gnome-shell/js/extensionPrefs/main.js
Florian Müllner db85e7084c extensionPrefs: Scroll with key focus
Currently when the extensions list is scrolled, it is possible to
keynav out of view, as the scrolling doesn't follow the key focus.

Hook up the adjustment to fix that.

https://gitlab.gnome.org/GNOME/gnome-shell/issues/1968
2020-02-03 19:03:19 +01:00

603 lines
18 KiB
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/* exported main */
imports.gi.versions.Gdk = '3.0';
imports.gi.versions.Gtk = '3.0';
const Gettext = imports.gettext;
const { Gdk, GLib, Gio, GObject, Gtk, Pango } = imports.gi;
const Format = imports.format;
const _ = Gettext.gettext;
const ExtensionUtils = imports.misc.extensionUtils;
const { loadInterfaceXML } = imports.misc.fileUtils;
const { ExtensionState } = ExtensionUtils;
const GnomeShellIface = loadInterfaceXML('org.gnome.Shell.Extensions');
const GnomeShellProxy = Gio.DBusProxy.makeProxyWrapper(GnomeShellIface);
function stripPrefix(string, prefix) {
if (string.slice(0, prefix.length) == prefix)
return string.slice(prefix.length);
return string;
}
var Application = GObject.registerClass(
class Application extends Gtk.Application {
_init() {
GLib.set_prgname('gnome-shell-extension-prefs');
super._init({
application_id: 'org.gnome.shell.ExtensionPrefs',
flags: Gio.ApplicationFlags.HANDLES_COMMAND_LINE,
});
}
get shellProxy() {
return this._shellProxy;
}
vfunc_activate() {
this._window.present();
}
vfunc_startup() {
super.vfunc_startup();
this._shellProxy = new GnomeShellProxy(Gio.DBus.session, 'org.gnome.Shell', '/org/gnome/Shell');
this._window = new ExtensionsWindow({ application: this });
}
vfunc_command_line(commandLine) {
let args = commandLine.get_arguments();
if (args.length) {
let uuid = args[0];
// Strip off "extension:///" prefix which fakes a URI, if it exists
uuid = stripPrefix(uuid, 'extension:///');
this._window.openPrefs(uuid);
} else {
this.activate();
}
return 0;
}
});
var ExtensionsWindow = GObject.registerClass({
GTypeName: 'ExtensionsWindow',
Template: 'resource:///org/gnome/shell/ui/extensions-window.ui',
InternalChildren: [
'extensionsList',
'killSwitch',
'mainBox',
'mainStack',
'scrolledWindow',
],
}, class ExtensionsWindow extends Gtk.ApplicationWindow {
_init(params) {
super._init(params);
this._startupUuid = null;
this._loaded = false;
this._prefsDialog = null;
this._mainBox.set_focus_vadjustment(this._scrolledWindow.vadjustment);
this._settings = new Gio.Settings({ schema_id: 'org.gnome.shell' });
this._settings.bind('disable-user-extensions',
this._killSwitch, 'active',
Gio.SettingsBindFlags.DEFAULT | Gio.SettingsBindFlags.INVERT_BOOLEAN);
this._extensionsList.set_sort_func(this._sortList.bind(this));
this._extensionsList.set_header_func(this._updateHeader.bind(this));
this._shellProxy.connectSignal('ExtensionStateChanged',
this._onExtensionStateChanged.bind(this));
this._scanExtensions();
}
get _shellProxy() {
return this.application.shellProxy;
}
openPrefs(uuid) {
if (!this._loaded)
this._startupUuid = uuid;
else if (!this._showPrefs(uuid))
this.present();
}
_showPrefs(uuid) {
if (this._prefsDialog)
return false;
let row = this._extensionsList.get_children().find(c => {
return c.uuid === uuid && c.hasPrefs;
});
if (!row)
return false;
let widget;
try {
widget = row.prefsModule.buildPrefsWidget();
} catch (e) {
widget = this._buildErrorUI(row, e);
}
this._prefsDialog = new Gtk.Window({
application: this.application,
default_width: 600,
default_height: 400,
