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PREFIX ?= $(HOME)/.local
BINDIR = $(PREFIX)/bin
EXTENSIONDIR = $(HOME)/.local/share/gnome-shell/extensions/
SERVICEDIR = $(HOME)/.config/systemd/user
DESKTOPDIR = $(HOME)/.local/share/applications
EXTENTION = "app-tracker@local"
.PHONY: all install install-extension install-daemon install-viewer uninstall
all:
@echo "usage: make install"
@echo " make uninstall"
@echo " make enable"
install: install-extension install-daemon install-viewer
install-extension:
mkdir -p $(EXTENSIONDIR)
cp $(EXTENSION)/extension.js $(EXTENSIONDIR)/$(EXTENSION)
cp $(EXTENSION)/metadata.json $(EXTENSIONDIR)/$(EXTENSION)
install-daemon:
mkdir -p $(BINDIR)
cp screentimed $(BINDIR)/screentimed
chmod +x $(BINDIR)/screentimed
mkdir -p $(SERVICEDIR)
cp screentimed.service $(SERVICEDIR)/
install-viewer:
mkdir -p $(BINDIR)
cp screentime-viewer $(BINDIR)/screentime-viewer
chmod +x $(BINDIR)/screentime-viewer
mkdir -p $(DESKTOPDIR)
cp screentime-viewer.desktop $(DESKTOPDIR)/
uninstall:
systemctl --user disable --now screentimed || true
gnome-extensions disable $(EXTENSION) || true
rm -v $(BINDIR)/screentimed
rm -v $(BINDIR)/screentime-viewer
rm -v $(SERVICEDIR)/screentimed.service
rm -v $(DESKTOPDIR)/screentime-viewer.desktop
rm -rv $(EXTENSIONDIR)/$(EXTENSION)
systemctl --user daemon-reload
@echo "uninstalled."

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import GLib from 'gi://GLib';
import Gio from 'gi://Gio';
import Shell from 'gi://Shell';
import {Extension} from 'resource:///org/gnome/shell/extensions/extension.js';
const IFACE = `<node>
<interface name="org.gnome.Shell.UsageTracker">
<signal name="FocusChanged">
<arg name="app_id" type="s"/>
</signal>
<signal name="RunningAppsChanged">
<arg name="app_ids" type="as"/>
</signal>
<method name="GetFocus">
<arg direction="out" name="app_id" type="s"/>
</method>
<method name="GetRunningApps">
<arg direction="out" name="app_ids" type="as"/>
</method>
</interface>
</node>`;
export default class FocusTracker extends Extension {
enable() {
this._currentApp = '';
this._tracker = Shell.WindowTracker.get_default();
this._appSystem = Shell.AppSystem.get_default();
this._dbus = Gio.DBusExportedObject.wrapJSObject(IFACE, this);
this._dbus.export(Gio.DBus.session, '/org/gnome/Shell/UsageTracker');
this._focusSig = this._tracker.connect('notify::focus-app', () => {
const id = this._resolveFocusId();
if (id !== this._currentApp) {
this._currentApp = id;
this._dbus.emit_signal('FocusChanged',
new GLib.Variant('(s)', [id]));
}
});
this._appSig = this._appSystem.connect('app-state-changed', () => {
const ids = this._appSystem.get_running().map(a => this._resolveAppId(a));
this._dbus.emit_signal('RunningAppsChanged',
new GLib.Variant('(as)', [ids]));
});
}
_resolveFocusId() {
const app = this._tracker.focus_app;
if (!app)
return '';
return this._resolveAppId(app);
}
_resolveAppId(app) {
const id = app.get_id();
if (id.endsWith('.desktop'))
return id;
// fallback: use window class
const windows = app.get_windows();
if (windows.length > 0) {
const wmClass = windows[0].get_wm_class();
if (wmClass)
return `${wmClass}.desktop`;
}
return id;
}
disable() {
this._tracker.disconnect(this._focusSig);
this._appSystem.disconnect(this._appSig);
this._dbus.unexport();
this._dbus = null;
}
GetFocus() {
return this._currentApp;
}
GetRunningApps() {
return this._appSystem.get_running().map(a => this._resolveAppId(a));
}
}

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{
"uuid": "app-tracker@local",
"name": "Application Tracker",
"description": "Exposes active app over D-Bus",
"shell-version": ["48", "49", "50"],
"version": 1
}

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#!/usr/bin/python3 -sP
import sys
from datetime import date, timedelta
