492 lines
15 KiB
JavaScript
492 lines
15 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const Gio = imports.gi.Gio;
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const GLib = imports.gi.GLib;
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const Lang = imports.lang;
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const Meta = imports.gi.Meta;
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const Shell = imports.gi.Shell;
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const Config = imports.misc.config;
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const ExtensionSystem = imports.ui.extensionSystem;
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const ExtensionDownloader = imports.ui.extensionDownloader;
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const ExtensionUtils = imports.misc.extensionUtils;
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const Main = imports.ui.main;
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const Screenshot = imports.ui.screenshot;
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const ViewSelector = imports.ui.viewSelector;
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const GnomeShellIface = `
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<node>
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<interface name="org.gnome.Shell">
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<method name="Eval">
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<arg type="s" direction="in" name="script" />
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<arg type="b" direction="out" name="success" />
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<arg type="s" direction="out" name="result" />
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</method>
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<method name="FocusSearch"/>
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<method name="ShowOSD">
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<arg type="a{sv}" direction="in" name="params"/>
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</method>
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<method name="ShowMonitorLabels">
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<arg type="a{uv}" direction="in" name="params" />
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</method>
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<method name="ShowMonitorLabels2">
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<arg type="a{sv}" direction="in" name="params" />
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</method>
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<method name="HideMonitorLabels" />
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<method name="FocusApp">
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<arg type="s" direction="in" name="id"/>
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</method>
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<method name="ShowApplications" />
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<method name="GrabAccelerator">
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<arg type="s" direction="in" name="accelerator"/>
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<arg type="u" direction="in" name="flags"/>
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<arg type="u" direction="out" name="action"/>
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</method>
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<method name="GrabAccelerators">
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<arg type="a(su)" direction="in" name="accelerators"/>
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<arg type="au" direction="out" name="actions"/>
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</method>
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<method name="UngrabAccelerator">
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<arg type="u" direction="in" name="action"/>
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<arg type="b" direction="out" name="success"/>
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</method>
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<signal name="AcceleratorActivated">
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<arg name="action" type="u" />
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<arg name="parameters" type="a{sv}" />
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</signal>
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<property name="Mode" type="s" access="read" />
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<property name="OverviewActive" type="b" access="readwrite" />
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<property name="ShellVersion" type="s" access="read" />
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</interface>
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</node>`;
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const ScreenSaverIface = `
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<node>
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<interface name="org.gnome.ScreenSaver">
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<method name="Lock">
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</method>
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<method name="GetActive">
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<arg name="active" direction="out" type="b" />
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</method>
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<method name="SetActive">
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<arg name="value" direction="in" type="b" />
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</method>
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<method name="GetActiveTime">
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<arg name="value" direction="out" type="u" />
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</method>
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<signal name="ActiveChanged">
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<arg name="new_value" type="b" />
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</signal>
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<signal name="WakeUpScreen" />
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</interface>
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</node>`;
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var GnomeShell = new Lang.Class({
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Name: 'GnomeShellDBus',
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_init() {
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this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(GnomeShellIface, this);
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this._dbusImpl.export(Gio.DBus.session, '/org/gnome/Shell');
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this._extensionsService = new GnomeShellExtensions();
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this._screenshotService = new Screenshot.ScreenshotService();
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this._grabbedAccelerators = new Map();
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this._grabbers = new Map();
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global.display.connect('accelerator-activated',
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(display, action, deviceid, timestamp) => {
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this._emitAcceleratorActivated(action, deviceid, timestamp);
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});
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this._cachedOverviewVisible = false;
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Main.overview.connect('showing',
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this._checkOverviewVisibleChanged.bind(this));
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Main.overview.connect('hidden',
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this._checkOverviewVisibleChanged.bind(this));
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},
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/**
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* Eval:
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* @code: A string containing JavaScript code
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*
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* This function executes arbitrary code in the main
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* loop, and returns a boolean success and
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* JSON representation of the object as a string.
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*
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* If evaluation completes without throwing an exception,
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* then the return value will be [true, JSON.stringify(result)].
