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
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
|
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome_frame/chrome_frame_npapi.h"
#include "base/basictypes.h"
#include "base/logging.h"
#include "base/message_loop.h"
#include "base/string_split.h"
#include "base/string_util.h"
#include "base/stringprintf.h"
#include "base/utf_string_conversions.h"
#include "chrome/test/automation/tab_proxy.h"
#include "chrome_frame/ff_privilege_check.h"
#include "chrome_frame/np_utils.h"
#include "chrome_frame/scoped_ns_ptr_win.h"
#include "chrome_frame/utils.h"
MessageLoop* ChromeFrameNPAPI::message_loop_ = NULL;
int ChromeFrameNPAPI::instance_count_ = 0;
static const char* kNpEventNames[] = {
"focus",
"blur",
};
NPClass ChromeFrameNPAPI::plugin_class_ = {
NP_CLASS_STRUCT_VERSION,
ChromeFrameNPAPI::AllocateObject,
ChromeFrameNPAPI::DeallocateObject,
ChromeFrameNPAPI::Invalidate,
ChromeFrameNPAPI::HasMethod,
ChromeFrameNPAPI::Invoke,
NULL, // invokeDefault
ChromeFrameNPAPI::HasProperty,
ChromeFrameNPAPI::GetProperty,
ChromeFrameNPAPI::SetProperty,
NULL, // remove property
NULL, // enumeration
NULL, // construct
};
NPIdentifier
ChromeFrameNPAPI::plugin_property_identifiers_[PLUGIN_PROPERTY_COUNT]
= {0};
const NPUTF8* ChromeFrameNPAPI::plugin_property_identifier_names_[] = {
"version",
"src",
"onload",
"onloaderror",
"onmessage",
"readystate",
"onprivatemessage",
"usechromenetwork",
};
const NPUTF8* ChromeFrameNPAPI::plugin_method_identifier_names_[] = {
"postMessage",
"postPrivateMessage",
"installExtension",
"loadExtension",
"enableExtensionAutomation",
"getEnabledExtensions"
};
ChromeFrameNPAPI::PluginMethod ChromeFrameNPAPI::plugin_methods_[] = {
&ChromeFrameNPAPI::postMessage,
&ChromeFrameNPAPI::postPrivateMessage,
&ChromeFrameNPAPI::installExtension,
&ChromeFrameNPAPI::loadExtension,
&ChromeFrameNPAPI::enableExtensionAutomation,
&ChromeFrameNPAPI::getEnabledExtensions,
};
NPIdentifier
ChromeFrameNPAPI::plugin_method_identifiers_[arraysize(plugin_methods_)]
= {0};
void ChromeFrameNPAPI::CompileAsserts() {
NOTREACHED(); // This function should never be invoked.
COMPILE_ASSERT(arraysize(plugin_method_identifier_names_) ==
arraysize(plugin_methods_),
you_must_add_both_plugin_method_and_name);
COMPILE_ASSERT(arraysize(plugin_property_identifier_names_) ==
arraysize(plugin_property_identifiers_),
you_must_add_both_plugin_property_and_name);
}
static const char kPluginSrcAttribute[] = "src";
static const char kPluginForceFullPageAttribute[] = "force_full_page";
static const char kPluginOnloadAttribute[] = "onload";
static const char kPluginOnErrorAttribute[] = "onloaderror";
static const char kPluginOnMessageAttribute[] = "onmessage";
static const char kPluginOnPrivateMessageAttribute[] = "onprivatemessage";
// These properties can only be set in arguments at control instantiation.
// When the privileged_mode property is provided and set to true, the control
// will probe for whether its hosting document has the system principal, in
// which case privileged mode will be enabled.
static const char kPluginPrivilegedModeAttribute[] = "privileged_mode";
// If privileged mode is enabled, the string value of this argument will
// be appended to the chrome.exe command line.
static const char kPluginChromeExtraArguments[] = "chrome_extra_arguments";
// If privileged mode is enabled, the string value of this argument will
// be used as the profile name for our chrome.exe instance.
static const char kPluginChromeProfileName[] = "chrome_profile_name";
// If privileged mode is enabled, this argument will be taken as a
// comma-separated list of API function calls to automate.
static const char kPluginChromeFunctionsAutomatedAttribute[] =
"chrome_functions_automated";
// If chrome network stack is to be used
static const char kPluginUseChromeNetwork[] = "usechromenetwork";
// ChromeFrameNPAPI member defines.
// TODO(tommi): remove ignore_setfocus_ since that's not how focus is
// handled anymore.
ChromeFrameNPAPI::ChromeFrameNPAPI()
: instance_(NULL),
mode_(NP_EMBED),
force_full_page_plugin_(false),
ready_state_(READYSTATE_LOADING),
enabled_popups_(false),
navigate_after_initialization_(false) {
}
ChromeFrameNPAPI::~ChromeFrameNPAPI() {
if (IsWindow()) {
if (!UnsubclassWindow()) {
// TODO(tommi): Figure out why this can sometimes happen in the
// WidgetModeFF_Resize unittest.
DLOG(ERROR) << "Couldn't unsubclass safely!";
UnsubclassWindow(TRUE);
}
}
m_hWnd = NULL;
instance_count_--;
if (instance_count_ <= 0) {
delete message_loop_;
message_loop_ = NULL;
}
Uninitialize();
}
std::string ChromeFrameNPAPI::GetLocation() {
// Note that GetWindowObject() will cache the window object here.
return np_utils::GetLocation(instance_, GetWindowObject());
}
bool ChromeFrameNPAPI::Initialize(NPMIMEType mime_type, NPP instance,
uint16 mode, int16 argc, char* argn[],
char* argv[]) {
if (!Base::Initialize())
return false;
instance_ = instance;
mime_type_ = mime_type;
mode_ = mode;
document_url_ = GetLocation();
if (instance_count_ == 0) {
DCHECK(message_loop_ == NULL);
message_loop_ = new MessageLoop();
}
instance_count_++;
// Create our prefs service wrapper here.
