Print Preview: Change getPrivetPrinters to cr.sendWithPromise

chrome/browser/resources/print_preview/native_layer.js

 // Copyright (c) 2012 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.exportPath('print_preview');
 
 /**
  * @typedef {{selectSaveAsPdfDestination: boolean,
  *            layoutSettings.portrait: boolean,
  *            pageRange: string,
@@ skipping 51 matching lines @@
     global.printPreviewFailed = this.onPrintPreviewFailed_.bind(this);
     global.invalidPrinterSettings =
         this.onInvalidPrinterSettings_.bind(this);
     global.onDidGetDefaultPageLayout =
         this.onDidGetDefaultPageLayout_.bind(this);
     global.onDidGetPreviewPageCount =
         this.onDidGetPreviewPageCount_.bind(this);
     global.onDidPreviewPage = this.onDidPreviewPage_.bind(this);
     global.updatePrintPreview = this.onUpdatePrintPreview_.bind(this);
     global.onDidGetAccessToken = this.onDidGetAccessToken_.bind(this);
-    global.onPrivetPrinterChanged = this.onPrivetPrinterChanged_.bind(this);
     global.onPrivetCapabilitiesSet =
         this.onPrivetCapabilitiesSet_.bind(this);
     global.onPrivetPrintFailed = this.onPrivetPrintFailed_.bind(this);
     global.onExtensionCapabilitiesSet =
         this.onExtensionCapabilitiesSet_.bind(this);
     global.onEnableManipulateSettingsForTest =
         this.onEnableManipulateSettingsForTest_.bind(this);
     global.printPresetOptionsFromDocument =
         this.onPrintPresetOptionsFromDocument_.bind(this);
     global.onProvisionalPrinterResolved =
@@ skipping 143 matching lines @@
     /**
      * Requests the system's local print destinations. A LOCAL_DESTINATIONS_SET
      * event will be dispatched in response.
      * @return {!Promise<!Array<print_preview.LocalDestinationInfo>>}
      */
     getPrinters: function() {
       return cr.sendWithPromise('getPrinters');
     },
 
     /**
-     * Requests the network's privet print destinations. A number of
-     * PRIVET_PRINTER_CHANGED events will be fired in response, followed by a
-     * PRIVET_SEARCH_ENDED.
+     * Requests the network's privet print destinations. After this is called,
+     * a number of privet-printer-changed events may be fired.
+     * @return {!Promise} Resolves when privet printer search is completed.
+     *     Rejected if privet printers are not enabled.
      */
-    startGetPrivetDestinations: function() {
-      chrome.send('getPrivetPrinters');
+    getPrivetPrinters: function() {
+      return cr.sendWithPromise('getPrivetPrinters');
     },
 
     /**
-     * Requests that the privet print stack stop searching for privet print
-     * destinations.
-     */
-    stopGetPrivetDestinations: function() {
-      chrome.send('stopGetPrivetPrinters');
-    },
-
-    /**
      * Requests the privet destination's printing capabilities. A
      * PRIVET_CAPABILITIES_SET event will be dispatched in response.
      * @param {string} destinationId ID of the destination.
      */
     startGetPrivetDestinationCapabilities: function(destinationId) {
       chrome.send('getPrivetPrinterCapabilities', [destinationId]);
     },
 
     /**
      * Request a list of extension printers. Printers are reported as they are
@@ skipping 513 matching lines @@
      * @private
      */
     onPrintPresetOptionsFromDocument_: function(options) {
       var printPresetOptionsEvent = new Event(
           NativeLayer.EventType.PRINT_PRESET_OPTIONS);
       printPresetOptionsEvent.optionsFromDocument = options;
       this.eventTarget_.dispatchEvent(printPresetOptionsEvent);
     },
 
     /**
-     * @param {{serviceName: string, name: string}} printer Specifies
-     *     information about the printer that was added.
-     * @private
-     */
-    onPrivetPrinterChanged_: function(printer) {
-      var privetPrinterChangedEvent =
-            new Event(NativeLayer.EventType.PRIVET_PRINTER_CHANGED);
-      privetPrinterChangedEvent.printer = printer;
-      this.eventTarget_.dispatchEvent(privetPrinterChangedEvent);
-    },
-
-    /**
      * @param {Object} printer Specifies information about the printer that was
      *    added.
      * @private
      */
     onPrivetCapabilitiesSet_: function(printer, capabilities) {
       var privetCapabilitiesSetEvent =
             new Event(NativeLayer.EventType.PRIVET_CAPABILITIES_SET);
       privetCapabilitiesSetEvent.printer = printer;
       privetCapabilitiesSetEvent.capabilities = capabilities;
       this.eventTarget_.dispatchEvent(privetCapabilitiesSetEvent);
@@ skipping 286 matching lines @@
       return this.serializedDefaultDestinationSelectionRulesStr_;
     }
   };
 
   // Export
   return {
     NativeInitialSettings: NativeInitialSettings,
     NativeLayer: NativeLayer
   };
 });