gnome-shell/js/ui/components/automountManager.js
Florian Müllner 033277b68f Define externally accessible contants with 'var' instead of 'const'
Just as we did with classes, define other constants that are (or
may be) used from other modules with 'var' to cut down on warnings.

https://bugzilla.gnome.org/show_bug.cgi?id=785084
2017-07-18 21:52:06 +02:00

246 lines
8.9 KiB
JavaScript

// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const GLib = imports.gi.GLib;
const Gio = imports.gi.Gio;
const Params = imports.misc.params;
const Shell = imports.gi.Shell;
const GnomeSession = imports.misc.gnomeSession;
const Main = imports.ui.main;
const ShellMountOperation = imports.ui.shellMountOperation;
var GNOME_SESSION_AUTOMOUNT_INHIBIT = 16;
// GSettings keys
const SETTINGS_SCHEMA = 'org.gnome.desktop.media-handling';
const SETTING_ENABLE_AUTOMOUNT = 'automount';
var AUTORUN_EXPIRE_TIMEOUT_SECS = 10;
var AutomountManager = new Lang.Class({
Name: 'AutomountManager',
_init: function() {
this._settings = new Gio.Settings({ schema_id: SETTINGS_SCHEMA });
this._volumeQueue = [];
this._session = new GnomeSession.SessionManager();
this._session.connectSignal('InhibitorAdded',
Lang.bind(this, this._InhibitorsChanged));
this._session.connectSignal('InhibitorRemoved',
Lang.bind(this, this._InhibitorsChanged));
this._inhibited = false;
this._volumeMonitor = Gio.VolumeMonitor.get();
},
enable: function() {
this._volumeAddedId = this._volumeMonitor.connect('volume-added', Lang.bind(this, this._onVolumeAdded));
this._volumeRemovedId = this._volumeMonitor.connect('volume-removed', Lang.bind(this, this._onVolumeRemoved));
this._driveConnectedId = this._volumeMonitor.connect('drive-connected', Lang.bind(this, this._onDriveConnected));
this._driveDisconnectedId = this._volumeMonitor.connect('drive-disconnected', Lang.bind(this, this._onDriveDisconnected));
this._driveEjectButtonId = this._volumeMonitor.connect('drive-eject-button', Lang.bind(this, this._onDriveEjectButton));
this._mountAllId = Mainloop.idle_add(Lang.bind(this, this._startupMountAll));
GLib.Source.set_name_by_id(this._mountAllId, '[gnome-shell] this._startupMountAll');
},
disable: function() {
this._volumeMonitor.disconnect(this._volumeAddedId);
this._volumeMonitor.disconnect(this._volumeRemovedId);
this._volumeMonitor.disconnect(this._driveConnectedId);
this._volumeMonitor.disconnect(this._driveDisconnectedId);
this._volumeMonitor.disconnect(this._driveEjectButtonId);
if (this._mountAllId > 0) {
Mainloop.source_remove(this._mountAllId);
this._mountAllId = 0;
}
},
_InhibitorsChanged: function(object, senderName, [inhibtor]) {
this._session.IsInhibitedRemote(GNOME_SESSION_AUTOMOUNT_INHIBIT,
Lang.bind(this,
function(result, error) {
if (!error) {
this._inhibited = result[0];
}
}));
},
_startupMountAll: function() {
let volumes = this._volumeMonitor.get_volumes();
volumes.forEach(Lang.bind(this, function(volume) {
this._checkAndMountVolume(volume, { checkSession: false,
useMountOp: false,
allowAutorun: false });
}));
this._mountAllId = 0;
return GLib.SOURCE_REMOVE;
},
_onDriveConnected: function() {
// if we're not in the current ConsoleKit session,
// or screensaver is active, don't play sounds
if (!this._session.SessionIsActive)
return;
global.play_theme_sound(0, 'device-added-media',
_("External drive connected"),
null);
},
_onDriveDisconnected: function() {
// if we're not in the current ConsoleKit session,
// or screensaver is active, don't play sounds
if (!this._session.SessionIsActive)
return;
global.play_theme_sound(0, 'device-removed-media',
_("External drive disconnected"),
null);
},
