|
1 /* |
|
2 * Copyright (c) 2003 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: SVG Implementation source file |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 |
|
20 |
|
21 #if !defined(__E32BASE_H__) |
|
22 #include <e32base.h> |
|
23 #endif |
|
24 #include "SVGAElementImpl.h" |
|
25 #include "SVGElementImpl.h" |
|
26 #include "SVGDocumentImpl.h" |
|
27 #include "SVGEngineImpl.h" |
|
28 |
|
29 #include "GfxAffineTransform.h" |
|
30 #include "SVGGElementImpl.h" |
|
31 |
|
32 _LIT(TARGET, "target"); |
|
33 _LIT(NEW, "new"); |
|
34 |
|
35 // --------------------------------------------------------------------------- |
|
36 // Two phase construction |
|
37 // --------------------------------------------------------------------------- |
|
38 CSvgAElementImpl* CSvgAElementImpl::NewL( const TUint8 aElemID, |
|
39 CSvgDocumentImpl* aDoc ) |
|
40 { |
|
41 CSvgAElementImpl* self = new ( ELeave ) CSvgAElementImpl( aDoc ); |
|
42 CleanupStack::PushL( self ); |
|
43 self->ConstructL(aElemID); |
|
44 CleanupStack::Pop(); |
|
45 |
|
46 return self; |
|
47 } |
|
48 |
|
49 // --------------------------------------------------------------------------- |
|
50 // |
|
51 // --------------------------------------------------------------------------- |
|
52 CSvgAElementImpl* CSvgAElementImpl::NewLC( const TUint8 aElemID, |
|
53 CSvgDocumentImpl* aDoc ) |
|
54 { |
|
55 CSvgAElementImpl* self = new ( ELeave ) CSvgAElementImpl( aDoc ); |
|
56 CleanupStack::PushL( self ); |
|
57 self->ConstructL(aElemID); |
|
58 |
|
59 return self; |
|
60 } |
|
61 |
|
62 |
|
63 // --------------------------------------------------------------------------- |
|
64 // |
|
65 // --------------------------------------------------------------------------- |
|
66 void CSvgAElementImpl::ConstructL( const TUint8 aElemID) |
|
67 { |
|
68 CSvgElementImpl::InitializeL( aElemID); |
|
69 |
|
70 iSvgStyleProperties = new(ELeave) RPointerArray<CCssValue>(KCSS_MAX_ATTR); |
|
71 User::LeaveIfError( iSvgStyleProperties->Append( NULL ) ); |
|
72 iSvgStyleProperties->Remove( 0 ); |
|
73 |
|
74 iSvgTransformable = CSvgTransformableImpl::NewL(); |
|
75 |
|
76 iSvgUriReferenceImpl = CSvgUriReferenceImpl::NewL(); |
|
77 iTarget = HBufC::NewL( 0 ); |
|
78 |
|
79 if (OwnerDocument()) |
|
80 { |
|
81 ((CSvgDocumentImpl*)OwnerDocument())->AddInternalMouseListener( this ); |
|
82 } |
|
83 |
|
84 |
|
85 } |
|
86 |
|
87 |
|
88 |
|
89 // --------------------------------------------------------------------------- |
|
90 // |
|
91 // --------------------------------------------------------------------------- |
|
92 CSvgAElementImpl::~CSvgAElementImpl() |
|
93 { |
|
94 if(iSvgUriReferenceImpl) |
|
95 { |
|
96 delete iSvgUriReferenceImpl; |
|
97 iSvgUriReferenceImpl = NULL; |
|
98 } |
|
99 |
|
100 if(iSvgStyleProperties) |
|
101 { |
|
102 iSvgStyleProperties->Close(); |
|
103 delete iSvgStyleProperties; |
|
104 iSvgStyleProperties = NULL; |
|
105 } |
|
106 if (iTarget) |
|
107 { |
|
108 delete iTarget; |
|
109 iTarget = NULL; |
|
110 } |
|
111 |
|
112 if (OwnerDocument()) |
|
113 { |
|
114 ((CSvgDocumentImpl*)OwnerDocument())->RemoveInternalMouseListener( this ); |
|
115 } |
|
116 } |
|
117 |
|
118 // Private |
|
119 |
|
120 |
|
121 // --------------------------------------------------------------------------- |
|
122 // |
|
123 // --------------------------------------------------------------------------- |
|
124 |
|
125 CSvgAElementImpl::CSvgAElementImpl( CSvgDocumentImpl* aDoc ) : iInitDone( EFalse ) |
|
126 { |
|
127 SetOwnerDocument(aDoc); |
|
128 } |
|
129 |
|
130 |
|
131 // ******************************************************* |
|
132 // From MXmlElement |
|
133 |
|
