gnome-shell/js/ui/shellMountOperation.js

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Lang = imports.lang;
const Signals = imports.signals;
const Gio = imports.gi.Gio;
const Gtk = imports.gi.Gtk;
const Pango = imports.gi.Pango;
const St = imports.gi.St;
const Shell = imports.gi.Shell;
const Main = imports.ui.main;
const MessageTray = imports.ui.messageTray;
const ModalDialog = imports.ui.modalDialog;
const Params = imports.misc.params;
const LIST_ITEM_ICON_SIZE = 48;
/* ------ Common Utils ------- */
function _setLabelText(label, text) {
if (text) {
label.set_text(text);
label.show();
} else {
label.set_text('');
label.hide();
}
}
function _setButtonsForChoices(dialog, choices) {
let buttons = [];
for (let idx = 0; idx < choices.length; idx++) {
let button = idx;
buttons.unshift({ label: choices[idx],
action: Lang.bind(dialog, function() {
dialog.emit('response', button);
})});
}
dialog.setButtons(buttons);
}
function _setLabelsForMessage(dialog, message) {
let labels = message.split('\n');
_setLabelText(dialog.subjectLabel, labels[0]);
if (labels.length > 1)
_setLabelText(dialog.descriptionLabel, labels[1]);
}
function _createIcon(gicon) {
return new St.Icon({ gicon: gicon,
style_class: 'shell-mount-operation-icon' })
}
/* -------------------------------------------------------- */
const ListItem = new Lang.Class({
Name: 'ListItem',
_init: function(app) {
this._app = app;
let layout = new St.BoxLayout({ vertical: false});
this.actor = new St.Button({ style_class: 'show-processes-dialog-app-list-item',
can_focus: true,
child: layout,
reactive: true,
x_align: St.Align.START,
x_fill: true });
this._icon = this._app.create_icon_texture(LIST_ITEM_ICON_SIZE);
let iconBin = new St.Bin({ style_class: 'show-processes-dialog-app-list-item-icon',
child: this._icon });
layout.add(iconBin);
this._nameLabel = new St.Label({ text: this._app.get_name(),
style_class: 'show-processes-dialog-app-list-item-name' });
let labelBin = new St.Bin({ y_align: St.Align.MIDDLE,
child: this._nameLabel });
layout.add(labelBin);
this.actor.connect('clicked', Lang.bind(this, this._onClicked));
},
_onClicked: function() {
this.emit('activate');
this._app.activate();
}
});
Signals.addSignalMethods(ListItem.prototype);
const ShellMountOperation = new Lang.Class({
Name: 'ShellMountOperation',
_init: function(source, params) {
params = Params.parse(params, { reaskPassword: false });
this._reaskPassword = params.reaskPassword;
this._dialog = null;
this._processesDialog = null;
this.mountOp = new Shell.MountOperation();
this.mountOp.connect('ask-question',
Lang.bind(this, this._onAskQuestion));
this.mountOp.connect('ask-password',
Lang.bind(this, this._onAskPassword));
this.mountOp.connect('show-processes-2',
Lang.bind(this, this._onShowProcesses2));
this.mountOp.connect('aborted',
Lang.bind(this, this._onAborted));
this._gicon = source.get_icon();
},
_onAskQuestion: function(op, message, choices) {
this._dialog = new ShellMountQuestionDialog(this._gicon);
this._dialog.connect('response',
Lang.bind(this, function(object, choice) {
this.mountOp.set_choice(choice);
this.mountOp.reply(Gio.MountOperationResult.HANDLED);
this._dialog.close(global.get_current_time());
this._dialog = null;
}));
this._dialog.update(message, choices);
this._dialog.open(global.get_current_time());
},
_onAskPassword: function(op, message) {
this._notificationShowing = true;
this._source = new ShellMountPasswordSource(message, this._gicon, this._reaskPassword);
this._source.connect('password-ready',
Lang.bind(this, function(source, password) {
this.mountOp.set_password(password);
this.mountOp.reply(Gio.MountOperationResult.HANDLED);
this._notificationShowing = false;
this._source.destroy();
}));
this._source.connect('destroy',
Lang.bind(this, function() {
if (!this._notificationShowing)
return;
this._notificationShowing = false;
this.mountOp.reply(Gio.MountOperationResult.ABORTED);
}));
},
_onAborted: function(op) {
if (!this._dialog)
return;
this._dialog.close(global.get_current_time());
this._dialog = null;
},
_onShowProcesses2: function(op) {
let processes = op.get_show_processes_pids();
let choices = op.get_show_processes_choices();
let message = op.get_show_processes_message();
if (!this._processesDialog) {
this._processesDialog = new ShellProcessesDialog(this._gicon);
this._dialog = this._processesDialog;
this._processesDialog.connect('response',
Lang.bind(this, function(object, choice) {
if (choice == -1) {
this.mountOp.reply(Gio.MountOperationResult.ABORTED);
} else {
this.mountOp.set_choice(choice);
this.mountOp.reply(Gio.MountOperationResult.HANDLED);
}
this._processesDialog.close(global.get_current_time());
this._dialog = null;
}));
this._processesDialog.open(global.get_current_time());
}
this._processesDialog.update(message, processes, choices);
},
});
const ShellMountQuestionDialog = new Lang.Class({
Name: 'ShellMountQuestionDialog',
Extends: ModalDialog.ModalDialog,
_init: function(gicon) {
this.parent({ styleClass: 'mount-question-dialog' });
let mainContentLayout = new St.BoxLayout();
this.contentLayout.add(mainContentLayout, { x_fill: true,
y_fill: false });
this._iconBin = new St.Bin({ child: _createIcon(gicon) });
mainContentLayout.add(this._iconBin,
