nixos-configs/devices/wim/config/ags/js/notifications/gesture.js

184 lines
6 KiB
JavaScript

import Notifications from 'resource:///com/github/Aylur/ags/service/notifications.js';
import { Box, EventBox } from 'resource:///com/github/Aylur/ags/widget.js';
import { timeout } from 'resource:///com/github/Aylur/ags/utils.js';
import { HasNotifs } from './base.js';
const { Gtk } = imports.gi;
const MAX_OFFSET = 200;
const OFFSCREEN = 300;
const ANIM_DURATION = 500;
const SLIDE_MIN_THRESHOLD = 10;
const TRANSITION = 'transition: margin 0.5s ease, opacity 0.5s ease;';
const SQUEEZED = 'margin-bottom: -70px; margin-top: -70px;';
const MAX_LEFT = `
margin-left: -${Number(MAX_OFFSET + OFFSCREEN)}px;
margin-right: ${Number(MAX_OFFSET + OFFSCREEN)}px;
`;
const MAX_RIGHT = `
margin-left: ${Number(MAX_OFFSET + OFFSCREEN)}px;
margin-right: -${Number(MAX_OFFSET + OFFSCREEN)}px;
`;
const slideLeft = `${TRANSITION} ${MAX_LEFT}
margin-top: 0px;
margin-bottom: 0px;
opacity: 0;`;
const squeezeLeft = `${TRANSITION} ${MAX_LEFT} ${SQUEEZED} opacity: 0;`;
const slideRight = `${TRANSITION} ${MAX_RIGHT}
margin-top: 0px;
margin-bottom: 0px;
opacity: 0;`;
const squeezeRight = `${TRANSITION} ${MAX_RIGHT} ${SQUEEZED} opacity: 0;`;
const defaultStyle = `${TRANSITION} margin: unset; opacity: 1;`;
export default ({
id,
slideIn = 'Left',
command = () => {/**/},
...props
}) => {
const widget = EventBox({
...props,
cursor: 'grab',
setup: (self) => {
self
.on('leave-notify-event', () => {
if (self.attribute.hovered) {
self.attribute.hovered = false;
}
})
.on('enter-notify-event', () => {
if (!self.attribute.hovered) {
self.attribute.hovered = true;
}
});
},
attribute: {
dragging: false,
hovered: false,
ready: false,
id,
/** @param {'Left'|'Right'} side */
slideAway: (side) => {
// Slide away
// @ts-expect-error
widget.child.setCss(side === 'Left' ? slideLeft : slideRight);
// Make it uninteractable
widget.sensitive = false;
timeout(ANIM_DURATION - 100, () => {
// Reduce height after sliding away
// @ts-expect-error
widget.child?.setCss(side === 'Left' ?
squeezeLeft :
squeezeRight);
timeout(ANIM_DURATION, () => {
// Kill notif and update HasNotifs after anim is done
command();
HasNotifs.value = Notifications
.notifications.length > 0;
// @ts-expect-error
widget.get_parent()?.remove;
});
});
},
},
});
const gesture = Gtk.GestureDrag.new(widget);
widget.add(Box({
css: squeezeLeft,
setup: (self) => {
self
// When dragging
.hook(gesture, () => {
let offset = gesture.get_offset()[1];
if (offset === 0) {
return;
}
// Slide right
if (offset > 0) {
self.setCss(`
margin-top: 0px; margin-bottom: 0px;
opacity: 1; transition: none;
margin-left: ${offset}px;
margin-right: -${offset}px;
`);
}
// Slide left
else {
offset = Math.abs(offset);
self.setCss(`
margin-top: 0px; margin-bottom: 0px;
opacity: 1; transition: none;
margin-right: ${offset}px;
margin-left: -${offset}px;
`);
}
// Put a threshold on if a click is actually dragging
widget.attribute.dragging =
Math.abs(offset) > SLIDE_MIN_THRESHOLD;
widget.cursor = 'grabbing';
}, 'drag-update')
// On drag end
.hook(gesture, () => {
// Make it slide in on init
if (!widget.attribute.ready) {
// Reverse of slideAway, so it started at squeeze, then we go to slide
self.setCss(slideIn === 'Left' ?
slideLeft :
slideRight);
timeout(ANIM_DURATION, () => {
// Then we go to center
self.setCss(defaultStyle);
timeout(ANIM_DURATION, () => {
widget.attribute.ready = true;
});
});
return;
}
const offset = gesture.get_offset()[1];
// If crosses threshold after letting go, slide away
if (Math.abs(offset) > MAX_OFFSET) {
if (offset > 0) {
widget.attribute.slideAway('Right');
}
else {
widget.attribute.slideAway('Left');
}
}
else {
self.setCss(defaultStyle);
widget.cursor = 'grab';
widget.attribute.dragging = false;
}
}, 'drag-end');
},
}));
return widget;
};