Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM ImageCapture.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "EventHandlerBinding.h"
4 : #include "EventTargetBinding.h"
5 : #include "ImageCaptureBinding.h"
6 : #include "WrapperFactory.h"
7 : #include "mozilla/OwningNonNull.h"
8 : #include "mozilla/Preferences.h"
9 : #include "mozilla/dom/BindingUtils.h"
10 : #include "mozilla/dom/DOMJSClass.h"
11 : #include "mozilla/dom/ImageCapture.h"
12 : #include "mozilla/dom/NonRefcountedDOMObject.h"
13 : #include "mozilla/dom/Nullable.h"
14 : #include "mozilla/dom/VideoStreamTrack.h"
15 : #include "mozilla/dom/XrayExpandoClass.h"
16 :
17 : namespace mozilla {
18 : namespace dom {
19 :
20 : namespace ImageCaptureBinding {
21 :
22 : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<EventTargetBinding::NativeType>::value,
23 : "Can't inherit from an interface with a different ownership model.");
24 :
25 : static bool
26 0 : get_videoStreamTrack(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ImageCapture* self, JSJitGetterCallArgs args)
27 : {
28 0 : auto result(StrongOrRawPtr<mozilla::dom::VideoStreamTrack>(self->GetVideoStreamTrack()));
29 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
30 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
31 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
32 0 : return false;
33 : }
34 0 : return true;
35 : }
36 :
37 : static const JSJitInfo videoStreamTrack_getterinfo = {
38 : { (JSJitGetterOp)get_videoStreamTrack },
39 : { prototypes::id::ImageCapture },
40 : { PrototypeTraits<prototypes::id::ImageCapture>::Depth },
41 : JSJitInfo::Getter,
42 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
43 : JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
44 : false, /* isInfallible. False in setters. */
45 : false, /* isMovable. Not relevant for setters. */
46 : false, /* isEliminatable. Not relevant for setters. */
47 : false, /* isAlwaysInSlot. Only relevant for getters. */
48 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
49 : false, /* isTypedMethod. Only relevant for methods. */
50 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
51 : };
52 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
53 : static_assert(0 < 1, "There is no slot for us");
54 :
55 : static bool
56 0 : get_onphoto(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ImageCapture* self, JSJitGetterCallArgs args)
57 : {
58 0 : RefPtr<EventHandlerNonNull> result(self->GetOnphoto());
59 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
60 0 : if (result) {
61 0 : args.rval().setObjectOrNull(GetCallbackFromCallbackObject(result));
62 0 : if (!MaybeWrapObjectOrNullValue(cx, args.rval())) {
63 0 : return false;
64 : }
65 0 : return true;
66 : } else {
67 0 : args.rval().setNull();
68 0 : return true;
69 : }
70 : }
71 :
72 : static bool
73 0 : set_onphoto(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ImageCapture* self, JSJitSetterCallArgs args)
74 : {
75 0 : RootedCallback<RefPtr<binding_detail::FastEventHandlerNonNull>> arg0(cx);
76 0 : if (args[0].isObject()) {
77 : { // scope for tempRoot
78 0 : JS::Rooted<JSObject*> tempRoot(cx, &args[0].toObject());
79 0 : arg0 = new binding_detail::FastEventHandlerNonNull(tempRoot);
80 : }
81 : } else {
82 0 : arg0 = nullptr;
83 : }
84 0 : self->SetOnphoto(Constify(arg0));
85 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
86 :
87 0 : return true;
88 : }
89 :
90 : static const JSJitInfo onphoto_getterinfo = {
91 : { (JSJitGetterOp)get_onphoto },
92 : { prototypes::id::ImageCapture },
93 : { PrototypeTraits<prototypes::id::ImageCapture>::Depth },
94 : JSJitInfo::Getter,
95 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
96 : JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */
97 : false, /* isInfallible. False in setters. */
98 : false, /* isMovable. Not relevant for setters. */
99 : false, /* isEliminatable. Not relevant for setters. */
100 : false, /* isAlwaysInSlot. Only relevant for getters. */
101 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
102 : false, /* isTypedMethod. Only relevant for methods. */
103 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
104 : };
105 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
106 : static_assert(0 < 1, "There is no slot for us");
107 : static const JSJitInfo onphoto_setterinfo = {
108 : { (JSJitGetterOp)set_onphoto },
109 : { prototypes::id::ImageCapture },
110 : { PrototypeTraits<prototypes::id::ImageCapture>::Depth },
111 : JSJitInfo::Setter,
112 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
113 : JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
114 : false, /* isInfallible. False in setters. */
115 : false, /* isMovable. Not relevant for setters. */
116 : false, /* isEliminatable. Not relevant for setters. */
117 : false, /* isAlwaysInSlot. Only relevant for getters. */
