Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM TrackEvent.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "AtomList.h"
4 : #include "EventBinding.h"
5 : #include "TrackEventBinding.h"
6 : #include "WrapperFactory.h"
7 : #include "mozilla/OwningNonNull.h"
8 : #include "mozilla/dom/AudioTrack.h"
9 : #include "mozilla/dom/BindingUtils.h"
10 : #include "mozilla/dom/DOMJSClass.h"
11 : #include "mozilla/dom/NonRefcountedDOMObject.h"
12 : #include "mozilla/dom/Nullable.h"
13 : #include "mozilla/dom/PrimitiveConversions.h"
14 : #include "mozilla/dom/ScriptSettings.h"
15 : #include "mozilla/dom/TextTrack.h"
16 : #include "mozilla/dom/TrackEvent.h"
17 : #include "mozilla/dom/UnionConversions.h"
18 : #include "mozilla/dom/VideoTrack.h"
19 : #include "mozilla/dom/XrayExpandoClass.h"
20 :
21 : namespace mozilla {
22 : namespace dom {
23 :
24 : void
25 0 : ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& aCallback, OwningVideoTrackOrAudioTrackOrTextTrack& aUnion, const char* aName, uint32_t aFlags)
26 : {
27 0 : if (aUnion.IsVideoTrack()) {
28 0 : ImplCycleCollectionTraverse(aCallback, aUnion.GetAsVideoTrack(), "mVideoTrack", aFlags);
29 0 : } else if (aUnion.IsAudioTrack()) {
30 0 : ImplCycleCollectionTraverse(aCallback, aUnion.GetAsAudioTrack(), "mAudioTrack", aFlags);
31 0 : } else if (aUnion.IsTextTrack()) {
32 0 : ImplCycleCollectionTraverse(aCallback, aUnion.GetAsTextTrack(), "mTextTrack", aFlags);
33 : }
34 0 : }
35 :
36 :
37 : void
38 0 : ImplCycleCollectionUnlink(OwningVideoTrackOrAudioTrackOrTextTrack& aUnion)
39 : {
40 0 : aUnion.Uninit();
41 0 : }
42 :
43 :
44 : bool
45 0 : VideoTrackOrAudioTrackOrTextTrack::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
46 : {
47 0 : switch (mType) {
48 : case eUninitialized: {
49 0 : return false;
50 : break;
51 : }
52 : case eVideoTrack: {
53 0 : if (!GetOrCreateDOMReflector(cx, mValue.mVideoTrack.Value(), rval)) {
54 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
55 0 : return false;
56 : }
57 0 : return true;
58 : break;
59 : }
60 : case eAudioTrack: {
61 0 : if (!GetOrCreateDOMReflector(cx, mValue.mAudioTrack.Value(), rval)) {
62 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
63 0 : return false;
64 : }
65 0 : return true;
66 : break;
67 : }
68 : case eTextTrack: {
69 0 : if (!GetOrCreateDOMReflector(cx, mValue.mTextTrack.Value(), rval)) {
70 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
71 0 : return false;
72 : }
73 0 : return true;
74 : break;
75 : }
76 : default: {
77 0 : return false;
78 : break;
79 : }
80 : }
81 :
82 : return false;
83 : }
84 :
85 :
86 : OwningNonNull<mozilla::dom::VideoTrack>&
87 0 : OwningVideoTrackOrAudioTrackOrTextTrack::RawSetAsVideoTrack()
88 : {
89 0 : if (mType == eVideoTrack) {
90 0 : return mValue.mVideoTrack.Value();
91 : }
92 0 : MOZ_ASSERT(mType == eUninitialized);
93 0 : mType = eVideoTrack;
94 0 : return mValue.mVideoTrack.SetValue();
95 : }
96 :
97 : OwningNonNull<mozilla::dom::VideoTrack>&
98 0 : OwningVideoTrackOrAudioTrackOrTextTrack::SetAsVideoTrack()
99 : {
100 0 : if (mType == eVideoTrack) {
101 0 : return mValue.mVideoTrack.Value();
102 : }
103 0 : Uninit();
104 0 : mType = eVideoTrack;
105 0 : return mValue.mVideoTrack.SetValue();
106 : }
107 :
108 : bool
109 0 : OwningVideoTrackOrAudioTrackOrTextTrack::TrySetToVideoTrack(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
110 : {
111 0 : tryNext = false;
112 : { // scope for memberSlot
113 0 : OwningNonNull<mozilla::dom::VideoTrack>& memberSlot = RawSetAsVideoTrack();
114 : static_assert(IsRefcounted<mozilla::dom::VideoTrack>::value, "We can only store refcounted classes.");{
