gnome-shell/js/ui/osdWindow.js

197 lines
5.5 KiB
JavaScript

// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
/* exported OsdWindowManager */
const Clutter = imports.gi.Clutter;
const GLib = imports.gi.GLib;
const GObject = imports.gi.GObject;
const Meta = imports.gi.Meta;
const St = imports.gi.St;
const BarLevel = imports.ui.barLevel;
const Layout = imports.ui.layout;
const Main = imports.ui.main;
var HIDE_TIMEOUT = 1500;
var FADE_TIME = 100;
var LEVEL_ANIMATION_TIME = 100;
var OsdWindow = GObject.registerClass(
class OsdWindow extends Clutter.Actor {
_init(monitorIndex) {
super._init({
x_expand: true,
y_expand: true,
x_align: Clutter.ActorAlign.CENTER,
y_align: Clutter.ActorAlign.END,
});
this._monitorIndex = monitorIndex;
let constraint = new Layout.MonitorConstraint({ index: monitorIndex });
this.add_constraint(constraint);
this._hbox = new St.BoxLayout({
style_class: 'osd-window',
});
this.add_actor(this._hbox);
this._icon = new St.Icon({ y_expand: true });
this._hbox.add_child(this._icon);
this._vbox = new St.BoxLayout({
vertical: true,
y_align: Clutter.ActorAlign.CENTER,
});
this._hbox.add_child(this._vbox);
this._label = new St.Label();
this._vbox.add_child(this._label);
this._level = new BarLevel.BarLevel({
style_class: 'level',
value: 0,
});
this._vbox.add_child(this._level);
this._hideTimeoutId = 0;
this._reset();
Main.uiGroup.add_child(this);
}
_updateBoxVisibility() {
this._vbox.visible = [...this._vbox].some(c => c.visible);
}
setIcon(icon) {
this._icon.gicon = icon;
}
setLabel(label) {
this._label.visible = label != undefined;
if (label)
this._label.text = label;
this._updateBoxVisibility();
}
setLevel(value) {
this._level.visible = value != undefined;
if (value != undefined) {
if (this.visible) {
this._level.ease_property('value', value, {
mode: Clutter.AnimationMode.EASE_OUT_QUAD,
duration: LEVEL_ANIMATION_TIME,
});
} else {
this._level.value = value;
}
}
this._updateBoxVisibility();
}
setMaxLevel(maxLevel = 1) {
this._level.maximum_value = maxLevel;
}
show() {
if (!this._icon.gicon)
return;
if (!this.visible) {
Meta.disable_unredirect_for_display(global.display);
super.show();
this.opacity = 0;
this.get_parent().set_child_above_sibling(this, null);
this.ease({
opacity: 255,
duration: FADE_TIME,
mode: Clutter.AnimationMode.EASE_OUT_QUAD,
});
}
if (this._hideTimeoutId)
GLib.source_remove(this._hideTimeoutId);
this._hideTimeoutId = GLib.timeout_add(
GLib.PRIORITY_DEFAULT, HIDE_TIMEOUT, this._hide.bind(this));
GLib.Source.set_name_by_id(this._hideTimeoutId, '[gnome-shell] this._hide');
}
cancel() {
if (!this._hideTimeoutId)
return;
GLib.source_remove(this._hideTimeoutId);
this._hide();
}
_hide() {
this._hideTimeoutId = 0;
this.ease({
opacity: 0,
duration: FADE_TIME,
mode: Clutter.AnimationMode.EASE_OUT_QUAD,
onComplete: () => {
this._reset();
Meta.enable_unredirect_for_display(global.display);
},
});
return GLib.SOURCE_REMOVE;
}
_reset() {
super.hide();
this.setLabel(null);
this.setMaxLevel(null);
this.setLevel(null);
}
});
var OsdWindowManager = class {
constructor() {
this._osdWindows = [];
Main.layoutManager.connect('monitors-changed',
this._monitorsChanged.bind(this));
this._monitorsChanged();
}
_monitorsChanged() {
for (let i = 0; i < Main.layoutManager.monitors.length; i++) {
if (this._osdWindows[i] == undefined)
this._osdWindows[i] = new OsdWindow(i);
}
for (let i = Main.layoutManager.monitors.length; i < this._osdWindows.length; i++) {
this._osdWindows[i].destroy();
this._osdWindows[i] = null;
}
this._osdWindows.length = Main.layoutManager.monitors.length;
}
_showOsdWindow(monitorIndex, icon, label, level, maxLevel) {
this._osdWindows[monitorIndex].setIcon(icon);
this._osdWindows[monitorIndex].setLabel(label);
this._osdWindows[monitorIndex].setMaxLevel(maxLevel);
this._osdWindows[monitorIndex].setLevel(level);
this._osdWindows[monitorIndex].show();
}
show(monitorIndex, icon, label, level, maxLevel) {
if (monitorIndex != -1) {
for (let i = 0; i < this._osdWindows.length; i++) {
if (i == monitorIndex)
this._showOsdWindow(i, icon, label, level, maxLevel);
else
this._osdWindows[i].cancel();
}
} else {
for (let i = 0; i < this._osdWindows.length; i++)
this._showOsdWindow(i, icon, label, level, maxLevel);
}
}
hideAll() {
for (let i = 0; i < this._osdWindows.length; i++)
this._osdWindows[i].cancel();
}
};