Class: NotepadqqApi::MessageInterpreter

Inherits:
Object
  • Object
show all
Defined in:
lib/notepadqq_api/message_interpreter.rb

Instance Method Summary collapse

Constructor Details

#initialize(message_channel) ⇒ MessageInterpreter 



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# File 'lib/notepadqq_api/message_interpreter.rb', line 4

def initialize(message_channel)
  @message_channel = message_channel

  # Hash of event handlers, for example
  # {
  #   1: {
  #     "newWindow": [<callback1>, ..., <callbackn>]
  #   },
  #   ...
  # }
  # Where 1 is an object_id and "newWindow" is an event of that object
  @event_handlers = {}
end

Instance Method Details

#invoke_api(object_id, method, args) ⇒ Object

Calls a method on the remote object object_id



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# File 'lib/notepadqq_api/message_interpreter.rb', line 29

def invoke_api(object_id, method, args)
  message = {
    :objectId => object_id,
    :method => method,
    :args => args
  }

  @message_channel.send_message(message)
  reply = @message_channel.get_next_result_message

  result = [reply["result"]]
  convert_stubs!(result)
  result = result[0]

  if reply["err"] != MessageInterpreterError::ErrorCode::NONE
    error = MessageInterpreterError.new(reply["err"], reply["errStr"])
    raise error, error.description
  end

  return result
end

#process_message(message) ⇒ Object 



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# File 'lib/notepadqq_api/message_interpreter.rb', line 51

def process_message(message)
  if message.has_key?("event")
    process_event_message(message)
  elsif message.has_key?("result")
    # We shouldn't have received it here... ignore it
  end
end

#register_event_handler(object_id, event, callback) ⇒ Object

Assign an event of a particular object_id to a callback



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# File 'lib/notepadqq_api/message_interpreter.rb', line 19

def register_event_handler(object_id, event, callback)
  event = event.to_sym

  @event_handlers[object_id] ||= {}
  @event_handlers[object_id][event] ||= []

  @event_handlers[object_id][event].push(callback)
end