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(CHANNEL_MESSAGING)
24
25#include "JSMessageChannel.h"
26
27#include "JSDOMAttribute.h"
28#include "JSDOMBinding.h"
29#include "JSDOMConstructor.h"
30#include "JSDOMConvertInterface.h"
31#include "JSDOMExceptionHandling.h"
32#include "JSDOMGlobalObject.h"
33#include "JSDOMWrapperCache.h"
34#include "JSMessagePort.h"
35#include "ScriptExecutionContext.h"
36#include <JavaScriptCore/FunctionPrototype.h>
37#include <JavaScriptCore/HeapSnapshotBuilder.h>
38#include <JavaScriptCore/JSCInlines.h>
39#include <wtf/GetPtr.h>
40#include <wtf/PointerPreparations.h>
41#include <wtf/URL.h>
42
43
44namespace WebCore {
45using namespace JSC;
46
47// Attributes
48
49JSC::EncodedJSValue jsMessageChannelConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
50bool setJSMessageChannelConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
51JSC::EncodedJSValue jsMessageChannelPort1(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
52JSC::EncodedJSValue jsMessageChannelPort2(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
53
54class JSMessageChannelPrototype : public JSC::JSNonFinalObject {
55public:
56 using Base = JSC::JSNonFinalObject;
57 static JSMessageChannelPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
58 {
59 JSMessageChannelPrototype* ptr = new (NotNull, JSC::allocateCell<JSMessageChannelPrototype>(vm.heap)) JSMessageChannelPrototype(vm, globalObject, structure);
60 ptr->finishCreation(vm);
61 return ptr;
62 }
63
64 DECLARE_INFO;
65 static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
66 {
67 return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
68 }
69
70private:
71 JSMessageChannelPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
72 : JSC::JSNonFinalObject(vm, structure)
73 {
74 }
75
76 void finishCreation(JSC::VM&);
77};
78
79using JSMessageChannelConstructor = JSDOMConstructor<JSMessageChannel>;
80
81template<> EncodedJSValue JSC_HOST_CALL JSMessageChannelConstructor::construct(ExecState* state)
82{
83 VM& vm = state->vm();
84 auto throwScope = DECLARE_THROW_SCOPE(vm);
85 UNUSED_PARAM(throwScope);
86 auto* castedThis = jsCast<JSMessageChannelConstructor*>(state->jsCallee());
87 ASSERT(castedThis);
88 auto* context = castedThis->scriptExecutionContext();
89 if (UNLIKELY(!context))
90 return throwConstructorScriptExecutionContextUnavailableError(*state, throwScope, "MessageChannel");
91 auto object = MessageChannel::create(*context);
92 return JSValue::encode(toJSNewlyCreated<IDLInterface<MessageChannel>>(*state, *castedThis->globalObject(), WTFMove(object)));
93}
94
95template<> JSValue JSMessageChannelConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
96{
97 UNUSED_PARAM(vm);
98 return globalObject.functionPrototype();
99}
100
101template<> void JSMessageChannelConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
102{
103 putDirect(vm, vm.propertyNames->prototype, JSMessageChannel::prototype(vm, globalObject), JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
104 putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String("MessageChannel"_s)), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
105 putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
106}
107
108template<> const ClassInfo JSMessageChannelConstructor::s_info = { "MessageChannel", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSMessageChannelConstructor) };
109
110/* Hash table for prototype */
111
112static const HashTableValue JSMessageChannelPrototypeTableValues[] =
113{
114 { "constructor", static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsMessageChannelConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSMessageChannelConstructor) } },
115 { "port1", static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsMessageChannelPort1), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
116 { "port2", static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsMessageChannelPort2), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
117};
118
119const ClassInfo JSMessageChannelPrototype::s_info = { "MessageChannelPrototype", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSMessageChannelPrototype) };
120
121void JSMessageChannelPrototype::finishCreation(VM& vm)
122{
123 Base::finishCreation(vm);
124 reifyStaticProperties(vm, JSMessageChannel::info(), JSMessageChannelPrototypeTableValues, *this);
125}
126
127const ClassInfo JSMessageChannel::s_info = { "MessageChannel", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSMessageChannel) };
128
129JSMessageChannel::JSMessageChannel(Structure* structure, JSDOMGlobalObject& globalObject, Ref<MessageChannel>&& impl)
130 : JSDOMWrapper<MessageChannel>(structure, globalObject, WTFMove(impl))
131{
132}
133
134void JSMessageChannel::finishCreation(VM& vm)
135{
136 Base::finishCreation(vm);
137 ASSERT(inherits(vm, info()));
138
139}
140
141JSObject* JSMessageChannel::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
142{
143 return JSMessageChannelPrototype::create(vm, &globalObject, JSMessageChannelPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
144}
145
146JSObject* JSMessageChannel::prototype(VM& vm, JSDOMGlobalObject& globalObject)
147{
148 return getDOMPrototype<JSMessageChannel>(vm, globalObject);
149}
150
151JSValue JSMessageChannel::getConstructor(VM& vm, const JSGlobalObject* globalObject)
