| 1 | /* |
| 2 | This file is part of the WebKit open source project. |
| 3 | This file has been generated by generate-bindings.pl. DO NOT MODIFY! |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Library General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2 of the License, or (at your option) any later version. |
| 9 | |
| 10 | This library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Library General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Library General Public License |
| 16 | along with this library; see the file COPYING.LIB. If not, write to |
| 17 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 18 | Boston, MA 02110-1301, USA. |
| 19 | */ |
| 20 | |
| 21 | #include "config.h" |
| 22 | |
| 23 | #if ENABLE(MEDIA_STREAM) |
| 24 | |
| 25 | #include "JSMediaDevices.h" |
| 26 | |
| 27 | #include "EventNames.h" |
| 28 | #include "JSDOMAttribute.h" |
| 29 | #include "JSDOMBinding.h" |
| 30 | #include "JSDOMConstructorNotConstructable.h" |
| 31 | #include "JSDOMConvertBoolean.h" |
| 32 | #include "JSDOMConvertUnion.h" |
| 33 | #include "JSDOMExceptionHandling.h" |
| 34 | #include "JSDOMGlobalObject.h" |
| 35 | #include "JSDOMOperation.h" |
| 36 | #include "JSDOMOperationReturningPromise.h" |
| 37 | #include "JSDOMWrapperCache.h" |
| 38 | #include "JSEventListener.h" |
| 39 | #include "JSMediaTrackConstraints.h" |
| 40 | #include "JSMediaTrackSupportedConstraints.h" |
| 41 | #include "RuntimeEnabledFeatures.h" |
| 42 | #include "ScriptExecutionContext.h" |
| 43 | #include "WebCoreJSClientData.h" |
| 44 | #include <JavaScriptCore/HeapSnapshotBuilder.h> |
| 45 | #include <JavaScriptCore/JSCInlines.h> |
| 46 | #include <JavaScriptCore/JSString.h> |
| 47 | #include <wtf/GetPtr.h> |
| 48 | #include <wtf/PointerPreparations.h> |
| 49 | #include <wtf/URL.h> |
| 50 | #include <wtf/Variant.h> |
| 51 | |
| 52 | |
| 53 | namespace WebCore { |
| 54 | using namespace JSC; |
| 55 | |
| 56 | #if ENABLE(MEDIA_STREAM) |
| 57 | |
| 58 | String convertEnumerationToString(MediaDevices::DisplayCaptureSurfaceType enumerationValue) |
| 59 | { |
| 60 | static const NeverDestroyed<String> values[] = { |
| 61 | MAKE_STATIC_STRING_IMPL("monitor" ), |
| 62 | MAKE_STATIC_STRING_IMPL("window" ), |
| 63 | MAKE_STATIC_STRING_IMPL("application" ), |
| 64 | MAKE_STATIC_STRING_IMPL("browser" ), |
| 65 | }; |
| 66 | static_assert(static_cast<size_t>(MediaDevices::DisplayCaptureSurfaceType::Monitor) == 0, "MediaDevices::DisplayCaptureSurfaceType::Monitor is not 0 as expected" ); |
| 67 | static_assert(static_cast<size_t>(MediaDevices::DisplayCaptureSurfaceType::Window) == 1, "MediaDevices::DisplayCaptureSurfaceType::Window is not 1 as expected" ); |
| 68 | static_assert(static_cast<size_t>(MediaDevices::DisplayCaptureSurfaceType::Application) == 2, "MediaDevices::DisplayCaptureSurfaceType::Application is not 2 as expected" ); |
| 69 | static_assert(static_cast<size_t>(MediaDevices::DisplayCaptureSurfaceType::Browser) == 3, "MediaDevices::DisplayCaptureSurfaceType::Browser is not 3 as expected" ); |
| 70 | ASSERT(static_cast<size_t>(enumerationValue) < WTF_ARRAY_LENGTH(values)); |
| 71 | return values[static_cast<size_t>(enumerationValue)]; |
| 72 | } |
| 73 | |
| 74 | template<> JSString* convertEnumerationToJS(ExecState& state, MediaDevices::DisplayCaptureSurfaceType enumerationValue) |
