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
|
// Copyright (c) 2012 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 "content/renderer/renderer_blink_platform_impl.h"
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/lazy_instance.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/memory/shared_memory.h"
#include "base/metrics/histogram.h"
#include "base/numerics/safe_conversions.h"
#include "base/single_thread_task_runner.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/thread_task_runner_handle.h"
#include "build/build_config.h"
#include "cc/blink/context_provider_web_context.h"
#include "components/scheduler/child/web_scheduler_impl.h"
#include "components/scheduler/renderer/renderer_scheduler.h"
#include "components/scheduler/renderer/webthread_impl_for_renderer_scheduler.h"
#include "content/child/database_util.h"
#include "content/child/file_info_util.h"
#include "content/child/fileapi/webfilesystem_impl.h"
#include "content/child/indexed_db/webidbfactory_impl.h"
#include "content/child/npapi/npobject_util.h"
#include "content/child/quota_dispatcher.h"
#include "content/child/quota_message_filter.h"
#include "content/child/simple_webmimeregistry_impl.h"
#include "content/child/thread_safe_sender.h"
#include "content/child/web_database_observer_impl.h"
#include "content/child/webblobregistry_impl.h"
#include "content/child/webfileutilities_impl.h"
#include "content/child/webmessageportchannel_impl.h"
#include "content/common/file_utilities_messages.h"
#include "content/common/gpu/client/context_provider_command_buffer.h"
#include "content/common/gpu/client/gpu_channel_host.h"
#include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
#include "content/common/gpu/gpu_process_launch_causes.h"
#include "content/common/mime_registry_messages.h"
#include "content/common/view_messages.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/service_registry.h"
#include "content/public/common/webplugininfo.h"
#include "content/public/renderer/content_renderer_client.h"
#include "content/renderer/battery_status/battery_status_dispatcher.h"
#include "content/renderer/cache_storage/webserviceworkercachestorage_impl.h"
#include "content/renderer/device_sensors/device_light_event_pump.h"
#include "content/renderer/device_sensors/device_motion_event_pump.h"
#include "content/renderer/device_sensors/device_orientation_event_pump.h"
#include "content/renderer/dom_storage/webstoragenamespace_impl.h"
#include "content/renderer/gamepad_shared_memory_reader.h"
#include "content/renderer/media/audio_decoder.h"
#include "content/renderer/media/renderer_webaudiodevice_impl.h"
#include "content/renderer/media/renderer_webmidiaccessor_impl.h"
#include "content/renderer/render_thread_impl.h"
#include "content/renderer/renderer_clipboard_delegate.h"
#include "content/renderer/screen_orientation/screen_orientation_observer.h"
#include "content/renderer/webclipboard_impl.h"
#include "content/renderer/webgraphicscontext3d_provider_impl.h"
#include "content/renderer/webpublicsuffixlist_impl.h"
#include "gpu/config/gpu_info.h"
#include "ipc/ipc_sync_message_filter.h"
#include "media/audio/audio_output_device.h"
#include "media/base/audio_hardware_config.h"
#include "media/base/key_systems.h"
#include "media/base/mime_util.h"
#include "media/blink/webcontentdecryptionmodule_impl.h"
#include "media/filters/stream_parser_factory.h"
#include "net/base/net_util.h"
#include "storage/common/database/database_identifier.h"
#include "storage/common/quota/quota_types.h"
#include "third_party/WebKit/public/platform/WebBatteryStatusListener.h"
#include "third_party/WebKit/public/platform/WebBlobRegistry.h"
#include "third_party/WebKit/public/platform/WebDeviceLightListener.h"
#include "third_party/WebKit/public/platform/WebFileInfo.h"
#include "third_party/WebKit/public/platform/WebGamepads.h"
#include "third_party/WebKit/public/platform/WebMediaStreamCenter.h"
#include "third_party/WebKit/public/platform/WebMediaStreamCenterClient.h"
#include "third_party/WebKit/public/platform/WebPluginListBuilder.h"
#include "third_party/WebKit/public/platform/WebURL.h"
#include "third_party/WebKit/public/platform/WebVector.h"
#include "third_party/WebKit/public/platform/modules/device_orientation/WebDeviceMotionListener.h"
#include "third_party/WebKit/public/platform/modules/device_orientation/WebDeviceOrientationListener.h"
#include "ui/gfx/color_profile.h"
#include "url/gurl.h"
#if defined(OS_ANDROID)
#include "content/renderer/android/synchronous_compositor_factory.h"
#include "content/renderer/media/android/audio_decoder_android.h"
#include "gpu/blink/webgraphicscontext3d_in_process_command_buffer_impl.h"
#endif
#if defined(OS_MACOSX)
#include "content/common/mac/font_descriptor.h"
#include "content/common/mac/font_loader.h"
#include "content/renderer/webscrollbarbehavior_impl_mac.h"
#include "third_party/WebKit/public/platform/mac/WebSandboxSupport.h"
#endif
#if defined(OS_POSIX)
#include "base/file_descriptor_posix.h"
#if !defined(OS_MACOSX) && !defined(OS_ANDROID)
#include <map>
#include <string>
#include "base/synchronization/lock.h"
#include "content/common/child_process_sandbox_support_impl_linux.h"
#include "third_party/WebKit/public/platform/linux/WebFallbackFont.h"
#include "third_party/WebKit/public/platform/linux/WebSandboxSupport.h"
#include "third_party/icu/source/common/unicode/utf16.h"
#endif
#endif
#if defined(OS_WIN)
#include "content/common/child_process_messages.h"
#endif
#if defined(USE_AURA)
#include "content/renderer/webscrollbarbehavior_impl_gtkoraura.h"
#elif !defined(OS_MACOSX)
#include "third_party/WebKit/public/platform/WebScrollbarBehavior.h"
#define WebScrollbarBehaviorImpl blink::WebScrollbarBehavior
#endif
#if defined(ENABLE_WEBRTC)
#include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
#endif
using blink::Platform;
using blink::WebAudioDevice;
using blink::WebBlobRegistry;
using blink::WebDatabaseObserver;
using blink::WebFileInfo;
using blink::WebFileSystem;
using blink::WebGamepad;
using blink::WebGamepads;
using blink::WebIDBFactory;
using blink::WebMIDIAccessor;
using blink::WebMediaStreamCenter;
using blink::WebMediaStreamCenterClient;
using blink::WebMimeRegistry;
using blink::WebRTCPeerConnectionHandler;
using blink::WebRTCPeerConnectionHandlerClient;
using blink::WebStorageNamespace;
using blink::WebString;
using blink::WebURL;
using blink::WebVector;
namespace content {
namespace {
bool g_sandbox_enabled = true;
double g_test_device_light_data = -1;
base::LazyInstance<blink::WebDeviceMotionData>::Leaky
g_test_device_motion_data = LAZY_INSTANCE_INITIALIZER;
base::LazyInstance<blink::WebDeviceOrientationData>::Leaky
g_test_device_orientation_data = LAZY_INSTANCE_INITIALIZER;
// Set in startListening() when running layout tests, unset in stopListening(),
// not owned by us.