118 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
119 : false, /* isTypedMethod. Only relevant for methods. */
120 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
121 : };
122 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
123 : static_assert(0 < 1, "There is no slot for us");
124 :
125 : static bool
126 0 : get_onerror(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ImageCapture* self, JSJitGetterCallArgs args)
127 : {
128 0 : RefPtr<EventHandlerNonNull> result(self->GetOnerror());
129 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
130 0 : if (result) {
131 0 : args.rval().setObjectOrNull(GetCallbackFromCallbackObject(result));
132 0 : if (!MaybeWrapObjectOrNullValue(cx, args.rval())) {
133 0 : return false;
134 : }
135 0 : return true;
136 : } else {
137 0 : args.rval().setNull();
138 0 : return true;
139 : }
140 : }
141 :
142 : static bool
143 0 : set_onerror(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ImageCapture* self, JSJitSetterCallArgs args)
144 : {
145 0 : RootedCallback<RefPtr<binding_detail::FastEventHandlerNonNull>> arg0(cx);
146 0 : if (args[0].isObject()) {
147 : { // scope for tempRoot
148 0 : JS::Rooted<JSObject*> tempRoot(cx, &args[0].toObject());
149 0 : arg0 = new binding_detail::FastEventHandlerNonNull(tempRoot);
150 : }
151 : } else {
152 0 : arg0 = nullptr;
153 : }
154 0 : self->SetOnerror(Constify(arg0));
155 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
156 :
157 0 : return true;
158 : }
159 :
160 : static const JSJitInfo onerror_getterinfo = {
161 : { (JSJitGetterOp)get_onerror },
162 : { prototypes::id::ImageCapture },
163 : { PrototypeTraits<prototypes::id::ImageCapture>::Depth },
164 : JSJitInfo::Getter,
165 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
166 : JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */
167 : false, /* isInfallible. False in setters. */
168 : false, /* isMovable. Not relevant for setters. */
169 : false, /* isEliminatable. Not relevant for setters. */
170 : false, /* isAlwaysInSlot. Only relevant for getters. */
171 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
172 : false, /* isTypedMethod. Only relevant for methods. */
173 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
174 : };
175 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
176 : static_assert(0 < 1, "There is no slot for us");
177 : static const JSJitInfo onerror_setterinfo = {
178 : { (JSJitGetterOp)set_onerror },
179 : { prototypes::id::ImageCapture },
180 : { PrototypeTraits<prototypes::id::ImageCapture>::Depth },
181 : JSJitInfo::Setter,
182 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
183 : JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
184 : false, /* isInfallible. False in setters. */
185 : false, /* isMovable. Not relevant for setters. */
186 : false, /* isEliminatable. Not relevant for setters. */
187 : false, /* isAlwaysInSlot. Only relevant for getters. */
188 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
189 : false, /* isTypedMethod. Only relevant for methods. */
190 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
191 : };
192 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
193 : static_assert(0 < 1, "There is no slot for us");
194 :
195 : static bool
196 0 : takePhoto(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ImageCapture* self, const JSJitMethodCallArgs& args)
197 : {
198 0 : binding_detail::FastErrorResult rv;
199 0 : self->TakePhoto(rv);
200 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
201 0 : return false;
202 : }
203 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
204 0 : args.rval().setUndefined();
205 0 : return true;
206 : }
207 :
208 : static const JSJitInfo takePhoto_methodinfo = {
209 : { (JSJitGetterOp)takePhoto },
210 : { prototypes::id::ImageCapture },
211 : { PrototypeTraits<prototypes::id::ImageCapture>::Depth },
212 : JSJitInfo::Method,
213 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
214 : JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
215 : false, /* isInfallible. False in setters. */
216 : false, /* isMovable. Not relevant for setters. */
217 : false, /* isEliminatable. Not relevant for setters. */
218 : false, /* isAlwaysInSlot. Only relevant for getters. */
219 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
220 : false, /* isTypedMethod. Only relevant for methods. */
221 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
222 : };
223 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
224 : static_assert(0 < 1, "There is no slot for us");
225 :
226 : static bool
227 0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
228 : {
229 0 : mozilla::dom::ImageCapture* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ImageCapture>(obj);
230 : // We don't want to preserve if we don't have a wrapper, and we
231 : // obviously can't preserve if we're not initialized.