DCHECK(!pref_service_.get());
pref_service_ = CreatePrefService();
if (!pref_service_.get()) {
NOTREACHED() << "new NpProxyService";
return false;
}
// Temporary variables for privileged only parameters
const char* onprivatemessage_arg = NULL;
const char* chrome_extra_arguments_arg = NULL;
const char* chrome_profile_name_arg = NULL;
bool chrome_network_arg_set = false;
bool chrome_network_arg = false;
bool wants_privileged = false;
for (int i = 0; i < argc; ++i) {
if (LowerCaseEqualsASCII(argn[i], kPluginSrcAttribute)) {
src_ = ResolveURL(GetDocumentUrl(), argv[i]);
} else if (LowerCaseEqualsASCII(argn[i], kPluginForceFullPageAttribute)) {
force_full_page_plugin_ = atoi(argv[i]) ? true : false;
} else if (LowerCaseEqualsASCII(argn[i], kPluginOnErrorAttribute)) {
onerror_handler_ = JavascriptToNPObject(argv[i]);
} else if (LowerCaseEqualsASCII(argn[i], kPluginOnMessageAttribute)) {
onmessage_handler_ = JavascriptToNPObject(argv[i]);
} else if (LowerCaseEqualsASCII(argn[i],
kPluginPrivilegedModeAttribute)) {
// Test for the FireFox privileged mode if the user requests it
// in initialization parameters.
wants_privileged = atoi(argv[i]) ? true : false;
} else if (LowerCaseEqualsASCII(argn[i],
kPluginOnPrivateMessageAttribute)) {
onprivatemessage_arg = argv[i];
} else if (LowerCaseEqualsASCII(argn[i], kPluginChromeExtraArguments)) {
chrome_extra_arguments_arg = argv[i];
} else if (LowerCaseEqualsASCII(argn[i], kPluginChromeProfileName)) {
chrome_profile_name_arg = argv[i];
} else if (LowerCaseEqualsASCII(argn[i],
kPluginChromeFunctionsAutomatedAttribute)) {
functions_enabled_.clear();
// base::SplitString writes one empty entry for blank strings, so we need
// this to allow specifying zero automation of API functions.
if (argv[i][0] != '\0')
base::SplitString(argv[i], ',', &functions_enabled_);
} else if (LowerCaseEqualsASCII(argn[i], kPluginUseChromeNetwork)) {
chrome_network_arg_set = true;
chrome_network_arg = atoi(argv[i]) ? true : false;
}
}
// Is the privileged mode requested?
if (wants_privileged) {
is_privileged_ = IsFireFoxPrivilegedInvocation(instance);
if (!is_privileged_) {
DLOG(WARNING) << "Privileged mode requested in non-privileged context";
}
}
std::wstring extra_arguments;
std::wstring profile_name(GetHostProcessName(false));
if (is_privileged_) {
// Process any privileged mode-only arguments we were handed.
if (onprivatemessage_arg)
onprivatemessage_handler_ = JavascriptToNPObject(onprivatemessage_arg);
if (chrome_extra_arguments_arg)
extra_arguments = UTF8ToWide(chrome_extra_arguments_arg);
if (chrome_profile_name_arg)
profile_name = UTF8ToWide(chrome_profile_name_arg);
if (chrome_network_arg_set)
automation_client_->set_use_chrome_network(chrome_network_arg);
}
static const wchar_t kHandleTopLevelRequests[] = L"HandleTopLevelRequests";
bool top_level_requests = GetConfigBool(true, kHandleTopLevelRequests);
automation_client_->set_handle_top_level_requests(top_level_requests);
automation_client_->set_route_all_top_level_navigations(true);
// Setup Url fetcher.
url_fetcher_.set_NPPInstance(instance_);
url_fetcher_.set_frame_busting(!is_privileged_);
automation_client_->SetUrlFetcher(&url_fetcher_);
// TODO(joshia): Initialize navigation here and send proxy config as
// part of LaunchSettings
/*
if (!src_.empty())
automation_client_->InitiateNavigation(src_, is_privileged_);
std::string proxy_settings;
bool has_prefs = pref_service_->Initialize(instance_,
automation_client_.get());
if (has_prefs && pref_service_->GetProxyValueJSONString(&proxy_settings)) {
automation_client_->SetProxySettings(proxy_settings);
}
*/
// We can't call SubscribeToFocusEvents here since
// when Initialize gets called, Opera is in a state where
// it can't handle calls back and the thread will hang.
// Instead, we call SubscribeToFocusEvents when we initialize
// our plugin window.
// TODO(stoyan): Ask host for specific interface whether to honor
// host's in-private mode.
return InitializeAutomation(profile_name, extra_arguments,
GetBrowserIncognitoMode(), true,
GURL(src_), GURL(), true);
}
void ChromeFrameNPAPI::Uninitialize() {
// Don't call SetReadyState as it will end up calling FireEvent.
// We are in the context of NPP_DESTROY.
ready_state_ = READYSTATE_UNINITIALIZED;
UnsubscribeFromFocusEvents();
if (pref_service_) {
pref_service_->UnInitialize();
pref_service_ = NULL;
}
window_object_.Free();
onerror_handler_.Free();
onmessage_handler_.Free();
onprivatemessage_handler_.Free();
Base::Uninitialize();
}
void ChromeFrameNPAPI::OnFinalMessage(HWND window) {
// The automation server should be gone by now.
Uninitialize();
}
void ChromeFrameNPAPI::SubscribeToFocusEvents() {
DCHECK(focus_listener_.get() == NULL);
focus_listener_ = new DomEventListener(this);
if (!focus_listener_->Subscribe(instance_, kNpEventNames,
arraysize(kNpEventNames))) {
focus_listener_ = NULL;
focus_listener_ = new NPObjectEventListener(this);
if (!focus_listener_->Subscribe(instance_, kNpEventNames,
arraysize(kNpEventNames))) {
DLOG(ERROR) << "Failed to subscribe to focus events";
focus_listener_ = NULL;
}
}
}
void ChromeFrameNPAPI::UnsubscribeFromFocusEvents() {
if (!focus_listener_.get())
return;
bool ret = focus_listener_->Unsubscribe(instance_, kNpEventNames,
arraysize(kNpEventNames));
DLOG_IF(WARNING, !ret) << "focus_listener_->Unsubscribe failed";
focus_listener_ = NULL;
}
bool ChromeFrameNPAPI::SetWindow(NPWindow* window_info) {
if (!window_info || !automation_client_.get()) {
NOTREACHED();
return false;
}
HWND window = reinterpret_cast<HWND>(window_info->window);
if (!::IsWindow(window)) {
// No window created yet. Ignore this call.
return false;
}
if (IsWindow()) {
// We've already subclassed, make sure that SetWindow doesn't get called
// with an HWND other than the one we subclassed during our lifetime.
