electron/shell/browser/javascript_environment.h
2020-03-10 18:16:58 -07:00

66 lines
1.6 KiB
C++

// Copyright (c) 2013 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef SHELL_BROWSER_JAVASCRIPT_ENVIRONMENT_H_
#define SHELL_BROWSER_JAVASCRIPT_ENVIRONMENT_H_
#include <memory>
#include "base/macros.h"
#include "gin/public/isolate_holder.h"
#include "uv.h" // NOLINT(build/include)
namespace node {
class Environment;
class MultiIsolatePlatform;
} // namespace node
namespace electron {
class MicrotasksRunner;
// Manage the V8 isolate and context automatically.
class JavascriptEnvironment {
public:
explicit JavascriptEnvironment(uv_loop_t* event_loop);
~JavascriptEnvironment();
void OnMessageLoopCreated();
void OnMessageLoopDestroying();
node::MultiIsolatePlatform* platform() const { return platform_; }
v8::Isolate* isolate() const { return isolate_; }
v8::Local<v8::Context> context() const {
return v8::Local<v8::Context>::New(isolate_, context_);
}
private:
v8::Isolate* Initialize(uv_loop_t* event_loop);
// Leaked on exit.
node::MultiIsolatePlatform* platform_;
v8::Isolate* isolate_;
gin::IsolateHolder isolate_holder_;
v8::Locker locker_;
v8::Global<v8::Context> context_;
std::unique_ptr<MicrotasksRunner> microtasks_runner_;
DISALLOW_COPY_AND_ASSIGN(JavascriptEnvironment);
};
// Manage the Node Environment automatically.
class NodeEnvironment {
public:
explicit NodeEnvironment(node::Environment* env);
~NodeEnvironment();
private:
node::Environment* env_;
DISALLOW_COPY_AND_ASSIGN(NodeEnvironment);
};
} // namespace electron
#endif // SHELL_BROWSER_JAVASCRIPT_ENVIRONMENT_H_