232 0 : if (self && self->GetWrapperPreserveColor()) {
233 0 : PreserveWrapper(self);
234 : }
235 0 : return true;
236 : }
237 :
238 : static void
239 0 : _finalize(js::FreeOp* fop, JSObject* obj)
240 : {
241 0 : mozilla::dom::ImageCapture* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ImageCapture>(obj);
242 0 : if (self) {
243 0 : ClearWrapper(self, self, obj);
244 0 : AddForDeferredFinalization<mozilla::dom::ImageCapture>(self);
245 : }
246 0 : }
247 :
248 : static void
249 0 : _objectMoved(JSObject* obj, const JSObject* old)
250 : {
251 0 : mozilla::dom::ImageCapture* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ImageCapture>(obj);
252 0 : if (self) {
253 0 : UpdateWrapper(self, self, obj, old);
254 : }
255 0 : }
256 :
257 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
258 : #if defined(__clang__)
259 : #pragma clang diagnostic push
260 : #pragma clang diagnostic ignored "-Wmissing-braces"
261 : #endif
262 : static const JSFunctionSpec sMethods_specs[] = {
263 : JS_FNSPEC("takePhoto", GenericBindingMethod, reinterpret_cast<const JSJitInfo*>(&takePhoto_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
264 : JS_FS_END
265 : };
266 : #if defined(__clang__)
267 : #pragma clang diagnostic pop
268 : #endif
269 :
270 :
271 : // Can't be const because the pref-enabled boolean needs to be writable
272 : static Prefable<const JSFunctionSpec> sMethods[] = {
273 : { nullptr, &sMethods_specs[0] },
274 : { nullptr, nullptr }
275 : };
276 :
277 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
278 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
279 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
280 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
281 :
282 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
283 : #if defined(__clang__)
284 : #pragma clang diagnostic push
285 : #pragma clang diagnostic ignored "-Wmissing-braces"
286 : #endif
287 : static const JSPropertySpec sAttributes_specs[] = {
288 : { "videoStreamTrack", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &videoStreamTrack_getterinfo, nullptr, nullptr },
289 : { "onphoto", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &onphoto_getterinfo, GenericBindingSetter, &onphoto_setterinfo },
290 : { "onerror", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &onerror_getterinfo, GenericBindingSetter, &onerror_setterinfo },
291 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
292 : };
293 : #if defined(__clang__)
294 : #pragma clang diagnostic pop
295 : #endif
296 :
297 :
298 : // Can't be const because the pref-enabled boolean needs to be writable
299 : static Prefable<const JSPropertySpec> sAttributes[] = {
300 : { nullptr, &sAttributes_specs[0] },
301 : { nullptr, nullptr }
302 : };
303 :
304 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
305 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
306 : static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
307 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
308 :
309 :
310 : static uint16_t sNativeProperties_sortedPropertyIndices[4];
311 : static PropertyInfo sNativeProperties_propertyInfos[4];
312 :
313 : static const NativePropertiesN<2> sNativeProperties = {
314 : false, 0,
315 : false, 0,
316 : true, 0 /* sMethods */,
317 : true, 1 /* sAttributes */,
318 : false, 0,
319 : false, 0,
320 : false, 0,
321 : -1,
322 : 4,
323 : sNativeProperties_sortedPropertyIndices,
324 : {
325 : { sMethods, &sNativeProperties_propertyInfos[0] },
326 : { sAttributes, &sNativeProperties_propertyInfos[1] }
327 : }
328 : };
329 : static_assert(4 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
330 : "We have a property info count that is oversized");
331 :
332 : static bool
333 0 : _constructor(JSContext* cx, unsigned argc, JS::Value* vp)
334 : {
335 0 : JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
336 0 : JS::Rooted<JSObject*> obj(cx, &args.callee());
337 0 : if (!args.isConstructing()) {
338 : // XXXbz wish I could get the name from the callee instead of
339 : // Adding more relocations
340 0 : return ThrowConstructorWithoutNew(cx, "ImageCapture");
341 : }
342 :
343 0 : GlobalObject global(cx, obj);
344 0 : if (global.Failed()) {
