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Implement native InputCapture with private EIS receiver transport

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Add consent, zones and outside-edge barriers, connection-scoped leases, bounded input queues and keyboard/pointer forwarding. Restore local input on release, locking, topology or keymap changes, receiver loss and emergency escape. Preserve held-key state and distinguish finger stops from absent scroll axes.

Validation: independent review cleared; 5 native InputCapture unit tests; 32 portal tests; official D-Bus contract checks on a private bus; real installed libei receiver interoperability test. Live physical barrier and consent interaction remain to be checked in a desktop session.
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Samuel Onoja committed 2026-09-30 04:51:08 +01:00
1 parent baca852ee9
commit d26e1511d1
22 files changed
+2349 -11
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scripts/tests/test_portal_contracts.py
+13 -1
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@@ -54,7 +54,7 @@ def private_bus_checks():
raise AssertionError((root / "backend.log").read_text())
time.sleep(0.05)
node = ET.fromstring(xml)
for name in ("ScreenCast", "Settings", "Screenshot", "Wallpaper", "Background", "Usb", "Lockdown", "GlobalShortcuts", "Inhibit"):
for name in ("ScreenCast", "Settings", "Screenshot", "Wallpaper", "Background", "Usb", "Lockdown", "GlobalShortcuts", "Inhibit", "InputCapture"):
interface = node.find(f"interface[@name='org.freedesktop.impl.portal.{name}']")
assert interface is not None, name
expected = ET.parse(f"/usr/share/dbus-1/interfaces/org.freedesktop.impl.portal.{name}.xml").getroot().find("interface")
@@ -110,6 +110,18 @@ def private_bus_checks():
GLib.Variant("(su)", ("org.freedesktop.portal.Desktop", 0)), GLib.VariantType.new("(u)"),
Gio.DBusCallFlags.NONE, 5000, None).unpack()[0]
assert request_name == 1
capture = "org.freedesktop.impl.portal.InputCapture"
caps, = call("org.freedesktop.DBus.Properties", "Get", GLib.Variant("(ss)", (capture, "SupportedCapabilities")), "(v)")
assert caps == 3
session = PATH + "/session/test/inputcapture"
call(capture, "CreateSession2", GLib.Variant("(osa{sv})", (session, "org.test.Capture", {})), "(a{sv})")
try:
call(capture, "GetZones", GLib.Variant("(oosa{sv})", (PATH + "/request/test/zones", session, "org.test.Capture", {})))
raise AssertionError("Zones available without approval")
except GLib.Error as error:
assert "InvalidArgs" in str(error), error
bus.call_sync(NAME, session, "org.freedesktop.impl.portal.Session", "Close", None, None, Gio.DBusCallFlags.NONE, 5000, None)
version, = call("org.freedesktop.DBus.Properties", "Get", GLib.Variant("(ss)", ("org.freedesktop.impl.portal.ScreenCast", "version")), "(v)")
assert version == 4
source_types, = call("org.freedesktop.DBus.Properties", "Get", GLib.Variant("(ss)", ("org.freedesktop.impl.portal.ScreenCast", "AvailableSourceTypes")), "(v)")