modal: this.visible,
type_hint: Gdk.WindowTypeHint.DIALOG,
window_position: Gtk.WindowPosition.CENTER,
});
this._prefsDialog.set_titlebar(new Gtk.HeaderBar({
show_close_button: true,
title: row.name,
visible: true,
}));
if (this.visible)
this._prefsDialog.transient_for = this;
this._prefsDialog.connect('destroy', () => {
this._prefsDialog = null;
if (!this.visible)
this.destroy();
});
this._prefsDialog.add(widget);
this._prefsDialog.show();
return true;
}
_buildErrorUI(row, exc) {
let scroll = new Gtk.ScrolledWindow({
hscrollbar_policy: Gtk.PolicyType.NEVER,
propagate_natural_height: true,
});
let box = new Gtk.Box({
orientation: Gtk.Orientation.VERTICAL,
spacing: 12,
margin: 100,
margin_bottom: 60,
});
scroll.add(box);
let label = new Gtk.Label({
label: '<span size="x-large">%s</span>'.format(_("Somethings gone wrong")),
use_markup: true,
});
label.get_style_context().add_class(Gtk.STYLE_CLASS_DIM_LABEL);
box.add(label);
label = new Gtk.Label({
label: _("Were very sorry, but theres been a problem: the settings for this extension cant be displayed. We recommend that you report the issue to the extension authors."),
justify: Gtk.Justification.CENTER,
wrap: true,
});
box.add(label);
let expander = new Expander({
label: _("Technical Details"),
margin_top: 12,
});
box.add(expander);
let errortext = `${exc}\n\nStack trace:\n${
// Indent stack trace.
exc.stack.split('\n').map(line => ` ${line}`).join('\n')
}`;
let buffer = new Gtk.TextBuffer({ text: errortext });
let textview = new Gtk.TextView({
buffer,
wrap_mode: Gtk.WrapMode.WORD,
monospace: true,
editable: false,
top_margin: 12,
bottom_margin: 12,
left_margin: 12,
right_margin: 12,
});
let toolbar = new Gtk.Toolbar();
let provider = new Gtk.CssProvider();
provider.load_from_data(`* {
border: 0 solid @borders;
border-top-width: 1px;
}`);
toolbar.get_style_context().add_provider(
provider,
Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION
);
let copyButton = new Gtk.ToolButton({
icon_name: 'edit-copy-symbolic',
tooltip_text: _("Copy Error"),
});
toolbar.add(copyButton);
copyButton.connect('clicked', w => {
let clipboard = Gtk.Clipboard.get_default(w.get_display());
// markdown for pasting in gitlab issues
let lines = [
`The settings of extension ${row.uuid} had an error:`,
'```', // '`' (xgettext throws up on odd number of backticks)
`${exc}`,
'```', // '`'
'',
'Stack trace:',
'```', // '`'
exc.stack.replace(/\n$/, ''), // stack without trailing newline
'```', // '`'
'',
];
clipboard.set_text(lines.join('\n'), -1);
});
let spacing = new Gtk.SeparatorToolItem({ draw: false });
toolbar.add(spacing);
toolbar.child_set_property(spacing, "expand", true);
let urlButton = new Gtk.ToolButton({
label: _("Homepage"),
tooltip_text: _("Visit extension homepage"),
no_show_all: true,
visible: row.url != null,
});
toolbar.add(urlButton);
urlButton.connect('clicked', w => {
let context = w.get_display().get_app_launch_context();
Gio.AppInfo.launch_default_for_uri(row.url, context);
});
let expandedBox = new Gtk.Box({
orientation: Gtk.Orientation.VERTICAL,
});
expandedBox.add(textview);
expandedBox.add(toolbar);
expander.add(expandedBox);
scroll.show_all();
return scroll;
}
_sortList(row1, row2) {
return row1.name.localeCompare(row2.name);
}
_updateHeader(row, before) {
if (!before || row.get_header())
return;
let sep = new Gtk.Separator({ orientation: Gtk.Orientation.HORIZONTAL });
row.set_header(sep);
}
_findExtensionRow(uuid) {
return this._extensionsList.get_children().find(c => c.uuid === uuid);
