645 lines
18 KiB
JavaScript
645 lines
18 KiB
JavaScript
/* extension.js
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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/* Based on https://stackoverflow.com/questions/33001192/how-to-send-a-string-to-a-gnome-shell-extension */
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// https://github.com/bananenfisch/RecentItems/blob/master/extension.js
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// https://github.com/julio641742/gnome-shell-extension-reference/blob/master/tutorials/POPUPMENU-EXTENSION.md
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// https://gjs-docs.gnome.org/st10~1.0_api/st.widget
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// https://gitlab.gnome.org/GNOME/gnome-shell/-/blob/master/js/ui/panelMenu.js
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// https://gitlab.gnome.org/GNOME/gnome-shell/-/blob/master/js/ui/popupMenu.js
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// https://gitlab.gnome.org/GNOME/gnome-shell/-/blob/master/js/ui/panel.js
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const St = imports.gi.St;
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const Gio = imports.gi.Gio;
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const Lang = imports.lang;
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const GLib = imports.gi.GLib
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const Main = imports.ui.main;
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const Mainloop = imports.mainloop;
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const Clutter = imports.gi.Clutter;
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const PanelMenu = imports.ui.panelMenu;
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const PopupMenu = imports.ui.popupMenu;
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const GObject = imports.gi.GObject;
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const Pixbuf = imports.gi.GdkPixbuf;
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const Cogl = imports.gi.Cogl;
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function hash_get(hash, key, default_value) {
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if (hash.hasOwnProperty(key))
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return hash[key];
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return default_value;
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}
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function log(message) {
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global.log('[GenericMontior]', message);
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}
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var MyPopupMenuItem = GObject.registerClass({
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GTypeName: "MyPopupMenuItem"
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},
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class MyPopupMenuItem extends PopupMenu.PopupBaseMenuItem {
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_init(widgets, params) {
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super._init(params);
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this.box = new St.BoxLayout({ style_class: 'popup-combobox-item' });
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this.box.set_vertical(true);
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for (let widgetIndex in widgets)
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this.box.add(widgets[widgetIndex]);
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this.add_child(this.box);
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}
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});
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var MonitorWidget = GObject.registerClass({
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GTypeName: "MonitorWidget"
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},
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class MonitorWidget extends PanelMenu.Button {
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_init(item, group, dbus, position) {
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super._init(0.0);
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this.name = item['name'];
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this.group = group;
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this.fullname = this.name + '@' + this.group;
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this.dbus = dbus;
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if (item.hasOwnProperty('icon'))
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{
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if (typeof(item['icon']) === "string")
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this.icon = this._createIconOld(item);
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else
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this.icon = this._createIcon(item['icon']);
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if (this.icon !== null) {
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this._connectWidgetSignals(this.icon);
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this.add_child(this.icon);
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}
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}
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else
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this.icon = null;
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if (item.hasOwnProperty('text'))
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{
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if (typeof(item['text']) === "string")
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this.widget = this._createTextOld(item);
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else
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this.widget = this._createText(item['text']);
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if (this.widget !== null) {
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this._connectWidgetSignals(this.widget);
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this.add_child(this.widget);
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}
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}
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else
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this.widget = null;
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if (item.hasOwnProperty('popup'))
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this._createPopup(item['popup']);
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this.onClick = hash_get(item, 'on-click', '');
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this.onEnter = hash_get(item, 'on-enter', '');
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this.onLeave = hash_get(item, 'on-leave', '');
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let box = hash_get(item, 'box', 'center');
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if (box === 'right' && position == -1)
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position = 0;
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this.connect('enter-event', this._onEnter.bind(this));
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this.connect('leave-event', this._onLeave.bind(this));
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this.connect('style-changed', this._onStyleChanged.bind(this));
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// Disable click event at PanelMenu.button level
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this.setSensitive(false);
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this.nbClicks = 0;
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this.button = -1;
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this.nbEnter = 0;
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Main.panel.addToStatusArea(this.fullname, this, position, box);
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}
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_onStyleChanged(actor) {
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// Force these values to avoid big spaces between each widgets
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this._minHPadding = 1;
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this._natHPadding = 1;
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}
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_connectWidgetSignals(widget) {
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widget.connect('enter-event', this._onEnter.bind(this));
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widget.connect('leave-event', this._onLeave.bind(this));
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widget.set_reactive(true);
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widget.connect('button-release-event', Lang.bind(this, this._clicked));
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}
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_createPopup(item) {
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if (!item.hasOwnProperty('items')) {
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return null;
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}
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let widgets = [];
