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 DISABLED_COMMANDS = do ->
  53   str = getPref 'disabled_commands'
  54   try
  55     return JSON.parse str
  56   catch err
  57     dc = []
  58     for key in str.split('||')
  59       for c in key.split('|')
  60         dc.push c if c
  61
  62     return dc
  63
  64 # Enables command
  65 enableCommand = (key) ->
  66   for c in key.split('|')
  67     while (idx = DISABLED_COMMANDS.indexOf(c)) > -1
  68       DISABLED_COMMANDS.splice(idx, 1)
  69
  70   setPref 'disabled_commands', JSON.stringify DISABLED_COMMANDS
  71
  72 # Adds command to the disabled list
  73 disableCommand = (key) ->
  74   for c in key.split('|')
  75     if DISABLED_COMMANDS.indexOf(c) == -1
  76       DISABLED_COMMANDS.push c
  77
  78   setPref 'disabled_commands', JSON.stringify DISABLED_COMMANDS
  79
  80 # Checks if given command is disabled in the preferences
  81 isCommandDisabled = (key) ->
  82   for c in key.split('|')
  83     if DISABLED_COMMANDS.indexOf(c) > -1
  84       return true
  85
  86   return false
  87
  88 exports.getPref                   = getPref
  89 exports.setPref                   = setPref
  90 exports.isCommandDisabled         = isCommandDisabled
  91 exports.disableCommand            = disableCommand
  92 exports.enableCommand             = enableCommand