Reland Print Preview Componentization: Migrate preview area error tests

Original change: https://crrev.com/c/1015850

Chromium and Google Chrome show different messages when the PDF plugin
is missing in Print Preview. Modify the test to accept either message,
to fix official build failures.

Bug: 814860
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: I1672512db0c50bbf2e95ae6c9798dca82e4ee71c
Reviewed-on: https://chromium-review.googlesource.com/1028566Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#553820}

chrome/browser/resources/print_preview/new/app.html

@@ -145,9 +145,7 @@
       <print-preview-preview-area id="previewArea" settings="{{settings}}"
           destination="[[destination_]]" document-info="{{documentInfo_}}"
           state="[[state]]" measurement-system="[[measurementSystem_]]"
-          on-invalid-printer="onInvalidPrinter_"
-          on-preview-failed="onPreviewFailed_"
-          on-preview-loaded="onPreviewLoaded_">
+          preview-state="{{previewState_}}">
       </print-preview-preview-area>
     </div>
   </template>

chrome/browser/resources/print_preview/new/app.js

@@ -100,6 +100,12 @@ Polymer({
       value: false,
     },
 
+    /** @private {!print_preview_new.PreviewAreaState} */
+    previewState_: {
+      type: String,
+      observer: 'onPreviewAreaStateChanged_',
+    },
+
     /** @private {boolean} */
     settingsExpanded_: {
       type: Boolean,
@@ -301,6 +307,10 @@ Polymer({
 
   /** @private */
   onDestinationSelect_: function() {
+    // If the plugin does not exist do not attempt to load the preview.
+    if (this.state == print_preview_new.State.FATAL_ERROR)
+      return;
+
     this.$.state.transitTo(print_preview_new.State.NOT_READY);
     this.destination_ = this.destinationStore_.selectedDestination;
   },
@@ -310,8 +320,10 @@ Polymer({
     this.set(
         'destination_.capabilities',
         this.destinationStore_.selectedDestination.capabilities);
-    if (this.state != print_preview_new.State.READY)
+    if (this.state != print_preview_new.State.READY &&
+        this.state != print_preview_new.State.FATAL_ERROR) {
       this.$.state.transitTo(print_preview_new.State.READY);
+    }
     if (!this.$.model.initialized())
       this.$.model.applyStickySettings();
   },
@@ -353,12 +365,6 @@ Polymer({
     }
   },
 
-  /** @private */
-  onPreviewLoaded_: function() {
-    if (this.state == print_preview_new.State.HIDDEN)
-      this.$.state.transitTo(print_preview_new.State.PRINTING);
-  },
-
   /** @private */
   onPrintRequested_: function() {
     this.$.state.transitTo(
@@ -439,13 +445,30 @@ Polymer({
   },
 
   /** @private */
-  onPreviewFailed_: function() {
-    this.$.state.transitTo(print_preview_new.State.FATAL_ERROR);
+  onInvalidPrinter_: function() {
+    this.previewState_ =
+        print_preview_new.PreviewAreaState.UNSUPPORTED_CLOUD_PRINTER;
   },
 
   /** @private */
-  onInvalidPrinter_: function() {
-    this.$.state.transitTo(print_preview_new.State.INVALID_PRINTER);
+  onPreviewAreaStateChanged_: function() {
+    switch (this.previewState_) {
+      case print_preview_new.PreviewAreaState.PREVIEW_FAILED:
+      case print_preview_new.PreviewAreaState.NO_PLUGIN:
+        this.$.state.transitTo(print_preview_new.State.FATAL_ERROR);
+        break;
+      case print_preview_new.PreviewAreaState.INVALID_SETTINGS:
+      case print_preview_new.PreviewAreaState.UNSUPPORTED_CLOUD_PRINTER:
+        this.$.state.transitTo(print_preview_new.State.INVALID_PRINTER);
+        break;
+      case print_preview_new.PreviewAreaState.DISPLAY_PREVIEW:
+      case print_preview_new.PreviewAreaState.OPEN_IN_PREVIEW_LOADED:
+        if (this.state == print_preview_new.State.HIDDEN)
+          this.$.state.transitTo(print_preview_new.State.PRINTING);
+        break;
+      default:
+        break;
+    }
   },
 
   /**

chrome/browser/resources/print_preview/new/preview_area.html

@@ -115,25 +115,25 @@
       }
 
     </style>
-    <div class$="preview-area-overlay-layer [[getInvisible_(previewState_)]]"
+    <div class$="preview-area-overlay-layer [[getInvisible_(previewState)]]"
         aria-hidden$="[[previewLoaded_]]">
       <div class="preview-area-messages">
         <div class="preview-area-message">
           <div>
-            <span>[[currentMessage_(previewState_)]]</span>
+            <span>[[currentMessage_(previewState)]]</span>
             <span class$="preview-area-loading-message-jumping-dots
-                          [[getJumpingDots_(previewState_)]]"
-                hidden$="[[!isPreviewLoading_(previewState_)]]">
+                          [[getJumpingDots_(previewState)]]"
+                hidden$="[[!isPreviewLoading_(previewState)]]">
                 <span>.</span><span>.</span><span>.</span>
             </span>
             <a is="action-link" class="learn-more-link"
-                hidden$="[[!shouldShowLearnMoreLink_(previewState_)]]"
+                hidden$="[[!shouldShowLearnMoreLink_(previewState)]]"
                 on-click="onGcpErrorLearnMoreClick_">
               $i18n{learnMore}
             </a>
           </div>
           <div class="preview-area-action-area"
-              hidden$="[[!displaySystemDialogButton_(previewState_)]]">
+              hidden$="[[!displaySystemDialogButton_(previewState)]]">
             <button class="preview-area-open-system-dialog-button">
               $i18n{launchNativeDialog}
             </button>

chrome/browser/resources/print_preview/new/preview_area.js

@@ -34,14 +34,13 @@ cr.exportPath('print_preview_new');
  */
 print_preview_new.PDFPlugin;
 