blink::WebBatteryStatusListener* g_test_battery_status_listener = nullptr;
} // namespace
//------------------------------------------------------------------------------
class RendererBlinkPlatformImpl::MimeRegistry
: public SimpleWebMimeRegistryImpl {
public:
virtual blink::WebMimeRegistry::SupportsType supportsMediaMIMEType(
const blink::WebString& mime_type,
const blink::WebString& codecs,
const blink::WebString& key_system);
virtual bool supportsMediaSourceMIMEType(const blink::WebString& mime_type,
const blink::WebString& codecs);
virtual blink::WebString mimeTypeForExtension(
const blink::WebString& file_extension);
virtual blink::WebString mimeTypeFromFile(
const blink::WebString& file_path);
};
class RendererBlinkPlatformImpl::FileUtilities : public WebFileUtilitiesImpl {
public:
explicit FileUtilities(ThreadSafeSender* sender)
: thread_safe_sender_(sender) {}
virtual bool getFileInfo(const WebString& path, WebFileInfo& result);
private:
bool SendSyncMessageFromAnyThread(IPC::SyncMessage* msg) const;
scoped_refptr<ThreadSafeSender> thread_safe_sender_;
};
#if !defined(OS_ANDROID) && !defined(OS_WIN)
class RendererBlinkPlatformImpl::SandboxSupport
: public blink::WebSandboxSupport {
public:
virtual ~SandboxSupport() {}
#if defined(OS_MACOSX)
virtual bool loadFont(
NSFont* src_font,
CGFontRef* container,
uint32* font_id);
#elif defined(OS_POSIX)
virtual void getFallbackFontForCharacter(
blink::WebUChar32 character,
const char* preferred_locale,
blink::WebFallbackFont* fallbackFont);
virtual void getRenderStyleForStrike(
const char* family, int sizeAndStyle, blink::WebFontRenderStyle* out);
private:
// WebKit likes to ask us for the correct font family to use for a set of
// unicode code points. It needs this information frequently so we cache it
// here.
base::Lock unicode_font_families_mutex_;
std::map<int32_t, blink::WebFallbackFont> unicode_font_families_;
#endif
};
#endif // !defined(OS_ANDROID) && !defined(OS_WIN)
//------------------------------------------------------------------------------
RendererBlinkPlatformImpl::RendererBlinkPlatformImpl(
scheduler::RendererScheduler* renderer_scheduler)
: BlinkPlatformImpl(renderer_scheduler->DefaultTaskRunner()),
main_thread_(
new scheduler::WebThreadImplForRendererScheduler(renderer_scheduler)),
clipboard_delegate_(new RendererClipboardDelegate),
clipboard_(new WebClipboardImpl(clipboard_delegate_.get())),
mime_registry_(new RendererBlinkPlatformImpl::MimeRegistry),
sudden_termination_disables_(0),
plugin_refresh_allowed_(true),
default_task_runner_(renderer_scheduler->DefaultTaskRunner()),
web_scrollbar_behavior_(new WebScrollbarBehaviorImpl) {
#if !defined(OS_ANDROID) && !defined(OS_WIN)
if (g_sandbox_enabled && sandboxEnabled()) {
sandbox_support_.reset(new RendererBlinkPlatformImpl::SandboxSupport);
} else {
DVLOG(1) << "Disabling sandbox support for testing.";
}
#endif
// ChildThread may not exist in some tests.
if (ChildThreadImpl::current()) {
sync_message_filter_ = ChildThreadImpl::current()->sync_message_filter();
thread_safe_sender_ = ChildThreadImpl::current()->thread_safe_sender();
quota_message_filter_ = ChildThreadImpl::current()->quota_message_filter();
blob_registry_.reset(new WebBlobRegistryImpl(thread_safe_sender_.get()));
web_idb_factory_.reset(new WebIDBFactoryImpl(thread_safe_sender_.get()));
web_database_observer_impl_.reset(
new WebDatabaseObserverImpl(sync_message_filter_.get()));
}
}
RendererBlinkPlatformImpl::~RendererBlinkPlatformImpl() {
WebFileSystemImpl::DeleteThreadSpecificInstance();
}
//------------------------------------------------------------------------------
blink::WebThread* RendererBlinkPlatformImpl::currentThread() {
if (main_thread_->isCurrentThread())
return main_thread_.get();
return BlinkPlatformImpl::currentThread();
}
blink::WebClipboard* RendererBlinkPlatformImpl::clipboard() {
blink::WebClipboard* clipboard =
GetContentClient()->renderer()->OverrideWebClipboard();
if (clipboard)
return clipboard;
return clipboard_.get();
}
blink::WebMimeRegistry* RendererBlinkPlatformImpl::mimeRegistry() {
return mime_registry_.get();
}
blink::WebFileUtilities* RendererBlinkPlatformImpl::fileUtilities() {
if (!file_utilities_) {
file_utilities_.reset(new FileUtilities(thread_safe_sender_.get()));
file_utilities_->set_sandbox_enabled(sandboxEnabled());
}
return file_utilities_.get();
}
blink::WebSandboxSupport* RendererBlinkPlatformImpl::sandboxSupport() {
#if defined(OS_ANDROID) || defined(OS_WIN)
// These platforms do not require sandbox support.