345 0 : return false;
346 : }
347 :
348 0 : JS::Rooted<JSObject*> desiredProto(cx);
349 0 : if (!GetDesiredProto(cx, args, &desiredProto)) {
350 0 : return false;
351 : }
352 :
353 0 : if (MOZ_UNLIKELY(args.length() < 1)) {
354 0 : return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "ImageCapture");
355 : }
356 0 : bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
357 0 : NonNull<mozilla::dom::VideoStreamTrack> arg0;
358 0 : if (args[0].isObject()) {
359 : {
360 0 : nsresult rv = UnwrapObject<prototypes::id::VideoStreamTrack, mozilla::dom::VideoStreamTrack>(args[0], arg0);
361 0 : if (NS_FAILED(rv)) {
362 0 : ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of ImageCapture.constructor", "VideoStreamTrack");
363 0 : return false;
364 : }
365 : }
366 : } else {
367 0 : ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of ImageCapture.constructor");
368 0 : return false;
369 : }
370 0 : Maybe<JSAutoCompartment> ac;
371 0 : if (objIsXray) {
372 0 : obj = js::CheckedUnwrap(obj);
373 0 : if (!obj) {
374 0 : return false;
375 : }
376 0 : ac.emplace(cx, obj);
377 0 : if (!JS_WrapObject(cx, &desiredProto)) {
378 0 : return false;
379 : }
380 : }
381 0 : binding_detail::FastErrorResult rv;
382 0 : auto result(StrongOrRawPtr<mozilla::dom::ImageCapture>(mozilla::dom::ImageCapture::Constructor(global, NonNullHelper(arg0), rv)));
383 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
384 0 : return false;
385 : }
386 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
387 : static_assert(!IsPointer<decltype(result)>::value,
388 : "NewObject implies that we need to keep the object alive with a strong reference.");
389 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
390 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
391 0 : return false;
392 : }
393 0 : return true;
394 : }
395 :
396 : static const js::ClassOps sInterfaceObjectClassOps = {
397 : nullptr, /* addProperty */
398 : nullptr, /* delProperty */
399 : nullptr, /* getProperty */
400 : nullptr, /* setProperty */
401 : nullptr, /* enumerate */
402 : nullptr, /* newEnumerate */
403 : nullptr, /* resolve */
404 : nullptr, /* mayResolve */
405 : nullptr, /* finalize */
406 : _constructor, /* call */
407 : nullptr, /* hasInstance */
408 : _constructor, /* construct */
409 : nullptr, /* trace */
410 : };
411 :
412 : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
413 : {
414 : "Function",
415 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
416 : &sInterfaceObjectClassOps,
417 : JS_NULL_CLASS_SPEC,
418 : JS_NULL_CLASS_EXT,
419 : &sInterfaceObjectClassObjectOps
420 : },
421 : eInterface,
422 : true,
423 : prototypes::id::ImageCapture,
424 : PrototypeTraits<prototypes::id::ImageCapture>::Depth,
425 : sNativePropertyHooks,
426 : "function ImageCapture() {\n [native code]\n}",
427 : EventTargetBinding::GetConstructorObject
428 : };
429 :
430 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
431 : {
432 : "ImageCapturePrototype",
433 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
434 : JS_NULL_CLASS_OPS,
435 : JS_NULL_CLASS_SPEC,
436 : JS_NULL_CLASS_EXT,
437 : JS_NULL_OBJECT_OPS
438 : },
439 : eInterfacePrototype,
440 : false,
441 : prototypes::id::ImageCapture,
442 : PrototypeTraits<prototypes::id::ImageCapture>::Depth,
443 : sNativePropertyHooks,
444 : "[object ImageCapturePrototype]",
445 : EventTargetBinding::GetProtoObject
446 : };
447 :
448 : bool
449 0 : ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
450 : {
451 : static bool sPrefValue;
452 : static bool sPrefCacheSetUp = false;
453 0 : if (!sPrefCacheSetUp) {
454 0 : sPrefCacheSetUp = true;
455 0 : Preferences::AddBoolVarCache(&sPrefValue, "dom.imagecapture.enabled");
456 : }
457 :
458 0 : return sPrefValue;
459 : }
460 :
461 : JSObject*
462 0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
463 : {
464 0 : return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
465 : }
466 :
467 : static const js::ClassOps sClassOps = {
468 : _addProperty, /* addProperty */
469 : nullptr, /* delProperty */
470 : nullptr, /* getProperty */
471 : nullptr, /* setProperty */
472 : nullptr, /* enumerate */
473 : nullptr, /* newEnumerate */
474 : nullptr, /* resolve */
