D22229: Ignore Next/Previous call if CanGoNext/CanGoPrevious are false

[Kai Uwe Broulik]

broulik created this revision.
broulik added reviewers: Plasma, fvogt.
Herald added a project: Plasma.
Herald added a subscriber: plasma-devel.
broulik requested review of this revision.

REVISION SUMMARY
  Spec says "If is false, attempting to call this method should have no effect."

TEST PLAN
  No longer get an event in the content-script when calling Previous/Next if we can't go previous/next.
  Still works if website sets a `previoustrack` or `nexttrack` callback

REPOSITORY
  R856 Plasma Browser Integration

REVISION DETAIL
  https://phabricator.kde.org/D22229

AFFECTED FILES
  host/mprisplugin.cpp

To: broulik, #plasma, fvogt
Cc: plasma-devel, LeGast00n, jraleigh, fbampaloukas, GB_2, ragreen, Pitel, ZrenBot, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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