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javascript_environment.h
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javascript_environment.h
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// 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 ELECTRON_SHELL_BROWSER_JAVASCRIPT_ENVIRONMENT_H_
#define ELECTRON_SHELL_BROWSER_JAVASCRIPT_ENVIRONMENT_H_
#include <memory>
#include "gin/public/isolate_holder.h"
#include "uv.h" // NOLINT(build/include_directory)
#include "v8/include/v8-locker.h"
namespace node {
class Environment;
class MultiIsolatePlatform;
} // namespace node
namespace electron {
enum class NodeEnvironmentType { kNodeMode, kNormal };
class MicrotasksRunner;
// Manage the V8 isolate and context automatically.
class JavascriptEnvironment {
public:
explicit JavascriptEnvironment(uv_loop_t* event_loop,
NodeEnvironmentType type);
~JavascriptEnvironment();
// disable copy
JavascriptEnvironment(const JavascriptEnvironment&) = delete;
JavascriptEnvironment& operator=(const JavascriptEnvironment&) = delete;
void OnMessageLoopCreated();
void OnMessageLoopDestroying();
node::MultiIsolatePlatform* platform() const { return platform_; }
v8::Isolate* isolate() const { return isolate_; }
static v8::Isolate* GetIsolate();
private:
v8::Isolate* Initialize(uv_loop_t* event_loop);
// Leaked on exit.
node::MultiIsolatePlatform* platform_;
v8::Isolate* isolate_;
std::unique_ptr<gin::IsolateHolder> isolate_holder_;
v8::Locker locker_;
std::unique_ptr<MicrotasksRunner> microtasks_runner_;
};
// Manage the Node Environment automatically.
class NodeEnvironment {
public:
explicit NodeEnvironment(node::Environment* env);
~NodeEnvironment();
// disable copy
NodeEnvironment(const NodeEnvironment&) = delete;
NodeEnvironment& operator=(const NodeEnvironment&) = delete;
node::Environment* env() { return env_; }
private:
node::Environment* env_;
};
} // namespace electron
#endif // ELECTRON_SHELL_BROWSER_JAVASCRIPT_ENVIRONMENT_H_