| 75 | { |
| 76 | return jsStringWithCache(&state, convertEnumerationToString(enumerationValue)); |
| 77 | } |
| 78 | |
| 79 | template<> Optional<MediaDevices::DisplayCaptureSurfaceType> parseEnumeration<MediaDevices::DisplayCaptureSurfaceType>(ExecState& state, JSValue value) |
| 80 | { |
| 81 | auto stringValue = value.toWTFString(&state); |
| 82 | if (stringValue == "monitor" ) |
| 83 | return MediaDevices::DisplayCaptureSurfaceType::Monitor; |
| 84 | if (stringValue == "window" ) |
| 85 | return MediaDevices::DisplayCaptureSurfaceType::Window; |
| 86 | if (stringValue == "application" ) |
| 87 | return MediaDevices::DisplayCaptureSurfaceType::Application; |
| 88 | if (stringValue == "browser" ) |
| 89 | return MediaDevices::DisplayCaptureSurfaceType::Browser; |
| 90 | return WTF::nullopt; |
| 91 | } |
| 92 | |
| 93 | template<> const char* expectedEnumerationValues<MediaDevices::DisplayCaptureSurfaceType>() |
| 94 | { |
| 95 | return "\"monitor\", \"window\", \"application\", \"browser\"" ; |
| 96 | } |
| 97 | |
| 98 | #endif |
| 99 | |
| 100 | #if ENABLE(MEDIA_STREAM) |
| 101 | |
| 102 | template<> MediaDevices::StreamConstraints convertDictionary<MediaDevices::StreamConstraints>(ExecState& state, JSValue value) |
| 103 | { |
| 104 | VM& vm = state.vm(); |
| 105 | auto throwScope = DECLARE_THROW_SCOPE(vm); |
| 106 | bool isNullOrUndefined = value.isUndefinedOrNull(); |
| 107 | auto* object = isNullOrUndefined ? nullptr : value.getObject(); |
| 108 | if (UNLIKELY(!isNullOrUndefined && !object)) { |
| 109 | throwTypeError(&state, throwScope); |
| 110 | return { }; |
| 111 | } |
| 112 | MediaDevices::StreamConstraints result; |
| 113 | JSValue audioValue; |
| 114 | if (isNullOrUndefined) |
| 115 | audioValue = jsUndefined(); |
| 116 | else { |
| 117 | audioValue = object->get(&state, Identifier::fromString(&state, "audio" )); |
| 118 | RETURN_IF_EXCEPTION(throwScope, { }); |
| 119 | } |
| 120 | if (!audioValue.isUndefined()) { |
| 121 | result.audio = convert<IDLUnion<IDLBoolean, IDLDictionary<MediaTrackConstraints>>>(state, audioValue); |
| 122 | RETURN_IF_EXCEPTION(throwScope, { }); |
| 123 | } else |
| 124 | result.audio = false; |
| 125 | JSValue videoValue; |
| 126 | if (isNullOrUndefined) |
| 127 | videoValue = jsUndefined(); |
| 128 | else { |
| 129 | videoValue = object->get(&state, Identifier::fromString(&state, "video" )); |
| 130 | RETURN_IF_EXCEPTION(throwScope, { }); |
| 131 | } |
| 132 | if (!videoValue.isUndefined()) { |
| 133 | result.video = convert<IDLUnion<IDLBoolean, IDLDictionary<MediaTrackConstraints>>>(state, videoValue); |
| 134 | RETURN_IF_EXCEPTION(throwScope, { }); |
| 135 | } else |
| 136 | result.video = false; |
| 137 | return result; |
| 138 | } |
| 139 | |
| 140 | #endif |
| 141 | |
| 142 | // Functions |
| 143 | |
| 144 | JSC::EncodedJSValue JSC_HOST_CALL jsMediaDevicesPrototypeFunctionEnumerateDevices(JSC::ExecState*); |
| 145 | JSC::EncodedJSValue JSC_HOST_CALL jsMediaDevicesPrototypeFunctionGetSupportedConstraints(JSC::ExecState*); |
| 146 | JSC::EncodedJSValue JSC_HOST_CALL jsMediaDevicesPrototypeFunctionGetUserMedia(JSC::ExecState*); |
| 147 | JSC::EncodedJSValue JSC_HOST_CALL jsMediaDevicesPrototypeFunctionGetDisplayMedia(JSC::ExecState*); |
| 148 | |
