Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM Position.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "PositionBinding.h"
4 : #include "WrapperFactory.h"
5 : #include "mozilla/OwningNonNull.h"
6 : #include "mozilla/dom/BindingUtils.h"
7 : #include "mozilla/dom/DOMJSClass.h"
8 : #include "mozilla/dom/NonRefcountedDOMObject.h"
9 : #include "mozilla/dom/PrimitiveConversions.h"
10 : #include "mozilla/dom/XrayExpandoClass.h"
11 : #include "nsGeoPosition.h"
12 :
13 : namespace mozilla {
14 : namespace dom {
15 :
16 : namespace PositionBinding {
17 :
18 : static bool
19 0 : get_coords(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::Position* self, JSJitGetterCallArgs args)
20 : {
21 0 : auto result(StrongOrRawPtr<mozilla::dom::Coordinates>(self->Coords()));
22 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
23 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
24 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
25 0 : return false;
26 : }
27 0 : return true;
28 : }
29 :
30 : static const JSJitInfo coords_getterinfo = {
31 : { (JSJitGetterOp)get_coords },
32 : { prototypes::id::Position },
33 : { PrototypeTraits<prototypes::id::Position>::Depth },
34 : JSJitInfo::Getter,
35 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
36 : JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
37 : false, /* isInfallible. False in setters. */
38 : false, /* isMovable. Not relevant for setters. */
39 : false, /* isEliminatable. Not relevant for setters. */
40 : false, /* isAlwaysInSlot. Only relevant for getters. */
41 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
42 : false, /* isTypedMethod. Only relevant for methods. */
43 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
44 : };
45 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
46 : static_assert(0 < 1, "There is no slot for us");
47 :
48 : static bool
49 0 : get_timestamp(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::Position* self, JSJitGetterCallArgs args)
50 : {
51 0 : uint64_t result(self->Timestamp());
52 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
53 0 : args.rval().set(JS_NumberValue(double(result)));
54 0 : return true;
55 : }
56 :
57 : static const JSJitInfo timestamp_getterinfo = {
58 : { (JSJitGetterOp)get_timestamp },
59 : { prototypes::id::Position },
60 : { PrototypeTraits<prototypes::id::Position>::Depth },
61 : JSJitInfo::Getter,
62 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
63 : JSVAL_TYPE_DOUBLE, /* returnType. Not relevant for setters. */
64 : true, /* isInfallible. False in setters. */
65 : false, /* isMovable. Not relevant for setters. */
66 : false, /* isEliminatable. Not relevant for setters. */
67 : false, /* isAlwaysInSlot. Only relevant for getters. */
68 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
69 : false, /* isTypedMethod. Only relevant for methods. */
70 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
71 : };
72 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
73 : static_assert(0 < 1, "There is no slot for us");
74 :
75 : static bool
76 0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
77 : {
78 0 : mozilla::dom::Position* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::Position>(obj);
79 : // We don't want to preserve if we don't have a wrapper, and we
80 : // obviously can't preserve if we're not initialized.
