| // 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 |