91 lines
3.0 KiB
JavaScript
91 lines
3.0 KiB
JavaScript
import Gio from 'gi://Gio';
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import GLib from 'gi://GLib';
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import * as Main from 'resource:///org/gnome/shell/ui/main.js';
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import * as LookingGlass from 'resource:///org/gnome/shell/ui/lookingGlass.js';
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export const ApplicationsService = class ApplicationsService {
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constructor() {
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let decoder = new TextDecoder();
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let path = GLib.filename_from_uri(GLib.uri_resolve_relative(
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import.meta.url, 'iface.xml', GLib.UriFlags.NONE)
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)[0];
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let [, buffer] = GLib.file_get_contents(path);
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let iface = decoder.decode(buffer);
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GLib.free(buffer);
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this.DBusImpl = Gio.DBusExportedObject.wrapJSObject(iface, this);
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}
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/// Pick Window for Preferences Page, exported to DBus client.
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pick() {
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// emit `picking` signal to know we are listening
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const send_picking_signal = _ =>
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this.DBusImpl.emit_signal(
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'picking',
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null
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);
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// emit `picked` signal to send wm_class
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const send_picked_signal = wm_class =>
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this.DBusImpl.emit_signal(
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'picked',
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new GLib.Variant('(s)', [wm_class])
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);
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// notify the preferences that we are listening
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send_picking_signal();
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// A very interesting way to pick a window:
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// 1. Open LookingGlass to mask all event handles of window
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// 2. Use inspector to pick window, thats is also lookingGlass do
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// 3. Close LookingGlass when done
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// It will restore event handles of window
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// open then hide LookingGlass
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const looking_class = Main.createLookingGlass();
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looking_class.open();
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looking_class.hide();
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// inspect window now
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const inspector = new LookingGlass.Inspector(Main.createLookingGlass());
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inspector.connect('target', (me, target, x, y) => {
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// remove border effect when window is picked.
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const effect_name = 'lookingGlass_RedBorderEffect';
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target
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.get_effects()
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.filter(e => e.toString().includes(effect_name))
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.forEach(e => target.remove_effect(e));
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// get wm_class_instance property of window, then pass it to DBus
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// client
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const type_str = target.toString();
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let actor = target;
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if (type_str.includes('MetaSurfaceActor'))
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actor = target.get_parent();
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if (!actor.toString().includes('WindowActor'))
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return send_picked_signal('window-not-found');
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send_picked_signal(
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actor.meta_window.get_wm_class() ?? 'window-not-found'
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);
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});
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// close LookingGlass when we're done
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inspector.connect('closed', _ => looking_class.close());
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}
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export() {
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this.DBusImpl.export(
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Gio.DBus.session,
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'/dev/aunetx/BlurMyShell'
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);
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};
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unexport() {
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this.DBusImpl.unexport();
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}
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};
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