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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/osx/webview_webkit.mm
3 // Purpose: wxWebViewWebKit - embeddable web kit control,
4 // OS X implementation of web view component
5 // Author: Jethro Grassie / Kevin Ollivier / Marianne Gagnon
6 // Modified by:
7 // Created: 2004-4-16
8 // RCS-ID: $Id$
9 // Copyright: (c) Jethro Grassie / Kevin Ollivier / Marianne Gagnon
10 // Licence: wxWindows licence
11 /////////////////////////////////////////////////////////////////////////////
12
13 // http://developer.apple.com/mac/library/documentation/Cocoa/Reference/WebKit/Classes/WebView_Class/Reference/Reference.html
14
15 #include "wx/osx/webview_webkit.h"
16
17 #if wxUSE_WEBVIEW && wxUSE_WEBVIEW_WEBKIT && (defined(__WXOSX_COCOA__) \
18 || defined(__WXOSX_CARBON__))
19
20 // For compilers that support precompilation, includes "wx.h".
21 #include "wx/wxprec.h"
22
23 #ifndef WX_PRECOMP
24 #include "wx/wx.h"
25 #endif
26
27 #include "wx/osx/private.h"
28 #include "wx/cocoa/string.h"
29 #include "wx/hashmap.h"
30 #include "wx/filesys.h"
31
32 #include <WebKit/WebKit.h>
33 #include <WebKit/HIWebView.h>
34 #include <WebKit/CarbonUtils.h>
35
36 #include <Foundation/NSURLError.h>
37
38 #define DEBUG_WEBKIT_SIZING 0
39
40 // ----------------------------------------------------------------------------
41 // macros
42 // ----------------------------------------------------------------------------
43
44 wxIMPLEMENT_DYNAMIC_CLASS(wxWebViewWebKit, wxWebView);
45
46 BEGIN_EVENT_TABLE(wxWebViewWebKit, wxControl)
47 #if defined(__WXMAC__) && wxOSX_USE_CARBON
48 EVT_SIZE(wxWebViewWebKit::OnSize)
49 #endif
50 END_EVENT_TABLE()
51
52 #if defined(__WXOSX__) && wxOSX_USE_CARBON
53
54 // ----------------------------------------------------------------------------
55 // Carbon Events handlers
56 // ----------------------------------------------------------------------------
57
58 // prototype for function in src/osx/carbon/nonownedwnd.cpp
59 void SetupMouseEvent( wxMouseEvent &wxevent , wxMacCarbonEvent &cEvent );
60
61 static const EventTypeSpec eventList[] =
62 {
63 //{ kEventClassControl, kEventControlTrack } ,
64 { kEventClassMouse, kEventMouseUp },
65 { kEventClassMouse, kEventMouseDown },
66 { kEventClassMouse, kEventMouseMoved },
67 { kEventClassMouse, kEventMouseDragged },
68
69 { kEventClassKeyboard, kEventRawKeyDown } ,
70 { kEventClassKeyboard, kEventRawKeyRepeat } ,
71 { kEventClassKeyboard, kEventRawKeyUp } ,
72 { kEventClassKeyboard, kEventRawKeyModifiersChanged } ,
73
74 { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } ,
75 { kEventClassTextInput, kEventTextInputUpdateActiveInputArea } ,
76
77 #if DEBUG_WEBKIT_SIZING == 1
78 { kEventClassControl, kEventControlBoundsChanged } ,
79 #endif
80 };
81
82 // mix this in from window.cpp
83 pascal OSStatus wxMacUnicodeTextEventHandler(EventHandlerCallRef handler,
84 EventRef event, void *data) ;
85
86 // NOTE: This is mostly taken from KeyboardEventHandler in toplevel.cpp, but
87 // that expects the data pointer is a top-level window, so I needed to change
88 // that in this case. However, once 2.8 is out, we should factor out the common
89 // logic among the two functions and merge them.
90 static pascal OSStatus wxWebKitKeyEventHandler(EventHandlerCallRef handler,
91 EventRef event, void *data)
92 {
93 OSStatus result = eventNotHandledErr ;
94 wxMacCarbonEvent cEvent( event ) ;
95
96 wxWebViewWebKit* thisWindow = (wxWebViewWebKit*) data ;
97 wxWindow* focus = thisWindow ;
98
99 unsigned char charCode ;
100 wxChar uniChar[2] ;
101 uniChar[0] = 0;
102 uniChar[1] = 0;
103
104 UInt32 keyCode ;
105 UInt32 modifiers ;
106 UInt32 when = EventTimeToTicks( GetEventTime( event ) ) ;
107
108 #if wxUSE_UNICODE
109 ByteCount dataSize = 0 ;
110 if ( GetEventParameter(event, kEventParamKeyUnicodes, typeUnicodeText,
111 NULL, 0 , &dataSize, NULL ) == noErr)
112 {
113 UniChar buf[2] ;
114 int numChars = dataSize / sizeof( UniChar) + 1;
115
116 UniChar* charBuf = buf ;
117
118 if ( numChars * 2 > 4 )
119 charBuf = new UniChar[ numChars ] ;
120 GetEventParameter(event, kEventParamKeyUnicodes, typeUnicodeText, NULL,
121 dataSize , NULL , charBuf) ;
122 charBuf[ numChars - 1 ] = 0;
123
124 #if SIZEOF_WCHAR_T == 2
125 uniChar = charBuf[0] ;
126 #else
127 wxMBConvUTF16 converter ;
