electron/shell/common/gin_helper/reply_channel.cc

67 lines
2.0 KiB
C++

// Copyright (c) 2023 Salesforce, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/common/gin_helper/reply_channel.h"
#include "base/debug/stack_trace.h"
#include "gin/data_object_builder.h"
#include "gin/handle.h"
#include "gin/object_template_builder.h"
#include "shell/browser/javascript_environment.h"
#include "shell/common/gin_converters/blink_converter.h"
namespace gin_helper::internal {
// static
using InvokeCallback = electron::mojom::ElectronApiIPC::InvokeCallback;
gin::Handle<ReplyChannel> ReplyChannel::Create(v8::Isolate* isolate,
InvokeCallback callback) {
return gin::CreateHandle(isolate, new ReplyChannel(std::move(callback)));
}
gin::ObjectTemplateBuilder ReplyChannel::GetObjectTemplateBuilder(
v8::Isolate* isolate) {
return gin::Wrappable<ReplyChannel>::GetObjectTemplateBuilder(isolate)
.SetMethod("sendReply", &ReplyChannel::SendReply);
}
const char* ReplyChannel::GetTypeName() {
return "ReplyChannel";
}
ReplyChannel::ReplyChannel(InvokeCallback callback)
: callback_(std::move(callback)) {}
ReplyChannel::~ReplyChannel() {
if (callback_)
SendError("reply was never sent");
}
void ReplyChannel::SendError(const std::string& msg) {
v8::Isolate* isolate = electron::JavascriptEnvironment::GetIsolate();
// If there's no current context, it means we're shutting down, so we
// don't need to send an event.
if (!isolate->GetCurrentContext().IsEmpty()) {
v8::HandleScope scope(isolate);
auto message = gin::DataObjectBuilder(isolate).Set("error", msg).Build();
SendReply(isolate, message);
}
}
bool ReplyChannel::SendReply(v8::Isolate* isolate, v8::Local<v8::Value> arg) {
if (!callback_)
return false;
blink::CloneableMessage message;
if (!gin::ConvertFromV8(isolate, arg, &message)) {
return false;
}
std::move(callback_).Run(std::move(message));
return true;
}
gin::WrapperInfo ReplyChannel::kWrapperInfo = {gin::kEmbedderNativeGin};
} // namespace gin_helper::internal