2 files changed, 117 insertions, 0 deletions

diff --git a/overlays/waybar-systemd-inhibit/waybar_systemd_inhibit/__init__.py b/overlays/waybar-systemd-inhibit/waybar_systemd_inhibit/__init__.py
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/overlays/waybar-systemd-inhibit/waybar_systemd_inhibit/__init__.py
diff --git a/overlays/waybar-systemd-inhibit/waybar_systemd_inhibit/__main__.py b/overlays/waybar-systemd-inhibit/waybar_systemd_inhibit/__main__.py
new file mode 100644
index 00000000..35cc7fd1
--- /dev/null
+++ b/overlays/waybar-systemd-inhibit/waybar_systemd_inhibit/__main__.py
@@ -0,0 +1,117 @@
+import asyncclick as click
+from dbus_next.aio import MessageBus
+from dbus_next import BusType, Message, PropertyAccess
+import asyncio
+from functools import update_wrapper
+from dbus_next.service import ServiceInterface, method, dbus_property
+from dbus_next import Variant, DBusError
+import os
+import json
+
+class BlockInterface(ServiceInterface):
+    def __init__(self, system_bus, logind):
+        super().__init__('li.yggdrasil.WaybarSystemdInhibit')
+        self.system_bus = system_bus
+        self.logind = logind
+        self.fd = None
+
+    def Release(self):
+        if not self.fd:
+            return
+
+        os.close(self.fd)
+        self.fd = None
+        self.emit_properties_changed({'IsAcquired': False})
+
+    async def Acquire(self):
+        if self.fd:
+            return
+
+        res = await self.system_bus.call(Message(
+            destination='org.freedesktop.login1',
+            path='/org/freedesktop/login1',
+            interface='org.freedesktop.login1.Manager',
+            member='Inhibit',
+            signature='ssss',
+            body=[
+                "handle-lid-switch",
+                "waybar-systemd-inhibit",
+                "User request",
+                "block",
+            ],
+        ))
+        self.fd = res.unix_fds[res.body[0]]
+        self.emit_properties_changed({'IsAcquired': True})
+
+    @method()
+    async def ToggleBlock(self):
+        if self.fd:
+            self.Release()
+        else:
+            await self.Acquire()
+
+    @dbus_property(access=PropertyAccess.READ)
+    def IsAcquired(self) -> 'b':
+        return self.fd is not None
+
+
+@click.command()
+async def main():
+    system_bus = await MessageBus(bus_type=BusType.SYSTEM, negotiate_unix_fd=True).connect()
+    session_bus = await MessageBus(bus_type=BusType.SESSION).connect()
+
+    introspection = await system_bus.introspect('org.freedesktop.login1', '/org/freedesktop/login1')
+    obj = system_bus.get_proxy_object('org.freedesktop.login1', '/org/freedesktop/login1', introspection)
+    logind = obj.get_interface('org.freedesktop.login1.Manager')
+    properties = obj.get_interface('org.freedesktop.DBus.Properties')
+
+    def is_blocked_logind(what: str):
+        return "handle-lid-switch" in what.split(':')
+
+    def print_state(is_blocked: bool, is_acquired: bool = False):
+        icon = "󰌢" if is_blocked else "󰛧"
+        text = f"<span font=\"Symbols Nerd Font Mono\">{icon}</span>"
+        if is_acquired:
+            text = f"<span color=\"#f28a21\">{text}</span>"
+        elif is_blocked:
+            text = f"<span color=\"#ffffff\">{text}</span>"
+        print(json.dumps({'text': text, 'tooltip': ("Manually inhibited" if is_acquired else None)}, separators=(',', ':')), flush=True)
+
+    print_state(is_blocked_logind(await logind.get_block_inhibited()))
+
+    async def get_inhibit():
+        introspection = await session_bus.introspect('li.yggdrasil.WaybarSystemdInhibit', '/li/yggdrasil/WaybarSystemdInhibit')
+        return session_bus.get_proxy_object('li.yggdrasil.WaybarSystemdInhibit', '/li/yggdrasil/WaybarSystemdInhibit', introspection)
+
+    async def on_logind_properties_changed(interface_name, changed_properties, invalidated_properties):
+        if 'BlockInhibited' not in changed_properties:
+            return
+
+        properties = (await get_inhibit()).get_interface('li.yggdrasil.WaybarSystemdInhibit')
+
+        print_state(is_blocked_logind(changed_properties['BlockInhibited'].value), await properties.get_is_acquired())
+
+    properties.on_properties_changed(on_logind_properties_changed)
+
+    session_bus.export('/li/yggdrasil/WaybarSystemdInhibit', BlockInterface(system_bus, logind))
+    await session_bus.request_name('li.yggdrasil.WaybarSystemdInhibit')
+
+    properties = (await get_inhibit()).get_interface('org.freedesktop.DBus.Properties')
+
+    async def on_inhibit_properties_changed(interface_name, changed_properties, invalidated_properties):
+        if 'IsAcquired' not in changed_properties:
+            return
+
+        print_state(is_blocked_logind(await logind.get_block_inhibited()), changed_properties['IsAcquired'].value)
+
+    properties.on_properties_changed(on_inhibit_properties_changed)
+
+    await session_bus.wait_for_disconnect()
+
+@click.command()
+async def toggle():
+    session_bus = await MessageBus(bus_type=BusType.SESSION).connect()
+    introspection = await session_bus.introspect('li.yggdrasil.WaybarSystemdInhibit', '/li/yggdrasil/WaybarSystemdInhibit')
+    obj = session_bus.get_proxy_object('li.yggdrasil.WaybarSystemdInhibit', '/li/yggdrasil/WaybarSystemdInhibit', introspection)
+    interface = obj.get_interface('li.yggdrasil.WaybarSystemdInhibit')
+    await interface.call_toggle_block()