Skip to main content
aboutsummaryrefslogtreecommitdiffstats
blob: 70fac66537d2c289c17f19a6ae3b874e13aa7fe6 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
/*******************************************************************************
 * Copyright (c) 2000, 2017 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.browser;

import java.util.*;

import org.eclipse.swt.*;
import org.eclipse.swt.internal.*;
import org.eclipse.swt.internal.ole.win32.*;
import org.eclipse.swt.internal.win32.*;
import org.eclipse.swt.ole.win32.*;
import org.eclipse.swt.widgets.*;

class WebSite extends OleControlSite {
	COMObject iDocHostUIHandler;
	COMObject iDocHostShowUI;
	COMObject iServiceProvider;
	COMObject iInternetSecurityManager;
	COMObject iOleCommandTarget;
	COMObject iAuthenticate;
	COMObject iDispatch;
	boolean ignoreNextMessage, ignoreAllMessages;
	boolean isForceTrusted;
	Boolean canExecuteApplets;

	static final int OLECMDID_SHOWSCRIPTERROR = 40;
	static final short [] ACCENTS = new short [] {'~', '`', '\'', '^', '"'};
	static final String CONSUME_KEY = "org.eclipse.swt.OleFrame.ConsumeKey"; //$NON-NLS-1$

public WebSite(Composite parent, int style, String progId) {
	super(parent, style, progId);
}

