0a9226f7f2
ShellAppMonitor now depends on gmenu to load menus. Use the menu data from ShellAppMonitor to show a menu list. GenericDisplay implementations can now have a sidebar area. We handle keystrokes such as left/right explicitly. Some internal API changes to account for the fact that a display can have another filter in addition to the search.
461 lines
16 KiB
JavaScript
461 lines
16 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
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const Big = imports.gi.Big;
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const Clutter = imports.gi.Clutter;
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const Pango = imports.gi.Pango;
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const Gio = imports.gi.Gio;
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const Gtk = imports.gi.Gtk;
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const Gdk = imports.gi.Gdk;
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const Shell = imports.gi.Shell;
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const Lang = imports.lang;
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const Signals = imports.signals;
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const GenericDisplay = imports.ui.genericDisplay;
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const GtkUtil = imports.ui.gtkutil;
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const ENTERED_MENU_COLOR = new Clutter.Color();
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ENTERED_MENU_COLOR.from_pixel(0x00ff0022);
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const MENU_ICON_SIZE = 24;
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const MENU_SPACING = 15;
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// TODO - move this into GConf once we're not a plugin anymore
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// but have taken over metacity
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// This list is taken from GNOME Online popular applications
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// http://online.gnome.org/applications
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// but with nautilus removed (since it should already be running)
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// and evince, totem, and gnome-file-roller removed (since they're
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// usually started by opening documents, not by opening the app
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// directly)
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const DEFAULT_APPLICATIONS = [
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'mozilla-firefox.desktop',
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'gnome-terminal.desktop',
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'evolution.desktop',
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'gedit.desktop',
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'mozilla-thunderbird.desktop',
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'rhythmbox.desktop',
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'epiphany.desktop',
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'xchat.desktop',
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'openoffice.org-1.9-writer.desktop',
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'emacs.desktop',
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'gnome-system-monitor.desktop',
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'openoffice.org-1.9-calc.desktop',
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'eclipse.desktop',
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'openoffice.org-1.9-impress.desktop',
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'vncviewer.desktop'
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];
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/* This class represents a single display item containing information about an application.
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*
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* appInfo - GAppInfo object containing information about the application
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* availableWidth - total width available for the item
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*/
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function AppDisplayItem(appInfo, availableWidth) {
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this._init(appInfo, availableWidth);
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}
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AppDisplayItem.prototype = {
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__proto__: GenericDisplay.GenericDisplayItem.prototype,
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_init : function(appInfo, availableWidth) {
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GenericDisplay.GenericDisplayItem.prototype._init.call(this, availableWidth);
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this._appInfo = appInfo;
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let name = appInfo.get_name();
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let description = appInfo.get_description();
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let iconTheme = Gtk.IconTheme.get_default();
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let gicon = appInfo.get_icon();
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let icon = GtkUtil.loadIconToTexture(gicon, GenericDisplay.ITEM_DISPLAY_ICON_SIZE, true);
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this._setItemInfo(name, description, icon);
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},
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//// Public methods ////
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// Returns the application info associated with this display item.
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getAppInfo : function () {
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return this._appInfo;
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},
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//// Public method overrides ////
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// Opens an application represented by this display item.
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launch : function() {
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let global = Shell.Global.get();
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let screen = global.screen;
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let display = screen.get_display();
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let timestamp = display.get_current_time();
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let context = new Gdk.AppLaunchContext();
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let icon = this._appInfo.get_icon();
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context.set_icon(icon);
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context.set_timestamp(timestamp);
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this._appInfo.launch([], context);
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},
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//// Protected method overrides ////
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// Ensures the preview icon is created.
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_ensurePreviewIconCreated : function() {
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if (!this._showPreview || this._previewIcon)
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return;
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let previewIconPath = null;
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if (this._gicon != null) {
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let iconTheme = Gtk.IconTheme.get_default();
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let previewIconInfo = iconTheme.lookup_by_gicon(this._gicon, GenericDisplay.PREVIEW_ICON_SIZE, Gtk.IconLookupFlags.NO_SVG);
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if (previewIconInfo)
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previewIconPath = previewIconInfo.get_filename();
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}
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if (previewIconPath) {
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try {
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this._previewIcon = new Clutter.Texture({ width: GenericDisplay.PREVIEW_ICON_SIZE, height: GenericDisplay.PREVIEW_ICON_SIZE});
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this._previewIcon.set_from_file(previewIconPath);
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} catch (e) {
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// we can get an error here if the file path doesn't exist on the system
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log('Error loading AppDisplayItem preview icon ' + e);
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}
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}
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}
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};
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const MENU_UNSELECTED = 0;
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const MENU_SELECTED = 1;
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const MENU_ENTERED = 2;
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function MenuItem(name, id, icon_name) {
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this._init(name, id, icon_name);
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}
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/**
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* MenuItem:
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* Shows the list of menus in the sidebar.
