packages/event-handlers.coffee

   1 utils           = require 'utils'
   2 { getCommand }  = require 'commands'
   3 { Vim }         = require 'vim'
   4
   5 { interfaces: Ci } = Components
   6
   7 vimBucket = new utils.Bucket utils.getWindowId, (obj) -> new Vim obj
   8
   9 suppressEvent = (event) ->
  10   event.preventDefault()
  11   event.stopPropagation()
  12
  13 # The following handlers are installed on every top level DOM window
  14 handlers =
  15   'keypress': (event) ->
  16     try
  17       isEditable =  utils.isElementEditable event.originalTarget
  18       key = utils.keyboardEventKey event
  19
  20       # We only handle the key if there is no focused editable element
  21       # or if it's the *Esc* key, which will remote the focus from
  22       # the currently focused element
  23       if key and (key == 'Esc' or not isEditable)
  24         if window = utils.getEventTabWindow event
  25           if vimBucket.get(window)?.keypress key
  26             suppressEvent event
  27     catch err
  28       console.log err
  29
  30   'TabClose': (event) ->
  31     if gBrowser = utils.getEventTabBrowser event
  32       if browser = gBrowser.getBrowserForTab event.originalTarget
  33         vimBucket.forget browser.contentWindow.wrappedJSObject
  34
  35   'DOMWindowClose': (event) ->
  36     if gBrowser = event.originalTarget.gBrowser
  37       for tab in gBrowser.tabs
  38         if browser = gBrowser.getBrowserForTab tab
  39           vimBucket.forget browser.contentWindow.wrappedJSObject
  40
  41 exports.handlers = handlers