Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM ScreenOrientation.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "EventHandlerBinding.h"
4 : #include "EventTargetBinding.h"
5 : #include "ScreenOrientationBinding.h"
6 : #include "WrapperFactory.h"
7 : #include "jsapi.h"
8 : #include "mozilla/OwningNonNull.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/Promise.h"
15 : #include "mozilla/dom/ScreenOrientation.h"
16 : #include "mozilla/dom/ToJSValue.h"
17 : #include "mozilla/dom/XrayExpandoClass.h"
18 : #include "nsContentUtils.h"
19 :
20 : namespace mozilla {
21 : namespace dom {
22 :
23 : namespace OrientationTypeValues {
24 : extern const EnumEntry strings[5] = {
25 : {"portrait-primary", 16},
26 : {"portrait-secondary", 18},
27 : {"landscape-primary", 17},
28 : {"landscape-secondary", 19},
29 : { nullptr, 0 }
30 : };
31 : } // namespace OrientationTypeValues
32 :
33 : bool
34 0 : ToJSValue(JSContext* aCx, OrientationType aArgument, JS::MutableHandle<JS::Value> aValue)
35 : {
36 0 : MOZ_ASSERT(uint32_t(aArgument) < ArrayLength(OrientationTypeValues::strings));
37 : JSString* resultStr =
38 0 : JS_NewStringCopyN(aCx, OrientationTypeValues::strings[uint32_t(aArgument)].value,
39 0 : OrientationTypeValues::strings[uint32_t(aArgument)].length);
40 0 : if (!resultStr) {
41 0 : return false;
42 : }
43 0 : aValue.setString(resultStr);
44 0 : return true;
45 : }
46 :
47 :
48 : namespace OrientationLockTypeValues {
49 : extern const EnumEntry strings[9] = {
50 : {"any", 3},
51 : {"natural", 7},
52 : {"landscape", 9},
53 : {"portrait", 8},
54 : {"portrait-primary", 16},
55 : {"portrait-secondary", 18},
56 : {"landscape-primary", 17},
57 : {"landscape-secondary", 19},
58 : { nullptr, 0 }
59 : };
60 : } // namespace OrientationLockTypeValues
61 :
62 : bool
63 0 : ToJSValue(JSContext* aCx, OrientationLockType aArgument, JS::MutableHandle<JS::Value> aValue)
64 : {
65 0 : MOZ_ASSERT(uint32_t(aArgument) < ArrayLength(OrientationLockTypeValues::strings));
66 : JSString* resultStr =
67 0 : JS_NewStringCopyN(aCx, OrientationLockTypeValues::strings[uint32_t(aArgument)].value,
68 0 : OrientationLockTypeValues::strings[uint32_t(aArgument)].length);
69 0 : if (!resultStr) {
70 0 : return false;
71 : }
72 0 : aValue.setString(resultStr);
73 0 : return true;
74 : }
75 :
76 :
77 : namespace ScreenOrientationBinding {
78 :
79 : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<EventTargetBinding::NativeType>::value,
80 : "Can't inherit from an interface with a different ownership model.");
81 :
82 : static bool
83 0 : lock(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ScreenOrientation* self, const JSJitMethodCallArgs& args)
84 : {
85 0 : if (MOZ_UNLIKELY(args.length() < 1)) {
86 0 : return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "ScreenOrientation.lock");
87 : }
88 0 : if (!mozilla::dom::EnforceNotInPrerendering(cx, obj)) {
89 : // Return false from the JSNative in order to trigger
90 : // an uncatchable exception.