-(function() {
-'use strict';
-
 /** @enum {string} */
-const PreviewAreaState_ = {
+print_preview_new.PreviewAreaState = {
+  NO_PLUGIN: 'no-plugin',
   LOADING: 'loading',
   DISPLAY_PREVIEW: 'display-preview',
-  OPEN_IN_PREVIEW: 'open-in-preview',
+  OPEN_IN_PREVIEW_LOADING: 'open-in-preview-loading',
+  OPEN_IN_PREVIEW_LOADED: 'open-in-preview-loaded',
   INVALID_SETTINGS: 'invalid-settings',
   PREVIEW_FAILED: 'preview-failed',
   UNSUPPORTED_CLOUD_PRINTER: 'unsupported-cloud-printer',
@@ -80,19 +79,18 @@ Polymer({
       value: false,
     },
 
-    /** @private {string} */
-    previewState_: {
+    /** @type {!print_preview_new.PreviewAreaState} */
+    previewState: {
       type: String,
       notify: true,
-      value: PreviewAreaState_.LOADING,
+      value: print_preview_new.PreviewAreaState.LOADING,
     },
 
     /** @private {boolean} */
     previewLoaded_: {
       type: Boolean,
       notify: true,
-      computed: 'computePreviewLoaded_(' +
-          'previewState_, pluginLoaded_, documentReady_)',
+      computed: 'computePreviewLoaded_(previewState)',
     },
   },
 
@@ -109,6 +107,7 @@ Polymer({
         'settings.ranges.value, settings.selectionOnly.value, ' +
         'settings.scaling.value, settings.rasterize.value, destination.id, ' +
         'destination.capabilities)',
+    'pluginOrDocumentStatusChanged_(pluginLoaded_, documentReady_)',
   ],
 
   /** @private {print_preview.NativeLayer} */
@@ -136,14 +135,21 @@ Polymer({
     this.addWebUIListener(
         'page-preview-ready', this.onPagePreviewReady_.bind(this));
 
+    if (!this.checkPluginCompatibility())
+      this.previewState = print_preview_new.PreviewAreaState.NO_PLUGIN;
+  },
+
+  /**
+   * @return {boolean} Whether the plugin exists and is compatible. Overridden
+   *     in tests.
+   */
+  checkPluginCompatibility: function() {
     const oopCompatObj =
         this.$$('.preview-area-compatibility-object-out-of-process');
     const isOOPCompatible = oopCompatObj.postMessage;
     oopCompatObj.parentElement.removeChild(oopCompatObj);
-    if (!isOOPCompatible) {
-      this.previewState_ = PreviewAreaState_.PREVIEW_FAILED;
-      this.fire('preview-failed');
-    }
+
+    return isOOPCompatible;
   },
 
   /**
@@ -151,9 +157,10 @@ Polymer({
    * @private
    */
   computePreviewLoaded_: function() {
-    return this.previewState_ == PreviewAreaState_.DISPLAY_PREVIEW ||
-        (this.documentReady_ && this.pluginLoaded_ &&
-         this.previewState_ == PreviewAreaState_.OPEN_IN_PREVIEW);
+    return this.previewState ==
+        print_preview_new.PreviewAreaState.DISPLAY_PREVIEW ||
+        this.previewState ==
+        print_preview_new.PreviewAreaState.OPEN_IN_PREVIEW_LOADED;
   },
 
   /** @return {boolean} Whether the preview is loaded. */
@@ -206,6 +213,17 @@ Polymer({
     this.requestPreviewWhenReady_ = true;
   },
 
+  /** @private */
+  pluginOrDocumentStatusChanged_: function() {
+    if (!this.pluginLoaded_ || !this.documentReady_)
+      return;
+
+    this.previewState = this.previewState ==
+            print_preview_new.PreviewAreaState.OPEN_IN_PREVIEW_LOADING ?
+        print_preview_new.PreviewAreaState.OPEN_IN_PREVIEW_LOADED :
+        print_preview_new.PreviewAreaState.DISPLAY_PREVIEW;
+  },
+
   /**
    * @return {string} 'invisible' if overlay is invisible, '' otherwise.
    * @private
@@ -219,7 +237,7 @@ Polymer({
    * @private
    */
   isPreviewLoading_: function() {
-    return this.previewState_ == PreviewAreaState_.LOADING;
+    return this.previewState == print_preview_new.PreviewAreaState.LOADING;
   },
 
   /**
@@ -235,8 +253,12 @@ Polymer({
    * @private
    */
   displaySystemDialogButton_: function() {
-    return this.previewState_ == PreviewAreaState_.INVALID_SETTINGS ||
-        this.previewState_ == PreviewAreaState_.OPEN_IN_PREVIEW;
+    return this.previewState ==
+        print_preview_new.PreviewAreaState.INVALID_SETTINGS ||
+        this.previewState ==
+        print_preview_new.PreviewAreaState.OPEN_IN_PREVIEW_LOADING ||
+        this.previewState ==
+        print_preview_new.PreviewAreaState.OPEN_IN_PREVIEW_LOADED;
   },
 
   /**
@@ -245,7 +267,8 @@ Polymer({
    * @private
    */
   shouldShowLearnMoreLink_: function() {
-    return this.previewState_ == PreviewAreaState_.UNSUPPORTED_CLOUD_PRINTER;
+    return this.previewState ==
+        print_preview_new.PreviewAreaState.UNSUPPORTED_CLOUD_PRINTER;
   },
 
