Class: Pebble::Watch::AppMessageEvent

Inherits:
Event
  • Object
show all
Defined in:
lib/pebble/watch/app_message_event.rb

Defined Under Namespace

Modules: TupleType

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/pebble/watch/app_message_event.rb', line 13

def data
  @data
end

#transaction_id ⇒ Object

Returns the value of attribute transaction_id.



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# File 'lib/pebble/watch/app_message_event.rb', line 11

def transaction_id
  @transaction_id
end

#uuid ⇒ Object

Returns the value of attribute uuid.



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# File 'lib/pebble/watch/app_message_event.rb', line 12

def uuid
  @uuid
end

Class Method Details

.parse(raw_message) ⇒ Object 



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# File 'lib/pebble/watch/app_message_event.rb', line 15

def self.parse(raw_message)
  return nil if raw_message.length < 19

  message_type, transaction_id, uuid, dictionary_length = raw_message[0, 19].unpack("CCA16C")

  data = {}

  offset = 19
  dictionary_length.times do |i|
    key, tuple_type, item_length = raw_message[offset, 7].unpack("CL>S<")
    offset += 7

    format = case tuple_type
    when TupleType::ByteArray;      "a*"
    when TupleType::String;         "A*"
    when TupleType::UnsignedInteger
      case item_length
      when 1; "C"
      when 2; "S<"
      when 4; "L<"
      end
    when TupleType::Integer
      case item_length
      when 1; "c"
      when 2; "s<"
      when 4; "l<"
      end
    end

    item_data = raw_message[offset, item_length].unpack(format).first
    offset += item_length

    data[key] = item_data
  end

  event = new

  event.transaction_id  = transaction_id
  event.uuid            = uuid
  event.data            = data

  event
end