Class: Browser::Event

Inherits:
Object show all
Includes:
Native
Defined in:
opal/browser/event.rb,
opal/browser/event/ui.rb,
opal/browser/event/base.rb,
opal/browser/event/drag.rb,
opal/browser/event/close.rb,
opal/browser/event/focus.rb,
opal/browser/event/mouse.rb,
opal/browser/event/touch.rb,
opal/browser/event/wheel.rb,
opal/browser/event/custom.rb,
opal/browser/event/sensor.rb,
opal/browser/event/gamepad.rb,
opal/browser/event/message.rb,
opal/browser/event/storage.rb,
opal/browser/event/keyboard.rb,
opal/browser/event/progress.rb,
opal/browser/event/animation.rb,
opal/browser/event/clipboard.rb,
opal/browser/event/pop_state.rb,
opal/browser/event/composition.rb,
opal/browser/event/hash_change.rb,
opal/browser/event/device_light.rb,
opal/browser/event/before_unload.rb,
opal/browser/event/device_motion.rb,
opal/browser/event/page_transition.rb,
opal/browser/event/audio_processing.rb,
opal/browser/event/device_proximity.rb,
opal/browser/event/device_orientation.rb

Defined Under Namespace

Modules: Target Classes: Animation, AudioProcessing, BeforeUnload, Clipboard, Close, Composition, Custom, Definition, DeviceLight, DeviceMotion, DeviceOrientation, DeviceProximity, Drag, Focus, Gamepad, HashChange, Keyboard, Message, Mouse, PageTransition, PopState, Progress, Sensor, Storage, Touch, UI, Wheel

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(event, callback = nil) ⇒ Event

Returns a new instance of Event.



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# File 'opal/browser/event.rb', line 193

def initialize(event, callback = nil)
  super(event)

  @callback = callback
end

Instance Attribute Details

#callback ⇒ Object (readonly)

Returns the value of attribute callback



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# File 'opal/browser/event.rb', line 190

def callback
  @callback
end

#on ⇒ Object 



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# File 'opal/browser/event.rb', line 203

def on
  @on || Target.convert(`#@native.currentTarget`)
end

Class Method Details

.aliases ⇒ Object 



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# File 'opal/browser/event.rb', line 33

def self.aliases
  @aliases ||= {
    'dom:load' => 'DOMContentLoaded',
    'hover'    => 'mouse:over'
  }
end

.class_for(name) ⇒ Object 



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# File 'opal/browser/event.rb', line 44

def self.class_for(name)
  case name_for(name)
    when 'animationend', 'animationiteration', 'animationstart'
      Animation

    when 'audioprocess'
      AudioProcessing

    when 'beforeunload'
      BeforeUnload

    when 'compositionend', 'compositionstart', 'compositionupdate'
      Composition

    when 'copy', 'cut'
      Clipboard

    when 'devicelight'
      DeviceLight

    when 'devicemotion'
      DeviceMotion

    when 'deviceorientation'
      DeviceOrientation

    when 'deviceproximity'
      DeviceProximity

    when 'drag', 'dragend', 'dragleave', 'dragover', 'dragstart', 'drop'
      Drag

    when 'gamepadconnected', 'gamepaddisconnected'
      Gamepad

    when 'hashchange'
      HashChange

    when 'load', 'loadend', 'loadstart'
      Progress

    when 'pagehide', 'pageshow'
      PageTransition

    when 'popstate'
      PopState

    when 'storage'
      Storage

    when 'touchcancel', 'touchend', 'touchleave', 'touchmove', 'touchstart'
      Touch

    when 'compassneedscalibration', 'userproximity'
      Sensor

    when 'message'
      Message

    when 'close'
      Close

    when 'click', 'contextmenu', 'dblclick', 'mousedown', 'mouseenter',
         'mouseleave', 'mousemove', 'mouseout', 'mouseover', 'mouseup',
         'show'
      Mouse

    when 'keydown', 'keypress', 'keyup'
      Keyboard

    when 'blur', 'focus', 'focusin', 'focusout'
      Focus

    when 'wheel'
      Wheel

    when 'abort', 'afterprint', 'beforeprint', 'cached', 'canplay',
         'canplaythrough', 'change', 'chargingchange', 'chargingtimechange',
         'checking', 'close', 'dischargingtimechange', 'DOMContentLoaded',
         'downloading', 'durationchange', 'emptied', 'ended', 'error',
         'fullscreenchange', 'fullscreenerror', 'input', 'invalid',
         'levelchange', 'loadeddata', 'loadedmetadata', 'noupdate', 'obsolete',
         'offline', 'online', 'open', 'orientationchange', 'pause',
         'pointerlockchange', 'pointerlockerror', 'play', 'playing',
         'ratechange', 'readystatechange', 'reset', 'seeked', 'seeking',
         'stalled', 'submit', 'success', 'suspend', 'timeupdate', 'updateready',
         'visibilitychange', 'volumechange', 'waiting'
      Event

    else
      Custom
  end
end

.construct(name, desc) ⇒ Object 



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# File 'opal/browser/event.rb', line 153

def self.construct(name, desc)
  `new Event(#{name}, #{desc})`
end

.create(name, *args, &block) ⇒ Object 



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# File 'opal/browser/event.rb', line 142

def self.create(name, *args, &block)
  name  = name_for(name)
  klass = class_for(name)

  event = klass.new(klass.construct(name, klass.const_get(:Definition).new(&block)))
  event.arguments = args

  event
end

.name_for(name) ⇒ Object 



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# File 'opal/browser/event.rb', line 40

def self.name_for(name)
  (aliases[name] || name).gsub(?:, '')
end

.new(value, callback = nil) ⇒ Object 



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# File 'opal/browser/event.rb', line 178

def self.new(value, callback = nil)
  return super unless self == Event

  klass = class_for(callback ? callback.name : `value.type`)

  if klass == Event
    super
  else
    klass.new(value, callback)
  end
end

.supported? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'opal/browser/event.rb', line 138

def self.supported?
  true
end

Instance Method Details

#arguments ⇒ Object 



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# File 'opal/browser/event.rb', line 211

def arguments
  `#@native.arguments || []`
end

#arguments=(args) ⇒ Object 



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# File 'opal/browser/event.rb', line 215

def arguments=(args)
  `#@native.arguments = #{args}`
end

#name ⇒ Object 



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# File 'opal/browser/event.rb', line 199

def name
  `#@native.type`
end

#off ⇒ Object 



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# File 'opal/browser/event.rb', line 225

def off
  @callback.off if @callback
end

#prevent ⇒ Object 



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# File 'opal/browser/event.rb', line 238

def prevent
  `#@native.preventDefault()` if defined?(`#@native.preventDefault`)
  `#@native.prevented = true`
end

#prevented? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'opal/browser/event.rb', line 243

def prevented?
  `!!#@native.prevented`
end

#stop ⇒ Object 



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# File 'opal/browser/event.rb', line 233

def stop
  `#@native.stopPropagation()` if defined?(`#@native.stopPropagation`)
  `#@native.stopped = true`
end

#stop! ⇒ Object 



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# File 'opal/browser/event.rb', line 247

def stop!
  prevent
  stop
end

#stopped? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'opal/browser/event.rb', line 229

def stopped?
  `!!#@native.stopped`
end

#target ⇒ Object 



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# File 'opal/browser/event.rb', line 207

def target
  Target.convert(`#@native.srcElement || #@native.target`)
end