39cca586f6* refactor: avoid redundant GetIsolate() calls in NodeBindings::CreateEnvironment() Xref: https://chromium-review.googlesource.com/c/v8/v8/+/6563615 * refactor: use v8::Isolate::GetCurrent() in Initialize() methods * refactor: add v8::Isolate* arg to NodeBindings::CreateEnvironment() * fixup! refactor: use v8::Isolate::GetCurrent() in Initialize() methods * refactor: add v8::Isolate* arg to RendererClientBase::DidCreateScriptContext() * fixup! refactor: add v8::Isolate* arg to NodeBindings::CreateEnvironment() * fixup! fixup! refactor: use v8::Isolate::GetCurrent() in Initialize() methods refactor: prefer JavascriptEnvironment::GetIsolate() in the browser layer
48 lines
1.5 KiB
C++
48 lines
1.5 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/api/electron_api_event_emitter.h"
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#include "base/functional/bind.h"
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#include "base/no_destructor.h"
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#include "gin/dictionary.h"
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#include "shell/browser/javascript_environment.h"
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#include "shell/common/gin_converters/callback_converter.h"
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#include "shell/common/node_includes.h"
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#include "v8/include/v8.h"
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namespace {
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v8::Global<v8::Object>* GetEventEmitterPrototypeReference() {
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static base::NoDestructor<v8::Global<v8::Object>> event_emitter_prototype;
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return event_emitter_prototype.get();
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}
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void SetEventEmitterPrototype(v8::Isolate* isolate,
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v8::Local<v8::Object> proto) {
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GetEventEmitterPrototypeReference()->Reset(isolate, proto);
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}
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void Initialize(v8::Local<v8::Object> exports,
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v8::Local<v8::Value> unused,
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v8::Local<v8::Context> context,
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void* priv) {
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v8::Isolate* const isolate = electron::JavascriptEnvironment::GetIsolate();
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gin::Dictionary dict{isolate, exports};
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dict.Set("setEventEmitterPrototype",
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base::BindRepeating(&SetEventEmitterPrototype));
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}
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} // namespace
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namespace electron {
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v8::Local<v8::Object> GetEventEmitterPrototype(v8::Isolate* isolate) {
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CHECK(!GetEventEmitterPrototypeReference()->IsEmpty());
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return GetEventEmitterPrototypeReference()->Get(isolate);
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}
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} // namespace electron
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NODE_LINKED_BINDING_CONTEXT_AWARE(electron_browser_event_emitter, Initialize)
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