent())); |
|
1373 break; |
|
1374 case EGestureReleased: |
|
1375 { |
|
1376 MUL_LOG_INFO("MUL::MulCoverFlowControl:HandleNormalGestureEvents EGestureReleased"); |
|
1377 mFeedback->InstantFeedback(ETouchFeedbackBasic); |
|
1378 break; |
|
1379 } |
|
1380 default: |
|
1381 break; |
|
1382 } // end of switch |
|
1383 } |
|
1384 |
|
1385 // --------------------------------------------------------------------------- |
|
1386 // TotalSwipeDistance |
|
1387 // --------------------------------------------------------------------------- |
|
1388 // |
|
1389 int MulCoverFlowControl::TotalSwipeDistance( const GestureHelper::MGestureEvent& aEvent ) |
|
1390 { |
|
1391 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::TotalSwipeDistance"); |
|
1392 if( aEvent.CurrentPos().iX > mData->mScreenWidth ) |
|
1393 { |
|
1394 return aEvent.Distance().iX - (aEvent.CurrentPos().iX - mData->mScreenWidth); |
|
1395 } |
|
1396 return aEvent.Distance().iX; |
|
1397 } |
|
1398 |
|
1399 // --------------------------------------------------------------------------- |
|
1400 // GetHitVisualIndex |
|
1401 // --------------------------------------------------------------------------- |
|
1402 // |
|
1403 int MulCoverFlowControl::GetHitVisualIndex( CAlfVisual* aHitVisual ) |
|
1404 { |
|
1405 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::GetHitVisualIndex"); |
|
1406 int visualIndex = -1; |
|
1407 |
|
1408 if(!aHitVisual) |
|
1409 { |
|
1410 // no visual found |
|
1411 return -1; |
|
1412 } |
|
1413 #ifdef _DEBUG |
|
1414 const TDesC8& buffer = aHitVisual->Tag(); |
|
1415 #endif |
|
1416 |
|
1417 if ((aHitVisual->Tag() != KCoverflowIcon)) |
|
1418 { |
|
1419 visualIndex = -1; |
|
1420 } |
|
1421 else |
|
1422 { |
|
1423 if(mData->mNumVisibleItem > 1) |
|
1424 { |
|
1425 CAlfLayout& iconFlow =mData->mBaseElement->FlowLayout( KIconFlowLayoutIndex ); |
|
1426 CAlfVisual* imgVisual = NULL; |
|
1427 for(int i=2; i<=4;i++) |
|
1428 { |
|
1429 imgVisual = iconFlow.Visual(i).FindTag(KCoverflowIcon); |
|
1430 if (imgVisual == aHitVisual) |
|
1431 { |
|
1432 visualIndex = RelativeToAbsolute(i); |
|
1433 break; |
|
1434 } |
|
1435 } |
|
1436 } |
|
1437 else |
|
1438 { |
|
1439 visualIndex = mData->mHighlightIndex; |
|
1440 } |
|
1441 } |
|
1442 return visualIndex; |
|
1443 } |
|
1444 |
|
1445 |
|
1446 // --------------------------------------------------------------------------- |
|
1447 // HandleSingleTap |
|
1448 // --------------------------------------------------------------------------- |
|
1449 // |
|
1450 void MulCoverFlowControl::HandleSingleTap(const MGestureEvent& aEvent) |
|
1451 { |
|
1452 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::HandleSingleTap"); |
|
1453 |
|
1454 if(TotalModelCount() <= 0 ) |
|
1455 { |
|
1456 // in case of empty model and null model only when the empty text is set |
|
1457 // then only the selection event should be sent to the applications. |
|
1458 if( mData->mBaseElement->IsEmptyText() ) |
|
1459 { |
|
1460 SetSelection(-1); |
|
1461 } |
|
1462 // In case of null model and empty model if the empty text is not set then no need to calculate |
|
1463 //the hit visual index . Doest serve any purpose. |
|
1464 } |
|
1465 else |
|
1466 { |
|
1467 // Finding the visual which has been hit . |
|
1468 CAlfVisual* hitVisual = aEvent.Visual(); |
|
1469 if(hitVisual && (hitVisual->Tag() == KCoverflowIndicator) ) |
|
1470 { |
|
1471 CAlfWidgetControl::processEvent( TAlfEvent( EVideoIconSelect )); |
|
1472 return; |
|
1473 } |
|
1474 int hitVisualIndex = GetHitVisualIndex( hitVisual ); |
|
1475 if( hitVisualIndex > -1 ) |
|
1476 { |
|
1477 if( hitVisualIndex == mData->mHighlightIndex ) |
|
1478 { |
|
1479 SetSelection(mData->mHighlightIndex ); |
|
1480 } |
|
1481 else |
|
1482 { |
|
1483 //set the highlight in model |
|
1484 if(TotalModelCount() > 2 && hitVisualIndex == TotalModelCount()-1 |
|
1485 && mData->mHighlightIndex == 0) |
|
1486 { |
|
1487 HandleNavigationEvent ( EEventScrollLeft ); |
|
1488 } |
|
1489 else if(TotalModelCount() > 2 && mData->mHighlightIndex == TotalModelCount()-1 |
|
1490 && hitVisualIndex == 0) |
|
1491 { |
|
1492 HandleNavigationEvent ( EEventScrollRight ); |
|
1493 } |
|
1494 else if(hitVisualIndex > mData->mHighlightIndex) |
|
1495 { |
|
1496 HandleNavigationEvent ( EEventScrollRight ); |