{ x_fill: true,
y_fill: false,
x_align: St.Align.END,
y_align: St.Align.MIDDLE });
let messageLayout = new St.BoxLayout({ vertical: true });
mainContentLayout.add(messageLayout,
{ y_align: St.Align.START });
this.subjectLabel = new St.Label({ style_class: 'mount-question-dialog-subject' });
this.subjectLabel.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
this.subjectLabel.clutter_text.line_wrap = true;
messageLayout.add(this.subjectLabel,
{ y_fill: false,
y_align: St.Align.START });
this.descriptionLabel = new St.Label({ style_class: 'mount-question-dialog-description' });
this.descriptionLabel.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
this.descriptionLabel.clutter_text.line_wrap = true;
messageLayout.add(this.descriptionLabel,
{ y_fill: true,
y_align: St.Align.START });
},
update: function(message, choices) {
_setLabelsForMessage(this, message);
_setButtonsForChoices(this, choices);
}
});
Signals.addSignalMethods(ShellMountQuestionDialog.prototype);
const ShellMountPasswordSource = new Lang.Class({
Name: 'ShellMountPasswordSource',
Extends: MessageTray.Source,
_init: function(message, gicon, reaskPassword) {
this._gicon = gicon;
let strings = message.split('\n');
this.parent(strings[0]);
this._notification = new ShellMountPasswordNotification(this, strings, reaskPassword);
// add ourselves as a source, and popup the notification
Main.messageTray.add(this);
this.notify(this._notification);
},
createNotificationIcon: function() {
return _createIcon(this._gicon);
},
});
Signals.addSignalMethods(ShellMountPasswordSource.prototype);
const ShellMountPasswordNotification = new Lang.Class({
Name: 'ShellMountPasswordNotification',
Extends: MessageTray.Notification,
_init: function(source, strings, reaskPassword) {
this.parent(source, strings[0], null, { customContent: true });
// set the notification to transient and urgent, so that it
// expands out
this.setTransient(true);
this.setUrgency(MessageTray.Urgency.CRITICAL);
if (strings[1])
this.addBody(strings[1]);
if (reaskPassword) {
let label = new St.Label({ style_class: 'mount-password-reask',
text: _("Wrong password, please try again") });
this.addActor(label);
}
this._responseEntry = new St.Entry({ style_class: 'mount-password-entry',
can_focus: true });
this.setActionArea(this._responseEntry);
this._responseEntry.clutter_text.connect('activate',
Lang.bind(this, this._onEntryActivated));
this._responseEntry.clutter_text.set_password_char('\u25cf'); // ● U+25CF BLACK CIRCLE
this._responseEntry.grab_key_focus();
},
_onEntryActivated: function() {
let text = this._responseEntry.get_text();
if (text == '')
return;
this.source.emit('password-ready', text);
}
});
const ShellProcessesDialog = new Lang.Class({
Name: 'ShellProcessesDialog',
Extends: ModalDialog.ModalDialog,
_init: function(gicon) {
this.parent({ styleClass: 'show-processes-dialog' });
let mainContentLayout = new St.BoxLayout();
this.contentLayout.add(mainContentLayout, { x_fill: true,
y_fill: false });
this._iconBin = new St.Bin({ child: _createIcon(gicon) });
mainContentLayout.add(this._iconBin,
{ x_fill: true,
y_fill: false,
x_align: St.Align.END,
y_align: St.Align.MIDDLE });
let messageLayout = new St.BoxLayout({ vertical: true });
mainContentLayout.add(messageLayout,
{ y_align: St.Align.START });
this.subjectLabel = new St.Label({ style_class: 'show-processes-dialog-subject' });
messageLayout.add(this.subjectLabel,
{ y_fill: false,
y_align: St.Align.START });
this.descriptionLabel = new St.Label({ style_class: 'show-processes-dialog-description' });
this.descriptionLabel.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
this.descriptionLabel.clutter_text.line_wrap = true;
messageLayout.add(this.descriptionLabel,
{ y_fill: true,
y_align: St.Align.START });
let scrollView = new St.ScrollView({ style_class: 'show-processes-dialog-app-list'});
scrollView.set_policy(Gtk.PolicyType.NEVER,
Gtk.PolicyType.AUTOMATIC);
this.contentLayout.add(scrollView,
{ x_fill: true,
y_fill: true });
scrollView.hide();
this._applicationList = new St.BoxLayout({ vertical: true });
scrollView.add_actor(this._applicationList,
{ x_fill: true,
y_fill: true,
x_align: St.Align.START,
y_align: St.Align.MIDDLE });
this._applicationList.connect('actor-added',
Lang.bind(this, function() {
if (this._applicationList.get_children().length == 1)
scrollView.show();
}));
this._applicationList.connect('actor-removed',
Lang.bind(this, function() {
if (this._applicationList.get_children().length == 0)
scrollView.hide();
}));
},
_setAppsForPids: function(pids) {
// remove all the items
this._applicationList.destroy_all_children();
pids.forEach(Lang.bind(this, function(pid) {
let tracker = Shell.WindowTracker.get_default();
let app = tracker.get_app_from_pid(pid);
if (!app)
return;
let item = new ListItem(app);
this._applicationList.add(item.actor, { x_fill: true });
item.connect('activate',
Lang.bind(this, function() {
// use -1 to indicate Cancel
this.emit('response', -1);
}));
}));
},
update: function(message, processes, choices) {
this._setAppsForPids(processes);
_setLabelsForMessage(this, message);
_setButtonsForChoices(this, choices);
}
});
Signals.addSignalMethods(ShellProcessesDialog.prototype);