electron/shell/common/promise_util.cc
2019-06-19 17:33:28 -07:00

73 lines
2.1 KiB
C++

// Copyright (c) 2018 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include <string>
#include "atom/common/api/locker.h"
#include "atom/common/promise_util.h"
namespace atom {
namespace util {
Promise::Promise(v8::Isolate* isolate)
: Promise(isolate,
v8::Promise::Resolver::New(isolate->GetCurrentContext())
.ToLocalChecked()) {}
Promise::Promise(v8::Isolate* isolate, v8::Local<v8::Promise::Resolver> handle)
: isolate_(isolate),
context_(isolate, isolate->GetCurrentContext()),
resolver_(isolate, handle) {}
Promise::~Promise() = default;
Promise::Promise(Promise&&) = default;
Promise& Promise::operator=(Promise&&) = default;
v8::Maybe<bool> Promise::RejectWithErrorMessage(const std::string& string) {
v8::HandleScope handle_scope(isolate());
v8::MicrotasksScope script_scope(isolate(),
v8::MicrotasksScope::kRunMicrotasks);
v8::Context::Scope context_scope(
v8::Local<v8::Context>::New(isolate(), GetContext()));
v8::Local<v8::String> error_message =
v8::String::NewFromUtf8(isolate(), string.c_str(),
v8::NewStringType::kNormal,
static_cast<int>(string.size()))
.ToLocalChecked();
v8::Local<v8::Value> error = v8::Exception::Error(error_message);
return Reject(error);
}
v8::Local<v8::Promise> Promise::GetHandle() const {
return GetInner()->GetPromise();
}
CopyablePromise::CopyablePromise(const Promise& promise)
: isolate_(promise.isolate()), handle_(isolate_, promise.GetInner()) {}
CopyablePromise::CopyablePromise(const CopyablePromise&) = default;
CopyablePromise::~CopyablePromise() = default;
Promise CopyablePromise::GetPromise() const {
return Promise(isolate_,
v8::Local<v8::Promise::Resolver>::New(isolate_, handle_));
}
} // namespace util
} // namespace atom
namespace mate {
v8::Local<v8::Value> mate::Converter<atom::util::Promise>::ToV8(
v8::Isolate*,
const atom::util::Promise& val) {
return val.GetHandle();
}
} // namespace mate