DCHECK(window == m_hWnd);
return true;
}
automation_client_->SetParentWindow(window);
SubscribeToFocusEvents();
if (force_full_page_plugin_) {
// By default full page mode is only enabled when the plugin is loaded off
// a separate file, i.e. it is the primary content in the window. Even if
// we specify the width/height attributes for the plugin as 100% each, FF
// instantiates the plugin passing in a width/height of 100px each. To
// workaround this we resize the plugin window passed in by FF to the size
// of its parent.
HWND plugin_parent_window = ::GetParent(window);
RECT plugin_parent_rect = {0};
::GetClientRect(plugin_parent_window, &plugin_parent_rect);
::SetWindowPos(window, NULL, plugin_parent_rect.left,
plugin_parent_rect.top,
plugin_parent_rect.right - plugin_parent_rect.left,
plugin_parent_rect.bottom - plugin_parent_rect.top, 0);
}
// Subclass the browser's plugin window here.
if (SubclassWindow(window)) {
DWORD new_style_flags = WS_CLIPCHILDREN;
ModifyStyle(0, new_style_flags, 0);
if (ready_state_ < READYSTATE_INTERACTIVE) {
SetReadyState(READYSTATE_INTERACTIVE);
}
}
return true;
}
void ChromeFrameNPAPI::Print(NPPrint* print_info) {
if (!print_info) {
NOTREACHED();
return;
}
// We dont support full tab mode yet.
if (print_info->mode != NP_EMBED) {
NOTREACHED();
return;
}
NPWindow window = print_info->print.embedPrint.window;
RECT print_bounds = {0};
print_bounds.left = window.x;
print_bounds.top = window.y;
print_bounds.right = window.x + window.width;
print_bounds.bottom = window.x + window.height;
automation_client_->Print(
reinterpret_cast<HDC>(print_info->print.embedPrint.platformPrint),
print_bounds);
}
void ChromeFrameNPAPI::UrlNotify(const char* url, NPReason reason,
void* notify_data) {
if (enabled_popups_) {
// We have opened the URL so tell the browser to restore popup settings
enabled_popups_ = false;
npapi::PopPopupsEnabledState(instance_);
}
url_fetcher_.UrlNotify(url, reason, notify_data);
}
void ChromeFrameNPAPI::OnAcceleratorPressed(int tab_handle,
const MSG& accel_message) {
DVLOG(1) << __FUNCTION__
<< " msg:" << base::StringPrintf("0x%04X", accel_message.message)
<< " key:" << accel_message.wParam;
// The host browser does call TranslateMessage on messages like WM_KEYDOWN
// WM_KEYUP, etc, which will result in messages like WM_CHAR, WM_SYSCHAR, etc
// being posted to the message queue. We don't post these messages here to
// avoid these messages from getting handled twice.
if (!is_privileged_ &&
accel_message.message != WM_CHAR &&
accel_message.message != WM_DEADCHAR &&
accel_message.message != WM_SYSCHAR &&
accel_message.message != WM_SYSDEADCHAR) {
// A very primitive way to handle keystrokes.
// TODO(tommi): When we've implemented a way for chrome to
// know when keystrokes are handled (deterministically) on that side,
// then this function should get called and not otherwise.
::PostMessage(::GetParent(m_hWnd), accel_message.message,
accel_message.wParam, accel_message.lParam);
}
if (automation_client_.get()) {
TabProxy* tab = automation_client_->tab();
if (tab) {
tab->ProcessUnhandledAccelerator(accel_message);
}
}
}
void ChromeFrameNPAPI::OnTabbedOut(int tab_handle, bool reverse) {
DVLOG(1) << __FUNCTION__;
ignore_setfocus_ = true;
HWND parent = ::GetParent(m_hWnd);
::SetFocus(parent);
INPUT input = {0};
input.type = INPUT_KEYBOARD;
input.ki.wVk = VK_TAB;
SendInput(1, &input, sizeof(input));
input.ki.dwFlags = KEYEVENTF_KEYUP;
SendInput(1, &input, sizeof(input));
ignore_setfocus_ = false;
}
void ChromeFrameNPAPI::OnOpenURL(int tab_handle,
const GURL& url,
const GURL& referrer,
int open_disposition) {
std::string target;
switch (open_disposition) {
case NEW_FOREGROUND_TAB:
target = "_blank";
break;
case NEW_BACKGROUND_TAB:
target = "_blank";
break;
case NEW_WINDOW:
case NEW_POPUP:
target = "_new";
break;
default:
break;
}
// Tell the browser to temporarily allow popups
enabled_popups_ = true;
npapi::PushPopupsEnabledState(instance_, TRUE);
npapi::GetURLNotify(instance_, url.spec().c_str(), target.c_str(), NULL);
}
bool ChromeFrameNPAPI::HasMethod(NPObject* obj, NPIdentifier name) {
for (int i = 0; i < arraysize(plugin_methods_); ++i) {
if (name == plugin_method_identifiers_[i])
return true;
}
return false;
}
bool ChromeFrameNPAPI::Invoke(NPObject* header, NPIdentifier name,
const NPVariant* args, uint32_t arg_count,
NPVariant* result) {
ChromeFrameNPAPI* plugin_instance = ChromeFrameInstanceFromNPObject(header);
if (!plugin_instance && (plugin_instance->automation_client_.get()))
return false;
bool success = false;
for (int i = 0; i < arraysize(plugin_methods_); ++i) {
if (name == plugin_method_identifiers_[i]) {
PluginMethod method = plugin_methods_[i];
success = (plugin_instance->*method)(header, args, arg_count, result);
break;
}
}
return success;
}
void ChromeFrameNPAPI::InitializeIdentifiers() {
npapi::GetStringIdentifiers(plugin_method_identifier_names_,
arraysize(plugin_methods_),
plugin_method_identifiers_);
npapi::GetStringIdentifiers(plugin_property_identifier_names_,
PLUGIN_PROPERTY_COUNT,
plugin_property_identifiers_);
}
NPObject* ChromeFrameNPAPI::AllocateObject(NPP instance, NPClass* class_name) {
static bool identifiers_initialized = false;
ChromeFrameNPObject* plugin_object = new ChromeFrameNPObject();
DCHECK(plugin_object != NULL);
plugin_object->chrome_frame_plugin_instance = new ChromeFrameNPAPI();
DCHECK(plugin_object->chrome_frame_plugin_instance != NULL);
plugin_object->npp = NULL;
COMPILE_ASSERT(arraysize(plugin_method_identifiers_) ==
arraysize(plugin_method_identifier_names_),
method_count_mismatch);
COMPILE_ASSERT(arraysize(plugin_method_identifiers_) ==
arraysize(plugin_methods_),
method_count_mismatch);