import gi
gi.require_version('Gtk', '4.0')
gi.require_version('Adw', '1')
gi.require_version('Gio', '2.0')
gi.require_version('GLib', '2.0')
try:
gi.require_version('GioUnix', '2.0')
from gi.repository import GioUnix
_DesktopAppInfo = GioUnix.DesktopAppInfo
except (ValueError, ImportError):
from gi.repository import Gio as _Gio
_DesktopAppInfo = _Gio.DesktopAppInfo
from gi.repository import Gtk, Adw, Gio, GLib, Gdk
SCREENTIMED_BUS = 'org.gnome.ScreenTime'
SCREENTIMED_PATH = '/org/gnome/ScreenTime'
SCREENTIMED_IFACE = 'org.gnome.ScreenTime'
def format_duration(seconds):
if seconds < 60:
return f'{seconds}s'
m, s = divmod(seconds, 60)
h, m = divmod(m, 60)
if h:
return f'{h}h {m}m'
return f'{m}m'
def get_app_info(app_id):
"""Return (display_name, icon) from .desktop file, with fallbacks."""
if not app_id.endswith('.desktop'):
return None, None # not a real app
try:
info = _DesktopAppInfo.new(app_id)
if info:
name = info.get_display_name() or info.get_name()
icon = info.get_icon()
return name, icon
except Exception:
pass
name = app_id.replace('.desktop', '').split('.')[-1]
return name, None
def merge_unknown(usage):
"""Collapse entries without .desktop into a single 'Unknown' entry."""
merged = {}
unknown = 0
for app_id, secs in usage.items():
if app_id.endswith('.desktop'):
merged[app_id] = secs
else:
unknown += secs
if unknown:
merged['__unknown__'] = unknown
return merged
# ── D-Bus client ──────────────────────────────────────────
class ScreenTimeClient:
def __init__(self):
self.bus = Gio.bus_get_sync(Gio.BusType.SESSION)
def _call(self, method, args=None, reply_type=None):
try:
result = self.bus.call_sync(
SCREENTIMED_BUS, SCREENTIMED_PATH, SCREENTIMED_IFACE,
method,
args, GLib.VariantType(reply_type) if reply_type else None,
Gio.DBusCallFlags.NONE, -1, None)
return result.unpack()
except GLib.Error as e:
print(f'D-Bus error: {e.message}', file=sys.stderr)
return None
def get_usage(self, date_str):
r = self._call('GetUsage', GLib.Variant('(s)', (date_str,)),
'(a{su}a{su})')
if r:
return dict(r[0]), dict(r[1])
return {}, {}
def get_usage_by_hour(self, date_str):
r = self._call('GetUsageByHour', GLib.Variant('(s)', (date_str,)),
'(aa{su}aa{su})')
if r:
return [dict(h) for h in r[0]], [dict(h) for h in r[1]]
return [{} for _ in range(24)], [{} for _ in range(24)]
# ── Hourly bar chart ──────────────────────────────────────
class HourlyChart(Gtk.DrawingArea):
def __init__(self):
super().__init__()
self.focused_hours = [{} for _ in range(24)]
self.running_hours = [{} for _ in range(24)]
self.set_content_height(110)
self.set_draw_func(self._draw)
self.set_has_tooltip(True)
self.connect('query-tooltip', self._on_tooltip)
def set_data(self, focused_hours, running_hours):
self.focused_hours = focused_hours
self.running_hours = running_hours
self.queue_draw()
def _on_tooltip(self, widget, x, y, keyboard, tooltip):
width = self.get_width()
h = int((x / width) * 24)
h = max(0, min(23, h))
focused = self.focused_hours[h]
running = self.running_hours[h]
if not sum(focused.values()) and not sum(running.values()):
return False
lines = [f'<b>{h:02d}:00 {h + 1:02d}:00</b>']
all_apps = set(focused.keys()) | set(running.keys())
sorted_apps = sorted(all_apps,
key=lambda a: focused.get(a, 0),
reverse=True)
for app_id in sorted_apps[:6]:
f = focused.get(app_id, 0)
r = running.get(app_id, 0)
if app_id.endswith('.desktop'):
name, _ = get_app_info(app_id)
name = name or app_id
else:
name = 'Unknown'
if r > f + 30:
lines.append(f'{name}: {format_duration(f)} / {format_duration(r)}')
elif f:
lines.append(f'{name}: {format_duration(f)}')
elif r:
lines.append(f'{name}: running {format_duration(r)}')
tooltip.set_markup('\n'.join(lines))
return True
def _get_colors(self):
"""Get accent and foreground RGBA for Cairo drawing."""