@Override
protected void createCOMInterfaces () {
	super.createCOMInterfaces();
	iDocHostUIHandler = new COMObject(new int[]{2, 0, 0, 4, 1, 5, 0, 0, 1, 1, 1, 3, 3, 2, 2, 1, 3, 2}){
		@Override
		public long /*int*/ method0(long /*int*/[] args) {return QueryInterface(args[0], args[1]);}
		@Override
		public long /*int*/ method1(long /*int*/[] args) {return AddRef();}
		@Override
		public long /*int*/ method2(long /*int*/[] args) {return Release();}
		@Override
		public long /*int*/ method3(long /*int*/[] args) {return ShowContextMenu((int)/*64*/args[0], args[1], args[2], args[3]);}
		@Override
		public long /*int*/ method4(long /*int*/[] args) {return GetHostInfo(args[0]);}
		@Override
		public long /*int*/ method5(long /*int*/[] args) {return ShowUI((int)/*64*/args[0], args[1], args[2], args[3], args[4]);}
		@Override
		public long /*int*/ method6(long /*int*/[] args) {return HideUI();}
		@Override
		public long /*int*/ method7(long /*int*/[] args) {return UpdateUI();}
		@Override
		public long /*int*/ method8(long /*int*/[] args) {return EnableModeless((int)/*64*/args[0]);}
		@Override
		public long /*int*/ method9(long /*int*/[] args) {return OnDocWindowActivate((int)/*64*/args[0]);}
		@Override
		public long /*int*/ method10(long /*int*/[] args) {return OnFrameWindowActivate((int)/*64*/args[0]);}
		@Override
		public long /*int*/ method11(long /*int*/[] args) {return ResizeBorder(args[0], args[1], (int)/*64*/args[2]);}
		@Override
		public long /*int*/ method12(long /*int*/[] args) {return TranslateAccelerator(args[0], args[1], (int)/*64*/args[2]);}
		@Override
		public long /*int*/ method13(long /*int*/[] args) {return GetOptionKeyPath(args[0], (int)/*64*/args[1]);}
		@Override
		public long /*int*/ method14(long /*int*/[] args) {return GetDropTarget(args[0], args[1]);}
		@Override
		public long /*int*/ method15(long /*int*/[] args) {return GetExternal(args[0]);}
		@Override
		public long /*int*/ method16(long /*int*/[] args) {return TranslateUrl((int)/*64*/args[0], args[1], args[2]);}
		@Override
		public long /*int*/ method17(long /*int*/[] args) {return FilterDataObject(args[0], args[1]);}
	};
	iDocHostShowUI = new COMObject(new int[]{2, 0, 0, 7, C.PTR_SIZEOF == 4 ? 7 : 6}){
		@Override
		public long /*int*/ method0(long /*int*/[] args) {return QueryInterface(args[0], args[1]);}
		@Override
		public long /*int*/ method1(long /*int*/[] args) {return AddRef();}
		@Override
		public long /*int*/ method2(long /*int*/[] args) {return Release();}
		@Override
		public long /*int*/ method3(long /*int*/[] args) {return ShowMessage(args[0], args[1], args[2], (int)/*64*/args[3], args[4], (int)/*64*/args[5], args[6]);}
		@Override
		public long /*int*/ method4(long /*int*/[] args) {
			if (args.length == 7) {
				return ShowHelp(args[0], args[1], (int)/*64*/args[2], (int)/*64*/args[3], (int)/*64*/args[4], (int)/*64*/args[5], args[6]);
			} else {
				return ShowHelp_64(args[0], args[1], (int)/*64*/args[2], (int)/*64*/args[3], args[4], args[5]);
			}
		}
	};
	iServiceProvider = new COMObject(new int[]{2, 0, 0, 3}){
		@Override
		public long /*int*/ method0(long /*int*/[] args) {return QueryInterface(args[0], args[1]);}
		@Override
		public long /*int*/ method1(long /*int*/[] args) {return AddRef();}
		@Override
		public long /*int*/ method2(long /*int*/[] args) {return Release();}
		@Override
		public long /*int*/ method3(long /*int*/[] args) {return QueryService(args[0], args[1], args[2]);}
	};
	iInternetSecurityManager = new COMObject(new int[]{2, 0, 0, 1, 1, 3, 4, 8, 7, 3, 3}){
		@Override
		public long /*int*/ method0(long /*int*/[] args) {return QueryInterface(args[0], args[1]);}
		@Override
		public long /*int*/ method1(long /*int*/[] args) {return AddRef();}
		@Override
		public long /*int*/ method2(long /*int*/[] args) {return Release();}
		@Override
		public long /*int*/ method3(long /*int*/[] args) {return SetSecuritySite(args[0]);}
		@Override
		public long /*int*/ method4(long /*int*/[] args) {return GetSecuritySite(args[0]);}
		@Override
		public long /*int*/ method5(long /*int*/[] args) {return MapUrlToZone(args[0], args[1], (int)/*64*/args[2]);}
		@Override
		public long /*int*/ method6(long /*int*/[] args) {return GetSecurityId(args[0], args[1], args[2], args[3]);}
		@Override
		public long /*int*/ method7(long /*int*/[] args) {return ProcessUrlAction(args[0], (int)/*64*/args[1], args[2], (int)/*64*/args[3], args[4], (int)/*64*/args[5], (int)/*64*/args[6], (int)/*64*/args[7]);}
		@Override
		public long /*int*/ method8(long /*int*/[] args) {return QueryCustomPolicy(args[0], args[1], args[2], args[3], args[4], (int)/*64*/args[5], (int)/*64*/args[6]);}
		@Override
		public long /*int*/ method9(long /*int*/[] args) {return SetZoneMapping((int)/*64*/args[0], args[1], (int)/*64*/args[2]);}
		@Override
		public long /*int*/ method10(long /*int*/[] args) {return GetZoneMappings((int)/*64*/args[0], args[1], (int)/*64*/args[2]);}
	};
	iOleCommandTarget = new COMObject(new int[]{2, 0, 0, 4, 5}) {
		@Override
		public long /*int*/ method0(long /*int*/[] args) {return QueryInterface(args[0], args[1]);}
		@Override
		public long /*int*/ method1(long /*int*/[] args) {return AddRef();}
		@Override
		public long /*int*/ method2(long /*int*/[] args) {return Release();}
		@Override
		public long /*int*/ method3(long /*int*/[] args) {return QueryStatus(args[0], (int)/*64*/args[1], args[2], args[3]);}
		@Override
		public long /*int*/ method4(long /*int*/[] args) {return Exec(args[0], (int)/*64*/args[1], (int)/*64*/args[2], args[3], args[4]);}
	};
	iAuthenticate = new COMObject(new int[]{2, 0, 0, 3}){
		@Override
		public long /*int*/ method0(long /*int*/[] args) {return QueryInterface(args[0], args[1]);}
		@Override
		public long /*int*/ method1(long /*int*/[] args) {return AddRef();}
		@Override
		public long /*int*/ method2(long /*int*/[] args) {return Release();}
		@Override
		public long /*int*/ method3(long /*int*/[] args) {return Authenticate(args[0], args[1], args[2]);}
	};
	iDispatch = new COMObject (new int[] {2, 0, 0, 1, 3, 5, 8}) {
		@Override
		public long /*int*/ method0 (long /*int*/[] args) {
			/*
			 * IDispatch check must be done here instead of in the shared QueryInterface
			 * implementation, to avoid answering the superclass's IDispatch implementation
			 * instead of this one.
			 */
			GUID guid = new GUID ();
			COM.MoveMemory (guid, args[0], GUID.sizeof);
			if (COM.IsEqualGUID (guid, COM.IIDIDispatch)) {
				OS.MoveMemory (args[1], new long /*int*/[] {iDispatch.getAddress ()}, C.PTR_SIZEOF);
				AddRef ();
				return COM.S_OK;
			}
			return QueryInterface (args[0], args[1]);
		}
		@Override
		public long /*int*/ method1 (long /*int*/[] args) {return AddRef ();}
		@Override
		public long /*int*/ method2 (long /*int*/[] args) {return Release ();}
		@Override
		public long /*int*/ method3 (long /*int*/[] args) {return GetTypeInfoCount (args[0]);}
		@Override
		public long /*int*/ method4 (long /*int*/[] args) {return GetTypeInfo ((int)/*64*/args[0], (int)/*64*/args[1], args[2]);}
		@Override
		public long /*int*/ method5 (long /*int*/[] args) {return GetIDsOfNames ((int)/*64*/args[0], args[1], (int)/*64*/args[2], (int)/*64*/args[3], args[4]);}
		@Override
		public long /*int*/ method6 (long /*int*/[] args) {return Invoke ((int)/*64*/args[0], (int)/*64*/args[1], (int)/*64*/args[2], (int)/*64*/args[3], args[4], args[5], args[6], args[7]);}
	};
}

@Override
protected void disposeCOMInterfaces() {
	super.disposeCOMInterfaces();
	if (iDocHostUIHandler != null) {
		iDocHostUIHandler.dispose();
		iDocHostUIHandler = null;
	}
	if (iDocHostShowUI != null) {
		iDocHostShowUI.dispose();
		iDocHostShowUI = null;
	}
	if (iServiceProvider != null) {
		iServiceProvider.dispose();
		iServiceProvider = null;
	}
	if (iInternetSecurityManager != null) {
		iInternetSecurityManager.dispose();
		iInternetSecurityManager = null;
	}
	if (iOleCommandTarget != null) {
		iOleCommandTarget.dispose();
		iOleCommandTarget = null;
	}
	if (iAuthenticate != null) {
		iAuthenticate.dispose();
		iAuthenticate = null;
	}
	if (iDispatch != null) {
		iDispatch.dispose ();
		iDispatch = null;
	}
}

@Override
protected int AddRef() {
	/* Workaround for javac 1.1.8 bug */
	return super.AddRef();
}