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*/
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MenuItem.prototype = {
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_init: function(name, id, icon_name) {
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this.id = id;
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this.actor = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL,
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spacing: 4,
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corner_radius: 4,
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padding_right: 4,
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reactive: true });
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this.actor.connect('button-press-event', Lang.bind(this, function (a, e) {
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this.setState(MENU_SELECTED);
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}));
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let iconTheme = Gtk.IconTheme.get_default();
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let pixbuf = null;
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this._icon = new Clutter.Texture({ width: MENU_ICON_SIZE,
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height: MENU_ICON_SIZE });
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// Wine manages not to have an icon
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try {
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pixbuf = iconTheme.load_icon(icon_name, MENU_ICON_SIZE, 0 /* flags */);
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} catch (e) {
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pixbuf = iconTheme.load_icon('gtk-file', MENU_ICON_SIZE, 0);
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}
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if (pixbuf != null)
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Shell.clutter_texture_set_from_pixbuf(this._icon, pixbuf);
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this.actor.append(this._icon, 0);
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this._text = new Clutter.Text({ color: GenericDisplay.ITEM_DISPLAY_NAME_COLOR,
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font_name: "Sans 14px",
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ellipsize: Pango.EllipsizeMode.END,
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text: name });
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this.actor.append(this._text, Big.BoxPackFlags.EXPAND);
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let box = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL,
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y_align: Big.BoxAlignment.CENTER
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});
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this._arrow = new Shell.Arrow({ surface_width: MENU_ICON_SIZE/2,
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surface_height: MENU_ICON_SIZE/2,
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direction: Gtk.ArrowType.RIGHT,
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opacity: 0
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});
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box.append(this._arrow, 0);
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this.actor.append(box, 0);
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},
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getState: function() {
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return this._state;
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},
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setState: function (state) {
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if (state == this._state)
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return;
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this._state = state;
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if (this._state == MENU_UNSELECTED) {
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this.actor.background_color = null;
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this._arrow.set_opacity(0);
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} else if (this._state == MENU_ENTERED) {
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this.actor.background_color = ENTERED_MENU_COLOR;
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this._arrow.set_opacity(0xFF/2);
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} else {
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this.actor.background_color = GenericDisplay.ITEM_DISPLAY_SELECTED_BACKGROUND_COLOR;
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this._arrow.set_opacity(0xFF);
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}
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this.emit('state-changed')
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}
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}
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Signals.addSignalMethods(MenuItem.prototype);
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/* This class represents a display containing a collection of application items.
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* The applications are sorted based on their popularity by default, and based on
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* their name if some search filter is applied.
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*
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* width - width available for the display
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* height - height available for the display
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*/
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function AppDisplay(width, height, numberOfColumns, columnGap) {
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this._init(width, height, numberOfColumns, columnGap);
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}
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AppDisplay.prototype = {
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__proto__: GenericDisplay.GenericDisplay.prototype,
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_init : function(width, height, numberOfColumns, columnGap) {
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GenericDisplay.GenericDisplay.prototype._init.call(this, width, height, numberOfColumns, columnGap);
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this._menus = [];
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this._menuDisplays = [];
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// map<itemId, array of category names>
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this._appCategories = {};
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let me = this;
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this._appMonitor = new Shell.AppMonitor();
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this._appsStale = true;
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this._appMonitor.connect('changed', function(mon) {
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me._appsStale = true;
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// We still need to determine what events other than search can trigger
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// a change in the set of applications that are being shown while the
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// user in in the overlay mode, however let's redisplay just in case.
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me._redisplay(false);
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me._redisplayMenus();
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});
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// Load the GAppInfos now so it doesn't slow down the first
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// transition into the overlay
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this._refreshCache();
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this._focusInMenus = true;
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this._activeMenuIndex = -1;
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this._activeMenu = null;
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this._activeMenuApps = null;
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this._menuDisplay = new Big.Box({ orientation: Big.BoxOrientation.VERTICAL,
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spacing: MENU_SPACING
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});
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this._redisplayMenus();
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this.connect('expanded', Lang.bind(this, function (self) {
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this._filterReset();
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}));
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},
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moveRight: function() {
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if (this._expanded && this._focusInMenu) {
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this._focusInMenu = false;
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this._activeMenu.setState(MENU_ENTERED);
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this.selectFirstItem();
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}
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},
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moveLeft: function() {
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if (this._expanded && !this._focusInMenu) {
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this._activeMenu.setState(MENU_SELECTED);
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this.unsetSelected();
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this._focusInMenu = true;
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}
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},
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// Override genericDisplay.js
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getSideArea: function() {
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return this._menuDisplay;
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},
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selectUp: function() {
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if (!(this._expanded && this._focusInMenu))
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return GenericDisplay.GenericDisplay.prototype.selectUp.call(this);
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this._selectMenuIndex(this._activeMenuIndex - 1);
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return true;
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},
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selectDown: function() {
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if (!(this._expanded && this._focusInMenu))
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return GenericDisplay.GenericDisplay.prototype.selectDown.call(this);
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this._selectMenuIndex(this._activeMenuIndex+1);
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return true;
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},
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// Protected overrides
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_filterActive: function() {
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return !!this._search || this._activeMenuIndex >= 0;
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},
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_filterReset: function() {
