350 lines
11 KiB
JavaScript
350 lines
11 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
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const Signals = imports.signals;
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const Clutter = imports.gi.Clutter;
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const Gio = imports.gi.Gio;
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const Pango = imports.gi.Pango;
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const Gtk = imports.gi.Gtk;
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const Tidy = imports.gi.Tidy;
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const Big = imports.gi.Big;
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const Meta = imports.gi.Meta;
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const Shell = imports.gi.Shell;
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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
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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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'evince.desktop',
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'gedit.desktop',
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'mozilla-thunderbird.desktop',
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'totem.desktop',
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'gnome-file-roller.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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const APPDISPLAY_NAME_COLOR = new Clutter.Color();
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APPDISPLAY_NAME_COLOR.from_pixel(0xffffffff);
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const APPDISPLAY_COMMENT_COLOR = new Clutter.Color();
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APPDISPLAY_COMMENT_COLOR.from_pixel(0xffffffbb);
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const APPDISPLAY_BACKGROUND_COLOR = new Clutter.Color();
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APPDISPLAY_BACKGROUND_COLOR.from_pixel(0x000000ff);
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const APPDISPLAY_SELECTED_BACKGROUND_COLOR = new Clutter.Color();
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APPDISPLAY_SELECTED_BACKGROUND_COLOR.from_pixel(0x00ff0055);
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const APPDISPLAY_HEIGHT = 50;
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const APPDISPLAY_PADDING = 4;
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function AppDisplayItem(node, width) {
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this._init(node, width);
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}
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AppDisplayItem.prototype = {
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_init: function(appInfo, width) {
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let me = this;
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this._appInfo = appInfo;
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let name = appInfo.get_name();
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let iconTheme = Gtk.IconTheme.get_default();
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this._group = new Clutter.Group({reactive: true,
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width: width,
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height: APPDISPLAY_HEIGHT});
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this._group.connect('button-press-event', function(group, e) {
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me.emit('activate');
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return true;
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});
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this._bg = new Big.Box({ background_color: APPDISPLAY_BACKGROUND_COLOR,
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corner_radius: 4,
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x: 0, y: 0,
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width: width, height: APPDISPLAY_HEIGHT });
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this._group.add_actor(this._bg);
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this._icon = new Clutter.Texture({ width: 48, height: 48, x: 0, y: 0 });
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let gicon = appInfo.get_icon();
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let path = null;
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if (gicon != null) {
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let iconinfo = iconTheme.lookup_by_gicon(gicon, 48, Gtk.IconLookupFlags.NO_SVG);
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if (iconinfo)
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path = iconinfo.get_filename();
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}
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if (path)
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this._icon.set_from_file(path);
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this._group.add_actor(this._icon);
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let comment = appInfo.get_description();
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let text_width = width - (me._icon.width + 4);
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this._name = new Clutter.Label({ color: APPDISPLAY_NAME_COLOR,
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font_name: "Sans 14px",
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width: text_width,
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ellipsize: Pango.EllipsizeMode.END,
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text: name,
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x: this._icon.width + 4,
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y: 0});
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this._group.add_actor(this._name);
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this._comment = new Clutter.Label({ color: APPDISPLAY_COMMENT_COLOR,
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font_name: "Sans 12px",
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width: text_width,
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ellipsize: Pango.EllipsizeMode.END,
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text: comment,
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x: this._name.x,
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y: this._name.height + 4})
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this._group.add_actor(this._comment);
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this.actor = this._group;
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},
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launch: function() {
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this._appInfo.launch([], null);
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},
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appInfo: function () {
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return this._appInfo;
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},
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markSelected: function(isSelected) {
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let color;
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if (isSelected)
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color = APPDISPLAY_SELECTED_BACKGROUND_COLOR;
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else
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color = APPDISPLAY_BACKGROUND_COLOR;
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this._bg.background_color = color;
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}
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};
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Signals.addSignalMethods(AppDisplayItem.prototype);
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function AppDisplay(width, height) {
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this._init(width, height);
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}
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AppDisplay.prototype = {
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_init : function(width, height) {
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let me = this;
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let global = Shell.Global.get();
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this._search = '';
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this._width = width;
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this._height = height;
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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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});
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this._grid = new Tidy.Grid({width: width, height: height});
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this._appSet = {}; // Map<appId, appInfo>
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this._displayed = {}; // Map<appId, AppDisplay>
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this._selectedIndex = -1;
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this._maxItems = this._height / (APPDISPLAY_HEIGHT + APPDISPLAY_PADDING);
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this.actor = this._grid;
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},
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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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for (id in this._displayed)
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this._displayed[id].destroy();
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this._appSet = {};
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this._displayed = {};
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this._selectedIndex = -1;
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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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let appId = appInfo.get_id();
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this._appSet[appId] = appInfo;
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}
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this._appsStale = false;
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},
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_removeItem: function(appId) {
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let item = this._displayed[appId];
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let group = item.actor;
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group.destroy();
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delete this._displayed[appId];
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},
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_removeAll: function() {
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for (appId in this._displayed)
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this._removeItem(appId);
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},
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_setDefaultList: function() {
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this._removeAll();
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let added = 0;
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for (let i = 0; i < DEFAULT_APPLICATIONS.length && added < this._maxItems; i++) {
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let appId = DEFAULT_APPLICATIONS[i];
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let appInfo = this._appSet[appId];
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if (appInfo) {
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this._filterAdd(appId);
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added += 1;
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}
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}
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},
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_getNDisplayed: function() {
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// Is there a better way to do .size() ?