   /**
@@ -253,65 +276,56 @@ Polymer({
    * @private
    */
   currentMessage_: function() {
-    if (this.previewState_ == PreviewAreaState_.LOADING)
-      return this.i18n('loading');
-    if (this.previewState_ == PreviewAreaState_.OPEN_IN_PREVIEW)
-      return this.i18n('openingPDFInPreview');
-    if (this.previewState_ == PreviewAreaState_.INVALID_SETTINGS)
-      return this.i18n('invalidPrinterSettings');
-    if (this.previewState_ == PreviewAreaState_.PREVIEW_FAILED)
-      return this.i18n('previewFailed');
-    if (this.previewState_ == PreviewAreaState_.UNSUPPORTED_CLOUD_PRINTER)
-      return this.i18n('unsupportedCloudPrinter');
-    return '';
+    switch (this.previewState) {
+      case print_preview_new.PreviewAreaState.NO_PLUGIN:
+        return this.i18n('noPlugin');
+      case print_preview_new.PreviewAreaState.LOADING:
+        return this.i18n('loading');
+      case print_preview_new.PreviewAreaState.OPEN_IN_PREVIEW_LOADING:
+      case print_preview_new.PreviewAreaState.OPEN_IN_PREVIEW_LOADED:
+        return this.i18n('openingPDFInPreview');
+      case print_preview_new.PreviewAreaState.INVALID_SETTINGS:
+        return this.i18n('invalidPrinterSettings');
+      case print_preview_new.PreviewAreaState.PREVIEW_FAILED:
+        return this.i18n('previewFailed');
+      case print_preview_new.PreviewAreaState.UNSUPPORTED_CLOUD_PRINTER:
+        return this.i18n('unsupportedCloudPrinter');
+      default:
+        return '';
+    }
   },
 
   /** @private */
   startPreview_: function() {
-    this.previewState_ = PreviewAreaState_.LOADING;
+    this.previewState = print_preview_new.PreviewAreaState.LOADING;
     this.documentReady_ = false;
     this.getPreview_().then(
         previewUid => {
           if (!this.documentInfo.isModifiable)
             this.onPreviewStart_(previewUid, -1);
           this.documentReady_ = true;
-          if (this.pluginLoaded_) {
-            if (this.previewState_ != PreviewAreaState_.OPEN_IN_PREVIEW)
-              this.previewState_ = PreviewAreaState_.DISPLAY_PREVIEW;
-            this.fire('preview-loaded');
-          }
         },
         type => {
           if (/** @type{string} */ (type) == 'SETTINGS_INVALID') {
-            this.previewState_ = PreviewAreaState_.INVALID_SETTINGS;
-            this.fire('invalid-printer');
+            this.previewState =
+                print_preview_new.PreviewAreaState.INVALID_SETTINGS;
           } else if (/** @type{string} */ (type) != 'CANCELLED') {
-            this.previewState_ = PreviewAreaState_.PREVIEW_FAILED;
-            this.fire('preview-failed');
+            this.previewState =
+                print_preview_new.PreviewAreaState.PREVIEW_FAILED;
           }
         });
   },
 
   /** @private */
   onStateChanged_: function() {
-    switch (this.state) {
-      case (print_preview_new.State.NOT_READY):
-        // Resetting the destination clears the invalid settings error.
-        this.previewState_ = PreviewAreaState_.LOADING;
-        break;
-      case (print_preview_new.State.READY):
-        // Request a new preview.
-        if (this.requestPreviewWhenReady_) {
-          this.startPreview_();
-          this.requestPreviewWhenReady_ = false;
-        }
-        break;
-      case (print_preview_new.State.INVALID_PRINTER):
-        if (this.previewState_ != PreviewAreaState_.INVALID_SETTINGS)
-          this.previewState_ = PreviewAreaState_.UNSUPPORTED_CLOUD_PRINTER;
-        break;
-      default:
-        break;
+    if (this.state == print_preview_new.State.NOT_READY) {
+      // Resetting the destination clears the invalid settings error.
+      this.previewState = print_preview_new.PreviewAreaState.LOADING;
+    } else if (
+        this.state == print_preview_new.State.READY &&
+        this.requestPreviewWhenReady_) {
+      this.startPreview_();
+      this.requestPreviewWhenReady_ = false;
     }
   },
 
@@ -319,7 +333,10 @@ Polymer({
   /** Set the preview state to display the "opening in preview" message. */
   setOpeningPdfInPreview: function() {
     assert(cr.isMac);
-    this.previewState_ = PreviewAreaState_.OPEN_IN_PREVIEW;
+    this.previewState =
+        (this.previewState == print_preview_new.PreviewAreaState.LOADING) ?
+        print_preview_new.PreviewAreaState.OPEN_IN_PREVIEW_LOADING :
+        print_preview_new.PreviewAreaState.OPEN_IN_PREVIEW_LOADED;
   },
   // </if>
 
@@ -405,11 +422,6 @@ Polymer({
    */
   onPluginLoad_: function() {
     this.pluginLoaded_ = true;
-    if (this.documentReady_) {
-      if (this.previewState_ != PreviewAreaState_.OPEN_IN_PREVIEW)
-        this.previewState_ = PreviewAreaState_.DISPLAY_PREVIEW;
-      this.fire('preview-loaded');
-    }
   },
 
