| // Copyright 2017 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 COMPONENTS_ARC_USB_USB_HOST_BRIDGE_H_ |
| #define COMPONENTS_ARC_USB_USB_HOST_BRIDGE_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/callback_forward.h" |
| #include "base/macros.h" |
| #include "base/scoped_observer.h" |
| #include "components/arc/common/usb_host.mojom.h" |
| #include "components/arc/connection_observer.h" |
| #include "components/keyed_service/core/keyed_service.h" |
| #include "device/usb/public/mojom/device_manager.mojom.h" |
| #include "device/usb/usb_device.h" |
| #include "device/usb/usb_service.h" |
| |
| namespace content { |
| class BrowserContext; |
| } // namespace content |
| |
| class BrowserContextKeyedServiceFactory; |
| |
| namespace arc { |
| |
| class ArcBridgeService; |
| class ArcUsbHostUiDelegate; |
| |
| // Private implementation of UsbHostHost. |
| class ArcUsbHostBridge : public KeyedService, |
| public ConnectionObserver<mojom::UsbHostInstance>, |
| public device::UsbService::Observer, |
| public mojom::UsbHostHost { |
| public: |
| // Returns singleton instance for the given BrowserContext, |
| // or nullptr if the browser |context| is not allowed to use ARC. |
| static ArcUsbHostBridge* GetForBrowserContext( |
| content::BrowserContext* context); |
| |
| // The constructor will register an Observer with ArcBridgeService. |
| explicit ArcUsbHostBridge(content::BrowserContext* context, |
| ArcBridgeService* bridge_service); |
| ~ArcUsbHostBridge() override; |
| |
| // Returns the factory instance for this class. |
| static BrowserContextKeyedServiceFactory* GetFactory(); |
| |
| // mojom::UsbHostHost overrides: |
| void RequestPermission(const std::string& guid, |
| const std::string& package, |
| bool interactive, |
| RequestPermissionCallback callback) override; |
| void OpenDevice(const std::string& guid, |
| const base::Optional<std::string>& package, |
| OpenDeviceCallback callback) override; |
| void GetDeviceInfo(const std::string& guid, |
| GetDeviceInfoCallback callback) override; |
| |
| // device::UsbService::Observer overrides: |
| void OnDeviceAdded(scoped_refptr<device::UsbDevice> device) override; |
| void OnDeviceRemoved(scoped_refptr<device::UsbDevice> device) override; |
| void WillDestroyUsbService() override; |
| |
| // ConnectionObserver<mojom::UsbHostInstance> overrides: |
| void OnConnectionReady() override; |
| void OnConnectionClosed() override; |
| |
| // KeyedService overrides: |
| void Shutdown() override; |
| |
| void SetUiDelegate(ArcUsbHostUiDelegate* ui_delegate); |
| |
| private: |
| std::vector<std::string> GetEventReceiverPackages( |
| scoped_refptr<device::UsbDevice> device); |
| void OnDeviceChecked(const std::string& guid, bool allowed); |
| void DoRequestUserAuthorization(const std::string& guid, |
| const std::string& package, |
| RequestPermissionCallback callback); |
| bool HasPermissionForDevice(const std::string& guid, |
| const std::string& package); |
| void HandleScanDeviceListRequest(const std::string& package, |
| RequestPermissionCallback callback); |
| |
| ArcBridgeService* const arc_bridge_service_; // Owned by ArcServiceManager. |
| mojom::UsbHostHostPtr usb_host_ptr_; |
| ScopedObserver<device::UsbService, device::UsbService::Observer> |
| usb_observer_; |
| device::UsbService* usb_service_; |
| ArcUsbHostUiDelegate* ui_delegate_ = nullptr; |
| |
| // WeakPtrFactory to use for callbacks. |
| base::WeakPtrFactory<ArcUsbHostBridge> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ArcUsbHostBridge); |
| }; |
| |
| } // namespace arc |
| |
| #endif // COMPONENTS_ARC_USB_USB_HOST_BRIDGE_H_ |