gnome-shell/js/extensionPrefs/main.js
Florian Müllner 95b80eec01 extensionPrefs: Avoid awkward indentation in string literal
The current code is carefully avoiding an overly wide line length as
well as adding literal new lines to the string due to indentation. It's
clever and barely legible.

Instead, use one string per line similar to how they appear in the actual
output, and join them together when setting the clipboard text.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/608
2019-07-02 12:17:46 +00:00

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const Gettext = imports.gettext;
const { Gdk, GLib, Gio, GObject, Gtk, Pango } = imports.gi;
const Format = imports.format;
const _ = Gettext.gettext;
const Config = imports.misc.config;
const ExtensionUtils = imports.misc.extensionUtils;
const { loadInterfaceXML } = imports.misc.fileUtils;
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 = class {
constructor() {
GLib.set_prgname('gnome-shell-extension-prefs');
this.application = new Gtk.Application({
application_id: 'org.gnome.shell.ExtensionPrefs',
flags: Gio.ApplicationFlags.HANDLES_COMMAND_LINE
});
this.application.connect('activate', this._onActivate.bind(this));
this.application.connect('command-line', this._onCommandLine.bind(this));
this.application.connect('startup', this._onStartup.bind(this));
this._extensionPrefsModules = {};
this._startupUuid = null;
this._loaded = false;
this._skipMainWindow = false;
}
_extensionAvailable(uuid) {
let extension = ExtensionUtils.extensions[uuid];
if (!extension)
return false;
if (!extension.dir.get_child('prefs.js').query_exists(null))
return false;
return true;
}
_getExtensionPrefsModule(extension) {
let uuid = extension.metadata.uuid;
if (this._extensionPrefsModules.hasOwnProperty(uuid))
return this._extensionPrefsModules[uuid];
ExtensionUtils.installImporter(extension);
let prefsModule = extension.imports.prefs;
prefsModule.init(extension.metadata);
this._extensionPrefsModules[uuid] = prefsModule;
return prefsModule;
}
_selectExtension(uuid) {
if (!this._extensionAvailable(uuid))
return;
let extension = ExtensionUtils.extensions[uuid];
let widget;
try {
let prefsModule = this._getExtensionPrefsModule(extension);
widget = prefsModule.buildPrefsWidget();
} catch (e) {
widget = this._buildErrorUI(extension, e);
}
let dialog = new Gtk.Window({ modal: !this._skipMainWindow,
type_hint: Gdk.WindowTypeHint.DIALOG });
dialog.set_titlebar(new Gtk.HeaderBar({ show_close_button: true,
title: extension.metadata.name,
visible: true }));
if (this._skipMainWindow) {
this.application.add_window(dialog);
if (this._window)
this._window.destroy();
this._window = dialog;
this._window.window_position = Gtk.WindowPosition.CENTER;
} else {
dialog.transient_for = this._window;
}
dialog.set_default_size(600, 400);
dialog.add(widget);
dialog.show();
}
_buildErrorUI(extension, 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: 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 ${extension.uuid} had an error:`,
'```',
`${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: extension.metadata.url != null
});
toolbar.add(urlButton);
urlButton.connect('clicked', w => {
let context = w.get_display().get_app_launch_context();
Gio.AppInfo.launch_default_for_uri(extension.metadata.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;
}
_buildUI(app) {
this._window = new Gtk.ApplicationWindow({ application: app,
window_position: Gtk.WindowPosition.CENTER });
this._window.set_default_size(800, 500);
this._titlebar = new Gtk.HeaderBar({ show_close_button: true,
title: _("Shell Extensions") });
this._window.set_titlebar(this._titlebar);
let killSwitch = new Gtk.Switch({ valign: Gtk.Align.CENTER });
this._titlebar.pack_end(killSwitch);
this._settings = new Gio.Settings({ schema_id: 'org.gnome.shell' });
this._settings.bind('disable-user-extensions', killSwitch, 'active',
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._extensionSelector = new Gtk.ListBox({ selection_mode: Gtk.SelectionMode.NONE });
this._extensionSelector.set_sort_func(this._sortList.bind(this));
this._extensionSelector.set_header_func(this._updateHeader.bind(this));
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]) => {
