@pixi/core/lib/textures/resources/Resource.js

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var runner = require('@pixi/runner');

class Resource {
  constructor(width = 0, height = 0) {
    this._width = width;
    this._height = height;
    this.destroyed = false;
    this.internal = false;
    this.onResize = new runner.Runner("setRealSize");
    this.onUpdate = new runner.Runner("update");
    this.onError = new runner.Runner("onError");
  }
  bind(baseTexture) {
    this.onResize.add(baseTexture);
    this.onUpdate.add(baseTexture);
    this.onError.add(baseTexture);
    if (this._width || this._height) {
      this.onResize.emit(this._width, this._height);
    }
  }
  unbind(baseTexture) {
    this.onResize.remove(baseTexture);
    this.onUpdate.remove(baseTexture);
    this.onError.remove(baseTexture);
  }
  resize(width, height) {
    if (width !== this._width || height !== this._height) {
      this._width = width;
      this._height = height;
      this.onResize.emit(width, height);
    }
  }
  get valid() {
    return !!this._width && !!this._height;
  }
  update() {
    if (!this.destroyed) {
      this.onUpdate.emit();
    }
  }
  load() {
    return Promise.resolve(this);
  }
  get width() {
    return this._width;
  }
  get height() {
    return this._height;
  }
  style(_renderer, _baseTexture, _glTexture) {
    return false;
  }
  dispose() {
  }
  destroy() {
    if (!this.destroyed) {
      this.destroyed = true;
      this.dispose();
      this.onError.removeAll();
      this.onError = null;
      this.onResize.removeAll();
      this.onResize = null;
      this.onUpdate.removeAll();
      this.onUpdate = null;
    }
  }
  static test(_source, _extension) {
    return false;
  }
}

exports.Resource = Resource;
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