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systemActions: Create SensorProxy unconditionally

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When plugging in a device with sensors that are unsupported by
iio-sensor-proxy, the proxy may quit so fast that the name disappears
from the bus before we get to construct the SensorProxy in response
to the name-appeared handler, resulting in the following warning:

JS ERROR: TypeError: this._sensorProxy is null
_sensorProxyAppeared/this._sensorProxy<@resource:///org/gnome/shell/misc/systemActions.js:217:17
_makeProxyWrapper/</<@resource:///org/gnome/gjs/modules/overrides/Gio.js:243:21

Address this by creating the proxy unconditionally instead of monitoring
the bus name, and using the g-name-owner property to determine whether
iio-sensor-proxy is active.

https://gitlab.gnome.org/GNOME/gnome-shell/issues/1357
This commit is contained in:
Florian Müllner 2019-06-15 16:31:53 +02:00 committed by Florian Müllner
parent f50cac3005
commit 928b49705f
1 changed files with 16 additions and 21 deletions
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37
js/misc/systemActions.js
View File

@ -174,13 +174,21 @@ const SystemActions = GObject.registerClass({
});
Main.layoutManager.connect('monitors-changed',
() => this._updateOrientationLock());
Gio.DBus.system.watch_name(SENSOR_BUS_NAME,
Gio.BusNameWatcherFlags.NONE,
() => this._sensorProxyAppeared(),
() => {
this._sensorProxy = null;
this._updateOrientationLock();
});
this._sensorProxy = new SensorProxy(Gio.DBus.system,
SENSOR_BUS_NAME,
SENSOR_OBJECT_PATH,
(proxy, error) => {
if (error)
log(error.message);
},
null,
Gio.DBusProxyFlags.DO_NOT_AUTO_START);
this._sensorProxy.connect('g-properties-changed', () => {
this._updateOrientationLock();
});
this._sensorProxy.connect('notify::g-name-owner', () => {
this._updateOrientationLock();
});
this._updateOrientationLock();
this._updateOrientationLockIcon();
@ -223,22 +231,9 @@ const SystemActions = GObject.registerClass({
return this._actions.get(LOCK_ORIENTATION_ACTION_ID).iconName;
}
_sensorProxyAppeared() {
this._sensorProxy = new SensorProxy(Gio.DBus.system, SENSOR_BUS_NAME, SENSOR_OBJECT_PATH,
(proxy, error) => {
if (error) {
log(error.message);
return;
}
this._sensorProxy.connect('g-properties-changed',
() => this._updateOrientationLock());
this._updateOrientationLock();
});
}
_updateOrientationLock() {
let available = false;
if (this._sensorProxy)
if (this._sensorProxy.g_name_owner)
available = this._sensorProxy.HasAccelerometer &&
this._monitorManager.get_is_builtin_display_on();