Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM File.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "AtomList.h"
4 : #include "BlobBinding.h"
5 : #include "FileBinding.h"
6 : #include "WrapperFactory.h"
7 : #include "mozilla/OwningNonNull.h"
8 : #include "mozilla/dom/BindingUtils.h"
9 : #include "mozilla/dom/DOMJSClass.h"
10 : #include "mozilla/dom/Date.h"
11 : #include "mozilla/dom/Directory.h"
12 : #include "mozilla/dom/File.h"
13 : #include "mozilla/dom/NonRefcountedDOMObject.h"
14 : #include "mozilla/dom/PrimitiveConversions.h"
15 : #include "mozilla/dom/Promise.h"
16 : #include "mozilla/dom/ScriptSettings.h"
17 : #include "mozilla/dom/SimpleGlobalObject.h"
18 : #include "mozilla/dom/ToJSValue.h"
19 : #include "mozilla/dom/UnionConversions.h"
20 : #include "mozilla/dom/XrayExpandoClass.h"
21 : #include "nsContentUtils.h"
22 : #include "nsIDocument.h"
23 : #include "nsIFile.h"
24 :
25 : namespace mozilla {
26 : namespace dom {
27 :
28 :
29 0 : FilePropertyBag::FilePropertyBag()
30 : {
31 : // Safe to pass a null context if we pass a null value
32 0 : Init(nullptr, JS::NullHandleValue);
33 0 : }
34 :
35 :
36 :
37 : bool
38 0 : FilePropertyBag::InitIds(JSContext* cx, FilePropertyBagAtoms* atomsCache)
39 : {
40 0 : MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
41 :
42 : // Initialize these in reverse order so that any failure leaves the first one
43 : // uninitialized.
44 0 : if (!atomsCache->type_id.init(cx, "type") ||
45 0 : !atomsCache->lastModified_id.init(cx, "lastModified")) {
46 0 : return false;
47 : }
48 0 : return true;
49 : }
50 :
51 : bool
52 0 : FilePropertyBag::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
53 : {
54 : // Passing a null JSContext is OK only if we're initing from null,
55 : // Since in that case we will not have to do any property gets
56 : // Also evaluate isNullOrUndefined in order to avoid false-positive
57 : // checkers by static analysis tools
58 0 : MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
59 0 : FilePropertyBagAtoms* atomsCache = nullptr;
60 0 : if (cx) {
61 0 : atomsCache = GetAtomCache<FilePropertyBagAtoms>(cx);
62 0 : if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
63 0 : return false;
64 : }
65 : }
66 :
67 0 : if (!IsConvertibleToDictionary(val)) {
68 0 : return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription);
69 : }
70 :
71 0 : bool isNull = val.isNullOrUndefined();
72 : // We only need these if !isNull, in which case we have |cx|.
73 0 : Maybe<JS::Rooted<JSObject *> > object;
74 0 : Maybe<JS::Rooted<JS::Value> > temp;
75 0 : if (!isNull) {
76 0 : MOZ_ASSERT(cx);
77 0 : object.emplace(cx, &val.toObject());
78 0 : temp.emplace(cx);
79 : }
80 0 : if (!isNull) {
81 0 : if (!JS_GetPropertyById(cx, *object, atomsCache->lastModified_id, temp.ptr())) {
82 0 : return false;
83 : }
84 : }
85 0 : if (!isNull && !temp->isUndefined()) {
86 0 : mLastModified.Construct();
87 0 : if (!ValueToPrimitive<int64_t, eDefault>(cx, temp.ref(), &(mLastModified.Value()))) {
88 0 : return false;
89 : }
90 0 : mIsAnyMemberPresent = true;
91 : }
92 :
93 0 : if (!isNull) {
94 0 : if (!JS_GetPropertyById(cx, *object, atomsCache->type_id, temp.ptr())) {
95 0 : return false;
96 : }
97 : }
98 0 : if (!isNull && !temp->isUndefined()) {
99 0 : if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mType)) {
100 0 : return false;
101 : }
102 : } else {
103 : static const char16_t data[] = { 0 };
104 0 : mType.Rebind(data, ArrayLength(data) - 1);
105 : }
106 0 : mIsAnyMemberPresent = true;
107 0 : return true;
108 : }
109 :
110 : bool
111 0 : FilePropertyBag::Init(const nsAString& aJSON)
112 : {
113 0 : AutoJSAPI jsapi;
114 0 : JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
115 0 : if (!cleanGlobal) {
116 0 : return false;
117 : }
118 0 : if (!jsapi.Init(cleanGlobal)) {
119 0 : return false;
120 : }
121 0 : JSContext* cx = jsapi.cx();
122 0 : JS::Rooted<JS::Value> json(cx);
123 0 : bool ok = ParseJSON(cx, aJSON, &json);
124 0 : NS_ENSURE_TRUE(ok, false);
125 0 : return Init(cx, json);
126 : }
127 :
128 : bool
129 0 : FilePropertyBag::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
130 : {
131 0 : FilePropertyBagAtoms* atomsCache = GetAtomCache<FilePropertyBagAtoms>(cx);
132 0 : if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
133 0 : return false;
134 : }
135 :
136 0 : JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
137 0 : if (!obj) {
138 0 : return false;
139 : }
140 0 : rval.set(JS::ObjectValue(*obj));
141 :
142 0 : if (mLastModified.WasPassed()) {
143 : do {
144 : // block for our 'break' successCode and scope for 'temp' and 'currentValue'
145 0 : JS::Rooted<JS::Value> temp(cx);
146 0 : int64_t const & currentValue = mLastModified.InternalValue();
147 0 : temp.set(JS_NumberValue(double(currentValue)));
148 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->lastModified_id, temp, JSPROP_ENUMERATE)) {
149 0 : return false;
150 : }
151 0 : break;
152 : } while(0);
153 : }
154 :
155 : do {
156 : // block for our 'break' successCode and scope for 'temp' and 'currentValue'
157 0 : JS::Rooted<JS::Value> temp(cx);
158 0 : nsString const & currentValue = mType;
159 0 : if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
160 0 : return false;
161 : }
162 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->type_id, temp, JSPROP_ENUMERATE)) {
163 0 : return false;
164 : }
165 0 : break;
166 : } while(0);
167 :
168 0 : return true;
169 : }
170 :
171 : bool
172 0 : FilePropertyBag::ToJSON(nsAString& aJSON) const
173 : {
174 0 : AutoJSAPI jsapi;
175 0 : jsapi.Init();
176 0 : JSContext *cx = jsapi.cx();
177 : // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
178 : // because we'll only be creating objects, in ways that have no
179 : // side-effects, followed by a call to JS::ToJSONMaybeSafely,
180 : // which likewise guarantees no side-effects for the sorts of
181 : // things we will pass it.
