adstyle.js

/**
 * Copyright 2019 The AMP HTML Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS-IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import {loadScript, validateData} from '../3p/3p';

/**
 * @param {!Window} global
 * @param {!Object} data
 */
export function adstyle(global, data) {
  validateData(data, ['widget']);

  global._adstyle = global._adstyle || {
    viewId: global.context.pageViewId,
    widgetIds: [],
    referrer: global.context.referrer,
    url: global.context.canonicalUrl,
    source: global.context.sourceUrl,
  };

  global._adstyle.widgetIds.push(data.widget);

  const url = 'https://widgets.ad.style/amp.js';

  window.context.observeIntersection(function(changes) {
    changes.forEach(function(c) {
      window['intersectionRect' + data.widget] = c.intersectionRect;
      window['boundingClientRect' + data.widget] = c.boundingClientRect;
    });
  });

  loadScript(global, url);
}