Refactor print preview web ui

chrome/browser/resources/print_preview/data/ticket_items/margins_type.js

Index: chrome/browser/resources/print_preview/data/ticket_items/margins_type.js
diff --git a/chrome/browser/resources/print_preview/data/ticket_items/margins_type.js b/chrome/browser/resources/print_preview/data/ticket_items/margins_type.js
new file mode 100644
index 0000000000000000000000000000000000000000..3fe95f4752db47872d75d281fcab766d59e9d90d
--- /dev/null
+++ b/chrome/browser/resources/print_preview/data/ticket_items/margins_type.js
@@ -0,0 +1,68 @@
+// 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.ticket_items', function() {
+  'use strict';
+
+  /**
+   * Margins type ticket item whose value is a
+   * {@link print_preview.ticket_items.MarginsType.Value} that indicates what
+   * predefined margins type to use.
+   * @param {!print_preview.DocumentInfo} documentInfo Information about the
+   *     document to print.
+   * @constructor
+   * @extends {print_preview.ticket_items.TicketItem}
+   */
+  function MarginsType(documentInfo) {
+    print_preview.ticket_items.TicketItem.call(this);
+
+    /**
+     * Information about the document to print.
+     * @type {!print_preview.DocumentInfo}
+     * @private
+     */
+    this.documentInfo_ = documentInfo;
+  };
+
+  /**
+   * Enumeration of margin types. Matches enum MarginType in
+   * printing/print_job_constants.h.
+   * @enum {number}
+   */
+  MarginsType.Value = {
+    DEFAULT: 0,
+    NO_MARGINS: 1,
+    MINIMUM: 2,
+    CUSTOM: 3
+  };
+
+  MarginsType.prototype = {
+    __proto__: print_preview.ticket_items.TicketItem.prototype,
+
+    /** @override */
+    wouldValueBeValid: function(value) {
+      return true;
+    },
+
+    /** @override */
+    isCapabilityAvailable: function() {
+      return this.documentInfo_.isModifiable;
+    },
+
+    /** @override */
+    getDefaultValueInternal: function() {
+      return MarginsType.Value.DEFAULT;
+    },
+
+    /** @override */
+    getCapabilityNotAvailableValueInternal: function() {
+      return MarginsType.Value.DEFAULT;
+    }
+  };
+
+  // Export
+  return {
+    MarginsType: MarginsType
+  };
+});