return NULL;
#else
return sandbox_support_.get();
#endif
}
blink::WebCookieJar* RendererBlinkPlatformImpl::cookieJar() {
NOTREACHED() << "Use WebFrameClient::cookieJar() instead!";
return NULL;
}
blink::WebThemeEngine* RendererBlinkPlatformImpl::themeEngine() {
blink::WebThemeEngine* theme_engine =
GetContentClient()->renderer()->OverrideThemeEngine();
if (theme_engine)
return theme_engine;
return BlinkPlatformImpl::themeEngine();
}
bool RendererBlinkPlatformImpl::sandboxEnabled() {
// As explained in Platform.h, this function is used to decide
// whether to allow file system operations to come out of WebKit or not.
// Even if the sandbox is disabled, there's no reason why the code should
// act any differently...unless we're in single process mode. In which
// case, we have no other choice. Platform.h discourages using
// this switch unless absolutely necessary, so hopefully we won't end up
// with too many code paths being different in single-process mode.
return !base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kSingleProcess);
}
unsigned long long RendererBlinkPlatformImpl::visitedLinkHash(
const char* canonical_url,
size_t length) {
return GetContentClient()->renderer()->VisitedLinkHash(canonical_url, length);
}
bool RendererBlinkPlatformImpl::isLinkVisited(unsigned long long link_hash) {
return GetContentClient()->renderer()->IsLinkVisited(link_hash);
}
void RendererBlinkPlatformImpl::createMessageChannel(
blink::WebMessagePortChannel** channel1,
blink::WebMessagePortChannel** channel2) {
WebMessagePortChannelImpl::CreatePair(
default_task_runner_, channel1, channel2);
}
blink::WebPrescientNetworking*
RendererBlinkPlatformImpl::prescientNetworking() {
return GetContentClient()->renderer()->GetPrescientNetworking();
}
void RendererBlinkPlatformImpl::cacheMetadata(const blink::WebURL& url,
int64 response_time,
const char* data,
size_t size) {
// Let the browser know we generated cacheable metadata for this resource. The
// browser may cache it and return it on subsequent responses to speed
// the processing of this resource.
std::vector<char> copy(data, data + size);
RenderThread::Get()->Send(new ViewHostMsg_DidGenerateCacheableMetadata(
url, base::Time::FromInternalValue(response_time), copy));
}
WebString RendererBlinkPlatformImpl::defaultLocale() {
return base::ASCIIToUTF16(RenderThread::Get()->GetLocale());
}
void RendererBlinkPlatformImpl::suddenTerminationChanged(bool enabled) {
if (enabled) {
// We should not get more enables than disables, but we want it to be a
// non-fatal error if it does happen.
DCHECK_GT(sudden_termination_disables_, 0);
sudden_termination_disables_ = std::max(sudden_termination_disables_ - 1,
0);
if (sudden_termination_disables_ != 0)
return;
} else {
sudden_termination_disables_++;
if (sudden_termination_disables_ != 1)
return;
}
RenderThread* thread = RenderThread::Get();
if (thread) // NULL in unittests.
thread->Send(new ViewHostMsg_SuddenTerminationChanged(enabled));
}
WebStorageNamespace* RendererBlinkPlatformImpl::createLocalStorageNamespace() {
return new WebStorageNamespaceImpl();
}
//------------------------------------------------------------------------------
WebIDBFactory* RendererBlinkPlatformImpl::idbFactory() {
return web_idb_factory_.get();
}
//------------------------------------------------------------------------------
blink::WebServiceWorkerCacheStorage* RendererBlinkPlatformImpl::cacheStorage(
const WebString& origin_identifier) {
const GURL origin =
storage::GetOriginFromIdentifier(origin_identifier.utf8());
return new WebServiceWorkerCacheStorageImpl(thread_safe_sender_.get(),
origin);
}
//------------------------------------------------------------------------------
WebFileSystem* RendererBlinkPlatformImpl::fileSystem() {
return WebFileSystemImpl::ThreadSpecificInstance(default_task_runner_);
}
//------------------------------------------------------------------------------
WebMimeRegistry::SupportsType
RendererBlinkPlatformImpl::MimeRegistry::supportsMediaMIMEType(
const WebString& mime_type,
const WebString& codecs,
const WebString& key_system) {
const std::string mime_type_ascii = ToASCIIOrEmpty(mime_type);
// Not supporting the container is a flat-out no.
if (!media::IsSupportedMediaMimeType(mime_type_ascii))
return IsNotSupported;
if (!key_system.isEmpty()) {
// Check whether the key system is supported with the mime_type and codecs.
// Chromium only supports ASCII parameters.
if (!base::IsStringASCII(key_system))
return IsNotSupported;
std::string key_system_ascii =
media::GetUnprefixedKeySystemName(base::UTF16ToASCII(
base::StringPiece16(key_system)));
std::vector<std::string> strict_codecs;
media::ParseCodecString(ToASCIIOrEmpty(codecs), &strict_codecs, true);
if (!media::PrefixedIsSupportedKeySystemWithMediaMimeType(
mime_type_ascii, strict_codecs, key_system_ascii)) {
return IsNotSupported;
}
// Continue processing the mime_type and codecs.