if (!identifiers_initialized) {
InitializeIdentifiers();
identifiers_initialized = true;
}
return reinterpret_cast<NPObject*>(plugin_object);
}
void ChromeFrameNPAPI::DeallocateObject(NPObject* header) {
ChromeFrameNPObject* plugin_object =
reinterpret_cast<ChromeFrameNPObject*>(header);
DCHECK(plugin_object != NULL);
if (plugin_object) {
delete plugin_object->chrome_frame_plugin_instance;
delete plugin_object;
}
}
void ChromeFrameNPAPI::Invalidate(NPObject* header) {
DCHECK(header);
ChromeFrameNPObject* plugin_object =
reinterpret_cast<ChromeFrameNPObject*>(header);
if (plugin_object) {
DCHECK(plugin_object->chrome_frame_plugin_instance);
plugin_object->chrome_frame_plugin_instance->Uninitialize();
}
}
ChromeFrameNPAPI* ChromeFrameNPAPI::ChromeFrameInstanceFromPluginInstance(
NPP instance) {
if ((instance == NULL) || (instance->pdata == NULL)) {
NOTREACHED();
return NULL;
}
return ChromeFrameInstanceFromNPObject(instance->pdata);
}
ChromeFrameNPAPI* ChromeFrameNPAPI::ChromeFrameInstanceFromNPObject(
void* object) {
ChromeFrameNPObject* plugin_object =
reinterpret_cast<ChromeFrameNPObject*>(object);
if (!plugin_object) {
NOTREACHED();
return NULL;
}
DCHECK(plugin_object->chrome_frame_plugin_instance);
return plugin_object->chrome_frame_plugin_instance;
}
bool ChromeFrameNPAPI::HasProperty(NPObject* obj, NPIdentifier name) {
for (int i = 0; i < PLUGIN_PROPERTY_COUNT; ++i) {
if (name == plugin_property_identifiers_[i])
return true;
}
return false;
}
bool ChromeFrameNPAPI::GetProperty(NPIdentifier name,
NPVariant* variant) {
if (name == plugin_property_identifiers_[PLUGIN_PROPERTY_ONERROR]) {
if (onerror_handler_) {
variant->type = NPVariantType_Object;
variant->value.objectValue = onerror_handler_.Copy();
return true;
}
} else if (name == plugin_property_identifiers_[PLUGIN_PROPERTY_ONMESSAGE]) {
if (onmessage_handler_) {
variant->type = NPVariantType_Object;
variant->value.objectValue = onmessage_handler_.Copy();
return true;
}
} else if (name ==
plugin_property_identifiers_[PLUGIN_PROPERTY_ONPRIVATEMESSAGE]) {
if (!is_privileged_) {
DLOG(WARNING) << "Attempt to read onprivatemessage property while not "
"privileged";
} else {
if (onprivatemessage_handler_) {
variant->type = NPVariantType_Object;
variant->value.objectValue =
onprivatemessage_handler_.Copy();
return true;
}
}
} else if (name == plugin_property_identifiers_[PLUGIN_PROPERTY_SRC]) {
AllocateStringVariant(src_, variant);
return true;
} else if (name == plugin_property_identifiers_[PLUGIN_PROPERTY_VERSION]) {
const std::wstring version =
automation_client_->GetVersion();
AllocateStringVariant(WideToUTF8(version), variant);
return true;
} else if (name == plugin_property_identifiers_[PLUGIN_PROPERTY_READYSTATE]) {
INT32_TO_NPVARIANT(ready_state_, *variant);
return true;
} else if (name ==
plugin_property_identifiers_[PLUGIN_PROPERTY_USECHROMENETWORK]) {
BOOLEAN_TO_NPVARIANT(automation_client_->use_chrome_network(), *variant);
return true;
}
return false;
}
bool ChromeFrameNPAPI::GetProperty(NPObject* object, NPIdentifier name,
NPVariant* variant) {
if (!object || !variant) {
NOTREACHED();
return false;
}
ChromeFrameNPAPI* plugin_instance = ChromeFrameInstanceFromNPObject(object);
if (!plugin_instance) {
NOTREACHED();
return false;
}
return plugin_instance->GetProperty(name, variant);
}
bool ChromeFrameNPAPI::SetProperty(NPIdentifier name,
const NPVariant* variant) {
if (NPVARIANT_IS_OBJECT(*variant)) {
if (name == plugin_property_identifiers_[PLUGIN_PROPERTY_ONERROR]) {
onerror_handler_.Free();
onerror_handler_ = variant->value.objectValue;
return true;
} else if (
name == plugin_property_identifiers_[PLUGIN_PROPERTY_ONMESSAGE]) {
onmessage_handler_.Free();
onmessage_handler_ = variant->value.objectValue;
return true;
} else if (name ==
plugin_property_identifiers_[PLUGIN_PROPERTY_ONPRIVATEMESSAGE]) {
if (!is_privileged_) {
DLOG(WARNING) << "Attempt to set onprivatemessage while not privileged";
} else {
onprivatemessage_handler_.Free();
onprivatemessage_handler_ = variant->value.objectValue;
return true;
}
}
} else if (NPVARIANT_IS_STRING(*variant) || NPVARIANT_IS_NULL(*variant)) {
if (name == plugin_property_identifiers_[PLUGIN_PROPERTY_SRC]) {
return NavigateToURL(variant, 1, NULL);
}
} else if (NPVARIANT_IS_BOOLEAN(*variant)) {
if (name ==
plugin_property_identifiers_[PLUGIN_PROPERTY_USECHROMENETWORK]) {
automation_client_->set_use_chrome_network(
NPVARIANT_TO_BOOLEAN(*variant));
}
}
return false;
}
bool ChromeFrameNPAPI::SetProperty(NPObject* object, NPIdentifier name,
const NPVariant* variant) {
if (!object || !variant) {
DLOG(ERROR) << "Cannot set property: " << npapi::StringFromIdentifier(name);
return false;
}
ChromeFrameNPAPI* plugin_instance = ChromeFrameInstanceFromNPObject(object);
if (!plugin_instance) {
NOTREACHED();
return false;
}
return plugin_instance->SetProperty(name, variant);
}
void ChromeFrameNPAPI::OnFocus() {
DVLOG(1) << __FUNCTION__;
PostMessage(WM_SETFOCUS, 0, 0);
}
void ChromeFrameNPAPI::OnEvent(const char* event_name) {
DCHECK(event_name);
DVLOG(1) << event_name;
if (lstrcmpiA(event_name, "focus") == 0) {
OnFocus();
} else if (lstrcmpiA(event_name, "blur") == 0) {
OnBlur();
} else {
NOTREACHED() << event_name;
}
}
LRESULT CALLBACK ChromeFrameNPAPI::DropKillFocusHook(int code, WPARAM wparam,
LPARAM lparam) {
LRESULT ret = 0;
CWPSTRUCT* wp = reinterpret_cast<CWPSTRUCT*>(lparam);
if ((code < 0) || (wp->message != WM_KILLFOCUS))
ret = ::CallNextHookEx(NULL, code, wparam, lparam);
return ret;
}
LRESULT ChromeFrameNPAPI::OnSetFocus(UINT message, WPARAM wparam,
LPARAM lparam, BOOL& handled) { // NO_LINT
// Opera has a WH_CALLWNDPROC hook that handles WM_KILLFOCUS and
// prevents us from setting the focus to the tab.
