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Philip Withnall 212e098da1 timeLimitsManager: Add new state machine for screen time limits 
This implements wellbeing screen time limits in gnome-shell. It depends
on a few changes in other modules:
 - New settings schemas in gsettings-desktop-schemas
 - A settings UI in gnome-control-center
 - User documentation in gnome-user-docs

It implements the design from
https://gitlab.gnome.org/Teams/Design/settings-mockups/-/blob/master/wellbeing/wellbeing.png.

The core of the implementation is `TimeLimitsManager`, which is a state
machine which uses the user’s session state from logind to track how long
the user has been in an active session, in aggregate, during the day. If
this total exceeds their limit for the day, the state machine changes
state.

The user’s session activity history (basically, when they logged in and
out for the past 14 weeks) is kept in a state file in their home
directory. This is used by gnome-shell to count usage across reboots in
a single day, and in the future it will also be used to provide usage
history in gnome-control-center, so the user can visualise their
historic computer usage at a high level, for the past several weeks.

The `TimeLimitsDispatcher` is based on top of this, and controls showing
notifications and screen fades to make the user aware of whether they’ve
used the computer for too long today, as per their preferences.

Unit tests are included to check that `TimeLimitsManager` works, in
particular with its loading and storing of the history file. The unit
tests provide mock implementations of basic GLib clock functions, the
logind D-Bus proxy and `Gio.Settings` in order to test the state machine in
faster-than-real-time.

Signed-off-by: Philip Withnall <pwithnall@gnome.org>

See: https://gitlab.gnome.org/Teams/Design/initiatives/-/issues/130
Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/3397>
2025-01-13 14:24:02 +00:00