}
// Check list of strict codecs to see if it is supported.
if (media::IsStrictMediaMimeType(mime_type_ascii)) {
// Check if the codecs are a perfect match.
std::vector<std::string> strict_codecs;
media::ParseCodecString(ToASCIIOrEmpty(codecs), &strict_codecs, false);
return static_cast<WebMimeRegistry::SupportsType> (
media::IsSupportedStrictMediaMimeType(mime_type_ascii, strict_codecs));
}
// If we don't recognize the codec, it's possible we support it.
std::vector<std::string> parsed_codecs;
media::ParseCodecString(ToASCIIOrEmpty(codecs), &parsed_codecs, true);
if (!media::AreSupportedMediaCodecs(parsed_codecs))
return MayBeSupported;
// Otherwise we have a perfect match.
return IsSupported;
}
bool RendererBlinkPlatformImpl::MimeRegistry::supportsMediaSourceMIMEType(
const blink::WebString& mime_type,
const WebString& codecs) {
const std::string mime_type_ascii = ToASCIIOrEmpty(mime_type);
std::vector<std::string> parsed_codec_ids;
media::ParseCodecString(ToASCIIOrEmpty(codecs), &parsed_codec_ids, false);
if (mime_type_ascii.empty())
return false;
return media::StreamParserFactory::IsTypeSupported(
mime_type_ascii, parsed_codec_ids);
}
WebString RendererBlinkPlatformImpl::MimeRegistry::mimeTypeForExtension(
const WebString& file_extension) {
if (IsPluginProcess())
return SimpleWebMimeRegistryImpl::mimeTypeForExtension(file_extension);
// The sandbox restricts our access to the registry, so we need to proxy
// these calls over to the browser process.
std::string mime_type;
RenderThread::Get()->Send(
new MimeRegistryMsg_GetMimeTypeFromExtension(
base::FilePath::FromUTF16Unsafe(file_extension).value(), &mime_type));
return base::ASCIIToUTF16(mime_type);
}
WebString RendererBlinkPlatformImpl::MimeRegistry::mimeTypeFromFile(
const WebString& file_path) {
if (IsPluginProcess())
return SimpleWebMimeRegistryImpl::mimeTypeFromFile(file_path);
// The sandbox restricts our access to the registry, so we need to proxy
// these calls over to the browser process.
std::string mime_type;
RenderThread::Get()->Send(new MimeRegistryMsg_GetMimeTypeFromFile(
base::FilePath::FromUTF16Unsafe(file_path),
&mime_type));
return base::ASCIIToUTF16(mime_type);
}
//------------------------------------------------------------------------------
bool RendererBlinkPlatformImpl::FileUtilities::getFileInfo(
const WebString& path,
WebFileInfo& web_file_info) {
base::File::Info file_info;
base::File::Error status = base::File::FILE_ERROR_MAX;
if (!SendSyncMessageFromAnyThread(new FileUtilitiesMsg_GetFileInfo(
base::FilePath::FromUTF16Unsafe(path), &file_info, &status)) ||
status != base::File::FILE_OK) {
return false;
}
FileInfoToWebFileInfo(file_info, &web_file_info);
web_file_info.platformPath = path;
return true;
}
bool RendererBlinkPlatformImpl::FileUtilities::SendSyncMessageFromAnyThread(
IPC::SyncMessage* msg) const {
base::TimeTicks begin = base::TimeTicks::Now();
const bool success = thread_safe_sender_->Send(msg);
base::TimeDelta delta = base::TimeTicks::Now() - begin;
UMA_HISTOGRAM_TIMES("RendererSyncIPC.ElapsedTime", delta);
return success;
}
//------------------------------------------------------------------------------
#if defined(OS_MACOSX)
bool RendererBlinkPlatformImpl::SandboxSupport::loadFont(NSFont* src_font,
CGFontRef* out,
uint32* font_id) {
uint32 font_data_size;
FontDescriptor src_font_descriptor(src_font);
base::SharedMemoryHandle font_data;
if (!RenderThread::Get()->Send(new ViewHostMsg_LoadFont(
src_font_descriptor, &font_data_size, &font_data, font_id))) {
*out = NULL;
*font_id = 0;
return false;
}
if (font_data_size == 0 || font_data == base::SharedMemory::NULLHandle() ||
*font_id == 0) {
LOG(ERROR) << "Bad response from ViewHostMsg_LoadFont() for " <<
src_font_descriptor.font_name;
*out = NULL;
*font_id = 0;
return false;
}
// TODO(jeremy): Need to call back into WebKit to make sure that the font
// isn't already activated, based on the font id. If it's already
// activated, don't reactivate it here - crbug.com/72727 .