fg = self.get_color() # GTK4.10+
# try Adw 1.6+ accent API
accent = None
try:
sm = Adw.StyleManager.get_default()
ac = sm.get_accent_color()
accent = ac.to_rgba(sm.get_dark())
except (AttributeError, TypeError):
pass
if accent is None:
accent = Gdk.RGBA()
accent.parse('#3584e4')
return accent, fg
def _draw(self, area, cr, width, height):
f_totals = [sum(h.values()) for h in self.focused_hours]
r_totals = [sum(h.values()) for h in self.running_hours]
peak = max(max(r_totals), max(f_totals), 1)
bar_w = width / 24
pad = 2
label_h = 14
chart_h = height - label_h
accent, fg = self._get_colors()
# running bars
cr.set_source_rgba(accent.red, accent.green, accent.blue, 0.2)
for i, total in enumerate(r_totals):
if total == 0:
continue
bar_h = (total / peak) * (chart_h - 4)
cr.rectangle(i * bar_w + pad, chart_h - bar_h,
bar_w - pad * 2, bar_h)
cr.fill()
# focused bars
cr.set_source_rgba(accent.red, accent.green, accent.blue, 0.85)
for i, total in enumerate(f_totals):
if total == 0:
continue
bar_h = (total / peak) * (chart_h - 4)
cr.rectangle(i * bar_w + pad, chart_h - bar_h,
bar_w - pad * 2, bar_h)
cr.fill()
# labels
cr.set_source_rgba(fg.red, fg.green, fg.blue, 0.5)
cr.set_font_size(9)
for i in (0, 6, 12, 18):
cr.move_to(i * bar_w + bar_w / 2 - 6, height - 2)
cr.show_text(f'{i:02d}')
# ── App usage row ─────────────────────────────────────────
class AppUsageRow(Adw.ActionRow):
def __init__(self, app_id, focused_secs, running_secs, max_running):
super().__init__()
if app_id == '__unknown__':
name = 'Unknown'
icon = None
self.set_subtitle('Apps without .desktop entries')
else:
name, icon = get_app_info(app_id)
self.set_subtitle(app_id)
self.set_title(name or app_id)
if icon:
img = Gtk.Image.new_from_gicon(icon)
img.set_pixel_size(32)
self.add_prefix(img)
else:
img = Gtk.Image.new_from_icon_name('application-x-executable-symbolic')
img.set_pixel_size(32)
self.add_prefix(img)
box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=4)
box.set_valign(Gtk.Align.CENTER)
BAR_W = 100
r_frac = min(1.0, running_secs / max_running) if max_running else 0
f_frac = min(1.0, focused_secs / max_running) if max_running else 0
bar_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=2)
bar_box.set_size_request(BAR_W, -1)
f_bar = Gtk.Box()
f_bar.set_size_request(max(2, int(BAR_W * f_frac)), 6)
f_bar.set_halign(Gtk.Align.START)
f_bar.add_css_class('usage-bar-focused')
bar_box.append(f_bar)
if running_secs > focused_secs + 30:
r_bar = Gtk.Box()
r_bar.set_size_request(max(2, int(BAR_W * r_frac)), 4)
r_bar.set_halign(Gtk.Align.START)
r_bar.add_css_class('usage-bar-running')
bar_box.append(r_bar)
box.append(bar_box)
label_box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=6)
f_label = Gtk.Label(label=format_duration(focused_secs))
f_label.add_css_class('caption')
label_box.append(f_label)
if running_secs > focused_secs + 30:
r_label = Gtk.Label(label=f'/ {format_duration(running_secs)}')
r_label.add_css_class('caption')
r_label.add_css_class('dim-label')
label_box.append(r_label)
box.append(label_box)
self.add_suffix(box)
# ── Main window ───────────────────────────────────────────
class ScreenTimeWindow(Adw.ApplicationWindow):
def __init__(self, app):