182 0 : JSAutoCompartment ac(cx, binding_detail::UnprivilegedJunkScopeOrWorkerGlobal());
183 0 : JS::Rooted<JS::Value> val(cx);
184 0 : if (!ToObjectInternal(cx, &val)) {
185 0 : return false;
186 : }
187 0 : JS::Rooted<JSObject*> obj(cx, &val.toObject());
188 0 : return StringifyToJSON(cx, obj, aJSON);
189 : }
190 :
191 : void
192 0 : FilePropertyBag::TraceDictionary(JSTracer* trc)
193 : {
194 0 : }
195 :
196 : FilePropertyBag&
197 0 : FilePropertyBag::operator=(const FilePropertyBag& aOther)
198 : {
199 0 : mLastModified.Reset();
200 0 : if (aOther.mLastModified.WasPassed()) {
201 0 : mLastModified.Construct(aOther.mLastModified.Value());
202 : }
203 0 : mType = aOther.mType;
204 0 : return *this;
205 : }
206 :
207 : namespace binding_detail {
208 : } // namespace binding_detail
209 :
210 :
211 :
212 0 : ChromeFilePropertyBag::ChromeFilePropertyBag()
213 0 : : FilePropertyBag(FastDictionaryInitializer())
214 : {
215 : // Safe to pass a null context if we pass a null value
216 0 : Init(nullptr, JS::NullHandleValue);
217 0 : }
218 :
219 :
220 :
221 : bool
222 0 : ChromeFilePropertyBag::InitIds(JSContext* cx, ChromeFilePropertyBagAtoms* atomsCache)
223 : {
224 0 : MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
225 :
226 : // Initialize these in reverse order so that any failure leaves the first one
227 : // uninitialized.
228 0 : if (!atomsCache->name_id.init(cx, "name") ||
229 0 : !atomsCache->existenceCheck_id.init(cx, "existenceCheck")) {
230 0 : return false;
231 : }
232 0 : return true;
233 : }
234 :
235 : bool
236 0 : ChromeFilePropertyBag::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
237 : {
238 : // Passing a null JSContext is OK only if we're initing from null,
239 : // Since in that case we will not have to do any property gets
240 : // Also evaluate isNullOrUndefined in order to avoid false-positive
241 : // checkers by static analysis tools
242 0 : MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
243 0 : ChromeFilePropertyBagAtoms* atomsCache = nullptr;
244 0 : if (cx) {
245 0 : atomsCache = GetAtomCache<ChromeFilePropertyBagAtoms>(cx);
246 0 : if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
247 0 : return false;
248 : }
249 : }
250 :
251 : // Per spec, we init the parent's members first
252 0 : if (!FilePropertyBag::Init(cx, val)) {
253 0 : return false;
254 : }
255 :
256 0 : bool isNull = val.isNullOrUndefined();
257 : // We only need these if !isNull, in which case we have |cx|.
258 0 : Maybe<JS::Rooted<JSObject *> > object;
259 0 : Maybe<JS::Rooted<JS::Value> > temp;
260 0 : if (!isNull) {
261 0 : MOZ_ASSERT(cx);
262 0 : object.emplace(cx, &val.toObject());
263 0 : temp.emplace(cx);
264 : }
265 0 : if (!isNull) {
266 0 : if (!JS_GetPropertyById(cx, *object, atomsCache->existenceCheck_id, temp.ptr())) {
267 0 : return false;
268 : }
269 : }
270 0 : if (!isNull && !temp->isUndefined()) {
271 0 : if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mExistenceCheck)) {
272 0 : return false;
273 : }
274 : } else {
275 0 : mExistenceCheck = true;
276 : }
277 0 : mIsAnyMemberPresent = true;
278 :
279 0 : if (!isNull) {
280 0 : if (!JS_GetPropertyById(cx, *object, atomsCache->name_id, temp.ptr())) {
281 0 : return false;
282 : }
283 : }
284 0 : if (!isNull && !temp->isUndefined()) {
285 0 : if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mName)) {
286 0 : return false;
287 : }
288 : } else {
289 : static const char16_t data[] = { 0 };
290 0 : mName.Rebind(data, ArrayLength(data) - 1);
291 : }
292 0 : mIsAnyMemberPresent = true;
293 0 : return true;
294 : }
295 :
296 : bool
297 0 : ChromeFilePropertyBag::Init(const nsAString& aJSON)
298 : {
299 0 : AutoJSAPI jsapi;
300 0 : JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
301 0 : if (!cleanGlobal) {
302 0 : return false;
303 : }
304 0 : if (!jsapi.Init(cleanGlobal)) {
305 0 : return false;
306 : }
307 0 : JSContext* cx = jsapi.cx();
308 0 : JS::Rooted<JS::Value> json(cx);
309 0 : bool ok = ParseJSON(cx, aJSON, &json);
310 0 : NS_ENSURE_TRUE(ok, false);
311 0 : return Init(cx, json);
312 : }
313 :
314 : bool
315 0 : ChromeFilePropertyBag::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
316 : {
317 0 : ChromeFilePropertyBagAtoms* atomsCache = GetAtomCache<ChromeFilePropertyBagAtoms>(cx);
318 0 : if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
319 0 : return false;
320 : }
321 :
322 : // Per spec, we define the parent's members first
323 0 : if (!FilePropertyBag::ToObjectInternal(cx, rval)) {
324 0 : return false;
325 : }
326 0 : JS::Rooted<JSObject*> obj(cx, &rval.toObject());
327 :
328 : do {
329 : // block for our 'break' successCode and scope for 'temp' and 'currentValue'
330 0 : JS::Rooted<JS::Value> temp(cx);
331 0 : bool const & currentValue = mExistenceCheck;
332 0 : temp.setBoolean(currentValue);
333 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->existenceCheck_id, temp, JSPROP_ENUMERATE)) {
334 0 : return false;
335 : }
336 0 : break;
337 : } while(0);
338 :
339 : do {
340 : // block for our 'break' successCode and scope for 'temp' and 'currentValue'
341 0 : JS::Rooted<JS::Value> temp(cx);
342 0 : nsString const & currentValue = mName;
343 0 : if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
344 0 : return false;
345 : }
346 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->name_id, temp, JSPROP_ENUMERATE)) {
347 0 : return false;
348 : }
349 0 : break;
350 : } while(0);
351 :
352 0 : return true;
353 : }
354 :
355 : bool
356 0 : ChromeFilePropertyBag::ToJSON(nsAString& aJSON) const
357 : {
358 0 : AutoJSAPI jsapi;
359 0 : jsapi.Init();
360 0 : JSContext *cx = jsapi.cx();
361 : // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
362 : // because we'll only be creating objects, in ways that have no
363 : // side-effects, followed by a call to JS::ToJSONMaybeSafely,
364 : // which likewise guarantees no side-effects for the sorts of
365 : // things we will pass it.