return FontLoader::CGFontRefFromBuffer(font_data, font_data_size, out);
}
#elif defined(OS_POSIX) && !defined(OS_ANDROID)
void RendererBlinkPlatformImpl::SandboxSupport::getFallbackFontForCharacter(
blink::WebUChar32 character,
const char* preferred_locale,
blink::WebFallbackFont* fallbackFont) {
base::AutoLock lock(unicode_font_families_mutex_);
const std::map<int32_t, blink::WebFallbackFont>::const_iterator iter =
unicode_font_families_.find(character);
if (iter != unicode_font_families_.end()) {
fallbackFont->name = iter->second.name;
fallbackFont->filename = iter->second.filename;
fallbackFont->fontconfigInterfaceId = iter->second.fontconfigInterfaceId;
fallbackFont->ttcIndex = iter->second.ttcIndex;
fallbackFont->isBold = iter->second.isBold;
fallbackFont->isItalic = iter->second.isItalic;
return;
}
GetFallbackFontForCharacter(character, preferred_locale, fallbackFont);
unicode_font_families_.insert(std::make_pair(character, *fallbackFont));
}
void RendererBlinkPlatformImpl::SandboxSupport::getRenderStyleForStrike(
const char* family,
int sizeAndStyle,
blink::WebFontRenderStyle* out) {
GetRenderStyleForStrike(family, sizeAndStyle, out);
}
#endif
//------------------------------------------------------------------------------
Platform::FileHandle RendererBlinkPlatformImpl::databaseOpenFile(
const WebString& vfs_file_name,
int desired_flags) {
return DatabaseUtil::DatabaseOpenFile(
vfs_file_name, desired_flags, sync_message_filter_.get());
}
int RendererBlinkPlatformImpl::databaseDeleteFile(
const WebString& vfs_file_name,
bool sync_dir) {
return DatabaseUtil::DatabaseDeleteFile(
vfs_file_name, sync_dir, sync_message_filter_.get());
}
long RendererBlinkPlatformImpl::databaseGetFileAttributes(
const WebString& vfs_file_name) {
return DatabaseUtil::DatabaseGetFileAttributes(vfs_file_name,
sync_message_filter_.get());
}
long long RendererBlinkPlatformImpl::databaseGetFileSize(
const WebString& vfs_file_name) {
return DatabaseUtil::DatabaseGetFileSize(vfs_file_name,
sync_message_filter_.get());
}
long long RendererBlinkPlatformImpl::databaseGetSpaceAvailableForOrigin(
const WebString& origin_identifier) {
return DatabaseUtil::DatabaseGetSpaceAvailable(origin_identifier,
sync_message_filter_.get());
}
bool RendererBlinkPlatformImpl::databaseSetFileSize(
const WebString& vfs_file_name, long long size) {
return DatabaseUtil::DatabaseSetFileSize(
vfs_file_name, size, sync_message_filter_.get());
}
bool RendererBlinkPlatformImpl::canAccelerate2dCanvas() {
#if defined(OS_ANDROID)
SynchronousCompositorFactory* factory =
SynchronousCompositorFactory::GetInstance();
if (factory && factory->OverrideWithFactory()) {
return factory->GetGPUInfo().SupportsAccelerated2dCanvas();
}
#endif
RenderThreadImpl* thread = RenderThreadImpl::current();
GpuChannelHost* host = thread->EstablishGpuChannelSync(
CAUSE_FOR_GPU_LAUNCH_CANVAS_2D);
if (!host)
return false;
return host->gpu_info().SupportsAccelerated2dCanvas();
}
bool RendererBlinkPlatformImpl::isThreadedCompositingEnabled() {
RenderThreadImpl* thread = RenderThreadImpl::current();
// thread can be NULL in tests.
return thread && thread->compositor_task_runner().get();
}
double RendererBlinkPlatformImpl::audioHardwareSampleRate() {
RenderThreadImpl* thread = RenderThreadImpl::current();
return thread->GetAudioHardwareConfig()->GetOutputSampleRate();
}
size_t RendererBlinkPlatformImpl::audioHardwareBufferSize() {
RenderThreadImpl* thread = RenderThreadImpl::current();
return thread->GetAudioHardwareConfig()->GetOutputBufferSize();
}
unsigned RendererBlinkPlatformImpl::audioHardwareOutputChannels() {
RenderThreadImpl* thread = RenderThreadImpl::current();
return thread->GetAudioHardwareConfig()->GetOutputChannels();
}
WebDatabaseObserver* RendererBlinkPlatformImpl::databaseObserver() {
return web_database_observer_impl_.get();
}
WebAudioDevice* RendererBlinkPlatformImpl::createAudioDevice(
size_t buffer_size,
unsigned input_channels,
unsigned channels,
double sample_rate,
WebAudioDevice::RenderCallback* callback,
const blink::WebString& input_device_id) {
// Use a mock for testing.
blink::WebAudioDevice* mock_device =
GetContentClient()->renderer()->OverrideCreateAudioDevice(sample_rate);
if (mock_device)
return mock_device;
// The |channels| does not exactly identify the channel layout of the
// device. The switch statement below assigns a best guess to the channel
// layout based on number of channels.
media::ChannelLayout layout = media::CHANNEL_LAYOUT_UNSUPPORTED;
switch (channels) {
case 1:
layout = media::CHANNEL_LAYOUT_MONO;
break;
case 2:
layout = media::CHANNEL_LAYOUT_STEREO;
break;
case 3:
layout = media::CHANNEL_LAYOUT_2_1;
break;
case 4:
layout = media::CHANNEL_LAYOUT_4_0;
break;
case 5:
layout = media::CHANNEL_LAYOUT_5_0;
break;
case 6:
layout = media::CHANNEL_LAYOUT_5_1;
break;
case 7:
layout = media::CHANNEL_LAYOUT_7_0;
break;
case 8:
layout = media::CHANNEL_LAYOUT_7_1;
break;
default:
// If the layout is not supported (more than 9 channels), falls back to
// discrete mode.
layout = media::CHANNEL_LAYOUT_DISCRETE;
}
int session_id = 0;
if (input_device_id.isNull() ||
!base::StringToInt(base::UTF16ToUTF8(
base::StringPiece16(input_device_id)), &session_id)) {
if (input_channels > 0)
DLOG(WARNING) << "createAudioDevice(): request for audio input ignored";
input_channels = 0;
}
// For CHANNEL_LAYOUT_DISCRETE, pass the explicit channel count along with
// the channel layout when creating an |AudioParameters| object.
