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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; | |
yosin_UTC9
2016/05/12 07:54:22
Do you forget |V8ThrowException| here?
dominicc (has gone to gerrit)
2016/05/12 08:00:40
I'm not sure when that would fail, actually, becau
bashi
2016/05/12 08:19:13
I'm not sure if this would fail but there will be
| |
71 } | |
72 } | |
73 | |
74 } // namespace blink | |
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