extension/packages/prefs.coffee

   1 { classes: Cc, interfaces: Ci } = Components
   2
   3 PREF_BRANCH = "extensions.VimFx.";
   4
   5 # Default values for the preference
   6 # All used preferences should be mentioned here becuase
   7 # preference type is derived from here
   8 DEFAULT_PREF_VALUES =
   9   addon_id:     'VimFx@akhodakivskiy.github.com'
  10   hint_chars:   'asdfgercvhjkl;uinm'
  11   disabled:     false
  12   scroll_step:  60
  13   scroll_time:  100
  14   black_list:   '*mail.google.com*'
  15   blur_on_esc:  true
  16
  17 getPref = do ->
  18   branch = Services.prefs.getBranch PREF_BRANCH
  19
  20   return (key, defaultValue=undefined) ->
  21     type = branch.getPrefType(key)
  22
  23     switch type
  24       when branch.PREF_BOOL
  25         return branch.getBoolPref key
  26       when branch.PREF_INT
  27         return branch.getIntPref key
  28       when branch.PREF_STRING
  29         return branch.getCharPref key
  30       else
  31         if defaultValue != undefined
  32           return defaultValue
  33         else
  34           return DEFAULT_PREF_VALUES[key];
  35
  36 # Assign and save Firefox preference value
  37 setPref = do ->
  38   branch = Services.prefs.getBranch PREF_BRANCH
  39
  40   return (key, value) ->
  41     switch typeof value
  42       when 'boolean'
  43         branch.setBoolPref(key, value)
  44       when 'number'
  45         branch.setIntPref(key, value)
  46       when 'string'
  47         branch.setCharPref(key, value);
  48       else
  49         branch.clearUserPref(key);
  50
  51
  52 # Transfer all setting values from one branch to another
  53 transferPrefs = (from, to) ->
  54   fromBranch = Services.prefs.getBranch from
  55   toBranch = Services.prefs.getBranch to
  56
  57   count = {}
  58   vals = fromBranch.getChildList("", count)
  59
  60   for i in [0...count.value]
  61     name = vals[i]
  62     switch fromBranch.getPrefType name
  63       when fromBranch.PREF_STRING
  64         toBranch.setCharPref name, fromBranch.getCharPref name
  65       when fromBranch.PREF_INT
  66         toBranch.setIntPref name, fromBranch.getIntPref name
  67       when fromBranch.PREF_BOOL
  68         toBranch.setBoolPref name, fromBranch.getBoolPref name
  69
  70   fromBranch.deleteBranch("")
  71
  72 # Checks if given command is disabled in the preferences
  73 isCommandDisabled = (key) ->
  74   return getPref("disabled_commands", "").indexOf(key) > -1
  75
  76 # Adds command to the disabled list
  77 disableCommand = (key) ->
  78   dc = getPref("disabled_commands", "").split("||")
  79   dc.push key
  80   setPref "disabled_commands", dc.join("||")
  81
  82 # Enables command
  83 enableCommand = (key) ->
  84   dc = getPref("disabled_commands", "").split("||")
  85   while (index = dc.indexOf(key)) > -1
  86     dc.splice(index, 1)
  87   setPref "disabled_commands", dc.join("||")
  88
  89 exports.getPref             = getPref
  90 exports.setPref             = setPref
  91 exports.transferPrefs       = transferPrefs
  92 exports.isCommandDisabled   = isCommandDisabled
  93 exports.disableCommand      = disableCommand
  94 exports.enableCommand       = enableCommand