whatsapp.scpt

on is_running(app_name)
  tell application "System Events" to (name of processes) contains app_name
end is_running

on execute_javascript(browser, jquery, whatsapp, conversation_title, message)
  using terms from application "Google Chrome"
    set app_is_running to is_running(browser)
    if not app_is_running then
      return
    end if

    tell application browser
      repeat with w in windows
        repeat with t in tabs of w
          if URL of t starts with "https://web.whatsapp.com/" then
            execute t javascript ("var conversation_title = \"" & conversation_title & "\";")
            execute t javascript ("var message = \"" & message & "\";")
            execute t javascript jquery
            execute t javascript whatsapp
            set msgs to execute t javascript "msgs"
            if msgs is not "" then return msgs
          end if
        end repeat
      end repeat
    end tell
  end using terms from
end execute_javascript

on run(arguments)
  set javascript_folder to POSIX path of ((the path to me as text) & "::")
  set jquery_file to (POSIX file (javascript_folder & "js/jquery.min.js"))
  set whatsapp_file to (POSIX file (javascript_folder & "js/whatsapp.js"))

  open for access jquery_file
  set jquery to (read jquery_file)
  close access jquery_file

  open for access whatsapp_file
  set whatsapp to (read whatsapp_file)
  close access whatsapp_file

  set conversation_title to first item of arguments

  set rest_arguments to {}
  repeat with i from 2 to length of arguments
    copy item i of arguments to the end of rest_arguments
  end repeat
  set AppleScript's text item delimiters to space
  set message to rest_arguments as string

  set browsers to {"Google Chrome", "Google Chrome Canary"}
  repeat with browser in browsers
    return execute_javascript(browser, jquery, whatsapp, conversation_title, message)
  end repeat

end run