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* If evaluation fails, then the return value will be
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* [false, JSON.stringify(exception)];
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*
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*/
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Eval(code) {
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if (!global.settings.get_boolean('development-tools'))
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return [false, ''];
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let returnValue;
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let success;
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try {
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returnValue = JSON.stringify(eval(code));
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// A hack; DBus doesn't have null/undefined
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if (returnValue == undefined)
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returnValue = '';
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success = true;
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} catch (e) {
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returnValue = '' + e;
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success = false;
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}
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return [success, returnValue];
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},
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FocusSearch() {
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Main.overview.focusSearch();
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},
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ShowOSD(params) {
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for (let param in params)
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params[param] = params[param].deep_unpack();
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let { monitor: monitorIndex,
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label,
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level,
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max_level: maxLevel,
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icon: serializedIcon } = params;
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if (monitorIndex === undefined)
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monitorIndex = -1;
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let icon = null;
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if (serializedIcon)
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icon = Gio.Icon.new_for_string(serializedIcon);
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Main.osdWindowManager.show(monitorIndex, icon, label, level, maxLevel);
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},
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FocusApp(id) {
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this.ShowApplications();
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Main.overview.viewSelector.appDisplay.selectApp(id);
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},
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ShowApplications() {
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Main.overview.viewSelector.showApps();
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},
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GrabAcceleratorAsync(params, invocation) {
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let [accel, flags] = params;
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let sender = invocation.get_sender();
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let bindingAction = this._grabAcceleratorForSender(accel, flags, sender);
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return invocation.return_value(GLib.Variant.new('(u)', [bindingAction]));
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},
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GrabAcceleratorsAsync(params, invocation) {
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let [accels] = params;
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let sender = invocation.get_sender();
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let bindingActions = [];
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for (let i = 0; i < accels.length; i++) {
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let [accel, flags] = accels[i];
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bindingActions.push(this._grabAcceleratorForSender(accel, flags, sender));
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}
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return invocation.return_value(GLib.Variant.new('(au)', [bindingActions]));
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},
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UngrabAcceleratorAsync(params, invocation) {
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let [action] = params;
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let grabbedBy = this._grabbedAccelerators.get(action);
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if (invocation.get_sender() != grabbedBy)
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return invocation.return_value(GLib.Variant.new('(b)', [false]));
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let ungrabSucceeded = global.display.ungrab_accelerator(action);
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if (ungrabSucceeded)
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this._grabbedAccelerators.delete(action);
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return invocation.return_value(GLib.Variant.new('(b)', [ungrabSucceeded]));
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},
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_emitAcceleratorActivated(action, deviceid, timestamp) {
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let destination = this._grabbedAccelerators.get(action);
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if (!destination)
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return;
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let connection = this._dbusImpl.get_connection();
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let info = this._dbusImpl.get_info();
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let params = { 'device-id': GLib.Variant.new('u', deviceid),
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'timestamp': GLib.Variant.new('u', timestamp),
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'action-mode': GLib.Variant.new('u', Main.actionMode) };
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connection.emit_signal(destination,
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this._dbusImpl.get_object_path(),
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info ? info.name : null,
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'AcceleratorActivated',
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GLib.Variant.new('(ua{sv})', [action, params]));
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},
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_grabAcceleratorForSender(accelerator, flags, sender) {
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let bindingAction = global.display.grab_accelerator(accelerator);
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if (bindingAction == Meta.KeyBindingAction.NONE)
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return Meta.KeyBindingAction.NONE;
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let bindingName = Meta.external_binding_name_for_action(bindingAction);
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Main.wm.allowKeybinding(bindingName, flags);
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this._grabbedAccelerators.set(bindingAction, sender);
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if (!this._grabbers.has(sender)) {
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let id = Gio.bus_watch_name(Gio.BusType.SESSION, sender, 0, null,
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this._onGrabberBusNameVanished.bind(this));
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this._grabbers.set(sender, id);
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}
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return bindingAction;
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},
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_ungrabAccelerator(action) {
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let ungrabSucceeded = global.display.ungrab_accelerator(action);
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if (ungrabSucceeded)
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this._grabbedAccelerators.delete(action);
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},
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_onGrabberBusNameVanished(connection, name) {
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let grabs = this._grabbedAccelerators.entries();
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for (let [action, sender] of grabs) {
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if (sender == name)
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this._ungrabAccelerator(action);
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}
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Gio.bus_unwatch_name(this._grabbers.get(name));
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this._grabbers.delete(name);
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},
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ShowMonitorLabelsAsync(params, invocation) {
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let sender = invocation.get_sender();
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let [dict] = params;
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Main.osdMonitorLabeler.show(sender, dict);
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},
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ShowMonitorLabels2Async(params, invocation) {
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let sender = invocation.get_sender();
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let [dict] = params;
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Main.osdMonitorLabeler.show2(sender, dict);
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},
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HideMonitorLabelsAsync(params, invocation) {
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let sender = invocation.get_sender();
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Main.osdMonitorLabeler.hide(sender);
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},
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Mode: global.session_mode,
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_checkOverviewVisibleChanged() {
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if (Main.overview.visible !== this._cachedOverviewVisible) {
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this._cachedOverviewVisible = Main.overview.visible;
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this._dbusImpl.emit_property_changed('OverviewActive', new GLib.Variant('b', this._cachedOverviewVisible));
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}
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},
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get OverviewActive() {
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return this._cachedOverviewVisible;
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},
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set OverviewActive(visible) {
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if (visible)
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Main.overview.show();
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else
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Main.overview.hide();
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},
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ShellVersion: Config.PACKAGE_VERSION
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});
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const GnomeShellExtensionsIface = `
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<node>
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<interface name="org.gnome.Shell.Extensions">
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<method name="ListExtensions">
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<arg type="a{sa{sv}}" direction="out" name="extensions" />
