Improves application state persistance.

chrome/browser/resources/print_preview/print_preview.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.
 
 // TODO(rltoscano): Move data/* into print_preview.data namespace
 
 var localStrings = new LocalStrings(templateData);
 
 <include src="component.js"/>
 
@@ skipping 23 matching lines @@
     this.userInfo_ = new print_preview.UserInfo();
 
     /**
      * Metrics object used to report usage statistics.
      * @type {!print_preview.Metrics}
      * @private
      */
     this.metrics_ = new print_preview.Metrics();
 
     /**
+     * Application state.
+     * @type {!print_preview.AppState}
+     * @private
+     */
+    this.appState_ = new print_preview.AppState();
+
+    /**
      * Data store which holds print destinations.
      * @type {!print_preview.DestinationStore}
      * @private
      */
     this.destinationStore_ = new print_preview.DestinationStore(
-        this.nativeLayer_);
+        this.nativeLayer_, this.appState_);
 
     /**
      * Storage of the print ticket used to create the print job.
      * @type {!print_preview.PrintTicketStore}
      * @private
      */
     this.printTicketStore_ = new print_preview.PrintTicketStore(
-        this.destinationStore_);
+        this.destinationStore_, this.appState_);
 
     /**
      * Holds the print and cancel buttons and renders some document statistics.
      * @type {!print_preview.PrintHeader}
      * @private
      */
     this.printHeader_ = new print_preview.PrintHeader(
         this.printTicketStore_, this.destinationStore_);
     this.addChild(this.printHeader_);
 
@@ skipping 315 matching lines @@
     printIfReady_: function() {
       if ((this.uiState_ == PrintPreview.UiState_.PRINTING ||
               this.uiState_ == PrintPreview.UiState_.OPENING_PDF_PREVIEW ||
               this.uiState_ == PrintPreview.UiState_.FILE_SELECTION ||
               this.isInKioskAutoPrintMode_) &&
           !this.isPreviewGenerationInProgress_ &&
           this.destinationStore_.selectedDestination &&
           this.destinationStore_.selectedDestination.capabilities) {
         assert(this.printTicketStore_.isTicketValid(),
                'Trying to print with invalid ticket');
-        this.nativeLayer_.startSaveDestinationAndTicket(
-            this.destinationStore_.selectedDestination,
-            this.printTicketStore_);
         this.nativeLayer_.startPrint(
             this.destinationStore_.selectedDestination,
             this.printTicketStore_,
             this.cloudPrintInterface_,
             this.uiState_ == PrintPreview.UiState_.OPENING_PDF_PREVIEW);
         return true;
       } else {
         return false;
       }
     },
@@ skipping 26 matching lines @@
      * @param {cr.Event} event Contains the initial print preview settings
      *     persisted through the session.
      * @private
      */
     onInitialSettingsSet_: function(event) {
       assert(this.uiState_ == PrintPreview.UiState_.INITIALIZING,
              'Updating initial settings when not in initializing state: ' +
                  this.uiState_);
       this.uiState_ = PrintPreview.UiState_.READY;
 
-      this.isInKioskAutoPrintMode_ =
-          event.initialSettings.isInKioskAutoPrintMode;
-      this.destinationStore_.setInitialDestinationId(
-          event.initialSettings.initialDestinationId,
-          event.initialSettings.isLocalDestination);
-      document.title = event.initialSettings.documentTitle;
-      this.printTicketStore_.initialize(
-          event.initialSettings.isDocumentModifiable,
-          event.initialSettings.documentTitle,
-          event.initialSettings.isDuplexEnabled,
-          event.initialSettings.isHeaderFooterEnabled,
-          event.initialSettings.marginsType,
-          event.initialSettings.customMargins,
-          event.initialSettings.thousandsDelimeter,
-          event.initialSettings.decimalDelimeter,
-          event.initialSettings.unitType);
+      var settings = event.initialSettings;
+      this.isInKioskAutoPrintMode_ = settings.isInKioskAutoPrintMode;
+      document.title = settings.documentTitle;
+
+      // The following components must be initialized in this order.
+      this.appState_.init(settings.serializedAppStateStr);
+      this.printTicketStore_.init(
+          settings.isDocumentModifiable,
+          settings.documentTitle,
+          settings.thousandsDelimeter,
+          settings.decimalDelimeter,
+          settings.unitType);
+      this.destinationStore_.init(settings.systemDefaultDestinationId);
     },
 
     /**
      * Calls when the native layer enables Google Cloud Print integration.
      * Fetches the user's cloud printers.
      * @param {cr.Event} event Contains the base URL of the Google Cloud Print
      *     service.
      * @private
      */
     onCloudPrintEnable_: function(event) {
@@ skipping 323 matching lines @@
 <include src="data/destination_store.js"/>
 <include src="data/margins.js"/>
 <include src="data/document_info.js"/>
 <include src="data/printable_area.js"/>
 <include src="data/measurement_system.js"/>
 <include src="data/print_ticket_store.js"/>
 <include src="data/coordinate2d.js"/>
 <include src="data/size.js"/>
 <include src="data/capabilities_holder.js"/>
 <include src="data/user_info.js"/>
+<include src="data/app_state.js"/>
 
 <include src="data/ticket_items/ticket_item.js"/>
 
 <include src="data/ticket_items/custom_margins.js"/>
 <include src="data/ticket_items/collate.js"/>
 <include src="data/ticket_items/color.js"/>
 <include src="data/ticket_items/copies.js"/>
 <include src="data/ticket_items/duplex.js"/>
 <include src="data/ticket_items/header_footer.js"/>
 <include src="data/ticket_items/landscape.js"/>
@@ skipping 26 matching lines @@
 <include src="search/recent_destination_list.js"/>
 <include src="search/destination_list_item.js"/>
 <include src="search/destination_search.js"/>
 <include src="search/search_box.js"/>
 <include src="search/fedex_tos.js"/>
 
 window.addEventListener('DOMContentLoaded', function() {
   printPreview = new print_preview.PrintPreview();
   printPreview.initialize();
 });