115 0 : nsresult rv = UnwrapObject<prototypes::id::VideoTrack, mozilla::dom::VideoTrack>(value, memberSlot);
116 0 : if (NS_FAILED(rv)) {
117 0 : DestroyVideoTrack();
118 0 : tryNext = true;
119 0 : return true;
120 : }
121 : }
122 : }
123 0 : return true;
124 : }
125 :
126 : void
127 0 : OwningVideoTrackOrAudioTrackOrTextTrack::DestroyVideoTrack()
128 : {
129 0 : MOZ_ASSERT(IsVideoTrack(), "Wrong type!");
130 0 : mValue.mVideoTrack.Destroy();
131 0 : mType = eUninitialized;
132 0 : }
133 :
134 :
135 :
136 :
137 : OwningNonNull<mozilla::dom::AudioTrack>&
138 0 : OwningVideoTrackOrAudioTrackOrTextTrack::RawSetAsAudioTrack()
139 : {
140 0 : if (mType == eAudioTrack) {
141 0 : return mValue.mAudioTrack.Value();
142 : }
143 0 : MOZ_ASSERT(mType == eUninitialized);
144 0 : mType = eAudioTrack;
145 0 : return mValue.mAudioTrack.SetValue();
146 : }
147 :
148 : OwningNonNull<mozilla::dom::AudioTrack>&
149 0 : OwningVideoTrackOrAudioTrackOrTextTrack::SetAsAudioTrack()
150 : {
151 0 : if (mType == eAudioTrack) {
152 0 : return mValue.mAudioTrack.Value();
153 : }
154 0 : Uninit();
155 0 : mType = eAudioTrack;
156 0 : return mValue.mAudioTrack.SetValue();
157 : }
158 :
159 : bool
160 0 : OwningVideoTrackOrAudioTrackOrTextTrack::TrySetToAudioTrack(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
161 : {
162 0 : tryNext = false;
163 : { // scope for memberSlot
164 0 : OwningNonNull<mozilla::dom::AudioTrack>& memberSlot = RawSetAsAudioTrack();
165 : static_assert(IsRefcounted<mozilla::dom::AudioTrack>::value, "We can only store refcounted classes.");{
166 0 : nsresult rv = UnwrapObject<prototypes::id::AudioTrack, mozilla::dom::AudioTrack>(value, memberSlot);
167 0 : if (NS_FAILED(rv)) {
168 0 : DestroyAudioTrack();
169 0 : tryNext = true;
170 0 : return true;
171 : }
172 : }
173 : }
174 0 : return true;
175 : }
176 :
177 : void
178 0 : OwningVideoTrackOrAudioTrackOrTextTrack::DestroyAudioTrack()
179 : {
180 0 : MOZ_ASSERT(IsAudioTrack(), "Wrong type!");
181 0 : mValue.mAudioTrack.Destroy();
182 0 : mType = eUninitialized;
183 0 : }
184 :
185 :
186 :
187 :
188 : OwningNonNull<mozilla::dom::TextTrack>&
189 0 : OwningVideoTrackOrAudioTrackOrTextTrack::RawSetAsTextTrack()
190 : {
191 0 : if (mType == eTextTrack) {
192 0 : return mValue.mTextTrack.Value();
193 : }
194 0 : MOZ_ASSERT(mType == eUninitialized);
195 0 : mType = eTextTrack;
196 0 : return mValue.mTextTrack.SetValue();
197 : }
198 :
199 : OwningNonNull<mozilla::dom::TextTrack>&
200 0 : OwningVideoTrackOrAudioTrackOrTextTrack::SetAsTextTrack()
201 : {
202 0 : if (mType == eTextTrack) {
203 0 : return mValue.mTextTrack.Value();
204 : }
205 0 : Uninit();
206 0 : mType = eTextTrack;
207 0 : return mValue.mTextTrack.SetValue();
208 : }
209 :
210 : bool
211 0 : OwningVideoTrackOrAudioTrackOrTextTrack::TrySetToTextTrack(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
212 : {
213 0 : tryNext = false;
214 : { // scope for memberSlot
215 0 : OwningNonNull<mozilla::dom::TextTrack>& memberSlot = RawSetAsTextTrack();
216 : static_assert(IsRefcounted<mozilla::dom::TextTrack>::value, "We can only store refcounted classes.");{
217 0 : nsresult rv = UnwrapObject<prototypes::id::TextTrack, mozilla::dom::TextTrack>(value, memberSlot);
218 0 : if (NS_FAILED(rv)) {
219 0 : DestroyTextTrack();
220 0 : tryNext = true;
221 0 : return true;
222 : }
223 : }
224 : }
225 0 : return true;
226 : }
227 :
228 : void
229 0 : OwningVideoTrackOrAudioTrackOrTextTrack::DestroyTextTrack()
230 : {
231 0 : MOZ_ASSERT(IsTextTrack(), "Wrong type!");
232 0 : mValue.mTextTrack.Destroy();
233 0 : mType = eUninitialized;
234 0 : }
235 :
236 :
237 :
238 :
239 : void
240 0 : OwningVideoTrackOrAudioTrackOrTextTrack::Uninit()
241 : {
242 0 : switch (mType) {