91 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
92 0 : return false;
93 : }
94 : OrientationLockType arg0;
95 : {
96 : int index;
97 0 : if (!FindEnumStringIndex<true>(cx, args[0], OrientationLockTypeValues::strings, "OrientationLockType", "Argument 1 of ScreenOrientation.lock", &index)) {
98 0 : return false;
99 : }
100 0 : MOZ_ASSERT(index >= 0);
101 0 : arg0 = static_cast<OrientationLockType>(index);
102 : }
103 0 : binding_detail::FastErrorResult rv;
104 0 : auto result(StrongOrRawPtr<Promise>(self->Lock(arg0, rv)));
105 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
106 0 : return false;
107 : }
108 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
109 0 : if (!ToJSValue(cx, result, args.rval())) {
110 0 : return false;
111 : }
112 0 : return true;
113 : }
114 :
115 : static bool
116 0 : lock_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ScreenOrientation* self, const JSJitMethodCallArgs& args)
117 : {
118 : // Make sure to save the callee before someone maybe messes
119 : // with rval().
120 0 : JS::Rooted<JSObject*> callee(cx, &args.callee());
121 0 : bool ok = lock(cx, obj, self, args);
122 0 : if (ok) {
123 0 : return true;
124 : }
125 0 : return ConvertExceptionToPromise(cx, xpc::XrayAwareCalleeGlobal(callee),
126 0 : args.rval());
127 : }
128 :
129 : static const JSJitInfo lock_methodinfo = {
130 : { (JSJitGetterOp)lock_promiseWrapper },
131 : { prototypes::id::ScreenOrientation },
132 : { PrototypeTraits<prototypes::id::ScreenOrientation>::Depth },
133 : JSJitInfo::Method,
134 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
135 : JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
136 : false, /* isInfallible. False in setters. */
137 : false, /* isMovable. Not relevant for setters. */
138 : false, /* isEliminatable. Not relevant for setters. */
139 : false, /* isAlwaysInSlot. Only relevant for getters. */
140 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
141 : false, /* isTypedMethod. Only relevant for methods. */
142 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
143 : };
144 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
145 : static_assert(0 < 1, "There is no slot for us");
146 :
147 : static bool
148 0 : unlock(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ScreenOrientation* self, const JSJitMethodCallArgs& args)
149 : {
150 0 : if (!mozilla::dom::EnforceNotInPrerendering(cx, obj)) {
151 : // Return false from the JSNative in order to trigger
152 : // an uncatchable exception.
153 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
154 0 : return false;
155 : }
156 0 : binding_detail::FastErrorResult rv;
157 0 : self->Unlock(rv);
158 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
159 0 : return false;
160 : }
161 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
162 0 : args.rval().setUndefined();
163 0 : return true;
164 : }
165 :
166 : static const JSJitInfo unlock_methodinfo = {
167 : { (JSJitGetterOp)unlock },
168 : { prototypes::id::ScreenOrientation },
169 : { PrototypeTraits<prototypes::id::ScreenOrientation>::Depth },
170 : JSJitInfo::Method,
171 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
172 : JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
173 : false, /* isInfallible. False in setters. */
174 : false, /* isMovable. Not relevant for setters. */
175 : false, /* isEliminatable. Not relevant for setters. */
176 : false, /* isAlwaysInSlot. Only relevant for getters. */
177 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
178 : false, /* isTypedMethod. Only relevant for methods. */
179 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
180 : };
181 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
182 : static_assert(0 < 1, "There is no slot for us");
183 :
184 : static bool
185 0 : get_type(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ScreenOrientation* self, JSJitGetterCallArgs args)
186 : {
187 0 : if (!mozilla::dom::EnforceNotInPrerendering(cx, obj)) {
188 : // Return false from the JSNative in order to trigger
189 : // an uncatchable exception.