81 0 : if (self && self->GetWrapperPreserveColor()) {
82 0 : PreserveWrapper(self);
83 : }
84 0 : return true;
85 : }
86 :
87 : static void
88 0 : _finalize(js::FreeOp* fop, JSObject* obj)
89 : {
90 0 : mozilla::dom::Position* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::Position>(obj);
91 0 : if (self) {
92 0 : ClearWrapper(self, self, obj);
93 0 : AddForDeferredFinalization<mozilla::dom::Position>(self);
94 : }
95 0 : }
96 :
97 : static void
98 0 : _objectMoved(JSObject* obj, const JSObject* old)
99 : {
100 0 : mozilla::dom::Position* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::Position>(obj);
101 0 : if (self) {
102 0 : UpdateWrapper(self, self, obj, old);
103 : }
104 0 : }
105 :
106 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
107 : #if defined(__clang__)
108 : #pragma clang diagnostic push
109 : #pragma clang diagnostic ignored "-Wmissing-braces"
110 : #endif
111 : static const JSPropertySpec sAttributes_specs[] = {
112 : { "coords", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &coords_getterinfo, nullptr, nullptr },
113 : { "timestamp", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, ×tamp_getterinfo, nullptr, nullptr },
114 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
115 : };
116 : #if defined(__clang__)
117 : #pragma clang diagnostic pop
118 : #endif
119 :
120 :
121 : // Can't be const because the pref-enabled boolean needs to be writable
122 : static Prefable<const JSPropertySpec> sAttributes[] = {
123 : { nullptr, &sAttributes_specs[0] },
124 : { nullptr, nullptr }
125 : };
126 :
127 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
128 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
129 : static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
130 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
131 :
132 :
133 : static uint16_t sNativeProperties_sortedPropertyIndices[2];
134 : static PropertyInfo sNativeProperties_propertyInfos[2];
135 :
136 : static const NativePropertiesN<1> sNativeProperties = {
137 : false, 0,
138 : false, 0,
139 : false, 0,
140 : true, 0 /* sAttributes */,
141 : false, 0,
142 : false, 0,
143 : false, 0,
144 : -1,
145 : 2,
146 : sNativeProperties_sortedPropertyIndices,
147 : {
148 : { sAttributes, &sNativeProperties_propertyInfos[0] }
149 : }
150 : };
151 : static_assert(2 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
152 : "We have a property info count that is oversized");
153 :
154 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
155 : {
156 : "PositionPrototype",
157 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
158 : JS_NULL_CLASS_OPS,
159 : JS_NULL_CLASS_SPEC,
160 : JS_NULL_CLASS_EXT,
161 : JS_NULL_OBJECT_OPS
162 : },
163 : eInterfacePrototype,
164 : false,
165 : prototypes::id::Position,
166 : PrototypeTraits<prototypes::id::Position>::Depth,
167 : sNativePropertyHooks,
168 : "[object PositionPrototype]",
169 : JS::GetRealmObjectPrototype
170 : };
171 :
172 : static const js::ClassOps sClassOps = {
173 : _addProperty, /* addProperty */
174 : nullptr, /* delProperty */
175 : nullptr, /* getProperty */
176 : nullptr, /* setProperty */
177 : nullptr, /* enumerate */
178 : nullptr, /* newEnumerate */
179 : nullptr, /* resolve */
180 : nullptr, /* mayResolve */
181 : _finalize, /* finalize */
182 : nullptr, /* call */
183 : nullptr, /* hasInstance */
184 : nullptr, /* construct */
185 : nullptr, /* trace */
186 : };
187 :
188 : static const js::ClassExtension sClassExtension = {
189 : nullptr, /* weakmapKeyDelegateOp */
190 : _objectMoved /* objectMovedOp */
191 : };
192 :
193 : static const DOMJSClass sClass = {
194 : { "Position",
195 : JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
196 : &sClassOps,
197 : JS_NULL_CLASS_SPEC,
198 : &sClassExtension,
199 : JS_NULL_OBJECT_OPS
200 : },
201 : { prototypes::id::Position, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
202 : IsBaseOf<nsISupports, mozilla::dom::Position >::value,
203 : sNativePropertyHooks,
204 : FindAssociatedGlobalForNative<mozilla::dom::Position>::Get,
205 : GetProtoObjectHandle,
206 : GetCCParticipant<mozilla::dom::Position>::Get()
207 : };
208 : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
209 : "Must have the right minimal number of reserved slots.");
210 : static_assert(1 >= 1,
211 : "Must have enough reserved slots.");
212 :
213 : const JSClass*
214 0 : GetJSClass()
215 : {
216 0 : return sClass.ToJSClass();
217 : }
218 :
219 : bool
220 0 : Wrap(JSContext* aCx, mozilla::dom::Position* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
221 : {
222 : MOZ_ASSERT(static_cast<mozilla::dom::Position*>(aObject) ==
223 : reinterpret_cast<mozilla::dom::Position*>(aObject),
224 : "Multiple inheritance for mozilla::dom::Position is broken.");
225 0 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
226 0 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
227 0 : MOZ_ASSERT(!aCache->GetWrapper(),
228 : "You should probably not be using Wrap() directly; use "
229 : "GetOrCreateDOMReflector instead");
230 :
231 0 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
232 : "nsISupports must be on our primary inheritance chain");
233 :
234 0 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
235 0 : if (!global) {
236 0 : return false;
237 : }
238 0 : MOZ_ASSERT(JS_IsGlobalObject(global));
239 0 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
240 :
241 : // That might have ended up wrapping us already, due to the wonders
242 : // of XBL. Check for that, and bail out as needed.