128 converter.MB2WC( uniChar , (const char*)charBuf , 2 ) ;
129 #endif
130
131 if ( numChars * 2 > 4 )
132 delete[] charBuf ;
133 }
134 #endif
135
136 GetEventParameter(event, kEventParamKeyMacCharCodes, typeChar, NULL,
137 1, NULL, &charCode );
138 GetEventParameter(event, kEventParamKeyCode, typeUInt32, NULL,
139 sizeof(UInt32), NULL, &keyCode );
140 GetEventParameter(event, kEventParamKeyModifiers, typeUInt32, NULL,
141 sizeof(UInt32), NULL, &modifiers );
142
143 UInt32 message = (keyCode << 8) + charCode;
144 switch ( GetEventKind( event ) )
145 {
146 case kEventRawKeyRepeat :
147 case kEventRawKeyDown :
148 {
149 WXEVENTREF formerEvent = wxTheApp->MacGetCurrentEvent() ;
150 WXEVENTHANDLERCALLREF formerHandler =
151 wxTheApp->MacGetCurrentEventHandlerCallRef() ;
152
153 wxTheApp->MacSetCurrentEvent( event , handler ) ;
154 if ( /* focus && */ wxTheApp->MacSendKeyDownEvent(
155 focus, message, modifiers, when, uniChar[0]))
156 {
157 result = noErr ;
158 }
159 wxTheApp->MacSetCurrentEvent( formerEvent , formerHandler ) ;
160 }
161 break ;
162
163 case kEventRawKeyUp :
164 if ( /* focus && */ wxTheApp->MacSendKeyUpEvent(
165 focus , message , modifiers , when , uniChar[0] ) )
166 {
167 result = noErr ;
168 }
169 break ;
170
171 case kEventRawKeyModifiersChanged :
172 {
173 wxKeyEvent event(wxEVT_KEY_DOWN);
174
175 event.m_shiftDown = modifiers & shiftKey;
176 event.m_controlDown = modifiers & controlKey;
177 event.m_altDown = modifiers & optionKey;
178 event.m_metaDown = modifiers & cmdKey;
179
180 #if wxUSE_UNICODE
181 event.m_uniChar = uniChar[0] ;
182 #endif
183
184 event.SetTimestamp(when);
185 event.SetEventObject(focus);
186
187 if ( /* focus && */ (modifiers ^ wxApp::s_lastModifiers ) & controlKey )
188 {
189 event.m_keyCode = WXK_CONTROL ;
190 event.SetEventType( ( modifiers & controlKey ) ? wxEVT_KEY_DOWN : wxEVT_KEY_UP ) ;
191 focus->GetEventHandler()->ProcessEvent( event ) ;
192 }
193 if ( /* focus && */ (modifiers ^ wxApp::s_lastModifiers ) & shiftKey )
194 {
195 event.m_keyCode = WXK_SHIFT ;
196 event.SetEventType( ( modifiers & shiftKey ) ? wxEVT_KEY_DOWN : wxEVT_KEY_UP ) ;
197 focus->GetEventHandler()->ProcessEvent( event ) ;
198 }
199 if ( /* focus && */ (modifiers ^ wxApp::s_lastModifiers ) & optionKey )
200 {
201 event.m_keyCode = WXK_ALT ;
202 event.SetEventType( ( modifiers & optionKey ) ? wxEVT_KEY_DOWN : wxEVT_KEY_UP ) ;
203 focus->GetEventHandler()->ProcessEvent( event ) ;
204 }
205 if ( /* focus && */ (modifiers ^ wxApp::s_lastModifiers ) & cmdKey )
206 {
207 event.m_keyCode = WXK_COMMAND ;
208 event.SetEventType( ( modifiers & cmdKey ) ? wxEVT_KEY_DOWN : wxEVT_KEY_UP ) ;
209 focus->GetEventHandler()->ProcessEvent( event ) ;
210 }
211
212 wxApp::s_lastModifiers = modifiers ;
213 }
214 break ;
215
216 default:
217 break;
218 }
219
220 return result ;
221 }
222
223 static pascal OSStatus wxWebViewWebKitEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
224 {
225 OSStatus result = eventNotHandledErr ;
226
227 wxMacCarbonEvent cEvent( event ) ;
228
229 ControlRef controlRef ;
230 wxWebViewWebKit* thisWindow = (wxWebViewWebKit*) data ;
231 wxNonOwnedWindow* tlw = NULL;
232 if (thisWindow)
233 tlw = thisWindow->MacGetTopLevelWindow();
234
235 cEvent.GetParameter( kEventParamDirectObject , &controlRef ) ;
236
237 wxWindow* currentMouseWindow = thisWindow ;
238
239 if ( wxApp::s_captureWindow )
240 currentMouseWindow = wxApp::s_captureWindow;
241
242 switch ( GetEventClass( event ) )
243 {
244 case kEventClassKeyboard:
245 {
246 result = wxWebKitKeyEventHandler(handler, event, data);
247 break;
248 }
249
250 case kEventClassTextInput:
251 {
252 result = wxMacUnicodeTextEventHandler(handler, event, data);
253 break;
254 }
255
256 case kEventClassMouse:
257 {
258 switch ( GetEventKind( event ) )
259 {
260 case kEventMouseDragged :
261 case kEventMouseMoved :
262 case kEventMouseDown :
263 case kEventMouseUp :
264 {
265 wxMouseEvent wxevent(wxEVT_LEFT_DOWN);
266 SetupMouseEvent( wxevent , cEvent ) ;
267
268 currentMouseWindow->ScreenToClient( &wxevent.m_x , &wxevent.m_y ) ;
269 wxevent.SetEventObject( currentMouseWindow ) ;
270 wxevent.SetId( currentMouseWindow->GetId() ) ;
271
272 if ( currentMouseWindow->GetEventHandler()->ProcessEvent(wxevent) )
273 {
274 result = noErr;
275 }
276
277 break; // this should enable WebKit to fire mouse dragged and mouse up events...
