| // Copyright 2014 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 DEVICE_USB_USB_DEVICE_IMPL_H_ |
| #define DEVICE_USB_USB_DEVICE_IMPL_H_ |
| |
| #include <stdint.h> |
| |
| #include <list> |
| #include <memory> |
| #include <string> |
| #include <utility> |
| |
| #include "base/callback.h" |
| #include "base/files/scoped_file.h" |
| #include "base/macros.h" |
| #include "base/threading/thread_checker.h" |
| #include "build/build_config.h" |
| #include "device/usb/usb_descriptors.h" |
| #include "device/usb/usb_device.h" |
| #include "device/usb/webusb_descriptors.h" |
| |
| struct libusb_device; |
| struct libusb_device_descriptor; |
| struct libusb_device_handle; |
| struct libusb_config_descriptor; |
| |
| namespace base { |
| class SequencedTaskRunner; |
| } |
| |
| namespace device { |
| |
| class UsbDeviceHandleImpl; |
| class UsbContext; |
| |
| typedef struct libusb_device* PlatformUsbDevice; |
| typedef struct libusb_config_descriptor* PlatformUsbConfigDescriptor; |
| typedef struct libusb_device_handle* PlatformUsbDeviceHandle; |
| |
| class UsbDeviceImpl : public UsbDevice { |
| public: |
| // UsbDevice implementation: |
| void Open(const OpenCallback& callback) override; |
| |
| // These functions are used during enumeration only. The values must not |
| // change during the object's lifetime. |
| void set_manufacturer_string(const base::string16& value) { |
| manufacturer_string_ = value; |
| } |
| void set_product_string(const base::string16& value) { |
| product_string_ = value; |
| } |
| void set_serial_number(const base::string16& value) { |
| serial_number_ = value; |
| } |
| void set_webusb_allowed_origins( |
| std::unique_ptr<WebUsbAllowedOrigins> allowed_origins) { |
| webusb_allowed_origins_ = std::move(allowed_origins); |
| } |
| void set_webusb_landing_page(const GURL& url) { webusb_landing_page_ = url; } |
| |
| PlatformUsbDevice platform_device() const { return platform_device_; } |
| |
| protected: |
| friend class UsbServiceImpl; |
| friend class UsbDeviceHandleImpl; |
| |
| // Called by UsbServiceImpl only; |
| UsbDeviceImpl(scoped_refptr<UsbContext> context, |
| PlatformUsbDevice platform_device, |
| const libusb_device_descriptor& descriptor, |
| scoped_refptr<base::SequencedTaskRunner> blocking_task_runner); |
| |
| ~UsbDeviceImpl() override; |
| |
| void ReadAllConfigurations(); |
| void RefreshActiveConfiguration(); |
| |
| // Called only by UsbServiceImpl. |
| void set_visited(bool visited) { visited_ = visited; } |
| bool was_visited() const { return visited_; } |
| |
| private: |
| void GetAllConfigurations(); |
| void OpenOnBlockingThread(const OpenCallback& callback); |
| void Opened(PlatformUsbDeviceHandle platform_handle, |
| const OpenCallback& callback); |
| |
| base::ThreadChecker thread_checker_; |
| PlatformUsbDevice platform_device_; |
| bool visited_ = false; |
| |
| // Retain the context so that it will not be released before UsbDevice. |
| scoped_refptr<UsbContext> context_; |
| |
| scoped_refptr<base::SequencedTaskRunner> task_runner_; |
| scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_; |
| |
| DISALLOW_COPY_AND_ASSIGN(UsbDeviceImpl); |
| }; |
| |
| } // namespace device |
| |
| #endif // DEVICE_USB_USB_DEVICE_IMPL_H_ |