Add DPI option selection to Print Preview.

chrome/browser/resources/print_preview/data/print_ticket_store.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.define('print_preview', function() {
   'use strict';
 
   // TODO(rltoscano): Maybe clear print ticket when destination changes. Or
   // better yet, carry over any print ticket state that is possible. I.e. if
   // destination changes, the new destination might not support duplex anymore,
@@ skipping 68 matching lines @@
 
     /**
      * Copies ticket item.
      * @type {!print_preview.ticket_items.Copies}
      * @private
      */
     this.copies_ =
         new print_preview.ticket_items.Copies(this.destinationStore_);
 
     /**
+     * DPI ticket item.
+     * @type {!print_preview.ticket_items.Dpi}
+     * @private
+     */
+    this.dpi_ = new print_preview.ticket_items.Dpi(
+        this.appState_, this.destinationStore_);
+
+    /**
      * Duplex ticket item.
      * @type {!print_preview.ticket_items.Duplex}
      * @private
      */
     this.duplex_ = new print_preview.ticket_items.Duplex(
         this.appState_, this.destinationStore_);
 
     /**
      * Page range ticket item.
      * @type {!print_preview.ticket_items.PageRange}
@@ skipping 137 matching lines @@
     },
 
     get cssBackground() {
       return this.cssBackground_;
     },
 
     get customMargins() {
       return this.customMargins_;
     },
 
+    get dpi() {
+      return this.dpi_;
+    },
+
     get duplex() {
       return this.duplex_;
     },
 
     get fitToPage() {
       return this.fitToPage_;
     },
 
     get headerFooter() {
       return this.headerFooter_;
@@ skipping 46 matching lines @@
                                         unitType);
       this.selectionOnly_.updateValue(selectionOnly);
 
       // Initialize ticket with user's previous values.
       if (this.appState_.hasField(
           print_preview.AppState.Field.IS_COLOR_ENABLED)) {
         this.color_.updateValue(
             /** @type {!Object} */(this.appState_.getField(
             print_preview.AppState.Field.IS_COLOR_ENABLED)));
       }
+      if (this.appState_.hasField(print_preview.AppState.Field.DPI)) {
+        this.dpi_.updateValue(
+            /** @type {!Object} */(this.appState_.getField(
+            print_preview.AppState.Field.DPI)));
+      }
       if (this.appState_.hasField(
           print_preview.AppState.Field.IS_DUPLEX_ENABLED)) {
         this.duplex_.updateValue(
             /** @type {!Object} */(this.appState_.getField(
             print_preview.AppState.Field.IS_DUPLEX_ENABLED)));
       }
       if (this.appState_.hasField(print_preview.AppState.Field.MEDIA_SIZE)) {
         this.mediaSize_.updateValue(
             /** @type {!Object} */(this.appState_.getField(
             print_preview.AppState.Field.MEDIA_SIZE)));
@@ skipping 111 matching lines @@
       if (!this.landscape.isCapabilityAvailable()) {
         // In this case "orientation" option is hidden from user, so user can't
         // adjust it for page content, see Landscape.isCapabilityAvailable().
         // We can improve results if we set AUTO here.
         if (this.landscape.hasOption('AUTO'))
           cjt.print.page_orientation = { type: 'AUTO' };
       } else if (this.landscape.isUserEdited()) {
         cjt.print.page_orientation =
             {type: this.landscape.getValue() ? 'LANDSCAPE' : 'PORTRAIT'};
       }
+      if (this.dpi.isCapabilityAvailable()) {
+        var value = this.dpi.getValue();
+        cjt.print.dpi = {
+          horizontal_dpi: value.horizontal_dpi,
+          vertical_dpi: value.vertical_dpi,
+          vendor_id: value.vendor_id
+        };
+      }
       if (this.vendorItems.isCapabilityAvailable() &&
           this.vendorItems.isUserEdited()) {
         var items = this.vendorItems.ticketItems;
         cjt.print.vendor_ticket_item = [];
         for (var itemId in items) {
           if (items.hasOwnProperty(itemId)) {
             cjt.print.vendor_ticket_item.push(
                 {id: itemId, value: items[itemId]});
           }
         }
@@ skipping 76 matching lines @@
     onDocumentInfoChange_: function() {
       cr.dispatchSimpleEvent(this, PrintTicketStore.EventType.DOCUMENT_CHANGE);
     },
   };
 
   // Export
   return {
     PrintTicketStore: PrintTicketStore
   };
 });