369 lines
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Meson
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project('gnome-shell', 'c',
version: '47.0',
meson_version: '>= 1.1.0',
license: 'GPL-2.0-or-later',
)
split_version = meson.project_version().split('.')
# We depend on a specific version of the libmutter API. The mutter variants of
# the Cogl and Clutter libraries also use this API version.
# The API version is increased each development cycle,
# starting with 0 in 3.23.x
mutter_api_version = '16'
clutter_pc = 'mutter-clutter-' + mutter_api_version
cogl_pc = 'mutter-cogl-' + mutter_api_version
mtk_pc = 'mutter-mtk-' + mutter_api_version
libmutter_pc = 'libmutter-' + mutter_api_version
libmutter_test_pc = 'libmutter-test-' + mutter_api_version
ecal_req = '>= 3.33.1'
eds_req = '>= 3.33.1'
gcr_req = '>= 3.90.0'
gio_req = '>= 2.79.2'
gi_req = '>= 1.49.1'
gjs_req = '>= 1.73.1'
gtk_req = '>= 4.0'
mutter_req = '>= 47.0'
polkit_req = '>= 0.100'
schemas_req = '>= 48.alpha'
systemd_req = '>= 246'
gnome_desktop_req = '>= 40'
pipewire_req = '>= 0.3.49'
pango_req = '>= 1.46.0'
nm_req = '>= 1.10.4'
secret_req = '>= 0.18'
fs = import('fs')
gnome = import('gnome')
i18n = import('i18n')
prefix = get_option('prefix')
bindir = join_paths(prefix, get_option('bindir'))
datadir = join_paths(prefix, get_option('datadir'))
libdir = join_paths(prefix, get_option('libdir'))
libexecdir = join_paths(prefix, get_option('libexecdir'))
mandir = join_paths(prefix, get_option('mandir'))
sysconfdir = join_paths(prefix, get_option('sysconfdir'))
pkgdatadir = join_paths(datadir, meson.project_name())
pkglibdir = join_paths(libdir, meson.project_name())
autostartdir = join_paths(sysconfdir, 'xdg', 'autostart')
desktopdir = join_paths(datadir, 'applications')
icondir = join_paths(datadir, 'icons')
ifacedir = join_paths(datadir, 'dbus-1', 'interfaces')
localedir = join_paths(datadir, 'locale')
metainfodir = join_paths(datadir, 'metainfo')
schemadir = join_paths(datadir, 'glib-2.0', 'schemas')
servicedir = join_paths(datadir, 'dbus-1', 'services')
keybindings_dep = dependency('gnome-keybindings', required: false)
if keybindings_dep.found()
keysdir = keybindings_dep.get_variable('keysdir', pkgconfig_define: ['datadir', datadir])
else
keysdir = join_paths(datadir, 'gnome-control-center', 'keybindings')
endif
atk_bridge_dep = dependency('atk-bridge-2.0')
ecal_dep = dependency('libecal-2.0', version: ecal_req)
eds_dep = dependency('libedataserver-1.2', version: eds_req)
gcr_dep = dependency('gcr-4', version: gcr_req)
gdk_pixbuf_dep = dependency('gdk-pixbuf-2.0')
gi_dep = dependency('gobject-introspection-1.0', version: gi_req)
gio_dep = dependency('gio-2.0', version: gio_req)
gio_unix_dep = dependency('gio-unix-2.0', version: gio_req)
gjs_dep = dependency('gjs-1.0', version: gjs_req)
gtk_dep = dependency('gtk4', version: gtk_req)
libxml_dep = dependency('libxml-2.0')
clutter_dep = dependency(clutter_pc, version: mutter_req)
mtk_dep = dependency(mtk_pc, version: mutter_req)
cogl_dep = dependency(cogl_pc, version: mutter_req)
mutter_dep = dependency(libmutter_pc, version: mutter_req)
polkit_dep = dependency('polkit-agent-1', version: polkit_req)
schemas_dep = dependency('gsettings-desktop-schemas', version: schemas_req)
gnome_desktop_dep = dependency('gnome-desktop-4', version: gnome_desktop_req)
pango_dep = dependency('pango', version: pango_req)
have_fonts = mutter_dep.get_variable('have_fonts') == 'true'
have_x11 = mutter_dep.get_variable('have_x11') == 'true'
have_x11_client = mutter_dep.get_variable('have_x11_client') == 'true'
if have_x11_client or have_x11
x11_dep = dependency('x11')
endif
if not have_fonts
error('Shell requires mutter to be built with fonts rendering support')
endif
nm_deps = []
if get_option('networkmanager')
nm_deps += dependency('libnm', version: nm_req)
nm_deps += dependency('libsecret-1', version: secret_req)
have_networkmanager = true
else
have_networkmanager = false
endif
have_portal_helper = get_option('portal_helper')
if have_portal_helper and not have_networkmanager
error('Portal helper requires networkmanager support')
endif
if get_option('camera_monitor')
libpipewire_dep = dependency('libpipewire-0.3', version: pipewire_req)
have_pipewire = true
else
libpipewire_dep = []
have_pipewire = false
endif
if get_option('systemd')
libsystemd_dep = dependency('libsystemd', version: systemd_req)
systemd_dep = dependency('systemd', version: systemd_req)
systemduserunitdir = systemd_dep.get_variable('systemduserunitdir',
pkgconfig_define: ['prefix', prefix])
have_systemd = true
else
libsystemd_dep = []
have_systemd = false
endif
if get_option('man')
rst2man = find_program('rst2man')
subdir('man')
endif
mutter_typelibdir = mutter_dep.get_variable('typelibdir')
python = find_program('python3')
gjs = find_program('gjs')
cc = meson.get_compiler('c')
m_dep = cc.find_library('m', required: false)
cdata = configuration_data()
cdata.set_quoted('GETTEXT_PACKAGE', meson.project_name())
cdata.set_quoted('VERSION', meson.project_version())
cdata.set_quoted('PACKAGE_VERSION', meson.project_version())
cdata.set('HAVE_NETWORKMANAGER', have_networkmanager)
cdata.set('HAVE_PIPEWIRE', have_pipewire)
