1 /* |
|
2 * Copyright (c) 2010 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: Carousel widget for Symbian Homescreen |
|
15 * |
|
16 */ |
|
17 |
|
18 #include <ecom/implementationproxy.h> |
|
19 #include <aknphysics.h> |
|
20 #include <gulicon.h> |
|
21 #include <AknIconUtils.h> |
|
22 #include <AknsDrawUtils.h> |
|
23 #include <xnexteventhandler.h> |
|
24 #include "carouselwidget.h" |
|
25 |
|
26 const TSize KIconSize(70,70); |
|
27 const TInt KItemPadding( 6 ); |
|
28 |
|
29 _LIT( KLaunchByIndex, "LaunchByIndex("); |
|
30 |
|
31 template< class PtrT > inline PtrT* UnpackPtr( |
|
32 const TDesC8& aBuf ) |
|
33 { |
|
34 TAny* result( NULL ); |
|
35 |
|
36 if ( aBuf.Size() == sizeof( TAny* ) ) |
|
37 { |
|
38 // Effectively writes aBuf contents to result |
|
39 TPckg< TAny* >( result ).Copy( aBuf ); |
|
40 } |
|
41 |
|
42 return static_cast< PtrT* >( result ); |
|
43 } |
|
44 // ============================ MEMBER FUNCTIONS =============================== |
|
45 CCarouselItem::CCarouselItem( CFbsBitmap* aBitmap, CFbsBitmap* aMask) |
|
46 :iBitmap( aBitmap ), iMask( aMask ) |
|
47 { |
|
48 } |
|
49 |
|
50 CCarouselItem::~CCarouselItem() |
|
51 { |
|
52 delete iBitmap; |
|
53 delete iMask; |
|
54 delete iText; |
|
55 } |
|
56 |
|
57 void CCarouselItem::SetTextL( const TDesC& aText ) |
|
58 { |
|
59 delete iText; |
|
60 iText = NULL; |
|
61 iText = aText.AllocL(); |
|
62 } |
|
63 |
|
64 // ============================ MEMBER FUNCTIONS =============================== |
|
65 |
|
66 // ----------------------------------------------------------------------------- |
|
67 // Symbian static 1st phase constructor |
|
68 // ----------------------------------------------------------------------------- |
|
69 // |
|
70 CCarouselWidget* CCarouselWidget::NewL() |
|
71 { |
|
72 CCarouselWidget* self = new( ELeave ) CCarouselWidget(); |
|
73 CleanupStack::PushL( self ); |
|
74 self->ConstructL(); |
|
75 CleanupStack::Pop( self ); |
|
76 return self; |
|
77 } |
|
78 |
|
79 // ----------------------------------------------------------------------------- |
|
80 // C++ destructor |
|
81 // ----------------------------------------------------------------------------- |
|
82 // |
|
83 CCarouselWidget::~CCarouselWidget() |
|
84 { |
|
85 delete iPhysics; |
|
86 iStripeItems.ResetAndDestroy(); |
|
87 //delete iCover; |
|
88 } |
|
89 |
|
90 // ----------------------------------------------------------------------------- |
|
91 // Symbian 2nd phase constructor can leave. |
|
92 // ----------------------------------------------------------------------------- |
|
93 // |
|
94 void CCarouselWidget::ConstructL() |
|
95 { |
|
96 |
|
97 } |
|
98 |
|
99 // ----------------------------------------------------------------------------- |
|
100 // Handles key events. |
|
101 // ----------------------------------------------------------------------------- |
|
102 // |
|
103 TKeyResponse CCarouselWidget::OfferKeyEventL( const TKeyEvent& /*aKeyEvent*/, |
|
104 TEventCode /*aType*/ ) |
|
105 { |
|
106 return EKeyWasConsumed; |
|
107 } |
|
108 |
|
109 // ----------------------------------------------------------------------------- |
|
110 // Set window for this control |
|
111 // ----------------------------------------------------------------------------- |
|
112 // |
|
113 void CCarouselWidget::SetContainerWindowL( const CCoeControl &aContainer ) |
|
114 { |
|
115 CCoeControl::SetContainerWindowL( aContainer ); |
|
116 } |
|
117 |
|
118 // ----------------------------------------------------------------------------- |
|
119 // (other items were commented in a header). |
|
120 // ----------------------------------------------------------------------------- |
|
121 // |
|
122 void CCarouselWidget::HandlePointerEventL( const TPointerEvent& aPointerEvent ) |
|
123 { |
|