278 }
279 default :
280 break ;
281 }
282 }
283 default:
284 break;
285 }
286
287 result = CallNextEventHandler(handler, event);
288 return result ;
289 }
290
291 DEFINE_ONE_SHOT_HANDLER_GETTER( wxWebViewWebKitEventHandler )
292
293 #endif
294
295 @interface WebViewLoadDelegate : NSObject
296 {
297 wxWebViewWebKit* webKitWindow;
298 }
299
300 - initWithWxWindow: (wxWebViewWebKit*)inWindow;
301
302 @end
303
304 @interface WebViewPolicyDelegate : NSObject
305 {
306 wxWebViewWebKit* webKitWindow;
307 }
308
309 - initWithWxWindow: (wxWebViewWebKit*)inWindow;
310
311 @end
312
313 @interface WebViewUIDelegate : NSObject
314 {
315 wxWebViewWebKit* webKitWindow;
316 }
317
318 - initWithWxWindow: (wxWebViewWebKit*)inWindow;
319
320 @end
321
322 //We use a hash to map scheme names to wxWebViewHandler
323 WX_DECLARE_STRING_HASH_MAP(wxSharedPtr<wxWebViewHandler>, wxStringToWebHandlerMap);
324
325 static wxStringToWebHandlerMap g_stringHandlerMap;
326
327 @interface WebViewCustomProtocol : NSURLProtocol
328 {
329 }
330 @end
331
332 // ----------------------------------------------------------------------------
333 // creation/destruction
334 // ----------------------------------------------------------------------------
335
336 bool wxWebViewWebKit::Create(wxWindow *parent,
337 wxWindowID winID,
338 const wxString& strURL,
339 const wxPoint& pos,
340 const wxSize& size, long style,
341 const wxString& name)
342 {
343 m_busy = false;
344
345 DontCreatePeer();
346 wxControl::Create(parent, winID, pos, size, style, wxDefaultValidator, name);
347
348 #if wxOSX_USE_CARBON
349 wxMacControl* peer = new wxMacControl(this);
350 WebInitForCarbon();
351 HIWebViewCreate( peer->GetControlRefAddr() );
352
353 m_webView = (WebView*) HIWebViewGetWebView( peer->GetControlRef() );
354
355 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3
356 if ( UMAGetSystemVersion() >= 0x1030 )
357 HIViewChangeFeatures( peer->GetControlRef() , kHIViewIsOpaque , 0 ) ;
358 #endif
359 InstallControlEventHandler(peer->GetControlRef(),
360 GetwxWebViewWebKitEventHandlerUPP(),
361 GetEventTypeCount(eventList), eventList, this,
362 (EventHandlerRef *)&m_webKitCtrlEventHandler);
363 SetPeer(peer);
364 #else
365 NSRect r = wxOSXGetFrameForControl( this, pos , size ) ;
366 m_webView = [[WebView alloc] initWithFrame:r
367 frameName:@"webkitFrame"
368 groupName:@"webkitGroup"];
369 SetPeer(new wxWidgetCocoaImpl( this, m_webView ));
370 #endif
371
372 MacPostControlCreate(pos, size);
373
374 #if wxOSX_USE_CARBON
375 HIViewSetVisible( GetPeer()->GetControlRef(), true );
376 #endif
377 [m_webView setHidden:false];
378
379
380
381 // Register event listener interfaces
382 WebViewLoadDelegate* loadDelegate =
383 [[WebViewLoadDelegate alloc] initWithWxWindow: this];
384
385 [m_webView setFrameLoadDelegate:loadDelegate];
386
387 // this is used to veto page loads, etc.
388 WebViewPolicyDelegate* policyDelegate =
389 [[WebViewPolicyDelegate alloc] initWithWxWindow: this];
390
391 [m_webView setPolicyDelegate:policyDelegate];
392
393 WebViewUIDelegate* uiDelegate =
394 [[WebViewUIDelegate alloc] initWithWxWindow: this];
395
396 [m_webView setUIDelegate:uiDelegate];
397
398 //Register our own class for custom scheme handling
399 [NSURLProtocol registerClass:[WebViewCustomProtocol class]];
400
401 LoadURL(strURL);
402 return true;
403 }
404
405 wxWebViewWebKit::~wxWebViewWebKit()
406 {
407 WebViewLoadDelegate* loadDelegate = [m_webView frameLoadDelegate];
408 WebViewPolicyDelegate* policyDelegate = [m_webView policyDelegate];
409 WebViewUIDelegate* uiDelegate = [m_webView UIDelegate];
410 [m_webView setFrameLoadDelegate: nil];
411 [m_webView setPolicyDelegate: nil];
412 [m_webView setUIDelegate: nil];
413
414 if (loadDelegate)
415 [loadDelegate release];
416
417 if (policyDelegate)
418 [policyDelegate release];
419
420 if (uiDelegate)
421 [uiDelegate release];
422 }
423
424 // ----------------------------------------------------------------------------
425 // public methods
426 // ----------------------------------------------------------------------------
427
428 bool wxWebViewWebKit::CanGoBack() const
429 {
430 if ( !m_webView )
431 return false;
432
433 return [m_webView canGoBack];
434 }
435
436 bool wxWebViewWebKit::CanGoForward() const
437 {
438 if ( !m_webView )
439 return false;
440
441 return [m_webView canGoForward];
442 }
443
444 void wxWebViewWebKit::GoBack()
445 {
446 if ( !m_webView )
447 return;
448
449 [(WebView*)m_webView goBack];
450 }
451
452 void wxWebViewWebKit::GoForward()
453 {
454 if ( !m_webView )
455 return;
456
457 [(WebView*)m_webView goForward];
458 }
459
460 void wxWebViewWebKit::Reload(wxWebViewReloadFlags flags)
461 {
462 if ( !m_webView )
463 return;
464
465 if (flags & wxWEBVIEW_RELOAD_NO_CACHE)
466 {
467 // TODO: test this indeed bypasses the cache
468 [[m_webView preferences] setUsesPageCache:NO];
469 [[m_webView mainFrame] reload];
470 [[m_webView preferences] setUsesPageCache:YES];
471 }
472 else
473 {
474 [[m_webView mainFrame] reload];
475 }
476 }
477
478 void wxWebViewWebKit::Stop()
479 {
480 if ( !m_webView )
481 return;
482
483 [[m_webView mainFrame] stopLoading];
484 }
485
486 bool wxWebViewWebKit::CanGetPageSource() const
487 {
488 if ( !m_webView )
489 return false;
490
491 WebDataSource* dataSource = [[m_webView mainFrame] dataSource];
492 return ( [[dataSource representation] canProvideDocumentSource] );
493 }
494
495 wxString wxWebViewWebKit::GetPageSource() const
496 {
497
498 if (CanGetPageSource())
499 {
500 WebDataSource* dataSource = [[m_webView mainFrame] dataSource];
501 wxASSERT (dataSource != nil);
502
503 id<WebDocumentRepresentation> representation = [dataSource representation];
504 wxASSERT (representation != nil);
505
506 NSString* source = [representation documentSource];
507 if (source == nil)
508 {
509 return wxEmptyString;
510 }
511
512 return wxStringWithNSString( source );
513 }
514
515 return wxEmptyString;
516 }
517
518 bool wxWebViewWebKit::CanIncreaseTextSize() const
519 {
520 if ( !m_webView )
521 return false;
522
523 if ([m_webView canMakeTextLarger])
524 return true;
525 else
526 return false;
527 }
528
529 void wxWebViewWebKit::IncreaseTextSize()
530 {
531 if ( !m_webView )
532 return;
533
534 if (CanIncreaseTextSize())
535 [m_webView makeTextLarger:(WebView*)m_webView];
536 }
537
538 bool wxWebViewWebKit::CanDecreaseTextSize() const
539 {
540 if ( !m_webView )
541 return false;
542
543 if ([m_webView canMakeTextSmaller])
544 return true;
545 else
546 return false;
547 }
548
549 void wxWebViewWebKit::DecreaseTextSize()
550 {
551 if ( !m_webView )
552 return;
553
554 if (CanDecreaseTextSize())
555 [m_webView makeTextSmaller:(WebView*)m_webView];
556 }
557
558 void wxWebViewWebKit::Print()
559 {
560
561 // TODO: allow specifying the "show prompt" parameter in Print() ?