243 0 : aReflector.set(aCache->GetWrapper());
244 0 : if (aReflector) {
245 : #ifdef DEBUG
246 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
247 : #endif // DEBUG
248 0 : return true;
249 : }
250 :
251 0 : JSAutoCompartment ac(aCx, global);
252 0 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
253 0 : if (!canonicalProto) {
254 0 : return false;
255 : }
256 0 : JS::Rooted<JSObject*> proto(aCx);
257 0 : if (aGivenProto) {
258 0 : proto = aGivenProto;
259 : // Unfortunately, while aGivenProto was in the compartment of aCx
260 : // coming in, we changed compartments to that of "parent" so may need
261 : // to wrap the proto here.
262 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
263 0 : if (!JS_WrapObject(aCx, &proto)) {
264 0 : return false;
265 : }
266 : }
267 : } else {
268 0 : proto = canonicalProto;
269 : }
270 :
271 0 : BindingJSObjectCreator<mozilla::dom::Position> creator(aCx);
272 0 : creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
273 0 : if (!aReflector) {
274 0 : return false;
275 : }
276 :
277 0 : aCache->SetWrapper(aReflector);
278 0 : creator.InitializationSucceeded();
279 :
280 0 : MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
281 : aCache->GetWrapperPreserveColor() == aReflector);
282 : // If proto != canonicalProto, we have to preserve our wrapper;
283 : // otherwise we won't be able to properly recreate it later, since
284 : // we won't know what proto to use. Note that we don't check
285 : // aGivenProto here, since it's entirely possible (and even
286 : // somewhat common) to have a non-null aGivenProto which is the
287 : // same as canonicalProto.
288 0 : if (proto != canonicalProto) {
289 0 : PreserveWrapper(aObject);
290 : }
291 :
292 0 : return true;
293 : }
294 :
295 : const NativePropertyHooks sNativePropertyHooks[] = { {
296 : nullptr,
297 : nullptr,
298 : nullptr,
299 : { sNativeProperties.Upcast(), nullptr },
300 : prototypes::id::Position,
301 : constructors::id::_ID_Count,
302 : nullptr,
303 : &DefaultXrayExpandoObjectClass
304 : } };
305 :
306 : void
307 0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
308 : {
309 0 : JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
310 0 : if (!parentProto) {
311 0 : return;
312 : }
313 :
314 : static bool sIdsInited = false;
315 0 : if (!sIdsInited && NS_IsMainThread()) {
316 0 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
317 0 : return;
318 : }
319 0 : sIdsInited = true;
320 : }
321 :
322 0 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::Position);
323 0 : JS::Heap<JSObject*>* interfaceCache = nullptr;
324 0 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
325 : &sPrototypeClass.mBase, protoCache,
326 : nullptr, nullptr, 0, nullptr,
327 : interfaceCache,
328 : sNativeProperties.Upcast(),
329 : nullptr,
330 : nullptr, aDefineOnGlobal,
331 : nullptr,
332 0 : false);
333 : }
334 :
335 : JS::Handle<JSObject*>
336 0 : GetProtoObjectHandle(JSContext* aCx)
337 : {
338 : /* Get the interface prototype object for this class. This will create the
339 : object as needed. */
340 0 : bool aDefineOnGlobal = true;
341 :
342 : /* Make sure our global is sane. Hopefully we can remove this sometime */
343 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
344 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
345 0 : return nullptr;
346 : }
347 :
348 : /* Check to see whether the interface objects are already installed */
349 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
350 0 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::Position)) {
351 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
352 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
353 : }
354 :
355 : /*
356 : * The object might _still_ be null, but that's OK.
357 : *
358 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
359 : * traced by TraceProtoAndIfaceCache() and its contents are never
360 : * changed after they have been set.
361 : *
362 : * Calling address() avoids the read read barrier that does gray
363 : * unmarking, but it's not possible for the object to be gray here.
364 : */
365 :
366 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::Position);
367 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
368 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
369 : }
370 :
371 : } // namespace PositionBinding
372 :
373 :
374 :
375 : } // namespace dom
376 : } // namespace mozilla
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