extension/lib/main-frame.coffee

   1 ###
   2 # Copyright Simon Lydell 2015.
   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 is the equivalent of main.coffee, but for frame scripts.
  21
  22 commands = require('./commands-frame')
  23 config = require('./config')
  24 createConfigAPI = require('./api-frame')
  25 FrameEventManager = require('./events-frame')
  26 messageManager = require('./message-manager')
  27 VimFrame = require('./vim-frame')
  28 test = try require('../test/index')
  29
  30 module.exports = ->
  31   {content} = FRAME_SCRIPT_ENVIRONMENT
  32   vim = new VimFrame(content)
  33
  34   eventManager = new FrameEventManager(vim)
  35   eventManager.addListeners()
  36
  37   messageManager.listen('runCommand', ({name, data}, callback) ->
  38     result = commands[name](Object.assign({vim}, data))
  39     callback?(result)
  40   )
  41
  42   shutdownHandlers = []
  43   onShutdown = (fn) -> shutdownHandlers.push(fn)
  44
  45   messageManager.listen('loadConfig', (configDir, callback) ->
  46     scope = {vimfx: createConfigAPI(vim, onShutdown)}
  47     error = config.loadFile(configDir, 'frame.js', scope)
  48     callback(not error)
  49   )
  50
  51   messageManager.listen('unloadConfig', ->
  52     for shutdownHandler in shutdownHandlers
  53       try
  54         shutdownHandler()
  55       catch error
  56         console.error("VimFx: `vimfx.on('shutdown')` error in frame.js", error)
  57     shutdownHandlers = []
  58   )
  59
  60   if test
  61     messageManager.send('runTests', null, (ok) -> test(vim) if ok)