// To work around that, we set a temporary hook here that does nothing
// (not even call other hooks) when it sees WM_KILLFOCUS.
HHOOK hook = NULL;
hook = ::SetWindowsHookEx(WH_CALLWNDPROC, DropKillFocusHook, NULL,
::GetCurrentThreadId());
// Since we chain message maps, make sure we are not calling base class
// twice for WM_SETFOCUS.
BOOL handled_by_base = TRUE;
LRESULT ret = Base::OnSetFocus(message, wparam, lparam, handled_by_base);
if (hook)
::UnhookWindowsHookEx(hook);
return ret;
}
void ChromeFrameNPAPI::OnBlur() {
DVLOG(1) << __FUNCTION__;
}
void ChromeFrameNPAPI::OnLoad(int, const GURL& gurl) {
DVLOG(1) << "Firing onload";
FireEvent("load", gurl.spec());
}
void ChromeFrameNPAPI::OnLoadFailed(int error_code, const std::string& url) {
FireEvent("loaderror", url);
ScopedNpVariant result;
InvokeDefault(onerror_handler_, url, &result);
}
void ChromeFrameNPAPI::OnMessageFromChromeFrame(int tab_handle,
const std::string& message,
const std::string& origin,
const std::string& target) {
bool private_message = false;
if (target.compare("*") != 0) {
if (is_privileged_) {
private_message = true;
} else {
if (!HaveSameOrigin(target, document_url_)) {
DLOG(WARNING) << "Dropping posted message since target doesn't match "
"the current document's origin. target=" << target;
return;
}
}
}
// Create a MessageEvent object that contains the message and origin
// as well as supporting other MessageEvent (see the HTML5 spec) properties.
// Then call the onmessage handler.
ScopedNpObject<NPObject> event;
bool ok = CreateMessageEvent(false, true, message, origin, event.Receive());
if (ok) {
// Don't call FireEvent here (or we'll have an event wrapped by an event).
DispatchEvent(event);
ScopedNpVariant result;
NPVariant params[2];
OBJECT_TO_NPVARIANT(event, params[0]);
bool invoke = false;
if (private_message) {
DCHECK(is_privileged_);
STRINGN_TO_NPVARIANT(target.c_str(), target.length(), params[1]);
invoke = InvokeDefault(onprivatemessage_handler_,
arraysize(params),
params,
&result);
} else {
invoke = InvokeDefault(onmessage_handler_, params[0], &result);
}
DLOG_IF(WARNING, !invoke) << "InvokeDefault failed";
} else {
NOTREACHED() << "CreateMessageEvent";
}
}
void ChromeFrameNPAPI::OnAutomationServerReady() {
Base::OnAutomationServerReady();
std::string proxy_settings;
bool has_prefs = pref_service_->Initialize(instance_,
automation_client_.get());
if (has_prefs && pref_service_->GetProxyValueJSONString(&proxy_settings)) {
automation_client_->SetProxySettings(proxy_settings);
}
if (navigate_after_initialization_ && !src_.empty()) {
navigate_after_initialization_ = false;
if (!automation_client_->InitiateNavigation(src_,
GetDocumentUrl(),
is_privileged_)) {
DLOG(ERROR) << "Failed to navigate to: " << src_;
src_.clear();
}
}
SetReadyState(READYSTATE_COMPLETE);
}
void ChromeFrameNPAPI::OnAutomationServerLaunchFailed(
AutomationLaunchResult reason, const std::string& server_version) {
SetReadyState(READYSTATE_UNINITIALIZED);
// Do not display warnings for privileged instances of Chrome Frame.
if (reason == AUTOMATION_VERSION_MISMATCH && !is_privileged_) {
DisplayVersionMismatchWarning(m_hWnd, server_version);
}
}
bool ChromeFrameNPAPI::InvokeDefault(NPObject* object,
unsigned param_count,
const NPVariant* params,
NPVariant* result) {
if (!object)
return false;
bool ret = npapi::InvokeDefault(instance_, object, params, param_count,
result);
// InvokeDefault can return false in FF even though we do see the call
// go through. It's not clear to me what the circumstances are, so
// we log it as a warning while tracking it down.
