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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 CHROME_BROWSER_EXTENSIONS_API_HID_HID_DEVICE_MANAGER_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_API_HID_HID_DEVICE_MANAGER_H_ |
| 6 #define CHROME_BROWSER_EXTENSIONS_API_HID_HID_DEVICE_MANAGER_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_API_HID_HID_DEVICE_MANAGER_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include <map> | 10 #include <map> |
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| 37 | 37 |
| 38 bool GetDeviceInfo(int resource_id, device::HidDeviceInfo* device_info); | 38 bool GetDeviceInfo(int resource_id, device::HidDeviceInfo* device_info); |
| 39 | 39 |
| 40 private: | 40 private: |
| 41 friend class BrowserContextKeyedAPIFactory<HidDeviceManager>; | 41 friend class BrowserContextKeyedAPIFactory<HidDeviceManager>; |
| 42 | 42 |
| 43 static const char* service_name() { return "HidDeviceManager"; } | 43 static const char* service_name() { return "HidDeviceManager"; } |
| 44 | 44 |
| 45 void UpdateDevices(); | 45 void UpdateDevices(); |
| 46 | 46 |
| 47 // Determines if a given device interface should be accessible to API | |
| 48 // consumers. In order for a device interface to be accessible, ALL of its | |
| 49 // specified usages must be accessible. | |
| 50 static bool IsDeviceAccessible(const device::HidDeviceInfo& device_info); | |
| 51 | |
| 52 // Determines if a given usage is available to API consumers. This is used to | |
| 53 // blacklist usages which could be security or privacy concerns. | |
| 54 static bool IsUsageAccessible(const device::HidUsageAndPage& usage_and_page); | |
| 55 | |
| 56 base::ThreadChecker thread_checker_; | 47 base::ThreadChecker thread_checker_; |
| 57 | 48 |
| 58 int next_resource_id_; | 49 int next_resource_id_; |
| 59 | 50 |
| 60 typedef std::map<int, device::HidDeviceId> ResourceIdToDeviceIdMap; | 51 typedef std::map<int, device::HidDeviceId> ResourceIdToDeviceIdMap; |
| 61 typedef std::map<device::HidDeviceId, int> DeviceIdToResourceIdMap; | 52 typedef std::map<device::HidDeviceId, int> DeviceIdToResourceIdMap; |
| 62 | 53 |
| 63 ResourceIdToDeviceIdMap device_ids_; | 54 ResourceIdToDeviceIdMap device_ids_; |
| 64 DeviceIdToResourceIdMap resource_ids_; | 55 DeviceIdToResourceIdMap resource_ids_; |
| 65 | 56 |
| 66 DISALLOW_COPY_AND_ASSIGN(HidDeviceManager); | 57 DISALLOW_COPY_AND_ASSIGN(HidDeviceManager); |
| 67 }; | 58 }; |
| 68 | 59 |
| 69 } // namespace extensions | 60 } // namespace extensions |
| 70 | 61 |
| 71 #endif // CHROME_BROWSER_EXTENSIONS_API_HID_HID_DEVICE_MANAGER_H_ | 62 #endif // CHROME_BROWSER_EXTENSIONS_API_HID_HID_DEVICE_MANAGER_H_ |
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