/usr/share/gnome-shell/js/ui/osdWindow.js is in gnome-shell-common 3.10.4-0ubuntu5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 | // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Clutter = imports.gi.Clutter;
const St = imports.gi.St;
const Lang = imports.lang;
const Layout = imports.ui.layout;
const Main = imports.ui.main;
const Mainloop = imports.mainloop;
const Tweener = imports.ui.tweener;
const Meta = imports.gi.Meta;
const HIDE_TIMEOUT = 1500;
const FADE_TIME = 0.1;
const LEVEL_ANIMATION_TIME = 0.1;
const LevelBar = new Lang.Class({
Name: 'LevelBar',
_init: function() {
this._level = 0;
this.actor = new St.Bin({ style_class: 'level',
x_fill: true, y_fill: true });
this._bar = new St.DrawingArea();
this._bar.connect('repaint', Lang.bind(this, this._repaint));
this.actor.set_child(this._bar);
},
get level() {
return this._level;
},
set level(value) {
let newValue = Math.max(0, Math.min(value, 100));
if (newValue == this._level)
return;
this._level = newValue;
this._bar.queue_repaint();
},
_repaint: function() {
let cr = this._bar.get_context();
let node = this.actor.get_theme_node();
let radius = node.get_border_radius(0); // assume same radius for all corners
Clutter.cairo_set_source_color(cr, node.get_foreground_color());
let [w, h] = this._bar.get_surface_size();
w *= (this._level / 100.);
if (w == 0)
return;
cr.moveTo(radius, 0);
if (w >= radius)
cr.arc(w - radius, radius, radius, 1.5 * Math.PI, 2. * Math.PI);
else
cr.lineTo(w, 0);
if (w >= radius)
cr.arc(w - radius, h - radius, radius, 0, 0.5 * Math.PI);
else
cr.lineTo(w, h);
cr.arc(radius, h - radius, radius, 0.5 * Math.PI, Math.PI);
cr.arc(radius, radius, radius, Math.PI, 1.5 * Math.PI);
cr.fill();
}
});
const OsdWindow = new Lang.Class({
Name: 'OsdWindow',
_init: function() {
this._popupSize = 0;
this.actor = new St.Widget({ x_expand: true,
y_expand: true,
x_align: Clutter.ActorAlign.CENTER,
y_align: Clutter.ActorAlign.CENTER });
this.actor.add_constraint(new Layout.MonitorConstraint({ primary: true }));
this._box = new St.BoxLayout({ style_class: 'osd-window',
vertical: true });
this.actor.add_actor(this._box);
this._box.connect('style-changed', Lang.bind(this, this._onStyleChanged));
this._box.connect('notify::height', Lang.bind(this,
function() {
Meta.later_add(Meta.LaterType.BEFORE_REDRAW, Lang.bind(this,
function() {
this._box.width = this._box.height;
}));
}));
this._icon = new St.Icon();
this._box.add(this._icon, { expand: true });
this._label = new St.Label();
this._box.add(this._label);
this._level = new LevelBar();
this._box.add(this._level.actor);
this._hideTimeoutId = 0;
this._reset();
Main.layoutManager.connect('monitors-changed',
Lang.bind(this, this._monitorsChanged));
this._monitorsChanged();
Main.uiGroup.add_child(this.actor);
},
setIcon: function(icon) {
this._icon.gicon = icon;
},
setLabel: function(label) {
this._label.visible = (label != undefined);
if (label)
this._label.text = label;
},
setLevel: function(level) {
this._level.actor.visible = (level != undefined);
if (this.actor.visible)
Tweener.addTween(this._level,
{ level: level,
time: LEVEL_ANIMATION_TIME,
transition: 'easeOutQuad' });
else
this._level.level = level;
},
show: function() {
if (!this._icon.gicon)
return;
if (!this.actor.visible) {
Meta.disable_unredirect_for_screen(global.screen);
this.actor.show();
this.actor.opacity = 0;
this.actor.get_parent().set_child_above_sibling(this.actor, null);
Tweener.addTween(this.actor,
{ opacity: 255,
time: FADE_TIME,
transition: 'easeOutQuad' });
}
if (this._hideTimeoutId)
Mainloop.source_remove(this._hideTimeoutId);
this._hideTimeoutId = Mainloop.timeout_add(HIDE_TIMEOUT,
Lang.bind(this, this._hide));
},
cancel: function() {
if (!this._hideTimeoutId)
return;
Mainloop.source_remove(this._hideTimeoutId);
this._hide();
},
_hide: function() {
this._hideTimeoutId = 0;
Tweener.addTween(this.actor,
{ opacity: 0,
time: FADE_TIME,
transition: 'easeOutQuad',
onComplete: Lang.bind(this, function() {
this._reset();
Meta.enable_unredirect_for_screen(global.screen);
})
});
},
_reset: function() {
this.actor.hide();
this.setLabel(null);
this.setLevel(null);
},
_monitorsChanged: function() {
/* assume 110x110 on a 640x480 display and scale from there */
let monitor = Main.layoutManager.primaryMonitor;
let scalew = monitor.width / 640.0;
let scaleh = monitor.height / 480.0;
let scale = Math.min(scalew, scaleh);
this._popupSize = 110 * Math.max(1, scale);
this._box.translation_y = monitor.height / 4;
this._icon.icon_size = this._popupSize / 2;
this._box.style_changed();
},
_onStyleChanged: function() {
let themeNode = this._box.get_theme_node();
let horizontalPadding = themeNode.get_horizontal_padding();
let verticalPadding = themeNode.get_vertical_padding();
let topBorder = themeNode.get_border_width(St.Side.TOP);
let bottomBorder = themeNode.get_border_width(St.Side.BOTTOM);
let leftBorder = themeNode.get_border_width(St.Side.LEFT);
let rightBorder = themeNode.get_border_width(St.Side.RIGHT);
let minWidth = this._popupSize - verticalPadding - leftBorder - rightBorder;
let minHeight = this._popupSize - horizontalPadding - topBorder - bottomBorder;
this._box.style = 'min-height: %dpx;'.format(Math.max(minWidth, minHeight));
}
});
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