124 if( !iPhysics ) |
|
125 { |
|
126 return; |
|
127 } |
|
128 TPoint stylusPos( aPointerEvent.iPosition ); |
|
129 switch( aPointerEvent.iType ) |
|
130 { |
|
131 case TPointerEvent::EButton1Down: |
|
132 { |
|
133 iPhysics->StopPhysics(); |
|
134 iPhysics->ResetFriction(); |
|
135 iStartPosition = stylusPos; |
|
136 iStartTime.HomeTime(); |
|
137 iStylusPosition = stylusPos; |
|
138 iDrawHighlight = ETrue; |
|
139 } |
|
140 break; |
|
141 |
|
142 case TPointerEvent::EButton1Up: |
|
143 { |
|
144 iDrawHighlight = EFalse; |
|
145 TInt distance = iStartPosition.iX - stylusPos.iX; |
|
146 if( Abs(distance) <= iPhysics->DragThreshold() ) |
|
147 { |
|
148 LaunchItemL( stylusPos ); |
|
149 } |
|
150 else |
|
151 { |
|
152 TPoint drag( distance, 0 ); |
|
153 iPhysics->StartPhysics( drag, iStartTime ); |
|
154 } } |
|
155 break; |
|
156 case TPointerEvent::EDrag: |
|
157 case TPointerEvent::EMove: |
|
158 { |
|
159 TPoint dragTh( iStartPosition - stylusPos ); |
|
160 if( Abs(dragTh.iX) > iPhysics->DragThreshold() || |
|
161 Abs(dragTh.iY) > iPhysics->DragThreshold()) |
|
162 { |
|
163 iDrawHighlight = EFalse; |
|
164 } |
|
165 TInt deltaX( iStylusPosition.iX - stylusPos.iX ); |
|
166 iStylusPosition = stylusPos; |
|
167 TPoint deltaPoint( deltaX, 0 ); |
|
168 iPhysics->RegisterPanningPosition( deltaPoint ); |
|
169 } |
|
170 break; |
|
171 default: |
|
172 break; |
|
173 } |
|
174 |
|
175 CCoeControl::HandlePointerEventL( aPointerEvent ); |
|
176 } |
|
177 |
|
178 // ----------------------------------------------------------------------------- |
|
179 // Returns the number of component controls |
|
180 // ----------------------------------------------------------------------------- |
|
181 // |
|
182 TInt CCarouselWidget::CountComponentControls() const |
|
183 { |
|
184 return 0; |
|
185 } |
|
186 |
|
187 // ----------------------------------------------------------------------------- |
|
188 // Returns the specified control |
|
189 // ----------------------------------------------------------------------------- |
|
190 // |
|
191 CCoeControl* CCarouselWidget::ComponentControl( TInt /*aIndex*/ ) const |
|
192 { |
|
193 return NULL; |
|
194 } |
|
195 |
|
196 // ----------------------------------------------------------------------------- |
|
197 // Skin change notification. |
|
198 // ----------------------------------------------------------------------------- |
|
199 // |
|
200 void CCarouselWidget::SkinChanged() |
|
201 { |
|
202 } |
|
203 |
|
204 // ----------------------------------------------------------------------------- |
|
205 // CCarouselWidget::EnterPowerSaveModeL |
|
206 // |
|
207 // ----------------------------------------------------------------------------- |
|
208 // |
|
209 void CCarouselWidget::EnterPowerSaveModeL() |
|
210 { |
|
211 } |
|
212 |
|
213 // ----------------------------------------------------------------------------- |
|
214 // CCarouselWidget::ExitPowerSaveModeL |
|
215 // |
|
216 // ----------------------------------------------------------------------------- |
|
217 // |
|
218 void CCarouselWidget::ExitPowerSaveModeL() |
|
219 { |
|
220 } |
|
221 |
|
222 // ----------------------------------------------------------------------------- |
|
223 // Called if focus changes |
|
224 // ----------------------------------------------------------------------------- |
|
225 // |
|
226 void CCarouselWidget::FocusChanged( TDrawNow /*aDrawNow*/ ) |
|
227 { |
|
228 } |
|
229 |
|
230 // ----------------------------------------------------------------------------- |
|
231 // Called if position or size changes |
|
232 // ----------------------------------------------------------------------------- |
|
233 // |
|
234 void CCarouselWidget::SizeChanged() |
|
235 { |
|
236 iViewPort = Rect(); |
|
237 TRAP_IGNORE( InitPhysicEngineL() ); |
|