366 0 : JSAutoCompartment ac(cx, binding_detail::UnprivilegedJunkScopeOrWorkerGlobal());
367 0 : JS::Rooted<JS::Value> val(cx);
368 0 : if (!ToObjectInternal(cx, &val)) {
369 0 : return false;
370 : }
371 0 : JS::Rooted<JSObject*> obj(cx, &val.toObject());
372 0 : return StringifyToJSON(cx, obj, aJSON);
373 : }
374 :
375 : void
376 0 : ChromeFilePropertyBag::TraceDictionary(JSTracer* trc)
377 : {
378 0 : FilePropertyBag::TraceDictionary(trc);
379 0 : }
380 :
381 : ChromeFilePropertyBag&
382 0 : ChromeFilePropertyBag::operator=(const ChromeFilePropertyBag& aOther)
383 : {
384 0 : FilePropertyBag::operator=(aOther);
385 0 : mExistenceCheck = aOther.mExistenceCheck;
386 0 : mName = aOther.mName;
387 0 : return *this;
388 : }
389 :
390 : namespace binding_detail {
391 : } // namespace binding_detail
392 :
393 :
394 : namespace FileBinding {
395 :
396 : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<BlobBinding::NativeType>::value,
397 : "Can't inherit from an interface with a different ownership model.");
398 :
399 : static bool
400 0 : get_name(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::File* self, JSJitGetterCallArgs args)
401 : {
402 0 : DOMString result;
403 0 : self->GetName(result);
404 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
405 0 : if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
406 0 : return false;
407 : }
408 0 : return true;
409 : }
410 :
411 : static const JSJitInfo name_getterinfo = {
412 : { (JSJitGetterOp)get_name },
413 : { prototypes::id::File },
414 : { PrototypeTraits<prototypes::id::File>::Depth },
415 : JSJitInfo::Getter,
416 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
417 : JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
418 : false, /* isInfallible. False in setters. */
419 : false, /* isMovable. Not relevant for setters. */
420 : false, /* isEliminatable. Not relevant for setters. */
421 : false, /* isAlwaysInSlot. Only relevant for getters. */
422 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
423 : false, /* isTypedMethod. Only relevant for methods. */
424 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
425 : };
426 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
427 : static_assert(0 < 1, "There is no slot for us");
428 :
429 : static bool
430 0 : get_lastModified(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::File* self, JSJitGetterCallArgs args)
431 : {
432 0 : binding_detail::FastErrorResult rv;
433 0 : int64_t result(self->GetLastModified(rv));
434 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
435 0 : return false;
436 : }
437 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
438 0 : args.rval().set(JS_NumberValue(double(result)));
439 0 : return true;
440 : }
441 :
442 : static const JSJitInfo lastModified_getterinfo = {
443 : { (JSJitGetterOp)get_lastModified },
444 : { prototypes::id::File },
445 : { PrototypeTraits<prototypes::id::File>::Depth },
446 : JSJitInfo::Getter,
447 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
448 : JSVAL_TYPE_DOUBLE, /* returnType. Not relevant for setters. */
449 : false, /* isInfallible. False in setters. */
450 : false, /* isMovable. Not relevant for setters. */
451 : false, /* isEliminatable. Not relevant for setters. */
452 : false, /* isAlwaysInSlot. Only relevant for getters. */
453 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
454 : false, /* isTypedMethod. Only relevant for methods. */
455 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
456 : };
457 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
458 : static_assert(0 < 1, "There is no slot for us");
459 :
460 : static bool
461 0 : get_lastModifiedDate(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::File* self, JSJitGetterCallArgs args)
462 : {
463 0 : DeprecationWarning(cx, obj, nsIDocument::eFileLastModifiedDate);
464 0 : binding_detail::FastErrorResult rv;
465 0 : Date result(self->GetLastModifiedDate(rv));
466 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
467 0 : return false;
468 : }
469 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
470 0 : if (!result.ToDateObject(cx, args.rval())) {
471 0 : return false;
472 : }
473 0 : return true;
474 : }
475 :
476 : static const JSJitInfo lastModifiedDate_getterinfo = {
477 : { (JSJitGetterOp)get_lastModifiedDate },
478 : { prototypes::id::File },
479 : { PrototypeTraits<prototypes::id::File>::Depth },
480 : JSJitInfo::Getter,
481 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
482 : JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
483 : false, /* isInfallible. False in setters. */
484 : false, /* isMovable. Not relevant for setters. */
485 : false, /* isEliminatable. Not relevant for setters. */
486 : false, /* isAlwaysInSlot. Only relevant for getters. */
487 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
488 : false, /* isTypedMethod. Only relevant for methods. */
489 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
490 : };
491 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
492 : static_assert(0 < 1, "There is no slot for us");
493 :
494 : static bool
495 0 : get_webkitRelativePath(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::File* self, JSJitGetterCallArgs args)
496 : {
497 0 : DOMString result;
498 0 : self->GetRelativePath(result);
499 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
500 0 : if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
501 0 : return false;
502 : }
503 0 : return true;
504 : }
505 :
506 : static const JSJitInfo webkitRelativePath_getterinfo = {
507 : { (JSJitGetterOp)get_webkitRelativePath },
508 : { prototypes::id::File },
509 : { PrototypeTraits<prototypes::id::File>::Depth },
510 : JSJitInfo::Getter,
511 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
512 : JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
513 : false, /* isInfallible. False in setters. */
