electron/shell/browser/javascript_environment.h

74 lines
2 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 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 {
class MicrotasksRunner;
// Manage the V8 isolate and context automatically.
class JavascriptEnvironment {
public:
explicit JavascriptEnvironment(uv_loop_t* event_loop,
bool setup_wasm_streaming = false);
~JavascriptEnvironment();
// disable copy
JavascriptEnvironment(const JavascriptEnvironment&) = delete;
JavascriptEnvironment& operator=(const JavascriptEnvironment&) = delete;
void CreateMicrotasksRunner();
void DestroyMicrotasksRunner();
node::MultiIsolatePlatform* platform() const { return platform_.get(); }
v8::Isolate* isolate() const { return isolate_; }
v8::Local<v8::Context> context() const {
return v8::Local<v8::Context>::New(isolate_, context_);
}
static v8::Isolate* GetIsolate();
private:
v8::Isolate* Initialize(uv_loop_t* event_loop, bool setup_wasm_streaming);
std::unique_ptr<node::MultiIsolatePlatform> platform_;
v8::Isolate* isolate_;
gin::IsolateHolder isolate_holder_;
v8::Locker locker_;
v8::Global<v8::Context> context_;
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_