|
1497 } |
|
1498 else |
|
1499 { |
|
1500 HandleNavigationEvent ( EEventScrollLeft ); |
|
1501 } |
|
1502 } |
|
1503 } |
|
1504 } |
|
1505 } |
|
1506 |
|
1507 // --------------------------------------------------------------------------- |
|
1508 // SendFeedbackOnTouchDown |
|
1509 // --------------------------------------------------------------------------- |
|
1510 // |
|
1511 void MulCoverFlowControl::SendFeedbackOnTouchDown(const MGestureEvent& aEvent) |
|
1512 { |
|
1513 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::SendFeedbackOnTouchDown"); |
|
1514 |
|
1515 IMulModelAccessor* modelaccessor = ModelAccessor(); |
|
1516 if(!modelaccessor || modelaccessor->CurrentItemCount() == 0) |
|
1517 { |
|
1518 return; |
|
1519 } |
|
1520 CAlfVisual* hitVisual = aEvent.Visual(); |
|
1521 if((hitVisual && hitVisual->Tag() == KCoverflowIcon) || (mData->mCoverFlow2DTemplate->IsUiOnOffFlagEnabled() )) |
|
1522 { |
|
1523 mFeedback->InstantFeedback(ETouchFeedbackBasic); |
|
1524 } |
|
1525 } |
|
1526 // --------------------------------------------------------------------------- |
|
1527 // HandleSwipe |
|
1528 // Handle the swipe events (swipe left and swipe right) provided by the gesture helper. |
|
1529 // Also handles the extreme doodling case (it may happen that in doodling you can move two |
|
1530 // or three highlight before doing a pointer up) but gesture only gives us a swipe left and |
|
1531 // swipe right event. so we have to decide the no of highlight movement to do while getting |
|
1532 // left or right event. |
|
1533 // Also for 2 or 3 highlight movement if the 1st or 2nd highlight movement is the cycling case |
|
1534 // then we have to cancel the bounce as its already happend because of swipe. But the bounce |
|
1535 // will happen if the final highlight change is a cyclic case. |
|
1536 // --------------------------------------------------------------------------- |
|
1537 // |
|
1538 void MulCoverFlowControl::HandleSwipe(int aEvent) |
|
1539 { |
|
1540 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::HandleSwipe"); |
|
1541 int event; |
|
1542 if(aEvent == EItemScrollLeft) |
|
1543 { |
|
1544 if (mData->mIsMirrored) |
|
1545 { |
|
1546 event = EEventScrollRight; |
|
1547 } |
|
1548 else |
|
1549 { |
|
1550 event = EEventScrollLeft; |
|
1551 } |
|
1552 } |
|
1553 else if(aEvent == EItemScrollRight) |
|
1554 { |
|
1555 if (mData->mIsMirrored) |
|
1556 { |
|
1557 event = EEventScrollLeft; |
|
1558 } |
|
1559 else |
|
1560 { |
|
1561 event = EEventScrollRight; |
|
1562 } |
|
1563 } |
|
1564 else |
|
1565 { |
|
1566 mData->mBaseElement->StopDoodling(200); |
|
1567 return; |
|
1568 } |
|
1569 |
|
1570 if(mData->mBaseElement->NumberOfSwipes() == EDoubleSwipe || mData->mBaseElement->NumberOfSwipes() == ETripleSwipe) |
|
1571 { |
|
1572 // done to avoid undesirable ui behaviour when we move the pointer little back. |
|
1573 // check if it can be done in another way. |
|
1574 CAlfEnv& env = Env(); |
|
1575 TAlfRefreshMode oldRefreshMode = env.RefreshMode(); |
|
1576 env.SetRefreshMode(EAlfRefreshModeManual); |
|
1577 if(mData->mBaseElement->NumberOfSwipes() == ETripleSwipe) |
|
1578 { |
|
1579 HandleNavigationEvent( event ); |
|
1580 } |
|
1581 HandleNavigationEvent( event ); |
|
1582 env.SetRefreshMode(oldRefreshMode); |
|
1583 } |
|
1584 // Commented feedback for swipe event |
|
1585 //mFeedback->InstantFeedback(ETouchFeedbackBasic); |
|
1586 HandleNavigationEvent( event ); |
|
1587 } |
|
1588 |
|
1589 // --------------------------------------------------------------------------- |
|
1590 // HandleHoldGestureEvents |
|
1591 // --------------------------------------------------------------------------- |
|
1592 // |
|
1593 void MulCoverFlowControl::HandleHoldGestureEvents( const MGestureEvent& aEvent ) |
|
1594 { |
|
1595 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::HandleHoldGestureEvents"); |
|
1596 |
|
1597 switch ( aEvent.Code(MGestureEvent::EAxisHorizontal) ) |
|
1598 { |
|
1599 case EGestureDrag: |
|
1600 { |
|
1601 MUL_LOG_INFO("MUL::MulCoverFlowControl:HandleHoldGestureEvents EGestureDrag"); |
|
1602 |
|
1603 ReverseDirectionInFastScroll(aEvent); |
|
1604 |
|
1605 /// @todo The strip direction intially should start with the current gesture direction. |
|