190 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
191 0 : return false;
192 : }
193 0 : binding_detail::FastErrorResult rv;
194 0 : OrientationType result(self->GetType(nsContentUtils::IsSystemCaller(cx) ? CallerType::System : CallerType::NonSystem, rv));
195 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
196 0 : return false;
197 : }
198 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
199 0 : if (!ToJSValue(cx, result, args.rval())) {
200 0 : return false;
201 : }
202 0 : return true;
203 : }
204 :
205 : static const JSJitInfo type_getterinfo = {
206 : { (JSJitGetterOp)get_type },
207 : { prototypes::id::ScreenOrientation },
208 : { PrototypeTraits<prototypes::id::ScreenOrientation>::Depth },
209 : JSJitInfo::Getter,
210 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
211 : JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
212 : false, /* isInfallible. False in setters. */
213 : false, /* isMovable. Not relevant for setters. */
214 : false, /* isEliminatable. Not relevant for setters. */
215 : false, /* isAlwaysInSlot. Only relevant for getters. */
216 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
217 : false, /* isTypedMethod. Only relevant for methods. */
218 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
219 : };
220 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
221 : static_assert(0 < 1, "There is no slot for us");
222 :
223 : static bool
224 0 : get_angle(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ScreenOrientation* self, JSJitGetterCallArgs args)
225 : {
226 0 : if (!mozilla::dom::EnforceNotInPrerendering(cx, obj)) {
227 : // Return false from the JSNative in order to trigger
228 : // an uncatchable exception.
229 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
230 0 : return false;
231 : }
232 0 : binding_detail::FastErrorResult rv;
233 0 : uint16_t result(self->GetAngle(nsContentUtils::IsSystemCaller(cx) ? CallerType::System : CallerType::NonSystem, rv));
234 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
235 0 : return false;
236 : }
237 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
238 0 : args.rval().setInt32(int32_t(result));
239 0 : return true;
240 : }
241 :
242 : static const JSJitInfo angle_getterinfo = {
243 : { (JSJitGetterOp)get_angle },
244 : { prototypes::id::ScreenOrientation },
245 : { PrototypeTraits<prototypes::id::ScreenOrientation>::Depth },
246 : JSJitInfo::Getter,
247 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
248 : JSVAL_TYPE_INT32, /* returnType. Not relevant for setters. */
249 : false, /* isInfallible. False in setters. */
250 : false, /* isMovable. Not relevant for setters. */
251 : false, /* isEliminatable. Not relevant for setters. */
252 : false, /* isAlwaysInSlot. Only relevant for getters. */
253 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
254 : false, /* isTypedMethod. Only relevant for methods. */
255 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
256 : };
257 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
258 : static_assert(0 < 1, "There is no slot for us");
259 :
260 : static bool
261 0 : get_onchange(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ScreenOrientation* self, JSJitGetterCallArgs args)
262 : {
263 0 : if (!mozilla::dom::EnforceNotInPrerendering(cx, obj)) {
264 : // Return false from the JSNative in order to trigger
265 : // an uncatchable exception.
266 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
267 0 : return false;
268 : }
269 0 : RefPtr<EventHandlerNonNull> result(self->GetOnchange());
270 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
271 0 : if (result) {
272 0 : args.rval().setObjectOrNull(GetCallbackFromCallbackObject(result));
273 0 : if (!MaybeWrapObjectOrNullValue(cx, args.rval())) {
274 0 : return false;
275 : }
276 0 : return true;
277 : } else {
278 0 : args.rval().setNull();
279 0 : return true;
280 : }
281 : }
282 :
283 : static bool
284 0 : set_onchange(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ScreenOrientation* self, JSJitSetterCallArgs args)
285 : {
286 0 : if (!mozilla::dom::EnforceNotInPrerendering(cx, obj)) {
287 : // Return false from the JSNative in order to trigger
288 : // an uncatchable exception.
