gnome-shell/js/ui/components/autorunManager.js

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
/* exported Component */
const { Gio, GObject, St } = imports.gi;
const GnomeSession = imports.misc.gnomeSession;
const Main = imports.ui.main;
const MessageTray = imports.ui.messageTray;
const { loadInterfaceXML } = imports.misc.fileUtils;
// GSettings keys
const SETTINGS_SCHEMA = 'org.gnome.desktop.media-handling';
const SETTING_DISABLE_AUTORUN = 'autorun-never';
const SETTING_START_APP = 'autorun-x-content-start-app';
const SETTING_IGNORE = 'autorun-x-content-ignore';
const SETTING_OPEN_FOLDER = 'autorun-x-content-open-folder';
var AutorunSetting = {
RUN: 0,
IGNORE: 1,
FILES: 2,
ASK: 3
};
// misc utils
function shouldAutorunMount(mount) {
let root = mount.get_root();
let volume = mount.get_volume();
if (!volume || !volume.allowAutorun)
return false;
if (root.is_native() && isMountRootHidden(root))
return false;
return true;
}
function isMountRootHidden(root) {
let path = root.get_path();
// skip any mounts in hidden directory hierarchies
return (path.includes('/.'));
}
function isMountNonLocal(mount) {
// If the mount doesn't have an associated volume, that means it's
// an uninteresting filesystem. Most devices that we care about will
// have a mount, like media players and USB sticks.
let volume = mount.get_volume();
if (volume == null)
return true;
return (volume.get_identifier("class") == "network");
}
function startAppForMount(app, mount) {
let files = [];
let root = mount.get_root();
let retval = false;
files.push(root);
try {
retval = app.launch(files,
global.create_app_launch_context(0, -1));
} catch (e) {
log(`Unable to launch the application ${app.get_name()}: ${e}`);
}
return retval;
}
const HotplugSnifferIface = loadInterfaceXML('org.gnome.Shell.HotplugSniffer');
const HotplugSnifferProxy = Gio.DBusProxy.makeProxyWrapper(HotplugSnifferIface);
function HotplugSniffer() {
return new HotplugSnifferProxy(Gio.DBus.session,
'org.gnome.Shell.HotplugSniffer',
'/org/gnome/Shell/HotplugSniffer');
}
var ContentTypeDiscoverer = class {
constructor(callback) {
this._callback = callback;
this._settings = new Gio.Settings({ schema_id: SETTINGS_SCHEMA });
}
guessContentTypes(mount) {
let autorunEnabled = !this._settings.get_boolean(SETTING_DISABLE_AUTORUN);
let shouldScan = autorunEnabled && !isMountNonLocal(mount);
if (shouldScan) {
// guess mount's content types using GIO
mount.guess_content_type(false, null,
this._onContentTypeGuessed.bind(this));
} else {
this._emitCallback(mount, []);
}
}
_onContentTypeGuessed(mount, res) {
let contentTypes = [];
try {
contentTypes = mount.guess_content_type_finish(res);
} catch (e) {
log(`Unable to guess content types on added mount ${mount.get_name()}: ${e}`);
}
if (contentTypes.length) {
this._emitCallback(mount, contentTypes);
} else {
let root = mount.get_root();
let hotplugSniffer = new HotplugSniffer();
hotplugSniffer.SniffURIRemote(root.get_uri(),
([contentTypes]) => {
this._emitCallback(mount, contentTypes);
});
}
}
_emitCallback(mount, contentTypes = []) {
// we're not interested in win32 software content types here
contentTypes = contentTypes.filter(
type => (type != 'x-content/win32-software')
);
let apps = [];
contentTypes.forEach(type => {
let app = Gio.app_info_get_default_for_type(type, false);
if (app)
apps.push(app);
});
if (apps.length == 0)
apps.push(Gio.app_info_get_default_for_type('inode/directory', false));
this._callback(mount, apps, contentTypes);
}
};
var AutorunManager = class {
constructor() {
this._session = new GnomeSession.SessionManager();
this._volumeMonitor = Gio.VolumeMonitor.get();
this._dispatcher = new AutorunDispatcher(this);
}
enable() {
this._mountAddedId = this._volumeMonitor.connect('mount-added', this._onMountAdded.bind(this));
this._mountRemovedId = this._volumeMonitor.connect('mount-removed', this._onMountRemoved.bind(this));
}
disable() {
this._volumeMonitor.disconnect(this._mountAddedId);
this._volumeMonitor.disconnect(this._mountRemovedId);
}
_onMountAdded(monitor, mount) {
// don't do anything if our session is not the currently
// active one
if (!this._session.SessionIsActive)
return;
let discoverer = new ContentTypeDiscoverer((mount, apps, contentTypes) => {
this._dispatcher.addMount(mount, apps, contentTypes);
});
discoverer.guessContentTypes(mount);
}
_onMountRemoved(monitor, mount) {
this._dispatcher.removeMount(mount);
}
};
var AutorunDispatcher = class {
constructor(manager) {
this._manager = manager;
this._sources = [];
this._settings = new Gio.Settings({ schema_id: SETTINGS_SCHEMA });
}
_getAutorunSettingForType(contentType) {
let runApp = this._settings.get_strv(SETTING_START_APP);
if (runApp.includes(contentType))
return AutorunSetting.RUN;
let ignore = this._settings.get_strv(SETTING_IGNORE);
if (ignore.includes(contentType))
return AutorunSetting.IGNORE;
let openFiles = this._settings.get_strv(SETTING_OPEN_FOLDER);
if (openFiles.includes(contentType))
return AutorunSetting.FILES;
return AutorunSetting.ASK;
}
_getSourceForMount(mount) {
let filtered = this._sources.filter(source => (source.mount == mount));
// we always make sure not to add two sources for the same
// mount in addMount(), so it's safe to assume filtered.length
// is always either 1 or 0.
