| // Copyright 2018 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. |
| |
| #ifndef CHROME_BROWSER_USB_WEB_USB_DEVICE_MANAGER_H_ |
| #define CHROME_BROWSER_USB_WEB_USB_DEVICE_MANAGER_H_ |
| |
| #include <string> |
| |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/scoped_observer.h" |
| #include "device/usb/mojo/permission_provider.h" |
| #include "device/usb/public/mojom/device.mojom.h" |
| #include "device/usb/public/mojom/device_manager.mojom.h" |
| #include "device/usb/usb_service.h" |
| #include "mojo/public/cpp/bindings/strong_binding.h" |
| |
| namespace device { |
| class UsbDevice; |
| } |
| |
| // Implements a restricted device::mojom::UsbDeviceManager interface by wrapping |
| // another UsbDeviceManager instance and checking requests with the provided |
| // device::usb::PermissionProvider. |
| class WebUsbDeviceManager : public device::mojom::UsbDeviceManager, |
| public device::UsbService::Observer { |
| public: |
| static void Create( |
| base::WeakPtr<device::usb::PermissionProvider> permission_provider, |
| device::mojom::UsbDeviceManagerRequest request); |
| |
| ~WebUsbDeviceManager() override; |
| |
| private: |
| WebUsbDeviceManager( |
| base::WeakPtr<device::usb::PermissionProvider> permission_provider); |
| |
| // DeviceManager implementation: |
| void GetDevices(device::mojom::UsbEnumerationOptionsPtr options, |
| GetDevicesCallback callback) override; |
| void GetDevice(const std::string& guid, |
| device::mojom::UsbDeviceRequest device_request) override; |
| void SetClient(device::mojom::UsbDeviceManagerClientPtr client) override; |
| |
| // device::UsbService::Observer implementation: |
| void OnDeviceAdded(scoped_refptr<device::UsbDevice> device) override; |
| void OnDeviceRemoved(scoped_refptr<device::UsbDevice> device) override; |
| void WillDestroyUsbService() override; |
| |
| void OnConnectionError(); |
| |
| base::WeakPtr<device::usb::PermissionProvider> permission_provider_; |
| |
| // Used to bind with Blink. |
| mojo::StrongBindingPtr<device::mojom::UsbDeviceManager> binding_; |
| device::mojom::UsbDeviceManagerClientPtr client_; |
| |
| device::mojom::UsbDeviceManagerPtr device_manager_; |
| ScopedObserver<device::UsbService, device::UsbService::Observer> observer_; |
| |
| base::WeakPtrFactory<WebUsbDeviceManager> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebUsbDeviceManager); |
| }; |
| |
| #endif // CHROME_BROWSER_USB_WEB_USB_DEVICE_MANAGER_H_ |