1606 // But if u keep dragging without releasing the pointer tehn the directioon should chnage whenever |
|
1607 // the pointer crosses the centre of the screen. |
|
1608 |
|
1609 // if the pointer has crossed the centre position after holding started then the |
|
1610 // direction should depend on which half of teh screen |
|
1611 // else |
|
1612 // the direction should depend on the swipe direction |
|
1613 StartMoving(aEvent); |
|
1614 break; |
|
1615 } |
|
1616 |
|
1617 case EGestureReleased: |
|
1618 case EGestureTap: |
|
1619 { |
|
1620 MUL_LOG_INFO("MUL::MulCoverFlowControl:HandleHoldGestureEvents EGestureReleased"); |
|
1621 HandleEnhancedStop(); |
|
1622 break; |
|
1623 } |
|
1624 |
|
1625 case EGestureHoldLeft: |
|
1626 case EGestureHoldRight: |
|
1627 { |
|
1628 MUL_LOG_INFO("MUL::MulCoverFlowControl:HandleHoldGestureEvents EGestureHoldLeft"); |
|
1629 if( EnhancedModeCondition() ) |
|
1630 { |
|
1631 EnhancedStarted( aEvent ); |
|
1632 } |
|
1633 break; |
|
1634 } |
|
1635 |
|
1636 default: |
|
1637 break; |
|
1638 } // end of switch |
|
1639 |
|
1640 } |
|
1641 |
|
1642 // --------------------------------------------------------------------------- |
|
1643 // ReverseDirectionInFastSrroll |
|
1644 // --------------------------------------------------------------------------- |
|
1645 // |
|
1646 void MulCoverFlowControl::ReverseDirectionInFastScroll(const MGestureEvent& aEvent) |
|
1647 { |
|
1648 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::ReverseDirectionInFastScroll"); |
|
1649 |
|
1650 int distTravelled = aEvent.Distance().iX; |
|
1651 int pointerDownPos = aEvent.StartPos().iX; |
|
1652 int currPosition = aEvent.CurrentPos().iX; |
|
1653 int prevGestureDir = ConvertDistanceToDirection(mData->mCurrGestureDir); |
|
1654 |
|
1655 // if the distance travelled is negative i.e from right to left and the start position is on |
|
1656 // the right half of the screen and the direction has not changed yet , then special case to handle reference point. and vice versa |
|
1657 // case for left half of the screen. |
|
1658 if( ((distTravelled < 0 && pointerDownPos > mData->mScreenWidth/2 ) || (distTravelled > 0 && |
|
1659 pointerDownPos < mData->mScreenWidth/2 )) && mData->mReferencePoint != mData->mScreenWidth/2) |
|
1660 { |
|
1661 if( mData->mDirectionChanged ) |
|
1662 { |
|
1663 return; |
|
1664 } |
|
1665 |
|
1666 ChangeDirReferencePoint(currPosition,distTravelled); |
|
1667 } |
|
1668 else |
|
1669 { |
|
1670 // else the reference point will be the middle of the screen. |
|
1671 |
|
1672 // if the direction is not equal .. just check whether it has crossed the reference point. |
|
1673 // how to check whether it has crossed the reference point. |
|
1674 if(( prevGestureDir < 0 && currPosition > mData->mReferencePoint )||(prevGestureDir > 0 && currPosition < mData->mReferencePoint)) |
|
1675 { |
|
1676 mData->mCurrGestureDir *= -1; |
|
1677 } |
|
1678 |
|
1679 mData->mReferencePoint = mData->mScreenWidth/2; |
|
1680 } |
|
1681 } |
|
1682 |
|
1683 // --------------------------------------------------------------------------- |
|
1684 // ChangeDirReferencePoint |
|
1685 // --------------------------------------------------------------------------- |
|
1686 // |
|
1687 void MulCoverFlowControl::ChangeDirReferencePoint(int aCurrPosition, int aDistanceTravelled ) |
|
1688 { |
|
1689 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::ChangeDirReferencePoint"); |
|
1690 |
|
1691 int prevGestureDir = ConvertDistanceToDirection(mData->mCurrGestureDir); |
|
1692 int currGestureDir = ConvertDistanceToDirection(aDistanceTravelled); |
|
1693 |
|
1694 if( prevGestureDir != currGestureDir ) |
|
1695 { |
|
1696 // if the direction is not equal .. just check whether it has crossed the reference point. |
|
1697 // how to check whether it has crossed the reference point. |
|
1698 if(( prevGestureDir < 0 && aCurrPosition > mData->mReferencePoint )||(prevGestureDir > 0 && aCurrPosition < mData->mReferencePoint)) |
|
1699 { |
|
1700 //crossed the reference point first time .now no need to maintain the reference point .its always half of the screen |
|
1701 mData->mReferencePoint = mData->mScreenWidth/2; |
|
1702 mData->mDirectionChanged = true; |
|
1703 mData->mCurrGestureDir = aDistanceTravelled; |
|
1704 } |
|
1705 else |