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let c = 0; for (i in this._displayed) { c += 1; };
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return c;
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},
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_filterAdd: function(appId) {
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let me = this;
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let appInfo = this._appSet[appId];
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let appDisplayItem = new AppDisplayItem(appInfo, this._width);
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appDisplayItem.connect('activate', function() {
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appDisplayItem.launch();
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me.emit('activated');
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});
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let group = appDisplayItem.actor;
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this._grid.add_actor(group);
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this._displayed[appId] = appDisplayItem;
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},
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_filterRemove: function(appId) {
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// In the future, do some sort of fade out or other effect here
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let item = this._displayed[appId];
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this._removeItem(item);
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},
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_appInfoMatches: function(appInfo, search) {
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if (search == null || search == '')
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return true;
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let name = appInfo.get_name().toLowerCase();
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if (name.indexOf(search) >= 0)
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return true;
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let description = appInfo.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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let exec = appInfo.get_executable().toLowerCase();
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if (exec.indexOf(search) >= 0)
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return true;
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return false;
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},
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_sortApps: function(appIds) {
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let me = this;
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return appIds.sort(function (a,b) {
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let appA = me._appSet[a];
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let appB = me._appSet[b];
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return appA.get_name().localeCompare(appB.get_name());
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});
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},
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_doSearchFilter: function() {
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this._removeAll();
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let matchedApps = [];
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for (appId in this._appSet) {
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if (matchedApps.length >= this._maxItems)
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break;
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if (this._displayed[appId])
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continue;
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let app = this._appSet[appId];
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if (this._appInfoMatches(app, this._search))
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matchedApps.push(appId);
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}
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this._sortApps(matchedApps);
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for (let i = 0; i < matchedApps.length; i++) {
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this._filterAdd(matchedApps[i]);
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}
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},
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_redisplay: function() {
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this._refreshCache();
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if (!this._search)
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this._setDefaultList();
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else
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this._doSearchFilter();
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},
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setSearch: function(text) {
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this._search = text.toLowerCase();
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this._redisplay();
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},
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_findDisplayedByIndex: function(index) {
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let displayedActors = this._grid.get_children();
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let actor = displayedActors[index];
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return this._findDisplayedByActor(actor);
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},
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_findDisplayedByActor: function(actor) {
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for (appId in this._displayed) {
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let item = this._displayed[appId];
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if (item.actor == actor) {
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return item;
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}
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}
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return null;
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},
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searchActivate: function() {
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if (this._selectedIndex != -1) {
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let selected = this._findDisplayedByIndex(this._selectedIndex);
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selected.launch();
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this.emit('activated');
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return;
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}
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let displayedActors = this._grid.get_children();
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if (displayedActors.length != 1)
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return;
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let selectedActor = displayedActors[0];
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let selectedMenuItem = this._findDisplayedByActor(selectedActor);
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selectedMenuItem.launch();
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this.emit('activated');
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},
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_selectIndex: function(index) {
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if (this._selectedIndex != -1) {
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let prev = this._findDisplayedByIndex(this._selectedIndex);
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prev.markSelected(false);
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}
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this._selectedIndex = index;
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let item = this._findDisplayedByIndex(index);
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item.markSelected(true);
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},
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selectUp: function() {
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let prev = this._selectedIndex-1;
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if (prev < 0)
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return;
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this._selectIndex(prev);
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},
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selectDown: function() {
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let next = this._selectedIndex+1;
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let nDisplayed = this._getNDisplayed();
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if (next >= nDisplayed)
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return;
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this._selectIndex(next);
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},
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show: function() {
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this._redisplay();
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this._grid.show();
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},
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hide: function() {
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this._grid.hide();
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}
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};
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Signals.addSignalMethods(AppDisplay.prototype);
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