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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 CHROME_BROWSER_USB_USB_SERVICE_H_ | 5 #ifndef COMPONENTS_USB_SERVICE_USB_SERVICE_H_ |
6 #define CHROME_BROWSER_USB_USB_SERVICE_H_ | 6 #define COMPONENTS_USB_SERVICE_USB_SERVICE_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <utility> | 9 #include <utility> |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/basictypes.h" | 12 #include "base/basictypes.h" |
13 #include "base/memory/ref_counted.h" | 13 #include "base/memory/ref_counted.h" |
14 #include "base/memory/scoped_ptr.h" | 14 #include "base/memory/scoped_ptr.h" |
15 #include "base/message_loop/message_loop.h" | 15 #include "base/message_loop/message_loop.h" |
16 #include "base/threading/non_thread_safe.h" | 16 #include "base/threading/non_thread_safe.h" |
| 17 #include "components/usb_service/usb_service_export.h" |
| 18 |
| 19 struct libusb_device; |
| 20 struct libusb_context; |
| 21 |
| 22 namespace usb_service { |
17 | 23 |
18 typedef struct libusb_device* PlatformUsbDevice; | 24 typedef struct libusb_device* PlatformUsbDevice; |
19 typedef struct libusb_context* PlatformUsbContext; | 25 typedef struct libusb_context* PlatformUsbContext; |
20 | 26 |
21 class UsbContext; | 27 class UsbContext; |
22 class UsbDevice; | 28 class UsbDevice; |
23 | 29 |
24 // The USB service handles creating and managing an event handler thread that is | 30 // The USB service handles creating and managing an event handler thread that is |
25 // used to manage and dispatch USB events. It is also responsible for device | 31 // used to manage and dispatch USB events. It is also responsible for device |
26 // discovery on the system, which allows it to re-use device handles to prevent | 32 // discovery on the system, which allows it to re-use device handles to prevent |
27 // competition for the same USB device. | 33 // competition for the same USB device. |
28 class UsbService : public base::MessageLoop::DestructionObserver, | 34 class USB_SERVICE_EXPORT UsbService |
29 public base::NonThreadSafe { | 35 : public base::MessageLoop::DestructionObserver, |
| 36 public base::NonThreadSafe { |
30 public: | 37 public: |
31 typedef scoped_ptr<std::vector<scoped_refptr<UsbDevice> > > | 38 typedef scoped_ptr<std::vector<scoped_refptr<UsbDevice> > > |
32 ScopedDeviceVector; | 39 ScopedDeviceVector; |
33 | 40 |
34 // Must be called on FILE thread. | 41 // Must be called on FILE thread. |
35 // Returns NULL when failed to initialized. | 42 // Returns NULL when failed to initialized. |
36 static UsbService* GetInstance(); | 43 static UsbService* GetInstance(); |
37 | 44 |
38 scoped_refptr<UsbDevice> GetDeviceById(uint32 unique_id); | 45 scoped_refptr<UsbDevice> GetDeviceById(uint32 unique_id); |
39 | 46 |
(...skipping 19 matching lines...) Expand all Loading... |
59 // TODO(ikarienator): Figure out a better solution. | 66 // TODO(ikarienator): Figure out a better solution. |
60 uint32 next_unique_id_; | 67 uint32 next_unique_id_; |
61 | 68 |
62 // The map from PlatformUsbDevices to UsbDevices. | 69 // The map from PlatformUsbDevices to UsbDevices. |
63 typedef std::map<PlatformUsbDevice, scoped_refptr<UsbDevice> > DeviceMap; | 70 typedef std::map<PlatformUsbDevice, scoped_refptr<UsbDevice> > DeviceMap; |
64 DeviceMap devices_; | 71 DeviceMap devices_; |
65 | 72 |
66 DISALLOW_COPY_AND_ASSIGN(UsbService); | 73 DISALLOW_COPY_AND_ASSIGN(UsbService); |
67 }; | 74 }; |
68 | 75 |
69 #endif // CHROME_BROWSER_USB_USB_SERVICE_H_ | 76 } // namespace usb_service |
| 77 |
| 78 #endif // COMPONENTS_USB_SERVICE_USB_SERVICE_H_ |
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