|
1706 { |
|
1707 // not crossed the reference point yet |
|
1708 // still going in the same direction . |
|
1709 mData->mReferencePoint = aCurrPosition - 10; |
|
1710 } |
|
1711 } |
|
1712 else |
|
1713 { |
|
1714 // still going in the same direction . |
|
1715 if(( prevGestureDir < 0 && aCurrPosition < mData->mScreenWidth/2 )||(prevGestureDir > 0 |
|
1716 && aCurrPosition > mData->mScreenWidth/2)) |
|
1717 { |
|
1718 mData->mReferencePoint = mData->mScreenWidth/2; |
|
1719 } |
|
1720 else if(Abs(mData->mCurrGestureDir) < Abs(aDistanceTravelled) ) |
|
1721 { |
|
1722 // moving in the same direction in the increasing side towards the middle of the screen but hasnt |
|
1723 // crossed the reference point yet. |
|
1724 mData->mReferencePoint = aCurrPosition - 10; |
|
1725 } |
|
1726 } |
|
1727 } |
|
1728 |
|
1729 // --------------------------------------------------------------------------- |
|
1730 // ConvertDistanceToDirection |
|
1731 // --------------------------------------------------------------------------- |
|
1732 // |
|
1733 int MulCoverFlowControl::ConvertDistanceToDirection( int aDistance ) |
|
1734 { |
|
1735 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::ConvertDistanceToDirection"); |
|
1736 return aDistance>0?1:-1; |
|
1737 } |
|
1738 |
|
1739 // --------------------------------------------------------------------------- |
|
1740 // HandleEnhancedStop |
|
1741 // --------------------------------------------------------------------------- |
|
1742 // |
|
1743 void MulCoverFlowControl::HandleEnhancedStop() |
|
1744 { |
|
1745 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::HandleEnhancedStop"); |
|
1746 |
|
1747 CAlfWidgetControl::processEvent( TAlfEvent( ETypeFastScroll,EScrollStop )); |
|
1748 mCoverFlowAo->StopMoving(); |
|
1749 mData->mFastScroll = false; |
|
1750 mData->mGestureSpeed = 0; |
|
1751 // @TODO animation time should be same as set by the application. |
|
1752 mData->mBaseElement->MoveVisuals(0,200); |
|
1753 } |
|
1754 |
|
1755 // --------------------------------------------------------------------------- |
|
1756 // FastScrollTransitionTime |
|
1757 // --------------------------------------------------------------------------- |
|
1758 // |
|
1759 int MulCoverFlowControl::FastScrollTransitionTime() |
|
1760 { |
|
1761 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::FastScrollTransitionTime"); |
|
1762 if (mData->mBounceInProgress) |
|
1763 { |
|
1764 return 800; |
|
1765 } |
|
1766 else |
|
1767 { |
|
1768 return mCoverFlowAo->FastScrollTransitionTime(); |
|
1769 } |
|
1770 } |
|
1771 |
|
1772 |
|
1773 // --------------------------------------------------------------------------- |
|
1774 // EnhancedModeCondition |
|
1775 // --------------------------------------------------------------------------- |
|
1776 // |
|
1777 bool MulCoverFlowControl::EnhancedModeCondition() |
|
1778 { |
|
1779 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::EnhancedMode"); |
|
1780 if( !mData->mCoverFlow2DTemplate.get() ) |
|
1781 { |
|
1782 return false; |
|
1783 } |
|
1784 UString orientation = IsLandscape() ? UString(KLandscape) : UString(KPortrait); |
|
1785 |
|
1786 // If EMulWidgetFlagFastScroll is not set, |
|
1787 // or the current orientation is not landscape |
|
1788 // or in teh current template enhanced mode is not supported |
|
1789 if( !(((MulCoverFlowWidget*)widget())->IsFlagSet(IMulMultiItemWidget::EMulWidgetFlagFastScroll) |
|
1790 && !orientation.compare(KLandscape) |
|
1791 && mData->mCoverFlow2DTemplate->EnhancedTagParsed()) ) |
|
1792 { |
|
1793 return false; |
|
1794 } |
|
1795 // If template4(i.e. ui on off mode is anabled) then if ui on mode then ecf canot be launched,so return false |
|
1796 else if( mData->mCoverFlow2DTemplate->IsUiOnOffFlagEnabled() && |
|
1797 (mData->mBaseElement->IsUiOnMode()) ) |
|
1798 { |
|
1799 return false; |
|
1800 } |
|
1801 else |
|
1802 { |
|
1803 return true; // enhanced mode enabled |
|
1804 } |
|
1805 } |
|
1806 |
|
1807 // --------------------------------------------------------------------------- |
|
1808 // EnhancedStarted |
|
1809 // --------------------------------------------------------------------------- |
|
1810 // |
|
1811 void MulCoverFlowControl::EnhancedStarted(const GestureHelper::MGestureEvent& aEvent ) |