289 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
290 0 : return false;
291 : }
292 0 : RootedCallback<RefPtr<binding_detail::FastEventHandlerNonNull>> arg0(cx);
293 0 : if (args[0].isObject()) {
294 : { // scope for tempRoot
295 0 : JS::Rooted<JSObject*> tempRoot(cx, &args[0].toObject());
296 0 : arg0 = new binding_detail::FastEventHandlerNonNull(tempRoot);
297 : }
298 : } else {
299 0 : arg0 = nullptr;
300 : }
301 0 : self->SetOnchange(Constify(arg0));
302 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
303 :
304 0 : return true;
305 : }
306 :
307 : static const JSJitInfo onchange_getterinfo = {
308 : { (JSJitGetterOp)get_onchange },
309 : { prototypes::id::ScreenOrientation },
310 : { PrototypeTraits<prototypes::id::ScreenOrientation>::Depth },
311 : JSJitInfo::Getter,
312 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
313 : JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */
314 : false, /* isInfallible. False in setters. */
315 : false, /* isMovable. Not relevant for setters. */
316 : false, /* isEliminatable. Not relevant for setters. */
317 : false, /* isAlwaysInSlot. Only relevant for getters. */
318 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
319 : false, /* isTypedMethod. Only relevant for methods. */
320 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
321 : };
322 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
323 : static_assert(0 < 1, "There is no slot for us");
324 : static const JSJitInfo onchange_setterinfo = {
325 : { (JSJitGetterOp)set_onchange },
326 : { prototypes::id::ScreenOrientation },
327 : { PrototypeTraits<prototypes::id::ScreenOrientation>::Depth },
328 : JSJitInfo::Setter,
329 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
330 : JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
331 : false, /* isInfallible. False in setters. */
332 : false, /* isMovable. Not relevant for setters. */
333 : false, /* isEliminatable. Not relevant for setters. */
334 : false, /* isAlwaysInSlot. Only relevant for getters. */
335 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
336 : false, /* isTypedMethod. Only relevant for methods. */
337 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
338 : };
339 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
340 : static_assert(0 < 1, "There is no slot for us");
341 :
342 : static bool
343 0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
344 : {
345 0 : mozilla::dom::ScreenOrientation* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ScreenOrientation>(obj);
346 : // We don't want to preserve if we don't have a wrapper, and we
347 : // obviously can't preserve if we're not initialized.
348 0 : if (self && self->GetWrapperPreserveColor()) {
349 0 : PreserveWrapper(self);
350 : }
351 0 : return true;
352 : }
353 :
354 : static void
355 0 : _finalize(js::FreeOp* fop, JSObject* obj)
356 : {
357 0 : mozilla::dom::ScreenOrientation* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ScreenOrientation>(obj);
358 0 : if (self) {
359 0 : ClearWrapper(self, self, obj);
360 0 : AddForDeferredFinalization<mozilla::dom::ScreenOrientation>(self);
361 : }
362 0 : }
363 :
364 : static void
365 0 : _objectMoved(JSObject* obj, const JSObject* old)
366 : {
367 0 : mozilla::dom::ScreenOrientation* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ScreenOrientation>(obj);
368 0 : if (self) {
369 0 : UpdateWrapper(self, self, obj, old);
370 : }
371 0 : }
372 :
373 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
374 : #if defined(__clang__)
375 : #pragma clang diagnostic push
376 : #pragma clang diagnostic ignored "-Wmissing-braces"
377 : #endif
378 : static const JSFunctionSpec sMethods_specs[] = {
379 : JS_FNSPEC("lock", GenericPromiseReturningBindingMethod, reinterpret_cast<const JSJitInfo*>(&lock_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
380 : JS_FNSPEC("unlock", GenericBindingMethod, reinterpret_cast<const JSJitInfo*>(&unlock_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
381 : JS_FS_END
382 : };
383 : #if defined(__clang__)
384 : #pragma clang diagnostic pop
385 : #endif
386 :