152{
153 return getDOMConstructor<JSMessageChannelConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
154}
155
156void JSMessageChannel::destroy(JSC::JSCell* cell)
157{
158 JSMessageChannel* thisObject = static_cast<JSMessageChannel*>(cell);
159 thisObject->JSMessageChannel::~JSMessageChannel();
160}
161
162template<> inline JSMessageChannel* IDLAttribute<JSMessageChannel>::cast(ExecState& state, EncodedJSValue thisValue)
163{
164 return jsDynamicCast<JSMessageChannel*>(state.vm(), JSValue::decode(thisValue));
165}
166
167EncodedJSValue jsMessageChannelConstructor(ExecState* state, EncodedJSValue thisValue, PropertyName)
168{
169 VM& vm = state->vm();
170 auto throwScope = DECLARE_THROW_SCOPE(vm);
171 auto* prototype = jsDynamicCast<JSMessageChannelPrototype*>(vm, JSValue::decode(thisValue));
172 if (UNLIKELY(!prototype))
173 return throwVMTypeError(state, throwScope);
174 return JSValue::encode(JSMessageChannel::getConstructor(state->vm(), prototype->globalObject()));
175}
176
177bool setJSMessageChannelConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
178{
179 VM& vm = state->vm();
180 auto throwScope = DECLARE_THROW_SCOPE(vm);
181 auto* prototype = jsDynamicCast<JSMessageChannelPrototype*>(vm, JSValue::decode(thisValue));
182 if (UNLIKELY(!prototype)) {
183 throwVMTypeError(state, throwScope);
184 return false;
185 }
186 // Shadowing a built-in constructor
187 return prototype->putDirect(vm, vm.propertyNames->constructor, JSValue::decode(encodedValue));
188}
189
190static inline JSValue jsMessageChannelPort1Getter(ExecState& state, JSMessageChannel& thisObject, ThrowScope& throwScope)
191{
192 UNUSED_PARAM(throwScope);
193 UNUSED_PARAM(state);
194 auto& impl = thisObject.wrapped();
195 JSValue result = toJS<IDLInterface<MessagePort>>(state, *thisObject.globalObject(), throwScope, impl.port1());
196 return result;
197}
198
199EncodedJSValue jsMessageChannelPort1(ExecState* state, EncodedJSValue thisValue, PropertyName)
200{
201 return IDLAttribute<JSMessageChannel>::get<jsMessageChannelPort1Getter, CastedThisErrorBehavior::Assert>(*state, thisValue, "port1");
202}
203
204static inline JSValue jsMessageChannelPort2Getter(ExecState& state, JSMessageChannel& thisObject, ThrowScope& throwScope)
205{
206 UNUSED_PARAM(throwScope);
207 UNUSED_PARAM(state);
208 auto& impl = thisObject.wrapped();
209 JSValue result = toJS<IDLInterface<MessagePort>>(state, *thisObject.globalObject(), throwScope, impl.port2());
210 return result;
211}
212
213EncodedJSValue jsMessageChannelPort2(ExecState* state, EncodedJSValue thisValue, PropertyName)
214{
215 return IDLAttribute<JSMessageChannel>::get<jsMessageChannelPort2Getter, CastedThisErrorBehavior::Assert>(*state, thisValue, "port2");
216}
217
218void JSMessageChannel::visitChildren(JSCell* cell, SlotVisitor& visitor)
219{
220 auto* thisObject = jsCast<JSMessageChannel*>(cell);
221 ASSERT_GC_OBJECT_INHERITS(thisObject, info());
222 Base::visitChildren(thisObject, visitor);
223 thisObject->visitAdditionalChildren(visitor);
224}
225
226void JSMessageChannel::visitOutputConstraints(JSCell* cell, SlotVisitor& visitor)
227{
228 auto* thisObject = jsCast<JSMessageChannel*>(cell);
229 ASSERT_GC_OBJECT_INHERITS(thisObject, info());
230 Base::visitOutputConstraints(thisObject, visitor);
231 thisObject->visitAdditionalChildren(visitor);
232}
233
234void JSMessageChannel::heapSnapshot(JSCell* cell, HeapSnapshotBuilder& builder)
235{
236 auto* thisObject = jsCast<JSMessageChannel*>(cell);
237 builder.setWrappedObjectForCell(cell, &thisObject->wrapped());
238 if (thisObject->scriptExecutionContext())
239 builder.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
240 Base::heapSnapshot(cell, builder);
241}
242
243bool JSMessageChannelOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor, const char** reason)
244{
245 UNUSED_PARAM(handle);
246 UNUSED_PARAM(visitor);
247 UNUSED_PARAM(reason);
248 return false;
249}
250
251void JSMessageChannelOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
252{
253 auto* jsMessageChannel = static_cast<JSMessageChannel*>(handle.slot()->asCell());
254 auto& world = *static_cast<DOMWrapperWorld*>(context);
255 uncacheWrapper(world, &jsMessageChannel->wrapped(), jsMessageChannel);
256}
257
258JSC::JSValue toJSNewlyCreated(JSC::ExecState*, JSDOMGlobalObject* globalObject, Ref<MessageChannel>&& impl)
259{
260 // If you hit this failure the interface definition has the ImplementationLacksVTable
261 // attribute. You should remove that attribute. If the class has subclasses
262 // that may be passed through this toJS() function you should use the SkipVTableValidation
263 // attribute to MessageChannel.
264 static_assert(!std::is_polymorphic<MessageChannel>::value, "MessageChannel is polymorphic but the IDL claims it is not");
265 return createWrapper<MessageChannel>(globalObject, WTFMove(impl));
266}
267
268JSC::JSValue toJS(JSC::ExecState* state, JSDOMGlobalObject* globalObject, MessageChannel& impl)
269{
270 return wrap(state, globalObject, impl);
271}
272
273MessageChannel* JSMessageChannel::toWrapped(JSC::VM& vm, JSC::JSValue value)
274{
275 if (auto* wrapper = jsDynamicCast<JSMessageChannel*>(vm, value))
276 return &wrapper->wrapped();
277 return nullptr;
278}
279
280}
281
282#endif // ENABLE(CHANNEL_MESSAGING)
283