AlkantarClanX12
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/**
* Scanner class.
*
* @since 2.7.0
*/
class Scanner {
constructor( totalSteps, currentStep ) {
this.totalSteps = parseInt( totalSteps );
this.currentStep = parseInt( currentStep );
this.cancelling = false;
}
/**
* Start the scan.
*/
start() {
this.updateProgressBar( this.getProgress() );
const remainingSteps = this.totalSteps - this.currentStep;
if ( this.currentStep !== 0 ) {
// Scan already started.
this.step( remainingSteps );
} else {
this.onStart().then( () => {
this.step( remainingSteps );
} );
}
}
/**
* Cancel scan.
*/
cancel() {
this.cancelling = true;
this.updateProgressBar( 0, true );
}
/**
* Get scan progress.
*
* @return {number} Progress 0-99.
*/
getProgress() {
if ( this.cancelling ) {
return 0;
}
const remainingSteps = this.totalSteps - this.currentStep;
return Math.min(
Math.round(
( parseInt( this.totalSteps - remainingSteps ) * 100 ) /
this.totalSteps
),
99
);
}
/**
* Update progress bar.
*
* @param {number} progress Progress percentage.
* @param {boolean} cancel Cancel the scan.
*/
updateProgressBar( progress, cancel = false ) {
if ( progress > 100 ) {
progress = 100;
}
// Update progress bar.
document.querySelector(
'.sui-progress-block .sui-progress-text span'
).innerHTML = progress + '%';
document.querySelector(
'.sui-progress-block .sui-progress-bar span'
).style.width = progress + '%';
if ( progress >= 90 ) {
document.querySelector(
'.sui-progress-state .sui-progress-state-text'
).innerHTML = 'Finalizing...';
}
if ( cancel ) {
document.querySelector(
'.sui-progress-state .sui-progress-state-text'
).innerHTML = 'Cancelling...';
}
}
/**
* Execute a scan step.
*
* @param {number} remainingSteps
*/
step( remainingSteps ) {
if ( remainingSteps >= 0 ) {
this.currentStep = this.totalSteps - remainingSteps;
}
}
/**
* On start function.
*/
onStart() {
throw new Error( 'onStart() must be implemented in child class' );
}
/**
* On finish function.
*/
onFinish() {
this.updateProgressBar( 100 );
}
}
export default Scanner;