| 149 | // Attributes |
| 150 | |
| 151 | JSC::EncodedJSValue jsMediaDevicesConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName); |
| 152 | bool setJSMediaDevicesConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue); |
| 153 | JSC::EncodedJSValue jsMediaDevicesOndevicechange(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName); |
| 154 | bool setJSMediaDevicesOndevicechange(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue); |
| 155 | |
| 156 | class JSMediaDevicesPrototype : public JSC::JSNonFinalObject { |
| 157 | public: |
| 158 | using Base = JSC::JSNonFinalObject; |
| 159 | static JSMediaDevicesPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure) |
| 160 | { |
| 161 | JSMediaDevicesPrototype* ptr = new (NotNull, JSC::allocateCell<JSMediaDevicesPrototype>(vm.heap)) JSMediaDevicesPrototype(vm, globalObject, structure); |
| 162 | ptr->finishCreation(vm); |
| 163 | return ptr; |
| 164 | } |
| 165 | |
| 166 | DECLARE_INFO; |
| 167 | static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype) |
| 168 | { |
| 169 | return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info()); |
| 170 | } |
| 171 | |
| 172 | private: |
| 173 | JSMediaDevicesPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure) |
| 174 | : JSC::JSNonFinalObject(vm, structure) |
| 175 | { |
| 176 | } |
| 177 | |
| 178 | void finishCreation(JSC::VM&); |
| 179 | }; |
| 180 | |
| 181 | using JSMediaDevicesConstructor = JSDOMConstructorNotConstructable<JSMediaDevices>; |
| 182 | |
| 183 | template<> JSValue JSMediaDevicesConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject) |
| 184 | { |
| 185 | return JSEventTarget::getConstructor(vm, &globalObject); |
| 186 | } |
| 187 | |
| 188 | template<> void JSMediaDevicesConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject) |
| 189 | { |
| 190 | putDirect(vm, vm.propertyNames->prototype, JSMediaDevices::prototype(vm, globalObject), JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); |
| 191 | putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String("MediaDevices"_s )), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); |
| 192 | putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); |
| 193 | } |
| 194 | |
| 195 | template<> const ClassInfo JSMediaDevicesConstructor::s_info = { "MediaDevices" , &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSMediaDevicesConstructor) }; |
| 196 | |
| 197 | /* Hash table for prototype */ |
| 198 | |
| 199 | static const HashTableValue JSMediaDevicesPrototypeTableValues[] = |
| 200 | { |
| 201 | { "constructor" , static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsMediaDevicesConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSMediaDevicesConstructor) } }, |
| 202 | { "ondevicechange" , static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsMediaDevicesOndevicechange), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSMediaDevicesOndevicechange) } }, |
| 203 | { "enumerateDevices" , static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsMediaDevicesPrototypeFunctionEnumerateDevices), (intptr_t) (0) } }, |
| 204 | { "getSupportedConstraints" , static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsMediaDevicesPrototypeFunctionGetSupportedConstraints), (intptr_t) (0) } }, |
