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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef DEVICE_USB_USB_DEVICE_IMPL_H_ | 5 #ifndef DEVICE_USB_USB_DEVICE_IMPL_H_ |
6 #define DEVICE_USB_USB_DEVICE_IMPL_H_ | 6 #define DEVICE_USB_USB_DEVICE_IMPL_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "base/callback.h" | 11 #include "base/callback.h" |
12 #include "base/threading/thread_checker.h" | 12 #include "base/threading/thread_checker.h" |
13 #include "device/usb/usb_descriptors.h" | |
14 #include "device/usb/usb_device.h" | 13 #include "device/usb/usb_device.h" |
15 | 14 |
16 struct libusb_device; | 15 struct libusb_device; |
17 struct libusb_config_descriptor; | 16 struct libusb_config_descriptor; |
18 | 17 |
19 namespace base { | 18 namespace base { |
20 class SingleThreadTaskRunner; | 19 class SingleThreadTaskRunner; |
21 } | 20 } |
22 | 21 |
23 namespace device { | 22 namespace device { |
24 | 23 |
25 class UsbDeviceHandleImpl; | 24 class UsbDeviceHandleImpl; |
26 class UsbContext; | 25 class UsbContext; |
27 | 26 |
28 typedef libusb_device* PlatformUsbDevice; | 27 typedef libusb_device* PlatformUsbDevice; |
29 typedef libusb_config_descriptor* PlatformUsbConfigDescriptor; | 28 typedef libusb_config_descriptor* PlatformUsbConfigDescriptor; |
30 | 29 |
31 class UsbDeviceImpl : public UsbDevice { | 30 class UsbDeviceImpl : public UsbDevice { |
32 public: | 31 public: |
33 // UsbDevice implementation: | 32 // UsbDevice implementation: |
34 #if defined(OS_CHROMEOS) | 33 #if defined(OS_CHROMEOS) |
35 virtual void RequestUsbAccess( | 34 virtual void RequestUsbAccess( |
36 int interface_id, | 35 int interface_id, |
37 const base::Callback<void(bool success)>& callback) OVERRIDE; | 36 const base::Callback<void(bool success)>& callback) OVERRIDE; |
38 #endif // OS_CHROMEOS | 37 #endif // OS_CHROMEOS |
39 virtual scoped_refptr<UsbDeviceHandle> Open() OVERRIDE; | 38 virtual scoped_refptr<UsbDeviceHandle> Open() OVERRIDE; |
40 virtual bool Close(scoped_refptr<UsbDeviceHandle> handle) OVERRIDE; | 39 virtual bool Close(scoped_refptr<UsbDeviceHandle> handle) OVERRIDE; |
41 virtual const UsbConfigDescriptor& GetConfiguration() OVERRIDE; | 40 virtual scoped_refptr<UsbConfigDescriptor> ListInterfaces() OVERRIDE; |
42 | 41 |
43 protected: | 42 protected: |
44 friend class UsbServiceImpl; | 43 friend class UsbServiceImpl; |
45 | 44 |
46 // Called by UsbServiceImpl only; | 45 // Called by UsbServiceImpl only; |
47 UsbDeviceImpl(scoped_refptr<UsbContext> context, | 46 UsbDeviceImpl(scoped_refptr<UsbContext> context, |
48 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner, | 47 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner, |
49 PlatformUsbDevice platform_device, | 48 PlatformUsbDevice platform_device, |
50 uint16 vendor_id, | 49 uint16 vendor_id, |
51 uint16 product_id, | 50 uint16 product_id, |
52 uint32 unique_id); | 51 uint32 unique_id); |
53 | 52 |
54 virtual ~UsbDeviceImpl(); | 53 virtual ~UsbDeviceImpl(); |
55 | 54 |
56 // Called only be UsbService. | 55 // Called only be UsbService. |
57 void OnDisconnect(); | 56 void OnDisconnect(); |
58 | 57 |
59 private: | 58 private: |
60 base::ThreadChecker thread_checker_; | 59 base::ThreadChecker thread_checker_; |
61 PlatformUsbDevice platform_device_; | 60 PlatformUsbDevice platform_device_; |
62 | 61 |
63 // The active configuration descriptor is not read immediately but cached for | |
64 // later use. | |
65 bool current_configuration_cached_; | |
66 UsbConfigDescriptor current_configuration_; | |
67 | |
68 // Retain the context so that it will not be released before UsbDevice. | 62 // Retain the context so that it will not be released before UsbDevice. |
69 scoped_refptr<UsbContext> context_; | 63 scoped_refptr<UsbContext> context_; |
70 | 64 |
71 // Opened handles. | 65 // Opened handles. |
72 typedef std::vector<scoped_refptr<UsbDeviceHandleImpl> > HandlesVector; | 66 typedef std::vector<scoped_refptr<UsbDeviceHandleImpl> > HandlesVector; |
73 HandlesVector handles_; | 67 HandlesVector handles_; |
74 | 68 |
75 // Reference to the UI thread for permission-broker calls. | 69 // Reference to the UI thread for permission-broker calls. |
76 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_; | 70 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_; |
77 | 71 |
78 DISALLOW_COPY_AND_ASSIGN(UsbDeviceImpl); | 72 DISALLOW_COPY_AND_ASSIGN(UsbDeviceImpl); |
79 }; | 73 }; |
80 | 74 |
81 } // namespace device | 75 } // namespace device |
82 | 76 |
83 #endif // DEVICE_USB_USB_DEVICE_IMPL_H_ | 77 #endif // DEVICE_USB_USB_DEVICE_IMPL_H_ |
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