562 bool showPrompt = true;
563
564 if ( !m_webView )
565 return;
566
567 id view = [[[m_webView mainFrame] frameView] documentView];
568 NSPrintOperation *op = [NSPrintOperation printOperationWithView:view
569 printInfo: [NSPrintInfo sharedPrintInfo]];
570 if (showPrompt)
571 {
572 [op setShowsPrintPanel: showPrompt];
573 // in my tests, the progress bar always freezes and it stops the whole
574 // print operation. do not turn this to true unless there is a
575 // workaround for the bug.
576 [op setShowsProgressPanel: false];
577 }
578 // Print it.
579 [op runOperation];
580 }
581
582 void wxWebViewWebKit::SetEditable(bool enable)
583 {
584 if ( !m_webView )
585 return;
586
587 [m_webView setEditable:enable ];
588 }
589
590 bool wxWebViewWebKit::IsEditable() const
591 {
592 if ( !m_webView )
593 return false;
594
595 return [m_webView isEditable];
596 }
597
598 void wxWebViewWebKit::SetZoomType(wxWebViewZoomType zoomType)
599 {
600 // there is only one supported zoom type at the moment so this setter
601 // does nothing beyond checking sanity
602 wxASSERT(zoomType == wxWEBVIEW_ZOOM_TYPE_TEXT);
603 }
604
605 wxWebViewZoomType wxWebViewWebKit::GetZoomType() const
606 {
607 // for now that's the only one that is supported
608 // FIXME: does the default zoom type change depending on webkit versions? :S
609 // Then this will be wrong
610 return wxWEBVIEW_ZOOM_TYPE_TEXT;
611 }
612
613 bool wxWebViewWebKit::CanSetZoomType(wxWebViewZoomType type) const
614 {
615 switch (type)
616 {
617 // for now that's the only one that is supported
618 // TODO: I know recent versions of webkit support layout zoom too,
619 // check if we can support it
620 case wxWEBVIEW_ZOOM_TYPE_TEXT:
621 return true;
622
623 default:
624 return false;
625 }
626 }
627
628 int wxWebViewWebKit::GetScrollPos()
629 {
630 id result = [[m_webView windowScriptObject]
631 evaluateWebScript:@"document.body.scrollTop"];
632 return [result intValue];
633 }
634
635 void wxWebViewWebKit::SetScrollPos(int pos)
636 {
637 if ( !m_webView )
638 return;
639
640 wxString javascript;
641 javascript.Printf(wxT("document.body.scrollTop = %d;"), pos);
642 [[m_webView windowScriptObject] evaluateWebScript:
643 (NSString*)wxNSStringWithWxString( javascript )];
644 }
645
646 wxString wxWebViewWebKit::GetSelectedText() const
647 {
648 NSString* selection = [[m_webView selectedDOMRange] markupString];
649 if (!selection) return wxEmptyString;
650
651 return wxStringWithNSString(selection);
652 }
653
654 void wxWebViewWebKit::RunScript(const wxString& javascript)
655 {
656 if ( !m_webView )
657 return;
658
659 [[m_webView windowScriptObject] evaluateWebScript:
660 (NSString*)wxNSStringWithWxString( javascript )];
661 }
662
663 void wxWebViewWebKit::OnSize(wxSizeEvent &event)
664 {
665 #if defined(__WXMAC__) && wxOSX_USE_CARBON
666 // This is a nasty hack because WebKit seems to lose its position when it is
667 // embedded in a control that is not itself the content view for a TLW.
668 // I put it in OnSize because these calcs are not perfect, and in fact are
669 // basically guesses based on reverse engineering, so it's best to give
670 // people the option of overriding OnSize with their own calcs if need be.
671 // I also left some test debugging print statements as a convenience if
672 // a(nother) problem crops up.
673
674 wxWindow* tlw = MacGetTopLevelWindow();
675
676 NSRect frame = [(WebView*)m_webView frame];
677 NSRect bounds = [(WebView*)m_webView bounds];
678
679 #if DEBUG_WEBKIT_SIZING
680 fprintf(stderr,"Carbon window x=%d, y=%d, width=%d, height=%d\n",
681 GetPosition().x, GetPosition().y, GetSize().x, GetSize().y);
682 fprintf(stderr, "Cocoa window frame x=%G, y=%G, width=%G, height=%G\n",
683 frame.origin.x, frame.origin.y,
684 frame.size.width, frame.size.height);
685 fprintf(stderr, "Cocoa window bounds x=%G, y=%G, width=%G, height=%G\n",
686 bounds.origin.x, bounds.origin.y,
687 bounds.size.width, bounds.size.height);
688 #endif
689
690 // This must be the case that Apple tested with, because well, in this one case
691 // we don't need to do anything! It just works. ;)
692 if (GetParent() == tlw) return;
693
694 // since we no longer use parent coordinates, we always want 0,0.