@Override
protected int QueryInterface(long /*int*/ riid, long /*int*/ ppvObject) {
	int result = super.QueryInterface(riid, ppvObject);
	if (result == COM.S_OK) return result;
	if (riid == 0 || ppvObject == 0) return COM.E_INVALIDARG;
	GUID guid = new GUID();
	COM.MoveMemory(guid, riid, GUID.sizeof);
	if (COM.IsEqualGUID(guid, COM.IIDIDocHostUIHandler)) {
		OS.MoveMemory(ppvObject, new long /*int*/[] {iDocHostUIHandler.getAddress()}, C.PTR_SIZEOF);
		AddRef();
		return COM.S_OK;
	}
	if (COM.IsEqualGUID(guid, COM.IIDIDocHostShowUI)) {
		OS.MoveMemory(ppvObject, new long /*int*/[] {iDocHostShowUI.getAddress()}, C.PTR_SIZEOF);
		AddRef();
		return COM.S_OK;
	}
	if (COM.IsEqualGUID(guid, COM.IIDIServiceProvider)) {
		OS.MoveMemory(ppvObject, new long /*int*/[] {iServiceProvider.getAddress()}, C.PTR_SIZEOF);
		AddRef();
		return COM.S_OK;
	}
	if (COM.IsEqualGUID(guid, COM.IIDIInternetSecurityManager)) {
		OS.MoveMemory(ppvObject, new long /*int*/[] {iInternetSecurityManager.getAddress()}, C.PTR_SIZEOF);
		AddRef();
		return COM.S_OK;
	}
	if (COM.IsEqualGUID(guid, COM.IIDIOleCommandTarget)) {
		OS.MoveMemory(ppvObject, new long /*int*/[] {iOleCommandTarget.getAddress()}, C.PTR_SIZEOF);
		AddRef();
		return COM.S_OK;
	}
	OS.MoveMemory(ppvObject, new long /*int*/[] {0}, C.PTR_SIZEOF);
	return COM.E_NOINTERFACE;
}

/* IDocHostUIHandler */

int EnableModeless(int EnableModeless) {
	return COM.E_NOTIMPL;
}

int FilterDataObject(long /*int*/ pDO, long /*int*/ ppDORet) {
	return COM.E_NOTIMPL;
}

int GetDropTarget(long /*int*/ pDropTarget, long /*int*/ ppDropTarget) {
	return COM.E_NOTIMPL;
}

int GetExternal(long /*int*/ ppDispatch) {
	OS.MoveMemory (ppDispatch, new long /*int*/[] {iDispatch.getAddress()}, C.PTR_SIZEOF);
	AddRef ();
	return COM.S_OK;
}

int GetHostInfo(long /*int*/ pInfo) {
	int info = IE.DOCHOSTUIFLAG_THEME | IE.DOCHOSTUIFLAG_ENABLE_REDIRECT_NOTIFICATION | IE.DOCHOSTUIFLAG_DPI_AWARE;
	IE browser = (IE)((Browser)getParent().getParent()).webBrowser;
	if ((browser.style & SWT.BORDER) == 0) info |= IE.DOCHOSTUIFLAG_NO3DOUTERBORDER;
	DOCHOSTUIINFO uiInfo = new DOCHOSTUIINFO ();
	OS.MoveMemory(uiInfo, pInfo, DOCHOSTUIINFO.sizeof);
	uiInfo.dwFlags = info;
	OS.MoveMemory(pInfo, uiInfo, DOCHOSTUIINFO.sizeof);
	return COM.S_OK;
}

int GetOptionKeyPath(long /*int*/ pchKey, int dw) {
	return COM.E_NOTIMPL;
}

int HideUI() {
	return COM.E_NOTIMPL;
}

int OnDocWindowActivate(int fActivate) {
	return COM.E_NOTIMPL;
}

int OnFrameWindowActivate(int fActivate) {
	return COM.E_NOTIMPL;
}

@Override
protected int Release() {
	/* Workaround for javac 1.1.8 bug */
	return super.Release();
}

int ResizeBorder(long /*int*/ prcBorder, long /*int*/ pUIWindow, int fFrameWindow) {
	return COM.E_NOTIMPL;
}

int ShowContextMenu(int dwID, long /*int*/ ppt, long /*int*/ pcmdtReserved, long /*int*/ pdispReserved) {
	Browser browser = (Browser)getParent().getParent();
	Event event = new Event();
	POINT pt = new POINT();
	OS.MoveMemory(pt, ppt, POINT.sizeof);
	pt.x = DPIUtil.autoScaleDown(pt.x); // To Points
	pt.y = DPIUtil.autoScaleDown(pt.y); // To Points
	event.x = pt.x;
	event.y = pt.y;
	browser.notifyListeners(SWT.MenuDetect, event);
	if (!event.doit) return COM.S_OK;
	Menu menu = browser.getMenu();
	if (menu != null && !menu.isDisposed ()) {
		if (pt.x != event.x || pt.y != event.y) {
			menu.setLocation (event.x, event.y);
		}
		menu.setVisible (true);
		return COM.S_OK;
	}
	/* Show default IE popup menu */
	return COM.S_FALSE;
}

int ShowUI(int dwID, long /*int*/ pActiveObject, long /*int*/ pCommandTarget, long /*int*/ pFrame, long /*int*/ pDoc) {
	return COM.S_FALSE;
}

