Method constructor

src/friendly-iframe-embed.js:362–401

* @param {!HTMLIFrameElement} iframe * @param {!FriendlyIframeSpec} spec * @param {!Promise} loadedPromise * @param {?./service/ampdoc-impl.AmpDocFie} ampdoc

(iframe, spec, loadedPromise, ampdoc)

   * @param {?./service/ampdoc-impl.AmpDocFie} ampdoc
   */
  constructor(iframe, spec, loadedPromise, ampdoc) {
    /** @const {!HTMLIFrameElement} */
    this.iframe = iframe;

    /** @const {!Window} */
    this.win = /** @type {!Window} */ (iframe.contentWindow);

    /** @const {?./service/ampdoc-impl.AmpDocFie} */
    this.ampdoc = ampdoc;

    /** @const {!FriendlyIframeSpec} */
    this.spec = spec;

    /** @const {?AmpElement} */
    this.host = spec.host || null;

    /** @const @private {time} */
    this.startTime_ = Date.now();

    /** @private @const */
    this.signals_ = this.ampdoc
      ? this.ampdoc.signals()
      : this.host
        ? this.host.signals()
        : new Signals();

    /** @private @const {!Deferred} */
    this.renderComplete_ = new Deferred();

    /** @private @const {!Promise} */
    this.winLoadedPromise_ = Promise.all([
      loadedPromise,
      this.whenRenderStarted(),
    ]);
    if (this.ampdoc) {
      this.whenRenderComplete().then(() => this.ampdoc.setReady());
    }

    this.win.addEventListener('resize', () => this.handleResize_());
  }

  /**
   * Ensures that all resources from this iframe have been released.