387 :
388 : // Can't be const because the pref-enabled boolean needs to be writable
389 : static Prefable<const JSFunctionSpec> sMethods[] = {
390 : { nullptr, &sMethods_specs[0] },
391 : { nullptr, nullptr }
392 : };
393 :
394 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
395 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
396 : static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
397 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
398 :
399 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
400 : #if defined(__clang__)
401 : #pragma clang diagnostic push
402 : #pragma clang diagnostic ignored "-Wmissing-braces"
403 : #endif
404 : static const JSPropertySpec sAttributes_specs[] = {
405 : { "type", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &type_getterinfo, nullptr, nullptr },
406 : { "angle", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &angle_getterinfo, nullptr, nullptr },
407 : { "onchange", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &onchange_getterinfo, GenericBindingSetter, &onchange_setterinfo },
408 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
409 : };
410 : #if defined(__clang__)
411 : #pragma clang diagnostic pop
412 : #endif
413 :
414 :
415 : // Can't be const because the pref-enabled boolean needs to be writable
416 : static Prefable<const JSPropertySpec> sAttributes[] = {
417 : { nullptr, &sAttributes_specs[0] },
418 : { nullptr, nullptr }
419 : };
420 :
421 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
422 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
423 : static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
424 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
425 :
426 :
427 : static uint16_t sNativeProperties_sortedPropertyIndices[5];
428 : static PropertyInfo sNativeProperties_propertyInfos[5];
429 :
430 : static const NativePropertiesN<2> sNativeProperties = {
431 : false, 0,
432 : false, 0,
433 : true, 0 /* sMethods */,
434 : true, 1 /* sAttributes */,
435 : false, 0,
436 : false, 0,
437 : false, 0,
438 : -1,
439 : 5,
440 : sNativeProperties_sortedPropertyIndices,
441 : {
442 : { sMethods, &sNativeProperties_propertyInfos[0] },
443 : { sAttributes, &sNativeProperties_propertyInfos[2] }
444 : }
445 : };
446 : static_assert(5 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
447 : "We have a property info count that is oversized");
448 :
449 : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
450 : {
451 : "Function",
452 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
453 : &sBoringInterfaceObjectClassClassOps,
454 : JS_NULL_CLASS_SPEC,
455 : JS_NULL_CLASS_EXT,
456 : &sInterfaceObjectClassObjectOps
457 : },
458 : eInterface,
459 : true,
460 : prototypes::id::ScreenOrientation,
461 : PrototypeTraits<prototypes::id::ScreenOrientation>::Depth,
462 : sNativePropertyHooks,
463 : "function ScreenOrientation() {\n [native code]\n}",
464 : EventTargetBinding::GetConstructorObject
465 : };
466 :
467 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
468 : {
469 : "ScreenOrientationPrototype",
470 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
471 : JS_NULL_CLASS_OPS,
472 : JS_NULL_CLASS_SPEC,
473 : JS_NULL_CLASS_EXT,
474 : JS_NULL_OBJECT_OPS
475 : },
476 : eInterfacePrototype,
477 : false,
478 : prototypes::id::ScreenOrientation,
479 : PrototypeTraits<prototypes::id::ScreenOrientation>::Depth,
480 : sNativePropertyHooks,
481 : "[object ScreenOrientationPrototype]",
482 : EventTargetBinding::GetProtoObject
483 : };
484 :
485 : JSObject*
486 0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
487 : {
488 0 : return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
489 : }
490 :
491 : static const js::ClassOps sClassOps = {
492 : _addProperty, /* addProperty */
493 : nullptr, /* delProperty */
494 : nullptr, /* getProperty */
495 : nullptr, /* setProperty */
496 : nullptr, /* enumerate */
497 : nullptr, /* newEnumerate */
498 : nullptr, /* resolve */
499 : nullptr, /* mayResolve */
500 : _finalize, /* finalize */
501 : nullptr, /* call */
502 : nullptr, /* hasInstance */
503 : nullptr, /* construct */