   /**
@@ -637,4 +649,3 @@ Polymer({
     return this.nativeLayer_.getPreview(JSON.stringify(ticket), pageCount);
   },
 });
-})();

chrome/test/data/webui/print_preview/invalid_settings_browsertest.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('invalid_settings_browsertest', function() {
+  /** @enum {string} */
+  const TestNames = {
+    NoPDFPluginError: 'no pdf plugin error',
+    InvalidSettingsError: 'invalid settings error',
+    InvalidCertificateError: 'invalid certificate error',
+    InvalidCertificateErrorReselectDestination: 'invalid certificate reselect',
+  };
+
+  const suiteName = 'InvalidSettingsBrowserTest';
+  suite(suiteName, function() {
+    /** @type {?PrintPreviewAppElement} */
+    let page = null;
+
+    /** @type {?print_preview.NativeLayer} */
+    let nativeLayer = null;
+
+    /** @type {!print_preview.NativeInitialSettings} */
+    const initialSettings = {
+      isInKioskAutoPrintMode: false,
+      isInAppKioskMode: false,
+      thousandsDelimeter: ',',
+      decimalDelimeter: '.',
+      unitType: 1,
+      previewModifiable: true,
+      documentTitle: 'title',
+      documentHasSelection: true,
+      shouldPrintSelectionOnly: false,
+      printerName: 'FooDevice',
+      serializedAppStateStr: null,
+      serializedDefaultDestinationSelectionRulesStr: null
+    };
+
+    /** @type {!Array<!print_preview.LocalDestinationInfo>} */
+    let localDestinationInfos = [
+      { printerName: 'FooName', deviceName: 'FooDevice' },
+      { printerName: 'BarName', deviceName: 'BarDevice' },
+    ];
+
+    /** @override */
+    setup(function() {
+      cloudprint.CloudPrintInterface = print_preview.CloudPrintInterfaceStub;
+      nativeLayer = new print_preview.NativeLayerStub();
+      print_preview.NativeLayer.setInstance(nativeLayer);
+      PolymerTest.clearBody();
+    });
+
+    /**
+     * Initializes the page with initial settings and local destinations
+     * given by |initialSettings| and |localDestinationInfos|. Also creates
+     * the fake plugin. Moved out of setup so tests can set those parameters
+     * differently.
+     */
+    function createPage() {
+      nativeLayer.setInitialSettings(initialSettings);
+      nativeLayer.setLocalDestinations(localDestinationInfos);
+      if (initialSettings.printerName) {
+        nativeLayer.setLocalDestinationCapabilities(
+            print_preview_test_utils.getCddTemplate(
+                initialSettings.printerName));
+      }
+
+      page = document.createElement('print-preview-app');
+      const previewArea = page.$$('print-preview-preview-area');
+      previewArea.plugin_ = new print_preview.PDFPluginStub(
+          previewArea.onPluginLoad_.bind(previewArea));
+    }
+
+    /**
+     * Performs some setup for invalid certificate tests using 2 destinations
+     * in |printers|. printers[0] will be set as the most recent destination,
+     * and printers[1] will be the second most recent destination. Sets up
+     * cloud print interface, user info, and runs createPage().
+     * @param {!Array<!print_preview.Destination>} printers
+     */
+    function setupInvalidCertificateTest(printers) {
+      initialSettings.printerName = '';
+      initialSettings.serializedAppStateStr = JSON.stringify({
+        version: 2,
+        recentDestinations: [
+            print_preview.makeRecentDestination(printers[0]),
+            print_preview.makeRecentDestination(printers[1]),
+        ],
+      });
+      localDestinationInfos = [];
+
+      createPage();
+
+      document.body.appendChild(page);
+      page.userInfo_.setUsers('foo@chromium.org', ['foo@chromium.org']);
+      cr.webUIListenerCallback('use-cloud-print', 'cloudprint url', false);
+      printers.forEach(printer => {
+        page.cloudPrintInterface_.setPrinter(printer.id, printer);
+      });
+    }
+
+    // Test that error message is displayed when plugin doesn't exist.
+    test(assert(TestNames.NoPDFPluginError), function() {
+      createPage();
+      const previewArea = page.$.previewArea;
+      previewArea.checkPluginCompatibility = function() {
+        return false;
+      };
+      document.body.appendChild(page);
+
+      return nativeLayer.whenCalled('getInitialSettings').then(function() {
+        const overlayEl = previewArea.$$('.preview-area-overlay-layer');
+        const messageEl = previewArea.$$('.preview-area-message');
+
+        // Make sure the overlay is visible.
+        assertFalse(overlayEl.classList.contains('invisible'));
+
+        // Make sure the correct text is shown.
+        const expectedMessageChromium = 'Chromium does not include the PDF ' +
+            'viewer which is required for Print Preview to function.';
+        const expectedMessageChrome = 'Google Chrome cannot show the print ' +
+            'preview when the built-in PDF viewer is missing.';
+        assertTrue(messageEl.textContent.includes(expectedMessageChromium) ||
+                   messageEl.textContent.includes(expectedMessageChrome));
+      });
+    });
+
+    // Tests that when a printer cannot be communicated with correctly the
+    // preview area displays an invalid printer error message and printing
+    // is disabled. Verifies that the user can recover from this error by
+    // selecting a different, valid printer.
+    test(assert(TestNames.InvalidSettingsError), function() {
+      createPage();
+      const barDevice = print_preview_test_utils.getCddTemplate('BarDevice');
+      nativeLayer.setLocalDestinationCapabilities(barDevice);
+
+      // FooDevice is the default printer, so will be selected for the initial
+      // preview request.
+      nativeLayer.setInvalidPrinterId('FooDevice');
+
+      // Expected message
+      const expectedMessage = 'The selected printer is not available or not '
+          + 'installed correctly.';
+
+      // Get references to relevant elements.
+      const previewAreaEl = page.$.previewArea;
+      const overlay = previewAreaEl.$$('.preview-area-overlay-layer');
+      const messageEl = previewAreaEl.$$('.preview-area-message');
+      const header = page.$$('print-preview-header');
+      const printButton = header.$$('.print');
+
+      document.body.appendChild(page);
+      return nativeLayer.whenCalled('getInitialSettings').then(function() {
+        page.destinationStore_.startLoadDestinations(
+            print_preview.PrinterType.LOCAL_PRINTER);
+        // Wait for the preview request.
+        return Promise.all([
+          nativeLayer.whenCalled('getPrinterCapabilities'),
+          nativeLayer.whenCalled('getPreview')
+        ]);
+      }).then(function() {
+        // Print preview should have failed with invalid settings, since
+        // FooDevice was set as an invalid printer.
+        assertFalse(overlay.classList.contains('invisible'));
+        assertTrue(messageEl.textContent.includes(expectedMessage));
+
+        // Verify that the print button is disabled
+        assertTrue(printButton.disabled);
+
+        // Reset
+        nativeLayer.reset();
+
+        // Select a new destination
+        const barDestination =
+            page.destinationStore_.destinations().find(
+                d => d.id == 'BarDevice');
+        page.destinationStore_.selectDestination(barDestination);
+
+        // Wait for the preview to be updated.
+        return Promise.all([
+          nativeLayer.whenCalled('getPrinterCapabilities'),
+          nativeLayer.whenCalled('getPreview')
+        ]);
+      }).then(function() {
+        // Message should be gone.
+        assertTrue(overlay.classList.contains('invisible'));
+        assertFalse(messageEl.textContent.includes(expectedMessage));