134 // --------------------------------------------------------------------------- |
|
135 // |
|
136 // --------------------------------------------------------------------------- |
|
137 TInt CSvgAElementImpl::SetAttributeL( const TDesC& aName, const TDesC& aValue ) |
|
138 { |
|
139 if ( this->SetXlinkAttributeL( aName, aValue ) ) |
|
140 { |
|
141 return KErrNone; |
|
142 } |
|
143 if ( SetTargetL( aName, aValue )) |
|
144 { |
|
145 return KErrNone; |
|
146 } |
|
147 |
|
148 CSvgElementImpl::SetAttributeL(aName,aValue); |
|
149 |
|
150 return KErrNone; |
|
151 } |
|
152 |
|
153 // --------------------------------------------------------------------------- |
|
154 // |
|
155 // --------------------------------------------------------------------------- |
|
156 |
|
157 TBool CSvgAElementImpl::SetTargetL( const TDesC& aName, const TDesC& aValue ) |
|
158 { |
|
159 if ( aName == TARGET ) |
|
160 { |
|
161 if(iTarget) |
|
162 { |
|
163 delete iTarget; |
|
164 iTarget = NULL; |
|
165 } |
|
166 iTarget = aValue.AllocL(); |
|
167 } |
|
168 else |
|
169 { |
|
170 return EFalse; |
|
171 } |
|
172 |
|
173 return ETrue; |
|
174 |
|
175 } |
|
176 |
|
177 // --------------------------------------------------------------------------- |
|
178 // |
|
179 // --------------------------------------------------------------------------- |
|
180 const TDesC& CSvgAElementImpl::Target( ) |
|
181 { |
|
182 if (iTarget) |
|
183 { |
|
184 return *iTarget; |
|
185 } |
|
186 else |
|
187 { |
|
188 return KNullDesC; |
|
189 } |
|
190 } |
|
191 |
|
192 // ******************************************************* |
|
193 // From CSvgElementImpl |
|
194 |
|
195 // perform a deep clone of this object |
|
196 // --------------------------------------------------------------------------- |
|
197 // |
|
198 // --------------------------------------------------------------------------- |
|
199 MXmlElement* CSvgAElementImpl::CloneL(MXmlElement*) |
|
200 { |
|
201 return NULL; |
|
202 } |
|
203 |
|
204 // --------------------------------------------------------------------------- |
|
205 // |
|
206 // --------------------------------------------------------------------------- |
|
207 TBool CSvgAElementImpl::DrawL( CGfx2dGc* /* aGc */, |
|
208 CSvgElementImpl* /* aElement */ ) |
|
209 { |
|
210 if ( !iInitDone ) |
|
211 { |
|
212 // Add child elemenets as mouse event receiver to engine |
|
213 // so that child elements can fire ui internal event |
|
214 AddEventReceiverSubtreeL( this ); |
|
215 |
|
216 // Add this as internal event receiver |
|
217 ((CSvgDocumentImpl*)iOwnerDocument)->AddToEventReceiverListL( this, KSvgEventMaskInternal); |
|
218 |
|
219 |
|
220 iInitDone = ETrue; |
|
221 } |
|
222 |
|
223 return ETrue; |
|
224 } |
|
225 |
|
226 |
|
227 // ******************************************************* |
|
228 // From MSvgEventReceiver |
|
229 // --------------------------------------------------------------------------- |
|
230 // |
|
231 // --------------------------------------------------------------------------- |
|
232 TBool CSvgAElementImpl::ReceiveEventL( MSvgEvent* aEvent ) |
|
233 { |
|
234 |
|
235 if( CSvgElementImpl::IsSVGEnginePaused()) |
|
236 { |
|
237 return EFalse; |
|
238 } |
|
239 // Receive internal UI click event on child elements only |
|
240 if ( aEvent->EventType() != ESvgEngineInternalEvent ) |
|
241 { |
|
242 return EFalse; |
|
243 } |
|
244 |
|
245 // Link activation process |
|
246 MSvgInternalEvent* evt = ( MSvgInternalEvent* ) aEvent; |
|
247 |
|
248 if ( !IsChild( this, evt->ObjectAddress() ) ) |
|
249 { |
|
250 return EFalse; |
|
251 } |
|
252 |
|
253 ////// |
|
254 |
|
255 CSvgEngineImpl* engine = ( ( CSvgDocumentImpl* ) OwnerDocument() )->Engine(); |
|