}
_onExtensionStateChanged(proxy, senderName, [uuid, newState]) {
let extension = ExtensionUtils.deserializeExtension(newState);
let row = this._findExtensionRow(uuid);
if (row) {
if (extension.state === ExtensionState.UNINSTALLED)
row.destroy();
return; // we only deal with new and deleted extensions here
}
this._addExtensionRow(extension);
}
_scanExtensions() {
this._shellProxy.ListExtensionsRemote(([extensionsMap], e) => {
if (e) {
if (e instanceof Gio.DBusError) {
log(`Failed to connect to shell proxy: ${e}`);
this._mainStack.visible_child_name = 'noshell';
} else {
throw e;
}
return;
}
for (let uuid in extensionsMap) {
let extension = ExtensionUtils.deserializeExtension(extensionsMap[uuid]);
this._addExtensionRow(extension);
}
this._extensionsLoaded();
});
}
_addExtensionRow(extension) {
let row = new ExtensionRow(extension);
row.prefsButton.connect('clicked', () => {
this._showPrefs(row.uuid);
});
row.show_all();
this._extensionsList.add(row);
}
_extensionsLoaded() {
if (this._extensionsList.get_children().length > 0)
this._mainStack.visible_child_name = 'main';
else
this._mainStack.visible_child_name = 'placeholder';
if (this._startupUuid)
this._showPrefs(this._startupUuid);
this._startupUuid = null;
this._loaded = true;
}
});
var Expander = GObject.registerClass({
Properties: {
'label': GObject.ParamSpec.string(
'label', 'label', 'label',
GObject.ParamFlags.READWRITE,
null
),
},
}, class Expander extends Gtk.Box {
_init(params = {}) {
this._labelText = null;
super._init(Object.assign(params, {
orientation: Gtk.Orientation.VERTICAL,
spacing: 0,
}));
this._frame = new Gtk.Frame({
shadow_type: Gtk.ShadowType.IN,
hexpand: true,
});
let eventBox = new Gtk.EventBox();
this._frame.add(eventBox);
let hbox = new Gtk.Box({
spacing: 6,
margin: 12,
});
eventBox.add(hbox);
this._arrow = new Gtk.Image({
icon_name: 'pan-end-symbolic',
});
hbox.add(this._arrow);
this._label = new Gtk.Label({ label: this._labelText });
hbox.add(this._label);
this._revealer = new Gtk.Revealer();
this._childBin = new Gtk.Frame({
shadow_type: Gtk.ShadowType.IN,
});
this._revealer.add(this._childBin);
// Directly chain up to parent for internal children
super.add(this._frame);
super.add(this._revealer);
let provider = new Gtk.CssProvider();
provider.load_from_data('* { border-top-width: 0; }');
this._childBin.get_style_context().add_provider(
provider,
Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION
);
this._gesture = new Gtk.GestureMultiPress({
widget: this._frame,
button: 0,
exclusive: true,
});
this._gesture.connect('released', (gesture, nPress) => {
if (nPress == 1)
this._revealer.reveal_child = !this._revealer.reveal_child;
});
this._revealer.connect('notify::reveal-child', () => {
if (this._revealer.reveal_child)
this._arrow.icon_name = 'pan-down-symbolic';
else
this._arrow.icon_name = 'pan-end-symbolic';
});
}
get label() {
return this._labelText;
}
set label(text) {
if (this._labelText == text)
return;
if (this._label)
this._label.label = text;
this._labelText = text;
this.notify('label');
}
add(child) {
// set expanded child
this._childBin.get_children().forEach(c => {
this._childBin.remove(c);
});
if (child)
this._childBin.add(child);
}
});
var DescriptionLabel = GObject.registerClass(
class DescriptionLabel extends Gtk.Label {
vfunc_get_preferred_height_for_width(width) {
// Hack: Request the maximum height allowed by the line limit
if (this.lines > 0)
return super.vfunc_get_preferred_height_for_width(0);
