gnome-shell/js/ui/automountManager.js
Giovanni Campagna 9a7914eee9 Consolidate systemd and consolekit in a common abstract class
Various code around had different paths for ConsoleKit and
logind. Consolidate it by making an abstract class that all
callers can use, which hides the implementation details of the
two daemons.

https://bugzilla.gnome.org/show_bug.cgi?id=682096
2012-08-18 18:09:55 +02:00

262 lines
9.0 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 LoginManager = imports.misc.loginManager;
const Main = imports.ui.main;
const ShellMountOperation = imports.ui.shellMountOperation;
const GNOME_SESSION_AUTOMOUNT_INHIBIT = 16;
// GSettings keys
const SETTINGS_SCHEMA = 'org.gnome.desktop.media-handling';
const SETTING_ENABLE_AUTOMOUNT = 'automount';
const AUTORUN_EXPIRE_TIMEOUT_SECS = 10;
const AutomountManager = new Lang.Class({
Name: 'AutomountManager',
_init: function() {
this._settings = new Gio.Settings({ schema: 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._loginManager = LoginManager.getLoginManager();
Main.screenShield.connect('lock-status-changed', Lang.bind(this, this._lockStatusChanged));
this._volumeMonitor = Gio.VolumeMonitor.get();
this._volumeMonitor.connect('volume-added',
Lang.bind(this,
this._onVolumeAdded));
this._volumeMonitor.connect('volume-removed',
Lang.bind(this,
this._onVolumeRemoved));
this._volumeMonitor.connect('drive-connected',
Lang.bind(this,
this._onDriveConnected));
this._volumeMonitor.connect('drive-disconnected',
Lang.bind(this,
this._onDriveDisconnected));
this._volumeMonitor.connect('drive-eject-button',
Lang.bind(this,
this._onDriveEjectButton));
Mainloop.idle_add(Lang.bind(this, this._startupMountAll));
},
_InhibitorsChanged: function(object, senderName, [inhibtor]) {
this._session.IsInhibitedRemote(GNOME_SESSION_AUTOMOUNT_INHIBIT,
Lang.bind(this,
function(result, error) {
if (!error) {
this._inhibited = result[0];
}
}));
},
_lockStatusChanged: function(shield, locked) {
if (!locked) {
this._volumeQueue.forEach(Lang.bind(this, function(volume) {
this._checkAndMountVolume(volume);
}));
}
// clear the queue anyway
this._volumeQueue = [];
},
_startupMountAll: function() {
let volumes = this._volumeMonitor.get_volumes();
volumes.forEach(Lang.bind(this, function(volume) {
this._checkAndMountVolume(volume, { checkSession: false,
useMountOp: false,
allowAutorun: false });
}));
return false;
},
_onDriveConnected: function() {
// if we're not in the current ConsoleKit session,
// or screensaver is active, don't play sounds
if (!this._loginManager.sessionActive)
return;
if (Main.screenShield.locked)
return;
global.play_theme_sound(0, 'device-added-media');
},
_onDriveDisconnected: function() {
// if we're not in the current ConsoleKit session,
// or screensaver is active, don't play sounds
if (!this._loginManager.sessionActive)
return;
if (Main.screenShield.locked)
return;
global.play_theme_sound(0, 'device-removed-media');
},
_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._loginManager.sessionActive)
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._loginManager.sessionActive)
return;
if (Main.screenShield.locked) {
if (this._volumeQueue.indexOf(volume) == -1)
this._volumeQueue.push(volume);
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) {
Mainloop.timeout_add_seconds(AUTORUN_EXPIRE_TIMEOUT_SECS, function() {
volume.allowAutorun = false;
return false;
});
}
});