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.
5 #ifndef EXTENSIONS_BROWSER_API_HID_HID_DEVICE_MANAGER_H_
6 #define EXTENSIONS_BROWSER_API_HID_HID_DEVICE_MANAGER_H_
12 #include "base/basictypes.h"
13 #include "base/memory/ref_counted.h"
14 #include "base/memory/scoped_ptr.h"
15 #include "base/threading/thread_checker.h"
16 #include "device/hid/hid_device_info.h"
17 #include "extensions/browser/browser_context_keyed_api_factory.h"
18 #include "extensions/common/api/hid.h"
21 class HidDeviceFilter;
24 namespace extensions {
28 class HidDeviceManager : public BrowserContextKeyedAPI {
30 explicit HidDeviceManager(content::BrowserContext* context);
31 ~HidDeviceManager() override;
33 // BrowserContextKeyedAPI implementation.
34 static BrowserContextKeyedAPIFactory<HidDeviceManager>* GetFactoryInstance();
36 // Convenience method to get the HidDeviceManager for a profile.
37 static HidDeviceManager* Get(content::BrowserContext* context) {
38 return BrowserContextKeyedAPIFactory<HidDeviceManager>::Get(context);
41 scoped_ptr<base::ListValue> GetApiDevices(
42 const Extension* extension,
43 const std::vector<device::HidDeviceFilter>& filters);
45 bool GetDeviceInfo(int resource_id, device::HidDeviceInfo* device_info);
47 bool HasPermission(const Extension* extension,
48 const device::HidDeviceInfo& device_info);
51 friend class BrowserContextKeyedAPIFactory<HidDeviceManager>;
53 static const char* service_name() { return "HidDeviceManager"; }
54 static bool IsCalledOnValidThread();
58 static const bool kServiceHasOwnInstanceInIncognito = true;
60 int next_resource_id_;
62 typedef std::map<int, device::HidDeviceId> ResourceIdToDeviceIdMap;
63 typedef std::map<device::HidDeviceId, int> DeviceIdToResourceIdMap;
65 ResourceIdToDeviceIdMap device_ids_;
66 DeviceIdToResourceIdMap resource_ids_;
68 DISALLOW_COPY_AND_ASSIGN(HidDeviceManager);
71 } // namespace extensions
73 #endif // EXTENSIONS_BROWSER_API_HID_HID_DEVICE_MANAGER_H_