Index: device/usb/usb_device_handle_win.h |
diff --git a/device/usb/usb_device_handle_win.h b/device/usb/usb_device_handle_win.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..9b6b33c90552947093461917b71c33e1ebc9d89a |
--- /dev/null |
+++ b/device/usb/usb_device_handle_win.h |
@@ -0,0 +1,130 @@ |
+// 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 DEVICE_USB_USB_DEVICE_HANDLE_WIN_H_ |
+#define DEVICE_USB_USB_DEVICE_HANDLE_WIN_H_ |
+ |
+#include <list> |
+#include <vector> |
+ |
+#include "base/callback.h" |
+#include "base/macros.h" |
+#include "base/memory/ref_counted.h" |
+#include "base/memory/weak_ptr.h" |
+#include "base/threading/thread_checker.h" |
+#include "base/win/scoped_handle.h" |
+#include "device/usb/usb_device_handle.h" |
+ |
+namespace base { |
+class SequencedTaskRunner; |
+class SingleThreadTaskRunner; |
+} |
+ |
+namespace net { |
+class IOBuffer; |
+} |
+ |
+namespace device { |
+ |
+class UsbDeviceWin; |
+ |
+// UsbDeviceHandle class provides basic I/O related functionalities. |
+class UsbDeviceHandleWin : public UsbDeviceHandle { |
+ public: |
+ scoped_refptr<UsbDevice> GetDevice() const override; |
+ void Close() override; |
+ void SetConfiguration(int configuration_value, |
+ const ResultCallback& callback) override; |
+ void ClaimInterface(int interface_number, |
+ const ResultCallback& callback) override; |
+ void ReleaseInterface(int interface_number, |
+ const ResultCallback& callback) override; |
+ void SetInterfaceAlternateSetting(int interface_number, |
+ int alternate_setting, |
+ const ResultCallback& callback) override; |
+ void ResetDevice(const ResultCallback& callback) override; |
+ void ClearHalt(uint8_t endpoint, const ResultCallback& callback) override; |
+ |
+ void ControlTransfer(UsbEndpointDirection direction, |
+ TransferRequestType request_type, |
+ TransferRecipient recipient, |
+ uint8_t request, |
+ uint16_t value, |
+ uint16_t index, |
+ scoped_refptr<net::IOBuffer> buffer, |
+ size_t length, |
+ unsigned int timeout, |
+ const TransferCallback& callback) override; |
+ |
+ void IsochronousTransferIn( |
+ uint8_t endpoint, |
+ const std::vector<uint32_t>& packet_lengths, |
+ unsigned int timeout, |
+ const IsochronousTransferCallback& callback) override; |
+ |
+ void IsochronousTransferOut( |
+ uint8_t endpoint, |
+ scoped_refptr<net::IOBuffer> buffer, |
+ const std::vector<uint32_t>& packet_lengths, |
+ unsigned int timeout, |
+ const IsochronousTransferCallback& callback) override; |
+ |
+ void GenericTransfer(UsbEndpointDirection direction, |
+ uint8_t endpoint_number, |
+ scoped_refptr<net::IOBuffer> buffer, |
+ size_t length, |
+ unsigned int timeout, |
+ const TransferCallback& callback) override; |
+ const UsbInterfaceDescriptor* FindInterfaceByEndpoint( |
+ uint8_t endpoint_address) override; |
+ |
+ protected: |
+ friend class UsbDeviceWin; |
+ |
+ // Constructor used to build a connection to the device's parent hub. |
+ UsbDeviceHandleWin( |
+ scoped_refptr<UsbDeviceWin> device, |
+ base::win::ScopedHandle handle, |
+ scoped_refptr<base::SequencedTaskRunner> blocking_task_runner); |
+ |
+ ~UsbDeviceHandleWin() override; |
+ |
+ private: |
+ class Request; |
+ |
+ std::unique_ptr<Request> UnlinkRequest(Request* request); |
+ void GotNodeConnectionInformation(const TransferCallback& callback, |
+ void* node_connection_info, |
+ scoped_refptr<net::IOBuffer> buffer, |
+ size_t buffer_length, |
+ Request* request_ptr, |
+ DWORD win32_result, |
+ size_t bytes_transferred); |
+ void GotDescriptorFromNodeConnection( |
+ const TransferCallback& callback, |
+ scoped_refptr<net::IOBuffer> request_buffer, |
+ scoped_refptr<net::IOBuffer> original_buffer, |
+ size_t original_buffer_length, |
+ Request* request_ptr, |
+ DWORD win32_result, |
+ size_t bytes_transferred); |
+ |
+ base::ThreadChecker thread_checker_; |
+ |
+ scoped_refptr<UsbDeviceWin> device_; |
+ |
+ base::win::ScopedHandle hub_handle_; |
+ std::list<std::unique_ptr<Request>> requests_; |
Ken Rockot(use gerrit already)
2017/02/17 20:27:07
nit: Maybe worth documenting that hub_handle_ must
Reilly Grant (use Gerrit)
2017/02/18 00:45:49
Done.
|
+ |
+ scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
+ scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_; |
+ |
+ base::WeakPtrFactory<UsbDeviceHandleWin> weak_factory_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(UsbDeviceHandleWin); |
+}; |
+ |
+} // namespace device |
+ |
+#endif // DEVICE_USB_USB_DEVICE_HANDLE_WIN_H_ |