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Qt Quick Ultralite车载集群演示

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pragma Singleton import QtQuick 2.15 QtObject { id: mediaplayermodel property bool mediaPlayback: MainModel.introSequenceCompleted onMediaPlaybackChanged: { ConnectivityService.mediaPlayback = mediaplayermodel.mediaPlayback } function play() { mediaplayermodel.mediaPlayback = true } function stop() { mediaplayermodel.mediaPlayback = false } function nextSong() { track = (track+1)%trackCount } function previousSong() { track = (track+trackCount-1)%trackCount } property int track: 0 property int timePassed: 0 // sec readonly property int trackCount: 5 readonly property int changeSongDuration: 300 onTrackChanged: { timePassed = 0 } onTimePassedChanged: { var duration = 0 switch (track) { case 0: duration = 3.5; break; case 1: duration = 3.8; break; case 2: duration = 3.2; break; case 3: duration = 3.5; break; case 4: duration = 4.5; break; } if (timePassed > (duration * 60)) { nextSong() } } property Timer timePassedTimer: Timer { running: mediaplayermodel.mediaPlayback repeat: true interval: 1000 onTriggered: { timePassed += 1 } } }