514 : false, /* isMovable. Not relevant for setters. */
515 : false, /* isEliminatable. Not relevant for setters. */
516 : false, /* isAlwaysInSlot. Only relevant for getters. */
517 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
518 : false, /* isTypedMethod. Only relevant for methods. */
519 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
520 : };
521 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
522 : static_assert(0 < 1, "There is no slot for us");
523 :
524 : static bool
525 0 : get_mozFullPath(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::File* self, JSJitGetterCallArgs args)
526 : {
527 0 : binding_detail::FastErrorResult rv;
528 0 : DOMString result;
529 0 : self->GetMozFullPath(result, SystemCallerGuarantee(), rv);
530 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
531 0 : return false;
532 : }
533 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
534 0 : if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
535 0 : return false;
536 : }
537 0 : return true;
538 : }
539 :
540 : static const JSJitInfo mozFullPath_getterinfo = {
541 : { (JSJitGetterOp)get_mozFullPath },
542 : { prototypes::id::File },
543 : { PrototypeTraits<prototypes::id::File>::Depth },
544 : JSJitInfo::Getter,
545 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
546 : JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
547 : false, /* isInfallible. False in setters. */
548 : false, /* isMovable. Not relevant for setters. */
549 : false, /* isEliminatable. Not relevant for setters. */
550 : false, /* isAlwaysInSlot. Only relevant for getters. */
551 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
552 : false, /* isTypedMethod. Only relevant for methods. */
553 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
554 : };
555 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
556 : static_assert(0 < 1, "There is no slot for us");
557 :
558 : static bool
559 0 : createFromNsIFile(JSContext* cx, unsigned argc, JS::Value* vp)
560 : {
561 0 : JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
562 0 : JS::Rooted<JSObject*> obj(cx, &args.callee());
563 :
564 0 : if (MOZ_UNLIKELY(args.length() < 1)) {
565 0 : return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "File.createFromNsIFile");
566 : }
567 0 : GlobalObject global(cx, xpc::XrayAwareCalleeGlobal(obj));
568 0 : if (global.Failed()) {
569 0 : return false;
570 : }
571 :
572 : nsIFile* arg0;
573 0 : RefPtr<nsIFile> arg0_holder;
574 0 : if (args[0].isObject()) {
575 0 : JS::Rooted<JSObject*> source(cx, &args[0].toObject());
576 0 : if (NS_FAILED(UnwrapArg<nsIFile>(cx, source, getter_AddRefs(arg0_holder)))) {
577 0 : ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of File.createFromNsIFile", "nsIFile");
578 0 : return false;
579 : }
580 0 : MOZ_ASSERT(arg0_holder);
581 0 : arg0 = arg0_holder;
582 : } else {
583 0 : ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of File.createFromNsIFile");
584 0 : return false;
585 : }
586 0 : binding_detail::FastChromeFilePropertyBag arg1;
587 0 : if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue, "Argument 2 of File.createFromNsIFile", false)) {
588 0 : return false;
589 : }
590 0 : binding_detail::FastErrorResult rv;
591 0 : auto result(StrongOrRawPtr<Promise>(mozilla::dom::File::CreateFromNsIFile(global, NonNullHelper(arg0), Constify(arg1), SystemCallerGuarantee(), rv)));
592 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
593 0 : return false;
594 : }
595 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
596 0 : if (!ToJSValue(cx, result, args.rval())) {
597 0 : return false;
598 : }
599 0 : return true;
600 : }
601 :
602 :
603 : static const JSJitInfo createFromNsIFile_methodinfo = {
604 : { (JSJitGetterOp)createFromNsIFile },
605 : { prototypes::id::_ID_Count }, { 0 }, JSJitInfo::StaticMethod,
606 : JSJitInfo::AliasEverything, JSVAL_TYPE_MISSING, false, false,
607 : false, false, 0
608 : };
609 :
610 : static bool
611 0 : createFromFileName(JSContext* cx, unsigned argc, JS::Value* vp)
612 : {
613 0 : JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
614 0 : JS::Rooted<JSObject*> obj(cx, &args.callee());
615 :
616 0 : if (MOZ_UNLIKELY(args.length() < 1)) {
617 0 : return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "File.createFromFileName");
618 : }
619 0 : GlobalObject global(cx, xpc::XrayAwareCalleeGlobal(obj));
620 0 : if (global.Failed()) {
621 0 : return false;
622 : }
623 :
624 0 : binding_detail::FakeString arg0;
625 0 : if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
626 0 : return false;
627 : }
628 0 : NormalizeUSVString(arg0);
629 0 : binding_detail::FastChromeFilePropertyBag arg1;
630 0 : if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue, "Argument 2 of File.createFromFileName", false)) {
631 0 : return false;
632 : }
633 0 : binding_detail::FastErrorResult rv;
634 0 : auto result(StrongOrRawPtr<Promise>(mozilla::dom::File::CreateFromFileName(global, Constify(arg0), Constify(arg1), SystemCallerGuarantee(), rv)));
635 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
636 0 : return false;
637 : }
638 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
639 0 : if (!ToJSValue(cx, result, args.rval())) {
640 0 : return false;
641 : }
642 0 : return true;
643 : }
644 :
645 :
646 : static const JSJitInfo createFromFileName_methodinfo = {
647 : { (JSJitGetterOp)createFromFileName },
648 : { prototypes::id::_ID_Count }, { 0 }, JSJitInfo::StaticMethod,
649 : JSJitInfo::AliasEverything, JSVAL_TYPE_MISSING, false, false,
650 : false, false, 0
651 : };
652 :
653 : static bool
654 0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
655 : {
656 0 : mozilla::dom::File* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::File>(obj);
657 : // We don't want to preserve if we don't have a wrapper, and we
658 : // obviously can't preserve if we're not initialized.
