Files
snotes/browser-extension/content.js
2026-09-24 08:28:43 -07:00

60 lines
2.1 KiB
JavaScript

(function () {
'use strict';
// ── Page→Extension messaging (used by the snotes helper page) ─────────────
window.addEventListener('message', function (event) {
if (event.source !== window) return;
var msg = event.data;
if (!msg || typeof msg.kind !== 'string') return;
switch (msg.kind) {
case 'snotes-ping':
window.postMessage({ kind: 'snotes-pong', version: '1.0.0' }, '*');
break;
case 'snotes-settings': {
var data = {};
if (msg.serverUrl !== undefined) data.serverUrl = msg.serverUrl;
if (Object.keys(data).length > 0) browser.storage.sync.set(data);
window.postMessage({ kind: 'snotes-settings-ack', ok: true }, '*');
break;
}
}
});
// ── Extension→Page messaging (capture context for the popup) ──────────────
browser.runtime.onMessage.addListener(function (msg) {
if (!msg || typeof msg.kind !== 'string') return Promise.resolve(undefined);
if (msg.kind === 'get_context') {
var selection = '';
try { selection = window.getSelection().toString().trim(); } catch (e) {}
return Promise.resolve({
selection: selection,
title: document.title || '',
url: window.location.href || '',
});
}
if (msg.kind === 'get_viewport') {
var ph = Math.max(
document.documentElement ? document.documentElement.scrollHeight : 0,
document.body ? document.body.scrollHeight : 0
);
return Promise.resolve({
viewportWidth: window.innerWidth || document.documentElement.clientWidth || 0,
viewportHeight: window.innerHeight || document.documentElement.clientHeight || 0,
pageHeight: ph,
devicePixelRatio: window.devicePixelRatio || 1,
scrollY: window.scrollY || window.pageYOffset || 0,
});
}
if (msg.kind === 'scroll_to') {
window.scrollTo(0, msg.y);
return Promise.resolve({ y: window.scrollY || window.pageYOffset || 0 });
}
return Promise.resolve(undefined);
});
})();