70
|
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 |
|