256 // Process the UI event on its child elements and propagate that event to its dependents |
|
257 switch ( evt->SvgEvent() ) |
|
258 { |
|
259 |
|
260 case ESvgEventMousedown: |
|
261 case ESvgEventMouseup: |
|
262 case ESvgEventClick: |
|
263 case ESvgEventActivate: |
|
264 case ESvgEventMouseover: |
|
265 case ESvgEventMousemove: |
|
266 case ESvgEventFocusin: |
|
267 case ESvgEventMouseout: |
|
268 case ESvgEventFocusout: |
|
269 { |
|
270 TSvgInternalEvent lEvt ( evt->SvgEvent(), |
|
271 ( CSvgElementImpl* ) |
|
272 this ); |
|
273 engine->ProcessEventL( |
|
274 ( CSvgDocumentImpl* ) OwnerDocument(), &lEvt ); |
|
275 } |
|
276 break; |
|
277 |
|
278 default: |
|
279 break; |
|
280 } |
|
281 |
|
282 /////// |
|
283 |
|
284 |
|
285 // To activate only on mouse click event |
|
286 if ( evt->SvgEvent() != ESvgEventClick ) |
|
287 { |
|
288 return EFalse; |
|
289 } |
|
290 |
|
291 // Linking behavior |
|
292 |
|
293 TPtrC n(XlinkShow()); |
|
294 |
|
295 if (n == NEW) |
|
296 { |
|
297 engine->LinkRequestWithShow( Href(),XlinkShow() ); // ssb iHrefUri->Des()); |
|
298 } |
|
299 else |
|
300 { |
|
301 engine->LinkRequest( Href() ); // ssb iHrefUri->Des()); |
|
302 } |
|
303 |
|
304 |
|
305 |
|
306 return EFalse; |
|
307 } |
|
308 |
|
309 |
|
310 // ******************************************************* |
|
311 // Private methods |
|
312 // |
|
313 // --------------------------------------------------------------------------- |
|
314 // |
|
315 // --------------------------------------------------------------------------- |
|
316 void CSvgAElementImpl::AddEventReceiverSubtreeL( CSvgElementImpl* aElement ) |
|
317 { |
|
318 CSvgElementImpl*element = ( CSvgElementImpl* ) aElement->FirstChild(); |
|
319 while ( element != NULL ) |
|
320 { |
|
321 |
|
322 ((CSvgDocumentImpl*)iOwnerDocument)->AddToEventReceiverListL( element, |
|
323 KSvgEventMaskExternalUI); |
|
324 |
|
325 AddEventReceiverSubtreeL( element ); |
|
326 element = ( CSvgElementImpl * ) element->NextSibling(); |
|
327 } |
|
328 } |
|
329 |
|
330 // --------------------------------------------------------------------------- |
|
331 // |
|
332 // --------------------------------------------------------------------------- |
|
333 TBool CSvgAElementImpl::IsChild( CSvgElementImpl* aSubtree, |
|
334 CSvgElementImpl* aElement ) |
|
335 { |
|
336 CSvgElementImpl*element = ( CSvgElementImpl* ) aSubtree->FirstChild(); |
|
337 if ( element != NULL ) |
|
338 { |
|
339 do |
|
340 { |
|
341 if ( element == aElement || IsChild( element, aElement ) ) |
|
342 { |
|
343 return ETrue; |
|
344 } |
|
345 element = ( CSvgElementImpl * ) element->NextSibling(); |
|
346 } |
|
347 while ( element != NULL ); |
|
348 } |
|
349 return EFalse; |
|
350 } |
|
351 void CSvgAElementImpl::Reset(MSvgEvent* /*aEvent*/) |
|
352 { |
|
353 } |
|
354 |
|
355 TInt CSvgAElementImpl::SetAttributeDesL( const TInt aNameId, |
|
356 const TDesC& aValue ) |
|
357 { |
|
358 _LIT( KXlinkHref, "xlink:href" ); |
|
359 _LIT( KTarget, "target"); |
|
360 |
|
361 switch ( aNameId ) |
|
362 { |
|
363 case KAtrXlinkhref: |
|
364 SetAttributeL(KXlinkHref, aValue ); |
|
365 break; |
|
366 case KAtrTarget: |
|
367 SetAttributeL(KTarget, aValue ); |
|
368 break; |
|
369 default: |
|
370 return CSvgElementImpl::SetAttributeDesL( aNameId, aValue ); |
|
371 } |
|
372 return KErrNone; |
|
373 } |
|
374 TInt CSvgAElementImpl::GetAttributeDes( const TInt aNameId, |
|
375 TPtrC16& aValue ) |
|
376 { |
|
377 if(aNameId == KAtrXlinkhref) |
|
378 { |
|
379 aValue.Set( Href() ); |
|
380 return KErrNone; |
|
381 } |
|
382 if (aNameId == KAtrTarget) |
|
383 { |
|
384 aValue.Set( Target() ); |
|
385 return KErrNone; |
|
386 } |
|
387 return CSvgElementImpl::GetAttributeDes( aNameId, aValue ); |