media::AudioParameters params(
media::AudioParameters::AUDIO_PCM_LOW_LATENCY,
layout, channels, static_cast<int>(sample_rate), 16, buffer_size,
media::AudioParameters::NO_EFFECTS);
return new RendererWebAudioDeviceImpl(params, callback, session_id);
}
#if defined(OS_ANDROID)
bool RendererBlinkPlatformImpl::loadAudioResource(
blink::WebAudioBus* destination_bus,
const char* audio_file_data,
size_t data_size) {
return DecodeAudioFileData(destination_bus,
audio_file_data,
data_size,
thread_safe_sender_);
}
#else
bool RendererBlinkPlatformImpl::loadAudioResource(
blink::WebAudioBus* destination_bus,
const char* audio_file_data,
size_t data_size) {
return DecodeAudioFileData(
destination_bus, audio_file_data, data_size);
}
#endif // defined(OS_ANDROID)
//------------------------------------------------------------------------------
blink::WebMIDIAccessor* RendererBlinkPlatformImpl::createMIDIAccessor(
blink::WebMIDIAccessorClient* client) {
blink::WebMIDIAccessor* accessor =
GetContentClient()->renderer()->OverrideCreateMIDIAccessor(client);
if (accessor)
return accessor;
return new RendererWebMIDIAccessorImpl(client);
}
void RendererBlinkPlatformImpl::getPluginList(
bool refresh,
blink::WebPluginListBuilder* builder) {
#if defined(ENABLE_PLUGINS)
std::vector<WebPluginInfo> plugins;
if (!plugin_refresh_allowed_)
refresh = false;
RenderThread::Get()->Send(
new ViewHostMsg_GetPlugins(refresh, &plugins));
for (size_t i = 0; i < plugins.size(); ++i) {
const WebPluginInfo& plugin = plugins[i];
builder->addPlugin(
plugin.name, plugin.desc,
plugin.path.BaseName().AsUTF16Unsafe());
for (size_t j = 0; j < plugin.mime_types.size(); ++j) {
const WebPluginMimeType& mime_type = plugin.mime_types[j];
builder->addMediaTypeToLastPlugin(
WebString::fromUTF8(mime_type.mime_type), mime_type.description);
for (size_t k = 0; k < mime_type.file_extensions.size(); ++k) {
builder->addFileExtensionToLastMediaType(
WebString::fromUTF8(mime_type.file_extensions[k]));
}
}
}
#endif
}
//------------------------------------------------------------------------------
blink::WebPublicSuffixList* RendererBlinkPlatformImpl::publicSuffixList() {
return &public_suffix_list_;
}
//------------------------------------------------------------------------------
blink::WebString RendererBlinkPlatformImpl::signedPublicKeyAndChallengeString(
unsigned key_size_index,
const blink::WebString& challenge,
const blink::WebURL& url) {
std::string signed_public_key;
RenderThread::Get()->Send(new ViewHostMsg_Keygen(
static_cast<uint32>(key_size_index),
challenge.utf8(),
GURL(url),
&signed_public_key));
return WebString::fromUTF8(signed_public_key);
}
//------------------------------------------------------------------------------
void RendererBlinkPlatformImpl::screenColorProfile(
WebVector<char>* to_profile) {
#if defined(OS_WIN)
// On Windows screen color profile is only available in the browser.
std::vector<char> profile;
// This Send() can be called from any impl-side thread. Use a thread
// safe send to avoid crashing trying to access RenderThread::Get(),
// which is not accessible from arbitrary threads.
thread_safe_sender_->Send(
new ViewHostMsg_GetMonitorColorProfile(&profile));
*to_profile = profile;
#else
// On other platforms, the primary monitor color profile can be read
// directly.
gfx::ColorProfile profile;
*to_profile = profile.profile();
#endif
}
//------------------------------------------------------------------------------
blink::WebScrollbarBehavior* RendererBlinkPlatformImpl::scrollbarBehavior() {
return web_scrollbar_behavior_.get();
}
//------------------------------------------------------------------------------
WebBlobRegistry* RendererBlinkPlatformImpl::blobRegistry() {
// blob_registry_ can be NULL when running some tests.
return blob_registry_.get();
}
//------------------------------------------------------------------------------
void RendererBlinkPlatformImpl::sampleGamepads(WebGamepads& gamepads) {
PlatformEventObserverBase* observer =
platform_event_observers_.Lookup(blink::WebPlatformEventGamepad);
if (!observer)
return;
static_cast<RendererGamepadProvider*>(observer)->SampleGamepads(gamepads);
}
//------------------------------------------------------------------------------
WebRTCPeerConnectionHandler*
RendererBlinkPlatformImpl::createRTCPeerConnectionHandler(
WebRTCPeerConnectionHandlerClient* client) {
RenderThreadImpl* render_thread = RenderThreadImpl::current();
DCHECK(render_thread);
if (!render_thread)
return NULL;
#if defined(ENABLE_WEBRTC)
WebRTCPeerConnectionHandler* peer_connection_handler =
GetContentClient()->renderer()->OverrideCreateWebRTCPeerConnectionHandler(
client);
if (peer_connection_handler)
return peer_connection_handler;
PeerConnectionDependencyFactory* rtc_dependency_factory =
render_thread->GetPeerConnectionDependencyFactory();
return rtc_dependency_factory->CreateRTCPeerConnectionHandler(client);
#else
return NULL;
#endif // defined(ENABLE_WEBRTC)
}
//------------------------------------------------------------------------------
WebMediaStreamCenter* RendererBlinkPlatformImpl::createMediaStreamCenter(
WebMediaStreamCenterClient* client) {
RenderThreadImpl* render_thread = RenderThreadImpl::current();
DCHECK(render_thread);
if (!render_thread)
return NULL;
return render_thread->CreateMediaStreamCenter(client);
}
// static
bool RendererBlinkPlatformImpl::SetSandboxEnabledForTesting(bool enable) {
bool was_enabled = g_sandbox_enabled;
g_sandbox_enabled = enable;
return was_enabled;
}
//------------------------------------------------------------------------------
blink::WebSpeechSynthesizer* RendererBlinkPlatformImpl::createSpeechSynthesizer(
blink::WebSpeechSynthesizerClient* client) {
return GetContentClient()->renderer()->OverrideSpeechSynthesizer(client);
}
//------------------------------------------------------------------------------
bool RendererBlinkPlatformImpl::processMemorySizesInBytes(
size_t* private_bytes,
size_t* shared_bytes) {
content::RenderThread::Get()->Send(
new ViewHostMsg_GetProcessMemorySizes(private_bytes, shared_bytes));
