it should be the Hotkey object.
Was it ever the Hotkey object? Did this change with 1.4?
Created attachment 800121 [details] bug `this` is not [Sandbox] at this point, but it was undefined; should be the hotkey instance itself, I think.
Commits pushed to master at https://github.com/mozilla/addon-sdk https://github.com/mozilla/addon-sdk/commit/f698ea91f47f4fc12d4d1559b089bfa5da3ba052 Bug 717166 Change context of hotkey onPress to the hotkey instance itself https://github.com/mozilla/addon-sdk/commit/bdc2ffcef77578494dfc0ff42aa3a51c018852e0 Merge pull request #1233 from jsantell/717166-change-hotkey-onpress-context fix Bug 717166 Change context of hotkey onPress to the hotkey instance itself, r=@ZER0