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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/webusb/webusb_detector.h"
#include "base/memory/scoped_ptr.h"
#include "components/webusb/webusb_browser_client.h"
#include "device/core/device_client.h"
#include "device/usb/usb_device.h"
#include "device/usb/usb_ids.h"
namespace webusb {
WebUsbDetector::WebUsbDetector(WebUsbBrowserClient* webusb_browser_client)
: webusb_browser_client_(webusb_browser_client), observer_(this) {
Initialize();
}
WebUsbDetector::~WebUsbDetector() {}
void WebUsbDetector::Initialize() {
if (!webusb_browser_client_) {
return;
}
device::UsbService* usb_service =
device::DeviceClient::Get()->GetUsbService();
if (!usb_service)
return;
observer_.Add(usb_service);
}
void WebUsbDetector::OnDeviceAdded(scoped_refptr<device::UsbDevice> device) {
const base::string16& product_name = device->product_string();
if (product_name.empty()) {
return;
}
const GURL& landing_page = device->webusb_landing_page();
if (!landing_page.is_valid()) {
return;
}
std::string notification_id = device->guid();
webusb_browser_client_->OnDeviceAdded(product_name, landing_page,
notification_id);
}
void WebUsbDetector::OnDeviceRemoved(scoped_refptr<device::UsbDevice> device) {
std::string notification_id = device->guid();
webusb_browser_client_->OnDeviceRemoved(notification_id);
}
} // namespace webusb
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