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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
//
// A widget showing the user avatar and name
const Clutter = imports.gi.Clutter;
const AccountsService = imports.gi.AccountsService;
const GLib = imports.gi.GLib;
const Gio = imports.gi.Gio;
const GObject = imports.gi.GObject;
const Lang = imports.lang;
const St = imports.gi.St;
const Params = imports.misc.params;
const AVATAR_ICON_SIZE = 64;
// Adapted from gdm/gui/user-switch-applet/applet.c
//
// Copyright (C) 2004-2005 James M. Cape <jcape@ignore-your.tv>.
// Copyright (C) 2008,2009 Red Hat, Inc.
const Avatar = new Lang.Class({
Name: 'Avatar',
_init: function(user, params) {
this._user = user;
params = Params.parse(params, { reactive: false,
iconSize: AVATAR_ICON_SIZE,
styleClass: 'framed-user-icon' });
this._iconSize = params.iconSize;
let scaleFactor = St.ThemeContext.get_for_stage(global.stage).scale_factor;
this.actor = new St.Bin({ style_class: params.styleClass,
track_hover: params.reactive,
reactive: params.reactive,
width: this._iconSize * scaleFactor,
height: this._iconSize * scaleFactor });
},
setSensitive: function(sensitive) {
this.actor.can_focus = sensitive;
this.actor.reactive = sensitive;
},
update: function() {
let iconFile = this._user.get_icon_file();
if (iconFile && !GLib.file_test(iconFile, GLib.FileTest.EXISTS))
iconFile = null;
if (iconFile) {
let file = Gio.File.new_for_path(iconFile);
this.actor.child = null;
this.actor.style = 'background-image: url("%s");'.format(iconFile);
} else {
this.actor.style = null;
this.actor.child = new St.Icon({ icon_name: 'avatar-default-symbolic',
icon_size: this._iconSize });
}
}
});
const UserWidgetLabel = new Lang.Class({
Name: 'UserWidgetLabel',
Extends: St.Widget,
_init: function(user) {
this.parent({ layout_manager: new Clutter.BinLayout() });
this._user = user;
this._realNameLabel = new St.Label({ style_class: 'user-widget-label',
y_align: Clutter.ActorAlign.CENTER });
this.add_child(this._realNameLabel);
this._userNameLabel = new St.Label({ style_class: 'user-widget-label',
y_align: Clutter.ActorAlign.CENTER });
this.add_child(this._userNameLabel);
this._currentLabel = null;
this._userLoadedId = this._user.connect('notify::is-loaded', Lang.bind(this, this._updateUser));
this._userChangedId = this._user.connect('changed', Lang.bind(this, this._updateUser));
this._updateUser();
// We can't override the destroy vfunc because that might be called during
// object finalization, and we can't call any JS inside a GC finalize callback,
// so we use a signal, that will be disconnected by GObject the first time
// the actor is destroyed (which is guaranteed to be as part of a normal
// destroy() call from JS, possibly from some ancestor)
this.connect('destroy', Lang.bind(this, this._onDestroy));
},
_onDestroy: function() {
if (this._userLoadedId != 0) {
this._user.disconnect(this._userLoadedId);
this._userLoadedId = 0;
}
if (this._userChangedId != 0) {
this._user.disconnect(this._userChangedId);
this._userChangedId = 0;
}
},
vfunc_allocate: function(box, flags) {
this.set_allocation(box, flags);
let availWidth = box.x2 - box.x1;
let availHeight = box.y2 - box.y1;
let [minRealNameWidth, minRealNameHeight,
natRealNameWidth, natRealNameHeight] = this._realNameLabel.get_preferred_size();
let [minUserNameWidth, minUserNameHeight,
natUserNameWidth, natUserNameHeight] = this._userNameLabel.get_preferred_size();
if (natRealNameWidth <= availWidth)
this._currentLabel = this._realNameLabel;
else
this._currentLabel = this._userNameLabel;
this.label_actor = this._currentLabel;
let childBox = new Clutter.ActorBox();
childBox.x1 = 0;
childBox.y1 = 0;
childBox.x2 = availWidth;
childBox.y2 = availHeight;
this._currentLabel.allocate(childBox, flags);
},
vfunc_paint: function() {
this._currentLabel.paint();
},
_updateUser: function() {
if (this._user.is_loaded) {
this._realNameLabel.text = this._user.get_real_name();
this._userNameLabel.text = this._user.get_user_name();
} else {
this._realNameLabel.text = '';
this._userNameLabel.text = '';
}
},
});
const UserWidget = new Lang.Class({
Name: 'UserWidget',
_init: function(user) {
this._user = user;
this.actor = new St.BoxLayout({ style_class: 'user-widget',
vertical: false });
this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
this._avatar = new Avatar(user);
this.actor.add_child(this._avatar.actor);
this._label = new UserWidgetLabel(user);
this.actor.add_child(this._label);
this._label.bind_property('label-actor', this.actor, 'label-actor',
GObject.BindingFlags.SYNC_CREATE);
this._userLoadedId = this._user.connect('notify::is-loaded', Lang.bind(this, this._updateUser));
this._userChangedId = this._user.connect('changed', Lang.bind(this, this._updateUser));
this._updateUser();
},
_onDestroy: function() {
if (this._userLoadedId != 0) {
this._user.disconnect(this._userLoadedId);
this._userLoadedId = 0;
}
if (this._userChangedId != 0) {
this._user.disconnect(this._userChangedId);
this._userChangedId = 0;
}
},
_updateUser: function() {
this._avatar.update();
}
});
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