[tbb-bugs] #17248 [Tor Browser]: Investigate new WebExtensions API requirements for our extensions

[Tor Bug Tracker & Wiki]

#17248: Investigate new WebExtensions API requirements for our extensions
----------------------------------+--------------------------
 Reporter:  gk                    |          Owner:  tbb-team
     Type:  task                  |         Status:  new
 Priority:  High                  |      Milestone:
Component:  Tor Browser           |        Version:
 Severity:  Normal                |     Resolution:
 Keywords:  TorBrowserTeam201511  |  Actual Points:
Parent ID:                        |         Points:
  Sponsor:                        |
----------------------------------+--------------------------

Comment (by brade):

 '''Requirements for which Web Extension APIs exist that are not yet
 implemented in Firefox (NI#):'''

 NI1: Retrieve OS identifier
 Current Solution: nsIXULRuntime.OS
 New Solution: chrome.runtime.PlatformInfo.PlatformOs
 Related Bugs: https://bugzil.la/1213473

 NI2: Size a popup window to fit its content
 Current Solution: window.sizeToContent() and window.resizeTo()
 New Solution: document.body.offsetWidth/offsetHeight followed by
 windows.update() to adjust size
 Related Bugs: https://bugzil.la/1213484

 NI3: Copy text to the system clipboard
 Current Solution: nsIClipboardHelper.copyString()
 New Solution: Add this to manifest.json: permissions: [ "clipboardWrite" ]
 then put the text to be copied in an HTML element, select it, and then
 call document.execCommand("copy");
 Related Bugs: https://bugzil.la/1197451

 NI4: Exit the browser
 Current Solution: nsIAppStartup.quit(eAttemptQuit)
 New Solution: chrome.processes.terminate(0) (dev channel only)

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17248#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online