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Buffer default value is now 0 and added some code cleanup.

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This commit is contained in:
Luke Vo 2024-02-15 17:28:38 +07:00
parent 1e1048ace5
commit a8a9d56581
1 changed files with 10 additions and 7 deletions
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17
progress/internal/linear-progress.ts
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@ -16,9 +16,9 @@ import {Progress} from './progress.js';
export class LinearProgress extends Progress {
/**
* Buffer amount to display, a fraction between 0 and `max`.
* If negative, the buffer is not displayed.
* If the value is 0 or negative, the buffer is not displayed.
*/
@property({type: Number}) buffer = -1;
@property({type: Number}) buffer = 0;
// Note, the indeterminate animation is rendered with transform %'s
// Previously, this was optimized to use px calculated with the resizeObserver
@ -29,17 +29,20 @@ export class LinearProgress extends Progress {
(this.indeterminate ? 1 : this.value / this.max) * 100
}%)`,
};
const bufferValue = Math.min(this.buffer ?? 0, this.max);
const hasBuffer = bufferValue > 0;
const dotSize = this.indeterminate || !hasBuffer ? 1 : bufferValue / this.max;
const dotStyles = {
transform: `scaleX(${
// == null is used to check for both null and undefined when buffer attribute is removed
(this.indeterminate || this.buffer == null || this.buffer < 0 ? 1 : this.buffer / this.max) * 100
}%)`,
transform: `scaleX(${dotSize * 100}%)`,
};
// Only display dots when visible - this prevents invisible infinite
// animation.
const hideDots =
this.indeterminate || this.buffer == null || this.buffer < 0 || this.buffer >= this.max || this.value >= this.max;
this.indeterminate || !hasBuffer || this.value >= this.max;
return html`
<div class="dots" ?hidden=${hideDots}></div>
<div class="inactive-track" style=${styleMap(dotStyles)}></div>