+
+        // Has active print button and successfully 'prints', indicating
+        assertFalse(printButton.disabled);
+        printButton.click();
+        // This should result in a call to print.
+        return nativeLayer.whenCalled('print');
+      }).then(
+          /**
+           * @param {string} printTicket The print ticket print() was called
+           *     for.
+           */
+          function(printTicket) {
+            // Sanity check some printing argument values.
+            const ticket = JSON.parse(printTicket);
+            assertEquals(barDevice.printer.deviceName, ticket.deviceName);
+            assertEquals(
+                print_preview_test_utils.getDefaultOrientation(barDevice) ==
+                    'LANDSCAPE',
+                ticket.landscape);
+            assertEquals(1, ticket.copies);
+            const mediaDefault =
+                print_preview_test_utils.getDefaultMediaSize(barDevice);
+            assertEquals(
+                mediaDefault.width_microns, ticket.mediaSize.width_microns);
+            assertEquals(
+                mediaDefault.height_microns, ticket.mediaSize.height_microns);
+            return nativeLayer.whenCalled('dialogClose');
+          });
+    });
+
+    // Test that GCP invalid certificate printers disable the print preview when
+    // selected and display an error and that the preview dialog can be
+    // recovered by selecting a new destination. Verifies this works when the
+    // invalid printer is the most recent destination and is selected by
+    // default.
+    test(assert(TestNames.InvalidCertificateError), function() {
+      const invalidPrinter =
+          print_preview_test_utils.createDestinationWithCertificateStatus(
+              'FooDevice', 'FooName', true);
+      const validPrinter =
+          print_preview_test_utils.createDestinationWithCertificateStatus(
+              'BarDevice', 'BarName', false);
+      setupInvalidCertificateTest([invalidPrinter, validPrinter]);
+
+      // Expected message
+      const expectedMessage = 'The selected Google Cloud Print device is no '
+          + 'longer supported. Try setting up the printer in your computer\'s '
+          + 'system settings.';
+
+      // Get references to relevant elements.
+      const previewAreaEl = page.$.previewArea;
+      const overlayEl = previewAreaEl.$$('.preview-area-overlay-layer');
+      const messageEl = previewAreaEl.$$('.preview-area-message');
+      const header = page.$$('print-preview-header');
+      const printButton = header.$$('.print');
+      const destinationSettings = page.$$('print-preview-destination-settings');
+      const scalingSettings = page.$$('print-preview-scaling-settings');
+      const layoutSettings = page.$$('print-preview-layout-settings');
+
+      return nativeLayer.whenCalled('getInitialSettings').then(function() {
+        page.destinationStore_.startLoadCloudDestinations();
+
+        // FooDevice will be selected since it is the most recently used
+        // printer, so the invalid certificate error should be shown.
+        // The overlay must be visible for the message to be seen.
+        assertFalse(overlayEl.classList.contains('invisible'));
+
+        // Verify that the correct message is shown.
+        assertTrue(messageEl.textContent.includes(expectedMessage));
+
+        // Verify that the print button is disabled
+        assertTrue(printButton.disabled);
+
+        // Verify the state is invalid and that some settings sections are also
+        // disabled, so there is no way to regenerate the preview.
+        assertEquals(print_preview_new.State.INVALID_PRINTER, page.state);
+        assertTrue(layoutSettings.$$('select').disabled);
+        assertTrue(scalingSettings.$$('input').disabled);
+
+        // The destination settings button should be enabled, so that the user
+        // can select a new printer.
+        assertFalse(destinationSettings.$$('button').disabled);
+
+        // Reset
+        nativeLayer.reset();
+
+        // Select a new, valid cloud destination.
+        page.destinationStore_.selectDestination(validPrinter);
+        return nativeLayer.whenCalled('getPreview');
+      }).then(function() {
+        // Has active print button, indicating recovery from error state.
+        assertFalse(printButton.disabled);
+
+        // Settings sections are now active.
+        assertFalse(layoutSettings.$$('select').disabled);
+        assertFalse(scalingSettings.$$('input').disabled);
+
+        // The destination settings button should still be enabled.
+        assertFalse(destinationSettings.$$('button').disabled);
+
+        // Message text should have changed and overlay should be invisible.
+        assertFalse(messageEl.textContent.includes(expectedMessage));
+        assertTrue(overlayEl.classList.contains('invisible'));
+      });
+    });
+
+    // Test that GCP invalid certificate printers disable the print preview when
+    // selected and display an error and that the preview dialog can be
+    // recovered by selecting a new destination. Tests that even if destination
+    // was previously selected, the error is cleared.
+    test(assert(TestNames.InvalidCertificateErrorReselectDestination),
+        function() {
+      const invalidPrinter =
+          print_preview_test_utils.createDestinationWithCertificateStatus(
+              'FooDevice', 'FooName', true);
+      const validPrinter =
+          print_preview_test_utils.createDestinationWithCertificateStatus(
+              'BarDevice', 'BarName', false);
+      setupInvalidCertificateTest([validPrinter, invalidPrinter]);
+
+      // Get references to relevant elements.
+      const previewAreaEl = page.$.previewArea;
+      const overlayEl = previewAreaEl.$$('.preview-area-overlay-layer');
+      const messageEl = previewAreaEl.$$('.preview-area-message');
+      const header = page.$$('print-preview-header');
+      const printButton = header.$$('.print');
+
+      return nativeLayer.whenCalled('getInitialSettings').then(function() {
+        // Start loading cloud destinations so that the printer capabilities
+        // arrive.
+        page.destinationStore_.startLoadCloudDestinations();
+        return nativeLayer.whenCalled('getPreview');
+      }).then(function() {
+        // Has active print button.
+        assertFalse(printButton.disabled);
+        // No error message.
+        assertTrue(overlayEl.classList.contains('invisible'));
+
+        // Select the invalid destination and wait for the event.
+        const whenInvalid = test_util.eventToPromise(
+            print_preview.DestinationStore.EventType
+                .SELECTED_DESTINATION_UNSUPPORTED,
+            page.destinationStore_);
+        page.destinationStore_.selectDestination(invalidPrinter);
+        return whenInvalid;
+      }).then(function() {
+        // Should have error message.
+        assertFalse(overlayEl.classList.contains('invisible'));
+
+        // Reset
+        nativeLayer.reset();
+
+        // Reselect the valid cloud destination.
+        const whenSelected = test_util.eventToPromise(
+            print_preview.DestinationStore.EventType.DESTINATION_SELECT,
+            page.destinationStore_);
+        page.destinationStore_.selectDestination(validPrinter);
+        return whenSelected;
+      }).then(function() {
+        // Has active print button and no error message.
+        assertFalse(printButton.disabled);
+        assertTrue(overlayEl.classList.contains('invisible'));
+      });
+    });
+  });
+
+  return {
+    suiteName: suiteName,
+    TestNames: TestNames,
+  };
+});