238 DrawNow(); |
|
239 } |
|
240 |
|
241 // ----------------------------------------------------------------------------- |
|
242 // Sets the external event handler interface. |
|
243 // ----------------------------------------------------------------------------- |
|
244 // |
|
245 void CCarouselWidget::SetEventHandler( MXnExtEventHandler* aEventHandler ) |
|
246 { |
|
247 iEventHandler = aEventHandler; |
|
248 } |
|
249 |
|
250 // ----------------------------------------------------------------------------- |
|
251 // Data stream from the publisher |
|
252 // ----------------------------------------------------------------------------- |
|
253 // |
|
254 void CCarouselWidget::SetDataL( const TDesC8& aData, const TDesC& aType, TInt aIndex ) |
|
255 { |
|
256 /// Unpack the data stream, works because publisher is in same process. |
|
257 CGulIcon* icon( UnpackPtr<CGulIcon>( aData ) ); |
|
258 CleanupStack::PushL( icon ); |
|
259 AknIconUtils::SetSize( icon->Bitmap(), KIconSize); |
|
260 |
|
261 CCarouselItem* item = new ( ELeave ) CCarouselItem(/* *iEditor,*/ icon->Bitmap(), icon->Mask() ); |
|
262 CleanupStack::PopAndDestroy( icon ); |
|
263 |
|
264 if( aType == _L("Appstripe/widget")) |
|
265 { |
|
266 if( iStripeItems.Count() <= aIndex ) |
|
267 { |
|
268 iStripeItems.AppendL( item ); |
|
269 InitPhysicEngineL(); |
|
270 } |
|
271 else |
|
272 { |
|
273 CCarouselItem* citem = iStripeItems[ aIndex ]; |
|
274 delete citem; |
|
275 iStripeItems.Remove( aIndex ); |
|
276 iStripeItems.Insert( item, aIndex ); |
|
277 } |
|
278 DrawNow(); |
|
279 } |
|
280 } |
|
281 |
|
282 // ----------------------------------------------------------------------------- |
|
283 // Draws the carousel component |
|
284 // ----------------------------------------------------------------------------- |
|
285 // |
|
286 void CCarouselWidget::Draw( const TRect& /*aRect*/ ) const |
|
287 { |
|
288 CWindowGc& gc( SystemGc() ); |
|
289 gc.SetClippingRect( iViewPort ); |
|
290 TRect bitmapRect( TPoint(0,0), KIconSize ); |
|
291 TPoint point( iViewPort.iTl ); |
|
292 point.iX -= iViewPosition.iX; |
|
293 |
|
294 TInt count = iStripeItems.Count(); |
|
295 for( TInt i = 0; i < count; i++ ) |
|
296 { |
|
297 CFbsBitmap* bitmap = iStripeItems[i]->iBitmap; |
|
298 CFbsBitmap* mask = iStripeItems[i]->iMask; |
|
299 |
|
300 TRect drawRect( point, KIconSize ); |
|
301 if( iDrawHighlight && drawRect.Contains( iStylusPosition )) |
|
302 { |
|
303 TRect innerRect( drawRect ); |
|
304 innerRect.Shrink( 5, 5 ); |
|
305 |
|
306 MAknsSkinInstance* skin( AknsUtils::SkinInstance() ); |
|
307 AknsDrawUtils::DrawFrame( skin, gc, drawRect, innerRect, |
|
308 KAknsIIDQsnFrHomePressed, KAknsIIDDefault ); |
|
309 } |
|
310 if( iViewPort.Contains( drawRect.iBr )|| |
|
311 iViewPort.Contains( drawRect.iTl )) |
|
312 { |
|
313 gc.BitBltMasked( point, bitmap, bitmapRect, mask, EFalse); |
|
314 } |
|
315 point.iX += KIconSize.iWidth + KItemPadding; |
|
316 } |
|
317 } |
|
318 |
|
319 // --------------------------------------------------------------------------- |
|
320 // ViewPositionChanged |
|
321 // --------------------------------------------------------------------------- |
|
322 // |
|
323 void CCarouselWidget::ViewPositionChanged( |
|
324 const TPoint& aNewPosition, TBool aDrawNow, TUint /*aFlags*/ ) |
|
325 { |
|
326 iCurrentPosition = aNewPosition; |
|
327 iViewPosition.iX = aNewPosition.iX - iViewPort.Width()/2; |
|
328 if( aDrawNow ) |
|
329 { |
|
330 DrawNow( iViewPort ); |
|
331 } |
|
332 } |
|
333 |
|
334 // --------------------------------------------------------------------------- |
|
335 // PhysicEmulationEnded |
|
336 // --------------------------------------------------------------------------- |
|
337 // |
|
338 void CCarouselWidget::PhysicEmulationEnded() |
|
339 { |
|
340 } |
|
