52 lines
2.2 KiB
Text
52 lines
2.2 KiB
Text
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{AppletDescription, AdapParams, params, flags, ConfigType} from ./adapptypes.ts
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// (At least some of) Joyce's pages have inline scripts that remove their
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// own applet nodes, so we have to watch for them as they are added. Hence,
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// this script runs at document_start, and watches for applets being added,
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// setting up the joyceApplets structure as it goes
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joyceApplets: AppletDescription[] := []
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obs := new MutationObserver (mutationList) =>
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for each change of mutationList
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for each newGenericNode of change.addedNodes
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newNode := (newGenericNode as HTMLElement)
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newParent := (change.target as HTMLElement)
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unless newNode.tagName is 'APPLET' then continue
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unless newNode.getAttribute('code') is 'Geometry' then continue
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id .= newParent.getAttribute 'id'
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unless id
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id = 'joyceApplet' + joyceApplets.length
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newParent.setAttribute 'id', id
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joyceApplets.push {
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html: newNode.outerHTML,
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params(newNode.children),
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id,
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width: parseInt(newNode.getAttribute('width') ?? '200'),
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height: parseInt(newNode.getAttribute('height') ?? '200') }
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config := childList: true, subtree: true
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obs.observe document.documentElement, config
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function addScriptTag(url: string, module = false)
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return new Promise (resolve, reject) =>
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script := document.createElement 'script'
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script.addEventListener 'load', resolve
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script.addEventListener 'error', reject
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script.src = url
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if module then script.type = 'module'
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document.head.appendChild script
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document.addEventListener "DOMContentLoaded", async =>
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finalJoyceApplet := document.querySelector "applet[code='Geometry']"
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if joyceApplets.length or finalJoyceApplet
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config := await browser.storage.local.get(flags) as ConfigType
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adapParams: AdapParams := {
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codebase: browser.runtime.getURL('deps/GeoGebra/HTML5/5.0/webSimple'),
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config,
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joyceApplets }
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// @ts-ignore
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window.wrappedJSObject.adapParams = cloneInto(adapParams, window)
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addScriptTag(browser.runtime.getURL 'deps/GeoGebra/deployggb.js').then =>
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addScriptTag browser.runtime.getURL('adapptlet.js'), true
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