| 205 | { "getUserMedia" , static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsMediaDevicesPrototypeFunctionGetUserMedia), (intptr_t) (0) } }, |
| 206 | { "getDisplayMedia" , static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsMediaDevicesPrototypeFunctionGetDisplayMedia), (intptr_t) (0) } }, |
| 207 | }; |
| 208 | |
| 209 | const ClassInfo JSMediaDevicesPrototype::s_info = { "MediaDevicesPrototype" , &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSMediaDevicesPrototype) }; |
| 210 | |
| 211 | void JSMediaDevicesPrototype::finishCreation(VM& vm) |
| 212 | { |
| 213 | Base::finishCreation(vm); |
| 214 | reifyStaticProperties(vm, JSMediaDevices::info(), JSMediaDevicesPrototypeTableValues, *this); |
| 215 | bool hasDisabledRuntimeProperties = false; |
| 216 | if (!RuntimeEnabledFeatures::sharedFeatures().screenCaptureEnabled()) { |
| 217 | hasDisabledRuntimeProperties = true; |
| 218 | auto propertyName = Identifier::fromString(&vm, reinterpret_cast<const LChar*>("getDisplayMedia" ), strlen("getDisplayMedia" )); |
| 219 | VM::DeletePropertyModeScope scope(vm, VM::DeletePropertyMode::IgnoreConfigurable); |
| 220 | JSObject::deleteProperty(this, globalObject()->globalExec(), propertyName); |
| 221 | } |
| 222 | if (hasDisabledRuntimeProperties && structure()->isDictionary()) |
| 223 | flattenDictionaryObject(vm); |
| 224 | putDirect(vm, static_cast<JSVMClientData*>(vm.clientData)->builtinNames().getUserMediaPrivateName(), JSFunction::create(vm, globalObject(), 0, String(), jsMediaDevicesPrototypeFunctionGetUserMedia), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); |
| 225 | } |
| 226 | |
| 227 | const ClassInfo JSMediaDevices::s_info = { "MediaDevices" , &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSMediaDevices) }; |
| 228 | |
| 229 | JSMediaDevices::JSMediaDevices(Structure* structure, JSDOMGlobalObject& globalObject, Ref<MediaDevices>&& impl) |
| 230 | : JSEventTarget(structure, globalObject, WTFMove(impl)) |
| 231 | { |
| 232 | } |
| 233 | |
| 234 | void JSMediaDevices::finishCreation(VM& vm) |
| 235 | { |
| 236 | Base::finishCreation(vm); |
| 237 | ASSERT(inherits(vm, info())); |
| 238 | |
| 239 | } |
| 240 | |
| 241 | JSObject* JSMediaDevices::createPrototype(VM& vm, JSDOMGlobalObject& globalObject) |
| 242 | { |
| 243 | return JSMediaDevicesPrototype::create(vm, &globalObject, JSMediaDevicesPrototype::createStructure(vm, &globalObject, JSEventTarget::prototype(vm, globalObject))); |
| 244 | } |
| 245 | |
| 246 | JSObject* JSMediaDevices::prototype(VM& vm, JSDOMGlobalObject& globalObject) |
| 247 | { |
| 248 | return getDOMPrototype<JSMediaDevices>(vm, globalObject); |
| 249 | } |
| 250 | |
| 251 | JSValue JSMediaDevices::getConstructor(VM& vm, const JSGlobalObject* globalObject) |
| 252 | { |
| 253 | return getDOMConstructor<JSMediaDevicesConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject)); |
| 254 | } |
| 255 | |
| 256 | template<> inline JSMediaDevices* IDLAttribute<JSMediaDevices>::cast(ExecState& state, EncodedJSValue thisValue) |
| 257 | { |
| 258 | return jsDynamicCast<JSMediaDevices*>(state.vm(), JSValue::decode(thisValue)); |
| 259 | } |
| 260 | |
| 261 | template<> inline JSMediaDevices* IDLOperation<JSMediaDevices>::cast(ExecState& state) |
| 262 | { |
| 263 | return jsDynamicCast<JSMediaDevices*>(state.vm(), state.thisValue()); |