return true;
}
//------------------------------------------------------------------------------
blink::WebGraphicsContext3D*
RendererBlinkPlatformImpl::createOffscreenGraphicsContext3D(
const blink::WebGraphicsContext3D::Attributes& attributes) {
return createOffscreenGraphicsContext3D(attributes, NULL);
}
blink::WebGraphicsContext3D*
RendererBlinkPlatformImpl::createOffscreenGraphicsContext3D(
const blink::WebGraphicsContext3D::Attributes& attributes,
blink::WebGraphicsContext3D* share_context) {
return createOffscreenGraphicsContext3D(attributes, share_context, NULL);
}
blink::WebGraphicsContext3D*
RendererBlinkPlatformImpl::createOffscreenGraphicsContext3D(
const blink::WebGraphicsContext3D::Attributes& attributes,
blink::WebGraphicsContext3D* share_context,
blink::WebGLInfo* gl_info) {
if (!RenderThreadImpl::current())
return NULL;
#if defined(OS_ANDROID)
SynchronousCompositorFactory* factory =
SynchronousCompositorFactory::GetInstance();
if (factory && factory->OverrideWithFactory()) {
scoped_ptr<gpu_blink::WebGraphicsContext3DInProcessCommandBufferImpl>
in_process_context(
factory->CreateOffscreenGraphicsContext3D(attributes));
if (!in_process_context || !in_process_context->InitializeOnCurrentThread())
return NULL;
return in_process_context.release();
}
#endif
scoped_refptr<GpuChannelHost> gpu_channel_host(
RenderThreadImpl::current()->EstablishGpuChannelSync(
CAUSE_FOR_GPU_LAUNCH_WEBGRAPHICSCONTEXT3DCOMMANDBUFFERIMPL_INITIALIZE));
if (gpu_channel_host.get() && gl_info) {
const gpu::GPUInfo& gpu_info = gpu_channel_host->gpu_info();
switch (gpu_info.context_info_state) {
case gpu::kCollectInfoSuccess:
case gpu::kCollectInfoNonFatalFailure:
gl_info->vendorInfo.assign(
blink::WebString::fromUTF8(gpu_info.gl_vendor));
gl_info->rendererInfo.assign(
blink::WebString::fromUTF8(gpu_info.gl_renderer));
gl_info->driverVersion.assign(
blink::WebString::fromUTF8(gpu_info.driver_version));
gl_info->vendorId = gpu_info.gpu.vendor_id;
gl_info->deviceId = gpu_info.gpu.device_id;
break;
case gpu::kCollectInfoFatalFailure:
case gpu::kCollectInfoNone:
gl_info->contextInfoCollectionFailure.assign(blink::WebString::fromUTF8(
"GPUInfoCollectionFailure: GPU initialization Failed. GPU "
"Info not Collected."));
break;
default:
NOTREACHED();
};
}
WebGraphicsContext3DCommandBufferImpl::SharedMemoryLimits limits;
bool lose_context_when_out_of_memory = false;
scoped_ptr<WebGraphicsContext3DCommandBufferImpl> context(
WebGraphicsContext3DCommandBufferImpl::CreateOffscreenContext(
gpu_channel_host.get(),
attributes,
lose_context_when_out_of_memory,
GURL(attributes.topDocumentURL),
limits,
static_cast<WebGraphicsContext3DCommandBufferImpl*>(share_context)));
// Most likely the GPU process exited and the attempt to reconnect to it
// failed. Need to try to restore the context again later.
if (!context || !context->InitializeOnCurrentThread())
return NULL;
return context.release();
}
//------------------------------------------------------------------------------
blink::WebGraphicsContext3DProvider*
RendererBlinkPlatformImpl::createSharedOffscreenGraphicsContext3DProvider() {
scoped_refptr<cc_blink::ContextProviderWebContext> provider =
RenderThreadImpl::current()->SharedMainThreadContextProvider();
if (!provider.get())
return NULL;
return new WebGraphicsContext3DProviderImpl(provider);
}
//------------------------------------------------------------------------------
blink::WebCompositorSupport* RendererBlinkPlatformImpl::compositorSupport() {
return &compositor_support_;
}
//------------------------------------------------------------------------------
blink::WebString RendererBlinkPlatformImpl::convertIDNToUnicode(
const blink::WebString& host,
const blink::WebString& languages) {
return net::IDNToUnicode(host.utf8(), languages.utf8());
}
//------------------------------------------------------------------------------
void RendererBlinkPlatformImpl::recordRappor(const char* metric,
const blink::WebString& sample) {
GetContentClient()->renderer()->RecordRappor(metric, sample.utf8());
}
void RendererBlinkPlatformImpl::recordRapporURL(const char* metric,
const blink::WebURL& url) {
GetContentClient()->renderer()->RecordRapporURL(metric, url);
}
//------------------------------------------------------------------------------
// static
void RendererBlinkPlatformImpl::SetMockDeviceLightDataForTesting(double data) {
g_test_device_light_data = data;
}
//------------------------------------------------------------------------------
// static
void RendererBlinkPlatformImpl::SetMockDeviceMotionDataForTesting(
const blink::WebDeviceMotionData& data) {
g_test_device_motion_data.Get() = data;
}
//------------------------------------------------------------------------------
// static
void RendererBlinkPlatformImpl::SetMockDeviceOrientationDataForTesting(
const blink::WebDeviceOrientationData& data) {
g_test_device_orientation_data.Get() = data;
}
//------------------------------------------------------------------------------
void RendererBlinkPlatformImpl::vibrate(unsigned int milliseconds) {
GetConnectedVibrationManagerService()->Vibrate(
base::checked_cast<int64>(milliseconds));
vibration_manager_.reset();
}
void RendererBlinkPlatformImpl::cancelVibration() {
GetConnectedVibrationManagerService()->Cancel();
vibration_manager_.reset();
}
device::VibrationManagerPtr&
RendererBlinkPlatformImpl::GetConnectedVibrationManagerService() {
if (!vibration_manager_) {
RenderThread::Get()->GetServiceRegistry()->ConnectToRemoteService(
mojo::GetProxy(&vibration_manager_));
}
return vibration_manager_;
}
//------------------------------------------------------------------------------
// static
PlatformEventObserverBase*
RendererBlinkPlatformImpl::CreatePlatformEventObserverFromType(
blink::WebPlatformEventType type) {
RenderThread* thread = RenderThreadImpl::current();
// When running layout tests, those observers should not listen to the actual
// hardware changes. In order to make that happen, they will receive a null
// thread.