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

@@ -95,12 +95,8 @@ cr.define('print_preview', function() {
         pageCount: pageCount
       });
       const printTicketParsed = JSON.parse(printTicket);
-      if (printTicketParsed.deviceName == this.badPrinterId_) {
-        let rejectString = print_preview.PreviewArea.EventType.SETTINGS_INVALID;
-        rejectString = rejectString.substring(
-            rejectString.lastIndexOf('.') + 1, rejectString.length);
-        return Promise.reject(rejectString);
-      }
+      if (printTicketParsed.deviceName == this.badPrinterId_)
+        return Promise.reject('SETTINGS_INVALID');
       const pageRanges = printTicketParsed.pageRange;
       const requestId = printTicketParsed.requestID;
       if (pageRanges.length == 0) {  // assume full length document, 1 page.

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

@@ -342,3 +342,57 @@ TEST_F('PrintPreviewSystemDialogBrowserTest', 'InvalidSettingsDisableLink',
       system_dialog_browsertest.TestNames.InvalidSettingsDisableLink);
 });
 GEN('#endif');  // defined(OS_WIN) || defined(OS_MACOSX)
+
+PrintPreviewInvalidSettingsBrowserTest = class extends NewPrintPreviewTest {
+  /** @override */
+  get browsePreload() {
+    return 'chrome://print/new/app.html';
+  }
+
+  /** @override */
+  get extraLibraries() {
+    return super.extraLibraries.concat([
+      ROOT_PATH + 'chrome/test/data/webui/settings/test_util.js',
+      ROOT_PATH + 'ui/webui/resources/js/cr/event_target.js',
+      '../test_browser_proxy.js',
+      'cloud_print_interface_stub.js',
+      'native_layer_stub.js',
+      'plugin_stub.js',
+      'print_preview_test_utils.js',
+      'invalid_settings_browsertest.js',
+    ]);
+  }
+
+  /** @override */
+  get suiteName() {
+    return invalid_settings_browsertest.suiteName;
+  }
+};
+
+TEST_F('PrintPreviewInvalidSettingsBrowserTest', 'NoPDFPluginError',
+       function() {
+  this.runMochaTest(
+      invalid_settings_browsertest.TestNames.NoPDFPluginError);
+});
+
+TEST_F('PrintPreviewInvalidSettingsBrowserTest', 'InvalidSettingsError',
+       function() {
+  this.runMochaTest(
+      invalid_settings_browsertest.TestNames.InvalidSettingsError);
+});
+
+TEST_F('PrintPreviewInvalidSettingsBrowserTest', 'InvalidCertificateError',
+       function() {
+  loadTimeData.overrideValues({isEnterpriseManaged: false});
+  this.runMochaTest(
+      invalid_settings_browsertest.TestNames.InvalidCertificateError);
+});
+
+TEST_F('PrintPreviewInvalidSettingsBrowserTest',
+       'InvalidCertificateErrorReselectDestination',
+       function() {
+  loadTimeData.overrideValues({isEnterpriseManaged: false});
+  this.runMochaTest(
+      invalid_settings_browsertest.TestNames
+          .InvalidCertificateErrorReselectDestination);
+});