475 : nullptr, /* mayResolve */
476 : _finalize, /* finalize */
477 : nullptr, /* call */
478 : nullptr, /* hasInstance */
479 : nullptr, /* construct */
480 : nullptr, /* trace */
481 : };
482 :
483 : static const js::ClassExtension sClassExtension = {
484 : nullptr, /* weakmapKeyDelegateOp */
485 : _objectMoved /* objectMovedOp */
486 : };
487 :
488 : static const DOMJSClass sClass = {
489 : { "ImageCapture",
490 : JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
491 : &sClassOps,
492 : JS_NULL_CLASS_SPEC,
493 : &sClassExtension,
494 : JS_NULL_OBJECT_OPS
495 : },
496 : { prototypes::id::EventTarget, prototypes::id::ImageCapture, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
497 : IsBaseOf<nsISupports, mozilla::dom::ImageCapture >::value,
498 : sNativePropertyHooks,
499 : FindAssociatedGlobalForNative<mozilla::dom::ImageCapture>::Get,
500 : GetProtoObjectHandle,
501 : GetCCParticipant<mozilla::dom::ImageCapture>::Get()
502 : };
503 : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
504 : "Must have the right minimal number of reserved slots.");
505 : static_assert(1 >= 1,
506 : "Must have enough reserved slots.");
507 :
508 : const JSClass*
509 0 : GetJSClass()
510 : {
511 0 : return sClass.ToJSClass();
512 : }
513 :
514 : bool
515 0 : Wrap(JSContext* aCx, mozilla::dom::ImageCapture* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
516 : {
517 : MOZ_ASSERT(static_cast<mozilla::dom::ImageCapture*>(aObject) ==
518 : reinterpret_cast<mozilla::dom::ImageCapture*>(aObject),
519 : "Multiple inheritance for mozilla::dom::ImageCapture is broken.");
520 : MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) ==
521 : reinterpret_cast<mozilla::dom::EventTarget*>(aObject),
522 : "Multiple inheritance for mozilla::dom::EventTarget is broken.");
523 0 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
524 0 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
525 0 : MOZ_ASSERT(!aCache->GetWrapper(),
526 : "You should probably not be using Wrap() directly; use "
527 : "GetOrCreateDOMReflector instead");
528 :
529 0 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
530 : "nsISupports must be on our primary inheritance chain");
531 :
532 0 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
533 0 : if (!global) {
534 0 : return false;
535 : }
536 0 : MOZ_ASSERT(JS_IsGlobalObject(global));
537 0 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
538 :
539 : // That might have ended up wrapping us already, due to the wonders
540 : // of XBL. Check for that, and bail out as needed.
541 0 : aReflector.set(aCache->GetWrapper());
542 0 : if (aReflector) {
543 : #ifdef DEBUG
544 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
545 : #endif // DEBUG
546 0 : return true;
547 : }
548 :
549 0 : JSAutoCompartment ac(aCx, global);
550 0 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
551 0 : if (!canonicalProto) {
552 0 : return false;
553 : }
554 0 : JS::Rooted<JSObject*> proto(aCx);
555 0 : if (aGivenProto) {
556 0 : proto = aGivenProto;
557 : // Unfortunately, while aGivenProto was in the compartment of aCx
558 : // coming in, we changed compartments to that of "parent" so may need
559 : // to wrap the proto here.
560 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
561 0 : if (!JS_WrapObject(aCx, &proto)) {
562 0 : return false;
563 : }
564 : }
565 : } else {
566 0 : proto = canonicalProto;
567 : }
568 :
569 0 : BindingJSObjectCreator<mozilla::dom::ImageCapture> creator(aCx);
570 0 : creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
571 0 : if (!aReflector) {
572 0 : return false;
573 : }
574 :
575 0 : aCache->SetWrapper(aReflector);
576 0 : creator.InitializationSucceeded();
577 :
578 0 : MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
579 : aCache->GetWrapperPreserveColor() == aReflector);
580 : // If proto != canonicalProto, we have to preserve our wrapper;
581 : // otherwise we won't be able to properly recreate it later, since
582 : // we won't know what proto to use. Note that we don't check
583 : // aGivenProto here, since it's entirely possible (and even
584 : // somewhat common) to have a non-null aGivenProto which is the
585 : // same as canonicalProto.
