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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" |
13 #include "device/usb/usb_device.h" | 14 #include "device/usb/usb_device.h" |
14 | 15 |
15 struct libusb_device; | 16 struct libusb_device; |
16 struct libusb_config_descriptor; | 17 struct libusb_config_descriptor; |
17 | 18 |
18 namespace base { | 19 namespace base { |
19 class SingleThreadTaskRunner; | 20 class SingleThreadTaskRunner; |
20 } | 21 } |
21 | 22 |
22 namespace device { | 23 namespace device { |
23 | 24 |
24 class UsbDeviceHandleImpl; | 25 class UsbDeviceHandleImpl; |
25 class UsbContext; | 26 class UsbContext; |
26 | 27 |
27 typedef libusb_device* PlatformUsbDevice; | 28 typedef libusb_device* PlatformUsbDevice; |
28 typedef libusb_config_descriptor* PlatformUsbConfigDescriptor; | 29 typedef libusb_config_descriptor* PlatformUsbConfigDescriptor; |
29 | 30 |
30 class UsbDeviceImpl : public UsbDevice { | 31 class UsbDeviceImpl : public UsbDevice { |
31 public: | 32 public: |
32 // UsbDevice implementation: | 33 // UsbDevice implementation: |
33 #if defined(OS_CHROMEOS) | 34 #if defined(OS_CHROMEOS) |
34 virtual void RequestUsbAccess( | 35 virtual void RequestUsbAccess( |
35 int interface_id, | 36 int interface_id, |
36 const base::Callback<void(bool success)>& callback) OVERRIDE; | 37 const base::Callback<void(bool success)>& callback) OVERRIDE; |
37 #endif // OS_CHROMEOS | 38 #endif // OS_CHROMEOS |
38 virtual scoped_refptr<UsbDeviceHandle> Open() OVERRIDE; | 39 virtual scoped_refptr<UsbDeviceHandle> Open() OVERRIDE; |
39 virtual bool Close(scoped_refptr<UsbDeviceHandle> handle) OVERRIDE; | 40 virtual bool Close(scoped_refptr<UsbDeviceHandle> handle) OVERRIDE; |
40 virtual scoped_refptr<UsbConfigDescriptor> ListInterfaces() OVERRIDE; | 41 virtual const UsbConfigDescriptor& GetConfiguration() OVERRIDE; |
41 | 42 |
42 protected: | 43 protected: |
43 friend class UsbServiceImpl; | 44 friend class UsbServiceImpl; |
44 | 45 |
45 // Called by UsbServiceImpl only; | 46 // Called by UsbServiceImpl only; |
46 UsbDeviceImpl(scoped_refptr<UsbContext> context, | 47 UsbDeviceImpl(scoped_refptr<UsbContext> context, |
47 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner, | 48 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner, |
48 PlatformUsbDevice platform_device, | 49 PlatformUsbDevice platform_device, |
49 uint16 vendor_id, | 50 uint16 vendor_id, |
50 uint16 product_id, | 51 uint16 product_id, |
51 uint32 unique_id); | 52 uint32 unique_id); |
52 | 53 |
53 virtual ~UsbDeviceImpl(); | 54 virtual ~UsbDeviceImpl(); |
54 | 55 |
55 // Called only be UsbService. | 56 // Called only be UsbService. |
56 void OnDisconnect(); | 57 void OnDisconnect(); |
57 | 58 |
58 private: | 59 private: |
59 base::ThreadChecker thread_checker_; | 60 base::ThreadChecker thread_checker_; |
60 PlatformUsbDevice platform_device_; | 61 PlatformUsbDevice platform_device_; |
61 | 62 |
| 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 |
62 // Retain the context so that it will not be released before UsbDevice. | 68 // Retain the context so that it will not be released before UsbDevice. |
63 scoped_refptr<UsbContext> context_; | 69 scoped_refptr<UsbContext> context_; |
64 | 70 |
65 // Opened handles. | 71 // Opened handles. |
66 typedef std::vector<scoped_refptr<UsbDeviceHandleImpl> > HandlesVector; | 72 typedef std::vector<scoped_refptr<UsbDeviceHandleImpl> > HandlesVector; |
67 HandlesVector handles_; | 73 HandlesVector handles_; |
68 | 74 |
69 // Reference to the UI thread for permission-broker calls. | 75 // Reference to the UI thread for permission-broker calls. |
70 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_; | 76 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_; |
71 | 77 |
72 DISALLOW_COPY_AND_ASSIGN(UsbDeviceImpl); | 78 DISALLOW_COPY_AND_ASSIGN(UsbDeviceImpl); |
73 }; | 79 }; |
74 | 80 |
75 } // namespace device | 81 } // namespace device |
76 | 82 |
77 #endif // DEVICE_USB_USB_DEVICE_IMPL_H_ | 83 #endif // DEVICE_USB_USB_DEVICE_IMPL_H_ |
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