int TranslateAccelerator(long /*int*/ lpMsg, long /*int*/ pguidCmdGroup, int nCmdID) {
	/*
	* Feature in Internet Explorer.  By default the embedded Internet Explorer control runs
	* the Internet Explorer shortcuts (e.g. Ctrl+F for Find).  This overrides the shortcuts
	* defined by SWT.  The workaround is to forward the accelerator keys to the parent window
	* and have Internet Explorer ignore the ones handled by the parent window.
	*/
	Menu menubar = getShell().getMenuBar();
	if (menubar != null && !menubar.isDisposed() && menubar.isEnabled()) {
		Shell shell = menubar.getShell();
		long /*int*/ hwnd = shell.handle;
		long /*int*/ hAccel = OS.SendMessage(hwnd, OS.WM_APP+1, 0, 0);
		if (hAccel != 0) {
			MSG msg = new MSG();
			OS.MoveMemory(msg, lpMsg, MSG.sizeof);
			if (OS.TranslateAccelerator(hwnd, hAccel, msg) != 0) return COM.S_OK;
		}
	}
	/*
	* By default the IE shortcuts are run.  However, the shortcuts below should not run
	* in this context.  The workaround is to block IE from handling these shortcuts by
	* answering COM.S_OK.
	*
	* - F5 causes a refresh, which is not appropriate when rendering HTML from memory
	* - CTRL+L and CTRL+O show an Open Location dialog in IE8, which is undesirable and
	* can crash in some contexts
	* - CTRL+N opens a standalone IE, which is undesirable and can crash in some contexts
	*/
	int result = COM.S_FALSE;
	MSG msg = new MSG();
	OS.MoveMemory(msg, lpMsg, MSG.sizeof);
	if (msg.message == OS.WM_KEYDOWN) {
		switch ((int)/*64*/msg.wParam) {
			case OS.VK_F5:
				OleAutomation auto = new OleAutomation(this);
				int[] rgdispid = auto.getIDsOfNames(new String[] { "LocationURL" }); //$NON-NLS-1$
				Variant pVarResult = auto.getProperty(rgdispid[0]);
				auto.dispose();
				if (pVarResult != null) {
					if (pVarResult.getType() == OLE.VT_BSTR) {
						String url = pVarResult.getString();
						if (url.equals(IE.ABOUT_BLANK)) result = COM.S_OK;
					}
					pVarResult.dispose();
				}
				break;
			case OS.VK_TAB:
				/*
				 * Do not interfere with tab traversal since it's not known
				 * if it will be within IE or out to another Control.
				 */
				break;
			case OS.VK_UP:
			case OS.VK_DOWN:
			case OS.VK_LEFT:
			case OS.VK_RIGHT:
			case OS.VK_HOME:
			case OS.VK_END:
			case OS.VK_PRIOR:
			case OS.VK_NEXT:
				/* Do not translate/consume IE's keys for scrolling content. */
				break;
			case OS.VK_BACK:
			case OS.VK_RETURN:
				/*
				* Translating OS.VK_BACK or OS.VK_RETURN results in the native control
				* handling them twice (eg.- inserting two lines instead of one).  So
				* these keys are not translated here, and instead are explicitly handled
				* in the keypress handler.
				*/
				break;
			case OS.VK_L:
			case OS.VK_N:
			case OS.VK_O:
				if (OS.GetKeyState (OS.VK_CONTROL) < 0 && OS.GetKeyState (OS.VK_MENU) >= 0 && OS.GetKeyState (OS.VK_SHIFT) >= 0) {
					if (msg.wParam == OS.VK_N || IE.IEVersion >= 8) {
						frame.setData(CONSUME_KEY, "false"); //$NON-NLS-1$
						result = COM.S_OK;
						break;
					}
				}
				// FALL THROUGH
			default:
				OS.TranslateMessage(msg);
				frame.setData(CONSUME_KEY, "true"); //$NON-NLS-1$
				break;
		}
	}

	switch (msg.message) {
		case OS.WM_KEYDOWN:
		case OS.WM_KEYUP: {
			boolean isAccent = false;
			switch ((int)/*64*/msg.wParam) {
				case OS.VK_SHIFT:
				case OS.VK_MENU:
				case OS.VK_CONTROL:
				case OS.VK_CAPITAL:
				case OS.VK_NUMLOCK:
				case OS.VK_SCROLL:
					break;
				default: {
					int mapKey = OS.MapVirtualKey ((int)/*64*/msg.wParam, 2);
					if (mapKey != 0) {
						isAccent = (mapKey & 0x80000000) != 0;
						if (!isAccent) {
							for (int i=0; i<ACCENTS.length; i++) {
								int value = OS.VkKeyScan (ACCENTS [i]);
								if (value != -1 && (value & 0xFF) == msg.wParam) {
									int state = value >> 8;
									if ((OS.GetKeyState (OS.VK_SHIFT) < 0) == ((state & 0x1) != 0) &&
										(OS.GetKeyState (OS.VK_CONTROL) < 0) == ((state & 0x2) != 0) &&
										(OS.GetKeyState (OS.VK_MENU) < 0) == ((state & 0x4) != 0)) {
											if ((state & 0x7) != 0) isAccent = true;
											break;
									}
								}
							}
						}
					}
					break;
				}
			}
			if (isAccent) result = COM.S_OK;
		}
	}
	return result;
}

int TranslateUrl(int dwTranslate, long /*int*/ pchURLIn, long /*int*/ ppchURLOut) {
	return COM.E_NOTIMPL;
}

int UpdateUI() {
	return COM.E_NOTIMPL;
}

/* IDocHostShowUI */

int ShowMessage(long /*int*/ hwnd, long /*int*/ lpstrText, long /*int*/ lpstrCaption, int dwType, long /*int*/ lpstrHelpFile, int dwHelpContext, long /*int*/ plResult) {
	boolean ignore = ignoreNextMessage || ignoreAllMessages;
	ignoreNextMessage = false;
	return ignore ? COM.S_OK : COM.S_FALSE;
}

int ShowHelp_64(long /*int*/ hwnd, long /*int*/ pszHelpFile, int uCommand, int dwData, long pt, long /*int*/ pDispatchObjectHit) {
	POINT point = new POINT();
	OS.MoveMemory(point, new long[]{pt}, 8);
	return ShowHelp(hwnd, pszHelpFile, uCommand, dwData, point.x, point.y, pDispatchObjectHit);
}

