61 lines
2.4 KiB
JavaScript
61 lines
2.4 KiB
JavaScript
import RuffleObject from "./ruffle-object";
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import RuffleEmbed from "./ruffle-embed";
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import { install_plugin, FLASH_PLUGIN } from "./plugin-polyfill";
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/**
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* Interdict native elements with Ruffle equivalents.
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*
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* This interdiction isn't fool-proof: If there's a chance site JavaScript has
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* access to a pre-interdiction element, then this will break horribly. We can
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* keep native objects out of the DOM, and thus out of JavaScript's grubby
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* little hands, but only if we load first.
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*/
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function wrap_tree(elem) {
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try {
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if (elem.nodeName.toLowerCase() === "object" && RuffleObject.is_interdictable(elem)) {
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let ruffle_obj = RuffleObject.from_native_object_element(elem);
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elem.parentElement.replaceChild(ruffle_obj, elem);
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} else if (elem.nodeName.toLowerCase() === "embed" && RuffleEmbed.is_interdictable(elem)) {
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let ruffle_obj = RuffleEmbed.from_native_object_element(elem);
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elem.parentElement.replaceChild(ruffle_obj, elem);
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} else {
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for (let node of Array.from(elem.getElementsByTagName("object"))) {
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if (RuffleObject.is_interdictable(node)) {
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let ruffle_obj = RuffleObject.from_native_object_element(node);
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node.parentElement.replaceChild(ruffle_obj, node);
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}
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}
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for (let node of Array.from(elem.getElementsByTagName("embed"))) {
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if (RuffleEmbed.is_interdictable(node)) {
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let ruffle_obj = RuffleEmbed.from_native_embed_element(node);
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node.parentElement.replaceChild(ruffle_obj, node);
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}
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}
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}
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} catch (err) {
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console.error("Serious error encountered when interdicting native Flash elements: " + err);
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}
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}
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console.log("Welcome to ruffle");
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window.customElements.define("ruffle-object", RuffleObject);
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window.customElements.define("ruffle-embed", RuffleEmbed);
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wrap_tree(document.getElementsByTagName("html")[0]);
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const observer = new MutationObserver(function (mutationsList, observer) {
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for (let mutation of mutationsList) {
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for (let node of mutation.addedNodes) {
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if (node instanceof Element) {
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wrap_tree(node);
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} else {
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console.error("Cannot process added node of type " + node.constructor.name);
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}
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}
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}
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});
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observer.observe(document, { childList: true, subtree: true});
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install_plugin(FLASH_PLUGIN); |