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extensionPrefs: Add blank state

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We currently show a big white window in case no extensions are
installed, which clearly isn't helpful. Add a small blank state
that explains what's going on.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/193
This commit is contained in:
Florian Müllner 2018-08-06 02:31:18 +02:00
parent 8647922df9
commit 36f9147b21
1 changed files with 78 additions and 1 deletions
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79
js/extensionPrefs/main.js
View File

@ -147,8 +147,12 @@ var Application = class {
Gio.SettingsBindFlags.DEFAULT |
Gio.SettingsBindFlags.INVERT_BOOLEAN);
this._mainStack = new Gtk.Stack({
transition_type: Gtk.StackTransitionType.CROSSFADE
});
this._window.add(this._mainStack);
let scroll = new Gtk.ScrolledWindow({ hscrollbar_policy: Gtk.PolicyType.NEVER });
this._window.add(scroll);
this._extensionSelector = new Gtk.ListBox({ selection_mode: Gtk.SelectionMode.NONE });
this._extensionSelector.set_sort_func(this._sortList.bind(this));
@ -156,6 +160,8 @@ var Application = class {
scroll.add(this._extensionSelector);
this._mainStack.add_named(scroll, 'listing');
this._mainStack.add_named(new EmptyPlaceholder(), 'placeholder');
this._shellProxy = new GnomeShellProxy(Gio.DBus.session, 'org.gnome.Shell', '/org/gnome/Shell');
this._shellProxy.connectSignal('ExtensionStatusChanged', (proxy, senderName, [uuid, state, error]) => {
@ -200,6 +206,11 @@ var Application = class {
}
_extensionsLoaded() {
if (this._extensionSelector.get_children().length > 0)
this._mainStack.visible_child_name = 'listing';
else
this._mainStack.visible_child_name = 'placeholder';
if (this._startupUuid && this._extensionAvailable(this._startupUuid))
this._selectExtension(this._startupUuid);
this._startupUuid = null;
@ -239,6 +250,72 @@ var Application = class {
}
};
var EmptyPlaceholder = GObject.registerClass(
class EmptyPlaceholder extends Gtk.Box {
_init() {
super._init({
orientation: Gtk.Orientation.VERTICAL,
spacing: 6,
margin: 32
});
let image = new Gtk.Image({
icon_name: 'application-x-addon-symbolic',
pixel_size: 96,
visible: true,
vexpand: true,
valign: Gtk.Align.END
});
image.get_style_context().add_class(Gtk.STYLE_CLASS_DIM_LABEL);
this.add(image);
let label = new Gtk.Label({
label: `<b><span size="x-large">${_("No Extensions Installed" )}</span></b>`,
use_markup: true,
visible: true
});
label.get_style_context().add_class(Gtk.STYLE_CLASS_DIM_LABEL);
this.add(label);
let appInfo = Gio.DesktopAppInfo.new('org.gnome.Software.desktop');
let desc = new Gtk.Label({
label: _("Extensions can be installed through Software or <a href=\"https://extensions.gnome.org\">extensions.gnome.org</a>."),
use_markup: true,
wrap: true,
justify: Gtk.Justification.CENTER,
visible: true,
max_width_chars: 50,
hexpand: true,
vexpand: (appInfo == null),
halign: Gtk.Align.CENTER,
valign: Gtk.Align.START
});
this.add(desc);
if (appInfo) {
let button = new Gtk.Button({
label: _("Browse in Software"),
image: new Gtk.Image({
icon_name: "org.gnome.Software-symbolic"
}),
always_show_image: true,
margin_top: 12,
visible: true,
halign: Gtk.Align.CENTER,
valign: Gtk.Align.START,
vexpand: true
});
this.add(button);
button.connect('clicked', w => {
let context = w.get_display().get_app_launch_context();
appInfo.launch([], context);
});
}
}
});
var DescriptionLabel = GObject.registerClass(
class DescriptionLabel extends Gtk.Label {
vfunc_get_preferred_height_for_width(width) {