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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
//
// A widget showing the user avatar and name
/* exported UserWidget */
const { Clutter, GLib, GObject, St } = imports.gi;
const Params = imports.misc.params;
var 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.
var Avatar = GObject.registerClass(
class Avatar extends St.Bin {
_init(user, params) {
let themeContext = St.ThemeContext.get_for_stage(global.stage);
params = Params.parse(params, {
styleClass: 'user-icon',
reactive: false,
iconSize: AVATAR_ICON_SIZE,
});
super._init({
style_class: params.styleClass,
reactive: params.reactive,
width: params.iconSize * themeContext.scaleFactor,
height: params.iconSize * themeContext.scaleFactor,
});
this._iconSize = params.iconSize;
this._user = user;
this.bind_property('reactive', this, 'track-hover',
GObject.BindingFlags.SYNC_CREATE);
this.bind_property('reactive', this, 'can-focus',
GObject.BindingFlags.SYNC_CREATE);
// Monitor the scaling factor to make sure we recreate the avatar when needed.
themeContext.connectObject('notify::scale-factor', this.update.bind(this), this);
}
vfunc_style_changed() {
super.vfunc_style_changed();
let node = this.get_theme_node();
let [found, iconSize] = node.lookup_length('icon-size', false);
if (!found)
return;
let themeContext = St.ThemeContext.get_for_stage(global.stage);
// node.lookup_length() returns a scaled value, but we
// need unscaled
this._iconSize = iconSize / themeContext.scaleFactor;
this.update();
}
setSensitive(sensitive) {
this.reactive = sensitive;
}
update() {
let iconFile = null;
if (this._user) {
iconFile = this._user.get_icon_file();
if (iconFile && !GLib.file_test(iconFile, GLib.FileTest.EXISTS))
iconFile = null;
}
let { scaleFactor } = St.ThemeContext.get_for_stage(global.stage);
this.set_size(
this._iconSize * scaleFactor,
this._iconSize * scaleFactor);
if (iconFile) {
this.child = null;
this.add_style_class_name('user-avatar');
this.style = `
background-image: url("${iconFile}");
background-size: cover;`;
} else {
this.style = null;
this.child = new St.Icon({
icon_name: 'avatar-default-symbolic',
icon_size: this._iconSize,
});
}
}
});
var UserWidgetLabel = GObject.registerClass(
class UserWidgetLabel extends St.Widget {
_init(user) {
super._init({ 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._user.connectObject(
'notify::is-loaded', this._updateUser.bind(this),
'changed', this._updateUser.bind(this), this);
this._updateUser();
}
vfunc_allocate(box) {
this.set_allocation(box);
let availWidth = box.x2 - box.x1;
let availHeight = box.y2 - box.y1;
let [, , natRealNameWidth] = this._realNameLabel.get_preferred_size();
let childBox = new Clutter.ActorBox();
let hiddenLabel;
if (natRealNameWidth <= availWidth) {
this._currentLabel = this._realNameLabel;
hiddenLabel = this._userNameLabel;
} else {
this._currentLabel = this._userNameLabel;
hiddenLabel = this._realNameLabel;
}
this.label_actor = this._currentLabel;
hiddenLabel.allocate(childBox);
childBox.set_size(availWidth, availHeight);
this._currentLabel.allocate(childBox);
}
vfunc_paint(paintContext) {
this._currentLabel.paint(paintContext);
}
_updateUser() {
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 = '';
}
}
});
var UserWidget = GObject.registerClass(
class UserWidget extends St.BoxLayout {
_init(user, orientation = Clutter.Orientation.HORIZONTAL) {
// If user is null, that implies a username-based login authorization.
this._user = user;
let vertical = orientation == Clutter.Orientation.VERTICAL;
let xAlign = vertical ? Clutter.ActorAlign.CENTER : Clutter.ActorAlign.START;
let styleClass = vertical ? 'user-widget vertical' : 'user-widget horizontal';
super._init({
styleClass,
vertical,
xAlign,
});
this._avatar = new Avatar(user);
this._avatar.x_align = Clutter.ActorAlign.CENTER;
this.add_child(this._avatar);
this._userLoadedId = 0;
this._userChangedId = 0;
if (user) {
this._label = new UserWidgetLabel(user);
this.add_child(this._label);
this._label.bind_property('label-actor', this, 'label-actor',
GObject.BindingFlags.SYNC_CREATE);
this._user.connectObject(
'notify::is-loaded', this._updateUser.bind(this),
'changed', this._updateUser.bind(this), this);
} else {
this._label = new St.Label({
style_class: 'user-widget-label',
text: 'Empty User',
opacity: 0,
});
this.add_child(this._label);
}
this._updateUser();
}
_updateUser() {
this._avatar.update();
}
});
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