// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- const Clutter = imports.gi.Clutter; const Gio = imports.gi.Gio; const GLib = imports.gi.GLib; const Lang = imports.lang; const Mainloop = imports.mainloop; const St = imports.gi.St; const PanelMenu = imports.ui.panelMenu; const PopupMenu = imports.ui.popupMenu; const A11Y_SCHEMA = 'org.gnome.desktop.a11y'; const KEY_ALWAYS_SHOW = 'always-show-universal-access-status'; const A11Y_KEYBOARD_SCHEMA = 'org.gnome.desktop.a11y.keyboard'; const KEY_STICKY_KEYS_ENABLED = 'stickykeys-enable'; const KEY_BOUNCE_KEYS_ENABLED = 'bouncekeys-enable'; const KEY_SLOW_KEYS_ENABLED = 'slowkeys-enable'; const KEY_MOUSE_KEYS_ENABLED = 'mousekeys-enable'; const APPLICATIONS_SCHEMA = 'org.gnome.desktop.a11y.applications'; var DPI_FACTOR_LARGE = 1.25; const WM_SCHEMA = 'org.gnome.desktop.wm.preferences'; const KEY_VISUAL_BELL = 'visual-bell'; const DESKTOP_INTERFACE_SCHEMA = 'org.gnome.desktop.interface'; const KEY_GTK_THEME = 'gtk-theme'; const KEY_ICON_THEME = 'icon-theme'; const KEY_WM_THEME = 'theme'; const KEY_TEXT_SCALING_FACTOR = 'text-scaling-factor'; const HIGH_CONTRAST_THEME = 'HighContrast'; var ATIndicator = new Lang.Class({ Name: 'ATIndicator', Extends: PanelMenu.Button, _init: function() { this.parent(0.0, _("Accessibility")); this._hbox = new St.BoxLayout({ style_class: 'panel-status-menu-box' }); this._hbox.add_child(new St.Icon({ style_class: 'system-status-icon', icon_name: 'preferences-desktop-accessibility-symbolic' })); this._hbox.add_child(PopupMenu.arrowIcon(St.Side.BOTTOM)); this.actor.add_child(this._hbox); this._a11ySettings = new Gio.Settings({ schema_id: A11Y_SCHEMA }); this._a11ySettings.connect('changed::' + KEY_ALWAYS_SHOW, Lang.bind(this, this._queueSyncMenuVisibility)); let highContrast = this._buildHCItem(); this.menu.addMenuItem(highContrast); let magnifier = this._buildItem(_("Zoom"), APPLICATIONS_SCHEMA, 'screen-magnifier-enabled'); this.menu.addMenuItem(magnifier); let textZoom = this._buildFontItem(); this.menu.addMenuItem(textZoom); let screenReader = this._buildItem(_("Screen Reader"), APPLICATIONS_SCHEMA, 'screen-reader-enabled'); this.menu.addMenuItem(screenReader); let screenKeyboard = this._buildItem(_("Screen Keyboard"), APPLICATIONS_SCHEMA, 'screen-keyboard-enabled'); this.menu.addMenuItem(screenKeyboard); let visualBell = this._buildItem(_("Visual Alerts"), WM_SCHEMA, KEY_VISUAL_BELL); this.menu.addMenuItem(visualBell); let stickyKeys = this._buildItem(_("Sticky Keys"), A11Y_KEYBOARD_SCHEMA, KEY_STICKY_KEYS_ENABLED); this.menu.addMenuItem(stickyKeys); let slowKeys = this._buildItem(_("Slow Keys"), A11Y_KEYBOARD_SCHEMA, KEY_SLOW_KEYS_ENABLED); this.menu.addMenuItem(slowKeys); let bounceKeys = this._buildItem(_("Bounce Keys"), A11Y_KEYBOARD_SCHEMA, KEY_BOUNCE_KEYS_ENABLED); this.menu.addMenuItem(bounceKeys); let mouseKeys = this._buildItem(_("Mouse Keys"), A11Y_KEYBOARD_SCHEMA, KEY_MOUSE_KEYS_ENABLED); this.menu.addMenuItem(mouseKeys); this._syncMenuVisibility(); }, _syncMenuVisibility: function() { this._syncMenuVisibilityIdle = 0; let alwaysShow = this._a11ySettings.get_boolean(KEY_ALWAYS_SHOW); let items = this.menu._getMenuItems(); this.actor.visible = alwaysShow || items.some(function(f) { return !!f.state; }); return GLib.SOURCE_REMOVE; }, _queueSyncMenuVisibility: function() { if (this._syncMenuVisibilityIdle) return; this._syncMenuVisibilityIdle = Mainloop.idle_add(Lang.bind(this, this._syncMenuVisibility)); GLib.Source.set_name_by_id(this._syncMenuVisibilityIdle, '[gnome-shell] this._syncMenuVisibility'); }, _buildItemExtended: function(string, initial_value, writable, on_set) { let widget = new PopupMenu.PopupSwitchMenuItem(string, initial_value); if (!writable) widget.actor.reactive = false; else widget.connect('toggled', function(item) { on_set(item.state); }); return widget; }, _buildItem: function(string, schema, key) { let settings = new Gio.Settings({ schema_id: schema }); settings.connect('changed::'+key, Lang.bind(this, function() { widget.setToggleState(settings.get_boolean(key)); this._queueSyncMenuVisibility(); })); let widget = this._buildItemExtended(string, settings.get_boolean(key), settings.is_writable(key), function(enabled) { return settings.set_boolean(key, enabled); }); return widget; }, _buildHCItem: function() { let interfaceSettings = new Gio.Settings({ schema_id: DESKTOP_INTERFACE_SCHEMA }); let wmSettings = new Gio.Settings({ schema_id: WM_SCHEMA }); interfaceSettings.connect('changed::' + KEY_GTK_THEME, Lang.bind(this, function() { let value = interfaceSettings.get_string(KEY_GTK_THEME); if (value == HIGH_CONTRAST_THEME) { highContrast.setToggleState(true); } else { highContrast.setToggleState(false); gtkTheme = value; } this._queueSyncMenuVisibility(); })); interfaceSettings.connect('changed::' + KEY_ICON_THEME, function() { let value = interfaceSettings.get_string(KEY_ICON_THEME); if (value != HIGH_CONTRAST_THEME) iconTheme = value; }); wmSettings.connect('changed::' + KEY_WM_THEME, function() { let value = wmSettings.get_string(KEY_WM_THEME); if (value != HIGH_CONTRAST_THEME) wmTheme = value; }); let gtkTheme = interfaceSettings.get_string(KEY_GTK_THEME); let iconTheme = interfaceSettings.get_string(KEY_ICON_THEME); let wmTheme = wmSettings.get_string(KEY_WM_THEME); let hasHC = (gtkTheme == HIGH_CONTRAST_THEME); let highContrast = this._buildItemExtended( _("High Contrast"), hasHC, interfaceSettings.is_writable(KEY_GTK_THEME) && interfaceSettings.is_writable(KEY_ICON_THEME) && wmSettings.is_writable(KEY_WM_THEME), function (enabled) { if (enabled) { interfaceSettings.set_string(KEY_GTK_THEME, HIGH_CONTRAST_THEME); interfaceSettings.set_string(KEY_ICON_THEME, HIGH_CONTRAST_THEME); wmSettings.set_string(KEY_WM_THEME, HIGH_CONTRAST_THEME); } else if(!hasHC) { interfaceSettings.set_string(KEY_GTK_THEME, gtkTheme); interfaceSettings.set_string(KEY_ICON_THEME, iconTheme); wmSettings.set_string(KEY_WM_THEME, wmTheme); } else { interfaceSettings.reset(KEY_GTK_THEME); interfaceSettings.reset(KEY_ICON_THEME); wmSettings.reset(KEY_WM_THEME); } }); return highContrast; }, _buildFontItem: function() { let settings = new Gio.Settings({ schema_id: DESKTOP_INTERFACE_SCHEMA }); settings.connect('changed::' + KEY_TEXT_SCALING_FACTOR, Lang.bind(this, function() { let factor = settings.get_double(KEY_TEXT_SCALING_FACTOR); let active = (factor > 1.0); widget.setToggleState(active); this._queueSyncMenuVisibility(); })); let factor = settings.get_double(KEY_TEXT_SCALING_FACTOR); let initial_setting = (factor > 1.0); let widget = this._buildItemExtended(_("Large Text"), initial_setting, settings.is_writable(KEY_TEXT_SCALING_FACTOR), function (enabled) { if (enabled) settings.set_double(KEY_TEXT_SCALING_FACTOR, DPI_FACTOR_LARGE); else settings.reset(KEY_TEXT_SCALING_FACTOR); }); return widget; } });