touch-packages team mailing list archive

[Lukáš Tinkl <lukas.tinkl@xxxxxxxxxxxxx>]

The ScreenSaver QML element uses XGetScreenSaver/XSetScreenSaver and is
only functional on X11. I guess we might want to add an implementation
for Mir.

Cf.
http://code.qt.io/cgit/qt/qtsystems.git/tree/src/systeminfo/linux/qscreensaver_linux.cpp

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https://bugs.launchpad.net/bugs/1462489

Title:
  Allow apps to keep the screen on

Status in the base for Ubuntu mobile products:
  Confirmed
Status in apparmor-easyprof-ubuntu package in Ubuntu:
  Confirmed
Status in qtubuntu package in Ubuntu:
  Confirmed
Status in ubuntu-system-settings package in Ubuntu:
  Confirmed
Status in ubuntu-ui-toolkit package in Ubuntu:
  Confirmed
Status in unity8 package in Ubuntu:
  Confirmed

Bug description:
  Support an interface in QML and HTML to allow an app to keep the
  screen on while the app is active. This has come up in several
  scenarios, such as an ebook reader, a clock in night mode.

  First step is to hook up QtSystemInfo screenSaverEnabled

  One solution to inhibit the screen blanking:

  Add a new dbus rule to the default template
  Provide a mediator (unity8) to control this, so it can restore the screen blanking when the app is not active or has been closed
  Prompt the user for confirmation the first time the app accesses it
  use the trust store to avoid prompts each time
  add to the System settings Other app access panel an entry for Screen or Display so the setting could be revoked

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