dispatch/client/js/modules/widthUpdates.js

32 lines
927 B
JavaScript

import { getCharWidth } from 'state/app';
import { updateMessageHeight } from 'state/messages';
import { when } from 'utils/observe';
import { measureScrollBarWidth } from 'utils';
import { addResizeListener } from 'utils/size';
const menuWidth = 200;
const messagePadding = 30;
const smallScreen = 600;
export default function widthUpdates({ store }) {
when(store, getCharWidth, charWidth => {
window.messageIndent = 6 * charWidth;
const scrollBarWidth = measureScrollBarWidth();
let prevWrapWidth;
function updateWidth(windowWidth) {
let wrapWidth = windowWidth - scrollBarWidth - messagePadding;
if (windowWidth > smallScreen) {
wrapWidth -= menuWidth;
}
if (wrapWidth !== prevWrapWidth) {
prevWrapWidth = wrapWidth;
store.dispatch(updateMessageHeight(wrapWidth, charWidth, windowWidth));
}
}
addResizeListener(updateWidth, true);
});
}