659 0 : if (self && self->GetWrapperPreserveColor()) {
660 0 : PreserveWrapper(self);
661 : }
662 0 : return true;
663 : }
664 :
665 : static void
666 0 : _finalize(js::FreeOp* fop, JSObject* obj)
667 : {
668 0 : mozilla::dom::File* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::File>(obj);
669 0 : if (self) {
670 0 : ClearWrapper(self, self, obj);
671 0 : AddForDeferredFinalization<mozilla::dom::File>(self);
672 : }
673 0 : }
674 :
675 : static void
676 0 : _objectMoved(JSObject* obj, const JSObject* old)
677 : {
678 0 : mozilla::dom::File* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::File>(obj);
679 0 : if (self) {
680 0 : UpdateWrapper(self, self, obj, old);
681 : }
682 0 : }
683 :
684 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
685 : #if defined(__clang__)
686 : #pragma clang diagnostic push
687 : #pragma clang diagnostic ignored "-Wmissing-braces"
688 : #endif
689 : static const JSFunctionSpec sChromeStaticMethods_specs[] = {
690 : JS_FNSPEC("createFromNsIFile", StaticMethodPromiseWrapper, &createFromNsIFile_methodinfo, 1, JSPROP_ENUMERATE, nullptr),
691 : JS_FNSPEC("createFromFileName", StaticMethodPromiseWrapper, &createFromFileName_methodinfo, 1, JSPROP_ENUMERATE, nullptr),
692 : JS_FS_END
693 : };
694 : #if defined(__clang__)
695 : #pragma clang diagnostic pop
696 : #endif
697 :
698 : static PrefableDisablers sChromeStaticMethods_disablers0 = {
699 : true, false, GlobalNames::DedicatedWorkerGlobalScope | GlobalNames::ServiceWorkerGlobalScope | GlobalNames::SharedWorkerGlobalScope, nullptr
700 : };
701 :
702 : // Can't be const because the pref-enabled boolean needs to be writable
703 : static Prefable<const JSFunctionSpec> sChromeStaticMethods[] = {
704 : { &sChromeStaticMethods_disablers0, &sChromeStaticMethods_specs[0] },
705 : { nullptr, nullptr }
706 : };
707 :
708 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
709 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
710 : static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
711 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
712 :
713 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
714 : #if defined(__clang__)
715 : #pragma clang diagnostic push
716 : #pragma clang diagnostic ignored "-Wmissing-braces"
717 : #endif
718 : static const JSPropertySpec sAttributes_specs[] = {
719 : { "name", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &name_getterinfo, nullptr, nullptr },
720 : { "lastModified", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &lastModified_getterinfo, nullptr, nullptr },
721 : { "lastModifiedDate", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &lastModifiedDate_getterinfo, nullptr, nullptr },
722 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr },
723 : { "webkitRelativePath", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &webkitRelativePath_getterinfo, nullptr, nullptr },
724 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
725 : };
726 : #if defined(__clang__)
727 : #pragma clang diagnostic pop
728 : #endif
729 :
730 : static PrefableDisablers sAttributes_disablers4 = {
731 : true, false, 0, &mozilla::dom::Directory::WebkitBlinkDirectoryPickerEnabled
732 : };
733 :
734 : // Can't be const because the pref-enabled boolean needs to be writable
735 : static Prefable<const JSPropertySpec> sAttributes[] = {
736 : { nullptr, &sAttributes_specs[0] },
737 : { &sAttributes_disablers4, &sAttributes_specs[4] },
738 : { nullptr, nullptr }
739 : };
740 :
741 : static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
742 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
743 : static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
744 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
745 :
746 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
747 : #if defined(__clang__)
748 : #pragma clang diagnostic push
749 : #pragma clang diagnostic ignored "-Wmissing-braces"
750 : #endif
751 : static const JSPropertySpec sChromeAttributes_specs[] = {
752 : { "mozFullPath", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &mozFullPath_getterinfo, nullptr, nullptr },
753 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
754 : };
755 : #if defined(__clang__)
756 : #pragma clang diagnostic pop
757 : #endif
758 :
759 :
760 : // Can't be const because the pref-enabled boolean needs to be writable
761 : static Prefable<const JSPropertySpec> sChromeAttributes[] = {
762 : { nullptr, &sChromeAttributes_specs[0] },
763 : { nullptr, nullptr }
764 : };
765 :
766 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
767 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
768 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
769 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
770 :
771 :
772 : static uint16_t sNativeProperties_sortedPropertyIndices[4];
773 : static PropertyInfo sNativeProperties_propertyInfos[4];
774 :
775 : static const NativePropertiesN<1> sNativeProperties = {
776 : false, 0,
777 : false, 0,
778 : false, 0,
779 : true, 0 /* sAttributes */,
780 : false, 0,
781 : false, 0,
782 : false, 0,
783 : -1,