DLOG_IF(WARNING, !ret) << "npapi::InvokeDefault failed";
return ret;
}
bool ChromeFrameNPAPI::InvokeDefault(NPObject* object, const std::string& param,
NPVariant* result) {
NPVariant arg;
STRINGN_TO_NPVARIANT(param.c_str(), param.length(), arg);
return InvokeDefault(object, arg, result);
}
bool ChromeFrameNPAPI::InvokeDefault(NPObject* object, const NPVariant& param,
NPVariant* result) {
return InvokeDefault(object, 1, ¶m, result);
}
bool ChromeFrameNPAPI::CreateEvent(const std::string& type, bool bubbles,
bool cancelable, NPObject** basic_event) {
DCHECK(basic_event);
NPObject* window = GetWindowObject();
if (!window) {
// Can fail if the browser is closing (seen in Opera).
return false;
}
const char* identifier_names[] = {
"document",
"createEvent",
"initEvent",
};
NPIdentifier identifiers[arraysize(identifier_names)];
npapi::GetStringIdentifiers(identifier_names, arraysize(identifier_names),
identifiers);
// Fetch the document object from the window.
ScopedNpVariant document;
bool ok = npapi::GetProperty(instance_, window, identifiers[0], &document);
if (!ok) {
// This could happen if the page is being unloaded.
DLOG(WARNING) << "Failed to fetch the document object";
return false;
}
bool success = false;
if (ok && NPVARIANT_IS_OBJECT(document)) {
// Call document.createEvent("Event") to create a basic event object.
NPVariant event_type;
STRINGN_TO_NPVARIANT("Event", sizeof("Event") - 1, event_type);
ScopedNpVariant result;
success = npapi::Invoke(instance_, NPVARIANT_TO_OBJECT(document),
identifiers[1], &event_type, 1, &result);
if (!NPVARIANT_IS_OBJECT(result)) {
DLOG(WARNING) << "Failed to invoke createEvent";
success = false;
} else {
NPVariant init_args[3];
STRINGN_TO_NPVARIANT(type.c_str(), type.length(), init_args[0]);
BOOLEAN_TO_NPVARIANT(bubbles, init_args[1]);
BOOLEAN_TO_NPVARIANT(cancelable, init_args[2]);
// Now initialize the event object by calling
// event.initEvent(type, bubbles, cancelable);
ScopedNpVariant init_results;
ok = npapi::Invoke(instance_, NPVARIANT_TO_OBJECT(result), identifiers[2],
init_args, arraysize(init_args), &init_results);
if (ok) {
success = true;
// Finally, pass the ownership to the caller.
*basic_event = NPVARIANT_TO_OBJECT(result);
VOID_TO_NPVARIANT(result); // Prevent the object from being released.
} else {
DLOG(ERROR) << "initEvent failed";
success = false;
}
}
}
return success;
}
bool ChromeFrameNPAPI::CreateMessageEvent(bool bubbles, bool cancelable,
const std::string& data,
const std::string& origin,
NPObject** message_event) {
DCHECK(message_event);
ScopedNpObject<NPObject> event;
bool ok = CreateEvent("message", false, true, event.Receive());
if (ok) {
typedef enum {
DATA,
ORIGIN,
LAST_EVENT_ID,
SOURCE,
MESSAGE_PORT,
IDENTIFIER_COUNT, // Must be last.
} StringIdentifiers;
static NPIdentifier identifiers[IDENTIFIER_COUNT] = {0};
if (!identifiers[0]) {
const NPUTF8* identifier_names[] = {
"data",
"origin",
"lastEventId",
"source",
"messagePort",
};
COMPILE_ASSERT(arraysize(identifier_names) == arraysize(identifiers),
mismatched_array_size);
npapi::GetStringIdentifiers(identifier_names, IDENTIFIER_COUNT,
identifiers);
}
NPVariant arg;
STRINGN_TO_NPVARIANT(data.c_str(), data.length(), arg);
npapi::SetProperty(instance_, event, identifiers[DATA], &arg);
STRINGN_TO_NPVARIANT(origin.c_str(), origin.length(), arg);
npapi::SetProperty(instance_, event, identifiers[ORIGIN], &arg);
STRINGN_TO_NPVARIANT("", 0, arg);
npapi::SetProperty(instance_, event, identifiers[LAST_EVENT_ID], &arg);
NULL_TO_NPVARIANT(arg);
npapi::SetProperty(instance_, event, identifiers[SOURCE], &arg);
npapi::SetProperty(instance_, event, identifiers[MESSAGE_PORT], &arg);
*message_event = event.Detach();
}
return ok;
}
void ChromeFrameNPAPI::DispatchEvent(NPObject* event) {
DCHECK(event != NULL);
ScopedNpObject<NPObject> embed;
npapi::GetValue(instance_, NPNVPluginElementNPObject, &embed);
if (embed != NULL) {
NPVariant param;
OBJECT_TO_NPVARIANT(event, param);
ScopedNpVariant result;
bool invoke = npapi::Invoke(instance_, embed,
npapi::GetStringIdentifier("dispatchEvent"), ¶m, 1, &result);
DLOG_IF(WARNING, !invoke) << "dispatchEvent failed";
} else {
NOTREACHED() << "NPNVPluginElementNPObject";
}
}
bool ChromeFrameNPAPI::ExecuteScript(const std::string& script,
NPVariant* result) {
NPObject* window = GetWindowObject();
if (!window) {
NOTREACHED();
return false;
}
NPString script_for_execution;
script_for_execution.UTF8Characters = script.c_str();
script_for_execution.UTF8Length = script.length();
return npapi::Evaluate(instance_, window, &script_for_execution, result);
}
NPObject* ChromeFrameNPAPI::JavascriptToNPObject(const std::string& script) {
// Convert the passed in script to an invocable NPObject
// To achieve this we save away the function in a dummy window property
// which is then read to get the script object representing the function.
std::string script_code =
"javascript:window.__cf_get_function_object =";
// If we are able to look up the name in the javascript namespace, then it
// means that the caller passed in a function name. Convert the function
// name to a NPObject we can invoke on.
if (IsValidJavascriptFunction(script)) {
script_code += script;
} else {
script_code += "new Function(\"";
script_code += script;
script_code += "\");";
}
NPVariant result;
if (!ExecuteScript(script_code, &result)) {
NOTREACHED();
return NULL;
}
DCHECK(result.type == NPVariantType_Object);
DCHECK(result.value.objectValue != NULL);
return result.value.objectValue;
}
bool ChromeFrameNPAPI::IsValidJavascriptFunction(const std::string& script) {
std::string script_code = "javascript:window['";
script_code += script;
script_code += "'];";
ScopedNpVariant result;
if (!ExecuteScript(script_code, &result)) {
NOTREACHED();
return NULL;
}
return result.type == NPVariantType_Object;
}
bool ChromeFrameNPAPI::NavigateToURL(const NPVariant* args, uint32_t arg_count,
NPVariant* result) {
// Note that 'result' might be NULL.