|
1812 { |
|
1813 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::EnhancedStarted"); |
|
1814 CAlfWidgetControl::processEvent( TAlfEvent( ETypeFastScroll,EScrollStart )); |
|
1815 mData->mFastScroll = true; |
|
1816 StartMoving(aEvent); |
|
1817 } |
|
1818 |
|
1819 // --------------------------------------------------------------------------- |
|
1820 // StartMoving |
|
1821 // --------------------------------------------------------------------------- |
|
1822 // |
|
1823 void MulCoverFlowControl::StartMoving( const GestureHelper::MGestureEvent& aEvent ) |
|
1824 { |
|
1825 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::StartMoving"); |
|
1826 |
|
1827 TRealPoint speedPoint = GestureSpeed( aEvent ); |
|
1828 int distance = mData->mCurrGestureDir; |
|
1829 if (mData->mIsMirrored) |
|
1830 { |
|
1831 distance = -distance; |
|
1832 } |
|
1833 mCoverFlowAo->StartMoving(speedPoint.iX, ConvertDistanceToDirection(distance) ); |
|
1834 mData->mGestureSpeed = speedPoint.iX; |
|
1835 } |
|
1836 |
|
1837 // --------------------------------------------------------------------------- |
|
1838 // GestureSpeed |
|
1839 // --------------------------------------------------------------------------- |
|
1840 // |
|
1841 TRealPoint MulCoverFlowControl::GestureSpeed( const MGestureEvent& aEvent ) |
|
1842 { |
|
1843 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::GestureSpeed"); |
|
1844 |
|
1845 TRect area(this->DisplayArea()); |
|
1846 TRect rect(TPoint(0,0),TPoint(area.Width(),area.Height())); |
|
1847 return aEvent.SpeedPercent( rect ); |
|
1848 } |
|
1849 |
|
1850 //--------------------Slider related functions---------------------------- |
|
1851 |
|
1852 // --------------------------------------------------------------------------- |
|
1853 // CreateSliderWidget |
|
1854 // --------------------------------------------------------------------------- |
|
1855 // |
|
1856 IAlfWidget* MulCoverFlowControl::CreateSliderWidget() |
|
1857 { |
|
1858 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::CreateSliderWidget"); |
|
1859 |
|
1860 IAlfWidgetFactory& widgetFactory = AlfWidgetEnvExtension::widgetFactory(Env()); |
|
1861 IAlfWidget* sliderWidget = widgetFactory.findWidget( KNameSliderWidget ); |
|
1862 |
|
1863 if( sliderWidget ) |
|
1864 { |
|
1865 mSliderWidget = static_cast<IMulSliderWidget*>(sliderWidget); |
|
1866 mData->mBaseElement->UpdateSliderTick( 1 ); |
|
1867 } |
|
1868 else |
|
1869 { |
|
1870 // Get the template Id in Integer from your template data |
|
1871 //NOTE: Set template takes int as parameter not UString |
|
1872 |
|
1873 // Slider Widget creation |
|
1874 mSliderWidget = widgetFactory.createWidget<IMulSliderWidget> ( KNameSliderWidget, KNameSliderWidget, *widget()->parent(), NULL); |
|
1875 IMulSliderModel* mSliderModel = widgetFactory.createModel<IMulSliderModel> ("mulslidermodel"); |
|
1876 mSliderWidget->setModel(mSliderModel, true); |
|
1877 mSliderModel->SetTemplate(ESliderTemplate1); |
|
1878 mSliderWidget->SetHandleKeyEvent(false); |
|
1879 mSliderWidget->control()->disableState(IAlfWidgetControl::Focusable); |
|
1880 } |
|
1881 |
|
1882 IAlfWidgetEventHandler* coverFlowEventHandler = static_cast<IAlfWidgetEventHandler*> ( |
|
1883 mData->mBaseElement->makeInterface( IAlfWidgetEventHandler::type() ) ); |
|
1884 |
|
1885 //Register the slidereventhandler and coverfloweventhandler with one another |
|
1886 mSliderWidget->control()->addEventHandler((coverFlowEventHandler)); |
|
1887 |
|
1888 return mSliderWidget; |
|
1889 } |
|
1890 |
|
1891 // --------------------------------------------------------------------------- |
|
1892 // GetSliderWidget |
|
1893 // --------------------------------------------------------------------------- |
|
1894 // |
|
1895 IAlfWidget* MulCoverFlowControl::GetSliderWidget() |
|
1896 { |
|
1897 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::GetSliderWidget"); |
|
1898 |
|
1899 IAlfWidgetFactory& widgetFactory = AlfWidgetEnvExtension::widgetFactory(*(CAlfEnv::Static())); |
|
1900 return widgetFactory.findWidget( KNameSliderWidget ); |
|
1901 } |
|
1902 |
|
1903 // --------------------------------------------------------------------------- |
|
1904 // GetSliderModel |
|
1905 // --------------------------------------------------------------------------- |