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for (let itemIndex in item['items']) {
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let widget = null;
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let widgetDict = item['items'][itemIndex];
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if (widgetDict.hasOwnProperty('text'))
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widget = this._createText(widgetDict['text']);
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else if (widgetDict.hasOwnProperty('picture'))
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widget = this._createPicture(widgetDict['picture']);
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if (widget !== null)
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widgets.push(widget);
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}
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if (widgets.length > 0) {
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this.menuItem = new MyPopupMenuItem(widgets, {});
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this.menu.addMenuItem(this.menuItem);
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this.menu.setSensitive(false);
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return this.menuItem;
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}
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return null;
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}
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_createTextOld(item) {
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var item_values = {};
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item_values = {'text':item['text']};
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if (item.hasOwnProperty('style'))
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item_values['style'] = item['style'];
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return this._createText(item_values);
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}
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_createText(item) {
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if (!item.hasOwnProperty('text')) {
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log("Text must have a \'text\' value");
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return null;
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}
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let style = hash_get(item, 'style', '');
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this.textProperties = item;
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if (item['text'] === '') {
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return null;
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} else {
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let widget = new St.Button({ label: item['text'] });
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widget.set_style(style);
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return widget;
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}
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}
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_createIconOld(item) {
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var item_values = {};
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item_values = {'path':item['icon']};
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if (item.hasOwnProperty('iconStyle'))
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item_values['style'] = item['iconStyle'];
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return this._createIcon(item_values);
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}
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_createIcon(item) {
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if (!item.hasOwnProperty('path')) {
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log("Icon must have a \'path\' value");
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return null;
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}
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let style = hash_get(item, 'style', '');
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this.iconProperties = item;
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if (item['path'] === '') {
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return null;
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} else {
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let gicon = Gio.icon_new_for_string(item['path']);
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gicon = new St.Icon({ gicon });
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gicon.set_style(style);
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return gicon;
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}
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}
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_createPicture(item) {
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if (!item.hasOwnProperty('path')) {
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log("Picture must have a \'path\' value");
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return null;
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}
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let width = hash_get(item, 'width', -1);
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let height = hash_get(item, 'height', -1);
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if (typeof(width) === "string")
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width = parseInt(width, 10);
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if (typeof(heigth) === "string")
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heigth = parseInt(heigth, 10);
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let img = new Clutter.Image();
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let initial_pixbuf = Pixbuf.Pixbuf.new_from_file(item['path']);
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img.set_data(initial_pixbuf.get_pixels(),
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initial_pixbuf.get_has_alpha() ? Cogl.PixelFormat.RGBA_8888
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: Cogl.PixelFormat.RGB_888,
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initial_pixbuf.get_width(),
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initial_pixbuf.get_height(),
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initial_pixbuf.get_rowstride());
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let picture = new Clutter.Actor();
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picture.set_content(img);
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picture.set_size((width != -1)?width:initial_pixbuf.get_width(),
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(height != -1)?height:initial_pixbuf.get_height());
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return picture;
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}
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_manageEventAction(action) {
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if (action === 'open-popup')
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this.menu.open(true);
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else if (action === 'close-popup')
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this.menu.close();
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else if (action == 'delete')
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this.dbus.deleteItem(this, this.group);
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else
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return Clutter.EVENT_PROPAGATE;
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return Clutter.EVENT_STOP;
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}
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_manageLeaveEvent() {
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if (this.nbEnter <= 0) {
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this._manageEventAction(this.onLeave);
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this.nbEnter = 0;
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}
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}
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_doClickCallback() {
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let right = '';
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let nbClicks = '';
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if (this.button == 3)
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right = 'Right';
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if (this.nbClicks > 1)
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nbClicks = 'Dbl';
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let signalName = 'on' + right + nbClicks + 'Click';
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this.dbus.emit_signal(signalName, this.fullname);
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this.nbClicks = 0;
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this.button = -1;
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}
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_clicked(actor, event) {
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if (this.onClick === 'signal') {