if (arg_count != 1 || !(NPVARIANT_IS_STRING(args[0]) ||
NPVARIANT_IS_NULL(args[0]))) {
NOTREACHED();
return false;
}
if (ready_state_ == READYSTATE_UNINITIALIZED) {
// Error(L"Chrome Frame failed to initialize.");
// TODO(tommi): call NPN_SetException
DLOG(WARNING) << "NavigateToURL called after failed initialization";
return false;
}
std::string url("about:blank");
if (!NPVARIANT_IS_NULL(args[0])) {
const NPString& str = args[0].value.stringValue;
if (str.UTF8Length) {
url.assign(std::string(str.UTF8Characters, str.UTF8Length));
}
}
GURL document_url(GetDocumentUrl());
if (document_url.SchemeIsSecure()) {
GURL source_url(url);
if (!source_url.SchemeIsSecure()) {
DLOG(WARNING) << __FUNCTION__ << " Prevnting navigation to HTTP url"
" since the containing document is HTTPS. URL: " << source_url <<
" Document URL: " << document_url;
return false;
}
}
std::string full_url = ResolveURL(GetDocumentUrl(), url);
src_ = full_url;
// Navigate only if we completed initialization i.e. proxy is set etc.
if (ready_state_ == READYSTATE_COMPLETE) {
if (!automation_client_->InitiateNavigation(full_url,
GetDocumentUrl(),
is_privileged_)) {
// TODO(tommi): call NPN_SetException.
src_.clear();
return false;
}
} else {
navigate_after_initialization_ = true;
}
return true;
}
bool ChromeFrameNPAPI::postMessage(NPObject* npobject, const NPVariant* args,
uint32_t arg_count, NPVariant* result) {
// TODO(tommi) See if we can factor these checks out somehow.
if (arg_count < 1 || arg_count > 2 || !NPVARIANT_IS_STRING(args[0])) {
NOTREACHED();
return false;
}
const NPString& str = args[0].value.stringValue;
std::string message(str.UTF8Characters, str.UTF8Length);
std::string target;
if (arg_count == 2 && NPVARIANT_IS_STRING(args[1])) {
const NPString& str = args[1].value.stringValue;
target.assign(str.UTF8Characters, str.UTF8Length);
if (target.compare("*") != 0) {
GURL resolved(target);
if (!resolved.is_valid()) {
npapi::SetException(npobject,
"Unable to parse the specified target URL.");
return false;
}
target = resolved.spec();
}
} else {
target = "*";
}
GURL url(GURL(document_url_).GetOrigin());
std::string origin(url.is_empty() ? "null" : url.spec());
automation_client_->ForwardMessageFromExternalHost(message, origin, target);
return true;
}
bool ChromeFrameNPAPI::postPrivateMessage(NPObject* npobject,
const NPVariant* args,
uint32_t arg_count,
NPVariant* result) {
if (!is_privileged_) {
DLOG(WARNING) << "postPrivateMessage invoked in non-privileged mode";
return false;
}
if (arg_count != 3 || !NPVARIANT_IS_STRING(args[0]) ||
!NPVARIANT_IS_STRING(args[1]) || !NPVARIANT_IS_STRING(args[2])) {
NOTREACHED();
return false;
}
const NPString& message_str = args[0].value.stringValue;
const NPString& origin_str = args[1].value.stringValue;
const NPString& target_str = args[2].value.stringValue;
std::string message(message_str.UTF8Characters, message_str.UTF8Length);
std::string origin(origin_str.UTF8Characters, origin_str.UTF8Length);
std::string target(target_str.UTF8Characters, target_str.UTF8Length);
automation_client_->ForwardMessageFromExternalHost(message, origin, target);
return true;
}
bool ChromeFrameNPAPI::installExtension(NPObject* npobject,
const NPVariant* args,
uint32_t arg_count,
NPVariant* result) {
if (arg_count > 2 || !NPVARIANT_IS_STRING(args[0]) ||
(arg_count == 2 && !NPVARIANT_IS_OBJECT(args[1]))) {
NOTREACHED();
return false;
}
if (!is_privileged_) {
DLOG(WARNING) << "installExtension invoked in non-privileged mode";
return false;
}
if (!automation_client_.get()) {
DLOG(WARNING) << "installExtension invoked with no automaton client";
NOTREACHED();
return false;
}
const NPString& crx_path_str = args[0].value.stringValue;
std::string crx_path_a(crx_path_str.UTF8Characters, crx_path_str.UTF8Length);
FilePath::StringType crx_path_u(UTF8ToWide(crx_path_a));
FilePath crx_path(crx_path_u);
NPObject* retained_function = npapi::RetainObject(args[1].value.objectValue);
automation_client_->InstallExtension(crx_path, retained_function);
// The response to this command will be returned in the OnExtensionInstalled
// delegate callback function.
return true;
}
void ChromeFrameNPAPI::OnExtensionInstalled(
const FilePath& path,
void* user_data,
AutomationMsg_ExtensionResponseValues res) {
ScopedNpVariant result;
NPVariant param;
INT32_TO_NPVARIANT(res, param);
NPObject* func = reinterpret_cast<NPObject*>(user_data);
InvokeDefault(func, param, &result);
npapi::ReleaseObject(func);
}
bool ChromeFrameNPAPI::loadExtension(NPObject* npobject,
const NPVariant* args,
uint32_t arg_count,
NPVariant* result) {
if (arg_count > 2 || !NPVARIANT_IS_STRING(args[0]) ||
(arg_count == 2 && !NPVARIANT_IS_OBJECT(args[1]))) {
NOTREACHED();
return false;
}
if (!is_privileged_) {
DLOG(WARNING) << "loadExtension invoked in non-privileged mode";
return false;
}
if (!automation_client_.get()) {
DLOG(WARNING) << "loadExtension invoked with no automaton client";
NOTREACHED();
return false;
}
const NPString& path_str = args[0].value.stringValue;
std::string path_a(path_str.UTF8Characters, path_str.UTF8Length);
FilePath::StringType path_u(UTF8ToWide(path_a));
FilePath path(path_u);
NPObject* retained_function = npapi::RetainObject(args[1].value.objectValue);
automation_client_->LoadExpandedExtension(path, retained_function);
// The response to this command will be returned in the OnExtensionInstalled
// delegate callback function.
