Add a button to Print Preivew to open printer's Advanced options dialog.

chrome/browser/resources/print_preview/settings/advanced_options_settings.js

+// Copyright (c) 2014 The Chromium Authors. All rights reserved.

[Vitaly Buka (NO REVIEWS), 2014/08/13 18:21:20]

same

http://www.chromium.org/developers/coding-style

[Aleksey Shlyapnikov, 2014/08/13 18:35:44]

Done.

+// 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() {
+  'use strict';
+
+  /**
+   * Print options section to control printer advanced options.
+   * @param {!print_preview.DestinationStore} destinationStore Used to determine
+   *     the selected destination.
+   * @constructor
+   * @extends {print_preview.Component}
+   */
+  function AdvancedOptionsSettings(destinationStore) {
+    print_preview.Component.call(this);
+
+    /**
+     * Used to determine the selected destination.
+     * @private {!print_preview.DestinationStore}
+     */
+    this.destinationStore_ = destinationStore;
+  };
+
+  /**
+   * Event types dispatched by the component.
+   * @enum {string}
+   */
+  AdvancedOptionsSettings.EventType = {
+    BUTTON_ACTIVATED: 'print_preview.AdvancedOptionsSettings.BUTTON_ACTIVATED'
+  };
+
+  AdvancedOptionsSettings.prototype = {
+    __proto__: print_preview.Component.prototype,
+
+    /** @param {boolean} Whether the component is enabled. */
+    set isEnabled(isEnabled) {
+      this.getButton_().disabled = !isEnabled;
+    },
+
+    /** @override */
+    enterDocument: function() {
+      print_preview.Component.prototype.enterDocument.call(this);
+
+      fadeOutOption(this.getElement(), true);
+
+      this.tracker.add(
+          this.getButton_(), 'click', function() {
+            cr.dispatchSimpleEvent(
+                this, AdvancedOptionsSettings.EventType.BUTTON_ACTIVATED);
+          }.bind(this));
+      this.tracker.add(
+          this.destinationStore_,
+          print_preview.DestinationStore.EventType.DESTINATION_SELECT,
+          this.onDestinationSelect_.bind(this));
+      this.tracker.add(
+          this.destinationStore_,
+          print_preview.DestinationStore.EventType.
+              SELECTED_DESTINATION_CAPABILITIES_READY,
+          this.onDestinationSelect_.bind(this));
+    },
+
+    /**
+     * @return {HTMLElement}
+     * @private
+     */
+    getButton_: function() {
+      return this.getChildElement('.advanced-options-settings-button');
+    },
+
+    /**
+     * Called when the destination selection has changed. Updates UI elements.
+     * @private
+     */
+    onDestinationSelect_: function() {
+      var destination = this.destinationStore_.selectedDestination;
+      var vendorCapabilities =
+          destination &&
+          destination.capabilities &&
+          destination.capabilities.printer &&
+          destination.capabilities.printer.vendor_capability;
+      if (false && vendorCapabilities) {
+        fadeInOption(this.getElement());
+      } else {
+        fadeOutOption(this.getElement());
+      }
+    }
+  };
+
+  // Export
+  return {
+    AdvancedOptionsSettings: AdvancedOptionsSettings
+  };
+});