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if (event.get_button() == this.button) {
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this.nbClicks++;
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} else {
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this.button = event.get_button();
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this.nbClicks = 1;
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Mainloop.timeout_add(this.dbus.ClutterSettings['double-click-time'],
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Lang.bind(this, this._doClickCallback));
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}
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return Clutter.EVENT_STOP;
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} else if (this.onClick === 'open-popup') {
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this.menu.toggle();
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} else
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return this._manageEventAction(this.onClick);
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}
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_onEnter() {
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if (this.onEnter === 'signal')
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this.dbus.emit_signal('onEnter', this.fullname);
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else {
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this.nbEnter++;
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return this._manageEventAction(this.onEnter);
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}
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return Clutter.EVENT_STOP;
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}
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_onLeave() {
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if (this.onLeave === 'signal')
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this.dbus.emit_signal('onLeave', this.fullname);
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else {
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this.nbEnter--;
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Mainloop.timeout_add(this.dbus.ClutterSettings['double-click-time'],
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Lang.bind(this, this._manageLeaveEvent));
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}
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return Clutter.EVENT_STOP;
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}
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update(item) {
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let prevWidget = this.widget;
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let prevIcon = this.icon;
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if (item.hasOwnProperty('text'))
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{
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let text = '';
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let style = '';
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if (typeof(item['text']) === "string") {
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text = hash_get(item, 'text', '');
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style = hash_get(item, 'style', '');
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} else {
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let textValues = item['text'];
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text = hash_get(textValues, 'text', '');
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style = hash_get(textValues, 'style', '');
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}
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if (text !== '') {
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if (!this.widget) {
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if (typeof(item['text']) === "string")
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this.widget = this._createTextOld(item);
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else
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this.widget = this._createText(item['text']);
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this.insert_child_above(this.widget, this.icon);
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} else {
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this.widget.label = text;
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}
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}
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if (style !== '' && this.widget) {
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this.widget.set_style(style);
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}
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}
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if (item.hasOwnProperty('icon'))
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{
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let icon = '';
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let style = '';
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if (typeof(item['icon']) === "string") {
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icon = hash_get(item, 'icon', '');
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style = hash_get(item, 'iconStyle', '');
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} else {
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let iconValues = item['icon'];
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icon = hash_get(iconValues, 'path', '');
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style = hash_get(textValues, 'style', '');
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}
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if (icon !== '') {
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if (typeof(item['icon']) === "string")
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this.icon = this._createIconOld(item);
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else
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this.icon = this._createIcon(item['icon']);
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}
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if (prevIcon) {
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this.insert_child_above(this.icon, prevIcon);
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this.remove_child(prevIcon);
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//delete prevIcon;
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} else
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this.insert_child_before(this.icon, prevWidget);
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if (style !== '' && this.icon) {
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this.icon.set_style(style);
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}
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}
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if (item.hasOwnProperty('popup'))
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{
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if (this.menuItem) {
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this.menu.removeAll();
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//delete this.menuItem;
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}
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this._createPopup(item['popup']);
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}
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this.onClick = hash_get(item, 'on-click', this.onClick);
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this.onEnter = hash_get(item, 'on-enter', this.onEnter);
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this.onLeave = hash_get(item, 'on-leave', this.onLeave);
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}
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});
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// From https://github.com/ubuntu/gnome-shell-extension-appindicator/blob/master/interfaces.js
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// loads a xml file into an in-memory string
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function loadInterfaceXml(filename) {
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let extension = imports.misc.extensionUtils.getCurrentExtension();
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let interfacesDir = extension.dir.get_child('.');
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let file = interfacesDir.get_child(filename);
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let [result, contents] = imports.gi.GLib.file_get_contents(file.get_path());
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if (result) {
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// HACK: The "" + trick is important as hell because file_get_contents returns
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// an object (WTF?) but Gio.makeProxyWrapper requires `typeof() == "string"`
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// Otherwise, it will try to check `instanceof XML` and fail miserably because there
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// is no `XML` on very recent SpiderMonkey releases (or, if SpiderMonkey is old enough,
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// will spit out a TypeError soon).
