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

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Lang = imports.lang;
const Gio = imports.gi.Gio;
const St = imports.gi.St;
const GnomeSession = imports.misc.gnomeSession;
const Main = imports.ui.main;
const MessageTray = imports.ui.messageTray;
// 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';
const 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.indexOf('/.') != -1);
}
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),
false)
} catch (e) {
log('Unable to launch the application ' + app.get_name()
+ ': ' + e.toString());
}
return retval;
}
/******************************************/
const HotplugSnifferIface = '<node> \
<interface name="org.gnome.Shell.HotplugSniffer"> \
<method name="SniffURI"> \
<arg type="s" direction="in" /> \
<arg type="as" direction="out" /> \
</method> \
</interface> \
</node>';
const HotplugSnifferProxy = Gio.DBusProxy.makeProxyWrapper(HotplugSnifferIface);
function HotplugSniffer() {
return new HotplugSnifferProxy(Gio.DBus.session,
'org.gnome.Shell.HotplugSniffer',
'/org/gnome/Shell/HotplugSniffer');
}
const ContentTypeDiscoverer = new Lang.Class({
Name: 'ContentTypeDiscoverer',
_init: function(callback) {
this._callback = callback;
this._settings = new Gio.Settings({ schema_id: SETTINGS_SCHEMA });
},
guessContentTypes: function(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,
Lang.bind(this,
this._onContentTypeGuessed));
} else {
this._emitCallback(mount, []);
}
},
_onContentTypeGuessed: function(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.toString());
}
if (contentTypes.length) {
this._emitCallback(mount, contentTypes);
} else {
let root = mount.get_root();
let hotplugSniffer = new HotplugSniffer();
hotplugSniffer.SniffURIRemote(root.get_uri(),
Lang.bind(this, function([contentTypes]) {
this._emitCallback(mount, contentTypes);
}));
}
},
_emitCallback: function(mount, contentTypes) {
if (!contentTypes)
contentTypes = [];
// we're not interested in win32 software content types here
contentTypes = contentTypes.filter(function(type) {
return (type != 'x-content/win32-software');
});
let apps = [];
contentTypes.forEach(function(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);
}
});
const AutorunManager = new Lang.Class({
Name: 'AutorunManager',
_init: function() {
this._session = new GnomeSession.SessionManager();
this._volumeMonitor = Gio.VolumeMonitor.get();
this._dispatcher = new AutorunDispatcher(this);
},
enable: function() {
this._mountAddedId = this._volumeMonitor.connect('mount-added', Lang.bind(this, this._onMountAdded));
this._mountRemovedId = this._volumeMonitor.connect('mount-removed', Lang.bind(this, this._onMountRemoved));
},
disable: function() {
this._volumeMonitor.disconnect(this._mountAddedId);
this._volumeMonitor.disconnect(this._mountRemovedId);
},
_onMountAdded: function(monitor, mount) {
// don't do anything if our session is not the currently
// active one
if (!this._session.SessionIsActive)
return;
let discoverer = new ContentTypeDiscoverer(Lang.bind(this, function(mount, apps, contentTypes) {
this._dispatcher.addMount(mount, apps, contentTypes);
}));
discoverer.guessContentTypes(mount);
},
_onMountRemoved: function(monitor, mount) {
this._dispatcher.removeMount(mount);
}
});
const AutorunDispatcher = new Lang.Class({
Name: 'AutorunDispatcher',
_init: function(manager) {
this._manager = manager;
this._sources = [];
this._settings = new Gio.Settings({ schema_id: SETTINGS_SCHEMA });
},
_getAutorunSettingForType: function(contentType) {
let runApp = this._settings.get_strv(SETTING_START_APP);
if (runApp.indexOf(contentType) != -1)
return AutorunSetting.RUN;
let ignore = this._settings.get_strv(SETTING_IGNORE);
if (ignore.indexOf(contentType) != -1)
return AutorunSetting.IGNORE;
let openFiles = this._settings.get_strv(SETTING_OPEN_FOLDER);
if (openFiles.indexOf(contentType) != -1)
return AutorunSetting.FILES;
return AutorunSetting.ASK;
},
_getSourceForMount: function(mount) {
let filtered =
this._sources.filter(function (source) {
return (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: function(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: function(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 = this._getAutorunSettingForType(contentTypes[0]);
// 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: function(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();
}
});
const AutorunSource = new Lang.Class({
Name: 'AutorunSource',
Extends: MessageTray.Source,
_init: function(manager, mount, apps) {
this._manager = manager;
this.mount = mount;
this.apps = apps;
this.parent(mount.get_name());
this._notification = new AutorunNotification(this._manager, this);
// add ourselves as a source, and popup the notification
Main.messageTray.add(this);
this.notify(this._notification);
},
getIcon: function() {
return this.mount.get_icon();
},
_createPolicy: function() {
return new MessageTray.NotificationApplicationPolicy('org.gnome.Nautilus');
}
});
const AutorunNotification = new Lang.Class({
Name: 'AutorunNotification',
Extends: MessageTray.Notification,
_init: function(manager, source) {
this.parent(source, source.title);
this._manager = manager;
this._mount = source.mount;
},
createBanner: function() {
let banner = new MessageTray.NotificationBanner(this);
this.source.apps.forEach(Lang.bind(this, function (app) {
let actor = this._buttonForApp(app);
if (actor)
banner.addButton(actor);
}));
return banner;
},
_buttonForApp: function(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', Lang.bind(this, function() {
startAppForMount(app, this._mount);
this.destroy();
}));
return button;
},
activate: function() {
this.parent();
let app = Gio.app_info_get_default_for_type('inode/directory', false);
startAppForMount(app, this._mount);
}
});
const Component = AutorunManager;