gnome-shell/js/ui/automountManager.js

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/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
const Lang = imports.lang;
const DBus = imports.dbus;
const Mainloop = imports.mainloop;
const Gio = imports.gi.Gio;
const Params = imports.misc.params;
const Main = imports.ui.main;
const ShellMountOperation = imports.ui.shellMountOperation;
const ScreenSaver = imports.misc.screenSaver;
// GSettings keys
const SETTINGS_SCHEMA = 'org.gnome.desktop.media-handling';
const SETTING_ENABLE_AUTOMOUNT = 'automount';
const AUTORUN_EXPIRE_TIMEOUT_SECS = 10;
const ConsoleKitSessionIface = {
name: 'org.freedesktop.ConsoleKit.Session',
methods: [{ name: 'IsActive',
inSignature: '',
outSignature: 'b' }],
signals: [{ name: 'ActiveChanged',
inSignature: 'b' }]
};
const ConsoleKitSessionProxy = DBus.makeProxyClass(ConsoleKitSessionIface);
const ConsoleKitManagerIface = {
name: 'org.freedesktop.ConsoleKit.Manager',
methods: [{ name: 'GetCurrentSession',
inSignature: '',
outSignature: 'o' }]
};
function ConsoleKitManager() {
this._init();
};
ConsoleKitManager.prototype = {
_init: function() {
this.sessionActive = true;
DBus.system.proxifyObject(this,
'org.freedesktop.ConsoleKit',
'/org/freedesktop/ConsoleKit/Manager');
DBus.system.watch_name('org.freedesktop.ConsoleKit',
false, // do not launch a name-owner if none exists
Lang.bind(this, this._onManagerAppeared),
Lang.bind(this, this._onManagerVanished));
},
_onManagerAppeared: function(owner) {
this.GetCurrentSessionRemote(Lang.bind(this, this._onCurrentSession));
},
_onManagerVanished: function(oldOwner) {
this.sessionActive = true;
},
_onCurrentSession: function(session) {
this._ckSession = new ConsoleKitSessionProxy(DBus.system, 'org.freedesktop.ConsoleKit', session);
this._ckSession.connect
('ActiveChanged', Lang.bind(this, function(object, isActive) {
this.sessionActive = isActive;
}));
this._ckSession.IsActiveRemote(Lang.bind(this, function(isActive) {
this.sessionActive = isActive;
}));
}
};
DBus.proxifyPrototype(ConsoleKitManager.prototype, ConsoleKitManagerIface);
function AutomountManager() {
this._init();
}
AutomountManager.prototype = {
_init: function() {
this._settings = new Gio.Settings({ schema: SETTINGS_SCHEMA });
this._volumeQueue = [];
this.ckListener = new ConsoleKitManager();
this._ssProxy = new ScreenSaver.ScreenSaverProxy();
this._ssProxy.connect('ActiveChanged',
Lang.bind(this,
this._screenSaverActiveChanged));
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));
},
_screenSaverActiveChanged: function(object, isActive) {
if (!isActive) {
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 });
}));
return false;
},
_onDriveConnected: function() {
// if we're not in the current ConsoleKit session,
// or screensaver is active, don't play sounds
if (!this.ckListener.sessionActive)
return;
if (this._ssProxy.screenSaverActive)
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.ckListener.sessionActive)
return;
if (this._ssProxy.screenSaverActive)
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.ckListener.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 });
if (params.checkSession) {
// if we're not in the current ConsoleKit session,
// don't attempt automount
if (!this.ckListener.sessionActive)
return;
if (this._ssProxy.screenSaverActive) {
if (this._volumeQueue.indexOf(volume) == -1)
this._volumeQueue.push(volume);
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.mountOp);
} else {
this._mountVolume(volume, null);
}
},
_mountVolume: function(volume, operation) {
this._allowAutorun(volume);
volume.mount(0, operation, null,
Lang.bind(this, this._onVolumeMounted));
},
_onVolumeMounted: function(volume, res) {
this._allowAutorunExpire(volume);
try {
volume.mount_finish(res);
} catch (e) {
let string = e.toString();
// FIXME: needs proper error code handling instead of this
// See https://bugzilla.gnome.org/show_bug.cgi?id=591480
if (string.indexOf('No key available with this passphrase') != -1)
this._reaskPassword(volume);
else
log('Unable to mount volume ' + volume.get_name() + ': ' + string);
}
},
_onVolumeRemoved: function(monitor, volume) {
this._volumeQueue =
this._volumeQueue.filter(function(element) {
return (element != volume);
});
},
_reaskPassword: function(volume) {
let operation = new ShellMountOperation.ShellMountOperation(volume, { reaskPassword: true });
this._mountVolume(volume, operation.mountOp);
},
_allowAutorun: function(volume) {
volume.allowAutorun = true;
},
_allowAutorunExpire: function(volume) {
Mainloop.timeout_add_seconds(AUTORUN_EXPIRE_TIMEOUT_SECS, function() {
volume.allowAutorun = false;
return false;
});
}
}