695 int x = 0;
696 int y = 0;
697
698 HIRect rect;
699 rect.origin.x = x;
700 rect.origin.y = y;
701
702 #if DEBUG_WEBKIT_SIZING
703 printf("Before conversion, origin is: x = %d, y = %d\n", x, y);
704 #endif
705
706 // NB: In most cases, when calling HIViewConvertRect, what people want is to
707 // use GetRootControl(), and this tripped me up at first. But in fact, what
708 // we want is the root view, because we need to make the y origin relative
709 // to the very top of the window, not its contents, since we later flip
710 // the y coordinate for Cocoa.
711 HIViewConvertRect (&rect, GetPeer()->GetControlRef(),
712 HIViewGetRoot(
713 (WindowRef) MacGetTopLevelWindowRef()
714 ));
715
716 x = (int)rect.origin.x;
717 y = (int)rect.origin.y;
718
719 #if DEBUG_WEBKIT_SIZING
720 printf("Moving Cocoa frame origin to: x = %d, y = %d\n", x, y);
721 #endif
722
723 if (tlw){
724 //flip the y coordinate to convert to Cocoa coordinates
725 y = tlw->GetSize().y - ((GetSize().y) + y);
726 }
727
728 #if DEBUG_WEBKIT_SIZING
729 printf("y = %d after flipping value\n", y);
730 #endif
731
732 frame.origin.x = x;
733 frame.origin.y = y;
734 [(WebView*)m_webView setFrame:frame];
735
736 if (IsShown())
737 [(WebView*)m_webView display];
738 event.Skip();
739 #endif
740 }
741
742 void wxWebViewWebKit::MacVisibilityChanged(){
743 #if defined(__WXMAC__) && wxOSX_USE_CARBON
744 bool isHidden = !IsControlVisible( GetPeer()->GetControlRef());
745 if (!isHidden)
746 [(WebView*)m_webView display];
747
748 [m_webView setHidden:isHidden];
749 #endif
750 }
751
752 void wxWebViewWebKit::LoadURL(const wxString& url)
753 {
754 [[m_webView mainFrame] loadRequest:[NSURLRequest requestWithURL:
755 [NSURL URLWithString:wxNSStringWithWxString(url)]]];
756 }
757
758 wxString wxWebViewWebKit::GetCurrentURL() const
759 {
760 return wxStringWithNSString([m_webView mainFrameURL]);
761 }
762
763 wxString wxWebViewWebKit::GetCurrentTitle() const
764 {
765 return wxStringWithNSString([m_webView mainFrameTitle]);
766 }
767
768 float wxWebViewWebKit::GetWebkitZoom() const
769 {
770 return [m_webView textSizeMultiplier];
771 }
772
773 void wxWebViewWebKit::SetWebkitZoom(float zoom)
774 {
775 [m_webView setTextSizeMultiplier:zoom];
776 }
777
778 wxWebViewZoom wxWebViewWebKit::GetZoom() const
779 {
780 float zoom = GetWebkitZoom();
781
782 // arbitrary way to map float zoom to our common zoom enum
783 if (zoom <= 0.55)
784 {
785 return wxWEBVIEW_ZOOM_TINY;
786 }
787 else if (zoom > 0.55 && zoom <= 0.85)
788 {
789 return wxWEBVIEW_ZOOM_SMALL;
790 }
791 else if (zoom > 0.85 && zoom <= 1.15)
792 {
793 return wxWEBVIEW_ZOOM_MEDIUM;
794 }
795 else if (zoom > 1.15 && zoom <= 1.45)
796 {
797 return wxWEBVIEW_ZOOM_LARGE;
798 }
799 else if (zoom > 1.45)
800 {
801 return wxWEBVIEW_ZOOM_LARGEST;
802 }
803
804 // to shut up compilers, this can never be reached logically
805 wxASSERT(false);
806 return wxWEBVIEW_ZOOM_MEDIUM;
807 }
808
809 void wxWebViewWebKit::SetZoom(wxWebViewZoom zoom)
810 {
811 // arbitrary way to map our common zoom enum to float zoom
812 switch (zoom)
813 {
814 case wxWEBVIEW_ZOOM_TINY:
815 SetWebkitZoom(0.4f);
816 break;
817
818 case wxWEBVIEW_ZOOM_SMALL:
819 SetWebkitZoom(0.7f);
820 break;
821
822 case wxWEBVIEW_ZOOM_MEDIUM:
823 SetWebkitZoom(1.0f);
824 break;
825
826 case wxWEBVIEW_ZOOM_LARGE:
827 SetWebkitZoom(1.3);
828 break;
829
830 case wxWEBVIEW_ZOOM_LARGEST:
831 SetWebkitZoom(1.6);
832 break;
833
834 default:
835 wxASSERT(false);
836 }
837
838 }
839
840 void wxWebViewWebKit::DoSetPage(const wxString& src, const wxString& baseUrl)
841 {
842 if ( !m_webView )
843 return;
844
845 [[m_webView mainFrame] loadHTMLString:(NSString*)wxNSStringWithWxString(src)
846 baseURL:[NSURL URLWithString:
847 wxNSStringWithWxString( baseUrl )]];
848 }
849
850 void wxWebViewWebKit::Cut()
851 {
852 if ( !m_webView )
853 return;
854
855 [(WebView*)m_webView cut:m_webView];
856 }
857
858 void wxWebViewWebKit::Copy()
859 {
860 if ( !m_webView )
861 return;
862
863 [(WebView*)m_webView copy:m_webView];
864 }
865
866 void wxWebViewWebKit::Paste()
867 {
868 if ( !m_webView )
869 return;
870
871 [(WebView*)m_webView paste:m_webView];
872 }
873
