[Bug 107247] Re: A Web page can temporarily turn on caret browsing

[Matthew Paul Thomas]

I thought I'd re-reported this, but apparently not. Reopening. It
currently happens on every bug page in Launchpad, starting from the
moment that the Subscribers box finishes loading.

** Changed in: malone
       Status: Fix Released => Confirmed

** Changed in: firefox-3.0 (Ubuntu)
       Status: Fix Released => Confirmed

** Summary changed:

- A Web page can temporarily turn on caret browsing
+ Launchpad bug pages trigger caret browsing in Firefox and other Gecko browsers

** Description changed:

  It is possible for a Web page to turn on Firefox's "caret browsing" mode
  just for that page, such that Firefox displays a cursor in the Web page
  text and prevents scrolling from working as normal. This should never
  happen.
  
  This bug was triggered by bug 107376 in a previous version of Launchpad,
  suggesting that the general cause is JavaScript focusing a text field,
  and then using CSS to hide that field. It seems unrelated to the
  document.designMode DOM property, because the page did not become
  editable.
  
  Steps to reproduce:
- 1. in the mpt/launchpad/2007-04-firefox-caret branch, open a bug page
- 2. click once in the bug page
- 3. press the Up or Down arrow keys.
+ 1. In Firefox or Epiphany, open any bug page, such as this one.
+ 2. Wait for the Subscribers box to finish loading.
+ 3. Press the Up or Down arrow keys.
+ 
+ What should happen: The page scrolls.
+ What actually happens: A visible caret moves through the page.

-- 
Launchpad bug pages trigger caret browsing in Firefox and other Gecko browsers
https://bugs.launchpad.net/bugs/107247
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