Add base gnome extensions
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// SPDX-FileCopyrightText: GSConnect Developers https://github.com/GSConnect
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//
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// SPDX-License-Identifier: GPL-2.0-or-later
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'use strict';
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const Gdk = imports.gi.Gdk;
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const GLib = imports.gi.GLib;
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const Gtk = imports.gi.Gtk;
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const Gio = imports.gi.Gio;
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const GObject = imports.gi.GObject;
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const DBUS_NAME = 'org.gnome.Shell.Extensions.GSConnect.Clipboard';
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const DBUS_PATH = '/org/gnome/Shell/Extensions/GSConnect/Clipboard';
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var Clipboard = GObject.registerClass({
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GTypeName: 'GSConnectClipboard',
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Properties: {
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'text': GObject.ParamSpec.string(
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'text',
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'Text Content',
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'The current text content of the clipboard',
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GObject.ParamFlags.READWRITE,
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''
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),
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},
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}, class Clipboard extends GObject.Object {
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_init() {
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super._init();
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this._cancellable = new Gio.Cancellable();
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this._clipboard = null;
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this._ownerChangeId = 0;
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this._nameWatcherId = Gio.bus_watch_name(
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Gio.BusType.SESSION,
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DBUS_NAME,
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Gio.BusNameWatcherFlags.NONE,
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this._onNameAppeared.bind(this),
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this._onNameVanished.bind(this)
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);
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}
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get text() {
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if (this._text === undefined)
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this._text = '';
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return this._text;
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}
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set text(content) {
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if (this.text === content)
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return;
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this._text = content;
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this.notify('text');
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if (typeof content !== 'string')
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return;
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if (this._clipboard instanceof Gtk.Clipboard)
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this._clipboard.set_text(content, -1);
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if (this._clipboard instanceof Gio.DBusProxy) {
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this._clipboard.call('SetText', new GLib.Variant('(s)', [content]),
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Gio.DBusCallFlags.NO_AUTO_START, -1, this._cancellable)
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.catch(debug);
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}
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}
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async _onNameAppeared(connection, name, name_owner) {
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try {
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// Cleanup the GtkClipboard
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if (this._clipboard && this._ownerChangeId > 0) {
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this._clipboard.disconnect(this._ownerChangeId);
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this._ownerChangeId = 0;
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}
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// Create a proxy for the remote clipboard
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this._clipboard = new Gio.DBusProxy({
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g_bus_type: Gio.BusType.SESSION,
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g_name: DBUS_NAME,
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g_object_path: DBUS_PATH,
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g_interface_name: DBUS_NAME,
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g_flags: Gio.DBusProxyFlags.DO_NOT_LOAD_PROPERTIES,
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});
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await this._clipboard.init_async(GLib.PRIORITY_DEFAULT,
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this._cancellable);
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this._ownerChangeId = this._clipboard.connect('g-signal',
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this._onOwnerChange.bind(this));
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this._onOwnerChange();
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if (!globalThis.HAVE_GNOME) {
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// Directly subscrible signal
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this.signalHandler = Gio.DBus.session.signal_subscribe(
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DBUS_NAME,
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DBUS_NAME,
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'OwnerChange',
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DBUS_PATH,
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null,
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Gio.DBusSignalFlags.NONE,
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this._onOwnerChange.bind(this)
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);
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}
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} catch (e) {
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if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED)) {
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debug(e);
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this._onNameVanished(null, null);
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}
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}
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}
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_onNameVanished(connection, name) {
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if (this._clipboard && this._ownerChangeId > 0) {
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this._clipboard.disconnect(this._ownerChangeId);
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this._clipboardChangedId = 0;
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}
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const display = Gdk.Display.get_default();
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this._clipboard = Gtk.Clipboard.get_default(display);
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this._ownerChangeId = this._clipboard.connect('owner-change',
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this._onOwnerChange.bind(this));
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this._onOwnerChange();
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}
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async _onOwnerChange() {
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try {
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if (this._clipboard instanceof Gtk.Clipboard)
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await this._gtkUpdateText();
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else if (this._clipboard instanceof Gio.DBusProxy)
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await this._proxyUpdateText();
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} catch (e) {
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if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
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debug(e);
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}
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}
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_applyUpdate(text) {
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if (typeof text !== 'string' || this.text === text)
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return;
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this._text = text;
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this.notify('text');
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}
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/*
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* Proxy Clipboard
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*/
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async _proxyUpdateText() {
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let reply = await this._clipboard.call('GetMimetypes', null,
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Gio.DBusCallFlags.NO_AUTO_START, -1, this._cancellable);
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const mimetypes = reply.deepUnpack()[0];
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// Special case for a cleared clipboard
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if (mimetypes.length === 0)
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return this._applyUpdate('');
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// Special case to ignore copied files
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if (mimetypes.includes('text/uri-list'))
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return;
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reply = await this._clipboard.call('GetText', null,
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Gio.DBusCallFlags.NO_AUTO_START, -1, this._cancellable);
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const text = reply.deepUnpack()[0];
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this._applyUpdate(text);
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}
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/*
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* GtkClipboard
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*/
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async _gtkUpdateText() {
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const mimetypes = await new Promise((resolve, reject) => {
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this._clipboard.request_targets((clipboard, atoms) => resolve(atoms));
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});
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// Special case for a cleared clipboard
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if (mimetypes.length === 0)
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return this._applyUpdate('');
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// Special case to ignore copied files
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if (mimetypes.includes('text/uri-list'))
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return;
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const text = await new Promise((resolve, reject) => {
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this._clipboard.request_text((clipboard, text) => resolve(text));
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});
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this._applyUpdate(text);
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}
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destroy() {
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if (this._cancellable.is_cancelled())
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return;
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this._cancellable.cancel();
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if (this._clipboard && this._ownerChangeId > 0) {
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this._clipboard.disconnect(this._ownerChangeId);
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this._ownerChangedId = 0;
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}
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if (this._nameWatcherId > 0) {
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Gio.bus_unwatch_name(this._nameWatcherId);
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this._nameWatcherId = 0;
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}
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if (!globalThis.HAVE_GNOME && this.signalHandler)
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Gio.DBus.session.signal_unsubscribe(this.signalHandler);
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}
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});
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/**
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* The service class for this component
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*/
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var Component = Clipboard;
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// vim:tabstop=2:shiftwidth=2:expandtab
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