/
serial_chooser_controller.cc
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/
serial_chooser_controller.cc
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// Copyright (c) 2020 Microsoft, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/browser/serial/serial_chooser_controller.h"
#include <algorithm>
#include <utility>
#include "base/bind.h"
#include "base/files/file_path.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "shell/browser/api/electron_api_session.h"
#include "shell/browser/serial/serial_chooser_context.h"
#include "shell/browser/serial/serial_chooser_context_factory.h"
#include "shell/common/gin_converters/callback_converter.h"
#include "shell/common/gin_converters/content_converter.h"
#include "shell/common/gin_helper/dictionary.h"
#include "ui/base/l10n/l10n_util.h"
namespace gin {
template <>
struct Converter<device::mojom::SerialPortInfoPtr> {
static v8::Local<v8::Value> ToV8(
v8::Isolate* isolate,
const device::mojom::SerialPortInfoPtr& port) {
gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
dict.Set("portId", port->token.ToString());
dict.Set("portName", port->path.BaseName().LossyDisplayName());
if (port->display_name && !port->display_name->empty()) {
dict.Set("displayName", *port->display_name);
}
if (port->has_vendor_id) {
dict.Set("vendorId", base::StringPrintf("%u", port->vendor_id));
}
if (port->has_product_id) {
dict.Set("productId", base::StringPrintf("%u", port->product_id));
}
if (port->serial_number && !port->serial_number->empty()) {
dict.Set("serialNumber", *port->serial_number);
}
#if BUILDFLAG(IS_MAC)
if (port->usb_driver_name && !port->usb_driver_name->empty()) {
dict.Set("usbDriverName", *port->usb_driver_name);
}
#elif BUILDFLAG(IS_WIN)
if (!port->device_instance_id.empty()) {
dict.Set("deviceInstanceId", port->device_instance_id);
}
#endif
return gin::ConvertToV8(isolate, dict);
}
};
} // namespace gin
namespace electron {
SerialChooserController::SerialChooserController(
content::RenderFrameHost* render_frame_host,
std::vector<blink::mojom::SerialPortFilterPtr> filters,
content::SerialChooser::Callback callback,
content::WebContents* web_contents,
base::WeakPtr<ElectronSerialDelegate> serial_delegate)
: WebContentsObserver(web_contents),
filters_(std::move(filters)),
callback_(std::move(callback)),
serial_delegate_(serial_delegate),
render_frame_host_id_(render_frame_host->GetGlobalId()) {
origin_ = web_contents->GetMainFrame()->GetLastCommittedOrigin();
chooser_context_ = SerialChooserContextFactory::GetForBrowserContext(
web_contents->GetBrowserContext())
->AsWeakPtr();
DCHECK(chooser_context_);
chooser_context_->GetPortManager()->GetDevices(base::BindOnce(
&SerialChooserController::OnGetDevices, weak_factory_.GetWeakPtr()));
observation_.Observe(chooser_context_.get());
}
SerialChooserController::~SerialChooserController() {
RunCallback(/*port=*/nullptr);
}
api::Session* SerialChooserController::GetSession() {
if (!web_contents()) {
return nullptr;
}
return api::Session::FromBrowserContext(web_contents()->GetBrowserContext());
}
void SerialChooserController::OnPortAdded(
const device::mojom::SerialPortInfo& port) {
ports_.push_back(port.Clone());
api::Session* session = GetSession();
if (session) {
session->Emit("serial-port-added", port.Clone(), web_contents());
}
}
void SerialChooserController::OnPortRemoved(
const device::mojom::SerialPortInfo& port) {
const auto it = std::find_if(
ports_.begin(), ports_.end(),
[&port](const auto& ptr) { return ptr->token == port.token; });
if (it != ports_.end()) {
api::Session* session = GetSession();
if (session) {
session->Emit("serial-port-removed", port.Clone(), web_contents());
}
ports_.erase(it);
}
}
void SerialChooserController::OnPortManagerConnectionError() {
observation_.Reset();
}
void SerialChooserController::OnSerialChooserContextShutdown() {
observation_.Reset();
}
void SerialChooserController::OnDeviceChosen(const std::string& port_id) {
if (port_id.empty()) {
RunCallback(/*port=*/nullptr);
} else {
const auto it =
std::find_if(ports_.begin(), ports_.end(), [&port_id](const auto& ptr) {
return ptr->token.ToString() == port_id;
});
if (it != ports_.end()) {
auto* rfh = content::RenderFrameHost::FromID(render_frame_host_id_);
chooser_context_->GrantPortPermission(origin_, *it->get(), rfh);
RunCallback(it->Clone());
} else {
RunCallback(/*port=*/nullptr);
}
}
}
void SerialChooserController::OnGetDevices(
std::vector<device::mojom::SerialPortInfoPtr> ports) {
// Sort ports by file paths.
std::sort(ports.begin(), ports.end(),
[](const auto& port1, const auto& port2) {
return port1->path.BaseName() < port2->path.BaseName();
});
for (auto& port : ports) {
if (FilterMatchesAny(*port))
ports_.push_back(std::move(port));
}
bool prevent_default = false;
api::Session* session = GetSession();
if (session) {
prevent_default =
session->Emit("select-serial-port", ports_, web_contents(),
base::AdaptCallbackForRepeating(base::BindOnce(
&SerialChooserController::OnDeviceChosen,
weak_factory_.GetWeakPtr())));
}
if (!prevent_default) {
RunCallback(/*port=*/nullptr);
}
}
bool SerialChooserController::FilterMatchesAny(
const device::mojom::SerialPortInfo& port) const {
if (filters_.empty())
return true;
for (const auto& filter : filters_) {
if (filter->has_vendor_id &&
(!port.has_vendor_id || filter->vendor_id != port.vendor_id)) {
continue;
}
if (filter->has_product_id &&
(!port.has_product_id || filter->product_id != port.product_id)) {
continue;
}
return true;
}
return false;
}
void SerialChooserController::RunCallback(
device::mojom::SerialPortInfoPtr port) {
if (callback_) {
std::move(callback_).Run(std::move(port));
}
}
} // namespace electron