|
388 } |
|
389 |
|
390 /*** FROM MSvgMouseListener ***/ |
|
391 // --------------------------------------------------------------------------- |
|
392 // mouse entered |
|
393 // --------------------------------------------------------------------------- |
|
394 TBool CSvgAElementImpl::MouseEntered( RPointerArray<CSvgElementImpl>& aElements, |
|
395 TInt /*aX*/, TInt /*aY*/ ) |
|
396 { |
|
397 CSvgEngineImpl* lEngine = ( ( CSvgDocumentImpl* ) OwnerDocument() )->Engine(); |
|
398 |
|
399 TInt lEleCnt = aElements.Count(); |
|
400 for (TInt i = 0; i < lEleCnt; i++ ) |
|
401 { |
|
402 if ( aElements[i] == this ) |
|
403 { |
|
404 lEngine->NotifyHyperlinkEntered(this); |
|
405 return ETrue; |
|
406 } |
|
407 } |
|
408 |
|
409 return EFalse; |
|
410 } |
|
411 |
|
412 // --------------------------------------------------------------------------- |
|
413 // Notified when the mouse pointer exits a visible svg element. |
|
414 // --------------------------------------------------------------------------- |
|
415 TBool CSvgAElementImpl::MouseExited( RPointerArray<CSvgElementImpl>& aElements, |
|
416 TInt /*aX*/, TInt /*aY*/ ) |
|
417 { |
|
418 CSvgEngineImpl* lEngine = ( ( CSvgDocumentImpl* ) OwnerDocument() )->Engine(); |
|
419 |
|
420 TInt lEleCnt = aElements.Count(); |
|
421 for (TInt i = 0; i < lEleCnt; i++ ) |
|
422 { |
|
423 if ( aElements[i] == this ) |
|
424 { |
|
425 lEngine->NotifyHyperlinkExited(this); |
|
426 return ETrue; |
|
427 } |
|
428 } |
|
429 |
|
430 return EFalse; |
|
431 } |
|
432 |
|
433 // --------------------------------------------------------------------------- |
|
434 // Notified when the mouse pointer is pressed down on visible svg element. |
|
435 // --------------------------------------------------------------------------- |
|
436 TBool CSvgAElementImpl::MouseMoved( RPointerArray<CSvgElementImpl>& /*aElements*/, |
|
437 TInt /*aX*/, TInt /*aY*/ ) |
|
438 { |
|
439 return EFalse; |
|
440 } |
|
441 |
|
442 // --------------------------------------------------------------------------- |
|
443 // Notified when the mouse pointer is pressed down on visible svg element. |
|
444 // --------------------------------------------------------------------------- |
|
445 TBool CSvgAElementImpl::MousePressed( RPointerArray<CSvgElementImpl>& /*aElements*/, |
|
446 TInt /*aX*/, TInt /*aY*/ ) |
|
447 { |
|
448 return EFalse; |
|
449 } |
|
450 |
|
451 // --------------------------------------------------------------------------- |
|
452 // Notified when the mouse pointer is released on on visible svg element. |
|
453 // --------------------------------------------------------------------------- |
|
454 TBool CSvgAElementImpl::MouseReleased( RPointerArray<CSvgElementImpl>& aElements, |
|
455 TInt /*aX*/, TInt /*aY*/ ) |
|
456 { |
|
457 CSvgEngineImpl* lEngine = ( ( CSvgDocumentImpl* ) OwnerDocument() )->Engine(); |
|
458 |
|
459 TInt lEleCnt = aElements.Count(); |
|
460 for (TInt i = 0; i < lEleCnt; i++ ) |
|
461 { |
|
462 if ( aElements[i] == this ) |
|
463 { |
|
464 lEngine->NotifyHyperlinkActivated(this); |
|
465 return ETrue; |
|
466 } |
|
467 } |
|
468 |
|
469 return EFalse; |
|
470 } |
|
471 |
|
472 void CSvgAElementImpl::GetUnscaledBBox( TGfxRectangle2D& aBbox ) |
|
473 { |
|
474 CSvgGElementImpl::GetGroupBoundingUnscaled( aBbox, this ); |
|
475 } |
|
476 |
|
477 void CSvgAElementImpl::GetBBox( TGfxRectangle2D& aBbox ) |
|
478 { |
|
479 CSvgGElementImpl::GetGroupBounding( aBbox, this ); |
|
480 } |
|
481 |
|
482 void CSvgAElementImpl::Print( TBool aIsEncodeOn ) |
|
483 { |
|
484 if (!aIsEncodeOn) |
|
485 { |
|
486 #ifdef _DEBUG |
|
487 RDebug::Printf("<a xlink:href=\"hmm\">"/*, Href()*/); |
|
488 #endif |
|
489 } |
|
490 } |