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+/* This extension is a derived work of the Gnome Shell.
+*
+* Copyright (c) 2013 Paolo Tranquilli
+*
+* This extension is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 2 of the License, or
+* (at your option) any later version.
+*
+* This extension is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this extension; if not, write to the Free Software
+* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+const CLOSE_BUTTON = 'close-button';
+const REARRANGE_DELAY = 'rearrange-delay';
+
+
+const St = imports.gi.St;
+const Main = imports.ui.main;
+const Workspace = imports.ui.workspace
+const WindowPreview = imports.ui.windowPreview.WindowPreview
+const Mainloop = imports.mainloop;
+const ExtensionUtils = imports.misc.extensionUtils;
+const GObject = imports.gi.GObject;
+
+const Me = ExtensionUtils.getCurrentExtension();
+
+var Init = class Init {
+
+ _connectSettings() {
+ this._settingsSignals = [];
+ this._settingsSignals.push(this._settings.connect('changed::'+CLOSE_BUTTON, this._setCloseButton.bind(this)));
+ this._settingsSignals.push(this._settings.connect('changed::'+REARRANGE_DELAY, this._setRearrangeDelay.bind(this)));
+ }
+
+ _disconnectSettings() {
+ while(this._settingsSignals.length > 0) {
+ this._settings.disconnect(this._settingsSignals.pop());
+ }
+ }
+
+ _setCloseButton() {
+ this._closeButton = this._settings.get_enum(CLOSE_BUTTON) + 1;
+ }
+
+ _setRearrangeDelay() {
+ this._rearrangeDelay = this._settings.get_int(REARRANGE_DELAY);
+ }
+
+ enable() {
+ this._oldAddWindowClone = Workspace.Workspace.prototype._addWindowClone;
+ this._settings = ExtensionUtils.getSettings();
+ this._oldDelay = Workspace.WINDOW_REPOSITIONING_DELAY;
+ this._setCloseButton();
+ this._setRearrangeDelay();
+ // I'll go with a closure, not sure how to do it otherwise
+ let init = this;
+
+ // my handling logic
+ const onClicked = function(action, actor) {
+ this._selected = true;
+ if (action.get_button() == init._closeButton) {
+ this._deleteAll();
+ } else {
+ WindowPreview.prototype._activate.apply(this);
+ }
+ };
+
+ // override _addWindowClone to add my event handler
+ Workspace.Workspace.prototype._addWindowClone = function(metaWindow) {
+ let clone = init._oldAddWindowClone.apply(this, [metaWindow]);
+
+ // remove default 'clicked' signal handler
+ let id = GObject.signal_handler_find(
+ clone.get_actions()[0],
+ {signalId: 'clicked'}
+ )
+ clone.get_actions()[0].disconnect(id);
+
+ // add custom 'clicked' signal handler
+ clone.get_actions()[0].connect('clicked', onClicked.bind(clone));
+
+ return clone;
+ }
+
+ // override Workspace's _doRemoveWindow in order to put into it the
+ // parameteriseable rearrangement delay. Rather than copy the code from
+ // workspace.js, we reuse it but remove the scheduled rearrangement task
+ // (as its 750ms delay is hard-coded...)
+ Workspace.WINDOW_REPOSITIONING_DELAY = Math.max(init._rearrangeDelay,1);
+
+ this._connectSettings();
+ }
+
+ disable() {
+ Workspace.WINDOW_REPOSITIONING_DELAY = this._oldDelay;
+ Workspace.Workspace.prototype._addWindowClone = this._oldAddWindowClone;
+ this._disconnectSettings();
+ }
+}
+
+function init() {
+ ExtensionUtils.initTranslations();
+}
+
+let _init;
+function enable() {
+ _init = new Init();
+ _init.enable();
+}
+
+function disable() {
+ _init?.disable();
+ _init = null;
+}