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if (contents instanceof Uint8Array)
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contents = imports.byteArray.toString(contents);
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let res = `<node>${contents}</node>`;
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return res;
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} else {
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throw new Error(`Generic monitor: Could not load file: ${filename}`);
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}
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}
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class GenericMonitorDBUS {
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constructor() {
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this.monitor_groups = {};
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this.actor_clicked = {};
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this.ClutterSettings = Clutter.Settings.get_default();
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this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(loadInterfaceXml('dbus.xml'), this);
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this._dbusImpl.export(Gio.DBus.session, '/com/soutade/GenericMonitor');
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this._dbusImpl.emit_signal('onActivate', null);
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}
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emit_signal(name, value) {
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this._dbusImpl.emit_signal(name, GLib.Variant.new('(s)',[value]));
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}
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_checkParameters(parameters) {
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if (!parameters.hasOwnProperty('group')) {
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log('No group defined');
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return false;
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}
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if (!parameters.hasOwnProperty('items')) {
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log('No items defined');
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return false;
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}
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for (let itemIndex in parameters['items']) {
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let item = parameters['items'][itemIndex];
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if (!item.hasOwnProperty('name')) {
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log('No name defined for item');
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return false;
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}
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}
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return true;
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}
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_getItemFromGroup(group, name) {
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for (let groupItemIndex in group) {
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let groupItem = group[groupItemIndex];
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if (groupItem.name === name)
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return groupItem;
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}
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return null;
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}
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_removeFromArray(array, value) {
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for(let i=0; i<array.length; i++) {
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if (array[i] === value) {
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array.splice(i, 1);
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if (array === null)
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array = [];
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break;
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}
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}
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return array;
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}
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notify(str) {
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let parameters = JSON.parse(str);
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if (!this._checkParameters(parameters))
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return;
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let groupName = parameters['group'];
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let group;
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if (!this.monitor_groups.hasOwnProperty(groupName)) {
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group = [];
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this.monitor_groups[groupName] = group;
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} else {
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group = this.monitor_groups[groupName];
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}
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for (let itemIndex in parameters['items']) {
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let item = parameters['items'][itemIndex];
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let monitorWidget = this._getItemFromGroup(group, item['name']);
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// New widget
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if (monitorWidget === null) {
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let position = group.length - 1;
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// Find real position
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if (position != -1) {
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let lastWidget = group[position].container;
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let childrens = lastWidget.get_parent().get_children();
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for(;position < childrens.length; position++)
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{
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if (childrens[position] == lastWidget) {
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position++;
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break;
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}
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}
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if (position >= childrens.length)
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position = -1;
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}
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monitorWidget = new MonitorWidget(item, groupName, this, position);
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group.push(monitorWidget);
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} else {
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monitorWidget.update(item);
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}
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}
|
|
}
|
|
|
|
deleteItem(item, groupName) {
|
|
let group = this.monitor_groups[groupName];
|
|
group = this._removeFromArray(group, item);
|
|
item.destroy();
|
|
if (group.length === 0)
|
|
delete this.monitor_groups[groupName];
|
|
else
|
|
this.monitor_groups = group;
|
|
}
|
|
|
|
deleteItems(str) {
|
|
let parameters = JSON.parse(str);
|
|
|
|
if (!parameters.hasOwnProperty('items')) {
|
|
log('No items defined');
|
|
return false;
|
|
}
|
|
|
|
for (let itemIndex in parameters['items']) {
|
|
let itemName = parameters['items'][itemIndex];
|
|
let fullName = itemName.split('@');
|
|
if (fullName.length !== 2) {
|
|
log(`Invalid name ${itemName}`);
|
|
return false;
|
|
}
|
|
itemName = fullName[0];
|
|
let groupName = fullName[1];
|
|
if (!this.monitor_groups.hasOwnProperty(groupName))
|
|
continue;
|
|
let group = this.monitor_groups[groupName];
|
|
let item = this._getItemFromGroup(group, itemName);
|
|
if (item !== null) {
|
|
this.deleteItem(item, groupName);
|
|
}
|
|
}
|
|
}
|
|
|
|
deleteGroups(str) {
|
|
let parameters = JSON.parse(str);
|
|
|
|
if (!parameters.hasOwnProperty('groups')) {
|
|
log('No groups defined');
|
|
return false;
|
|
}
|
|
|
|
let groupsToDelete = [];
|
|
for (let groupIndex in parameters['groups']) {
|
|
let groupName = parameters['groups'][groupIndex];
|
|
if (!this.monitor_groups.hasOwnProperty(groupName))
|
|
continue;
|
|
let group = this.monitor_groups[groupName];
|
|
for (let itemIndex in group)
|
|
group[itemIndex].destroy();
|
|
groupsToDelete.push(groupName);
|
|
}
|
|
for (let groupDeleteIndex in groupsToDelete) {
|
|
let groupName = groupsToDelete[groupDeleteIndex];
|
|
delete this.monitor_groups[groupName];
|
|
}
|
|
}
|
|
|
|
destructor() {
|
|
this._dbusImpl.emit_signal('onDeactivate', null);
|
|
for (let groupIndex in this.monitor_groups) {
|
|
let group = this.monitor_groups[groupIndex];
|
|
for (let itemIndex in group)
|
|
group[itemIndex].destroy();
|
|
}
|
|
this.monitor_groups = {};
|
|
this._dbusImpl.unexport();
|
|
}
|
|
}
|
|
|
|
class Extension {
|
|
enable() {
|
|
this.textDBusService = new GenericMonitorDBUS();
|
|
}
|
|
|
|
disable() {
|
|
this.textDBusService.destructor();
|
|
delete this.textDBusService;
|
|
}
|
|
}
|
|
|
|
let extension = new Extension();
|
|
|
|
function init() {
|
|
}
|
|
|
|
function enable() {
|
|
extension.enable();
|
|
}
|
|
|
|
function disable() {
|
|
extension.disable();
|
|
}
|