extension/lib/config.coffee

   1 ###
   2 # Copyright Simon Lydell 2016.
   3 #
   4 # This file is part of VimFx.
   5 #
   6 # VimFx is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # VimFx is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with VimFx.  If not, see <http://www.gnu.org/licenses/>.
  18 ###
  19
  20 # This file loads the user config file: config.js and frame.js.
  21
  22 createConfigAPI = require('./api')
  23 messageManager = require('./message-manager')
  24
  25 load = (vimfx, callback = ->) ->
  26   configDir = vimfx.options.config_file_directory
  27
  28   unless configDir
  29     callback(null)
  30     return
  31
  32   scope = {vimfx: createConfigAPI(vimfx)}
  33
  34   # Calling `vimfx.createKeyTrees()` after each `vimfx.set()` that modifies a
  35   # shortcut is absolutely redundant and may make Firefox start slower. Do it
  36   # once instead.
  37   vimfx.skipCreateKeyTrees = true
  38   error = loadFile(configDir, 'config.js', scope)
  39   vimfx.skipCreateKeyTrees = false
  40   vimfx.createKeyTrees()
  41
  42   if error
  43     callback(false)
  44     return
  45
  46   messageManager.send('loadConfig', configDir, callback)
  47
  48 loadFile = (dir, file, scope) ->
  49   uri = "#{dir}/#{file}"
  50   try
  51     Services.scriptloader.loadSubScriptWithOptions(uri, {
  52       target: scope
  53       charset: 'UTF-8'
  54       ignoreCache: true
  55     })
  56     return null
  57   catch error
  58     console.error("VimFx: Error loading #{file}", uri, error)
  59     return error
  60
  61 module.exports = {
  62   load
  63   loadFile
  64 }