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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_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_ |
6 #define CHROME_BROWSER_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
| 9 #include <string> |
9 | 10 |
10 #include "base/memory/ref_counted.h" | 11 #include "base/memory/ref_counted.h" |
11 #include "base/memory/scoped_vector.h" | 12 #include "base/memory/scoped_vector.h" |
12 #include "chrome/browser/profiles/profile.h" | 13 #include "chrome/browser/profiles/profile.h" |
13 #include "chrome/common/extensions/api/bluetooth.h" | 14 #include "chrome/common/extensions/api/bluetooth.h" |
14 #include "device/bluetooth/bluetooth_adapter.h" | 15 #include "device/bluetooth/bluetooth_adapter.h" |
15 #include "device/bluetooth/bluetooth_socket.h" | 16 #include "device/bluetooth/bluetooth_socket.h" |
16 | 17 |
17 namespace extensions { | 18 namespace extensions { |
18 | 19 |
19 class ExtensionBluetoothEventRouter | 20 class ExtensionBluetoothEventRouter |
20 : public device::BluetoothAdapter::Observer { | 21 : public device::BluetoothAdapter::Observer { |
21 public: | 22 public: |
22 explicit ExtensionBluetoothEventRouter(Profile* profile); | 23 explicit ExtensionBluetoothEventRouter(Profile* profile); |
23 virtual ~ExtensionBluetoothEventRouter(); | 24 virtual ~ExtensionBluetoothEventRouter(); |
24 | 25 |
25 // adapter() will return NULL if the bluetooth adapter is not supported in the | 26 // adapter() will return NULL if the bluetooth adapter is not supported in the |
26 // current platform. | 27 // current platform. |
27 const device::BluetoothAdapter* adapter() const { | 28 scoped_refptr<const device::BluetoothAdapter> adapter(); |
28 return adapter_.get(); | |
29 } | |
30 | 29 |
31 // GetMutableAdapter will return NULL if the bluetooth adapter is not | 30 // GetMutableAdapter will return NULL if the bluetooth adapter is not |
32 // supported in the current platform. | 31 // supported in the current platform. |
33 device::BluetoothAdapter* GetMutableAdapter() { | 32 scoped_refptr<device::BluetoothAdapter> GetMutableAdapter(); |
34 return adapter_.get(); | 33 |
35 } | 34 // Called when an event listener is added. |
| 35 void OnEventListenerAdded(const std::string& event_name); |
| 36 |
| 37 // Called when an event listener is removed. |
| 38 void OnEventListenerRemoved(const std::string& event_name); |
36 | 39 |
37 // Register the BluetoothSocket |socket| for use by the extensions system. | 40 // Register the BluetoothSocket |socket| for use by the extensions system. |
38 // This class will hold onto the socket for its lifetime, or until | 41 // This class will hold onto the socket for its lifetime, or until |
39 // ReleaseSocket is called for the socket. Returns an id for the socket. | 42 // ReleaseSocket is called for the socket. Returns an id for the socket. |
40 int RegisterSocket(scoped_refptr<device::BluetoothSocket> socket); | 43 int RegisterSocket(scoped_refptr<device::BluetoothSocket> socket); |
41 | 44 |
42 // Release the BluetoothSocket corresponding to |id|. Returns true if | 45 // Release the BluetoothSocket corresponding to |id|. Returns true if |
43 // the socket was found and released, false otherwise. | 46 // the socket was found and released, false otherwise. |
44 bool ReleaseSocket(int id); | 47 bool ReleaseSocket(int id); |
45 | 48 |
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66 bool has_power) OVERRIDE; | 69 bool has_power) OVERRIDE; |
67 virtual void AdapterDiscoveringChanged(device::BluetoothAdapter* adapter, | 70 virtual void AdapterDiscoveringChanged(device::BluetoothAdapter* adapter, |
68 bool discovering) OVERRIDE; | 71 bool discovering) OVERRIDE; |
69 virtual void DeviceAdded(device::BluetoothAdapter* adapter, | 72 virtual void DeviceAdded(device::BluetoothAdapter* adapter, |
70 device::BluetoothDevice* device) OVERRIDE; | 73 device::BluetoothDevice* device) OVERRIDE; |
71 | 74 |
72 // Exposed for testing. | 75 // Exposed for testing. |
73 void SetAdapterForTest(device::BluetoothAdapter* adapter) { | 76 void SetAdapterForTest(device::BluetoothAdapter* adapter) { |
74 adapter_ = adapter; | 77 adapter_ = adapter; |
75 } | 78 } |
| 79 |
76 private: | 80 private: |
| 81 static bool IsBluetoothEvent(const std::string& event_name); |
| 82 |
| 83 bool IsAdapterNeeded() const; |
| 84 |
| 85 void InitializeAdapterIfNeeded(); |
| 86 void MaybeReleaseAdapter(); |
| 87 |
77 void DispatchBooleanValueEvent(const char* event_name, bool value); | 88 void DispatchBooleanValueEvent(const char* event_name, bool value); |
78 | 89 |
79 bool send_discovery_events_; | 90 bool send_discovery_events_; |
80 bool responsible_for_discovery_; | 91 bool responsible_for_discovery_; |
81 | 92 |
82 Profile* profile_; | 93 Profile* profile_; |
83 scoped_refptr<device::BluetoothAdapter> adapter_; | 94 scoped_refptr<device::BluetoothAdapter> adapter_; |
84 | 95 |
| 96 int num_event_listeners_; |
| 97 |
85 // The next id to use for referring to a BluetoothSocket. We avoid using | 98 // The next id to use for referring to a BluetoothSocket. We avoid using |
86 // the fd of the socket because we don't want to leak that information to | 99 // the fd of the socket because we don't want to leak that information to |
87 // the extension javascript. | 100 // the extension javascript. |
88 int next_socket_id_; | 101 int next_socket_id_; |
89 | 102 |
90 typedef std::map<int, scoped_refptr<device::BluetoothSocket> > SocketMap; | 103 typedef std::map<int, scoped_refptr<device::BluetoothSocket> > SocketMap; |
91 SocketMap socket_map_; | 104 SocketMap socket_map_; |
92 | 105 |
93 typedef ScopedVector<extensions::api::bluetooth::Device> | 106 typedef ScopedVector<extensions::api::bluetooth::Device> |
94 DeviceList; | 107 DeviceList; |
95 DeviceList discovered_devices_; | 108 DeviceList discovered_devices_; |
96 | 109 |
97 DISALLOW_COPY_AND_ASSIGN(ExtensionBluetoothEventRouter); | 110 DISALLOW_COPY_AND_ASSIGN(ExtensionBluetoothEventRouter); |
98 }; | 111 }; |
99 | 112 |
100 } // namespace extensions | 113 } // namespace extensions |
101 | 114 |
102 #endif // CHROME_BROWSER_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_ | 115 #endif // CHROME_BROWSER_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_ |
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