874 void wxWebViewWebKit::DeleteSelection()
875 {
876 if ( !m_webView )
877 return;
878
879 [(WebView*)m_webView deleteSelection];
880 }
881
882 bool wxWebViewWebKit::HasSelection() const
883 {
884 DOMRange* range = [m_webView selectedDOMRange];
885 if(!range)
886 {
887 return false;
888 }
889 else
890 {
891 return true;
892 }
893 }
894
895 void wxWebViewWebKit::ClearSelection()
896 {
897 //We use javascript as selection isn't exposed at the moment in webkit
898 RunScript("window.getSelection().removeAllRanges();");
899 }
900
901 void wxWebViewWebKit::SelectAll()
902 {
903 RunScript("window.getSelection().selectAllChildren(document.body);");
904 }
905
906 wxString wxWebViewWebKit::GetSelectedSource() const
907 {
908 wxString script = ("var range = window.getSelection().getRangeAt(0);"
909 "var element = document.createElement('div');"
910 "element.appendChild(range.cloneContents());"
911 "return element.innerHTML;");
912 id result = [[m_webView windowScriptObject]
913 evaluateWebScript:wxNSStringWithWxString(script)];
914 return wxStringWithNSString([result stringValue]);
915 }
916
917 wxString wxWebViewWebKit::GetPageText() const
918 {
919 id result = [[m_webView windowScriptObject]
920 evaluateWebScript:@"document.body.textContent"];
921 return wxStringWithNSString([result stringValue]);
922 }
923
924 void wxWebViewWebKit::EnableHistory(bool enable)
925 {
926 if ( !m_webView )
927 return;
928
929 [m_webView setMaintainsBackForwardList:enable];
930 }
931
932 void wxWebViewWebKit::ClearHistory()
933 {
934 [m_webView setMaintainsBackForwardList:NO];
935 [m_webView setMaintainsBackForwardList:YES];
936 }
937
938 wxVector<wxSharedPtr<wxWebViewHistoryItem> > wxWebViewWebKit::GetBackwardHistory()
939 {
940 wxVector<wxSharedPtr<wxWebViewHistoryItem> > backhist;
941 WebBackForwardList* history = [m_webView backForwardList];
942 int count = [history backListCount];
943 for(int i = -count; i < 0; i++)
944 {
945 WebHistoryItem* item = [history itemAtIndex:i];
946 wxString url = wxStringWithNSString([item URLString]);
947 wxString title = wxStringWithNSString([item title]);
948 wxWebViewHistoryItem* wxitem = new wxWebViewHistoryItem(url, title);
949 wxitem->m_histItem = item;
950 wxSharedPtr<wxWebViewHistoryItem> itemptr(wxitem);
951 backhist.push_back(itemptr);
952 }
953 return backhist;
954 }
955
956 wxVector<wxSharedPtr<wxWebViewHistoryItem> > wxWebViewWebKit::GetForwardHistory()
957 {
958 wxVector<wxSharedPtr<wxWebViewHistoryItem> > forwardhist;
959 WebBackForwardList* history = [m_webView backForwardList];
960 int count = [history forwardListCount];
961 for(int i = 1; i <= count; i++)
962 {
963 WebHistoryItem* item = [history itemAtIndex:i];
964 wxString url = wxStringWithNSString([item URLString]);
965 wxString title = wxStringWithNSString([item title]);
966 wxWebViewHistoryItem* wxitem = new wxWebViewHistoryItem(url, title);
967 wxitem->m_histItem = item;
968 wxSharedPtr<wxWebViewHistoryItem> itemptr(wxitem);
969 forwardhist.push_back(itemptr);
970 }
971 return forwardhist;
972 }
973
974 void wxWebViewWebKit::LoadHistoryItem(wxSharedPtr<wxWebViewHistoryItem> item)
975 {
976 [m_webView goToBackForwardItem:item->m_histItem];
977 }
978
979 bool wxWebViewWebKit::CanUndo() const
980 {
981 return [[m_webView undoManager] canUndo];
982 }
983
984 bool wxWebViewWebKit::CanRedo() const
985 {
986 return [[m_webView undoManager] canRedo];
987 }
988
989 void wxWebViewWebKit::Undo()
990 {
991 [[m_webView undoManager] undo];
992 }
993
994 void wxWebViewWebKit::Redo()
995 {
996 [[m_webView undoManager] redo];
997 }
998
999 void wxWebViewWebKit::RegisterHandler(wxSharedPtr<wxWebViewHandler> handler)
1000 {
1001 g_stringHandlerMap[handler->GetName()] = handler;
1002 }
1003
1004 //------------------------------------------------------------
1005 // Listener interfaces
1006 //------------------------------------------------------------
1007
1008 // NB: I'm still tracking this down, but it appears the Cocoa window
1009 // still has these events fired on it while the Carbon control is being
1010 // destroyed. Therefore, we must be careful to check both the existence
1011 // of the Carbon control and the event handler before firing events.