| 264 | } |
| 265 | |
| 266 | EncodedJSValue jsMediaDevicesConstructor(ExecState* state, EncodedJSValue thisValue, PropertyName) |
| 267 | { |
| 268 | VM& vm = state->vm(); |
| 269 | auto throwScope = DECLARE_THROW_SCOPE(vm); |
| 270 | auto* prototype = jsDynamicCast<JSMediaDevicesPrototype*>(vm, JSValue::decode(thisValue)); |
| 271 | if (UNLIKELY(!prototype)) |
| 272 | return throwVMTypeError(state, throwScope); |
| 273 | return JSValue::encode(JSMediaDevices::getConstructor(state->vm(), prototype->globalObject())); |
| 274 | } |
| 275 | |
| 276 | bool setJSMediaDevicesConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue) |
| 277 | { |
| 278 | VM& vm = state->vm(); |
| 279 | auto throwScope = DECLARE_THROW_SCOPE(vm); |
| 280 | auto* prototype = jsDynamicCast<JSMediaDevicesPrototype*>(vm, JSValue::decode(thisValue)); |
| 281 | if (UNLIKELY(!prototype)) { |
| 282 | throwVMTypeError(state, throwScope); |
| 283 | return false; |
| 284 | } |
| 285 | // Shadowing a built-in constructor |
| 286 | return prototype->putDirect(vm, vm.propertyNames->constructor, JSValue::decode(encodedValue)); |
| 287 | } |
| 288 | |
| 289 | static inline JSValue jsMediaDevicesOndevicechangeGetter(ExecState& state, JSMediaDevices& thisObject, ThrowScope& throwScope) |
| 290 | { |
| 291 | UNUSED_PARAM(throwScope); |
| 292 | UNUSED_PARAM(state); |
| 293 | return eventHandlerAttribute(thisObject.wrapped(), eventNames().devicechangeEvent, worldForDOMObject(thisObject)); |
| 294 | } |
| 295 | |
| 296 | EncodedJSValue jsMediaDevicesOndevicechange(ExecState* state, EncodedJSValue thisValue, PropertyName) |
| 297 | { |
| 298 | return IDLAttribute<JSMediaDevices>::get<jsMediaDevicesOndevicechangeGetter, CastedThisErrorBehavior::Assert>(*state, thisValue, "ondevicechange" ); |
| 299 | } |
| 300 | |
| 301 | static inline bool setJSMediaDevicesOndevicechangeSetter(ExecState& state, JSMediaDevices& thisObject, JSValue value, ThrowScope& throwScope) |
| 302 | { |
| 303 | UNUSED_PARAM(throwScope); |
| 304 | setEventHandlerAttribute(state, thisObject, thisObject.wrapped(), eventNames().devicechangeEvent, value); |
| 305 | return true; |
| 306 | } |
| 307 | |
| 308 | bool setJSMediaDevicesOndevicechange(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue) |
| 309 | { |
| 310 | return IDLAttribute<JSMediaDevices>::set<setJSMediaDevicesOndevicechangeSetter>(*state, thisValue, encodedValue, "ondevicechange" ); |
| 311 | } |
| 312 | |
| 313 | static inline JSC::EncodedJSValue jsMediaDevicesPrototypeFunctionEnumerateDevicesBody(JSC::ExecState* state, typename IDLOperationReturningPromise<JSMediaDevices>::ClassParameter castedThis, Ref<DeferredPromise>&& promise, JSC::ThrowScope& throwScope) |
| 314 | { |
| 315 | UNUSED_PARAM(state); |
| 316 | UNUSED_PARAM(throwScope); |
| 317 | auto& impl = castedThis->wrapped(); |
| 318 | impl.enumerateDevices(WTFMove(promise)); |
| 319 | return JSValue::encode(jsUndefined()); |
| 320 | } |
| 321 | |
| 322 | EncodedJSValue JSC_HOST_CALL jsMediaDevicesPrototypeFunctionEnumerateDevices(ExecState* state) |
| 323 | { |
| 324 | return IDLOperationReturningPromise<JSMediaDevices>::call<jsMediaDevicesPrototypeFunctionEnumerateDevicesBody, PromiseExecutionScope::WindowOnly>(*state, "enumerateDevices" ); |
| 325 | } |