super().__init__(application=app, title='Screen Time',
default_width=420, default_height=600)
self.client = ScreenTimeClient()
self.current_date = date.today()
css = Gtk.CssProvider()
css.load_from_string('''
.usage-bar-focused {
background: @accent_bg_color;
border-radius: 3px;
min-height: 6px;
}
.usage-bar-running {
background: alpha(@accent_bg_color, 0.3);
border-radius: 3px;
min-height: 4px;
}
.total-time {
font-size: 2em;
font-weight: 800;
}
''')
Gtk.StyleContext.add_provider_for_display(
Gdk.Display.get_default(), css,
Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION)
toolbar = Adw.ToolbarView()
header = Adw.HeaderBar()
toolbar.add_top_bar(header)
# navigation
nav_box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=8)
nav_box.set_halign(Gtk.Align.CENTER)
prev_btn = Gtk.Button(icon_name='go-previous-symbolic')
prev_btn.connect('clicked', lambda _: self._change_date(-1))
nav_box.append(prev_btn)
self.date_label = Gtk.Label()
self.date_label.add_css_class('title-4')
nav_box.append(self.date_label)
next_btn = Gtk.Button(icon_name='go-next-symbolic')
next_btn.connect('clicked', lambda _: self._change_date(1))
nav_box.append(next_btn)
header.set_title_widget(nav_box)
# content
scroll = Gtk.ScrolledWindow(vexpand=True)
scroll.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
self.content = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=0)
self.content.set_margin_start(16)
self.content.set_margin_end(16)
self.content.set_margin_top(16)
self.content.set_margin_bottom(16)
scroll.set_child(self.content)
toolbar.set_content(scroll)
# total
self.total_label = Gtk.Label()
self.total_label.add_css_class('total-time')
self.total_label.set_margin_bottom(4)
self.content.append(self.total_label)
self.total_sub = Gtk.Label()
self.total_sub.add_css_class('dim-label')
self.total_sub.set_margin_bottom(16)
self.content.append(self.total_sub)
# hourly chart
hr_group = Adw.PreferencesGroup(title='Hourly')
self.hourly = HourlyChart()
hr_group.add(self.hourly)
self.content.append(hr_group)
# app list
self.app_group = Adw.PreferencesGroup(title='Apps')
self.app_group.set_margin_top(16)
self.content.append(self.app_group)
self.set_content(toolbar)
self._refresh()
def _change_date(self, delta):
self.current_date += timedelta(days=delta)
self._refresh()
def _refresh(self):
date_str = self.current_date.isoformat()
if self.current_date == date.today():
self.date_label.set_label('Today')
elif self.current_date == date.today() - timedelta(days=1):
self.date_label.set_label('Yesterday')
else:
self.date_label.set_label(
self.current_date.strftime('%a, %b %-d'))
focused, running = self.client.get_usage(date_str)
focused = merge_unknown(focused)
running = merge_unknown(running)
f_hours, r_hours = self.client.get_usage_by_hour(date_str)
# totals
total_focused = sum(focused.values())
total_running = sum(running.values())
self.total_label.set_label(format_duration(total_focused))
if total_running > total_focused + 60:
self.total_sub.set_label(
f'{format_duration(total_running)} total running')
self.total_sub.set_visible(True)
else:
self.total_sub.set_visible(False)
# hourly
self.hourly.set_data(f_hours, r_hours)
# app list
self.content.remove(self.app_group)