if (thread && RenderThreadImpl::current()->layout_test_mode())
thread = NULL;
switch (type) {
case blink::WebPlatformEventDeviceMotion:
return new DeviceMotionEventPump(thread);
case blink::WebPlatformEventDeviceOrientation:
return new DeviceOrientationEventPump(thread);
case blink::WebPlatformEventDeviceLight:
return new DeviceLightEventPump(thread);
case blink::WebPlatformEventGamepad:
return new GamepadSharedMemoryReader(thread);
case blink::WebPlatformEventScreenOrientation:
return new ScreenOrientationObserver();
default:
// A default statement is required to prevent compilation errors when
// Blink adds a new type.
DVLOG(1) << "RendererBlinkPlatformImpl::startListening() with "
"unknown type.";
}
return NULL;
}
void RendererBlinkPlatformImpl::SetPlatformEventObserverForTesting(
blink::WebPlatformEventType type,
scoped_ptr<PlatformEventObserverBase> observer) {
DCHECK(type != blink::WebPlatformEventBattery);
if (platform_event_observers_.Lookup(type))
platform_event_observers_.Remove(type);
platform_event_observers_.AddWithID(observer.release(), type);
}
void RendererBlinkPlatformImpl::startListening(
blink::WebPlatformEventType type,
blink::WebPlatformEventListener* listener) {
if (type == blink::WebPlatformEventBattery) {
if (RenderThreadImpl::current() &&
RenderThreadImpl::current()->layout_test_mode()) {
g_test_battery_status_listener =
static_cast<blink::WebBatteryStatusListener*>(listener);
} else {
battery_status_dispatcher_.reset(new BatteryStatusDispatcher(
static_cast<blink::WebBatteryStatusListener*>(listener)));
}
return;
}
PlatformEventObserverBase* observer = platform_event_observers_.Lookup(type);
if (!observer) {
observer = CreatePlatformEventObserverFromType(type);
if (!observer)
return;
platform_event_observers_.AddWithID(observer, static_cast<int32>(type));
}
observer->Start(listener);
// Device events (motion, orientation and light) expect to get an event fired
// as soon as a listener is registered if a fake data was passed before.
// TODO(mlamouri,timvolodine): make those send mock values directly instead of
// using this broken pattern.
if (RenderThreadImpl::current() &&
RenderThreadImpl::current()->layout_test_mode() &&
(type == blink::WebPlatformEventDeviceMotion ||
type == blink::WebPlatformEventDeviceOrientation ||
type == blink::WebPlatformEventDeviceLight)) {
SendFakeDeviceEventDataForTesting(type);
}
}
void RendererBlinkPlatformImpl::SendFakeDeviceEventDataForTesting(
blink::WebPlatformEventType type) {
PlatformEventObserverBase* observer = platform_event_observers_.Lookup(type);
CHECK(observer);
void* data = 0;
switch (type) {
case blink::WebPlatformEventDeviceMotion:
if (!(g_test_device_motion_data == 0))
data = &g_test_device_motion_data.Get();
break;
case blink::WebPlatformEventDeviceOrientation:
if (!(g_test_device_orientation_data == 0))
data = &g_test_device_orientation_data.Get();
break;
case blink::WebPlatformEventDeviceLight:
if (g_test_device_light_data >= 0)
data = &g_test_device_light_data;
break;
default:
NOTREACHED();
break;
}
if (!data)
return;
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(&PlatformEventObserverBase::SendFakeDataForTesting,
base::Unretained(observer), data));
}
void RendererBlinkPlatformImpl::stopListening(
blink::WebPlatformEventType type) {
if (type == blink::WebPlatformEventBattery) {
g_test_battery_status_listener = nullptr;
battery_status_dispatcher_.reset();
return;
}
PlatformEventObserverBase* observer = platform_event_observers_.Lookup(type);
if (!observer)
return;
observer->Stop();
}
//------------------------------------------------------------------------------
void RendererBlinkPlatformImpl::queryStorageUsageAndQuota(
const blink::WebURL& storage_partition,
blink::WebStorageQuotaType type,
blink::WebStorageQuotaCallbacks callbacks) {
if (!thread_safe_sender_.get() || !quota_message_filter_.get())
return;
QuotaDispatcher::ThreadSpecificInstance(thread_safe_sender_.get(),
quota_message_filter_.get())
->QueryStorageUsageAndQuota(
storage_partition,
static_cast<storage::StorageType>(type),
QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(callbacks));
}
//------------------------------------------------------------------------------
void RendererBlinkPlatformImpl::MockBatteryStatusChangedForTesting(
const blink::WebBatteryStatus& status) {
if (!g_test_battery_status_listener)
return;
g_test_battery_status_listener->updateBatteryStatus(status);
}
} // namespace content
|