/* Note.  One of the arguments of ShowHelp is a POINT struct and not a pointer to a POINT struct. Because
 * of the way Callback gets int parameters from a va_list of C arguments 2 integer arguments must be declared,
 * ptMouse_x and ptMouse_y. Otherwise the Browser crashes when the user presses F1 to invoke
 * the help.
 */
int ShowHelp(long /*int*/ hwnd, long /*int*/ pszHelpFile, int uCommand, int dwData, int ptMouse_x, int ptMouse_y, long /*int*/ pDispatchObjectHit) {
	Browser browser = (Browser)getParent().getParent();
	Event event = new Event();
	event.type = SWT.Help;
	event.display = getDisplay();
	event.widget = browser;
	Shell shell = browser.getShell();
	Control control = browser;
	do {
		if (control.isListening(SWT.Help)) {
			control.notifyListeners(SWT.Help, event);
			break;
		}
		if (control == shell) break;
		control = control.getParent();
	} while (true);
	return COM.S_OK;
}

/* IServiceProvider */

int QueryService(long /*int*/ guidService, long /*int*/ riid, long /*int*/ ppvObject) {
	if (riid == 0 || ppvObject == 0) return COM.E_INVALIDARG;
	GUID guid = new GUID();
	COM.MoveMemory(guid, riid, GUID.sizeof);
	if (COM.IsEqualGUID(guid, COM.IIDIInternetSecurityManager)) {
		OS.MoveMemory(ppvObject, new long /*int*/[] {iInternetSecurityManager.getAddress()}, C.PTR_SIZEOF);
		AddRef();
		return COM.S_OK;
	}
	if (COM.IsEqualGUID(guid, COM.IIDIAuthenticate)) {
		OS.MoveMemory(ppvObject, new long /*int*/[] {iAuthenticate.getAddress()}, C.PTR_SIZEOF);
		AddRef();
		return COM.S_OK;
	}
	OS.MoveMemory(ppvObject, new long /*int*/[] {0}, C.PTR_SIZEOF);
	return COM.E_NOINTERFACE;
}

/* IInternetSecurityManager */

int SetSecuritySite(long /*int*/ pSite) {
	return IE.INET_E_DEFAULT_ACTION;
}

int GetSecuritySite(long /*int*/ ppSite) {
	return IE.INET_E_DEFAULT_ACTION;
}

int MapUrlToZone(long /*int*/ pwszUrl, long /*int*/ pdwZone, int dwFlags) {
	/*
	* Feature in IE.  HTML rendered in memory does not enable local links
	* but the same HTML document loaded through a local file is permitted
	* to follow local links.  The workaround is to return URLZONE_INTRANET
	* instead of the default value URLZONE_LOCAL_MACHINE.
	*/
	if (isForceTrusted) {
		OS.MoveMemory(pdwZone, new int[] {IE.URLZONE_INTRANET}, 4);
		return COM.S_OK;
	}
	return IE.INET_E_DEFAULT_ACTION;
}

int GetSecurityId(long /*int*/ pwszUrl, long /*int*/ pbSecurityId, long /*int*/ pcbSecurityId, long /*int*/ dwReserved) {
	return IE.INET_E_DEFAULT_ACTION;
}

int ProcessUrlAction(long /*int*/ pwszUrl, int dwAction, long /*int*/ pPolicy, int cbPolicy, long /*int*/ pContext, int cbContext, int dwFlags, int dwReserved) {
	ignoreNextMessage = false;

	/*
	* If the current page is about:blank and is trusted then
	* override default zone elevation settings to allow the action.
	*/
	if (dwAction == IE.URLACTION_FEATURE_ZONE_ELEVATION) {
		IE ie = (IE)((Browser)getParent().getParent()).webBrowser;
		if (ie.auto != null && ie._getUrl().startsWith(IE.ABOUT_BLANK) && !ie.untrustedText) {
			if (cbPolicy >= 4) OS.MoveMemory(pPolicy, new int[] {IE.URLPOLICY_ALLOW}, 4);
			return COM.S_OK;
		}
	}

	int policy = IE.INET_E_DEFAULT_ACTION;

	if (dwAction >= IE.URLACTION_JAVA_MIN && dwAction <= IE.URLACTION_JAVA_MAX) {
		if (canExecuteApplets ()) {
			policy = IE.URLPOLICY_JAVA_LOW;
		} else {
			policy = IE.URLPOLICY_JAVA_PROHIBIT;
			ignoreNextMessage = true;
		}
	}
	if (dwAction == IE.URLACTION_ACTIVEX_RUN && pContext != 0) {
		GUID guid = new GUID();
		COM.MoveMemory(guid, pContext, GUID.sizeof);
		if (COM.IsEqualGUID(guid, COM.IIDJavaBeansBridge) && !canExecuteApplets ()) {
			policy = IE.URLPOLICY_DISALLOW;
			ignoreNextMessage = true;
		}
		if (COM.IsEqualGUID(guid, COM.IIDShockwaveActiveXControl)) {
			policy = IE.URLPOLICY_DISALLOW;
			ignoreNextMessage = true;
		}
	}
	if (dwAction == IE.URLACTION_SCRIPT_RUN) {
		IE browser = (IE)((Browser)getParent ().getParent ()).webBrowser;
		policy = browser.jsEnabled ? IE.URLPOLICY_ALLOW : IE.URLPOLICY_DISALLOW;
	}

