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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
/* exported RemoteAccessApplet, ScreenRecordingIndicator, ScreenSharingIndicator */
const { Atk, Clutter, GLib, GObject, Meta, St } = imports.gi;
const Main = imports.ui.main;
const PanelMenu = imports.ui.panelMenu;
const {SystemIndicator} = imports.ui.quickSettings;
// Minimum amount of time the shared indicator is visible (in micro seconds)
const MIN_SHARED_INDICATOR_VISIBLE_TIME_US = 5 * GLib.TIME_SPAN_SECOND;
var RemoteAccessApplet = GObject.registerClass(
class RemoteAccessApplet extends SystemIndicator {
_init() {
super._init();
let controller = global.backend.get_remote_access_controller();
if (!controller)
return;
this._handles = new Set();
this._indicator = this._addIndicator();
this._indicator.icon_name = 'media-record-symbolic';
this._indicator.add_style_class_name('screencast-indicator');
controller.connect('new-handle', (o, handle) => {
this._onNewHandle(handle);
});
this._sync();
}
_isRecording() {
// Screenshot UI screencasts have their own panel, so don't show this
// indicator if there's only a screenshot UI screencast.
if (Main.screenshotUI.screencast_in_progress)
return this._handles.size > 1;
return this._handles.size > 0;
}
_sync() {
this._indicator.visible = this._isRecording();
}
_onStopped(handle) {
this._handles.delete(handle);
this._sync();
}
_onNewHandle(handle) {
if (!handle.is_recording)
return;
this._handles.add(handle);
handle.connect('stopped', this._onStopped.bind(this));
this._sync();
}
});
var ScreenRecordingIndicator = GObject.registerClass({
Signals: { 'menu-set': {} },
}, class ScreenRecordingIndicator extends PanelMenu.ButtonBox {
_init() {
super._init({
reactive: true,
can_focus: true,
track_hover: true,
accessible_name: _('Stop Screencast'),
accessible_role: Atk.Role.PUSH_BUTTON,
});
this.add_style_class_name('screen-recording-indicator');
this._box = new St.BoxLayout();
this.add_child(this._box);
this._label = new St.Label({
text: '0:00',
y_align: Clutter.ActorAlign.CENTER,
});
this._box.add_child(this._label);
this._icon = new St.Icon({ icon_name: 'stop-symbolic' });
this._box.add_child(this._icon);
this.hide();
Main.screenshotUI.connect(
'notify::screencast-in-progress',
this._onScreencastInProgressChanged.bind(this));
}
vfunc_event(event) {
if (event.type() === Clutter.EventType.TOUCH_BEGIN ||
event.type() === Clutter.EventType.BUTTON_PRESS)
Main.screenshotUI.stopScreencast();
return Clutter.EVENT_PROPAGATE;
}
_updateLabel() {
const minutes = this._secondsPassed / 60;
const seconds = this._secondsPassed % 60;
this._label.text = '%d:%02d'.format(minutes, seconds);
}
_onScreencastInProgressChanged() {
if (Main.screenshotUI.screencast_in_progress) {
this.show();
this._secondsPassed = 0;
this._updateLabel();
this._timeoutId = GLib.timeout_add(GLib.PRIORITY_DEFAULT, 1000, () => {
this._secondsPassed += 1;
this._updateLabel();
return GLib.SOURCE_CONTINUE;
});
GLib.Source.set_name_by_id(
this._timeoutId, '[gnome-shell] screen recording indicator tick');
} else {
this.hide();
GLib.source_remove(this._timeoutId);
delete this._timeoutId;
delete this._secondsPassed;
}
}
});
var ScreenSharingIndicator = GObject.registerClass({
Signals: {'menu-set': {}},
}, class ScreenSharingIndicator extends PanelMenu.ButtonBox {
_init() {
super._init({
reactive: true,
can_focus: true,
track_hover: true,
accessible_name: _('Stop Screen Sharing'),
accessible_role: Atk.Role.PUSH_BUTTON,
});
this.add_style_class_name('screen-sharing-indicator');
this._box = new St.BoxLayout();
this.add_child(this._box);
let icon = new St.Icon({icon_name: 'screen-shared-symbolic'});
this._box.add_child(icon);
icon = new St.Icon({icon_name: 'window-close-symbolic'});
this._box.add_child(icon);
this._controller = global.backend.get_remote_access_controller();
this._handles = new Set();
this._controller?.connect('new-handle',
(o, handle) => this._onNewHandle(handle));
this._sync();
}
_onNewHandle(handle) {
// We can't possibly know about all types of screen sharing on X11, so
// showing these controls on X11 might give a false sense of security.
// Thus, only enable these controls when using Wayland, where we are
// in control of sharing.
if (!Meta.is_wayland_compositor())
return;
if (handle.isRecording)
return;
this._handles.add(handle);
handle.connect('stopped', () => {
this._handles.delete(handle);
this._sync();
});
this._sync();
}
vfunc_event(event) {
if (event.type() === Clutter.EventType.TOUCH_BEGIN ||
event.type() === Clutter.EventType.BUTTON_PRESS)
this._stopSharing();
return Clutter.EVENT_PROPAGATE;
}
_stopSharing() {
for (const handle of this._handles)
handle.stop();
}
_hideIndicator() {
this.hide();
delete this._hideIndicatorId;
return GLib.SOURCE_REMOVE;
}
_sync() {
if (this._hideIndicatorId) {
GLib.source_remove(this._hideIndicatorId);
delete this._hideIndicatorId;
}
if (this._handles.size > 0) {
if (!this.visible)
this._visibleTimeUs = GLib.get_monotonic_time();
this.show();
} else if (this.visible) {
const currentTimeUs = GLib.get_monotonic_time();
const timeSinceVisibleUs = currentTimeUs - this._visibleTimeUs;
if (timeSinceVisibleUs >= MIN_SHARED_INDICATOR_VISIBLE_TIME_US) {
this._hideIndicator();
} else {
const timeUntilHideUs =
MIN_SHARED_INDICATOR_VISIBLE_TIME_US - timeSinceVisibleUs;
this._hideIndicatorId =
GLib.timeout_add(GLib.PRIORITY_DEFAULT,
timeUntilHideUs / GLib.TIME_SPAN_MILLISECOND,
() => this._hideIndicator());
}
}
}
});
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