gnome-shell/js/ui/remoteMenu.js

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Atk = imports.gi.Atk;
const GLib = imports.gi.GLib;
const GObject = imports.gi.GObject;
const Gio = imports.gi.Gio;
const Lang = imports.lang;
const Shell = imports.gi.Shell;
const ShellMenu = imports.gi.ShellMenu;
const St = imports.gi.St;
const PopupMenu = imports.ui.popupMenu;
function stripMnemonics(label) {
if (!label)
return '';
// remove all underscores that are not followed by another underscore
return label.replace(/_([^_])/, '$1');
}
function _insertItem(menu, trackerItem, position) {
let mapper;
if (trackerItem.get_is_separator())
mapper = new RemoteMenuSeparatorItemMapper(trackerItem);
else if (trackerItem.get_has_submenu())
mapper = new RemoteMenuSubmenuItemMapper(trackerItem);
else
mapper = new RemoteMenuItemMapper(trackerItem);
let item = mapper.menuItem;
menu.addMenuItem(item, position);
}
function _removeItem(menu, position) {
let items = menu._getMenuItems();
items[position].destroy();
}
const RemoteMenuSeparatorItemMapper = new Lang.Class({
Name: 'RemoteMenuSeparatorItemMapper',
_init: function(trackerItem) {
this._trackerItem = trackerItem;
this.menuItem = new PopupMenu.PopupSeparatorMenuItem();
this._trackerItem.connect('notify::label', Lang.bind(this, this._updateLabel));
this._updateLabel();
this.menuItem.connect('destroy', function() {
trackerItem.run_dispose();
});
},
_updateLabel: function() {
this.menuItem.label.text = stripMnemonics(this._trackerItem.label);
},
});
const RequestSubMenu = new Lang.Class({
Name: 'RequestSubMenu',
Extends: PopupMenu.PopupSubMenuMenuItem,
_init: function() {
this.parent('');
this._requestOpen = false;
},
_setOpenState: function(open) {
this.emit('request-open', open);
this._requestOpen = open;
},
_getOpenState: function() {
return this._requestOpen;
},
});
const RemoteMenuSubmenuItemMapper = new Lang.Class({
Name: 'RemoteMenuSubmenuItemMapper',
_init: function(trackerItem) {
this._trackerItem = trackerItem;
this.menuItem = new RequestSubMenu();
this._trackerItem.connect('notify::label', Lang.bind(this, this._updateLabel));
this._updateLabel();
this._tracker = Shell.MenuTracker.new_for_item_submenu(this._trackerItem,
_insertItem.bind(null, this.menuItem.menu),
_removeItem.bind(null, this.menuItem.menu));
this.menuItem.connect('request-open', Lang.bind(this, function(menu, open) {
this._trackerItem.request_submenu_shown(open);
}));
this._trackerItem.connect('notify::submenu-shown', Lang.bind(this, function() {
this.menuItem.setSubmenuShown(this._trackerItem.get_submenu_shown());
}));
this.menuItem.connect('destroy', function() {
trackerItem.run_dispose();
});
},
destroy: function() {
this._tracker.destroy();
this.parent();
},
_updateLabel: function() {
this.menuItem.label.text = stripMnemonics(this._trackerItem.label);
},
});
const RemoteMenuItemMapper = new Lang.Class({
Name: 'RemoteMenuItemMapper',
_init: function(trackerItem) {
this._trackerItem = trackerItem;
this.menuItem = new PopupMenu.PopupBaseMenuItem();
this._label = new St.Label();
this.menuItem.actor.add_child(this._label);
this.menuItem.actor.label_actor = this._label;
this.menuItem.connect('activate', Lang.bind(this, function() {
this._trackerItem.activated();
}));
this._trackerItem.bind_property('visible', this.menuItem.actor, 'visible', GObject.BindingFlags.SYNC_CREATE);
this._trackerItem.connect('notify::label', Lang.bind(this, this._updateLabel));
this._trackerItem.connect('notify::sensitive', Lang.bind(this, this._updateSensitivity));
this._trackerItem.connect('notify::role', Lang.bind(this, this._updateRole));
this._trackerItem.connect('notify::toggled', Lang.bind(this, this._updateDecoration));
this._updateLabel();
this._updateSensitivity();
this._updateRole();
this.menuItem.connect('destroy', function() {
trackerItem.run_dispose();
});
},
_updateLabel: function() {
this._label.text = stripMnemonics(this._trackerItem.label);
},
_updateSensitivity: function() {
this.menuItem.setSensitive(this._trackerItem.sensitive);
},
_updateDecoration: function() {
let ornamentForRole = {};
ornamentForRole[ShellMenu.MenuTrackerItemRole.RADIO] = PopupMenu.Ornament.DOT;
ornamentForRole[ShellMenu.MenuTrackerItemRole.CHECK] = PopupMenu.Ornament.CHECK;
let ornament = PopupMenu.Ornament.NONE;
if (this._trackerItem.toggled)
ornament = ornamentForRole[this._trackerItem.role];
this.menuItem.setOrnament(ornament);
},
_updateRole: function() {
let a11yRoles = {};
a11yRoles[ShellMenu.MenuTrackerItemRole.NORMAL] = Atk.Role.MENU_ITEM;
a11yRoles[ShellMenu.MenuTrackerItemRole.RADIO] = Atk.Role.RADIO_MENU_ITEM;
a11yRoles[ShellMenu.MenuTrackerItemRole.CHECK] = Atk.Role.CHECK_MENU_ITEM;
let a11yRole = a11yRoles[this._trackerItem.role];
this.menuItem.actor.accessible_role = a11yRole;
this._updateDecoration();
},
});
const RemoteMenu = new Lang.Class({
Name: 'RemoteMenu',
Extends: PopupMenu.PopupMenu,
_init: function(sourceActor, model, actionGroup) {
this.parent(sourceActor, 0.0, St.Side.TOP);
this._model = model;
this._actionGroup = actionGroup;
this._tracker = Shell.MenuTracker.new(this._actionGroup,
this._model,
null, /* action namespace */
_insertItem.bind(null, this),
_removeItem.bind(null, this));
},
destroy: function() {
this._tracker.destroy();
this.parent();
},
});