if (ExtensionUtils.extensions[uuid] !== undefined)
this._scanExtensions();
});
this._window.show_all();
}
_sortList(row1, row2) {
let name1 = ExtensionUtils.extensions[row1.uuid].metadata.name;
let name2 = ExtensionUtils.extensions[row2.uuid].metadata.name;
return name1.localeCompare(name2);
}
_updateHeader(row, before) {
if (!before || row.get_header())
return;
let sep = new Gtk.Separator({ orientation: Gtk.Orientation.HORIZONTAL });
row.set_header(sep);
}
_scanExtensions() {
let finder = new ExtensionUtils.ExtensionFinder();
finder.connect('extension-found', this._extensionFound.bind(this));
finder.scanExtensions();
this._extensionsLoaded();
}
_extensionFound(finder, extension) {
let row = new ExtensionRow(extension.uuid);
row.prefsButton.visible = this._extensionAvailable(row.uuid);
row.prefsButton.connect('clicked', () => {
this._selectExtension(row.uuid);
});
row.show_all();
this._extensionSelector.add(row);
}
_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;
this._skipMainWindow = false;
this._loaded = true;
}
_onActivate() {
this._window.present();
}
_onStartup(app) {
this._buildUI(app);
this._scanExtensions();
}
_onCommandLine(app, commandLine) {
app.activate();
let args = commandLine.get_arguments();
if (args.length) {
let uuid = args[0];
this._skipMainWindow = true;
// Strip off "extension:///" prefix which fakes a URI, if it exists
uuid = stripPrefix(uuid, "extension:///");
if (this._extensionAvailable(uuid))
this._selectExtension(uuid);
else if (!this._loaded)
this._startupUuid = uuid;
else
this._skipMainWindow = false;
}
return 0;
}
};
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 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) {
// 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(uuid) {
super._init();
this.uuid = uuid;
this._settings = new Gio.Settings({ schema_id: 'org.gnome.shell' });
this._settings.connect('changed::enabled-extensions', () => {
this._switch.state = this._isEnabled();
});
this._settings.connect('changed::disable-extension-version-validation',
() => {
this._switch.sensitive = this._canEnable();
});
this._settings.connect('changed::disable-user-extensions',
() => {
this._switch.sensitive = this._canEnable();
});
this._buildUI();
}
_buildUI() {
let extension = ExtensionUtils.extensions[this.uuid];
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(extension.metadata.name, -1);
let label = new Gtk.Label({ label: '<b>' + name + '</b>',
use_markup: true,
halign: Gtk.Align.START });
vbox.add(label);
let desc = extension.metadata.description.split('\n')[0];
label = new DescriptionLabel({ label: desc, wrap: true, lines: 2,
ellipsize: Pango.EllipsizeMode.END,
xalign: 0, yalign: 0 });
vbox.add(label);
let button = new Gtk.Button({ valign: Gtk.Align.CENTER,
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._canEnable(),
state: this._isEnabled() });
this._switch.connect('notify::active', () => {
if (this._switch.active)
this._enable();
else
this._disable();
});
this._switch.connect('state-set', () => true);
hbox.add(this._switch);
}
_canEnable() {
let extension = ExtensionUtils.extensions[this.uuid];
let checkVersion = !this._settings.get_boolean('disable-extension-version-validation');
return !this._settings.get_boolean('disable-user-extensions') &&
!(checkVersion && ExtensionUtils.isOutOfDate(extension));
}
_isEnabled() {
let extensions = this._settings.get_strv('enabled-extensions');
return extensions.includes(this.uuid);
}
_enable() {
let extensions = this._settings.get_strv('enabled-extensions');
if (extensions.includes(this.uuid))
return;
extensions.push(this.uuid);
this._settings.set_strv('enabled-extensions', extensions);
}
_disable() {
let extensions = this._settings.get_strv('enabled-extensions');
let pos = extensions.indexOf(this.uuid);
if (pos == -1)
return;
do {
extensions.splice(pos, 1);
pos = extensions.indexOf(this.uuid);
} while (pos != -1);
this._settings.set_strv('enabled-extensions', extensions);
}
});
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();
Gettext.bindtextdomain(Config.GETTEXT_PACKAGE, Config.LOCALEDIR);
Gettext.textdomain(Config.GETTEXT_PACKAGE);
let app = new Application();
app.application.run(argv);
}