1012
1013 @implementation WebViewLoadDelegate
1014
1015 - initWithWxWindow: (wxWebViewWebKit*)inWindow
1016 {
1017 [super init];
1018 webKitWindow = inWindow; // non retained
1019 return self;
1020 }
1021
1022 - (void)webView:(WebView *)sender
1023 didStartProvisionalLoadForFrame:(WebFrame *)frame
1024 {
1025 webKitWindow->m_busy = true;
1026 }
1027
1028 - (void)webView:(WebView *)sender didCommitLoadForFrame:(WebFrame *)frame
1029 {
1030 webKitWindow->m_busy = true;
1031
1032 if (webKitWindow && frame == [sender mainFrame]){
1033 NSString *url = [[[[frame dataSource] request] URL] absoluteString];
1034 wxString target = wxStringWithNSString([frame name]);
1035 wxWebViewEvent event(wxEVT_COMMAND_WEBVIEW_NAVIGATED,
1036 webKitWindow->GetId(),
1037 wxStringWithNSString( url ),
1038 target);
1039
1040 if (webKitWindow && webKitWindow->GetEventHandler())
1041 webKitWindow->GetEventHandler()->ProcessEvent(event);
1042 }
1043 }
1044
1045 - (void)webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame
1046 {
1047 webKitWindow->m_busy = false;
1048
1049 if (webKitWindow && frame == [sender mainFrame]){
1050 NSString *url = [[[[frame dataSource] request] URL] absoluteString];
1051
1052 wxString target = wxStringWithNSString([frame name]);
1053 wxWebViewEvent event(wxEVT_COMMAND_WEBVIEW_LOADED,
1054 webKitWindow->GetId(),
1055 wxStringWithNSString( url ),
1056 target);
1057
1058 if (webKitWindow && webKitWindow->GetEventHandler())
1059 webKitWindow->GetEventHandler()->ProcessEvent(event);
1060 }
1061 }
1062
1063 wxString nsErrorToWxHtmlError(NSError* error, wxWebViewNavigationError* out)
1064 {
1065 *out = wxWEBVIEW_NAV_ERR_OTHER;
1066
1067 if ([[error domain] isEqualToString:NSURLErrorDomain])
1068 {
1069 switch ([error code])
1070 {
1071 case NSURLErrorCannotFindHost:
1072 case NSURLErrorFileDoesNotExist:
1073 case NSURLErrorRedirectToNonExistentLocation:
1074 *out = wxWEBVIEW_NAV_ERR_NOT_FOUND;
1075 break;
1076
1077 case NSURLErrorResourceUnavailable:
1078 case NSURLErrorHTTPTooManyRedirects:
1079 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
1080 case NSURLErrorDataLengthExceedsMaximum:
1081 #endif
1082 case NSURLErrorBadURL:
1083 case NSURLErrorFileIsDirectory:
1084 *out = wxWEBVIEW_NAV_ERR_REQUEST;
1085 break;
1086
1087 case NSURLErrorTimedOut:
1088 case NSURLErrorDNSLookupFailed:
1089 case NSURLErrorNetworkConnectionLost:
1090 case NSURLErrorCannotConnectToHost:
1091 case NSURLErrorNotConnectedToInternet:
1092 //case NSURLErrorInternationalRoamingOff:
1093 //case NSURLErrorCallIsActive:
1094 //case NSURLErrorDataNotAllowed:
1095 *out = wxWEBVIEW_NAV_ERR_CONNECTION;
1096 break;
1097
1098 case NSURLErrorCancelled:
1099 case NSURLErrorUserCancelledAuthentication:
1100 *out = wxWEBVIEW_NAV_ERR_USER_CANCELLED;
1101 break;
1102
1103 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
1104 case NSURLErrorCannotDecodeRawData:
1105 case NSURLErrorCannotDecodeContentData:
1106 case NSURLErrorCannotParseResponse:
1107 #endif
1108 case NSURLErrorBadServerResponse:
1109 *out = wxWEBVIEW_NAV_ERR_REQUEST;
1110 break;
1111
1112 case NSURLErrorUserAuthenticationRequired:
1113 case NSURLErrorSecureConnectionFailed:
1114 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
1115 case NSURLErrorClientCertificateRequired:
1116 #endif
1117 *out = wxWEBVIEW_NAV_ERR_AUTH;
1118 break;
1119
1120 case NSURLErrorNoPermissionsToReadFile:
1121 *out = wxWEBVIEW_NAV_ERR_SECURITY;
1122 break;
1123
1124 case NSURLErrorServerCertificateHasBadDate:
1125 case NSURLErrorServerCertificateUntrusted:
1126 case NSURLErrorServerCertificateHasUnknownRoot:
1127 case NSURLErrorServerCertificateNotYetValid:
1128 case NSURLErrorClientCertificateRejected:
1129 *out = wxWEBVIEW_NAV_ERR_CERTIFICATE;
1130 break;
1131 }
1132 }
1133
1134 wxString message = wxStringWithNSString([error localizedDescription]);
1135 NSString* detail = [error localizedFailureReason];
1136 if (detail != NULL)
1137 {
1138 message = message + " (" + wxStringWithNSString(detail) + ")";
1139 }
1140 return message;
1141 }
1142
1143 - (void)webView:(WebView *)sender didFailLoadWithError:(NSError*) error
1144 forFrame:(WebFrame *)frame
1145 {
1146 webKitWindow->m_busy = false;
1147
1148 if (webKitWindow && frame == [sender mainFrame]){
1149 NSString *url = [[[[frame dataSource] request] URL] absoluteString];
1150
1151 wxWebViewNavigationError type;
1152 wxString description = nsErrorToWxHtmlError(error, &type);
1153 wxWebViewEvent event(wxEVT_COMMAND_WEBVIEW_ERROR,
1154 webKitWindow->GetId(),
1155 wxStringWithNSString( url ),
1156 wxEmptyString);
1157 event.SetString(description);
1158 event.SetInt(type);
1159
1160 if (webKitWindow && webKitWindow->GetEventHandler())
1161 {
1162 webKitWindow->GetEventHandler()->ProcessEvent(event);
1163 }
1164 }
1165 }
1166
1167 - (void)webView:(WebView *)sender
1168 didFailProvisionalLoadWithError:(NSError*)error
1169 forFrame:(WebFrame *)frame
1170 {
1171 webKitWindow->m_busy = false;
1172
1173 if (webKitWindow && frame == [sender mainFrame]){
1174 NSString *url = [[[[frame provisionalDataSource] request] URL]
1175 absoluteString];
1176
1177 wxWebViewNavigationError type;
1178 wxString description = nsErrorToWxHtmlError(error, &type);