243 : case eUninitialized: {
244 0 : break;
245 : }
246 : case eVideoTrack: {
247 0 : DestroyVideoTrack();
248 0 : break;
249 : }
250 : case eAudioTrack: {
251 0 : DestroyAudioTrack();
252 0 : break;
253 : }
254 : case eTextTrack: {
255 0 : DestroyTextTrack();
256 0 : break;
257 : }
258 : }
259 0 : }
260 :
261 : bool
262 0 : OwningVideoTrackOrAudioTrackOrTextTrack::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
263 : {
264 0 : switch (mType) {
265 : case eUninitialized: {
266 0 : return false;
267 : break;
268 : }
269 : case eVideoTrack: {
270 0 : if (!GetOrCreateDOMReflector(cx, mValue.mVideoTrack.Value(), rval)) {
271 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
272 0 : return false;
273 : }
274 0 : return true;
275 : break;
276 : }
277 : case eAudioTrack: {
278 0 : if (!GetOrCreateDOMReflector(cx, mValue.mAudioTrack.Value(), rval)) {
279 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
280 0 : return false;
281 : }
282 0 : return true;
283 : break;
284 : }
285 : case eTextTrack: {
286 0 : if (!GetOrCreateDOMReflector(cx, mValue.mTextTrack.Value(), rval)) {
287 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
288 0 : return false;
289 : }
290 0 : return true;
291 : break;
292 : }
293 : default: {
294 0 : return false;
295 : break;
296 : }
297 : }
298 :
299 : return false;
300 : }
301 :
302 : void
303 0 : OwningVideoTrackOrAudioTrackOrTextTrack::TraceUnion(JSTracer* trc)
304 : {
305 0 : }
306 :
307 : OwningVideoTrackOrAudioTrackOrTextTrack&
308 0 : OwningVideoTrackOrAudioTrackOrTextTrack::operator=(const OwningVideoTrackOrAudioTrackOrTextTrack& aOther)
309 : {
310 0 : switch (aOther.mType) {
311 : case eUninitialized: {
312 0 : MOZ_ASSERT(mType == eUninitialized,
313 : "We need to destroy ourselves?");
314 0 : break;
315 : }
316 : case eVideoTrack: {
317 0 : SetAsVideoTrack() = aOther.GetAsVideoTrack();
318 0 : break;
319 : }
320 : case eAudioTrack: {
321 0 : SetAsAudioTrack() = aOther.GetAsAudioTrack();
322 0 : break;
323 : }
324 : case eTextTrack: {
325 0 : SetAsTextTrack() = aOther.GetAsTextTrack();
326 0 : break;
327 : }
328 : }
329 0 : return *this;
330 : }
331 :
332 :
333 :
334 0 : TrackEventInit::TrackEventInit()
335 0 : : EventInit(FastDictionaryInitializer())
336 : {
337 : // Safe to pass a null context if we pass a null value
338 0 : Init(nullptr, JS::NullHandleValue);
339 0 : }
340 :
341 :
342 :
343 : bool
344 0 : TrackEventInit::InitIds(JSContext* cx, TrackEventInitAtoms* atomsCache)
345 : {
346 0 : MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
347 :
348 : // Initialize these in reverse order so that any failure leaves the first one
349 : // uninitialized.
350 0 : if (!atomsCache->track_id.init(cx, "track")) {
351 0 : return false;
352 : }
353 0 : return true;
354 : }
355 :
356 : bool
357 0 : TrackEventInit::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
358 : {
359 : // Passing a null JSContext is OK only if we're initing from null,
360 : // Since in that case we will not have to do any property gets
361 : // Also evaluate isNullOrUndefined in order to avoid false-positive
362 : // checkers by static analysis tools
363 0 : MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
364 0 : TrackEventInitAtoms* atomsCache = nullptr;
365 0 : if (cx) {
366 0 : atomsCache = GetAtomCache<TrackEventInitAtoms>(cx);
367 0 : if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
368 0 : return false;
369 : }
370 : }
371 :
372 : // Per spec, we init the parent's members first
373 0 : if (!EventInit::Init(cx, val)) {
374 0 : return false;
375 : }
376 :
377 0 : bool isNull = val.isNullOrUndefined();
378 : // We only need these if !isNull, in which case we have |cx|.
