/** Public functions */
/**
* Switch the state of controller.
* @param {Boolean} flag True means enabled and vice versa
*/
setEnabled(flag) {
this.isEnabled = flag;
if (flag) {
this.pageAction.setSiteSupported();
} else {
this.pageAction.setSiteDisabled();
}
if (!flag && this.currentSong) {
this.playbackTimer.reset();
this.replayDetectionTimer.reset();
this.clearNowPlayingNotification();
}
}
/**
* Called when song finishes processing in pipeline. It may not have
* passed the pipeline successfully, so checks for various flags
* are needed.
*/
onProcessed() {
if (this.currentSong.isValid()) {
// Processing cleans this flag
this.currentSong.flags.isMarkedAsPlaying = false;
let secondsToScrobble = this.getSecondsToScrobble();
let songDuration = this.currentSong.getDuration();
if (secondsToScrobble !== -1) {
this.playbackTimer.update(secondsToScrobble);
this.replayDetectionTimer.update(songDuration);
const remainedSeconds = this.playbackTimer.getRemainingSeconds();
this.debugLog(`The song will be scrobbled in ${remainedSeconds} seconds`);
} else {
this.debugLog('The song is too short to scrobble');
}
/*
* If the song is playing, mark it immediately;
* otherwise will be flagged in isPlaying binding.
*/
if (this.currentSong.parsed.isPlaying) {
/*
* If remainedSeconds < 0, then the extension
* will scrobble song immediately, and there's no need
* to set song as now playing.
*/
const remainedSeconds = this.playbackTimer.getRemainingSeconds();
if (remainedSeconds > 0) {
this.setSongNowPlaying();
}
this.showNowPlayingNotification();
} else {
this.pageAction.setSiteSupported();
}
} else {
this.setSongNotRecognized();
}
}
/**
* React on state change.
* @param {Object} newState State of connector
*/
onStateChanged(newState) {
if (!this.isEnabled) {
return;
}
/*
* Empty state has same semantics as reset; even if isPlaying,
* we don't have enough data to use.
*/
if (isStateEmpty(newState)) {
if (this.currentSong) {
this.debugLog('Received empty state - resetting');
this.pageAction.setSiteSupported();
this.resetState();
}
if (newState.isPlaying) {
this.debugLog(`State from connector doesn't contain enough information about the playing track: ${toString(newState)}`, 'warn');
}
return;
}
let isSongChanged = this.isSongChanged(newState);
if (isSongChanged && !newState.isPlaying) {
this.debugLog(
`Paused song detected: ${toString(newState)}`, 'warn');
return;
}
if (!isSongChanged && !this.isReplayingSong) {
this.processCurrentState(newState);
} else {
this.processNewState(newState);
}
}