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neft

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neft.io

Neft-io/neft

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# Animation 'use strict' utils = require 'src/utils' assert = require 'src/assert' signal = require 'src/signal' module.exports = (Renderer, Impl, itemUtils) -> class Animation extends Renderer.Extension @__name__ = 'Animation' ## *Animation* Animation::constructor() : *Renderer.Extension* constructor: -> super() @_loop = false @_updatePending = false @_paused = false ## *Signal* Animation::onStart() signal.Emitter.createSignal @, 'onStart' ## *Signal* Animation::onStop() signal.Emitter.createSignal @, 'onStop' itemUtils.defineProperty constructor: @ name: 'running' setter: (_super) -> (val) -> @_when = val oldVal = @_running if oldVal is val return assert.isBoolean val _super.call @, val if val Impl.startAnimation.call @ @onStart.emit() if @_paused Impl.pauseAnimation.call @ else if @_paused @paused = false Impl.stopAnimation.call @ @onStop.emit() return ## *Boolean* Animation::paused ## *Signal* Animation::onPausedChange(*Boolean* oldValue) itemUtils.defineProperty constructor: @ name: 'paused' setter: (_super) -> (val) -> oldVal = @_paused if oldVal is val return assert.isBoolean val _super.call @, val if val Impl.pauseAnimation.call @ else Impl.resumeAnimation.call @ return ## *Boolean* Animation::loop ## *Signal* Animation::onLoopChange(*Boolean* oldValue) itemUtils.defineProperty constructor: @ name: 'loop' implementation: Impl.setAnimationLoop developmentSetter: (val) -> assert.isBoolean val ## ReadOnly *Boolean* Animation::updatePending utils.defineProperty @::, 'updatePending', null, -> @_updatePending , null ## Animation::start() start: -> @running = true @ ## Animation::stop() stop: -> @running = false @ ## Animation::pause() pause: -> if @running @paused = true @ ## Animation::resume() resume: -> @paused = false @ enable: -> @running = true super() disable: -> @running = false super()