Class: Fusuma::Plugin::Detectors::ThumbsenseDetector

Inherits:
Detector
  • Object
show all
Defined in:
lib/fusuma/plugin/detectors/thumbsense_detector.rb

Overview

Detect Thumbsense context and change remap layer of fusuma-plugin-remap

Constant Summary collapse

SOURCES =

keypress buffer is used to detect modifier keys

%w[thumbsense keypress].freeze
MODIFIER_KEYS = 
Set.new(%w[
  CAPSLOCK
  LEFTALT
  LEFTCTRL
  LEFTMETA
  LEFTSHIFT
  RIGHTALT
  RIGHTCTRL
  RIGHTSHIFT
  RIGHTMETA
])
LAYER_CONTEXT = 
{thumbsense: true}.freeze

Instance Method Summary collapse

Instance Method Details

#detect(buffers) ⇒ Event, ...

Detect Context event and change remap layer of fusuma-plugin-remap

Parameters:

  • buffers (Array<Buffer>) —

    ThumbsenseBuffer, KeypressBuffer

Returns:

  • (Event) —

    if Thumbsense context is detected

  • (Array<Event>) —

    if Thumbsense context and Remap index when keypress is detected

  • (NilClass) —

    if event is NOT detected



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# File 'lib/fusuma/plugin/detectors/thumbsense_detector.rb', line 35

def detect(buffers)
  @thumbsense_buffer ||= find_buffer(buffers, "thumbsense")
  @keypress_buffer ||= find_buffer(buffers, "keypress")

  layer_manager = Fusuma::Plugin::Remap::LayerManager.instance

  # layer is thumbsense => create thumbsense context and remap index
  # touch is touching   => create thumbsense context and remap index
  # touch is released   => remove thumbsense context
  # keypress -> touch   => remove thumbsense context
  if touch_released? && !thumbsense_layer?
    MultiLogger.debug("thumbsense layer removed")
    layer_manager.send_layer(layer: LAYER_CONTEXT, remove: true)
    return
  end

  # When keypress event is first:
  # If current layer is thumbsense, the layer should not be changed
  # If current layer is not thumbsense, it should remain a normal key
  # In other words, if the key event comes first, do nothing
  if keypress_first?
    MultiLogger.debug("keypress event is first")

    return
  end

  MultiLogger.debug("thumbsense context created") unless thumbsense_layer?
  layer_manager.send_layer(layer: LAYER_CONTEXT)

  # create thumbsense context
  context = create_event(
    record: Events::Records::ContextRecord.new(
      name: :thumbsense,
      value: true
    )
  )

  # TODO: Threshold
  # create remap index
  index = if (keys = pressed_codes) && !keys.empty?
    MultiLogger.debug("thumbsense remap index created: #{keys}")
    combined_keys = keys.join("+")
    create_event(
      record: Events::Records::IndexRecord.new(
        index: Config::Index.new([:remap, combined_keys])
      )
    )
  end

  [context, index].compact
end