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

@@ -8,23 +8,14 @@ cr.define('print_preview', function() {
    */
   class PDFPluginStub {
     /**
-     * @param {!print_preview.PreviewArea} The PreviewArea that owns this
-     *     plugin.
+     * @param {!Function} loadCallback The function to call when the plugin has
+     *     loaded.
      */
-    constructor(area) {
+    constructor(loadCallback) {
       /**
-       * @private {?Function} The callback to run when the plugin has loaded.
+       * @private {!Function} The callback to run when the plugin has loaded.
        */
-      this.loadCallback_ = null;
-
-    }
-
-    /**
-     * @param {!Function} callback The callback to run when the plugin has
-     *     loaded.
-     */
-    setLoadCallback(callback) {
-      this.loadCallback_ = callback;
+      this.loadCallback_ = loadCallback;
     }
 
     /**

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

@@ -68,7 +68,8 @@ cr.define('preview_generation_test', function() {
 
       page = document.createElement('print-preview-app');
       const previewArea = page.$$('print-preview-preview-area');
-      previewArea.plugin_ = new print_preview.PDFPluginStub(previewArea);
+      previewArea.plugin_ = new print_preview.PDFPluginStub(
+          previewArea.onPluginLoad_.bind(previewArea));
       document.body.appendChild(page);
       return Promise.all([
         nativeLayer.whenCalled('getInitialSettings'),

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

@@ -68,7 +68,55 @@ cr.define('print_preview_test_utils', function() {
     };
   }
 
+  /**
+   * Creates a destination with a certificate status tag.
+   * @param {string} id Printer id
+   * @param {string} name Printer display name
+   * @param {boolean} invalid Whether printer has an invalid certificate.
+   * @return {!print_preview.Destination}
+   */
+  function createDestinationWithCertificateStatus(id, name, invalid) {
+    const tags = {
+      certificateStatus: invalid ?
+          print_preview.DestinationCertificateStatus.NO :
+          print_preview.DestinationCertificateStatus.UNKNOWN,
+    };
+    const dest = new print_preview.Destination(
+        id, print_preview.DestinationType.GOOGLE,
+        print_preview.DestinationOrigin.COOKIES, name, true /* isRecent */,
+        print_preview.DestinationConnectionStatus.ONLINE, tags);
+    return dest;
+  }
+
+  /**
+   * Get the default media size for |device|.
+   * @param {!print_preview.PrinterCapabilitiesResponse} device
+   * @return {{width_microns: number,
+   *           height_microns: number}} The width and height of the default
+   *     media.
+   */
+  function getDefaultMediaSize(device) {
+    const size = device.capabilities.printer.media_size.option.find(
+        opt => opt.is_default);
+    return { width_microns: size.width_microns,
+             height_microns: size.height_microns };
+  }
+
+  /**
+   * Get the default page orientation for |device|.
+   * @param {!print_preview.PrinterCapabilitiesResponse} device
+   * @return {string} The default orientation.
+   */
+  function getDefaultOrientation(device) {
+    return device.capabilities.printer.page_orientation.option.find(
+        opt => opt.is_default).type;
+  }
+
   return {
     getCddTemplate: getCddTemplate,
+    getDefaultMediaSize: getDefaultMediaSize,
+    getDefaultOrientation: getDefaultOrientation,
+    createDestinationWithCertificateStatus:
+        createDestinationWithCertificateStatus,
   };
 });

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

@@ -201,31 +201,6 @@ cr.define('print_preview_test', function() {
     });
   }
 
-  /**
-   * Get the default media size for |device|.
-   * @param {!print_preview.PrinterCapabilitiesResponse} device
-   * @return {{width_microns: number,
-   *           height_microns: number}} The width and height of the default
-   *     media.
-   */
-  function getDefaultMediaSize(device) {
-    const size = device.capabilities.printer.media_size.option.find(
-        function(opt) { return opt.is_default; });
-    return { width_microns: size.width_microns,
-             height_microns: size.height_microns };
-  }
-
-  /**
-   * Get the default page orientation for |device|.
-   * @param {!print_preview.PrinterCapabilitiesResponse} device
-   * @return {string} The default orientation.
-   */
-  function getDefaultOrientation(device) {
-    return device.capabilities.printer.page_orientation.option.find(
-        function(opt) { return opt.is_default; }).type;
-  }
-
-
   /**
    * @param {string} printerId
    * @return {!Object}
@@ -321,26 +296,6 @@ cr.define('print_preview_test', function() {
     checkElementDisplayed(advancedSettingsCloseButton, true);
   }
 
-  /**
-   * Creates a destination with a certificate status tag.
-   * @param {string} id Printer id
-   * @param {string} name Printer display name
-   * @param {boolean} invalid Whether printer has an invalid certificate.
-   * @return {!print_preview.Destination}
-   */
-  function getDestinationWithCertificateStatus(id, name, invalid) {
-    const tags = {
-      certificateStatus: invalid ?
-          print_preview.DestinationCertificateStatus.NO :
-          print_preview.DestinationCertificateStatus.UNKNOWN,
-    };
-    const dest = new print_preview.Destination(
-        id, print_preview.DestinationType.GOOGLE,
-        print_preview.DestinationOrigin.COOKIES, name, true /* isRecent */,
-        print_preview.DestinationConnectionStatus.ONLINE, tags);
-    return dest;
-  }
-
   /**
    * Performs some setup for invalid certificate tests using 2 destinations
    * in |printers|. printers[0] will be set as the most recent destination,
@@ -413,8 +368,7 @@ cr.define('print_preview_test', function() {
       print_preview.NativeLayer.setInstance(nativeLayer);
       printPreview = new print_preview.PrintPreview();
       previewArea = printPreview.getPreviewArea();
-      previewArea.plugin_ = new print_preview.PDFPluginStub(previewArea);
-      previewArea.plugin_.setLoadCallback(
+      previewArea.plugin_ = new print_preview.PDFPluginStub(
           previewArea.onPluginLoad_.bind(previewArea));
     });
 