_onDriveEjectButton: function(monitor, drive) {
// TODO: this code path is not tested, as the GVfs volume monitor
// doesn't emit this signal just yet.
if (!this._session.SessionIsActive)
return;
// we force stop/eject in this case, so we don't have to pass a
// mount operation object
if (drive.can_stop()) {
drive.stop
(Gio.MountUnmountFlags.FORCE, null, null,
Lang.bind(this, function(drive, res) {
try {
drive.stop_finish(res);
} catch (e) {
log("Unable to stop the drive after drive-eject-button " + e.toString());
}
}));
} else if (drive.can_eject()) {
drive.eject_with_operation
(Gio.MountUnmountFlags.FORCE, null, null,
Lang.bind(this, function(drive, res) {
try {
drive.eject_with_operation_finish(res);
} catch (e) {
log("Unable to eject the drive after drive-eject-button " + e.toString());
}
}));
}
},
_onVolumeAdded: function(monitor, volume) {
this._checkAndMountVolume(volume);
},
_checkAndMountVolume: function(volume, params) {
params = Params.parse(params, { checkSession: true,
useMountOp: true,
allowAutorun: true });
if (params.checkSession) {
// if we're not in the current ConsoleKit session,
// don't attempt automount
if (!this._session.SessionIsActive)
return;
}
if (this._inhibited)
return;
// Volume is already mounted, don't bother.
if (volume.get_mount())
return;
if (!this._settings.get_boolean(SETTING_ENABLE_AUTOMOUNT) ||
!volume.should_automount() ||
!volume.can_mount()) {
// allow the autorun to run anyway; this can happen if the
// mount gets added programmatically later, even if
// should_automount() or can_mount() are false, like for
// blank optical media.
this._allowAutorun(volume);
this._allowAutorunExpire(volume);
return;
}
if (params.useMountOp) {
let operation = new ShellMountOperation.ShellMountOperation(volume);
this._mountVolume(volume, operation, params.allowAutorun);
} else {
this._mountVolume(volume, null, params.allowAutorun);
}
},
_mountVolume: function(volume, operation, allowAutorun) {
if (allowAutorun)
this._allowAutorun(volume);
let mountOp = operation ? operation.mountOp : null;
volume._operation = operation;
volume.mount(0, mountOp, null,
Lang.bind(this, this._onVolumeMounted));
},
_onVolumeMounted: function(volume, res) {
this._allowAutorunExpire(volume);
try {
volume.mount_finish(res);
this._closeOperation(volume);
} catch (e) {
// FIXME: we will always get G_IO_ERROR_FAILED from the gvfs udisks
// backend in this case, see
// https://bugs.freedesktop.org/show_bug.cgi?id=51271
if (e.message.indexOf('No key available with this passphrase') != -1) {
this._reaskPassword(volume);
} else {
if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.FAILED_HANDLED))
log('Unable to mount volume ' + volume.get_name() + ': ' + e.toString());
this._closeOperation(volume);
}
}
},
_onVolumeRemoved: function(monitor, volume) {
this._volumeQueue =
this._volumeQueue.filter(function(element) {
return (element != volume);
});
},
_reaskPassword: function(volume) {
let existingDialog = volume._operation ? volume._operation.borrowDialog() : null;
let operation =
new ShellMountOperation.ShellMountOperation(volume,
{ existingDialog: existingDialog });
this._mountVolume(volume, operation);
},
_closeOperation: function(volume) {
if (volume._operation)
volume._operation.close();
},
_allowAutorun: function(volume) {
volume.allowAutorun = true;
},
_allowAutorunExpire: function(volume) {
let id = Mainloop.timeout_add_seconds(AUTORUN_EXPIRE_TIMEOUT_SECS, function() {
volume.allowAutorun = false;
return GLib.SOURCE_REMOVE;
});
GLib.Source.set_name_by_id(id, '[gnome-shell] volume.allowAutorun');
}
});
var Component = AutomountManager;