	if (policy == IE.INET_E_DEFAULT_ACTION) return IE.INET_E_DEFAULT_ACTION;
	if (cbPolicy >= 4) OS.MoveMemory(pPolicy, new int[] {policy}, 4);
	return policy == IE.URLPOLICY_ALLOW ? COM.S_OK : COM.S_FALSE;
}

boolean canExecuteApplets () {
	/*
	* Executing an applet in embedded IE will crash if IE's Java plug-in
	* launches its jre in IE's process, because this new jre conflicts
	* with the one running eclipse.  These cases need to be avoided by
	* vetoing the running of applets.
	*
	* However as of Sun jre 1.6u10, applets can be launched in a separate
	* process, which avoids the conflict with the jre running eclipse.
	* Therefore if this condition is detected, and if the required jar
	* libraries are available, then applets can be executed.
	*/

	/*
	* executing applets with IE6 embedded can crash, so do not
	* attempt this if the version is less than IE7
	*/
	if (IE.IEVersion < 7) return false;

	if (canExecuteApplets == null) {
		WebBrowser webBrowser = ((Browser)getParent ().getParent ()).webBrowser;
		String script = "try {var element = document.createElement('object');element.classid='clsid:CAFEEFAC-DEC7-0000-0000-ABCDEFFEDCBA';return element.object.isPlugin2();} catch (err) {};return false;"; //$NON-NLS-1$
		canExecuteApplets = ((Boolean)webBrowser.evaluate (script));
		if (canExecuteApplets.booleanValue ()) {
			try {
				Class.forName ("sun.plugin2.main.server.IExplorerPlugin"); /* plugin.jar */	//$NON-NLS-1$
				Class.forName ("com.sun.deploy.services.Service"); /* deploy.jar */	//$NON-NLS-1$
				Class.forName ("com.sun.javaws.Globals"); /* javaws.jar */	//$NON-NLS-1$
			} catch (ClassNotFoundException e) {
				/* one or more of the required jar libraries are not available */
				canExecuteApplets = Boolean.FALSE;
			}
		}
	}
	return canExecuteApplets.booleanValue ();
}

int QueryCustomPolicy(long /*int*/ pwszUrl, long /*int*/ guidKey, long /*int*/ ppPolicy, long /*int*/ pcbPolicy, long /*int*/ pContext, int cbContext, int dwReserved) {
	return IE.INET_E_DEFAULT_ACTION;
}

int SetZoneMapping(int dwZone, long /*int*/ lpszPattern, int dwFlags) {
	return IE.INET_E_DEFAULT_ACTION;
}

int GetZoneMappings(int dwZone, long /*int*/ ppenumString, int dwFlags) {
	return COM.E_NOTIMPL;
}

/* IOleCommandTarget */
int QueryStatus(long /*int*/ pguidCmdGroup, int cCmds, long /*int*/ prgCmds, long /*int*/ pCmdText) {
	return COM.E_NOTSUPPORTED;
}

int Exec(long /*int*/ pguidCmdGroup, int nCmdID, int nCmdExecOpt, long /*int*/ pvaIn, long /*int*/ pvaOut) {
	if (pguidCmdGroup != 0) {
		GUID guid = new GUID();
		COM.MoveMemory(guid, pguidCmdGroup, GUID.sizeof);

		/*
		* If a javascript error occurred then suppress IE's default script error dialog.
		*/
		if (COM.IsEqualGUID(guid, COM.CGID_DocHostCommandHandler)) {
			if (nCmdID == OLECMDID_SHOWSCRIPTERROR) return COM.S_OK;
		}

		/*
		* Bug in Internet Explorer.  OnToolBar TRUE is also fired when any of the
		* address bar or menu bar are requested but not the tool bar.  A workaround
		* has been posted by a Microsoft developer on the public webbrowser_ctl
		* newsgroup. The workaround is to implement the IOleCommandTarget interface
		* to test the argument of an undocumented command.
		*/
		if (nCmdID == 1 && COM.IsEqualGUID(guid, COM.CGID_Explorer) && ((nCmdExecOpt & 0xFFFF) == 0xA)) {
			IE browser = (IE)((Browser)getParent().getParent()).webBrowser;
			browser.toolBar = (nCmdExecOpt & 0xFFFF0000) != 0;
		}
	}
	return COM.E_NOTSUPPORTED;
}

/* IAuthenticate */

int Authenticate (long /*int*/ hwnd, long /*int*/ szUsername, long /*int*/ szPassword) {
	IE browser = (IE)((Browser)getParent ().getParent ()).webBrowser;
	for (int i = 0; i < browser.authenticationListeners.length; i++) {
		AuthenticationEvent event = new AuthenticationEvent (browser.browser);
		event.location = browser.lastNavigateURL;
		browser.authenticationListeners[i].authenticate (event);
		if (!event.doit) return COM.E_ACCESSDENIED;
		if (event.user != null && event.password != null) {
			TCHAR user = new TCHAR (0, event.user, true);
			int size = user.length () * TCHAR.sizeof;
			long /*int*/ userPtr = OS.CoTaskMemAlloc (size);
			OS.MoveMemory (userPtr, user, size);
			TCHAR password = new TCHAR (0, event.password, true);
			size = password.length () * TCHAR.sizeof;
			long /*int*/ passwordPtr = OS.CoTaskMemAlloc (size);
			OS.MoveMemory (passwordPtr, password, size);
			C.memmove (hwnd, new long /*int*/[] {0}, C.PTR_SIZEOF);
			C.memmove (szUsername, new long /*int*/[] {userPtr}, C.PTR_SIZEOF);
			C.memmove (szPassword, new long /*int*/[] {passwordPtr}, C.PTR_SIZEOF);
			return COM.S_OK;
		}
	}