self.app_group = Adw.PreferencesGroup(title='Apps')
self.app_group.set_margin_top(16)
self.content.append(self.app_group)
all_apps = set(focused.keys()) | set(running.keys())
sorted_apps = sorted(all_apps,
key=lambda a: focused.get(a, 0),
reverse=True)
max_running = max(running.values()) if running else 1
for app_id in sorted_apps:
f = focused.get(app_id, 0)
r = running.get(app_id, 0)
if r < 1 and f < 1:
continue
row = AppUsageRow(app_id, f, r, max_running)
self.app_group.add(row)
# ── App ───────────────────────────────────────────────────
class ScreenTimeApp(Adw.Application):
def __init__(self):
super().__init__(application_id='org.gnome.ScreenTime.Viewer')
def do_activate(self):
win = self.get_active_window()
if not win:
win = ScreenTimeWindow(self)
win.present()
if __name__ == '__main__':
app = ScreenTimeApp()
app.run(sys.argv)

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#!/usr/bin/python3 -sP
import logging
import os
import signal
import sqlite3
import time
import gi
gi.require_version('Gio', '2.0')
gi.require_version('GLib', '2.0')
from gi.repository import Gio, GLib
log = logging.getLogger('screentimed')
DB_DIR = os.path.join(GLib.get_user_data_dir(), 'screentime')
DB_PATH = os.path.join(DB_DIR, 'usage.db')
FLUSH_INTERVAL = 60
TRACKER_BUS = 'org.gnome.Shell'
TRACKER_IFACE = 'org.gnome.Shell.UsageTracker'
TRACKER_PATH = '/org/gnome/Shell/UsageTracker'
SCREENTIMED_BUS = 'org.gnome.ScreenTime'
SCREENTIMED_PATH = '/org/gnome/ScreenTime'
SCREENTIMED_IFACE_XML = '''<node>
<interface name="org.gnome.ScreenTime">
<method name="GetUsage">
<arg direction="in" name="date" type="s"/>
<arg direction="out" name="focused" type="a{su}"/>
<arg direction="out" name="running" type="a{su}"/>
</method>
<method name="GetUsageToday">
<arg direction="out" name="focused" type="a{su}"/>
<arg direction="out" name="running" type="a{su}"/>
</method>
<method name="GetUsageByHour">
<arg direction="in" name="date" type="s"/>
<arg direction="out" name="focused" type="aa{su}"/>
<arg direction="out" name="running" type="aa{su}"/>
</method>
<method name="GetTimeline">
<arg direction="in" name="date" type="s"/>
<arg direction="out" name="focused" type="a(sdd)"/>
<arg direction="out" name="running" type="a(sdd)"/>
</method>
</interface>
</node>'''
# ── database ──────────────────────────────────────────────
def open_db():
os.makedirs(DB_DIR, exist_ok=True)
db = sqlite3.connect(DB_PATH)
db.execute('PRAGMA journal_mode=WAL')
db.execute('''
CREATE TABLE IF NOT EXISTS focus_sessions (
id INTEGER PRIMARY KEY,
app_id TEXT NOT NULL,
start_ts REAL NOT NULL,
end_ts REAL NOT NULL
)
''')
db.execute('''
CREATE TABLE IF NOT EXISTS running_sessions (
id INTEGER PRIMARY KEY,
app_id TEXT NOT NULL,
start_ts REAL NOT NULL,
end_ts REAL NOT NULL
)
''')
db.execute('''
CREATE INDEX IF NOT EXISTS idx_focus_time
ON focus_sessions (start_ts, end_ts)
''')
db.execute('''
CREATE INDEX IF NOT EXISTS idx_running_time
ON running_sessions (start_ts, end_ts)
''')
# migrate from old schema
try:
db.execute('''
INSERT INTO focus_sessions (app_id, start_ts, end_ts)
SELECT app_id, start_ts, end_ts FROM sessions
''')
db.execute('DROP TABLE sessions')
db.commit()
log.info('migrated old sessions table')