| 326 | |
| 327 | static inline JSC::EncodedJSValue jsMediaDevicesPrototypeFunctionGetSupportedConstraintsBody(JSC::ExecState* state, typename IDLOperation<JSMediaDevices>::ClassParameter castedThis, JSC::ThrowScope& throwScope) |
| 328 | { |
| 329 | UNUSED_PARAM(state); |
| 330 | UNUSED_PARAM(throwScope); |
| 331 | auto& impl = castedThis->wrapped(); |
| 332 | return JSValue::encode(toJS<IDLDictionary<MediaTrackSupportedConstraints>>(*state, *castedThis->globalObject(), impl.getSupportedConstraints())); |
| 333 | } |
| 334 | |
| 335 | EncodedJSValue JSC_HOST_CALL jsMediaDevicesPrototypeFunctionGetSupportedConstraints(ExecState* state) |
| 336 | { |
| 337 | return IDLOperation<JSMediaDevices>::call<jsMediaDevicesPrototypeFunctionGetSupportedConstraintsBody>(*state, "getSupportedConstraints" ); |
| 338 | } |
| 339 | |
| 340 | static inline JSC::EncodedJSValue jsMediaDevicesPrototypeFunctionGetUserMediaBody(JSC::ExecState* state, typename IDLOperationReturningPromise<JSMediaDevices>::ClassParameter castedThis, Ref<DeferredPromise>&& promise, JSC::ThrowScope& throwScope) |
| 341 | { |
| 342 | UNUSED_PARAM(state); |
| 343 | UNUSED_PARAM(throwScope); |
| 344 | auto& impl = castedThis->wrapped(); |
| 345 | auto constraints = convert<IDLDictionary<MediaDevices::StreamConstraints>>(*state, state->argument(0)); |
| 346 | RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); |
| 347 | impl.getUserMedia(WTFMove(constraints), WTFMove(promise)); |
| 348 | return JSValue::encode(jsUndefined()); |
| 349 | } |
| 350 | |
| 351 | EncodedJSValue JSC_HOST_CALL jsMediaDevicesPrototypeFunctionGetUserMedia(ExecState* state) |
| 352 | { |
| 353 | return IDLOperationReturningPromise<JSMediaDevices>::call<jsMediaDevicesPrototypeFunctionGetUserMediaBody, PromiseExecutionScope::WindowOnly>(*state, "getUserMedia" ); |
| 354 | } |
| 355 | |
| 356 | static inline JSC::EncodedJSValue jsMediaDevicesPrototypeFunctionGetDisplayMediaBody(JSC::ExecState* state, typename IDLOperationReturningPromise<JSMediaDevices>::ClassParameter castedThis, Ref<DeferredPromise>&& promise, JSC::ThrowScope& throwScope) |
| 357 | { |
| 358 | UNUSED_PARAM(state); |
| 359 | UNUSED_PARAM(throwScope); |
| 360 | auto& impl = castedThis->wrapped(); |
| 361 | auto constraints = convert<IDLDictionary<MediaDevices::StreamConstraints>>(*state, state->argument(0)); |
| 362 | RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); |
| 363 | impl.getDisplayMedia(WTFMove(constraints), WTFMove(promise)); |
| 364 | return JSValue::encode(jsUndefined()); |
| 365 | } |
| 366 | |
| 367 | EncodedJSValue JSC_HOST_CALL jsMediaDevicesPrototypeFunctionGetDisplayMedia(ExecState* state) |
| 368 | { |
| 369 | return IDLOperationReturningPromise<JSMediaDevices>::call<jsMediaDevicesPrototypeFunctionGetDisplayMediaBody, PromiseExecutionScope::WindowOnly>(*state, "getDisplayMedia" ); |
| 370 | } |
| 371 | |
| 372 | void JSMediaDevices::heapSnapshot(JSCell* cell, HeapSnapshotBuilder& builder) |
| 373 | { |
| 374 | auto* thisObject = jsCast<JSMediaDevices*>(cell); |
| 375 | builder.setWrappedObjectForCell(cell, &thisObject->wrapped()); |
| 376 | if (thisObject->scriptExecutionContext()) |
| 377 | builder.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string()); |
| 378 | Base::heapSnapshot(cell, builder); |
| 379 | } |
