74 lines
3.1 KiB
Plaintext
74 lines
3.1 KiB
Plaintext
{ AppletDescription, AdapParams, ConfigType,
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params, flags, contains3d } 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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code := newNode.getAttribute('code')
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unless code is 'Geometry' or code is 'Geometry.class' 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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observerConfig := childList: true, subtree: true
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obs.observe document.documentElement, observerConfig
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function addScriptTag(url: string, params = '', 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 params then script.dataset.params = params
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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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config := await browser.storage.local.get(flags) as ConfigType
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unless config.joyce return
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finalJoyceApplets := document.querySelectorAll "applet[code='Geometry']"
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if finalJoyceApplets.length
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joyceApplets = []
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for jApp of finalJoyceApplets
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jParent := jApp.parentNode as HTMLElement
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unless jParent then continue
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id .= jParent.getAttribute 'id'
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unless id
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id = 'joyceApplet' + joyceApplets.length
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jParent.setAttribute 'id', id
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joyceApplets.push {
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html: jApp.outerHTML,
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params(jApp.children),
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id,
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width: parseInt(jApp.getAttribute('width') ?? '200'),
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height: parseInt(jApp.getAttribute('height') ?? '200') }
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if joyceApplets.length
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use3d .= false
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for each jApp of joyceApplets
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if contains3d jApp.params
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use3d = true
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break
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codebase .= browser.runtime.getURL 'deps/GeoGebra/HTML5/5.0/'
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codebase += (use3d or config.algebra) ? 'web3d' : 'webSimple'
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adapParams: AdapParams := {codebase, config, joyceApplets }
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apars := JSON.stringify(adapParams)
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addScriptTag(browser.runtime.getURL 'deps/GeoGebra/deployggb.js').then =>
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addScriptTag browser.runtime.getURL('adapptlet.js'), apars, true
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