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</method>
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<method name="GetExtensionInfo">
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<arg type="s" direction="in" name="extension" />
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<arg type="a{sv}" direction="out" name="info" />
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</method>
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<method name="GetExtensionErrors">
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<arg type="s" direction="in" name="extension" />
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<arg type="as" direction="out" name="errors" />
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</method>
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<signal name="ExtensionStatusChanged">
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<arg type="s" name="uuid"/>
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<arg type="i" name="state"/>
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<arg type="s" name="error"/>
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</signal>
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<method name="InstallRemoteExtension">
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<arg type="s" direction="in" name="uuid"/>
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<arg type="s" direction="out" name="result"/>
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</method>
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<method name="UninstallExtension">
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<arg type="s" direction="in" name="uuid"/>
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<arg type="b" direction="out" name="success"/>
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</method>
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<method name="LaunchExtensionPrefs">
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<arg type="s" direction="in" name="uuid"/>
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</method>
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<method name="ReloadExtension">
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<arg type="s" direction="in" name="uuid"/>
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</method>
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<method name="CheckForUpdates">
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</method>
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<property name="ShellVersion" type="s" access="read" />
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</interface>
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</node>`;
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var GnomeShellExtensions = new Lang.Class({
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Name: 'GnomeShellExtensionsDBus',
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_init() {
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this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(GnomeShellExtensionsIface, this);
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this._dbusImpl.export(Gio.DBus.session, '/org/gnome/Shell');
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ExtensionSystem.connect('extension-state-changed',
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this._extensionStateChanged.bind(this));
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},
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ListExtensions() {
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let out = {};
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for (let uuid in ExtensionUtils.extensions) {
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let dbusObj = this.GetExtensionInfo(uuid);
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out[uuid] = dbusObj;
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}
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return out;
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},
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GetExtensionInfo(uuid) {
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let extension = ExtensionUtils.extensions[uuid];
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if (!extension)
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return {};
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let obj = {};
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Lang.copyProperties(extension.metadata, obj);
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// Only serialize the properties that we actually need.
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const serializedProperties = ["type", "state", "path", "error", "hasPrefs"];
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serializedProperties.forEach(prop => {
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obj[prop] = extension[prop];
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});
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let out = {};
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for (let key in obj) {
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let val = obj[key];
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let type;
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switch (typeof val) {
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case 'string':
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type = 's';
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break;
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case 'number':
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type = 'd';
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break;
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case 'boolean':
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type = 'b';
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break;
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default:
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continue;
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}
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out[key] = GLib.Variant.new(type, val);
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}
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return out;
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},
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GetExtensionErrors(uuid) {
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let extension = ExtensionUtils.extensions[uuid];
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if (!extension)
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return [];
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if (!extension.errors)
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return [];
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return extension.errors;
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},
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InstallRemoteExtensionAsync([uuid], invocation) {
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return ExtensionDownloader.installExtension(uuid, invocation);
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},
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UninstallExtension(uuid) {
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return ExtensionDownloader.uninstallExtension(uuid);
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},
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LaunchExtensionPrefs(uuid) {
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let appSys = Shell.AppSystem.get_default();
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let app = appSys.lookup_app('gnome-shell-extension-prefs.desktop');
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let info = app.get_app_info();
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let timestamp = global.display.get_current_time_roundtrip();
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info.launch_uris(['extension:///' + uuid],
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global.create_app_launch_context(timestamp, -1));
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},
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ReloadExtension(uuid) {
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let extension = ExtensionUtils.extensions[uuid];
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if (!extension)
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return;
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ExtensionSystem.reloadExtension(extension);
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},
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CheckForUpdates() {
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ExtensionDownloader.checkForUpdates();
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},
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ShellVersion: Config.PACKAGE_VERSION,
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_extensionStateChanged(_, newState) {
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this._dbusImpl.emit_signal('ExtensionStatusChanged',
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GLib.Variant.new('(sis)', [newState.uuid, newState.state, newState.error]));
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}
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});
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var ScreenSaverDBus = new Lang.Class({
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Name: 'ScreenSaverDBus',
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_init(screenShield) {
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this.parent();
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this._screenShield = screenShield;
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screenShield.connect('active-changed', shield => {
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this._dbusImpl.emit_signal('ActiveChanged', GLib.Variant.new('(b)', [shield.active]));
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});
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screenShield.connect('wake-up-screen', shield => {
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this._dbusImpl.emit_signal('WakeUpScreen', null);
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});
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this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(ScreenSaverIface, this);
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this._dbusImpl.export(Gio.DBus.session, '/org/gnome/ScreenSaver');
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Gio.DBus.session.own_name('org.gnome.ScreenSaver', Gio.BusNameOwnerFlags.REPLACE, null, null);
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},
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LockAsync(parameters, invocation) {
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let tmpId = this._screenShield.connect('lock-screen-shown', () => {
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this._screenShield.disconnect(tmpId);
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invocation.return_value(null);
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});
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this._screenShield.lock(true);
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},
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SetActive(active) {
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if (active)
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this._screenShield.activate(true);
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else
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this._screenShield.deactivate(false);
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},
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GetActive() {
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return this._screenShield.active;
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},
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GetActiveTime() {
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let started = this._screenShield.activationTime;
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if (started > 0)
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return Math.floor((GLib.get_monotonic_time() - started) / 1000000);
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else
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return 0;
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},
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});
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