784 : 4,
785 : sNativeProperties_sortedPropertyIndices,
786 : {
787 : { sAttributes, &sNativeProperties_propertyInfos[0] }
788 : }
789 : };
790 : static_assert(4 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
791 : "We have a property info count that is oversized");
792 :
793 : static uint16_t sChromeOnlyNativeProperties_sortedPropertyIndices[3];
794 : static PropertyInfo sChromeOnlyNativeProperties_propertyInfos[3];
795 :
796 : static const NativePropertiesN<2> sChromeOnlyNativeProperties = {
797 : true, 0 /* sChromeStaticMethods */,
798 : false, 0,
799 : false, 0,
800 : true, 1 /* sChromeAttributes */,
801 : false, 0,
802 : false, 0,
803 : false, 0,
804 : -1,
805 : 3,
806 : sChromeOnlyNativeProperties_sortedPropertyIndices,
807 : {
808 : { sChromeStaticMethods, &sChromeOnlyNativeProperties_propertyInfos[0] },
809 : { sChromeAttributes, &sChromeOnlyNativeProperties_propertyInfos[2] }
810 : }
811 : };
812 : static_assert(3 < 1ull << CHAR_BIT * sizeof(sChromeOnlyNativeProperties.propertyInfoCount),
813 : "We have a property info count that is oversized");
814 :
815 : static bool
816 0 : _constructor(JSContext* cx, unsigned argc, JS::Value* vp)
817 : {
818 0 : JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
819 0 : JS::Rooted<JSObject*> obj(cx, &args.callee());
820 0 : if (!args.isConstructing()) {
821 : // XXXbz wish I could get the name from the callee instead of
822 : // Adding more relocations
823 0 : return ThrowConstructorWithoutNew(cx, "File");
824 : }
825 :
826 0 : GlobalObject global(cx, obj);
827 0 : if (global.Failed()) {
828 0 : return false;
829 : }
830 :
831 0 : JS::Rooted<JSObject*> desiredProto(cx);
832 0 : if (!GetDesiredProto(cx, args, &desiredProto)) {
833 0 : return false;
834 : }
835 :
836 0 : if (MOZ_UNLIKELY(args.length() < 2)) {
837 0 : return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "File");
838 : }
839 0 : bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
840 0 : binding_detail::AutoSequence<OwningArrayBufferViewOrArrayBufferOrBlobOrUSVString> arg0;
841 0 : SequenceRooter<OwningArrayBufferViewOrArrayBufferOrBlobOrUSVString> arg0_holder(cx, &arg0);
842 0 : if (args[0].isObject()) {
843 0 : JS::ForOfIterator iter(cx);
844 0 : if (!iter.init(args[0], JS::ForOfIterator::AllowNonIterable)) {
845 0 : return false;
846 : }
847 0 : if (!iter.valueIsIterable()) {
848 0 : ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 1 of File.constructor");
849 0 : return false;
850 : }
851 0 : binding_detail::AutoSequence<OwningArrayBufferViewOrArrayBufferOrBlobOrUSVString> &arr = arg0;
852 0 : JS::Rooted<JS::Value> temp(cx);
853 : while (true) {
854 : bool done;
855 0 : if (!iter.next(&temp, &done)) {
856 0 : return false;
857 : }
858 0 : if (done) {
859 0 : break;
860 : }
861 0 : OwningArrayBufferViewOrArrayBufferOrBlobOrUSVString* slotPtr = arr.AppendElement(mozilla::fallible);
862 0 : if (!slotPtr) {
863 0 : JS_ReportOutOfMemory(cx);
864 0 : return false;
865 : }
866 0 : OwningArrayBufferViewOrArrayBufferOrBlobOrUSVString& slot = *slotPtr;
867 : {
868 0 : bool done = false, failed = false, tryNext;
869 0 : if (temp.isObject()) {
870 0 : done = (failed = !slot.TrySetToArrayBufferView(cx, temp, tryNext, false)) || !tryNext ||
871 0 : (failed = !slot.TrySetToArrayBuffer(cx, temp, tryNext, false)) || !tryNext ||
872 0 : (failed = !slot.TrySetToBlob(cx, temp, tryNext, false)) || !tryNext;
873 :
874 : }
875 0 : if (!done) {
876 : do {
877 0 : done = (failed = !slot.TrySetToUSVString(cx, temp, tryNext)) || !tryNext;
878 0 : break;
879 : } while (0);
880 : }
881 0 : if (failed) {
882 0 : return false;
883 : }
884 0 : if (!done) {
885 0 : ThrowErrorMessage(cx, MSG_NOT_IN_UNION, "Element of argument 1 of File.constructor", "ArrayBufferView, ArrayBuffer, Blob");
886 0 : return false;
887 : }
888 : }
889 0 : }
890 : } else {
891 0 : ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 1 of File.constructor");
892 0 : return false;
893 : }
894 0 : binding_detail::FakeString arg1;
895 0 : if (!ConvertJSValueToString(cx, args[1], eStringify, eStringify, arg1)) {
896 0 : return false;
897 : }
898 0 : NormalizeUSVString(arg1);
899 0 : binding_detail::FastFilePropertyBag arg2;
900 0 : if (!arg2.Init(cx, (args.hasDefined(2)) ? args[2] : JS::NullHandleValue, "Argument 3 of File.constructor", false)) {
901 0 : return false;
902 : }
903 0 : Maybe<JSAutoCompartment> ac;
904 0 : if (objIsXray) {
905 0 : obj = js::CheckedUnwrap(obj);
906 0 : if (!obj) {
907 0 : return false;
908 : }
909 0 : ac.emplace(cx, obj);
910 0 : if (!JS_WrapObject(cx, &desiredProto)) {
911 0 : return false;
912 : }
913 0 : for (uint32_t indexName0 = 0; indexName0 < arg0.Length(); ++indexName0) {
914 0 : if (arg0[indexName0].IsArrayBufferView()) {
915 0 : if (!arg0[indexName0].GetAsArrayBufferView().WrapIntoNewCompartment(cx)) {
916 0 : return false;
917 : }
918 : }
919 0 : else if (arg0[indexName0].IsArrayBuffer()) {
920 0 : if (!arg0[indexName0].GetAsArrayBuffer().WrapIntoNewCompartment(cx)) {
921 0 : return false;
922 : }
923 : }
924 : }
925 : }
926 0 : binding_detail::FastErrorResult rv;
