agl-service-unicens-controller - API to control infotainment network devices

about summary refs log tree commit diff stats

path: root/binding/amplifier/amplifier.c

stat options

Commits per author per week (path 'binding/amplifier/amplifier.c')

Author	W15 2024	W16 2024	W17 2024	W18 2024	Total
Total	0	0	0	0	0

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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199

/*
 * 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: "mediaplayer"
    property var verbs: []
    property string payloadLength: "9999"
    property string cover_art: ""
    property string title: ""
    property string artist: ""
    property int duration: 0
    property int position: 0
    property int old_index: -1

    property bool loop_state: false
    property bool running: false

    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 verb = verbs.shift()
                if (verb == "playlist") {
                    console.debug("Media result returned")
                    var media = response.list

                    for (var i = 0; i < media.length; i++) {
                        var item = media[i]
                        playlist.append({ "index": item.index, "artist": item.artist ? item.artist : '', "title": item.title ? item.title : '' })
                        if (item.selected) {
                            playlistview.currentIndex = i
                        }
                    }
                } else if (verb == "controls") {
                    if (response) {
                        root.running = response.playing
                    }
                } else if (verb == "metadata") {
                    root.cover_art = response.image ? response.image : ''
                }
                break
            case msgid.reterr:
                root.statusString = "Bad return value, binding probably not installed"
                var verb = verbs.shift()
                break
            case msgid.event:
                var payload = JSON.parse(JSON.stringify(json[2]))
                var event = payload.event
                if (event == "mediaplayer/playlist") {
                    console.debug("Media playlist is updated")
                    var media = json[2].data.list

                    if (!root.running) {
                        root.clearPlaylist()
                    }

                    playlist.clear()

                    for (var i = 0; i < media.length; i++) {
                        var item = media[i]

                        playlist.append({ "index": item.index, "artist": item.artist ? item.artist : '', "title": item.title ? item.title : '' })
                        if (item.selected) {
                            playlistview.currentIndex = i
                        }
                    }

                } else if (event == "mediaplayer/metadata") {
                    var data = json[2].data

                    if (data.status == "stopped") {
                        root.running = false
                        root.clearPlaylist()
                        break
                    }

                    root.running = true
                    root.position = data.position
                    root.duration = data.duration

                    playlistview.currentIndex = data.index

                    if (playlistview.currentIndex != root.old_index) {
                        sendSocketMessage("metadata", 'None')
                        root.old_index = data.index
                    }

                    root.title = data.title ? data.title : ''
                    root.artist = data.artist ? data.artist : ''
                }
                break
        }
    }

    onStatusChanged: {
        switch (status) {
            case WebSocket.Open:
            console.debug("onStatusChanged: Open")
            sendSocketMessage("subscribe", { value: "metadata" })
            sendSocketMessage("playlist", 'None')
            sendSocketMessage("subscribe", { value: "playlist" })
            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)
        sendTextMessage(JSON.stringify(requestJson))
    }

    function loop(value) {
        sendSocketMessage("controls", { "value": "loop", "state": value })
        root.loop_state = value
    }

    function next() {
        sendSocketMessage("controls", { "value": "next" })
    }

    function previous() {
        sendSocketMessage("controls", { "value": "previous" })
    }

    function play() {
        sendSocketMessage("controls", { "value": "play" })
    }

    function pause() {
        sendSocketMessage("controls", { "value": "pause" })
    }

    function pick_track(index) {
        sendSocketMessage("controls", { "value": "pick-track", "index": index })
    }

    function seek(milliseconds) {
        sendSocketMessage("controls", { "value": "seek", "position": milliseconds })
    }

    function stop() {
        sendSocketMessage("controls", { "value": "stop" })
    }

    function clearPlaylist() {
        root.position = ''
        root.duration = ''
        root.title = ''
        root.artist = ''
        root.cover_art = ''
        root.old_index = -1
        playlistview.currentIndex = -1
    }

    function time2str(value) {
        return Qt.formatTime(new Date(value), 'mm:ss')
    }
}


Period:
Authors: