electron/shell/browser/api/electron_api_event_emitter.cc
trop[bot] d426b92326
refactor: avoid deprecated v8::Context::GetIsolate() calls (pt 1) (#47843)
* refactor: avoid redundant GetIsolate() calls in NodeBindings::CreateEnvironment()

Xref: https://chromium-review.googlesource.com/c/v8/v8/+/6563615

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* refactor: use v8::Isolate::GetCurrent() in Initialize() methods

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* refactor: add v8::Isolate* arg to NodeBindings::CreateEnvironment()

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* fixup! refactor: use v8::Isolate::GetCurrent() in Initialize() methods

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* refactor: add v8::Isolate* arg to RendererClientBase::DidCreateScriptContext()

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* fixup! refactor: add v8::Isolate* arg to NodeBindings::CreateEnvironment()

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* fixup! fixup! refactor: use v8::Isolate::GetCurrent() in Initialize() methods

refactor: prefer JavascriptEnvironment::GetIsolate() in the browser layer

Co-authored-by: Charles Kerr <charles@charleskerr.com>

---------

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Charles Kerr <charles@charleskerr.com>
2025-07-21 13:12:24 -04:00

48 lines
1.5 KiB
C++

// Copyright (c) 2019 Slack Technologies, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/browser/api/electron_api_event_emitter.h"
#include "base/functional/bind.h"
#include "base/no_destructor.h"
#include "gin/dictionary.h"
#include "shell/browser/javascript_environment.h"
#include "shell/common/gin_converters/callback_converter.h"
#include "shell/common/node_includes.h"
#include "v8/include/v8.h"
namespace {
v8::Global<v8::Object>* GetEventEmitterPrototypeReference() {
static base::NoDestructor<v8::Global<v8::Object>> event_emitter_prototype;
return event_emitter_prototype.get();
}
void SetEventEmitterPrototype(v8::Isolate* isolate,
v8::Local<v8::Object> proto) {
GetEventEmitterPrototypeReference()->Reset(isolate, proto);
}
void Initialize(v8::Local<v8::Object> exports,
v8::Local<v8::Value> unused,
v8::Local<v8::Context> context,
void* priv) {
v8::Isolate* const isolate = electron::JavascriptEnvironment::GetIsolate();
gin::Dictionary dict{isolate, exports};
dict.Set("setEventEmitterPrototype",
base::BindRepeating(&SetEventEmitterPrototype));
}
} // namespace
namespace electron {
v8::Local<v8::Object> GetEventEmitterPrototype(v8::Isolate* isolate) {
CHECK(!GetEventEmitterPrototypeReference()->IsEmpty());
return GetEventEmitterPrototypeReference()->Get(isolate);
}
} // namespace electron
NODE_LINKED_BINDING_CONTEXT_AWARE(electron_browser_event_emitter, Initialize)