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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "bindings/modules/v8/V8ServiceWorkerMessageEvent.h" | 5 #include "bindings/modules/v8/V8ServiceWorkerMessageEvent.h" |
6 | 6 |
7 #include "bindings/core/v8/SerializedScriptValue.h" | 7 #include "bindings/core/v8/SerializedScriptValue.h" |
| 8 #include "bindings/core/v8/SerializedScriptValueFactory.h" |
8 #include "bindings/core/v8/V8HiddenValue.h" | 9 #include "bindings/core/v8/V8HiddenValue.h" |
| 10 #include "bindings/modules/v8/V8ServiceWorkerMessageEventInit.h" |
9 | 11 |
10 namespace blink { | 12 namespace blink { |
11 | 13 |
| 14 void V8ServiceWorkerMessageEvent::constructorCustom(const v8::FunctionCallbackIn
fo<v8::Value>& info) |
| 15 { |
| 16 ExceptionState exceptionState(ExceptionState::ConstructionContext, "ServiceW
orkerMessageEvent", info.Holder(), info.GetIsolate()); |
| 17 if (UNLIKELY(info.Length() < 1)) { |
| 18 setMinimumArityTypeError(exceptionState, 1, info.Length()); |
| 19 exceptionState.throwIfNeeded(); |
| 20 return; |
| 21 } |
| 22 |
| 23 V8StringResource<> type = info[0]; |
| 24 if (!type.prepare()) |
| 25 return; |
| 26 |
| 27 ServiceWorkerMessageEventInit eventInitDict; |
| 28 if (!isUndefinedOrNull(info[1])) { |
| 29 if (!info[1]->IsObject()) { |
| 30 exceptionState.throwTypeError("parameter 2 ('eventInitDict') is not
an object."); |
| 31 exceptionState.throwIfNeeded(); |
| 32 return; |
| 33 } |
| 34 V8ServiceWorkerMessageEventInit::toImpl(info.GetIsolate(), info[1], even
tInitDict, exceptionState); |
| 35 if (exceptionState.throwIfNeeded()) |
| 36 return; |
| 37 } |
| 38 |
| 39 RefPtrWillBeRawPtr<ServiceWorkerMessageEvent> impl = ServiceWorkerMessageEve
nt::create(type, eventInitDict); |
| 40 v8::Local<v8::Object> wrapper = info.Holder(); |
| 41 wrapper = impl->associateWithWrapper(info.GetIsolate(), &V8ServiceWorkerMess
ageEvent::wrapperTypeInfo, wrapper); |
| 42 |
| 43 // TODO(bashi): Workaround for http://crbug.com/529941. We need to store |
| 44 // |data| as a hidden value to avoid cycle references. |
| 45 if (eventInitDict.hasData()) { |
| 46 v8::Local<v8::Value> v8Data = eventInitDict.data().v8Value(); |
| 47 V8HiddenValue::setHiddenValue(ScriptState::current(info.GetIsolate()), w
rapper, V8HiddenValue::data(info.GetIsolate()), v8Data); |
| 48 if (DOMWrapperWorld::current(info.GetIsolate()).isIsolatedWorld()) |
| 49 impl->setSerializedData(SerializedScriptValueFactory::instance().cre
ateAndSwallowExceptions(info.GetIsolate(), v8Data)); |
| 50 } |
| 51 v8SetReturnValue(info, wrapper); |
| 52 } |
| 53 |
12 void V8ServiceWorkerMessageEvent::dataAttributeGetterCustom(const v8::FunctionCa
llbackInfo<v8::Value>& info) | 54 void V8ServiceWorkerMessageEvent::dataAttributeGetterCustom(const v8::FunctionCa
llbackInfo<v8::Value>& info) |
13 { | 55 { |
14 ServiceWorkerMessageEvent* event = V8ServiceWorkerMessageEvent::toImpl(info.
Holder()); | 56 ServiceWorkerMessageEvent* event = V8ServiceWorkerMessageEvent::toImpl(info.
Holder()); |
15 v8::Isolate* isolate = info.GetIsolate(); | 57 v8::Isolate* isolate = info.GetIsolate(); |
16 ScriptState* scriptState = ScriptState::current(isolate); | 58 ScriptState* scriptState = ScriptState::current(isolate); |
17 v8::Local<v8::Value> result = V8HiddenValue::getHiddenValue(scriptState, inf
o.Holder(), V8HiddenValue::data(isolate)); | 59 v8::Local<v8::Value> result = V8HiddenValue::getHiddenValue(scriptState, inf
o.Holder(), V8HiddenValue::data(isolate)); |
18 | 60 |
19 if (!result.IsEmpty()) { | 61 if (!result.IsEmpty()) { |
20 v8SetReturnValue(info, result); | 62 v8SetReturnValue(info, result); |
21 return; | 63 return; |
22 } | 64 } |
23 | 65 |
24 v8::Local<v8::Value> data; | 66 v8::Local<v8::Value> data; |
25 if (SerializedScriptValue* serializedValue = event->serializedData()) { | 67 if (SerializedScriptValue* serializedValue = event->serializedData()) { |
26 MessagePortArray ports = event->ports(); | 68 MessagePortArray ports = event->ports(); |
27 data = serializedValue->deserialize(isolate, &ports); | 69 data = serializedValue->deserialize(isolate, &ports); |
28 } else { | 70 } else if (DOMWrapperWorld::current(isolate).isIsolatedWorld()) { |
29 data = event->data().v8ValueFor(scriptState); | 71 v8::Local<v8::Value> mainWorldData = V8HiddenValue::getHiddenValueFromMa
inWorldWrapper(scriptState, event, V8HiddenValue::data(isolate)); |
| 72 if (!mainWorldData.IsEmpty()) { |
| 73 // TODO(bashi): Enter the main world's ScriptState::Scope while |
| 74 // serializing the main world's value. |
| 75 event->setSerializedData(SerializedScriptValueFactory::instance().cr
eateAndSwallowExceptions(info.GetIsolate(), mainWorldData)); |
| 76 data = event->serializedData()->deserialize(); |
| 77 } |
30 } | 78 } |
31 if (data.IsEmpty()) | 79 if (data.IsEmpty()) |
32 data = v8::Null(isolate); | 80 data = v8::Null(isolate); |
33 V8HiddenValue::setHiddenValue(scriptState, info.Holder(), V8HiddenValue::dat
a(isolate), data); | 81 V8HiddenValue::setHiddenValue(scriptState, info.Holder(), V8HiddenValue::dat
a(isolate), data); |
34 v8SetReturnValue(info, data); | 82 v8SetReturnValue(info, data); |
35 } | 83 } |
36 | 84 |
37 } // namespace blink | 85 } // namespace blink |
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