| 380 | |
| 381 | bool JSMediaDevicesOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor, const char** reason) |
| 382 | { |
| 383 | auto* jsMediaDevices = jsCast<JSMediaDevices*>(handle.slot()->asCell()); |
| 384 | if (jsMediaDevices->wrapped().hasPendingActivity()) { |
| 385 | if (UNLIKELY(reason)) |
| 386 | *reason = "ActiveDOMObject with pending activity" ; |
| 387 | return true; |
| 388 | } |
| 389 | if (jsMediaDevices->wrapped().isFiringEventListeners()) { |
| 390 | if (UNLIKELY(reason)) |
| 391 | *reason = "EventTarget firing event listeners" ; |
| 392 | return true; |
| 393 | } |
| 394 | UNUSED_PARAM(visitor); |
| 395 | UNUSED_PARAM(reason); |
| 396 | return false; |
| 397 | } |
| 398 | |
| 399 | void JSMediaDevicesOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context) |
| 400 | { |
| 401 | auto* jsMediaDevices = static_cast<JSMediaDevices*>(handle.slot()->asCell()); |
| 402 | auto& world = *static_cast<DOMWrapperWorld*>(context); |
| 403 | uncacheWrapper(world, &jsMediaDevices->wrapped(), jsMediaDevices); |
| 404 | } |
| 405 | |
| 406 | #if ENABLE(BINDING_INTEGRITY) |
| 407 | #if PLATFORM(WIN) |
| 408 | #pragma warning(disable: 4483) |
| 409 | extern "C" { extern void (*const __identifier("??_7MediaDevices@WebCore@@6B@" )[])(); } |
| 410 | #else |
| 411 | extern "C" { extern void* _ZTVN7WebCore12MediaDevicesE[]; } |
| 412 | #endif |
| 413 | #endif |
| 414 | |
| 415 | JSC::JSValue toJSNewlyCreated(JSC::ExecState*, JSDOMGlobalObject* globalObject, Ref<MediaDevices>&& impl) |
| 416 | { |
| 417 | |
| 418 | #if ENABLE(BINDING_INTEGRITY) |
| 419 | void* actualVTablePointer = *(reinterpret_cast<void**>(impl.ptr())); |
| 420 | #if PLATFORM(WIN) |
| 421 | void* expectedVTablePointer = WTF_PREPARE_VTBL_POINTER_FOR_INSPECTION(__identifier("??_7MediaDevices@WebCore@@6B@" )); |
| 422 | #else |
| 423 | void* expectedVTablePointer = WTF_PREPARE_VTBL_POINTER_FOR_INSPECTION(&_ZTVN7WebCore12MediaDevicesE[2]); |
| 424 | #endif |
| 425 | |
| 426 | // If this fails MediaDevices does not have a vtable, so you need to add the |
| 427 | // ImplementationLacksVTable attribute to the interface definition |
| 428 | static_assert(std::is_polymorphic<MediaDevices>::value, "MediaDevices is not polymorphic" ); |
| 429 | |
| 430 | // If you hit this assertion you either have a use after free bug, or |
| 431 | // MediaDevices has subclasses. If MediaDevices has subclasses that get passed |
| 432 | // to toJS() we currently require MediaDevices you to opt out of binding hardening |
| 433 | // by adding the SkipVTableValidation attribute to the interface IDL definition |
| 434 | RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer); |
| 435 | #endif |
| 436 | return createWrapper<MediaDevices>(globalObject, WTFMove(impl)); |
| 437 | } |
| 438 | |
| 439 | JSC::JSValue toJS(JSC::ExecState* state, JSDOMGlobalObject* globalObject, MediaDevices& impl) |
| 440 | { |
| 441 | return wrap(state, globalObject, impl); |
| 442 | } |
| 443 | |
| 444 | MediaDevices* JSMediaDevices::toWrapped(JSC::VM& vm, JSC::JSValue value) |
| 445 | { |
| 446 | if (auto* wrapper = jsDynamicCast<JSMediaDevices*>(vm, value)) |
| 447 | return &wrapper->wrapped(); |
| 448 | return nullptr; |
| 449 | } |
| 450 | |
| 451 | } |
| 452 | |
| 453 | #endif // ENABLE(MEDIA_STREAM) |
| 454 | |