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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_ | |
6 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_ | |
7 | |
8 #include <map> | |
9 | |
10 #include "base/memory/ref_counted.h" | |
11 #include "base/memory/scoped_vector.h" | |
12 #include "chrome/browser/chromeos/bluetooth/bluetooth_adapter.h" | |
13 #include "chrome/browser/chromeos/bluetooth/bluetooth_socket.h" | |
14 #include "chrome/browser/profiles/profile.h" | |
15 #include "chrome/common/extensions/api/experimental_bluetooth.h" | |
16 | |
17 namespace chromeos { | |
18 | |
19 class ExtensionBluetoothEventRouter | |
20 : public chromeos::BluetoothAdapter::Observer { | |
21 public: | |
22 explicit ExtensionBluetoothEventRouter(Profile* profile); | |
23 virtual ~ExtensionBluetoothEventRouter(); | |
24 | |
25 const chromeos::BluetoothAdapter& adapter() const { return *adapter_.get(); } | |
26 | |
27 // GetMutableAdapter will never return NULL. | |
28 chromeos::BluetoothAdapter* GetMutableAdapter() { return adapter_.get(); } | |
29 | |
30 // Register the BluetoothSocket |socket| for use by the extensions system. | |
31 // This class will hold onto the socket for its lifetime, or until | |
32 // ReleaseSocket is called for the socket. Returns an id for the socket. | |
33 int RegisterSocket(scoped_refptr<BluetoothSocket> socket); | |
34 | |
35 // Release the BluetoothSocket corresponding to |id|. Returns true if | |
36 // the socket was found and released, false otherwise. | |
37 bool ReleaseSocket(int id); | |
38 | |
39 // Get the BluetoothSocket corresponding to |id|. | |
40 scoped_refptr<BluetoothSocket> GetSocket(int id); | |
41 | |
42 // Sets whether this Profile is responsible for the discovering state of the | |
43 // adapter. | |
44 void SetResponsibleForDiscovery(bool responsible); | |
45 bool IsResponsibleForDiscovery() const; | |
46 | |
47 // Sets whether or not DeviceAdded events will be dispatched to extensions. | |
48 void SetSendDiscoveryEvents(bool should_send); | |
49 | |
50 // Dispatch an event that takes a device as a parameter to all renderers. | |
51 void DispatchDeviceEvent( | |
52 const char* event_name, | |
53 const extensions::api::experimental_bluetooth::Device& device); | |
54 | |
55 // Override from chromeos::BluetoothAdapter::Observer | |
56 virtual void AdapterPresentChanged(chromeos::BluetoothAdapter* adapter, | |
57 bool present) OVERRIDE; | |
58 virtual void AdapterPoweredChanged(chromeos::BluetoothAdapter* adapter, | |
59 bool has_power) OVERRIDE; | |
60 virtual void AdapterDiscoveringChanged(chromeos::BluetoothAdapter* adapter, | |
61 bool discovering) OVERRIDE; | |
62 virtual void DeviceAdded(chromeos::BluetoothAdapter* adapter, | |
63 chromeos::BluetoothDevice* device) OVERRIDE; | |
64 | |
65 // Exposed for testing. | |
66 void SetAdapterForTest(chromeos::BluetoothAdapter* adapter) { | |
67 adapter_ = adapter; | |
68 } | |
69 private: | |
70 void DispatchBooleanValueEvent(const char* event_name, bool value); | |
71 | |
72 bool send_discovery_events_; | |
73 bool responsible_for_discovery_; | |
74 | |
75 Profile* profile_; | |
76 scoped_refptr<chromeos::BluetoothAdapter> adapter_; | |
77 | |
78 // The next id to use for referring to a BluetoothSocket. We avoid using | |
79 // the fd of the socket because we don't want to leak that information to | |
80 // the extension javascript. | |
81 int next_socket_id_; | |
82 | |
83 typedef std::map<int, scoped_refptr<BluetoothSocket> > SocketMap; | |
84 SocketMap socket_map_; | |
85 | |
86 typedef ScopedVector<extensions::api::experimental_bluetooth::Device> | |
87 DeviceList; | |
88 DeviceList discovered_devices_; | |
89 | |
90 DISALLOW_COPY_AND_ASSIGN(ExtensionBluetoothEventRouter); | |
91 }; | |
92 | |
93 } // namespace chromeos | |
94 | |
95 #endif // CHROME_BROWSER_CHROMEOS_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_ | |
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