341 |
|
342 // --------------------------------------------------------------------------- |
|
343 // ViewPosition |
|
344 // --------------------------------------------------------------------------- |
|
345 // |
|
346 TPoint CCarouselWidget::ViewPosition() const |
|
347 { |
|
348 return iCurrentPosition; |
|
349 } |
|
350 |
|
351 // --------------------------------------------------------------------------- |
|
352 // InitPhysicEngineL |
|
353 // --------------------------------------------------------------------------- |
|
354 // |
|
355 void CCarouselWidget::InitPhysicEngineL() |
|
356 { |
|
357 // Init physic engine |
|
358 if ( !iPhysics && CAknPhysics::FeatureEnabled() ) |
|
359 { |
|
360 iPhysics = CAknPhysics::NewL( *this, this ); |
|
361 } |
|
362 if( !iPhysics ) |
|
363 { |
|
364 return; |
|
365 } |
|
366 TSize viewPortSize = iViewPort.Size(); |
|
367 TInt totalWidth( iStripeItems.Count() * (KIconSize.iWidth + KItemPadding )); |
|
368 TSize totalSize( totalWidth, viewPortSize.iHeight ); |
|
369 iPhysics->InitPhysicsL( totalSize, viewPortSize, ETrue ); |
|
370 iCurrentPosition = TPoint( viewPortSize.iWidth / 2, viewPortSize.iHeight / 2 ); |
|
371 } |
|
372 |
|
373 // --------------------------------------------------------------------------- |
|
374 // |
|
375 // --------------------------------------------------------------------------- |
|
376 // |
|
377 TInt CCarouselWidget::ItemIndex( TPoint& aPoint ) |
|
378 { |
|
379 TPoint itemStartPoint( iViewPort.iTl ); |
|
380 itemStartPoint.iX -= iViewPosition.iX; |
|
381 |
|
382 TRect dropRect( itemStartPoint, KIconSize ); |
|
383 dropRect.Resize( KItemPadding, 0 ); |
|
384 TInt index( 0 ); |
|
385 do |
|
386 { |
|
387 if( dropRect.Contains( aPoint )) |
|
388 { |
|
389 return index; |
|
390 } |
|
391 dropRect.Move( KIconSize.iWidth+KItemPadding, 0); |
|
392 index++; |
|
393 } |
|
394 while( index < iStripeItems.Count() ); |
|
395 return KErrNotFound; |
|
396 } |
|
397 |
|
398 // ----------------------------------------------------------------------------- |
|
399 // Launches the item, which is in aPosition |
|
400 // ----------------------------------------------------------------------------- |
|
401 // |
|
402 void CCarouselWidget::LaunchItemL( TPoint& aPosition ) |
|
403 { |
|
404 TInt index = ItemIndex( aPosition ); |
|
405 // carousel plugin expects indexes to start from 1 |
|
406 index++; |
|
407 TInt len( KLaunchByIndex().Length()+3 ); |
|
408 TBuf<17> event; |
|
409 event.Append( KLaunchByIndex ); |
|
410 event.AppendNum( index ); |
|
411 event.Append( _L(")")); |
|
412 iEventHandler->HandleEventL( event, _L8("Appstripe")); |
|
413 } |
|
414 |
|
415 // ----------------------------------------------------------------------------- |
|
416 // C++ default constructor |
|
417 // ----------------------------------------------------------------------------- |
|
418 // |
|
419 CCarouselWidget::CCarouselWidget() |
|
420 { |
|
421 } |
|
422 |
|
423 // ============================ PUBLIC FUNCTIONS =============================== |
|
424 const TImplementationProxy KImplementationTable[] = |
|
425 { |
|
426 #ifdef __EABI__ |
|
427 IMPLEMENTATION_PROXY_ENTRY( 0xEabba433, CCarouselWidget::NewL ) |
|
428 #else |
|
429 { { 0xEabba433 }, CCarouselWidget::NewL } |
|
430 #endif |
|
431 }; |
|
432 |
|
433 // ----------------------------------------------------------------------------- |
|
434 // Returns the list of implementations provided by the plugin |
|
435 // ----------------------------------------------------------------------------- |
|
436 // |
|
437 EXPORT_C const TImplementationProxy* ImplementationGroupProxy( |
|
438 TInt& aTableCount ) |
|
439 { |
|
440 aTableCount = sizeof( KImplementationTable ) / sizeof( TImplementationProxy ); |
|
441 return KImplementationTable; |
|
442 } |
|
443 |
|