	/* no listener handled the challenge, so defer to the native dialog */
	C.memmove (hwnd, new long /*int*/[] {getShell().handle}, C.PTR_SIZEOF);
	return COM.S_OK;
}

/* IDispatch */

int GetTypeInfoCount (long /*int*/ pctinfo) {
	C.memmove (pctinfo, new int[] {0}, 4);
	return COM.S_OK;
}

int GetTypeInfo (int iTInfo, int lcid, long /*int*/ ppTInfo) {
	return COM.S_OK;
}

int GetIDsOfNames (int riid, long /*int*/ rgszNames, int cNames, int lcid, long /*int*/ rgDispId) {
	long /*int*/[] ptr = new long /*int*/[1];
	OS.MoveMemory (ptr, rgszNames, C.PTR_SIZEOF);
	int length = OS.wcslen (ptr[0]);
	char[] buffer = new char[length];
	OS.MoveMemory (buffer, ptr[0], length * 2);
	String functionName = String.valueOf (buffer);
	int result = COM.S_OK;
	int[] ids = new int[cNames];	/* DISPIDs */
	if (functionName.equals ("callJava")) { //$NON-NLS-1$
		for (int i = 0; i < cNames; i++) {
			ids[i] = i + 1;
		}
	} else {
		result = COM.DISP_E_UNKNOWNNAME;
		for (int i = 0; i < cNames; i++) {
			ids[i] = COM.DISPID_UNKNOWN;
		}
	}
	OS.MoveMemory (rgDispId, ids, cNames * 4);
	return result;
}

int Invoke (int dispIdMember, long /*int*/ riid, int lcid, int dwFlags, long /*int*/ pDispParams, long /*int*/ pVarResult, long /*int*/ pExcepInfo, long /*int*/ pArgErr) {
	IE ie = (IE)((Browser)getParent ().getParent ()).webBrowser;
	Map<Integer, BrowserFunction> functions = ie.functions;
	if (functions == null) {
		if (pVarResult != 0) {
			OS.MoveMemory (pVarResult, new long /*int*/[] {0}, C.PTR_SIZEOF);
		}
		return COM.S_OK;
	}

	DISPPARAMS dispParams = new DISPPARAMS ();
	COM.MoveMemory (dispParams, pDispParams, DISPPARAMS.sizeof);
	if (dispParams.cArgs != 3) {
		if (pVarResult != 0) {
			OS.MoveMemory (pVarResult, new long /*int*/[] {0}, C.PTR_SIZEOF);
		}
		return COM.S_OK;
	}

	long /*int*/ ptr = dispParams.rgvarg + 2 * Variant.sizeof;
	Variant variant = Variant.win32_new (ptr);
	if (variant.getType () != COM.VT_I4) {
		variant.dispose ();
		if (pVarResult != 0) {
			OS.MoveMemory (pVarResult, new long /*int*/[] {0}, C.PTR_SIZEOF);
		}
		return COM.S_OK;
	}
	int index = variant.getInt ();
	variant.dispose ();
	if (index <= 0) {
		if (pVarResult != 0) {
			OS.MoveMemory (pVarResult, new long /*int*/[] {0}, C.PTR_SIZEOF);
		}
		return COM.S_OK;
	}

	ptr = dispParams.rgvarg + Variant.sizeof;
	variant = Variant.win32_new (ptr);
	int type = variant.getType ();
	if (type != COM.VT_BSTR) {
		variant.dispose ();
		if (pVarResult != 0) {
			OS.MoveMemory (pVarResult, new long /*int*/[] {0}, C.PTR_SIZEOF);
		}
		return COM.S_OK;
	}
	String token = variant.getString ();
	variant.dispose ();

	variant = Variant.win32_new (dispParams.rgvarg);
	BrowserFunction function = functions.get (index);
	Object returnValue = null;
	if (function != null && token.equals (function.token)) {
		try {
			Object temp = convertToJava (variant);
			if (temp instanceof Object[]) {
				Object[] args = (Object[])temp;
				try {
					returnValue = function.function (args);
				} catch (Exception e) {
					/* exception during function invocation */
					returnValue = WebBrowser.CreateErrorString (e.getLocalizedMessage ());
				}
			}
		} catch (IllegalArgumentException e) {
			/* invalid argument value type */
			if (function.isEvaluate) {
				/* notify the function so that a java exception can be thrown */
				function.function (new String[] {WebBrowser.CreateErrorString (new SWTException (SWT.ERROR_INVALID_RETURN_VALUE).getLocalizedMessage ())});
			}
			returnValue = WebBrowser.CreateErrorString (e.getLocalizedMessage ());
		}
	}
	variant.dispose ();

	if (pVarResult != 0) {
		try {
			variant = convertToJS (returnValue);
		} catch (SWTException e) {
			/* invalid return value type */
			variant = convertToJS (WebBrowser.CreateErrorString (e.getLocalizedMessage ()));
		}
		Variant.win32_copy (pVarResult, variant);
		variant.dispose ();
	}
	return COM.S_OK;
}