return true;
}
bool ChromeFrameNPAPI::enableExtensionAutomation(NPObject* npobject,
const NPVariant* args,
uint32_t arg_count,
NPVariant* result) {
if (arg_count > 1 || (arg_count == 1 && !NPVARIANT_IS_STRING(args[0]))) {
NOTREACHED();
return false;
}
if (!is_privileged_) {
DLOG(WARNING) <<
"enableExtensionAutomation invoked in non-privileged mode";
return false;
}
if (!automation_client_.get()) {
DLOG(WARNING) <<
"enableExtensionAutomation invoked with no automaton client";
NOTREACHED();
return false;
}
if (!automation_client_->tab()) {
DLOG(WARNING) << "enableExtensionAutomation invoked with no hosted tab";
NOTREACHED();
return false;
}
// Empty by default e.g. if no arguments passed.
std::vector<std::string> functions;
if (arg_count == 1) {
const NPString& functions_str = args[0].value.stringValue;
std::string functions_a(functions_str.UTF8Characters,
functions_str.UTF8Length);
// base::SplitString writes one empty entry for blank strings, so we need
// this to allow specifying zero automation of API functions.
if (functions_a[0] != '\0')
base::SplitString(functions_a, ',', &functions);
}
automation_client_->tab()->SetEnableExtensionAutomation(functions);
// This function returns no result.
return true;
}
bool ChromeFrameNPAPI::getEnabledExtensions(NPObject* npobject,
const NPVariant* args,
uint32_t arg_count,
NPVariant* result) {
if (arg_count > 1 || !NPVARIANT_IS_OBJECT(args[0])) {
NOTREACHED();
return false;
}
if (!is_privileged_) {
DLOG(WARNING) << "getEnabledExtensions invoked in non-privileged mode";
return false;
}
if (!automation_client_.get()) {
DLOG(WARNING) << "getEnabledExtensions invoked with no automaton client";
NOTREACHED();
return false;
}
NPObject* retained_function = npapi::RetainObject(args[0].value.objectValue);
automation_client_->GetEnabledExtensions(retained_function);
// The response to this command will be returned in the
// OnGetEnabledExtensionsCompleted delegate callback function.
return true;
}
void ChromeFrameNPAPI::OnGetEnabledExtensionsComplete(
void* user_data,
const std::vector<FilePath>& extension_directories) {
std::vector<std::wstring> extension_paths;
for (size_t i = 0; i < extension_directories.size(); ++i) {
extension_paths.push_back(extension_directories[i].value());
}
std::wstring tab_delimited = JoinString(extension_paths, L'\t');
std::string res = WideToUTF8(tab_delimited);
ScopedNpVariant result;
NPVariant param;
STRINGN_TO_NPVARIANT(res.c_str(), res.length(), param);
NPObject* func = reinterpret_cast<NPObject*>(user_data);
InvokeDefault(func, param, &result);
npapi::ReleaseObject(func);
}
void ChromeFrameNPAPI::FireEvent(const std::string& event_type,
const std::string& data) {
NPVariant arg;
STRINGN_TO_NPVARIANT(data.c_str(), data.length(), arg);
FireEvent(event_type, arg);
}
void ChromeFrameNPAPI::FireEvent(const std::string& event_type,
const NPVariant& data) {
// Check that we're not bundling an event inside an event.
// Right now we're only expecting simple types for the data argument.
DCHECK(NPVARIANT_IS_OBJECT(data) == false);
ScopedNpObject<NPObject> ev;
CreateEvent(event_type, false, false, ev.Receive());
if (ev) {
// Add the 'data' member to the event.
bool set = npapi::SetProperty(instance_, ev,
npapi::GetStringIdentifier("data"), const_cast<NPVariant*>(&data));
DCHECK(set);
DispatchEvent(ev);
}
}
NpProxyService* ChromeFrameNPAPI::CreatePrefService() {
return new NpProxyService;
}
NPObject* ChromeFrameNPAPI::GetWindowObject() const {
if (!window_object_.get()) {
NPError ret = npapi::GetValue(instance_, NPNVWindowNPObject,
window_object_.Receive());
DLOG_IF(ERROR, ret != NPERR_NO_ERROR) << "NPNVWindowNPObject failed";
}
return window_object_;
}
bool ChromeFrameNPAPI::GetBrowserIncognitoMode() {
bool incognito_mode = false;
// Check disabled for Opera due to bug:
// http://code.google.com/p/chromium/issues/detail?id=24287
if (GetBrowserType() != BROWSER_OPERA) {
// Check whether host browser is in private mode;
NPBool private_mode = FALSE;
NPError err = npapi::GetValue(instance_,
NPNVprivateModeBool,
&private_mode);
if (err == NPERR_NO_ERROR && private_mode) {
incognito_mode = true;
}
} else {
DLOG(WARNING) << "Not checking for private mode in Opera";
}
return incognito_mode;
}
bool ChromeFrameNPAPI::PreProcessContextMenu(HMENU menu) {
// TODO: Remove this overridden method once HandleContextMenuCommand
// implements "About Chrome Frame" handling.
if (!is_privileged_) {
// Call base class (adds 'About' item).
return ChromeFramePlugin::PreProcessContextMenu(menu);
}
return true;
}
bool ChromeFrameNPAPI::HandleContextMenuCommand(UINT cmd,
const IPC::ContextMenuParams& params) {
if (cmd == IDC_ABOUT_CHROME_FRAME) {
// TODO: implement "About Chrome Frame"
}
return false;
}
NPError ChromeFrameNPAPI::NewStream(NPMIMEType type, NPStream* stream,
NPBool seekable, uint16* stream_type) {
return url_fetcher_.NewStream(type, stream, seekable, stream_type);
}
int32 ChromeFrameNPAPI::WriteReady(NPStream* stream) {
return url_fetcher_.WriteReady(stream);
}
int32 ChromeFrameNPAPI::Write(NPStream* stream, int32 offset, int32 len,
void* buffer) {
return url_fetcher_.Write(stream, offset, len, buffer);
}
NPError ChromeFrameNPAPI::DestroyStream(NPStream* stream, NPReason reason) {
return url_fetcher_.DestroyStream(stream, reason);
}
|