chrome/test/data/webui/print_preview/cloud_print_interface_stub.js

// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

cr.define('print_preview', function() {
  /**
   * Test version of the cloud print interface.
   * @implements {cloudprint.CloudPrintInterface}
   */
  class CloudPrintInterfaceStub {
    constructor() {
      /** @private {!cr.EventTarget} */
      this.eventTarget_ = new cr.EventTarget();

      /** @private {boolean} */
      this.searchInProgress_ = false;

      /** @private {!Map<string, !print_preview.Destination>} */
      this.cloudPrintersMap_ = new Map();
    }

    /** @override */
    getEventTarget() {
      return this.eventTarget_;
    }

    /** @override */
    isCloudDestinationSearchInProgress() {
      return this.searchInProgress_;
    }

    /**
     * @param {string} id The ID of the printer.
     * @param {!print_preview.Destination} printer The destination to return
     *     when the printer is requested.
     */
    setPrinter(id, printer) {
      this.cloudPrintersMap_.set(id, printer);
    }

    /**
     * Dispatches a CloudPrintInterfaceEventType.SEARCH_DONE event with the
     * printers that have been set so far using setPrinter().
     * @override
     */
    search() {
      this.searchInProgress_ = true;
      const printers = [];
      this.cloudPrintersMap_.forEach((value) => printers.push(value));

      const searchDoneEvent =
          new CustomEvent(cloudprint.CloudPrintInterfaceEventType.SEARCH_DONE, {
            detail: {
              origin: print_preview.DestinationOrigin.COOKIES,
              printers: printers,
              isRecent: true,
              user: 'foo@chromium.org',
              searchDone: true,
            }
          });
      this.searchInProgress_ = false;
      this.eventTarget_.dispatchEvent(searchDoneEvent);
    }

    /** @override */
    invites(account) {}

    /**
     * Dispatches a CloudPrintInterfaceEventType.PRINTER_DONE event with the
     * printer details if the printer has been added by calling setPrinter().
     * @override
     */
    printer(printerId, origin, account) {
      const printer = this.cloudPrintersMap_.get(printerId);
      if (!!printer) {
        printer.capabilities =
            print_preview_test_utils.getCddTemplate(printerId);
        this.eventTarget_.dispatchEvent(new CustomEvent(
            cloudprint.CloudPrintInterfaceEventType.PRINTER_DONE,
            {detail: printer}));
      }
    }
  }

  return {
    CloudPrintInterfaceStub: CloudPrintInterfaceStub,
  };
});