586 0 : if (proto != canonicalProto) {
587 0 : PreserveWrapper(aObject);
588 : }
589 :
590 0 : return true;
591 : }
592 :
593 : const NativePropertyHooks sNativePropertyHooks[] = { {
594 : nullptr,
595 : nullptr,
596 : nullptr,
597 : { sNativeProperties.Upcast(), nullptr },
598 : prototypes::id::ImageCapture,
599 : constructors::id::ImageCapture,
600 : EventTargetBinding::sNativePropertyHooks,
601 : &DefaultXrayExpandoObjectClass
602 : } };
603 :
604 : void
605 0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
606 : {
607 0 : JS::Handle<JSObject*> parentProto(EventTargetBinding::GetProtoObjectHandle(aCx));
608 0 : if (!parentProto) {
609 0 : return;
610 : }
611 :
612 0 : JS::Handle<JSObject*> constructorProto(EventTargetBinding::GetConstructorObjectHandle(aCx));
613 0 : if (!constructorProto) {
614 0 : return;
615 : }
616 :
617 : static bool sIdsInited = false;
618 0 : if (!sIdsInited && NS_IsMainThread()) {
619 0 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
620 0 : return;
621 : }
622 0 : sIdsInited = true;
623 : }
624 :
625 0 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::ImageCapture);
626 0 : JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::ImageCapture);
627 0 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
628 : &sPrototypeClass.mBase, protoCache,
629 : constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr,
630 : interfaceCache,
631 : sNativeProperties.Upcast(),
632 : nullptr,
633 : "ImageCapture", aDefineOnGlobal,
634 : nullptr,
635 0 : false);
636 : }
637 :
638 : JS::Handle<JSObject*>
639 0 : GetProtoObjectHandle(JSContext* aCx)
640 : {
641 : /* Get the interface prototype object for this class. This will create the
642 : object as needed. */
643 0 : bool aDefineOnGlobal = true;
644 :
645 : /* Make sure our global is sane. Hopefully we can remove this sometime */
646 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
647 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
648 0 : return nullptr;
649 : }
650 :
651 : /* Check to see whether the interface objects are already installed */
652 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
653 0 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::ImageCapture)) {
654 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
655 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
656 : }
657 :
658 : /*
659 : * The object might _still_ be null, but that's OK.
660 : *
661 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
662 : * traced by TraceProtoAndIfaceCache() and its contents are never
663 : * changed after they have been set.
664 : *
665 : * Calling address() avoids the read read barrier that does gray
666 : * unmarking, but it's not possible for the object to be gray here.
667 : */
668 :
669 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::ImageCapture);
670 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
671 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
672 : }
673 :
674 : JS::Handle<JSObject*>
675 0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
676 : {
677 : /* Get the interface object for this class. This will create the object as
678 : needed. */
679 :
680 : /* Make sure our global is sane. Hopefully we can remove this sometime */
681 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
682 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
683 0 : return nullptr;
684 : }
685 :
686 : /* Check to see whether the interface objects are already installed */
687 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
688 0 : if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::ImageCapture)) {
689 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
690 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
691 : }
692 :
693 : /*
694 : * The object might _still_ be null, but that's OK.
695 : *
696 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
697 : * traced by TraceProtoAndIfaceCache() and its contents are never
698 : * changed after they have been set.
699 : *
700 : * Calling address() avoids the read read barrier that does gray
701 : * unmarking, but it's not possible for the object to be gray here.
702 : */
703 :
704 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::ImageCapture);
705 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
706 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
707 : }
708 :
709 : JSObject*
710 0 : GetConstructorObject(JSContext* aCx)
711 : {
712 0 : return GetConstructorObjectHandle(aCx);
713 : }
714 :
715 : } // namespace ImageCaptureBinding
716 :
717 :
718 :
719 : } // namespace dom
720 : } // namespace mozilla
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