1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_QUICK_PAIR_KEYED_SERVICE_BATTERY_UPDATE_MESSAGE_HANDLER_H_
#define ASH_QUICK_PAIR_KEYED_SERVICE_BATTERY_UPDATE_MESSAGE_HANDLER_H_
#include <string>
#include "ash/quick_pair/message_stream/message_stream.h"
#include "ash/quick_pair/message_stream/message_stream_lookup.h"
#include "base/containers/flat_map.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "base/scoped_observation.h"
namespace device {
class BluetoothAdapter;
} // namespace device
namespace ash {
namespace quick_pair {
// Observes MessageStreams instances for devices when they are created, and
// on battery update messages, adds the battery information to the bluetooth
// device.
class BatteryUpdateMessageHandler : public MessageStreamLookup::Observer,
public MessageStream::Observer {
public:
explicit BatteryUpdateMessageHandler(
MessageStreamLookup* message_stream_lookup);
BatteryUpdateMessageHandler(const BatteryUpdateMessageHandler&) = delete;
BatteryUpdateMessageHandler& operator=(const BatteryUpdateMessageHandler&) =
delete;
~BatteryUpdateMessageHandler() override;
private:
// MessageStreamLookup::Observer
void OnMessageStreamConnected(const std::string& device_address,
MessageStream* message_stream) override;
// MessageStream::Observer
void OnBatteryUpdateMessage(
const std::string& device_address,
const mojom::BatteryUpdatePtr& battery_update) override;
void OnDisconnected(const std::string& device_address) override;
void OnMessageStreamDestroyed(const std::string& device_address) override;
// Internal method called by BluetoothAdapterFactory to provide the adapter
// object.
void OnGetAdapter(scoped_refptr<device::BluetoothAdapter> adapter);
// Parses MessageStream messages for battery update, and notifies observers
// if it exists.
void GetBatteryUpdateFromMessageStream(const std::string& device_address,
MessageStream* message_stream);
// Sets the battery information on the bluetooth device at |device_address|.
void SetBatteryInfo(const std::string& device_address,
const mojom::BatteryUpdatePtr& battery_update);
// Cleans up memory associated with a MessageStream corresponding to
// |device_address| if it exists.
void CleanUpMessageStream(const std::string& device_address);
// Map of the classic pairing address to their corresponding MessageStreams.
base::flat_map<std::string, raw_ptr<MessageStream, CtnExperimental>>
message_streams_;
scoped_refptr<device::BluetoothAdapter> adapter_;
base::ScopedObservation<MessageStreamLookup, MessageStreamLookup::Observer>
message_stream_lookup_observation_{this};
base::WeakPtrFactory<BatteryUpdateMessageHandler> weak_ptr_factory_{this};
};
} // namespace quick_pair
} // namespace ash
#endif // ASH_QUICK_PAIR_KEYED_SERVICE_BATTERY_UPDATE_MESSAGE_HANDLER_H_
|
