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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_BROWSER_EXTENSIONS_API_HID_HID_DEVICE_MANAGER_H_ | |
6 #define CHROME_BROWSER_EXTENSIONS_API_HID_HID_DEVICE_MANAGER_H_ | |
7 | |
8 #include <stdint.h> | |
9 | |
10 #include <map> | |
11 | |
12 #include "base/basictypes.h" | |
13 #include "base/memory/scoped_ptr.h" | |
14 #include "base/threading/thread_checker.h" | |
15 #include "chrome/browser/profiles/profile.h" | |
16 #include "chrome/common/extensions/api/hid.h" | |
17 #include "device/hid/hid_device_info.h" | |
18 #include "extensions/browser/browser_context_keyed_api_factory.h" | |
19 | |
20 namespace extensions { | |
21 | |
22 class HidDeviceManager : public BrowserContextKeyedAPI { | |
23 public: | |
24 explicit HidDeviceManager(content::BrowserContext* context); | |
25 virtual ~HidDeviceManager(); | |
26 | |
27 // BrowserContextKeyedAPI implementation. | |
28 static BrowserContextKeyedAPIFactory<HidDeviceManager>* GetFactoryInstance(); | |
29 | |
30 // Convenience method to get the HidDeviceManager for a profile. | |
31 static HidDeviceManager* Get(content::BrowserContext* context) { | |
32 return BrowserContextKeyedAPIFactory<HidDeviceManager>::Get(context); | |
33 } | |
34 | |
35 scoped_ptr<base::ListValue> GetApiDevices(uint16_t vendor_id, | |
36 uint16_t product_id); | |
37 | |
38 bool GetDeviceInfo(int resource_id, device::HidDeviceInfo* device_info); | |
39 | |
40 private: | |
41 friend class BrowserContextKeyedAPIFactory<HidDeviceManager>; | |
42 | |
43 static const char* service_name() { return "HidDeviceManager"; } | |
44 | |
45 void UpdateDevices(); | |
46 | |
47 base::ThreadChecker thread_checker_; | |
48 | |
49 int next_resource_id_; | |
50 | |
51 typedef std::map<int, device::HidDeviceId> ResourceIdToDeviceIdMap; | |
52 typedef std::map<device::HidDeviceId, int> DeviceIdToResourceIdMap; | |
53 | |
54 ResourceIdToDeviceIdMap device_ids_; | |
55 DeviceIdToResourceIdMap resource_ids_; | |
56 | |
57 DISALLOW_COPY_AND_ASSIGN(HidDeviceManager); | |
58 }; | |
59 | |
60 } // namespace extensions | |
61 | |
62 #endif // CHROME_BROWSER_EXTENSIONS_API_HID_HID_DEVICE_MANAGER_H_ | |
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