summaryrefslogtreecommitdiffstats
path: root/app/api/BluetoothManager.qml
blob: ea33dfea0a86b0469b7e8233f5f8fe289851466b (plain)
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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
/*
 * Copyright (C) 2016 The Qt Company Ltd.
 * Copyright (C) 2017 Konsulko Group
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import QtQuick 2.6
import QtWebSockets 1.0

WebSocket {
    id: root
    active: true
    url: bindingAddress

    property string statusString: "waiting..."
    property string apiString: "Bluetooth-Manager"
    property var verbs: []
    property string payloadLength: "9999"

    property string deviceAddress: ""
    property bool connected: false
    property bool av_connected: false

    property int position: 0
    property int duration: 0

    property string artist: ""
    property string title: ""
    property string state: "stopped"

    // AVRCP Target UUID
    property string avrcp_uuid: "0000110e-0000-1000-8000-00805f9b34fb"

    // A2DP Source
    property string a2dp_uuid:  "0000110a-0000-1000-8000-00805f9b34fb"

    readonly property var msgid: {
        "call": 2,
        "retok": 3,
        "reterr": 4,
        "event": 5
    }

    onTextMessageReceived: {
        var json = JSON.parse(message)
        console.debug("Raw response: " + message)
        var request = json[2].request
        var response = json[2].response
        console.debug("response: " + JSON.stringify(response))
        switch (json[0]) {
            case msgid.call:
                break
            case msgid.retok:
                root.statusString = request.status
                var address = ""

                if (request.info == "BT - Scan Result is Displayed") {
                    for (var i = 0; i < response.list.length; i++) {
                        var data = list.response[i]
                        if (data.Connected == "True" && data.UUIDs.indexOf(avrcp_uuid) >= 0) {
                            address = data.Address
                            console.debug("Connected Device: " + address)

                            root.connected = true
                            player.pause()

                            //NOTE: This hack is here for when MediaPlayer is started
                            //      with an existing connection.
                            if (data.AVPConnected == "True") {
                                root.av_connected = true
                            }
                        }
                    }
                    root.deviceAddress = address
                    if (!address) {
                        root.connected = false
                    }
                }
                break
            case msgid.reterr:
                root.statusString = "Bad return value, binding probably not installed"
                break
            case msgid.event:
                var payload = JSON.parse(JSON.stringify(json[2]))
                var event = payload.event

                if (event == "Bluetooth-Manager/connection") {
                    sendSocketMessage("discovery_result", 'None')
                } else if (event == "Bluetooth-Manager/device_updated") {
                    var data = payload.data
                    var metadata = data.Metadata

                    if (root.deviceAddress == "")
                        root.deviceAddress = data.Address

                    if (root.deviceAddress != data.Address)
                        break

                    if (data.Connected == "False") {
                        console.debug("Device Disconnected")
                        sendSocketMessage("discovery_result", 'None')
                        break
                    }
                    root.connected = data.Connected == "True"
                    root.av_connected = data.AVPConnected == "True"

                    if ('Position' in metadata) {
                        console.debug("Position " + metadata.Position)
                        root.position = metadata.Position
                    }

                    if ('Duration' in metadata) {
                        console.debug("Duration " + metadata.Duration)
                        root.duration = metadata.Duration
                    }

                    if ('Status' in metadata) {
                        console.debug("Status " + metadata.Status)
                        root.state = metadata.Status
                    }

                    if ('Artist' in metadata) {
                        console.debug("Artist " + metadata.Artist)
                        root.artist = metadata.Artist
                    }

                    if ('Title' in metadata) {
                        console.debug("Title " + metadata.Title)
                        root.title = metadata.Title
                    }
                }
                break
        }
    }

    onStatusChanged: {
        switch (status) {
            case WebSocket.Open:
            console.debug("onStatusChanged: Open")
            sendSocketMessage("subscribe", { value : "device_updated" })
            sendSocketMessage("subscribe", { value : "connection" })
            sendSocketMessage("discovery_result", 'None')
            break
            case WebSocket.Error:
            root.statusString = "WebSocket error: " + root.errorString
            break
        }
    }

    function sendSocketMessage(verb, parameter) {
        var requestJson = [ msgid.call, payloadLength, apiString + '/'
        + verb, parameter ]
        console.debug("sendSocketMessage: " + JSON.stringify(requestJson))
        verbs.push(verb)
        root.sendTextMessage(JSON.stringify(requestJson))
    }

    function sendMediaCommand(state) {
        var parameters = { "Address": deviceAddress, "value": state }
        sendSocketMessage("set_avrcp_controls", parameters)
    }

    function connect_profiles() {
        sendSocketMessage("connect", { "value": root.deviceAddress, "uuid": a2dp_uuid })
        sendSocketMessage("connect", { "value": root.deviceAddress, "uuid": avrcp_uuid })
    }

    function disconnect_profiles() {
        sendSocketMessage("disconnect", { "value": root.deviceAddress, "uuid": a2dp_uuid })
        sendSocketMessage("disconnect", { "value": root.deviceAddress, "uuid": avrcp_uuid })
    }
}