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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "bindings/core/v8/V8HTMLElement.h" |
| 6 |
| 7 #include "bindings/core/v8/DOMWrapperWorld.h" |
| 8 #include "bindings/core/v8/ExceptionState.h" |
| 9 #include "bindings/core/v8/V8Binding.h" |
| 10 #include "bindings/core/v8/V8BindingMacros.h" |
| 11 #include "bindings/core/v8/V8DOMWrapper.h" |
| 12 #include "bindings/core/v8/V8ThrowException.h" |
| 13 #include "core/dom/Document.h" |
| 14 #include "core/dom/custom/CustomElementDefinition.h" |
| 15 #include "core/dom/custom/CustomElementsRegistry.h" |
| 16 #include "core/frame/LocalDOMWindow.h" |
| 17 #include "platform/RuntimeEnabledFeatures.h" |
| 18 |
| 19 namespace blink { |
| 20 |
| 21 void V8HTMLElement::constructorCustom( |
| 22 const v8::FunctionCallbackInfo<v8::Value>& info) |
| 23 { |
| 24 DCHECK(info.IsConstructCall()); |
| 25 |
| 26 v8::Isolate* isolate = info.GetIsolate(); |
| 27 ScriptState* scriptState = ScriptState::current(isolate); |
| 28 |
| 29 if (!RuntimeEnabledFeatures::customElementsV1Enabled() |
| 30 || !scriptState->world().isMainWorld()) { |
| 31 V8ThrowException::throwTypeError(info.GetIsolate(), "Illegal constructor
"); |
| 32 return; |
| 33 } |
| 34 |
| 35 LocalDOMWindow* window = scriptState->domWindow(); |
| 36 CustomElementDefinition* def = |
| 37 window->customElements(scriptState)->definitionForConstructor( |
| 38 scriptState, |
| 39 info.NewTarget()); |
| 40 if (!def) { |
| 41 V8ThrowException::throwTypeError(isolate, "Illegal constructor"); |
| 42 return; |
| 43 } |
| 44 |
| 45 // TODO(dominicc): Implement cases where the definition's |
| 46 // construction stack is not empty when parser-creation is |
| 47 // implemented. |
| 48 |
| 49 ExceptionState exceptionState( |
| 50 ExceptionState::ConstructionContext, |
| 51 "HTMLElement", |
| 52 info.Holder(), |
| 53 isolate); |
| 54 Element* element = window->document()->createElement( |
| 55 def->localName(), |
| 56 AtomicString(), |
| 57 exceptionState); |
| 58 if (exceptionState.throwIfNeeded()) |
| 59 return; |
| 60 const WrapperTypeInfo* wrapperType = element->wrapperTypeInfo(); |
| 61 v8::Local<v8::Object> wrapper = V8DOMWrapper::associateObjectWithWrapper( |
| 62 isolate, |
| 63 element, |
| 64 wrapperType, |
| 65 info.This()); |
| 66 |
| 67 if (!v8CallBoolean(wrapper->SetPrototype( |
| 68 scriptState->context(), |
| 69 def->prototype(scriptState)))) { |
| 70 return; |
| 71 } |
| 72 } |
| 73 |
| 74 } // namespace blink |
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