@@ -1493,10 +1447,12 @@ cr.define('print_preview_test', function() {
             const ticket = JSON.parse(printTicket);
             expectEquals(barDevice.printer.deviceName, ticket.deviceName);
             expectEquals(
-                getDefaultOrientation(barDevice) == 'LANDSCAPE',
+                print_preview_test_utils.getDefaultOrientation(barDevice) ==
+                    'LANDSCAPE',
                 ticket.landscape);
             expectEquals(1, ticket.copies);
-            const mediaDefault = getDefaultMediaSize(barDevice);
+            const mediaDefault =
+                print_preview_test_utils.getDefaultMediaSize(barDevice);
             expectEquals(
                 mediaDefault.width_microns, ticket.mediaSize.width_microns);
             expectEquals(
@@ -1512,9 +1468,11 @@ cr.define('print_preview_test', function() {
     // default.
     test('InvalidCertificateError', function() {
       const invalidPrinter =
-          getDestinationWithCertificateStatus('FooDevice', 'FooName', true);
+          print_preview_test_utils.createDestinationWithCertificateStatus(
+              'FooDevice', 'FooName', true);
       const validPrinter =
-          getDestinationWithCertificateStatus('BarDevice', 'BarName', false);
+          print_preview_test_utils.createDestinationWithCertificateStatus(
+              'BarDevice', 'BarName', false);
       setupInvalidCertificateTest([invalidPrinter, validPrinter]);
 
       // Get references to a few elements for testing.
@@ -1573,9 +1531,11 @@ cr.define('print_preview_test', function() {
     // was previously selected, the error is cleared.
     test('InvalidCertificateErrorReselectDestination', function() {
       const invalidPrinter =
-          getDestinationWithCertificateStatus('FooDevice', 'FooName', true);
+          print_preview_test_utils.createDestinationWithCertificateStatus(
+              'FooDevice', 'FooName', true);
       const validPrinter =
-          getDestinationWithCertificateStatus('BarDevice', 'BarName', false);
+          print_preview_test_utils.createDestinationWithCertificateStatus(
+              'BarDevice', 'BarName', false);
       setupInvalidCertificateTest([validPrinter, invalidPrinter]);
 
       // Get references to a few elements for testing.
@@ -1634,9 +1594,11 @@ cr.define('print_preview_test', function() {
     // preview from regenerating when settings are toggled.
     test('InvalidCertificateErrorNoPreview', function() {
       const invalidPrinter =
-          getDestinationWithCertificateStatus('FooDevice', 'FooName', true);
+          print_preview_test_utils.createDestinationWithCertificateStatus(
+              'FooDevice', 'FooName', true);
       const validPrinter =
-          getDestinationWithCertificateStatus('BarDevice', 'BarName', false);
+          print_preview_test_utils.createDestinationWithCertificateStatus(
+              'BarDevice', 'BarName', false);
 
       // Set the valid printer first. If the invalid printer is the first
       // printer loaded the bug does not occur since the print ticket store is

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

@@ -77,7 +77,8 @@ cr.define('restore_state_test', function() {
 
       page = document.createElement('print-preview-app');
       const previewArea = page.$$('print-preview-preview-area');
-      previewArea.plugin_ = new print_preview.PDFPluginStub(previewArea);
+      previewArea.plugin_ = new print_preview.PDFPluginStub(
+          previewArea.onPluginLoad_.bind(previewArea));
       document.body.appendChild(page);
       return nativeLayer.whenCalled('getInitialSettings').then(function() {
         return nativeLayer.whenCalled('getPrinterCapabilities');
@@ -226,7 +227,8 @@ cr.define('restore_state_test', function() {
 
       page = document.createElement('print-preview-app');
       const previewArea = page.$$('print-preview-preview-area');
-      previewArea.plugin_ = new print_preview.PDFPluginStub(previewArea);
+      previewArea.plugin_ = new print_preview.PDFPluginStub(
+          previewArea.onPluginLoad_.bind(previewArea));
       document.body.appendChild(page);
 
       return nativeLayer.whenCalled('getInitialSettings').then(function() {

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

@@ -56,7 +56,8 @@ cr.define('settings_sections_tests', function() {
       PolymerTest.clearBody();
       page = document.createElement('print-preview-app');
       const previewArea = page.$$('print-preview-preview-area');
-      previewArea.plugin_ = new print_preview.PDFPluginStub(previewArea);
+      previewArea.plugin_ = new print_preview.PDFPluginStub(
+          previewArea.onPluginLoad_.bind(previewArea));
       document.body.appendChild(page);
 
       // Wait for initialization to complete.

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

@@ -53,8 +53,7 @@ cr.define('system_dialog_browsertest', function() {
       page = document.createElement('print-preview-app');
       linkContainer = page.$$('print-preview-link-container');
       const previewArea = page.$$('print-preview-preview-area');
-      previewArea.plugin_ = new print_preview.PDFPluginStub(previewArea);
-      previewArea.plugin_.setLoadCallback(
+      previewArea.plugin_ = new print_preview.PDFPluginStub(
           previewArea.onPluginLoad_.bind(previewArea));
       document.body.appendChild(page);
       return Promise.all([