rx-player
Version:
Canal+ HTML5 Video Player
58 lines (57 loc) • 2.24 kB
JavaScript
/**
* Copyright 2015 CANAL+ Group
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import addClassName from "../../../../compat/add_class_name";
import log from "../../../../log";
import { REGXP_LENGTH } from "../regexps";
/**
* Apply `tts:extent` styling to an HTML element.
* @param {HTMLElement} element
* @param {string} extent
*/
export default function applyExtent(element, extent) {
const trimmedExtent = extent.trim();
if (trimmedExtent === "auto") {
return;
}
const splittedExtent = trimmedExtent.split(" ");
if (splittedExtent.length !== 2) {
return;
}
const firstExtent = REGXP_LENGTH.exec(splittedExtent[0]);
const secondExtent = REGXP_LENGTH.exec(splittedExtent[1]);
if (firstExtent !== null && secondExtent !== null) {
if (firstExtent[2] === "px" || firstExtent[2] === "%" || firstExtent[2] === "em") {
element.style.width = firstExtent[1] + firstExtent[2];
}
else if (firstExtent[2] === "c") {
addClassName(element, "proportional-style");
element.setAttribute("data-proportional-width", firstExtent[1]);
}
else {
log.warn("TTML Parser: unhandled extent unit:", firstExtent[2]);
}
if (secondExtent[2] === "px" || secondExtent[2] === "%" || secondExtent[2] === "em") {
element.style.height = secondExtent[1] + secondExtent[2];
}
else if (secondExtent[2] === "c") {
addClassName(element, "proportional-style");
element.setAttribute("data-proportional-height", secondExtent[1]);
}
else {
log.warn("TTML Parser: unhandled extent unit:", secondExtent[2]);
}
}
}