504 : nullptr, /* trace */
505 : };
506 :
507 : static const js::ClassExtension sClassExtension = {
508 : nullptr, /* weakmapKeyDelegateOp */
509 : _objectMoved /* objectMovedOp */
510 : };
511 :
512 : static const DOMJSClass sClass = {
513 : { "ScreenOrientation",
514 : JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
515 : &sClassOps,
516 : JS_NULL_CLASS_SPEC,
517 : &sClassExtension,
518 : JS_NULL_OBJECT_OPS
519 : },
520 : { prototypes::id::EventTarget, prototypes::id::ScreenOrientation, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
521 : IsBaseOf<nsISupports, mozilla::dom::ScreenOrientation >::value,
522 : sNativePropertyHooks,
523 : FindAssociatedGlobalForNative<mozilla::dom::ScreenOrientation>::Get,
524 : GetProtoObjectHandle,
525 : GetCCParticipant<mozilla::dom::ScreenOrientation>::Get()
526 : };
527 : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
528 : "Must have the right minimal number of reserved slots.");
529 : static_assert(1 >= 1,
530 : "Must have enough reserved slots.");
531 :
532 : const JSClass*
533 0 : GetJSClass()
534 : {
535 0 : return sClass.ToJSClass();
536 : }
537 :
538 : bool
539 0 : Wrap(JSContext* aCx, mozilla::dom::ScreenOrientation* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
540 : {
541 : MOZ_ASSERT(static_cast<mozilla::dom::ScreenOrientation*>(aObject) ==
542 : reinterpret_cast<mozilla::dom::ScreenOrientation*>(aObject),
543 : "Multiple inheritance for mozilla::dom::ScreenOrientation is broken.");
544 : MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) ==
545 : reinterpret_cast<mozilla::dom::EventTarget*>(aObject),
546 : "Multiple inheritance for mozilla::dom::EventTarget is broken.");
547 0 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
548 0 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
549 0 : MOZ_ASSERT(!aCache->GetWrapper(),
550 : "You should probably not be using Wrap() directly; use "
551 : "GetOrCreateDOMReflector instead");
552 :
553 0 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
554 : "nsISupports must be on our primary inheritance chain");
555 :
556 0 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
557 0 : if (!global) {
558 0 : return false;
559 : }
560 0 : MOZ_ASSERT(JS_IsGlobalObject(global));
561 0 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
562 :
563 : // That might have ended up wrapping us already, due to the wonders
564 : // of XBL. Check for that, and bail out as needed.
565 0 : aReflector.set(aCache->GetWrapper());
566 0 : if (aReflector) {
567 : #ifdef DEBUG
568 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
569 : #endif // DEBUG
570 0 : return true;
571 : }
572 :
573 0 : JSAutoCompartment ac(aCx, global);
574 0 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
575 0 : if (!canonicalProto) {
576 0 : return false;
577 : }
578 0 : JS::Rooted<JSObject*> proto(aCx);
579 0 : if (aGivenProto) {
580 0 : proto = aGivenProto;
581 : // Unfortunately, while aGivenProto was in the compartment of aCx
582 : // coming in, we changed compartments to that of "parent" so may need
583 : // to wrap the proto here.
584 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
585 0 : if (!JS_WrapObject(aCx, &proto)) {
586 0 : return false;
587 : }
588 : }
589 : } else {
590 0 : proto = canonicalProto;
591 : }
592 :
593 0 : BindingJSObjectCreator<mozilla::dom::ScreenOrientation> creator(aCx);
594 0 : creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
595 0 : if (!aReflector) {
596 0 : return false;
597 : }
598 :
599 0 : aCache->SetWrapper(aReflector);
600 0 : creator.InitializationSucceeded();
601 :
602 0 : MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
603 : aCache->GetWrapperPreserveColor() == aReflector);
604 : // If proto != canonicalProto, we have to preserve our wrapper;
605 : // otherwise we won't be able to properly recreate it later, since
606 : // we won't know what proto to use. Note that we don't check
607 : // aGivenProto here, since it's entirely possible (and even
608 : // somewhat common) to have a non-null aGivenProto which is the
609 : // same as canonicalProto.
