D19977: Prevent context drawer from disappearing

[Dimitris Kardarakos]

dkardarakos created this revision.
dkardarakos added a reviewer: mart.
Herald added a project: Kirigami.
Herald added a subscriber: plasma-devel.
dkardarakos requested review of this revision.

REVISION SUMMARY
  Currently, on plasma mobile, if you navigate from a page that contains contextual actions to a page without contextual actions and back, context drawer disappears. Looking for contextual actions in pageStack.layers.currentItem only when pageStack.layers.depth > 1, then checking pageStack.currentItem and finally, checking pageStack.lastVisibleItem, we ensure that we look for contextual actions in the most relevant page.

TEST PLAN
  On mobile, navigate from a page that contains contextual actions to a page without contextual actions and back.
  
  Before patching:
  Context drawer disappears
  
  After patching:
  Context drawer is still visible

REPOSITORY
  R169 Kirigami

REVISION DETAIL
  https://phabricator.kde.org/D19977

AFFECTED FILES
  src/controls/ContextDrawer.qml

To: dkardarakos, mart
Cc: plasma-devel, domson, dkardarakos, apol, davidedmundson, mart, hein
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