|
1906 // |
|
1907 IMulSliderModel* MulCoverFlowControl::GetSliderModel() |
|
1908 { |
|
1909 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::GetSliderModel"); |
|
1910 if( mSliderWidget ) |
|
1911 { |
|
1912 IMulSliderWidget* mulSliderWidget = static_cast<IMulSliderWidget*>(mSliderWidget); |
|
1913 IMulSliderModel* mulSliderModel = static_cast<IMulSliderModel*>(mulSliderWidget->model()); |
|
1914 return mulSliderModel; |
|
1915 } |
|
1916 return NULL; |
|
1917 } |
|
1918 |
|
1919 // --------------------------------------------------------------------------- |
|
1920 // DestroySlider |
|
1921 // --------------------------------------------------------------------------- |
|
1922 // |
|
1923 void MulCoverFlowControl::DestroySlider() |
|
1924 { |
|
1925 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::DestroySlider"); |
|
1926 |
|
1927 MulBaseElement* baseelement = static_cast<MulBaseElement*>(findElement(KBase)); |
|
1928 if(baseelement) |
|
1929 { |
|
1930 baseelement->RemoveSliderFromLayout(); |
|
1931 } |
|
1932 |
|
1933 IAlfWidgetFactory& widgetFactory = AlfWidgetEnvExtension::widgetFactory(Env()); |
|
1934 IAlfWidget* sliderWidget = widgetFactory.findWidget( KNameSliderWidget ); |
|
1935 if( sliderWidget ) |
|
1936 { |
|
1937 IAlfElement* baseelement = findElement(KBase); |
|
1938 if(baseelement) |
|
1939 { |
|
1940 |
|
1941 IAlfWidgetEventHandler* coverFlowEventHandler = static_cast<IAlfWidgetEventHandler*> ( |
|
1942 baseelement->makeInterface( IAlfWidgetEventHandler::type() ) ); |
|
1943 |
|
1944 if( sliderWidget->control() ) |
|
1945 { |
|
1946 sliderWidget->control()->removeEventHandler(*(coverFlowEventHandler)); |
|
1947 } |
|
1948 |
|
1949 } |
|
1950 } |
|
1951 } |
|
1952 |
|
1953 // --------------------------------------------------------------------------- |
|
1954 // UpdateItemAtIndex |
|
1955 // --------------------------------------------------------------------------- |
|
1956 // |
|
1957 void MulCoverFlowControl::UpdateItemAtIndex(const int aRelativeIndex, int aAnimationTime) |
|
1958 { |
|
1959 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::UpdateItemAtIndex"); |
|
1960 int absoluteIndex = RelativeToAbsolute(aRelativeIndex); |
|
1961 if(absoluteIndex >= 0) |
|
1962 { |
|
1963 UpdateCoverflowItem( absoluteIndex,aRelativeIndex, aAnimationTime ); |
|
1964 } |
|
1965 else |
|
1966 { |
|
1967 SetBlankTexture(aRelativeIndex); |
|
1968 } |
|
1969 } |
|
1970 |
|
1971 // --------------------------------------------------------------------------- |
|
1972 // SetBlankTexture |
|
1973 // --------------------------------------------------------------------------- |
|
1974 // |
|
1975 void MulCoverFlowControl::SetBlankTexture(int aRelativeIndex) |
|
1976 { |
|
1977 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::SetBlankTexture"); |
|
1978 CAlfFlowLayout& iconFlow = static_cast<CAlfFlowLayout&>(mData->mBaseElement->FlowLayout( KIconFlowLayoutIndex )); |
|
1979 |
|
1980 CAlfDeckLayout& layout = static_cast<CAlfDeckLayout&>(iconFlow.Visual(aRelativeIndex)); |
|
1981 CAlfImageVisual* visual =static_cast<CAlfImageVisual*>(layout.FindTag(KCoverflowIcon)); |
|
1982 |
|
1983 CAlfTextureManager& textureMgr = Env().TextureManager(); |
|
1984 TAlfImage blankTexture = textureMgr.BlankTexture(); |
|
1985 visual->SetImage(blankTexture); |
|
1986 |
|
1987 // remove the icon brush if any. |
|
1988 mData->mBaseElement->RemoveBrushOnIcon(*visual); |
|
1989 |
|
1990 CAlfImageVisual* indicatorVisual =static_cast<CAlfImageVisual*>(layout.FindTag(KCoverflowIndicator)); |
|
1991 if(indicatorVisual) |
|
1992 { |
|
1993 indicatorVisual->SetImage(blankTexture); |
|
1994 } |
|
1995 } |
|
1996 |
|
1997 // --------------------------------------------------------------------------- |
|
1998 // UpdateCoverflowItem |
|
1999 // --------------------------------------------------------------------------- |
|
2000 // |
|
2001 void MulCoverFlowControl::UpdateCoverflowItem( int aItemIndex,int aVisualIndex, int aAnimationTime ) |
|
2002 { |
|
2003 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::UpdateCoverflowItem"); |
|
2004 |
|
2005 CAlfFlowLayout& iconFlow = static_cast<CAlfFlowLayout&>(mData->mBaseElement->FlowLayout( KIconFlowLayoutIndex )); |
|
2006 IMulModelAccessor* accessor = static_cast<IMulModelAccessor*>(widget()->model()); |
