gnome-shell/js/ui/appIcon.js

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/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
const Big = imports.gi.Big;
const Clutter = imports.gi.Clutter;
const GLib = imports.gi.GLib;
const Pango = imports.gi.Pango;
const Shell = imports.gi.Shell;
const Lang = imports.lang;
const GenericDisplay = imports.ui.genericDisplay;
const Main = imports.ui.main;
const GLOW_COLOR = new Clutter.Color();
GLOW_COLOR.from_pixel(0x4f6ba4ff);
const GLOW_PADDING_HORIZONTAL = 3;
const GLOW_PADDING_VERTICAL = 3;
const APP_ICON_SIZE = 48;
function AppIcon(appInfo) {
this._init(appInfo);
}
AppIcon.prototype = {
_init : function(appInfo) {
this.appInfo = appInfo;
this.windows = Shell.AppMonitor.get_default().get_windows_for_app(appInfo.get_id());
for (let i = 0; i < this.windows.length; i++) {
this.windows[i].connect('notify::user-time', Lang.bind(this, this._resortWindows));
}
this._resortWindows();
this.actor = new Big.Box({ orientation: Big.BoxOrientation.VERTICAL,
corner_radius: 2,
padding: 1,
reactive: true });
let iconBox = new Big.Box({ orientation: Big.BoxOrientation.VERTICAL,
x_align: Big.BoxAlignment.CENTER,
y_align: Big.BoxAlignment.CENTER });
this.icon = appInfo.create_icon_texture(APP_ICON_SIZE);
iconBox.append(this.icon, Big.BoxPackFlags.NONE);
this.actor.append(iconBox, Big.BoxPackFlags.EXPAND);
this._windows = Shell.AppMonitor.get_default().get_windows_for_app(appInfo.get_id());
let nameBox = new Shell.GenericContainer();
nameBox.connect('get-preferred-width', Lang.bind(this, this._nameBoxGetPreferredWidth));
nameBox.connect('get-preferred-height', Lang.bind(this, this._nameBoxGetPreferredHeight));
nameBox.connect('allocate', Lang.bind(this, this._nameBoxAllocate));
this._nameBox = nameBox;
this._name = new Clutter.Text({ color: GenericDisplay.ITEM_DISPLAY_NAME_COLOR,
font_name: "Sans 12px",
line_alignment: Pango.Alignment.CENTER,
ellipsize: Pango.EllipsizeMode.END,
text: appInfo.get_name() });
nameBox.add_actor(this._name);
this._glowBox = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL });
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let glowPath = GLib.filename_to_uri(global.imagedir + 'app-well-glow.png', '');
for (let i = 0; i < this._windows.length && i < 3; i++) {
let glow = Shell.TextureCache.get_default().load_uri_sync(Shell.TextureCachePolicy.FOREVER,
glowPath, -1, -1);
glow.keep_aspect_ratio = false;
this._glowBox.append(glow, Big.BoxPackFlags.EXPAND);
}
this._nameBox.add_actor(this._glowBox);
this._glowBox.lower(this._name);
this.actor.append(nameBox, Big.BoxPackFlags.NONE);
},
_nameBoxGetPreferredWidth: function (nameBox, forHeight, alloc) {
let [min, natural] = this._name.get_preferred_width(forHeight);
alloc.min_size = min + GLOW_PADDING_HORIZONTAL * 2;
alloc.natural_size = natural + GLOW_PADDING_HORIZONTAL * 2;
},
_nameBoxGetPreferredHeight: function (nameBox, forWidth, alloc) {
let [min, natural] = this._name.get_preferred_height(forWidth);
alloc.min_size = min + GLOW_PADDING_VERTICAL * 2;
alloc.natural_size = natural + GLOW_PADDING_VERTICAL * 2;
},
_nameBoxAllocate: function (nameBox, box, flags) {
let childBox = new Clutter.ActorBox();
let [minWidth, naturalWidth] = this._name.get_preferred_width(-1);
let [minHeight, naturalHeight] = this._name.get_preferred_height(-1);
let availWidth = box.x2 - box.x1;
let availHeight = box.y2 - box.y1;
let targetWidth = availWidth;
let xPadding = 0;
if (naturalWidth < availWidth) {
xPadding = Math.floor((availWidth - naturalWidth) / 2);
}
childBox.x1 = xPadding;
childBox.x2 = availWidth - xPadding;
childBox.y1 = GLOW_PADDING_VERTICAL;
childBox.y2 = availHeight - GLOW_PADDING_VERTICAL;
this._name.allocate(childBox, flags);
// Now the glow
if (this._glowBox != null) {
let glowPaddingHoriz = Math.max(0, xPadding - GLOW_PADDING_HORIZONTAL);
glowPaddingHoriz = Math.max(GLOW_PADDING_HORIZONTAL, glowPaddingHoriz);
childBox.x1 = glowPaddingHoriz;
childBox.x2 = availWidth - glowPaddingHoriz;
childBox.y1 = 0;
childBox.y2 = availHeight;
this._glowBox.allocate(childBox, flags);
}
},
_resortWindows: function() {
this.windows.sort(function (a, b) {
let timeA = a.get_user_time();
let timeB = b.get_user_time();
if (timeA == timeB)
return 0;
else if (timeA > timeB)
return -1;
return 1;
});
},
getDragActor: function() {
return this.appInfo.create_icon_texture(APP_ICON_SIZE);
},
getDragActorSource: function() {
return this.icon;
}
};