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Side by Side Diff: third_party/WebKit/Source/bindings/modules/v8/custom/V8ExtendableMessageEventCustom.cpp

Issue 2837353003: Remove remaining traces of ServiceWorkerMessageEvent (Closed)
Patch Set: include V8PrivateProperty.h Created 3 years, 7 months ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 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 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/V8ExtendableMessageEvent.h" 5 #include "bindings/modules/v8/V8ExtendableMessageEvent.h"
6 6
7 #include "bindings/core/v8/V8PrivateProperty.h"
7 #include "bindings/modules/v8/V8ExtendableMessageEventInit.h" 8 #include "bindings/modules/v8/V8ExtendableMessageEventInit.h"
8 #include "bindings/modules/v8/V8ServiceWorkerMessageEventInternal.h"
9 9
10 namespace blink { 10 namespace blink {
11 11
12 void V8ExtendableMessageEvent::constructorCustom( 12 void V8ExtendableMessageEvent::constructorCustom(
13 const v8::FunctionCallbackInfo<v8::Value>& info) { 13 const v8::FunctionCallbackInfo<v8::Value>& info) {
14 V8ServiceWorkerMessageEventInternal::ConstructorCustom< 14 v8::Isolate* isolate = info.GetIsolate();
15 ExtendableMessageEvent, ExtendableMessageEventInit>(info); 15 ExceptionState exception_state(isolate, ExceptionState::kConstructionContext,
16 "ExtendableMessageEvent");
17 if (UNLIKELY(info.Length() < 1)) {
18 exception_state.ThrowTypeError(
19 ExceptionMessages::NotEnoughArguments(1, info.Length()));
20 return;
21 }
22
23 V8StringResource<> type = info[0];
24 if (!type.Prepare())
25 return;
26
27 ExtendableMessageEventInit event_init_dict;
28 if (!IsUndefinedOrNull(info[1])) {
29 if (!info[1]->IsObject()) {
30 exception_state.ThrowTypeError(
31 "parameter 2 ('eventInitDict') is not an object.");
32 return;
33 }
34 V8ExtendableMessageEventInit::toImpl(isolate, info[1], event_init_dict,
35 exception_state);
36 if (exception_state.HadException())
37 return;
38 }
39
40 ExtendableMessageEvent* impl =
41 ExtendableMessageEvent::Create(type, event_init_dict);
42 v8::Local<v8::Object> wrapper = info.Holder();
43 wrapper = impl->AssociateWithWrapper(
44 isolate, &V8ExtendableMessageEvent::wrapperTypeInfo, wrapper);
45
46 // TODO(bashi): Workaround for http://crbug.com/529941. We need to store
47 // |data| as a private value to avoid cyclic references.
48 if (event_init_dict.hasData()) {
49 v8::Local<v8::Value> v8_data = event_init_dict.data().V8Value();
50 V8PrivateProperty::GetMessageEventCachedData(isolate).Set(wrapper, v8_data);
51 if (DOMWrapperWorld::Current(isolate).IsIsolatedWorld()) {
52 impl->SetSerializedData(
53 SerializedScriptValue::SerializeAndSwallowExceptions(isolate,
54 v8_data));
55 }
56 }
57 V8SetReturnValue(info, wrapper);
16 } 58 }
17 59
18 void V8ExtendableMessageEvent::dataAttributeGetterCustom( 60 void V8ExtendableMessageEvent::dataAttributeGetterCustom(
19 const v8::FunctionCallbackInfo<v8::Value>& info) { 61 const v8::FunctionCallbackInfo<v8::Value>& info) {
20 V8ServiceWorkerMessageEventInternal::DataAttributeGetterCustom< 62 ExtendableMessageEvent* event =
21 ExtendableMessageEvent>(info); 63 V8ExtendableMessageEvent::toImpl(info.Holder());
64 v8::Isolate* isolate = info.GetIsolate();
65 auto private_cached_data =
66 V8PrivateProperty::GetMessageEventCachedData(isolate);
67 v8::Local<v8::Value> result = private_cached_data.GetOrEmpty(info.Holder());
68 if (!result.IsEmpty()) {
69 V8SetReturnValue(info, result);
70 return;
71 }
72
73 v8::Local<v8::Value> data;
74 if (SerializedScriptValue* serialized_value = event->SerializedData()) {
75 MessagePortArray ports = event->ports();
76 SerializedScriptValue::DeserializeOptions options;
77 options.message_ports = &ports;
78 data = serialized_value->Deserialize(isolate, options);
79 } else if (DOMWrapperWorld::Current(isolate).IsIsolatedWorld()) {
80 v8::Local<v8::Value> main_world_data =
81 private_cached_data.GetFromMainWorld(event);
82 if (!main_world_data.IsEmpty()) {
83 // TODO(bashi): Enter the main world's ScriptState::Scope while
84 // serializing the main world's value.
85 event->SetSerializedData(
86 SerializedScriptValue::SerializeAndSwallowExceptions(
87 info.GetIsolate(), main_world_data));
88 data = event->SerializedData()->Deserialize(isolate);
89 }
90 }
91 if (data.IsEmpty())
92 data = v8::Null(isolate);
93 private_cached_data.Set(info.Holder(), data);
94 V8SetReturnValue(info, data);
22 } 95 }
23 96
24 } // namespace blink 97 } // namespace blink
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