379 0 : Maybe<JS::Rooted<JSObject *> > object;
380 0 : Maybe<JS::Rooted<JS::Value> > temp;
381 0 : if (!isNull) {
382 0 : MOZ_ASSERT(cx);
383 0 : object.emplace(cx, &val.toObject());
384 0 : temp.emplace(cx);
385 : }
386 0 : if (!isNull) {
387 0 : if (!JS_GetPropertyById(cx, *object, atomsCache->track_id, temp.ptr())) {
388 0 : return false;
389 : }
390 : }
391 0 : if (!(!isNull && !temp->isUndefined()) || temp.ref().isNullOrUndefined()) {
392 0 : mTrack.SetNull();
393 : } else {
394 : {
395 0 : bool done = false, failed = false, tryNext;
396 0 : if (temp.ref().isObject()) {
397 0 : done = (failed = !mTrack.SetValue().TrySetToVideoTrack(cx, temp.ref(), tryNext, passedToJSImpl)) || !tryNext ||
398 0 : (failed = !mTrack.SetValue().TrySetToAudioTrack(cx, temp.ref(), tryNext, passedToJSImpl)) || !tryNext ||
399 0 : (failed = !mTrack.SetValue().TrySetToTextTrack(cx, temp.ref(), tryNext, passedToJSImpl)) || !tryNext;
400 :
401 : }
402 0 : if (failed) {
403 0 : return false;
404 : }
405 0 : if (!done) {
406 0 : ThrowErrorMessage(cx, MSG_NOT_IN_UNION, "'track' member of TrackEventInit", "VideoTrack, AudioTrack, TextTrack");
407 0 : return false;
408 : }
409 : }
410 : }
411 0 : mIsAnyMemberPresent = true;
412 0 : return true;
413 : }
414 :
415 : bool
416 0 : TrackEventInit::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
417 : {
418 0 : TrackEventInitAtoms* atomsCache = GetAtomCache<TrackEventInitAtoms>(cx);
419 0 : if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
420 0 : return false;
421 : }
422 :
423 : // Per spec, we define the parent's members first
424 0 : if (!EventInit::ToObjectInternal(cx, rval)) {
425 0 : return false;
426 : }
427 0 : JS::Rooted<JSObject*> obj(cx, &rval.toObject());
428 :
429 : do {
430 : // block for our 'break' successCode and scope for 'temp' and 'currentValue'
431 0 : JS::Rooted<JS::Value> temp(cx);
432 0 : Nullable<OwningVideoTrackOrAudioTrackOrTextTrack > const & currentValue = mTrack;
433 0 : if (currentValue.IsNull()) {
434 0 : temp.setNull();
435 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->track_id, temp, JSPROP_ENUMERATE)) {
436 0 : return false;
437 : }
438 0 : break;
439 : }
440 0 : if (!currentValue.Value().ToJSVal(cx, obj, &temp)) {
441 0 : return false;
442 : }
443 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->track_id, temp, JSPROP_ENUMERATE)) {
444 0 : return false;
445 : }
446 0 : break;
447 : } while(0);
448 :
449 0 : return true;
450 : }
451 :
452 : void
453 0 : TrackEventInit::TraceDictionary(JSTracer* trc)
454 : {
455 0 : EventInit::TraceDictionary(trc);
456 0 : }
457 :
458 : TrackEventInit&
459 0 : TrackEventInit::operator=(const TrackEventInit& aOther)
460 : {
461 0 : EventInit::operator=(aOther);
462 0 : mTrack = aOther.mTrack;
463 0 : return *this;
464 : }
465 :
466 : namespace binding_detail {
467 : } // namespace binding_detail
468 :
469 :
470 : namespace TrackEventBinding {
471 :
472 : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<EventBinding::NativeType>::value,
473 : "Can't inherit from an interface with a different ownership model.");
474 :
475 : static bool
476 0 : get_track(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::TrackEvent* self, JSJitGetterCallArgs args)
477 : {
478 0 : Nullable<OwningVideoTrackOrAudioTrackOrTextTrack> result;
479 0 : self->GetTrack(result);
480 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
481 0 : if (result.IsNull()) {
482 0 : args.rval().setNull();
483 0 : return true;
484 : }
485 0 : if (!result.Value().ToJSVal(cx, obj, args.rval())) {
486 0 : return false;
487 : }
488 0 : return true;
489 : }
490 :
491 : static const JSJitInfo track_getterinfo = {
492 : { (JSJitGetterOp)get_track },
493 : { prototypes::id::TrackEvent },
494 : { PrototypeTraits<prototypes::id::TrackEvent>::Depth },
495 : JSJitInfo::Getter,
496 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
497 : JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */
498 : false, /* isInfallible. False in setters. */
499 : false, /* isMovable. Not relevant for setters. */
500 : false, /* isEliminatable. Not relevant for setters. */
501 : false, /* isAlwaysInSlot. Only relevant for getters. */
502 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
503 : false, /* isTypedMethod. Only relevant for methods. */
504 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
505 : };
506 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
507 : static_assert(0 < 1, "There is no slot for us");
508 :
509 : static bool
510 0 : get_isTrusted(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::TrackEvent* self, JSJitGetterCallArgs args)