927 0 : auto result(StrongOrRawPtr<mozilla::dom::File>(mozilla::dom::File::Constructor(global, Constify(arg0), Constify(arg1), Constify(arg2), rv)));
928 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
929 0 : return false;
930 : }
931 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
932 : static_assert(!IsPointer<decltype(result)>::value,
933 : "NewObject implies that we need to keep the object alive with a strong reference.");
934 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
935 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
936 0 : return false;
937 : }
938 0 : return true;
939 : }
940 :
941 : static const js::ClassOps sInterfaceObjectClassOps = {
942 : nullptr, /* addProperty */
943 : nullptr, /* delProperty */
944 : nullptr, /* getProperty */
945 : nullptr, /* setProperty */
946 : nullptr, /* enumerate */
947 : nullptr, /* newEnumerate */
948 : nullptr, /* resolve */
949 : nullptr, /* mayResolve */
950 : nullptr, /* finalize */
951 : _constructor, /* call */
952 : nullptr, /* hasInstance */
953 : _constructor, /* construct */
954 : nullptr, /* trace */
955 : };
956 :
957 : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
958 : {
959 : "Function",
960 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
961 : &sInterfaceObjectClassOps,
962 : JS_NULL_CLASS_SPEC,
963 : JS_NULL_CLASS_EXT,
964 : &sInterfaceObjectClassObjectOps
965 : },
966 : eInterface,
967 : true,
968 : prototypes::id::File,
969 : PrototypeTraits<prototypes::id::File>::Depth,
970 : sNativePropertyHooks,
971 : "function File() {\n [native code]\n}",
972 : BlobBinding::GetConstructorObject
973 : };
974 :
975 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
976 : {
977 : "FilePrototype",
978 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
979 : JS_NULL_CLASS_OPS,
980 : JS_NULL_CLASS_SPEC,
981 : JS_NULL_CLASS_EXT,
982 : JS_NULL_OBJECT_OPS
983 : },
984 : eInterfacePrototype,
985 : false,
986 : prototypes::id::File,
987 : PrototypeTraits<prototypes::id::File>::Depth,
988 : sNativePropertyHooks,
989 : "[object FilePrototype]",
990 : BlobBinding::GetProtoObject
991 : };
992 :
993 : JSObject*
994 0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
995 : {
996 0 : return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
997 : }
998 :
999 : static const js::ClassOps sClassOps = {
1000 : _addProperty, /* addProperty */
1001 : nullptr, /* delProperty */
1002 : nullptr, /* getProperty */
1003 : nullptr, /* setProperty */
1004 : nullptr, /* enumerate */
1005 : nullptr, /* newEnumerate */
1006 : nullptr, /* resolve */
1007 : nullptr, /* mayResolve */
1008 : _finalize, /* finalize */
1009 : nullptr, /* call */
1010 : nullptr, /* hasInstance */
1011 : nullptr, /* construct */
1012 : nullptr, /* trace */
1013 : };
1014 :
1015 : static const js::ClassExtension sClassExtension = {
1016 : nullptr, /* weakmapKeyDelegateOp */
1017 : _objectMoved /* objectMovedOp */
1018 : };
1019 :
1020 : static const DOMJSClass sClass = {
1021 : { "File",
1022 : JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
1023 : &sClassOps,
1024 : JS_NULL_CLASS_SPEC,
1025 : &sClassExtension,
1026 : JS_NULL_OBJECT_OPS
1027 : },
1028 : { prototypes::id::Blob, prototypes::id::File, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
1029 : IsBaseOf<nsISupports, mozilla::dom::File >::value,
1030 : sNativePropertyHooks,
1031 : FindAssociatedGlobalForNative<mozilla::dom::File>::Get,
1032 : GetProtoObjectHandle,
1033 : GetCCParticipant<mozilla::dom::File>::Get()
1034 : };
1035 : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
1036 : "Must have the right minimal number of reserved slots.");
1037 : static_assert(1 >= 1,
1038 : "Must have enough reserved slots.");
1039 :
1040 : const JSClass*
1041 0 : GetJSClass()
1042 : {
1043 0 : return sClass.ToJSClass();
1044 : }
1045 :
1046 : bool
1047 0 : Wrap(JSContext* aCx, mozilla::dom::File* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
1048 : {
1049 : MOZ_ASSERT(static_cast<mozilla::dom::File*>(aObject) ==
1050 : reinterpret_cast<mozilla::dom::File*>(aObject),
1051 : "Multiple inheritance for mozilla::dom::File is broken.");
1052 : MOZ_ASSERT(static_cast<mozilla::dom::Blob*>(aObject) ==
1053 : reinterpret_cast<mozilla::dom::Blob*>(aObject),
1054 : "Multiple inheritance for mozilla::dom::Blob is broken.");
1055 0 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
1056 0 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
1057 0 : MOZ_ASSERT(!aCache->GetWrapper(),
1058 : "You should probably not be using Wrap() directly; use "
1059 : "GetOrCreateDOMReflector instead");
1060 :
1061 0 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
1062 : "nsISupports must be on our primary inheritance chain");
1063 :
1064 0 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
1065 0 : if (!global) {
1066 0 : return false;
1067 : }
1068 0 : MOZ_ASSERT(JS_IsGlobalObject(global));
1069 0 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
1070 :
1071 : // That might have ended up wrapping us already, due to the wonders
1072 : // of XBL. Check for that, and bail out as needed.