except sqlite3.OperationalError:
pass
db.commit()
return db
def _date_to_ts(date):
return time.mktime(time.strptime(date, '%Y-%m-%d'))
def _day_range(date):
start = _date_to_ts(date)
return start, start + 86400
def _query_db(db, table, date):
return db.execute(f'''
SELECT app_id, start_ts, end_ts
FROM {table}
WHERE end_ts > unixepoch(:date)
AND start_ts < unixepoch(:date, '+1 day')
''', {'date': date}).fetchall()
def _aggregate_daily(sessions, day_start, day_end):
usage = {}
for app_id, start, end in sessions:
overlap = min(end, day_end) - max(start, day_start)
if overlap > 0:
usage[app_id] = usage.get(app_id, 0) + int(overlap)
return usage
def _aggregate_hourly(sessions, day_start):
hours = [{} for _ in range(24)]
for app_id, start, end in sessions:
for h in range(24):
h_start = day_start + h * 3600
h_end = h_start + 3600
overlap = min(end, h_end) - max(start, h_start)
if overlap > 0:
hours[h][app_id] = hours[h].get(app_id, 0) + int(overlap)
return hours
def _clip_to_day(sessions, day_start, day_end):
"""Return (app_id, clipped_start, clipped_end) tuples."""
out = []
for app_id, start, end in sessions:
s = max(start, day_start)
e = min(end, day_end)
if e > s:
out.append((app_id, s, e))
return out
# ── tracker ───────────────────────────────────────────────
class Tracker:
def __init__(self, db):
self.db = db
self.focus_buf = []
self.running_buf = []
self.current_app = ''
self.session_start = time.time()
self.mono_start = time.monotonic()
self.running_apps = {} # app_id -> (wall_start, mono_start)
self.idle = False
self.flush_timer_id = 0
# ── focus ──
def on_focus_changed(self, app_id):
if self.idle:
return
self._close_focus()
self.current_app = app_id
self.session_start = time.time()
self.mono_start = time.monotonic()
log.debug('focus: %s', app_id or '(none)')
def _close_focus(self):
elapsed = time.monotonic() - self.mono_start
if not self.current_app or elapsed < 1:
return
end_ts = self.session_start + elapsed
self.focus_buf.append((self.current_app, self.session_start, end_ts))
# ── running ──
def on_running_changed(self, app_ids):
now_wall = time.time()
now_mono = time.monotonic()
current = set(app_ids)
previous = set(self.running_apps.keys())
# closed apps
for app_id in previous - current:
wall_start, mono_start = self.running_apps.pop(app_id)
end_ts = wall_start + (now_mono - mono_start)
if end_ts - wall_start >= 1:
self.running_buf.append((app_id, wall_start, end_ts))
log.debug('closed: %s', app_id)
# new apps
for app_id in current - previous:
self.running_apps[app_id] = (now_wall, now_mono)
log.debug('opened: %s', app_id)
def _close_all_running(self):
now_wall = time.time()
now_mono = time.monotonic()
for app_id, (wall_start, mono_start) in self.running_apps.items():
end_ts = wall_start + (now_mono - mono_start)
if end_ts - wall_start >= 1:
self.running_buf.append((app_id, wall_start, end_ts))
# reopen immediately
for app_id in list(self.running_apps):
self.running_apps[app_id] = (now_wall, now_mono)
# ── idle ──
def on_idle(self):
if self.idle:
return
self._close_focus()
self._close_all_running()
self.idle = True
self._flush_to_db()
self._stop_timer()
log.debug('idle (locked/blank)')
def on_active(self):
if not self.idle:
return
self.idle = False
now_wall = time.time()
now_mono = time.monotonic()
self.session_start = now_wall
self.mono_start = now_mono
# reopen running timestamps
for app_id in list(self.running_apps):
self.running_apps[app_id] = (now_wall, now_mono)
self._start_timer()
log.debug('active (unlocked)')
# ── flush ──
def flush(self):
if self.idle:
return
self._close_focus()
self._close_all_running()
self._flush_to_db()
self.session_start = time.time()
self.mono_start = time.monotonic()
def _flush_to_db(self):
if not self.focus_buf and not self.running_buf:
return
if self.focus_buf:
self.db.executemany(
'INSERT INTO focus_sessions (app_id, start_ts, end_ts) VALUES (?, ?, ?)',
self.focus_buf)
if self.running_buf:
self.db.executemany(
'INSERT INTO running_sessions (app_id, start_ts, end_ts) VALUES (?, ?, ?)',
self.running_buf)
self.db.commit()
log.debug('flushed %d focus + %d running',
len(self.focus_buf), len(self.running_buf))
self.focus_buf.clear()
self.running_buf.clear()
def _start_timer(self):
if self.flush_timer_id == 0:
self.flush_timer_id = GLib.timeout_add_seconds(
FLUSH_INTERVAL, self._on_timer)
def _stop_timer(self):
if self.flush_timer_id != 0:
GLib.source_remove(self.flush_timer_id)
self.flush_timer_id = 0
def _on_timer(self):
self.flush()
return True
# ── queries ──
def _all_sessions(self, table, buf, date):
day_start, day_end = _day_range(date)
sessions = _query_db(self.db, table, date)
for s in buf:
if s[2] > day_start and s[1] < day_end:
sessions.append(s)
return sessions
def _all_focus(self, date):
sessions = self._all_sessions('focus_sessions', self.focus_buf, date)
# add live focus
if not self.idle and self.current_app:
elapsed = time.monotonic() - self.mono_start
end_ts = self.session_start + elapsed
day_start, day_end = _day_range(date)
if end_ts > day_start and self.session_start < day_end:
sessions.append((self.current_app, self.session_start, end_ts))
return sessions
def _all_running(self, date):
sessions = self._all_sessions('running_sessions', self.running_buf, date)
# add live running
if not self.idle:
now_mono = time.monotonic()
day_start, day_end = _day_range(date)
for app_id, (wall_start, mono_start) in self.running_apps.items():
end_ts = wall_start + (now_mono - mono_start)
if end_ts > day_start and wall_start < day_end:
sessions.append((app_id, wall_start, end_ts))
return sessions
def get_usage(self, date):
day_start, day_end = _day_range(date)
focused = _aggregate_daily(self._all_focus(date), day_start, day_end)
running = _aggregate_daily(self._all_running(date), day_start, day_end)
return focused, running
def get_usage_by_hour(self, date):
day_start, _ = _day_range(date)
focused = _aggregate_hourly(self._all_focus(date), day_start)
running = _aggregate_hourly(self._all_running(date), day_start)
return focused, running
def get_timeline(self, date):
day_start, day_end = _day_range(date)
focused = _clip_to_day(self._all_focus(date), day_start, day_end)
running = _clip_to_day(self._all_running(date), day_start, day_end)
return focused, running
# ── main ──────────────────────────────────────────────────
def main():
logging.basicConfig(
level=logging.DEBUG if os.environ.get('SCREENTIMED_DEBUG') else logging.INFO,
