158 lines
4.8 KiB
JavaScript
158 lines
4.8 KiB
JavaScript
import { timeout } from 'resource:///com/github/Aylur/ags/utils.js';
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import { Box, EventBox, Overlay } from 'resource:///com/github/Aylur/ags/widget.js';
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import Gtk from 'gi://Gtk';
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const MAX_OFFSET = 200;
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const OFFSCREEN = 500;
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const ANIM_DURATION = 500;
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const TRANSITION = `transition: margin ${ANIM_DURATION}ms ease,
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opacity ${ANIM_DURATION}ms ease;`;
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export default ({
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properties,
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connections,
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props,
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} = {}) => {
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const widget = EventBox();
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const gesture = Gtk.GestureDrag.new(widget);
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// Have empty PlayerBox to define the size of the widget
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const emptyPlayer = Box({ className: 'player' });
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// Set this prop to differentiate it easily
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emptyPlayer.empty = true;
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const content = Overlay({
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...props,
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properties: [
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...properties,
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['dragging', false],
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],
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child: emptyPlayer,
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connections: [
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...connections,
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[gesture, (overlay, realGesture) => {
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if (realGesture) {
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overlay.list().forEach((over) => {
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over.visible = true;
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});
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}
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else {
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overlay.showTopOnly();
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}
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// Don't allow gesture when only one player
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if (overlay.list().length <= 1) {
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return;
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}
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overlay._dragging = true;
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let offset = gesture.get_offset()[1];
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const playerBox = overlay.list().at(-1);
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// Slide right
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if (offset >= 0) {
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playerBox.setCss(`
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margin-left: ${offset}px;
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margin-right: -${offset}px;
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${playerBox._bgStyle}
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`);
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}
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// Slide left
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else {
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offset = Math.abs(offset);
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playerBox.setCss(`
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margin-left: -${offset}px;
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margin-right: ${offset}px;
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${playerBox._bgStyle}
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`);
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}
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}, 'drag-update'],
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[gesture, (overlay) => {
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// Don't allow gesture when only one player
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if (overlay.list().length <= 1) {
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return;
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}
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overlay._dragging = false;
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const offset = gesture.get_offset()[1];
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const playerBox = overlay.list().at(-1);
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// If crosses threshold after letting go, slide away
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if (Math.abs(offset) > MAX_OFFSET) {
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// Disable inputs during animation
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widget.sensitive = false;
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// Slide away right
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if (offset >= 0) {
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playerBox.setCss(`
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${TRANSITION}
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margin-left: ${OFFSCREEN}px;
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margin-right: -${OFFSCREEN}px;
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opacity: 0.7; ${playerBox._bgStyle}
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`);
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}
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// Slide away left
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else {
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playerBox.setCss(`
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${TRANSITION}
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margin-left: -${OFFSCREEN}px;
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margin-right: ${OFFSCREEN}px;
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opacity: 0.7; ${playerBox._bgStyle}`);
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}
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timeout(ANIM_DURATION, () => {
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// Put the player in the back after anim
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overlay.reorder_overlay(playerBox, 0);
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// Recenter player
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playerBox.setCss(playerBox._bgStyle);
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widget.sensitive = true;
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overlay.showTopOnly();
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});
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}
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else {
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// Recenter with transition for animation
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playerBox.setCss(`${TRANSITION} ${playerBox._bgStyle}`);
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}
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}, 'drag-end'],
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],
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});
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widget.add(content);
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// Overlay methods
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content.list = () => content.get_children()
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.filter((ch) => !ch.empty);
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content.includesWidget = (playerW) => {
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return content.list().find((w) => w === playerW);
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};
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content.showTopOnly = () => content.list().forEach((over) => {
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over.visible = over === content.list().at(-1);
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});
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content.moveToTop = (player) => {
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player.visible = true;
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content.reorder_overlay(player, -1);
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timeout(ANIM_DURATION, () => {
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content.showTopOnly();
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});
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};
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widget.getOverlay = () => content;
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return widget;
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};
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