cdata.set('HAVE_SYSTEMD', have_systemd)
cdata.set('HAVE_X11', have_x11)
cdata.set('HAVE_X11_CLIENT', have_x11_client)
cdata.set('HAVE_FDWALK', cc.has_function('fdwalk'))
cdata.set('HAVE_MALLINFO', cc.has_function('mallinfo'))
cdata.set('HAVE_MALLINFO2', cc.has_function('mallinfo2'))
cdata.set('HAVE_SYS_RESOURCE_H', cc.has_header('sys/resource.h'))
cdata.set('HAVE_EXE_INTROSPECTION',
cc.has_header('elf.h') and cc.has_header('link.h'))
cdata.set('HAVE__NL_TIME_FIRST_WEEKDAY',
cc.has_header_symbol('langinfo.h', '_NL_TIME_FIRST_WEEKDAY')
)
cdata.set('HAVE_FDWALK',
cc.has_function('fdwalk')
)
polkit_has_autocleanup = cc.compiles(
'''
#define POLKIT_AGENT_I_KNOW_API_IS_SUBJECT_TO_CHANGE
#include <polkitagent/polkitagent.h>
void main(void) { g_autoptr(PolkitAgentListener) agent = NULL; }
''',
dependencies: polkit_dep)
cdata.set('HAVE_POLKIT_AUTOCLEANUP', polkit_has_autocleanup)
buildtype = get_option('buildtype')
if buildtype != 'plain'
gs_c_args = [
'-fno-omit-frame-pointer',
'-mno-omit-leaf-frame-pointer',
'-fno-strict-aliasing',
'-Wpointer-arith',
'-Wmissing-declarations',
'-Wimplicit-function-declaration',
'-Wformat=2',
'-Wformat-nonliteral',
'-Wformat-security',
'-Wstrict-prototypes',
'-Wmissing-prototypes',
'-Wnested-externs',
'-Wold-style-definition',
'-Wundef',
'-Wunused',
'-Wcast-align',
'-Wmissing-noreturn',
'-Wmissing-format-attribute',
'-Wmissing-include-dirs',
'-Wlogical-op',
'-Wignored-qualifiers',
'-Werror=redundant-decls',
'-Werror=implicit',
'-Werror=nonnull',
'-Werror=init-self',
'-Werror=main',
'-Werror=missing-braces',
'-Werror=sequence-point',
'-Werror=return-type',
'-Werror=trigraphs',
'-Werror=array-bounds',
'-Werror=write-strings',
'-Werror=address',
'-Werror=int-to-pointer-cast',
'-Werror=pointer-to-int-cast',
'-Werror=empty-body',
'-Werror=write-strings',
]
if get_option('debug')
gs_c_args += [
'-DG_ENABLE_DEBUG',
]
else
gs_c_args += [
'-DG_DISABLE_ASSERT',
'-DG_DISABLE_CAST_CHECKS',
]
endif
supported_gs_c_args = cc.get_supported_arguments(gs_c_args)
add_project_arguments(supported_gs_c_args, language: 'c')
endif
config_h = configure_file(
input: 'config.h.meson',
output: 'config.h',
configuration: cdata
)
conf_inc = include_directories('.')
libgvc = subproject('gvc',
default_options: [
'package_name=' + meson.project_name(),
'package_version=' + meson.project_version(),
'pkgdatadir=' + pkgdatadir,
'pkglibdir=' + pkglibdir,
'static=false',
'introspection=true',
'alsa=false'
]
)
libgvc_gir = libgvc.get_variable('libgvc_gir')
libshew = subproject('shew',
default_options: [
'package_name=@0@'.format(meson.project_name()),
]
)
libshew_version = libshew.get_variable('package_version')
assert(libshew_version == meson.project_version(),
'shew version does not match project version')
if get_option('extensions_tool')
extension_tool = subproject('extensions-tool',
default_options: [
'package_name=@0@'.format(meson.project_name()),
]
)
extension_tool_version = extension_tool.get_variable('package_version')
assert(extension_tool_version == meson.project_version(),
'extension-tool version does not match project version'
)
endif
if get_option('extensions_app')
extensions_app = subproject('extensions-app',
default_options: [
'package_name=@0@'.format(meson.project_name()),
]
)
extensions_app_version = extensions_app.get_variable('package_version')
assert(extensions_app_version == meson.project_version(),
'Extensions app version does not match project version'
)
endif
if get_option('tests')
common_test_env = environment()
common_test_env.set('GSETTINGS_SCHEMA_DIR', meson.project_build_root() / 'data')
common_test_env.set('GSETTINGS_BACKEND', 'memory')
common_test_env.set('XDG_CURRENT_DESKTOP', '')
jasmine = find_program('jasmine')
add_test_setup('default',
is_default: true,
env: common_test_env,
)
endif
po_dir = join_paths(meson.current_source_dir(), 'po')
subdir('js')
subdir('src')
subdir('po')
subdir('data')
if get_option('tests') and have_x11_client
subdir('tests')
endif
if get_option('gtk_doc')
subdir('docs/reference')
endif
gnome.post_install(
glib_compile_schemas: true,
gtk_update_icon_cache: true
)
meson.add_dist_script('meson/generate-stylesheets.py')
meson.add_dist_script('meson/check-version.py', meson.project_version(), 'NEWS')
summary_options = {
'x11': have_x11,
'x11_client': have_x11_client,
'camera_monitor': get_option('camera_monitor'),
'networkmanager': get_option('networkmanager'),
'systemd': get_option('systemd'),
'extensions_app': get_option('extensions_app'),
'extensions_tool': get_option('extensions_tool'),
'man': get_option('man'),
'gtk_doc': get_option('gtk_doc'),
}
summary_build = {
'buildtype': get_option('buildtype'),
'debug': get_option('debug'),
}
summary_dirs = {
'prefix': get_option('prefix'),
'bindir': get_option('bindir'),
'libdir': get_option('libdir'),
'libexecdir': get_option('libexecdir'),
'datadir': get_option('datadir'),
'sysconfdir': get_option('sysconfdir'),
}
if get_option('man')
summary_dirs += { 'mandir': get_option('mandir') }
endif
summary(summary_dirs, section: 'Directories')
summary(summary_build, section: 'Build Configuration')
summary(summary_options, section: 'Build Options')
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