1179 wxWebViewEvent event(wxEVT_COMMAND_WEBVIEW_ERROR,
1180 webKitWindow->GetId(),
1181 wxStringWithNSString( url ),
1182 wxEmptyString);
1183 event.SetString(description);
1184 event.SetInt(type);
1185
1186 if (webKitWindow && webKitWindow->GetEventHandler())
1187 webKitWindow->GetEventHandler()->ProcessEvent(event);
1188 }
1189 }
1190
1191 - (void)webView:(WebView *)sender didReceiveTitle:(NSString *)title
1192 forFrame:(WebFrame *)frame
1193 {
1194 wxString target = wxStringWithNSString([frame name]);
1195 wxWebViewEvent event(wxEVT_COMMAND_WEBVIEW_TITLE_CHANGED,
1196 webKitWindow->GetId(),
1197 webKitWindow->GetCurrentURL(),
1198 target);
1199
1200 event.SetString(wxStringWithNSString(title));
1201
1202 if (webKitWindow && webKitWindow->GetEventHandler())
1203 webKitWindow->GetEventHandler()->ProcessEvent(event);
1204 }
1205 @end
1206
1207 @implementation WebViewPolicyDelegate
1208
1209 - initWithWxWindow: (wxWebViewWebKit*)inWindow
1210 {
1211 [super init];
1212 webKitWindow = inWindow; // non retained
1213 return self;
1214 }
1215
1216 - (void)webView:(WebView *)sender
1217 decidePolicyForNavigationAction:(NSDictionary *)actionInformation
1218 request:(NSURLRequest *)request
1219 frame:(WebFrame *)frame
1220 decisionListener:(id<WebPolicyDecisionListener>)listener
1221 {
1222 wxUnusedVar(frame);
1223
1224 webKitWindow->m_busy = true;
1225 NSString *url = [[request URL] absoluteString];
1226 wxString target = wxStringWithNSString([frame name]);
1227 wxWebViewEvent event(wxEVT_COMMAND_WEBVIEW_NAVIGATING,
1228 webKitWindow->GetId(),
1229 wxStringWithNSString( url ), target);
1230
1231 if (webKitWindow && webKitWindow->GetEventHandler())
1232 webKitWindow->GetEventHandler()->ProcessEvent(event);
1233
1234 if (!event.IsAllowed())
1235 {
1236 webKitWindow->m_busy = false;
1237 [listener ignore];
1238 }
1239 else
1240 {
1241 [listener use];
1242 }
1243 }
1244
1245 - (void)webView:(WebView *)sender
1246 decidePolicyForNewWindowAction:(NSDictionary *)actionInformation
1247 request:(NSURLRequest *)request
1248 newFrameName:(NSString *)frameName
1249 decisionListener:(id < WebPolicyDecisionListener >)listener
1250 {
1251 wxUnusedVar(actionInformation);
1252
1253 NSString *url = [[request URL] absoluteString];
1254 wxWebViewEvent event(wxEVT_COMMAND_WEBVIEW_NEWWINDOW,
1255 webKitWindow->GetId(),
1256 wxStringWithNSString( url ), "");
1257
1258 if (webKitWindow && webKitWindow->GetEventHandler())
1259 webKitWindow->GetEventHandler()->ProcessEvent(event);
1260
1261 [listener ignore];
1262 }
1263 @end
1264
1265 @implementation WebViewCustomProtocol
1266
1267 + (BOOL)canInitWithRequest:(NSURLRequest *)request
1268 {
1269 NSString *scheme = [[request URL] scheme];
1270
1271 wxStringToWebHandlerMap::const_iterator it;
1272 for( it = g_stringHandlerMap.begin(); it != g_stringHandlerMap.end(); ++it )
1273 {
1274 if(it->first.IsSameAs(wxStringWithNSString(scheme)))
1275 {
1276 return YES;
1277 }
1278 }
1279
1280 return NO;
1281 }
1282
1283 + (NSURLRequest *)canonicalRequestForRequest:(NSURLRequest *)request
1284 {
1285 //We don't do any processing here as the wxWebViewHandler classes do it
1286 return request;
1287 }
1288
1289 - (void)startLoading
1290 {
1291 NSURLRequest *request = [self request];
1292 NSString* path = [[request URL] absoluteString];
1293
1294 wxString wxpath = wxStringWithNSString(path);
1295 wxString scheme = wxStringWithNSString([[request URL] scheme]);
1296 wxFSFile* file = g_stringHandlerMap[scheme]->GetFile(wxpath);
1297 size_t length = file->GetStream()->GetLength();
1298
1299
1300 NSURLResponse *response = [[NSURLResponse alloc] initWithURL:[request URL]
1301 MIMEType:wxNSStringWithWxString(file->GetMimeType())
1302 expectedContentLength:length
1303 textEncodingName:nil];
1304
1305 //Load the data, we malloc it so it is tidied up properly
1306 void* buffer = malloc(length);
1307 file->GetStream()->Read(buffer, length);
1308 NSData *data = [[NSData alloc] initWithBytesNoCopy:buffer length:length];
1309
1310 id<NSURLProtocolClient> client = [self client];
1311
1312 //We do not support caching anything yet
1313 [client URLProtocol:self didReceiveResponse:response
1314 cacheStoragePolicy:NSURLCacheStorageNotAllowed];
1315
1316 //Set the data
1317 [client URLProtocol:self didLoadData:data];
1318
1319 //Notify that we have finished
1320 [client URLProtocolDidFinishLoading:self];
1321
1322 [response release];
1323 }
1324
1325 - (void)stopLoading
1326 {
1327
1328 }
1329
1330 @end
1331
1332
1333 @implementation WebViewUIDelegate
1334
1335 - initWithWxWindow: (wxWebViewWebKit*)inWindow
1336 {
1337 [super init];
1338 webKitWindow = inWindow; // non retained
1339 return self;
1340 }
1341
1342 - (void)webView:(WebView *)sender printFrameView:(WebFrameView *)frameView
1343 {
1344 wxUnusedVar(sender);
1345 wxUnusedVar(frameView);
1346
1347 webKitWindow->Print();
1348 }
1349
1350 - (NSArray *)webView:(WebView *)sender contextMenuItemsForElement:(NSDictionary *)element
1351 defaultMenuItems:(NSArray *) defaultMenuItems
1352 {
1353 if(webKitWindow->IsContextMenuEnabled())
1354 return defaultMenuItems;
1355 else
1356 return nil;
1357 }
1358 @end
1359
1360 #endif //wxUSE_WEBVIEW && wxUSE_WEBVIEW_WEBKIT