Class: Fusuma::Plugin::Buffers::TapBuffer

Inherits:
Buffer
  • Object
show all
Defined in:
lib/fusuma/plugin/buffers/tap_buffer.rb

Overview

manage events and generate command

Constant Summary collapse

DEFAULT_SOURCE = 
'libinput_tap_parser'
DEFAULT_SECONDS_TO_KEEP = 
0.1

Instance Method Summary collapse

Instance Method Details

#begin?(event) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fusuma/plugin/buffers/tap_buffer.rb', line 79

def begin?(event)
  event.record.status == 'begin'
end

#buffer(event) ⇒ NilClass, TapBuffer

Parameters:

  • event (Event)

Returns:



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# File 'lib/fusuma/plugin/buffers/tap_buffer.rb', line 24

def buffer(event)
  return unless event&.tag == source

  # NOTE: need to set `begin` event at first of buffer
  clear && return unless bufferable?(event)

  @events.push(event)
  self
end

#bufferable?(event) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fusuma/plugin/buffers/tap_buffer.rb', line 43

def bufferable?(event)
  case event.record.status
  when 'end'
    true
  when 'begin'
    if empty?
      true
    else
      false
    end
  when 'keep', 'touch', 'hold', 'release', 'move'
    if empty?
      false
    else
      true
    end
  else
    raise "Unexpected status: #{event.record.status}"
  end
end

#clear_expired ⇒ Object

clear old events



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# File 'lib/fusuma/plugin/buffers/tap_buffer.rb', line 18

def clear_expired(*)
  clear if @events.any? { |e| ended?(e) }
end

#config_param_types ⇒ Object 



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# File 'lib/fusuma/plugin/buffers/tap_buffer.rb', line 11

def config_param_types
  {
    'source': [String]
  }
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fusuma/plugin/buffers/tap_buffer.rb', line 39

def empty?
  @events.empty?
end

#ended?(event) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fusuma/plugin/buffers/tap_buffer.rb', line 75

def ended?(event)
  event.record.status == 'end'
end

#finger ⇒ Object

return [Integer]



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# File 'lib/fusuma/plugin/buffers/tap_buffer.rb', line 35

def finger
  @events.map { |e| e.record.finger }.max
end

#present? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fusuma/plugin/buffers/tap_buffer.rb', line 64

def present?
  !empty?
end

#select_by_events ⇒ Object 



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# File 'lib/fusuma/plugin/buffers/tap_buffer.rb', line 68

def select_by_events
  return enum_for(:select) unless block_given?

  events = @events.select { |event| yield event }
  self.class.new events
end