|
2007 |
|
2008 try |
|
2009 { |
|
2010 const MulVisualItem& item = accessor->Item(aItemIndex); |
|
2011 |
|
2012 CAlfDeckLayout& layout = static_cast<CAlfDeckLayout&>(iconFlow.Visual(aVisualIndex)); |
|
2013 CAlfImageVisual* visual =static_cast<CAlfImageVisual*>(layout.FindTag(KCoverflowIcon)); |
|
2014 IMulVariantType* varData = item.Attribute(mulvisualitem::KMulIcon1); |
|
2015 if(varData && visual) |
|
2016 { |
|
2017 DoSetImage(varData,visual); |
|
2018 mData->mBaseElement->ApplyScaleMode(*visual); |
|
2019 } |
|
2020 else |
|
2021 { |
|
2022 if (mData->mDefaultTextureId >= 0) |
|
2023 { |
|
2024 const CAlfTexture* texture = Env().TextureManager().Texture (mData->mDefaultTextureId); |
|
2025 if(visual) |
|
2026 { |
|
2027 visual->SetImage (TAlfImage (*texture)); |
|
2028 } |
|
2029 mData->mBaseElement->ApplyScaleMode(*visual); |
|
2030 } |
|
2031 else |
|
2032 { |
|
2033 if(visual) |
|
2034 { |
|
2035 visual->SetImage(Env().TextureManager().BlankTexture()); |
|
2036 } |
|
2037 } |
|
2038 } |
|
2039 if(mData->mCoverFlow2DTemplate->IsUiOnOffFlagEnabled() ) |
|
2040 { |
|
2041 mData->mBaseElement->DisplayIndicatorIcon(item,aVisualIndex); |
|
2042 } |
|
2043 } |
|
2044 catch(...) |
|
2045 { |
|
2046 CAlfDeckLayout& layout = static_cast<CAlfDeckLayout&>(iconFlow.Visual(aVisualIndex)); |
|
2047 CAlfImageVisual* visual =static_cast<CAlfImageVisual*>(layout.FindTag(KCoverflowIcon)); |
|
2048 if (mData->mDefaultTextureId >= 0) |
|
2049 { |
|
2050 const CAlfTexture* texture = Env().TextureManager().Texture (mData->mDefaultTextureId); |
|
2051 visual->SetImage (TAlfImage (*texture)); |
|
2052 mData->mBaseElement->ApplyScaleMode(*visual); |
|
2053 } |
|
2054 else |
|
2055 { |
|
2056 visual->SetImage(Env().TextureManager().BlankTexture()); |
|
2057 } |
|
2058 |
|
2059 }//catch ends |
|
2060 // if the item is the highlight item then update the text if required. |
|
2061 if (aVisualIndex == mData->mNumVisibleItem) |
|
2062 { |
|
2063 mData->mBaseElement->UpdateTextValue(aAnimationTime); |
|
2064 } |
|
2065 } |
|
2066 |
|
2067 |
|
2068 // --------------------------------------------------------------------------- |
|
2069 // DoSetImage |
|
2070 // --------------------------------------------------------------------------- |
|
2071 // |
|
2072 void MulCoverFlowControl::DoSetImage(IMulVariantType* aData,CAlfImageVisual* aImgVisual) |
|
2073 { |
|
2074 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::DoSetImage"); |
|
2075 |
|
2076 if ( aData && aData->Type() == IMulVariantType::EDes) |
|
2077 { |
|
2078 TAlfImage image = AlfWidgetEnvExtension::resourcePool( |
|
2079 aImgVisual->Env()).getImageResource((char*)(aData->DesC().Ptr())); |
|
2080 if(image.HasTexture()) |
|
2081 { |
|
2082 aImgVisual->SetImage(image); |
|
2083 } |
|
2084 else if(IsSVGImage(aData->DesC())) |
|
2085 { |
|
2086 LoadImageFromSvg(aData->DesC(),*aImgVisual); |
|
2087 } |
|
2088 else |
|
2089 { |
|
2090 // check if the texture is already loaded |
|
2091 CAlfTextureManager& textureMgr = aImgVisual->Env().TextureManager(); |
|
2092 const TInt existingTextureId = textureMgr.TextureId( aData->DesC() ); |
|
2093 const CAlfTexture* texture = NULL; |
|
2094 |
|
2095 if ( existingTextureId != KErrNotFound ) |
|
2096 { |
|
2097 texture = textureMgr.Texture( existingTextureId ); |
|
2098 } |
|
2099 else |
|
2100 { |
|
2101 TRAPD( err, texture = &( textureMgr.LoadTextureL(aData->DesC(), |
|
2102 EAlfTextureFlagLoadAnimAsImage, KAlfAutoGeneratedTextureId ) ) ); |
|
2103 if( err != KErrNone ) |
|
2104 { |
|
2105 // means the texture is invalid. |
|
2106 //draw a blank texture here. |
|
2107 texture = &( textureMgr.BlankTexture() ); |
|
2108 } |
|
2109 } |
|
2110 aImgVisual->SetImage( TAlfImage( *texture ) ); |
|
2111 } |
|
2112 } |
|
2113 else if ( aData && aData->Type ()== IMulVariantType::EInt) |
|
2114 { |
|
2115 const CAlfTexture* texture = Env().TextureManager().Texture (aData->integer()); |
|
2116 aImgVisual->SetImage (TAlfImage (*texture)); |
|
2117 } |
|
2118 } |
|
2119 |
|
2120 // --------------------------------------------------------------------------- |
|
2121 // IsSVGImage |
|
2122 // --------------------------------------------------------------------------- |
|
2123 // |
|
2124 bool MulCoverFlowControl::IsSVGImage(const TDesC& aImagePath) |