511 : {
512 0 : bool result(self->IsTrusted());
513 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
514 0 : args.rval().setBoolean(result);
515 0 : return true;
516 : }
517 :
518 : static const JSJitInfo isTrusted_getterinfo = {
519 : { (JSJitGetterOp)get_isTrusted },
520 : { prototypes::id::TrackEvent },
521 : { PrototypeTraits<prototypes::id::TrackEvent>::Depth },
522 : JSJitInfo::Getter,
523 : JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */
524 : JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */
525 : true, /* isInfallible. False in setters. */
526 : true, /* isMovable. Not relevant for setters. */
527 : true, /* isEliminatable. Not relevant for setters. */
528 : false, /* isAlwaysInSlot. Only relevant for getters. */
529 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
530 : false, /* isTypedMethod. Only relevant for methods. */
531 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
532 : };
533 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
534 : static_assert(0 < 1, "There is no slot for us");
535 :
536 : static bool
537 0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
538 : {
539 0 : mozilla::dom::TrackEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::TrackEvent>(obj);
540 : // We don't want to preserve if we don't have a wrapper, and we
541 : // obviously can't preserve if we're not initialized.
542 0 : if (self && self->GetWrapperPreserveColor()) {
543 0 : PreserveWrapper(self);
544 : }
545 0 : return true;
546 : }
547 :
548 : static void
549 0 : _finalize(js::FreeOp* fop, JSObject* obj)
550 : {
551 0 : mozilla::dom::TrackEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::TrackEvent>(obj);
552 0 : if (self) {
553 0 : ClearWrapper(self, self, obj);
554 0 : AddForDeferredFinalization<mozilla::dom::TrackEvent>(self);
555 : }
556 0 : }
557 :
558 : static void
559 0 : _objectMoved(JSObject* obj, const JSObject* old)
560 : {
561 0 : mozilla::dom::TrackEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::TrackEvent>(obj);
562 0 : if (self) {
563 0 : UpdateWrapper(self, self, obj, old);
564 : }
565 0 : }
566 :
567 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
568 : #if defined(__clang__)
569 : #pragma clang diagnostic push
570 : #pragma clang diagnostic ignored "-Wmissing-braces"
571 : #endif
572 : static const JSPropertySpec sAttributes_specs[] = {
573 : { "track", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &track_getterinfo, nullptr, nullptr },
574 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
575 : };
576 : #if defined(__clang__)
577 : #pragma clang diagnostic pop
578 : #endif
579 :
580 :
581 : // Can't be const because the pref-enabled boolean needs to be writable
582 : static Prefable<const JSPropertySpec> sAttributes[] = {
583 : { nullptr, &sAttributes_specs[0] },
584 : { nullptr, nullptr }
585 : };
586 :
587 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
588 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
589 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
590 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
591 :
592 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
593 : #if defined(__clang__)
594 : #pragma clang diagnostic push
595 : #pragma clang diagnostic ignored "-Wmissing-braces"
596 : #endif
597 : static const JSPropertySpec sUnforgeableAttributes_specs[] = {
598 : { "isTrusted", JSPROP_SHARED | JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericBindingGetter, &isTrusted_getterinfo, nullptr, nullptr },
599 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
600 : };
601 : #if defined(__clang__)
602 : #pragma clang diagnostic pop
603 : #endif
604 :
605 :
606 : // Can't be const because the pref-enabled boolean needs to be writable
607 : static Prefable<const JSPropertySpec> sUnforgeableAttributes[] = {
608 : { nullptr, &sUnforgeableAttributes_specs[0] },
609 : { nullptr, nullptr }
610 : };
611 :
612 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
613 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
614 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
615 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
616 :
617 :
618 : static uint16_t sNativeProperties_sortedPropertyIndices[2];
619 : static PropertyInfo sNativeProperties_propertyInfos[2];
620 :
621 : static const NativePropertiesN<2> sNativeProperties = {
622 : false, 0,
623 : false, 0,
624 : false, 0,
625 : true, 0 /* sAttributes */,
626 : false, 0,
627 : true, 1 /* sUnforgeableAttributes */,
628 : false, 0,
629 : -1,
630 : 2,
631 : sNativeProperties_sortedPropertyIndices,
