da0fd286b4
* chore: initial scaffolding * chore: implement interface and docs * chore: address code style review * fix: cleanup of utility process on shutdown * chore: simplify NodeBindings::CreateEnvironment * chore: rename disableLibraryValidation => allowLoadingUnsignedLibraries * chore: implement process.parentPort * chore(posix): implement stdio pipe interface * chore(win): implement stdio interface * chore: reenable SetNodeOptions for utility process * chore: add specs * chore: fix lint * fix: update kill API * fix: update process.parentPort API * fix: exit event * docs: update exit event * fix: tests on linux * chore: expand on some comments * fix: shutdown of pipe reader Avoid logging since it is always the case that reader end of pipe will terminate after the child process. * fix: remove exit code check for crash spec * fix: rm PR_SET_NO_NEW_PRIVS for unsandbox utility process * chore: fix incorrect rebase * fix: address review feedback * chore: rename utility_process -> utility * chore: update docs * chore: cleanup c++ implemantation * fix: leak in NodeServiceHost impl * chore: minor cleanup * chore: cleanup JS implementation * chore: flip default stdio to inherit * fix: some api improvements * Support cwd option * Remove path restriction for modulePath * Rewire impl for env support * fix: add tests for cwd and env option * chore: alt impl for reading stdio handles * chore: support message queuing * chore: fix lint * chore: new UtilityProcess => utilityProcess.fork * fix: support for uncaught exception exits * chore: remove process.execArgv as default * fix: windows build * fix: style changes * fix: docs and style changes * chore: update patches * spec: disable flaky test on win32 arm CI Co-authored-by: PatchUp <73610968+patchup[bot]@users.noreply.github.com>
108 lines
4.1 KiB
C++
108 lines
4.1 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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#ifndef ELECTRON_SHELL_BROWSER_EVENT_EMITTER_MIXIN_H_
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#define ELECTRON_SHELL_BROWSER_EVENT_EMITTER_MIXIN_H_
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#include <utility>
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#include "gin/object_template_builder.h"
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#include "shell/browser/javascript_environment.h"
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#include "shell/common/gin_helper/event_emitter.h"
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namespace gin_helper {
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namespace internal {
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v8::Local<v8::FunctionTemplate> GetEventEmitterTemplate(v8::Isolate* isolate);
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} // namespace internal
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template <typename T>
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class EventEmitterMixin {
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public:
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// disable copy
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EventEmitterMixin(const EventEmitterMixin&) = delete;
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EventEmitterMixin& operator=(const EventEmitterMixin&) = delete;
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// this.emit(name, new Event(), args...);
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// Returns true if event.preventDefault() was called during processing.
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template <typename... Args>
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bool Emit(base::StringPiece name, Args&&... args) {
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v8::Isolate* isolate = electron::JavascriptEnvironment::GetIsolate();
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v8::HandleScope handle_scope(isolate);
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v8::Local<v8::Object> wrapper;
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if (!static_cast<T*>(this)->GetWrapper(isolate).ToLocal(&wrapper))
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return false;
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v8::Local<v8::Object> event = internal::CreateCustomEvent(isolate, wrapper);
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return EmitWithEvent(isolate, wrapper, name, event,
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std::forward<Args>(args)...);
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}
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// this.emit(name, args...);
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template <typename... Args>
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void EmitWithoutCustomEvent(base::StringPiece name, Args&&... args) {
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v8::Isolate* isolate = electron::JavascriptEnvironment::GetIsolate();
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v8::HandleScope handle_scope(isolate);
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v8::Local<v8::Object> wrapper;
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if (!static_cast<T*>(this)->GetWrapper(isolate).ToLocal(&wrapper))
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return;
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gin_helper::EmitEvent(isolate, wrapper, name, std::forward<Args>(args)...);
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}
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// this.emit(name, event, args...);
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template <typename... Args>
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bool EmitCustomEvent(base::StringPiece name,
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v8::Local<v8::Object> custom_event,
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Args&&... args) {
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v8::Isolate* isolate = electron::JavascriptEnvironment::GetIsolate();
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v8::HandleScope scope(isolate);
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v8::Local<v8::Object> wrapper;
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if (!static_cast<T*>(this)->GetWrapper(isolate).ToLocal(&wrapper))
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return false;
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return EmitWithEvent(isolate, wrapper, name, custom_event,
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std::forward<Args>(args)...);
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}
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protected:
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EventEmitterMixin() = default;
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gin::ObjectTemplateBuilder GetObjectTemplateBuilder(v8::Isolate* isolate) {
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gin::PerIsolateData* data = gin::PerIsolateData::From(isolate);
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auto* wrapper_info = &(static_cast<T*>(this)->kWrapperInfo);
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v8::Local<v8::FunctionTemplate> constructor =
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data->GetFunctionTemplate(wrapper_info);
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if (constructor.IsEmpty()) {
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constructor = v8::FunctionTemplate::New(isolate);
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constructor->SetClassName(
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gin::StringToV8(isolate, static_cast<T*>(this)->GetTypeName()));
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constructor->Inherit(internal::GetEventEmitterTemplate(isolate));
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data->SetFunctionTemplate(wrapper_info, constructor);
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}
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return gin::ObjectTemplateBuilder(isolate,
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static_cast<T*>(this)->GetTypeName(),
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constructor->InstanceTemplate());
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}
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private:
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// this.emit(name, event, args...);
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template <typename... Args>
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static bool EmitWithEvent(v8::Isolate* isolate,
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v8::Local<v8::Object> wrapper,
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base::StringPiece name,
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v8::Local<v8::Object> event,
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Args&&... args) {
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auto context = isolate->GetCurrentContext();
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gin_helper::EmitEvent(isolate, wrapper, name, event,
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std::forward<Args>(args)...);
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v8::Local<v8::Value> defaultPrevented;
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if (event->Get(context, gin::StringToV8(isolate, "defaultPrevented"))
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.ToLocal(&defaultPrevented)) {
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return defaultPrevented->BooleanValue(isolate);
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}
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return false;
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}
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};
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} // namespace gin_helper
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#endif // ELECTRON_SHELL_BROWSER_EVENT_EMITTER_MIXIN_H_
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