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GenericDisplay.GenericDisplay.prototype._filterReset.call(this);
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if (this._activeMenu != null)
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this._activeMenu.setState(MENU_UNSELECTED);
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this._activeMenuIndex = -1;
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this._activeMenu = null;
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this._focusInMenu = true;
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},
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//// Private ////
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_emitStateChange: function() {
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this.emit('state-changed');
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},
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_selectMenuIndex: function(index) {
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if (index < 0 || index >= this._menus.length)
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return;
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if (this._activeMenu != null)
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this._activeMenu.setState(MENU_UNSELECTED);
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this._activeMenu = this._menuDisplays[index];
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this._activeMenu.setState(MENU_SELECTED);
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},
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_redisplayMenus: function() {
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this._menuDisplay.remove_all();
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for (let i = 0; i < this._menus.length; i++) {
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let menu = this._menus[i];
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let display = new MenuItem(menu.name, menu.id, menu.icon);
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this._menuDisplays.push(display);
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let menuIndex = i;
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display.connect('state-changed', Lang.bind(this, function (display) {
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let activated = display.getState() != MENU_UNSELECTED;
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if (!activated && display == this._activeMenu) {
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this._activeMenuIndex = -1;
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this._activeMenu = null;
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} else if (activated) {
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if (this._activeMenu != null)
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this._activeMenu.setState(MENU_SELECTED);
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this._activeMenuIndex = menuIndex;
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this._activeMenu = display;
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this._activeMenuApps = this._appMonitor.get_applications_for_menu(menu.id);
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}
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this._redisplay();
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}));
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this._menuDisplay.append(display.actor, 0);
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}
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},
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//// Protected method overrides ////
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// Gets information about all applications by calling Gio.app_info_get_all().
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_refreshCache : function() {
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let me = this;
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if (!this._appsStale)
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return;
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this._allItems = {};
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this._appCategories = {};
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this._menus = this._appMonitor.get_menus();
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let apps = Gio.app_info_get_all();
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for (let i = 0; i < apps.length; i++) {
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let appInfo = apps[i];
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if (!appInfo.should_show())
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continue;
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let appId = appInfo.get_id();
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this._allItems[appId] = appInfo;
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// [] is returned if we could not get the categories or the list of categories was empty
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let categories = Shell.get_categories_for_desktop_file(appId);
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this._appCategories[appId] = categories;
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}
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this._appsStale = false;
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},
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// Sets the list of the displayed items based on the list of DEFAULT_APPLICATIONS.
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_setDefaultList : function() {
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this._matchedItems = [];
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for (let i = 0; i < DEFAULT_APPLICATIONS.length; i++) {
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let appId = DEFAULT_APPLICATIONS[i];
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let appInfo = this._allItems[appId];
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if (appInfo) {
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this._matchedItems.push(appId);
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}
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}
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},
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// Compares items associated with the item ids based on the alphabetical order
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// of the item names.
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// Returns an integer value indicating the result of the comparison.
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_compareItems : function(itemIdA, itemIdB) {
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let appA = this._allItems[itemIdA];
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let appB = this._allItems[itemIdB];
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return appA.get_name().localeCompare(appB.get_name());
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},
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// Checks if the item info can be a match for the search string by checking
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// the name, description, execution command, and categories for the application.
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// Item info is expected to be GAppInfo.
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// Returns a boolean flag indicating if itemInfo is a match.
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_isInfoMatching : function(itemInfo, search) {
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// Search takes precedence; not typically useful to search within a
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// menu
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if (this._activeMenu == null || search != "")
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return this._isInfoMatchingSearch(itemInfo, search);
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else
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return this._isInfoMatchingMenu(itemInfo, search);
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},
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_isInfoMatchingMenu : function(itemInfo, search) {
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let id = itemInfo.get_id();
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for (let i = 0; i < this._activeMenuApps.length; i++) {
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let activeId = this._activeMenuApps[i];
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if (activeId == id)
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return true;
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}
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return false;
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},
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_isInfoMatchingSearch: function(itemInfo, search) {
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if (search == null || search == '')
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return true;
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let name = itemInfo.get_name().toLowerCase();
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if (name.indexOf(search) >= 0)
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return true;
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let description = itemInfo.get_description();
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if (description) {
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description = description.toLowerCase();
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if (description.indexOf(search) >= 0)
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return true;
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}
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if (itemInfo.get_executable() == null) {
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log("Missing an executable for " + itemInfo.get_name());
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} else {
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let exec = itemInfo.get_executable().toLowerCase();
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if (exec.indexOf(search) >= 0)
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return true;
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}
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// we expect this._appCategories.hasOwnProperty(itemInfo.get_id()) to always be true here
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let categories = this._appCategories[itemInfo.get_id()];
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for (let i = 0; i < categories.length; i++) {
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let category = categories[i].toLowerCase();
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if (category.indexOf(search) >= 0)
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return true;
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}
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return false;
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},
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// Creates an AppDisplayItem based on itemInfo, which is expected be a GAppInfo object.
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_createDisplayItem: function(itemInfo) {
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return new AppDisplayItem(itemInfo, this._columnWidth);
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}
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};
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Signals.addSignalMethods(AppDisplay.prototype);
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