632 : {
633 : { sAttributes, &sNativeProperties_propertyInfos[0] },
634 : { sUnforgeableAttributes, &sNativeProperties_propertyInfos[1] }
635 : }
636 : };
637 : static_assert(2 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
638 : "We have a property info count that is oversized");
639 :
640 : static bool
641 0 : _constructor(JSContext* cx, unsigned argc, JS::Value* vp)
642 : {
643 0 : JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
644 0 : JS::Rooted<JSObject*> obj(cx, &args.callee());
645 0 : if (!args.isConstructing()) {
646 : // XXXbz wish I could get the name from the callee instead of
647 : // Adding more relocations
648 0 : return ThrowConstructorWithoutNew(cx, "TrackEvent");
649 : }
650 :
651 0 : GlobalObject global(cx, obj);
652 0 : if (global.Failed()) {
653 0 : return false;
654 : }
655 :
656 0 : JS::Rooted<JSObject*> desiredProto(cx);
657 0 : if (!GetDesiredProto(cx, args, &desiredProto)) {
658 0 : return false;
659 : }
660 :
661 0 : if (MOZ_UNLIKELY(args.length() < 1)) {
662 0 : return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "TrackEvent");
663 : }
664 0 : bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
665 0 : binding_detail::FakeString arg0;
666 0 : if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
667 0 : return false;
668 : }
669 0 : binding_detail::FastTrackEventInit arg1;
670 0 : if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue, "Argument 2 of TrackEvent.constructor", false)) {
671 0 : return false;
672 : }
673 0 : Maybe<JSAutoCompartment> ac;
674 0 : if (objIsXray) {
675 0 : obj = js::CheckedUnwrap(obj);
676 0 : if (!obj) {
677 0 : return false;
678 : }
679 0 : ac.emplace(cx, obj);
680 0 : if (!JS_WrapObject(cx, &desiredProto)) {
681 0 : return false;
682 : }
683 : }
684 0 : binding_detail::FastErrorResult rv;
685 0 : auto result(StrongOrRawPtr<mozilla::dom::TrackEvent>(mozilla::dom::TrackEvent::Constructor(global, NonNullHelper(Constify(arg0)), Constify(arg1), rv)));
686 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
687 0 : return false;
688 : }
689 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
690 : static_assert(!IsPointer<decltype(result)>::value,
691 : "NewObject implies that we need to keep the object alive with a strong reference.");
692 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
693 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
694 0 : return false;
695 : }
696 0 : return true;
697 : }
698 :
699 : static const js::ClassOps sInterfaceObjectClassOps = {
700 : nullptr, /* addProperty */
701 : nullptr, /* delProperty */
702 : nullptr, /* getProperty */
703 : nullptr, /* setProperty */
704 : nullptr, /* enumerate */
705 : nullptr, /* newEnumerate */
706 : nullptr, /* resolve */
707 : nullptr, /* mayResolve */
708 : nullptr, /* finalize */
709 : _constructor, /* call */
710 : nullptr, /* hasInstance */
711 : _constructor, /* construct */
712 : nullptr, /* trace */
713 : };
714 :
715 : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
716 : {
717 : "Function",
718 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
719 : &sInterfaceObjectClassOps,
720 : JS_NULL_CLASS_SPEC,
721 : JS_NULL_CLASS_EXT,
722 : &sInterfaceObjectClassObjectOps
723 : },
724 : eInterface,
725 : true,
726 : prototypes::id::TrackEvent,
727 : PrototypeTraits<prototypes::id::TrackEvent>::Depth,
728 : sNativePropertyHooks,
729 : "function TrackEvent() {\n [native code]\n}",
730 : EventBinding::GetConstructorObject
731 : };
732 :
733 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
734 : {
735 : "TrackEventPrototype",
736 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */),
737 : JS_NULL_CLASS_OPS,
738 : JS_NULL_CLASS_SPEC,
739 : JS_NULL_CLASS_EXT,
740 : JS_NULL_OBJECT_OPS
741 : },
742 : eInterfacePrototype,
743 : false,
744 : prototypes::id::TrackEvent,
745 : PrototypeTraits<prototypes::id::TrackEvent>::Depth,
746 : sNativePropertyHooks,
747 : "[object TrackEventPrototype]",
748 : EventBinding::GetProtoObject
749 : };
750 :
751 : JSObject*
752 0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
753 : {
754 0 : return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
755 : }
756 :
757 : static const js::ClassOps sClassOps = {
758 : _addProperty, /* addProperty */
759 : nullptr, /* delProperty */
760 : nullptr, /* getProperty */
761 : nullptr, /* setProperty */
762 : nullptr, /* enumerate */
763 : nullptr, /* newEnumerate */
764 : nullptr, /* resolve */
765 : nullptr, /* mayResolve */
766 : _finalize, /* finalize */
767 : nullptr, /* call */
768 : nullptr, /* hasInstance */