610 0 : if (proto != canonicalProto) {
611 0 : PreserveWrapper(aObject);
612 : }
613 :
614 0 : return true;
615 : }
616 :
617 : const NativePropertyHooks sNativePropertyHooks[] = { {
618 : nullptr,
619 : nullptr,
620 : nullptr,
621 : { sNativeProperties.Upcast(), nullptr },
622 : prototypes::id::ScreenOrientation,
623 : constructors::id::ScreenOrientation,
624 : EventTargetBinding::sNativePropertyHooks,
625 : &DefaultXrayExpandoObjectClass
626 : } };
627 :
628 : void
629 0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
630 : {
631 0 : JS::Handle<JSObject*> parentProto(EventTargetBinding::GetProtoObjectHandle(aCx));
632 0 : if (!parentProto) {
633 0 : return;
634 : }
635 :
636 0 : JS::Handle<JSObject*> constructorProto(EventTargetBinding::GetConstructorObjectHandle(aCx));
637 0 : if (!constructorProto) {
638 0 : return;
639 : }
640 :
641 : static bool sIdsInited = false;
642 0 : if (!sIdsInited && NS_IsMainThread()) {
643 0 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
644 0 : return;
645 : }
646 0 : sIdsInited = true;
647 : }
648 :
649 0 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::ScreenOrientation);
650 0 : JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::ScreenOrientation);
651 0 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
652 : &sPrototypeClass.mBase, protoCache,
653 : constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
654 : interfaceCache,
655 : sNativeProperties.Upcast(),
656 : nullptr,
657 : "ScreenOrientation", aDefineOnGlobal,
658 : nullptr,
659 0 : false);
660 : }
661 :
662 : JS::Handle<JSObject*>
663 0 : GetProtoObjectHandle(JSContext* aCx)
664 : {
665 : /* Get the interface prototype object for this class. This will create the
666 : object as needed. */
667 0 : bool aDefineOnGlobal = true;
668 :
669 : /* Make sure our global is sane. Hopefully we can remove this sometime */
670 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
671 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
672 0 : return nullptr;
673 : }
674 :
675 : /* Check to see whether the interface objects are already installed */
676 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
677 0 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::ScreenOrientation)) {
678 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
679 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
680 : }
681 :
682 : /*
683 : * The object might _still_ be null, but that's OK.
684 : *
685 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
686 : * traced by TraceProtoAndIfaceCache() and its contents are never
687 : * changed after they have been set.
688 : *
689 : * Calling address() avoids the read read barrier that does gray
690 : * unmarking, but it's not possible for the object to be gray here.
691 : */
692 :
693 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::ScreenOrientation);
694 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
695 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
696 : }
697 :
698 : JS::Handle<JSObject*>
699 0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
700 : {
701 : /* Get the interface object for this class. This will create the object as
702 : needed. */
703 :
704 : /* Make sure our global is sane. Hopefully we can remove this sometime */
705 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
706 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
707 0 : return nullptr;
708 : }
709 :
710 : /* Check to see whether the interface objects are already installed */
711 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
712 0 : if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::ScreenOrientation)) {
713 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
714 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
715 : }
716 :
717 : /*
718 : * The object might _still_ be null, but that's OK.
719 : *
720 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
721 : * traced by TraceProtoAndIfaceCache() and its contents are never
722 : * changed after they have been set.
723 : *
724 : * Calling address() avoids the read read barrier that does gray
725 : * unmarking, but it's not possible for the object to be gray here.
726 : */
727 :
728 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::ScreenOrientation);
729 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
730 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
731 : }
732 :
733 : JSObject*
734 0 : GetConstructorObject(JSContext* aCx)
735 : {
736 0 : return GetConstructorObjectHandle(aCx);
737 : }
738 :
739 : } // namespace ScreenOrientationBinding
740 :
741 :
742 :
743 : } // namespace dom
744 : } // namespace mozilla
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