format='%(name)s: %(message)s',
)
db = open_db()
tracker = Tracker(db)
loop = GLib.MainLoop()
bus = Gio.bus_get_sync(Gio.BusType.SESSION)
# listen to the extension
bus.signal_subscribe(
TRACKER_BUS, TRACKER_IFACE, 'FocusChanged',
TRACKER_PATH, None, Gio.DBusSignalFlags.NONE,
lambda *a: tracker.on_focus_changed(a[5].unpack()[0]))
bus.signal_subscribe(
TRACKER_BUS, TRACKER_IFACE, 'RunningAppsChanged',
TRACKER_PATH, None, Gio.DBusSignalFlags.NONE,
lambda *a: tracker.on_running_changed(a[5].unpack()[0]))
# pause tracking on lock/blank
bus.signal_subscribe(
'org.gnome.ScreenSaver', 'org.gnome.ScreenSaver', 'ActiveChanged',
'/org/gnome/ScreenSaver', None, Gio.DBusSignalFlags.NONE,
lambda *a: tracker.on_idle() if a[5].unpack()[0] else tracker.on_active())
# fetch initial state
try:
result = bus.call_sync(
TRACKER_BUS, TRACKER_PATH, TRACKER_IFACE, 'GetFocus',
None, GLib.VariantType('(s)'),
Gio.DBusCallFlags.NONE, -1, None)
tracker.current_app = result.unpack()[0]
result = bus.call_sync(
TRACKER_BUS, TRACKER_PATH, TRACKER_IFACE, 'GetRunningApps',
None, GLib.VariantType('(as)'),
Gio.DBusCallFlags.NONE, -1, None)
now_wall = time.time()
now_mono = time.monotonic()
for app_id in result.unpack()[0]:
tracker.running_apps[app_id] = (now_wall, now_mono)
log.debug('initial: focus=%s, running=%s',
tracker.current_app, list(tracker.running_apps.keys()))
except GLib.Error:
log.debug('extension not yet available')
# expose analytics over d-bus
node = Gio.DBusNodeInfo.new_for_xml(SCREENTIMED_IFACE_XML)
def on_method_call(conn, sender, path, iface, method, params, invocation):
if method == 'GetUsageToday':
f, r = tracker.get_usage(time.strftime('%Y-%m-%d'))
invocation.return_value(GLib.Variant('(a{su}a{su})', (f, r)))
elif method == 'GetUsage':
f, r = tracker.get_usage(params.unpack()[0])
invocation.return_value(GLib.Variant('(a{su}a{su})', (f, r)))
elif method == 'GetUsageByHour':
f, r = tracker.get_usage_by_hour(params.unpack()[0])
invocation.return_value(GLib.Variant('(aa{su}aa{su})', (f, r)))
elif method == 'GetTimeline':
f, r = tracker.get_timeline(params.unpack()[0])
invocation.return_value(GLib.Variant('(a(sdd)a(sdd))', (f, r)))
bus.register_object_with_closures2(
SCREENTIMED_PATH, node.interfaces[0],
on_method_call, None, None)
Gio.bus_own_name_on_connection(
bus, SCREENTIMED_BUS, Gio.BusNameOwnerFlags.NONE, None, None)
tracker._start_timer()
def on_term():
tracker.flush()
loop.quit()
GLib.unix_signal_add(GLib.PRIORITY_DEFAULT, signal.SIGTERM, on_term)
GLib.unix_signal_add(GLib.PRIORITY_DEFAULT, signal.SIGINT, on_term)
log.info('tracking to %s', DB_PATH)
loop.run()
log.info('stopped')
if __name__ == '__main__':
main()

7
screentimed.desktop Normal file
View File

@@ -0,0 +1,7 @@
[Desktop Entry]
Name=ScreenTime
Comment=View your screen time usage
Exec=screentime-viewer
Icon=preferences-system-time-symbolic
Type=Application
Categories=GNOME;GTK;Utility;

13
screentimed.service Normal file
View File

@@ -0,0 +1,13 @@
[Unit]
Description=Screen Time Tracking Daemon
After=gnome-shell.service
PartOf=graphical-session.target
[Service]
Type=simple
ExecStart=%h/.local/bin/screentimed
Restart=on-failure
RestartSec=5
[Install]
WantedBy=graphical-session.target