769 : nullptr, /* construct */
770 : nullptr, /* trace */
771 : };
772 :
773 : static const js::ClassExtension sClassExtension = {
774 : nullptr, /* weakmapKeyDelegateOp */
775 : _objectMoved /* objectMovedOp */
776 : };
777 :
778 : static const DOMJSClass sClass = {
779 : { "TrackEvent",
780 : JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE,
781 : &sClassOps,
782 : JS_NULL_CLASS_SPEC,
783 : &sClassExtension,
784 : JS_NULL_OBJECT_OPS
785 : },
786 : { prototypes::id::Event, prototypes::id::TrackEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
787 : IsBaseOf<nsISupports, mozilla::dom::TrackEvent >::value,
788 : sNativePropertyHooks,
789 : FindAssociatedGlobalForNative<mozilla::dom::TrackEvent>::Get,
790 : GetProtoObjectHandle,
791 : GetCCParticipant<mozilla::dom::TrackEvent>::Get()
792 : };
793 : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
794 : "Must have the right minimal number of reserved slots.");
795 : static_assert(1 >= 1,
796 : "Must have enough reserved slots.");
797 :
798 : const JSClass*
799 0 : GetJSClass()
800 : {
801 0 : return sClass.ToJSClass();
802 : }
803 :
804 : bool
805 0 : Wrap(JSContext* aCx, mozilla::dom::TrackEvent* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
806 : {
807 : MOZ_ASSERT(static_cast<mozilla::dom::TrackEvent*>(aObject) ==
808 : reinterpret_cast<mozilla::dom::TrackEvent*>(aObject),
809 : "Multiple inheritance for mozilla::dom::TrackEvent is broken.");
810 : MOZ_ASSERT(static_cast<mozilla::dom::Event*>(aObject) ==
811 : reinterpret_cast<mozilla::dom::Event*>(aObject),
812 : "Multiple inheritance for mozilla::dom::Event is broken.");
813 0 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
814 0 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
815 0 : MOZ_ASSERT(!aCache->GetWrapper(),
816 : "You should probably not be using Wrap() directly; use "
817 : "GetOrCreateDOMReflector instead");
818 :
819 0 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
820 : "nsISupports must be on our primary inheritance chain");
821 :
822 0 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
823 0 : if (!global) {
824 0 : return false;
825 : }
826 0 : MOZ_ASSERT(JS_IsGlobalObject(global));
827 0 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
828 :
829 : // That might have ended up wrapping us already, due to the wonders
830 : // of XBL. Check for that, and bail out as needed.
831 0 : aReflector.set(aCache->GetWrapper());
832 0 : if (aReflector) {
833 : #ifdef DEBUG
834 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
835 : #endif // DEBUG
836 0 : return true;
837 : }
838 :
839 0 : JSAutoCompartment ac(aCx, global);
840 0 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
841 0 : if (!canonicalProto) {
842 0 : return false;
843 : }
844 0 : JS::Rooted<JSObject*> proto(aCx);
845 0 : if (aGivenProto) {
846 0 : proto = aGivenProto;
847 : // Unfortunately, while aGivenProto was in the compartment of aCx
848 : // coming in, we changed compartments to that of "parent" so may need
849 : // to wrap the proto here.
850 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
851 0 : if (!JS_WrapObject(aCx, &proto)) {
852 0 : return false;
853 : }
854 : }
855 : } else {
856 0 : proto = canonicalProto;
857 : }
858 :
859 0 : BindingJSObjectCreator<mozilla::dom::TrackEvent> creator(aCx);
860 0 : creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
861 0 : if (!aReflector) {
862 0 : return false;
863 : }
864 :
865 0 : aCache->SetWrapper(aReflector);
866 :
867 : // Important: do unforgeable property setup after we have handed
868 : // over ownership of the C++ object to obj as needed, so that if
869 : // we fail and it ends up GCed it won't have problems in the
870 : // finalizer trying to drop its ownership of the C++ object.
871 : JS::Rooted<JSObject*> unforgeableHolder(aCx,
872 0 : &js::GetReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
873 0 : if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
874 0 : aCache->ReleaseWrapper(aObject);
875 0 : aCache->ClearWrapper();
876 0 : return false;
877 : }
878 0 : creator.InitializationSucceeded();
879 :
880 0 : MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
881 : aCache->GetWrapperPreserveColor() == aReflector);
882 : // If proto != canonicalProto, we have to preserve our wrapper;
883 : // otherwise we won't be able to properly recreate it later, since
884 : // we won't know what proto to use. Note that we don't check
885 : // aGivenProto here, since it's entirely possible (and even
886 : // somewhat common) to have a non-null aGivenProto which is the
887 : // same as canonicalProto.