|
2125 { |
|
2126 MUL_LOG_INFO("MUL:MulCoverFlowControl::IsSVGImage"); |
|
2127 _LIT(KSvgFile,".svg"); |
|
2128 |
|
2129 return (KErrNotFound != aImagePath.FindC(KSvgFile)); |
|
2130 } |
|
2131 |
|
2132 // --------------------------------------------------------------------------- |
|
2133 // LoadImageFromSvg |
|
2134 // --------------------------------------------------------------------------- |
|
2135 // |
|
2136 void MulCoverFlowControl::LoadImageFromSvg(const TDesC& aImagePath, |
|
2137 CAlfImageVisual& aImageVisual ) |
|
2138 { |
|
2139 MUL_LOG_INFO("MUL:MulCoverFlowControl::LoadImageFromSvg"); |
|
2140 |
|
2141 CAlfImageLoaderUtil imgLoaderUtil; |
|
2142 imgLoaderUtil.SetSize (TSize (50, 50)); |
|
2143 |
|
2144 MAlfBitmapProvider* iSvgBitMapProv= imgLoaderUtil.CreateSVGImageLoaderL (aImagePath); |
|
2145 CAlfTexture &texture = aImageVisual.Env().TextureManager().CreateTextureL ( |
|
2146 KAlfAutoGeneratedTextureId, |
|
2147 iSvgBitMapProv, |
|
2148 EAlfTextureFlagLoadAnimAsImage); |
|
2149 aImageVisual.SetImage (TAlfImage (texture)); |
|
2150 |
|
2151 } |
|
2152 |
|
2153 // --------------------------------------------------------------------------- |
|
2154 // StoreVisibleItemCount |
|
2155 // --------------------------------------------------------------------------- |
|
2156 // |
|
2157 void MulCoverFlowControl::StoreVisibleItemCount(int aVisibleItemCount) |
|
2158 { |
|
2159 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::StoreVisibleItemCount"); |
|
2160 mData->mNumVisibleItem = aVisibleItemCount; |
|
2161 } |
|
2162 |
|
2163 // --------------------------------------------------------------------------- |
|
2164 // SetDefaultImage |
|
2165 // --------------------------------------------------------------------------- |
|
2166 // |
|
2167 void MulCoverFlowControl::SetDefaultImage(int aTextureId) |
|
2168 { |
|
2169 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::SetDefaultImage"); |
|
2170 mData->mDefaultTextureId = aTextureId; |
|
2171 } |
|
2172 |
|
2173 // --------------------------------------------------------------------------- |
|
2174 // WindowTop |
|
2175 // --------------------------------------------------------------------------- |
|
2176 // |
|
2177 int MulCoverFlowControl::WindowTop(int aHighlightIndex) |
|
2178 { |
|
2179 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::WindowTop"); |
|
2180 int visibleItems = 2 * mData->mNumVisibleItem + 1; |
|
2181 int windowTop = aHighlightIndex - (visibleItems / 2); |
|
2182 IMulModelAccessor* accessor = static_cast<IMulModelAccessor*>(widget()->model()); |
|
2183 if(accessor) |
|
2184 { |
|
2185 windowTop = (windowTop + visibleItems - 1) >= TotalModelCount() ? |
|
2186 TotalModelCount() - visibleItems : windowTop; |
|
2187 windowTop = windowTop > 0 ? windowTop : 0; |
|
2188 } |
|
2189 |
|
2190 return windowTop; |
|
2191 } |
|
2192 |
|
2193 // --------------------------------------------------------------------------- |
|
2194 // UpdateBaseElement |
|
2195 // --------------------------------------------------------------------------- |
|
2196 // |
|
2197 void MulCoverFlowControl::UpdateBaseElement(MulBaseElement* aBaseElement) |
|
2198 { |
|
2199 MUL_LOG_ENTRY_EXIT("MUL:MulCoverFlowControl::UpdateBaseElement"); |
|
2200 mData->mBaseElement = aBaseElement; |
|
2201 } |
|
2202 |
|
2203 // --------------------------------------------------------------------------- |
|
2204 // IsLandscape |
|
2205 // --------------------------------------------------------------------------- |
|
2206 // |
|
2207 bool MulCoverFlowControl::IsLandscape() |
|
2208 { |
|
2209 bool ret; |
|
2210 TSize ScreenSz = AlfUtil::ScreenSize(); |
|
2211 if (ScreenSz.iWidth > ScreenSz.iHeight) |
|
2212 { |
|
2213 ret = true; |
|
2214 } |
|
2215 else |
|
2216 { |
|
2217 ret = false; |
|
2218 } |
|
2219 return ret; |
|
2220 } |
|
2221 |
|
2222 // --------------------------------------------------------------------------- |
|
2223 // Gesturehelper |
|
2224 // --------------------------------------------------------------------------- |
|
2225 // |
|
2226 GestureHelper::CGestureHelper* MulCoverFlowControl::Gesturehelper() |
|
2227 { |
|
2228 return mHelper.get(); |
|
2229 } |
|
2230 |
|
2231 } // namespace Alf |
|
2232 |
|
2233 //End of file |
|