diff --git a/src/elements/emby-slider/emby-slider.js b/src/elements/emby-slider/emby-slider.js index e613318814..8026f001ec 100644 --- a/src/elements/emby-slider/emby-slider.js +++ b/src/elements/emby-slider/emby-slider.js @@ -16,6 +16,62 @@ define(['browser', 'dom', 'layoutManager', 'keyboardnavigation', 'css!./emby-sli } } + /** + * Returns slider fraction corresponding to client position. + * + * @param {Object} range slider itself + * @param {number} clientX client X-coordinate + * @return {number} slider fraction + */ + function mapClientToFraction(range, clientX) { + var rect = range.sliderBubbleTrack.getBoundingClientRect(); + + var fraction = (clientX - rect.left) / rect.width; + + // Snap to step + var valueRange = range.max - range.min; + if (range.step !== 'any' && valueRange !== 0) { + var step = (range.step || 1) / valueRange; + fraction = Math.round(fraction / step) * step; + } + + return Math.min(Math.max(fraction, 0), 1); + } + + /** + * Returns slider value corresponding to slider fraction. + * + * @param {Object} range slider itself + * @param {number} fraction slider fraction + * @return {number} slider value + */ + function mapFractionToValue(range, fraction) { + var value = (range.max - range.min) * fraction; + + // Snap to step + if (range.step !== 'any') { + var step = range.step || 1; + value = Math.round(value / step) * step; + } + + value += parseFloat(range.min); + + return Math.min(Math.max(value, range.min), range.max); + } + + /** + * Returns slider fraction corresponding to slider value. + * + * @param {Object} range slider itself + * @param {number} value slider value (snapped to step) + * @return {number} slider fraction + */ + function mapValueToFraction(range, value) { + var valueRange = range.max - range.min; + var fraction = valueRange !== 0 ? (value - range.min) / valueRange : 0; + return Math.min(Math.max(fraction, 0), 1); + } + function updateValues() { // Do not update values when dragging with keyboard to keep current progress for reference @@ -61,7 +117,7 @@ define(['browser', 'dom', 'layoutManager', 'keyboardnavigation', 'css!./emby-sli if (range.getBubbleText) { value = range.getBubbleText(value); } else { - value = Math.round(value); + value = mapFractionToValue(range, value / 100).toLocaleString(); } value = '