Class: Scarpe::Webview::SubscriptionItem

Inherits:
Drawable show all
Defined in:
lib/scarpe/wv/subscription_item.rb

Constant Summary

Constants included from Shoes::Log

Shoes::Log::DEFAULT_COMPONENT, Shoes::Log::DEFAULT_DEBUG_LOG_CONFIG, Shoes::Log::DEFAULT_LOG_CONFIG

Instance Attribute Summary

Attributes inherited from Drawable

#children, #parent, #shoes_linkable_id

Attributes inherited from Shoes::Linkable

#linkable_id

Instance Method Summary collapse

Methods inherited from Drawable

#add_child, #bind, display_class_for, #full_window_redraw!, #handler_js_code, #html_element, #html_id, #inspect, #needs_update!, #promise_update, #properties_changed, #remove_child, #shoes_styles, #to_html

Methods included from Shoes::Log

configure_logger, #log_init, logger

Methods inherited from Shoes::Linkable

#bind_shoes_event, #send_self_event, #send_shoes_event, #unsub_all_shoes_events, #unsub_shoes_event

Constructor Details

#initialize(properties) ⇒ SubscriptionItem

Returns a new instance of SubscriptionItem.



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# File 'lib/scarpe/wv/subscription_item.rb', line 4

def initialize(properties)
  super

  bind(@shoes_api_name) do |*args|
    send_self_event(*args, event_name: @shoes_api_name)
  end

  @wrangler = Scarpe::Webview::DisplayService.instance.wrangler

  case @shoes_api_name
  when "animate"
    frame_rate = (@args[0] || 10)
    @counter = 0
    @wrangler.periodic_code("animate_#{@shoes_linkable_id}", 1.0 / frame_rate) do
      @counter += 1
      send_self_event(@counter, event_name: @shoes_api_name)
    end
  when "every"
    delay = @args[0]
    @counter = 0
    @wrangler.periodic_code("every_#{@shoes_linkable_id}", delay) do
      @counter += 1
      send_self_event(@counter, event_name: @shoes_api_name)
    end
  when "timer"
    # JS setTimeout?
    raise "Implement me!"
  when "motion", "hover", "leave", "click", "release", "keypress"
    # Wait for set_parent
  else
    raise Scarpe::UnknownShoesEventAPIError, "Unknown Shoes event API: #{@shoes_api_name}!"
  end
end

Instance Method Details

#destroy_self ⇒ Object 



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# File 'lib/scarpe/wv/subscription_item.rb', line 80

def destroy_self
  @parent&.remove_event_callbacks(self)
  super
end

#element ⇒ Object 



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# File 'lib/scarpe/wv/subscription_item.rb', line 38

def element
  ""
end

#set_parent(new_parent) ⇒ Object

This will get called once we know the parent, which is useful for events like hover, where our subscription is likely to depend on what our parent is.



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# File 'lib/scarpe/wv/subscription_item.rb', line 44

def set_parent(new_parent)
  super

  case @shoes_api_name
  when "motion"
    # TODO: what do we do for whole-screen mousemove outside the window?
    # Those should be set on body, which right now doesn't have a drawable.
    # TODO: figure out how to handle alt and meta keys - does Shoes3 recognise those?
    new_parent.set_event_callback(
      self,
      "onmousemove",
      handler_js_code(
        @shoes_api_name,
        "arguments[0].x",
        "arguments[0].y",
        "arguments[0].ctrlKey",
        "arguments[0].shiftKey",
      ),
    )
  when "hover"
    new_parent.set_event_callback(self, "onmouseenter", handler_js_code(@shoes_api_name))
  when "leave"
    new_parent.set_event_callback(self, "onmouseleave", handler_js_code(@shoes_api_name))
  when "click"
    new_parent.set_event_callback(self, "onclick", handler_js_code(@shoes_api_name, "arguments[0].button", "arguments[0].x", "arguments[0].y"))
  when "release"
    new_parent.set_event_callback(self, "onmouseup", handler_js_code(@shoes_api_name, "arguments[0].button", "arguments[0].x", "arguments[0].y"))
  when "keypress"
    raise "Implement me!"
  when "animate", "every", "timer"
    # These were handled in initialize(), ignore them here
  else
    raise Scarpe::UnknownShoesEventAPIError, "Unknown Shoes event API: #{@shoes_api_name}!"
  end
end