888 0 : if (proto != canonicalProto) {
889 0 : PreserveWrapper(aObject);
890 : }
891 :
892 0 : return true;
893 : }
894 :
895 : const NativePropertyHooks sNativePropertyHooks[] = { {
896 : nullptr,
897 : nullptr,
898 : nullptr,
899 : { sNativeProperties.Upcast(), nullptr },
900 : prototypes::id::TrackEvent,
901 : constructors::id::TrackEvent,
902 : EventBinding::sNativePropertyHooks,
903 : &DefaultXrayExpandoObjectClass
904 : } };
905 :
906 : void
907 0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
908 : {
909 0 : JS::Handle<JSObject*> parentProto(EventBinding::GetProtoObjectHandle(aCx));
910 0 : if (!parentProto) {
911 0 : return;
912 : }
913 :
914 0 : JS::Handle<JSObject*> constructorProto(EventBinding::GetConstructorObjectHandle(aCx));
915 0 : if (!constructorProto) {
916 0 : return;
917 : }
918 :
919 : static bool sIdsInited = false;
920 0 : if (!sIdsInited && NS_IsMainThread()) {
921 0 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
922 0 : return;
923 : }
924 0 : sIdsInited = true;
925 : }
926 :
927 0 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::TrackEvent);
928 0 : JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::TrackEvent);
929 0 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
930 : &sPrototypeClass.mBase, protoCache,
931 : constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr,
932 : interfaceCache,
933 : sNativeProperties.Upcast(),
934 : nullptr,
935 : "TrackEvent", aDefineOnGlobal,
936 : nullptr,
937 0 : false);
938 :
939 0 : JS::Rooted<JSObject*> unforgeableHolder(aCx);
940 : {
941 0 : JS::Rooted<JSObject*> holderProto(aCx, *protoCache);
942 0 : unforgeableHolder = JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), holderProto);
943 0 : if (!unforgeableHolder) {
944 0 : *protoCache = nullptr;
945 0 : if (interfaceCache) {
946 0 : *interfaceCache = nullptr;
947 : }
948 0 : return;
949 : }
950 : }
951 :
952 0 : if (!DefineUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) {
953 0 : *protoCache = nullptr;
954 0 : if (interfaceCache) {
955 0 : *interfaceCache = nullptr;
956 : }
957 0 : return;
958 : }
959 :
960 0 : if (*protoCache) {
961 0 : js::SetReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE,
962 0 : JS::ObjectValue(*unforgeableHolder));
963 : }
964 : }
965 :
966 : JS::Handle<JSObject*>
967 0 : GetProtoObjectHandle(JSContext* aCx)
968 : {
969 : /* Get the interface prototype object for this class. This will create the
970 : object as needed. */
971 0 : bool aDefineOnGlobal = true;
972 :
973 : /* Make sure our global is sane. Hopefully we can remove this sometime */
974 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
975 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
976 0 : return nullptr;
977 : }
978 :
979 : /* Check to see whether the interface objects are already installed */
980 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
981 0 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::TrackEvent)) {
982 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
983 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
984 : }
985 :
986 : /*
987 : * The object might _still_ be null, but that's OK.
988 : *
989 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
990 : * traced by TraceProtoAndIfaceCache() and its contents are never
991 : * changed after they have been set.
992 : *
993 : * Calling address() avoids the read read barrier that does gray
994 : * unmarking, but it's not possible for the object to be gray here.
995 : */
996 :
997 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::TrackEvent);
998 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
999 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
1000 : }
1001 :
1002 : JS::Handle<JSObject*>
1003 0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
1004 : {
1005 : /* Get the interface object for this class. This will create the object as
1006 : needed. */
1007 :
1008 : /* Make sure our global is sane. Hopefully we can remove this sometime */
1009 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
1010 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
1011 0 : return nullptr;
1012 : }
1013 :
1014 : /* Check to see whether the interface objects are already installed */
1015 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
1016 0 : if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::TrackEvent)) {
1017 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
1018 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
1019 : }
1020 :
1021 : /*
1022 : * The object might _still_ be null, but that's OK.
1023 : *
1024 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
1025 : * traced by TraceProtoAndIfaceCache() and its contents are never
1026 : * changed after they have been set.
1027 : *
1028 : * Calling address() avoids the read read barrier that does gray
1029 : * unmarking, but it's not possible for the object to be gray here.
1030 : */
1031 :
1032 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::TrackEvent);
1033 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
1034 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
1035 : }
1036 :
1037 : JSObject*
1038 0 : GetConstructorObject(JSContext* aCx)
1039 : {
1040 0 : return GetConstructorObjectHandle(aCx);
1041 : }
1042 :
1043 : } // namespace TrackEventBinding
1044 :
1045 :
1046 :
1047 : } // namespace dom
1048 : } // namespace mozilla
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