Fix adding event listeners in change-view only once

The change view had a bug where it would add event listeners to itself
every time `connectedCallback()` was called. So these listeners were
accumulating and handlers were called multiple times, if the
component was disconnected from the DOM and the re-connected.

Before migrating gr-app-element to Lit in change 336243 this bug was not
exposed, because Polymer was just hiding the component, not
disconnecting it. So there was just no scenario where a change view
would be disconnected and then reconnected again. In Lit the view
caching is handled differently, so we are now seeing issues due to the
bug, e.g. events for saving the commit message being handled twice.

The change view is disconnected and then reconnected every time that you
go from a change view to a diff view (or any other view actually) and
then back.

Release-Notes: skip
Google-Bug-Id: b/232499174
Change-Id: I5c57d29b36816f667160fe3118efeae5a8627c7b
1 file changed
tree: 854fe48650262084d74e9113ecf799133bb80346
  1. .settings/
  2. .ts-out/
  3. antlr3/
  4. contrib/
  5. Documentation/
  6. e2e-tests/
  7. java/
  8. javatests/
  9. lib/
  10. modules/
  11. plugins/
  12. polygerrit-ui/
  13. prolog/
  14. prologtests/
  15. proto/
  16. resources/
  17. tools/
  18. webapp/
  19. .bazelignore
  20. .bazelproject
  21. .bazelrc
  22. .bazelversion
  23. .editorconfig
  24. .git-blame-ignore-revs
  25. .gitignore
  26. .gitmodules
  27. .gitreview
  28. .mailmap
  29. .pydevproject
  30. .zuul.yaml
  31. BUILD
  32. COPYING
  33. INSTALL
  34. Jenkinsfile
  35. package.json
  36. README.md
  37. SUBMITTING_PATCHES
  38. version.bzl
  39. WORKSPACE
  40. yarn.lock
README.md

Gerrit Code Review

Gerrit is a code review and project management tool for Git based projects.

Build Status Maven Central

Objective

Gerrit makes reviews easier by showing changes in a side-by-side display, and allowing inline comments to be added by any reviewer.

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NOTE: release is a counter that starts with 1 and indicates the number of packages that have been released with the same version of the software.

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On Fedora run:

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