return super.vfunc_get_preferred_height_for_width(width);
}
});
var ExtensionRow = GObject.registerClass(
class ExtensionRow extends Gtk.ListBoxRow {
_init(extension) {
super._init();
this._app = Gio.Application.get_default();
this._extension = extension;
this._prefsModule = null;
this.connect('destroy', this._onDestroy.bind(this));
this._buildUI();
this._extensionStateChangedId = this._app.shellProxy.connectSignal(
'ExtensionStateChanged', (p, sender, [uuid, newState]) => {
if (this.uuid !== uuid)
return;
this._extension = ExtensionUtils.deserializeExtension(newState);
let state = this._extension.state == ExtensionState.ENABLED;
this._switch.block_signal_handler(this._notifyActiveId);
this._switch.state = state;
this._switch.unblock_signal_handler(this._notifyActiveId);
this._switch.sensitive = this._canToggle();
});
}
get uuid() {
return this._extension.uuid;
}
get name() {
return this._extension.metadata.name;
}
get hasPrefs() {
return this._extension.hasPrefs;
}
get url() {
return this._extension.metadata.url;
}
_onDestroy() {
if (!this._app.shellProxy)
return;
if (this._extensionStateChangedId)
this._app.shellProxy.disconnectSignal(this._extensionStateChangedId);
this._extensionStateChangedId = 0;
}
_buildUI() {
let hbox = new Gtk.Box({ orientation: Gtk.Orientation.HORIZONTAL,
hexpand: true, margin_end: 24, spacing: 24,
margin: 12 });
this.add(hbox);
let vbox = new Gtk.Box({ orientation: Gtk.Orientation.VERTICAL,
spacing: 6, hexpand: true });
hbox.add(vbox);
let name = GLib.markup_escape_text(this.name, -1);
let label = new Gtk.Label({ label: '<b>' + name + '</b>',
use_markup: true,
halign: Gtk.Align.START });
vbox.add(label);
let desc = this._extension.metadata.description.split('\n')[0];
label = new DescriptionLabel({ label: desc, wrap: true, lines: 2,
ellipsize: Pango.EllipsizeMode.END,
max_width_chars: 60,
xalign: 0, yalign: 0 });
vbox.add(label);
let button = new Gtk.Button({ valign: Gtk.Align.CENTER,
visible: this.hasPrefs,
no_show_all: true });
button.set_image(new Gtk.Image({ icon_name: 'emblem-system-symbolic',
icon_size: Gtk.IconSize.BUTTON,
visible: true }));
button.get_style_context().add_class('circular');
hbox.add(button);
this.prefsButton = button;
this._switch = new Gtk.Switch({
valign: Gtk.Align.CENTER,
sensitive: this._canToggle(),
state: this._extension.state === ExtensionState.ENABLED,
});
this._notifyActiveId = this._switch.connect('notify::active', () => {
if (this._switch.active)
this._app.shellProxy.EnableExtensionRemote(this.uuid);
else
this._app.shellProxy.DisableExtensionRemote(this.uuid);
});
this._switch.connect('state-set', () => true);
hbox.add(this._switch);
}
_canToggle() {
return this._extension.canChange;
}
get prefsModule() {
// give extension prefs access to their own extension object
ExtensionUtils.getCurrentExtension = () => this._extension;
if (!this._prefsModule) {
ExtensionUtils.installImporter(this._extension);
this._prefsModule = this._extension.imports.prefs;
this._prefsModule.init(this._extension.metadata);
}
return this._prefsModule;
}
});
function initEnvironment() {
// Monkey-patch in a "global" object that fakes some Shell utilities
// that ExtensionUtils depends on.
window.global = {
log(...args) {
print(args.join(', '));
},
logError(s) {
log(`ERROR: ${s}`);
},
userdatadir: GLib.build_filenamev([GLib.get_user_data_dir(), 'gnome-shell']),
};
String.prototype.format = Format.format;
}
function main(argv) {
initEnvironment();
new Application().run(argv);
}