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let sets work across iframes

This commit is contained in:
“chrisshank” 2024-12-17 01:00:11 -08:00
parent 8e898b526f
commit 2b240c185a
3 changed files with 126 additions and 4 deletions
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120
demo/cross-iframe-sand.html Normal file
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@ -0,0 +1,120 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Falling Sand Demo</title>
<style>
html {
height: 100%;
}
body {
min-height: 100%;
position: relative;
margin: 0;
overscroll-behavior: none;
}
folk-shape {
position: absolute;
background-color: rgba(119, 119, 119, 1);
border-radius: 2px;
&:has(iframe) {
background: transparent;
}
}
.key-helper {
position: fixed;
top: 20px;
right: 20px;
background: rgba(0, 0, 0, 0.7);
color: white;
padding: 10px;
border-radius: 5px;
font-family: monospace;
z-index: 1000;
display: flex;
flex-direction: column;
gap: 5px;
}
.key-number {
display: inline-block;
background: rgba(255, 255, 255, 0.2);
padding: 2px 8px;
border-radius: 3px;
margin-right: 10px;
}
p {
box-sizing: border-box;
color: white;
position: absolute;
top: 150px;
left: 25px;
border: 1px solid white;
}
iframe {
width: 100%;
height: 100%;
/* margins cause infinite resize loops */
box-sizing: border-box;
}
</style>
</head>
<body>
<div class="key-helper">
<div><span class="key-number">1</span> Smoke</div>
<div><span class="key-number">2</span> Water</div>
<div><span class="key-number">3</span> Lava</div>
<div><span class="key-number">4</span> Sand</div>
<div><span class="key-number">5</span> Plant</div>
<div><span class="key-number">6</span> Stone</div>
<div><span class="key-number">7</span> Wall</div>
<div><span class="key-number">8</span> Ice</div>
<div><span class="key-number">9</span> Fire</div>
</div>
<folk-sand sources="iframe folk-shape">
<p>Sanding</p>
<folk-shape x="400" y="250" width="60" height="90"></folk-shape>
<folk-shape x="200" y="400" width="100" height="100"></folk-shape>
<folk-shape x="500" y="100" width="30" height="70"></folk-shape>
</folk-sand>
<folk-shape x="10" y="100" width="250" height="400">
<iframe src="./sticky-html-arrow.html"></iframe>
</folk-shape>
<folk-shape x="300" y="100" width="250" height="400">
<iframe id="frame2" src="./sticky-html-arrow.html"></iframe>
</folk-shape>
<script type="module">
import '../src/standalone/folk-shape.ts';
import '../src/standalone/folk-sand.ts';
const sandElement = document.querySelector('folk-sand');
const keyNumbers = document.querySelectorAll('.key-number');
// Reset all key styles
function resetKeyStyles() {
keyNumbers.forEach((key) => {
key.style.background = 'rgba(255, 255, 255, 0.2)';
});
}
sandElement.onMaterialChange = (materialNumber) => {
resetKeyStyles();
const activeKey = keyNumbers[materialNumber - 1];
if (activeKey) {
activeKey.style.background = 'rgba(255, 255, 255, 0.6)';
}
};
</script>
</body>
</html>

1
demo/sticky-html-arrow.html
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@ -18,6 +18,7 @@
folk-shape { folk-shape {
border: 1px solid black; border: 1px solid black;
border-radius: 3px; border-radius: 3px;
background-color: rgba(119, 119, 119, 1);
} }
</style> </style>
</head> </head>

9
src/folk-base-set.ts
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@ -1,7 +1,7 @@
import { property, state } from '@lit/reactive-element/decorators.js'; import { property, state } from '@lit/reactive-element/decorators.js';
import { ClientRectObserverEntry } from './common/client-rect-observer.ts'; import { ClientRectObserverEntry } from './common/client-rect-observer.ts';
import { FolkElement } from './common/folk-element.ts'; import { FolkElement } from './common/folk-element.ts';
import { FolkObserver } from './common/folk-observer.ts'; import { FolkObserver, parseDeepCSSSelector } from './common/folk-observer.ts';
import { css, CSSResultGroup, PropertyValues } from '@lit/reactive-element'; import { css, CSSResultGroup, PropertyValues } from '@lit/reactive-element';
const folkObserver = new FolkObserver(); const folkObserver = new FolkObserver();
@ -64,15 +64,16 @@ export class FolkBaseSet extends FolkElement {
#observeSources() { #observeSources() {
const childElements = new Set(this.children); const childElements = new Set(this.children);
const elements = this.sources ? document.querySelectorAll(this.sources) : []; const elements = this.sources ? parseDeepCSSSelector(this.sources) : [];
const sourceElements = new Set(elements).union(childElements); const elementsMap = new Map(elements);
const sourceElements = new Set(elements.map((el) => el[0])).union(childElements);
const elementsToObserve = sourceElements.difference(this.sourceElements); const elementsToObserve = sourceElements.difference(this.sourceElements);
const elementsToUnobserve = this.sourceElements.difference(sourceElements); const elementsToUnobserve = this.sourceElements.difference(sourceElements);
this.unobserveSources(elementsToUnobserve); this.unobserveSources(elementsToUnobserve);
for (const el of elementsToObserve) { for (const el of elementsToObserve) {
folkObserver.observe(el, this.#sourcesCallback); folkObserver.observe(el, this.#sourcesCallback, { iframeSelector: elementsMap.get(el) });
} }
this.sourceElements = sourceElements; this.sourceElements = sourceElements;