I have been listening this one (but it requires dbus still)
/* Nokia MCE display_status_ind
* No actual use with this, just make log entry. Display status returns
string: "on", "dimmed" or "off" */
static QDBusConnection mceSignalconn = QDBusConnection::systemBus();
mceSignalconn.connect("com.nokia.mce", "/com/nokia/mce/signal",
"com.nokia.mce.signal", "display_status_ind",
&toholed, SLOT(handleDisplayStatus(const
QDBusMessage&)));
In the signal handler I just log it... have no use for it atm.
void Toholed::handleDisplayStatus(const QDBusMessage& msg)
{
char buf[MAXBUF];
QList<QVariant> args = msg.arguments();
sprintf(buf, "Display status changed to ""%s""",
qPrintable(args.at(0).toString()));
writeToLog(buf);
}
-kimmo
-----Original Message-----
From: devel-boun...@lists.sailfishos.org
[mailto:devel-boun...@lists.sailfishos.org] On Behalf Of Arvid Fahlström Myrman
Sent: 20. helmikuuta 2014 20:17
To: devel@lists.sailfishos.org
Subject: Re: [SailfishDevel] Preventing auto sleep and detecting sleep mode
Well, I've at least solved the first problem by implementing a timer similar to
the one used by ScreenBlank in Sailfish.Media (see
/usr/lib/qt5/qml/Sailfish/Media/ScreenBlank.qml for reference), and it seems to
work properly. I wonder though, how are we developers supposed to know about
these DBus services? Are they documented somewhere? I also suspect that the
org.nemomobile.dbus import won't be allowed in Harbour, though I assume that it
should be possible to just ship the module along with my application.
I'm still looking for a way to detect when the screen goes blank, i.e. when the
device enters sleep mode. Any ideas?
Regards,
Arvid
On Monday 17 February 2014 00:52:22 you wrote:
> Hi,
>
> I have two questions relating to sleep mode:
>
> First, is it possible for an application to prevent the Jolla from
> automatically entering sleep mode e.g. while on a specific page? An
> example use case would be when using navigation apps while driving,
> where you need the screen to be on at all times, and you don't want to
> have to use your hands to prevent the screen from going black.
>
> Second, is it possible to detect when the device enters sleep mode? So
> far I've been checking if either ApplicationWindow.applicationActive
> is true, or if Cover.status is either Active, Activating or
> Deactivating, to see if the application is currently "visible", but it
> seems that sometimes when entering sleep mode while an application is
> active, ApplicationWindow.applicationActive will remain true during
> sleep mode (and when unlocking the device I'll be met by the
> application rather than the lock screen).
>
> Regards,
> Arvid
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