1073 0 : aReflector.set(aCache->GetWrapper());
1074 0 : if (aReflector) {
1075 : #ifdef DEBUG
1076 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
1077 : #endif // DEBUG
1078 0 : return true;
1079 : }
1080 :
1081 0 : JSAutoCompartment ac(aCx, global);
1082 0 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
1083 0 : if (!canonicalProto) {
1084 0 : return false;
1085 : }
1086 0 : JS::Rooted<JSObject*> proto(aCx);
1087 0 : if (aGivenProto) {
1088 0 : proto = aGivenProto;
1089 : // Unfortunately, while aGivenProto was in the compartment of aCx
1090 : // coming in, we changed compartments to that of "parent" so may need
1091 : // to wrap the proto here.
1092 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
1093 0 : if (!JS_WrapObject(aCx, &proto)) {
1094 0 : return false;
1095 : }
1096 : }
1097 : } else {
1098 0 : proto = canonicalProto;
1099 : }
1100 :
1101 0 : BindingJSObjectCreator<mozilla::dom::File> creator(aCx);
1102 0 : creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
1103 0 : if (!aReflector) {
1104 0 : return false;
1105 : }
1106 :
1107 0 : aCache->SetWrapper(aReflector);
1108 0 : creator.InitializationSucceeded();
1109 :
1110 0 : MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
1111 : aCache->GetWrapperPreserveColor() == aReflector);
1112 : // If proto != canonicalProto, we have to preserve our wrapper;
1113 : // otherwise we won't be able to properly recreate it later, since
1114 : // we won't know what proto to use. Note that we don't check
1115 : // aGivenProto here, since it's entirely possible (and even
1116 : // somewhat common) to have a non-null aGivenProto which is the
1117 : // same as canonicalProto.
1118 0 : if (proto != canonicalProto) {
1119 0 : PreserveWrapper(aObject);
1120 : }
1121 :
1122 0 : return true;
1123 : }
1124 :
1125 : const NativePropertyHooks sNativePropertyHooks[] = { {
1126 : nullptr,
1127 : nullptr,
1128 : nullptr,
1129 : { sNativeProperties.Upcast(), sChromeOnlyNativeProperties.Upcast() },
1130 : prototypes::id::File,
1131 : constructors::id::File,
1132 : BlobBinding::sNativePropertyHooks,
1133 : &DefaultXrayExpandoObjectClass
1134 : } };
1135 :
1136 : void
1137 2 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
1138 : {
1139 2 : JS::Handle<JSObject*> parentProto(BlobBinding::GetProtoObjectHandle(aCx));
1140 2 : if (!parentProto) {
1141 0 : return;
1142 : }
1143 :
1144 2 : JS::Handle<JSObject*> constructorProto(BlobBinding::GetConstructorObjectHandle(aCx));
1145 2 : if (!constructorProto) {
1146 0 : return;
1147 : }
1148 :
1149 : static bool sIdsInited = false;
1150 2 : if (!sIdsInited && NS_IsMainThread()) {
1151 1 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
1152 0 : return;
1153 : }
1154 1 : if (!InitIds(aCx, sChromeOnlyNativeProperties.Upcast())) {
1155 0 : return;
1156 : }
1157 1 : sIdsInited = true;
1158 : }
1159 :
1160 2 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::File);
1161 2 : JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::File);
1162 4 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
1163 : &sPrototypeClass.mBase, protoCache,
1164 : constructorProto, &sInterfaceObjectClass.mBase, 2, nullptr,
1165 : interfaceCache,
1166 : sNativeProperties.Upcast(),
1167 2 : nsContentUtils::ThreadsafeIsSystemCaller(aCx) ? sChromeOnlyNativeProperties.Upcast() : nullptr,
1168 : "File", aDefineOnGlobal,
1169 : nullptr,
1170 2 : false);
1171 : }
1172 :
1173 : JS::Handle<JSObject*>
1174 0 : GetProtoObjectHandle(JSContext* aCx)
1175 : {
1176 : /* Get the interface prototype object for this class. This will create the
1177 : object as needed. */
1178 0 : bool aDefineOnGlobal = true;
1179 :
1180 : /* Make sure our global is sane. Hopefully we can remove this sometime */
1181 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
1182 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
1183 0 : return nullptr;
1184 : }
1185 :
1186 : /* Check to see whether the interface objects are already installed */
1187 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
1188 0 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::File)) {
1189 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
1190 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
1191 : }
1192 :
1193 : /*
1194 : * The object might _still_ be null, but that's OK.
1195 : *
1196 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
1197 : * traced by TraceProtoAndIfaceCache() and its contents are never
1198 : * changed after they have been set.
1199 : *
1200 : * Calling address() avoids the read read barrier that does gray
1201 : * unmarking, but it's not possible for the object to be gray here.
1202 : */
1203 :
1204 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::File);
1205 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
1206 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
1207 : }
1208 :
1209 : JS::Handle<JSObject*>
1210 2 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
1211 : {
1212 : /* Get the interface object for this class. This will create the object as
1213 : needed. */
1214 :
1215 : /* Make sure our global is sane. Hopefully we can remove this sometime */
1216 2 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
1217 2 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
1218 0 : return nullptr;
1219 : }
1220 :
1221 : /* Check to see whether the interface objects are already installed */
1222 2 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
1223 2 : if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::File)) {
1224 4 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
1225 2 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
1226 : }
1227 :
1228 : /*
1229 : * The object might _still_ be null, but that's OK.
1230 : *
1231 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
1232 : * traced by TraceProtoAndIfaceCache() and its contents are never
1233 : * changed after they have been set.
1234 : *
1235 : * Calling address() avoids the read read barrier that does gray
1236 : * unmarking, but it's not possible for the object to be gray here.
1237 : */
1238 :
1239 2 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::File);
1240 2 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
1241 2 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
1242 : }
1243 :
1244 : JSObject*
1245 2 : GetConstructorObject(JSContext* aCx)
1246 : {
1247 2 : return GetConstructorObjectHandle(aCx);
1248 : }
1249 :
1250 : } // namespace FileBinding
1251 :
1252 :
1253 :
1254 : } // namespace dom
1255 : } // namespace mozilla
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