41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
// Copyright (c) 2019 Slack Technologies, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "shell/browser/event_emitter_mixin.h"
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#include "gin/public/wrapper_info.h"
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#include "shell/browser/api/electron_api_event_emitter.h"
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namespace gin_helper::internal {
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gin::WrapperInfo kWrapperInfo = {gin::kEmbedderNativeGin};
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v8::Local<v8::FunctionTemplate> GetEventEmitterTemplate(v8::Isolate* isolate) {
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gin::PerIsolateData* data = gin::PerIsolateData::From(isolate);
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v8::Local<v8::FunctionTemplate> tmpl =
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data->GetFunctionTemplate(&kWrapperInfo);
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if (tmpl.IsEmpty()) {
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tmpl = v8::FunctionTemplate::New(isolate);
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v8::Local<v8::Context> context = isolate->GetCurrentContext();
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v8::Local<v8::Function> func = tmpl->GetFunction(context).ToLocalChecked();
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v8::Local<v8::Object> eventemitter_prototype =
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electron::GetEventEmitterPrototype(isolate);
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v8::Local<v8::Value> func_prototype;
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CHECK(func->Get(context, gin::StringToSymbol(isolate, "prototype"))
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.ToLocal(&func_prototype));
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CHECK(func_prototype.As<v8::Object>()
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->SetPrototype(context, eventemitter_prototype)
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.ToChecked());
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data->SetFunctionTemplate(&kWrapperInfo, tmpl);
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}
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return tmpl;
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}
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} // namespace gin_helper::internal
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