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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,103 +1,54 @@ | ||
| import { Spec } from './types'; | ||
|
|
||
| top!.__vtbag ??= {}; | ||
| top!.__vtbag.elementCrossing ??= {}; | ||
| const elementCrossing = top!.__vtbag.elementCrossing!; | ||
|
|
||
| console.log('[elc]', 'init'); | ||
| if (top === self) { | ||
| initBorderLands(); | ||
| } else if (self.parent === top) { | ||
| initHeartLand(); | ||
| } else { | ||
| console.log('[elc]', 'neither BorderLands nor HeartLand'); | ||
| } | ||
| const crossing = (top!.__vtbag.elementCrossing ??= { | ||
| storageMap: new Map<string, Element>(), | ||
| addrWeakMap: new WeakMap<any, string>(), | ||
| fun: { | ||
| pseudoAddress(object: object): string { | ||
| let addr = '0x000000'; | ||
| if (object === null || object === undefined) return addr; | ||
| while (addr === '0x000000') { | ||
| addr = | ||
| crossing.addrWeakMap.get(object) ?? | ||
| '0x' + Math.random().toString(16).slice(2, 8).toUpperCase(); | ||
| } | ||
| crossing.addrWeakMap.set(object, addr); | ||
| return addr; | ||
| }, | ||
| setItem(id: string, element: Element) { | ||
| crossing.storageMap!.set(id, element); | ||
| }, | ||
| getItem(id: string): Element | undefined { | ||
| const element = crossing.storageMap!.get(id); | ||
| return element; | ||
| }, | ||
| removeItem(id: string): void { | ||
| crossing.storageMap!.delete(id); | ||
| }, | ||
| clear(): void { | ||
| crossing.storageMap!.clear(); | ||
| }, | ||
| }, | ||
| }); | ||
|
|
||
| top === self && initBorderLands(); | ||
|
|
||
| function initBorderLands() { | ||
| console.log('[elc]', 'init BorderLands'); | ||
| addEventListener('pagereveal', () => { | ||
| console.log('[elc]', 'DOMContentLoaded'); | ||
| top!.addEventListener('pagereveal', () => { | ||
| const topDoc = top!.document; | ||
| const root = topDoc.documentElement; | ||
| root.innerHTML = `<body style="margin:0; overflow=clip"><iframe width=${innerWidth} height=${innerHeight} src="${location.href}"/>`; | ||
| const lang = topDoc.documentElement.lang; | ||
| const colorScheme = topDoc.documentElement.style.colorScheme; | ||
| const root = topDoc.createElement('html'); | ||
| root.innerHTML = `<body style="margin:0; overflow=clip"><iframe width=${innerWidth} height=${innerHeight} style="border:0" src="${location.href}"/>`; | ||
| crossing.iframe = root.querySelector<HTMLIFrameElement>('iframe')!; | ||
| root.lang = lang; | ||
| root.style.overflow = 'clip'; | ||
| root.style.colorScheme = colorScheme; | ||
| topDoc.documentElement.replaceWith(root); | ||
| crossing.frameDocument = topDoc.querySelector<HTMLIFrameElement>('iframe')!.contentDocument!; | ||
| }); | ||
| } | ||
|
|
||
| function initHeartLand() { | ||
| console.log('[elc]', 'init HeartLand'); | ||
| self.addEventListener('pageswap', pageSwap, { once: true }); | ||
| self.addEventListener('pagereveal', pageReveal, { once: true }); | ||
| } | ||
|
|
||
| function pageSwap() { | ||
| console.log('[elc]', 'pageSwap'); | ||
|
|
||
| self.document.querySelectorAll<HTMLElement>('[data-vtbag-x]').forEach((el) => { | ||
| let id; | ||
| const specs: Spec[] = []; | ||
| el | ||
| .getAttribute('data-vtbag-x') | ||
| ?.split(' ') | ||
| .forEach((value) => { | ||
| const [kind, key] = kindAndKey(value); | ||
| switch (kind) { | ||
| case 'id': | ||
| id = key; | ||
| break; | ||
| case 'class': | ||
| specs.push({ kind, key, value: el.classList.contains(key) ? 'true' : 'false' }); | ||
| break; | ||
| case 'style': | ||
| specs.push({ | ||
| kind, | ||
| key, | ||
| value: '' + (el.style[key as keyof CSSStyleDeclaration] ?? ''), | ||
| }); | ||
| break; | ||
| case 'attr': | ||
| specs.push({ kind, key, value: el.getAttribute(key) ?? '' }); | ||
| break; | ||
| default: | ||
| console.error('[crossing]', 'unknown kind', kind); | ||
| break; | ||
| } | ||
| }); | ||
| top!.addEventListener('resize', () => { | ||
| crossing.iframe!.width = '' + top!.innerWidth; | ||
| crossing.iframe!.height = '' + top!.innerHeight; | ||
| }); | ||
| } | ||
|
|
||
| function pageReveal() { | ||
| console.log('[elc]', 'pageReveal'); | ||
| const topDoc = top!.document; | ||
| topDoc.title = document.title; | ||
| top!.history.replaceState({}, '', location.href); | ||
| } | ||
|
|
||
| function kindAndKey(value: string) { | ||
| let [kind, key] = value.split(':'); | ||
| if (key === undefined) { | ||
| key = kind.slice(1); | ||
| switch (kind[0]) { | ||
| case '#': | ||
| kind = 'id'; | ||
| break; | ||
| case '.': | ||
| kind = 'class'; | ||
| break; | ||
| case '@': | ||
| kind = 'attr'; | ||
| break; | ||
| case '-': | ||
| kind = 'style'; | ||
| break; | ||
| default: | ||
| console.error( | ||
| '[crossing]', | ||
| 'syntax error:', | ||
| value, | ||
| 'is not recognized as a valid specification' | ||
| ); | ||
| } | ||
| } | ||
| return [kind, key]; | ||
| } |
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