packages/commands.coffee

   1 SCROLL_AMOUNT = 60
   2
   3 { classes: Cc, interfaces: Ci, utils: Cu } = Components
   4
   5 utils = require 'utils'
   6 { addHints, removeHints, hasHints } = require 'hints'
   7
   8 commands =
   9   'g,g': (window) ->
  10     window.scrollTo(0, 0)
  11
  12   'G': (window) ->
  13     window.scrollTo(0, window.document.body.scrollHeight)
  14
  15   'j': (window) ->
  16     window.scrollBy(0, SCROLL_AMOUNT)
  17
  18   'k': (window) ->
  19     window.scrollBy(0, -SCROLL_AMOUNT)
  20
  21   'd': (window) ->
  22     window.scrollBy(0, window.innerHeight)
  23
  24   'u': (window) ->
  25     window.scrollBy(0, -window.innerHeight)
  26
  27   'J': (window) ->
  28     if rootWindow = utils.getRootWindow window
  29       rootWindow.gBrowser.tabContainer.advanceSelectedTab(1, true);
  30
  31   'K': (window) ->
  32     if rootWindow = utils.getRootWindow window
  33       rootWindow.gBrowser.tabContainer.advanceSelectedTab(-1, true);
  34
  35   'x': (window) ->
  36     if rootWindow = utils.getRootWindow window
  37       rootWindow.gBrowser.removeCurrentTab()
  38
  39   'X': (window) ->
  40     if rootWindow = utils.getRootWindow window
  41       ss = utils.getSessionStore()
  42       if ss and ss.getClosedTabCount(rootWindow) > 0
  43         ss.undoCloseTab rootWindow, 0
  44
  45   'f': (window) ->
  46     addHints window.top.document, (el) ->
  47       console.log 'f hint', el
  48
  49   'Esc': (window) ->
  50     window.document.activeElement?.blur()
  51     if hasHints window.top.document
  52       removeHints window.top.document
  53
  54
  55 getCommand = (keys) ->
  56   sequence = [key.toString() for key in keys].join(',')
  57   if command = commands[sequence]
  58     return command
  59   else if keys.length > 0
  60     return getCommand keys.slice(1)
  61   else
  62     undefined
  63
  64 maybeCommand = (keys) ->
  65   if keys.length == 0
  66     return false
  67   else
  68     sequence = [key.toString() for key in keys].join(',')
  69     for s in Object.keys(commands)
  70       if s.search(sequence) == 0
  71         return true
  72
  73     return maybeCommand keys.slice(1)
  74
  75 exports.getCommand      = getCommand
  76 exports.maybeCommand    = maybeCommand