Object convertToJava (Variant variant) {
	switch (variant.getType ()) {
		case OLE.VT_EMPTY:
		case OLE.VT_NULL: return null;
		case OLE.VT_BSTR: return variant.getString ();
		case OLE.VT_BOOL: return variant.getBoolean ();
		case OLE.VT_I2:
		case OLE.VT_I4:
		case OLE.VT_I8:
		case OLE.VT_R4:
		case OLE.VT_R8:
			return variant.getDouble ();
		case OLE.VT_DISPATCH: {
			Object[] args = null;
			OleAutomation auto = variant.getAutomation ();
			TYPEATTR typeattr = auto.getTypeInfoAttributes ();
			if (typeattr != null) {
				GUID guid = new GUID ();
				guid.Data1 = typeattr.guid_Data1;
				guid.Data2 = typeattr.guid_Data2;
				guid.Data3 = typeattr.guid_Data3;
				guid.Data4 = typeattr.guid_Data4;
				if (COM.IsEqualGUID (guid, COM.IIDIJScriptTypeInfo)) {
					int[] rgdispid = auto.getIDsOfNames (new String[] {"length"}); //$NON-NLS-1$
					if (rgdispid != null) {
						Variant varLength = auto.getProperty (rgdispid[0]);
						int length = varLength.getInt ();
						varLength.dispose ();
						args = new Object[length];
						for (int i = 0; i < length; i++) {
							rgdispid = auto.getIDsOfNames (new String[] {String.valueOf (i)});
							if (rgdispid != null) {
								Variant current = auto.getProperty (rgdispid[0]);
								try {
									args[i] = convertToJava (current);
									current.dispose ();
								} catch (IllegalArgumentException e) {
									/* invalid argument value type */
									current.dispose ();
									auto.dispose ();
									throw e;
								}
							}
						}
					}
				} else {
					auto.dispose ();
					SWT.error (SWT.ERROR_INVALID_ARGUMENT);
				}
			}
			auto.dispose ();
			return args;
		}
	}
	SWT.error (SWT.ERROR_INVALID_ARGUMENT);
	return null;
}

Variant convertToJS (Object value) {
	if (value == null) {
		return Variant.NULL;
	}
	if (value instanceof String) {
		return new Variant ((String)value);
	}
	if (value instanceof Boolean) {
		return new Variant (((Boolean)value).booleanValue ());
	}
	if (value instanceof Number) {
		return new Variant (((Number)value).doubleValue ());
	}
	if (value instanceof Object[]) {
		/* get IHTMLDocument2 */
		IE browser = (IE)((Browser)getParent ().getParent ()).webBrowser;
		OleAutomation auto = browser.auto;
		int[] rgdispid = auto.getIDsOfNames (new String[] {"Document"}); //$NON-NLS-1$
		if (rgdispid == null) return new Variant ();
		Variant pVarResult = auto.getProperty (rgdispid[0]);
		if (pVarResult == null) return new Variant ();
		if (pVarResult.getType () == COM.VT_EMPTY) {
			pVarResult.dispose ();
			return new Variant ();
		}
		OleAutomation document = pVarResult.getAutomation ();
		pVarResult.dispose ();

		/* get IHTMLWindow2 */
		rgdispid = document.getIDsOfNames (new String[] {"parentWindow"}); //$NON-NLS-1$
		if (rgdispid == null) {
			document.dispose ();
			return new Variant ();
		}
		pVarResult = document.getProperty (rgdispid[0]);
		if (pVarResult == null || pVarResult.getType () == COM.VT_EMPTY) {
			if (pVarResult != null) pVarResult.dispose ();
			document.dispose ();
			return new Variant ();
		}
		OleAutomation ihtmlWindow2 = pVarResult.getAutomation ();
		pVarResult.dispose ();
		document.dispose ();

		/* create a new JS array to be returned */
		rgdispid = ihtmlWindow2.getIDsOfNames (new String[] {"Array"}); //$NON-NLS-1$
		if (rgdispid == null) {
			ihtmlWindow2.dispose ();
			return new Variant ();
		}
		Variant arrayType = ihtmlWindow2.getProperty (rgdispid[0]);
		ihtmlWindow2.dispose ();
		IDispatch arrayTypeDispatch = arrayType.getDispatch ();
		long /*int*/[] result = new long /*int*/[1];
		int rc = arrayTypeDispatch.QueryInterface (COM.IIDIDispatchEx, result);
		arrayType.dispose ();
		if (rc != COM.S_OK) return new Variant ();

		IDispatchEx arrayTypeDispatchEx = new IDispatchEx (result[0]);
		result[0] = 0;
		long /*int*/ resultPtr = OS.GlobalAlloc (OS.GMEM_FIXED | OS.GMEM_ZEROINIT, VARIANT.sizeof);
		DISPPARAMS params = new DISPPARAMS ();
		rc = arrayTypeDispatchEx.InvokeEx (COM.DISPID_VALUE, COM.LOCALE_USER_DEFAULT, COM.DISPATCH_CONSTRUCT, params, resultPtr, null, 0);
		if (rc != COM.S_OK) {
			OS.GlobalFree (resultPtr);
			return new Variant ();
		}
		Variant array = Variant.win32_new (resultPtr);
		OS.GlobalFree (resultPtr);

		/* populate the array */
		Object[] arrayValue = (Object[])value;
		int length = arrayValue.length;
		auto = array.getAutomation ();
		int[] rgdispids = auto.getIDsOfNames (new String[] {"push"}); //$NON-NLS-1$
		if (rgdispids != null) {
			for (int i = 0; i < length; i++) {
				Object currentObject = arrayValue[i];
				try {
					Variant variant = convertToJS (currentObject);
					auto.invoke (rgdispids[0], new Variant[] {variant});
					variant.dispose ();
				} catch (SWTException e) {
					/* invalid return value type */
					auto.dispose ();
					array.dispose ();
					throw e;
				}
			}
		}
		auto.dispose ();
		return array;
	}
	SWT.error (SWT.ERROR_INVALID_RETURN_VALUE);
	return null;
}

}

Back to the top