if (filtered.length == 1)
return filtered[0];
return null;
}
_addSource(mount, apps) {
// if we already have a source showing for this
// mount, return
if (this._getSourceForMount(mount))
return;
// add a new source
this._sources.push(new AutorunSource(this._manager, mount, apps));
}
addMount(mount, apps, contentTypes) {
// if autorun is disabled globally, return
if (this._settings.get_boolean(SETTING_DISABLE_AUTORUN))
return;
// if the mount doesn't want to be autorun, return
if (!shouldAutorunMount(mount))
return;
let setting;
if (contentTypes.length > 0)
setting = this._getAutorunSettingForType(contentTypes[0]);
else
setting = AutorunSetting.ASK;
// check at the settings for the first content type
// to see whether we should ask
if (setting == AutorunSetting.IGNORE)
return; // return right away
let success = false;
let app = null;
if (setting == AutorunSetting.RUN) {
app = Gio.app_info_get_default_for_type(contentTypes[0], false);
} else if (setting == AutorunSetting.FILES) {
app = Gio.app_info_get_default_for_type('inode/directory', false);
}
if (app)
success = startAppForMount(app, mount);
// we fallback here also in case the settings did not specify 'ask',
// but we failed launching the default app or the default file manager
if (!success)
this._addSource(mount, apps);
}
removeMount(mount) {
let source = this._getSourceForMount(mount);
// if we aren't tracking this mount, don't do anything
if (!source)
return;
// destroy the notification source
source.destroy();
}
};
var AutorunSource = GObject.registerClass(
class AutorunSource extends MessageTray.Source {
_init(manager, mount, apps) {
super._init(mount.get_name());
this._manager = manager;
this.mount = mount;
this.apps = apps;
this._notification = new AutorunNotification(this._manager, this);
// add ourselves as a source, and popup the notification
Main.messageTray.add(this);
this.showNotification(this._notification);
}
getIcon() {
return this.mount.get_icon();
}
_createPolicy() {
return new MessageTray.NotificationApplicationPolicy('org.gnome.Nautilus');
}
});
var AutorunNotification = GObject.registerClass(
class AutorunNotification extends MessageTray.Notification {
_init(manager, source) {
super._init(source, source.title);
this._manager = manager;
this._mount = source.mount;
}
createBanner() {
let banner = new MessageTray.NotificationBanner(this);
this.source.apps.forEach(app => {
let actor = this._buttonForApp(app);
if (actor)
banner.addButton(actor);
});
return banner;
}
_buttonForApp(app) {
let box = new St.BoxLayout();
let icon = new St.Icon({ gicon: app.get_icon(),
style_class: 'hotplug-notification-item-icon' });
box.add(icon);
let label = new St.Bin({
y_align: St.Align.MIDDLE,
child: new St.Label({ text: _("Open with %s").format(app.get_name()) }),
});
box.add(label);
let button = new St.Button({ child: box,
x_fill: true,
x_align: St.Align.START,
x_expand: true,
button_mask: St.ButtonMask.ONE,
style_class: 'hotplug-notification-item button' });
button.connect('clicked', () => {
startAppForMount(app, this._mount);
this.destroy();
});
return button;
}
activate() {
super.activate();
let app = Gio.app_info_get_default_for_type('inode/directory', false);
startAppForMount(app, this._mount);
}
});
var Component = AutorunManager;