chrome/browser/resources/print_preview/data/cloud_parsers.js

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 cr.define('cloudprint', function() {
   6   'use strict';
   7
   8   /** Namespace which contains a method to parse cloud destinations directly. */
   9   function CloudDestinationParser() {};
  10
  11   /**
  12    * Enumeration of cloud destination field names.
  13    * @enum {string}
  14    * @private
  15    */
  16   CloudDestinationParser.Field_ = {
  17     CAPABILITIES: 'capabilities',
  18     CONNECTION_STATUS: 'connectionStatus',
  19     DESCRIPTION: 'description',
  20     DISPLAY_NAME: 'displayName',
  21     ID: 'id',
  22     IS_TOS_ACCEPTED: 'isTosAccepted',
  23     LAST_ACCESS: 'accessTime',
  24     TAGS: 'tags',
  25     TYPE: 'type'
  26   };
  27
  28   /**
  29    * Special tag that denotes whether the destination has been recently used.
  30    * @type {string}
  31    * @const
  32    * @private
  33    */
  34   CloudDestinationParser.RECENT_TAG_ = '^recent';
  35
  36   /**
  37    * Special tag that denotes whether the destination is owned by the user.
  38    * @type {string}
  39    * @const
  40    * @private
  41    */
  42   CloudDestinationParser.OWNED_TAG_ = '^own';
  43
  44   /**
  45    * Enumeration of cloud destination types that are supported by print preview.
  46    * @enum {string}
  47    * @private
  48    */
  49   CloudDestinationParser.CloudType_ = {
  50     ANDROID: 'ANDROID_CHROME_SNAPSHOT',
  51     DOCS: 'DOCS',
  52     IOS: 'IOS_CHROME_SNAPSHOT'
  53   };
  54
  55   /**
  56    * Parses a destination from JSON from a Google Cloud Print search or printer
  57    * response.
  58    * @param {!Object} json Object that represents a Google Cloud Print search or
  59    *     printer response.
  60    * @param {!print_preview.Destination.Origin} origin The origin of the
  61    *     response.
  62    * @param {string} account The account this destination is registered for or
  63    *     empty string, if origin != COOKIES.
  64    * @return {!print_preview.Destination} Parsed destination.
  65    */
  66   CloudDestinationParser.parse = function(json, origin, account) {
  67     if (!json.hasOwnProperty(CloudDestinationParser.Field_.ID) ||
  68         !json.hasOwnProperty(CloudDestinationParser.Field_.TYPE) ||
  69         !json.hasOwnProperty(CloudDestinationParser.Field_.DISPLAY_NAME)) {
  70       throw Error('Cloud destination does not have an ID or a display name');
  71     }
  72     var id = json[CloudDestinationParser.Field_.ID];
  73     var tags = json[CloudDestinationParser.Field_.TAGS] || [];
  74     var connectionStatus =
  75         json[CloudDestinationParser.Field_.CONNECTION_STATUS] ||
  76         print_preview.Destination.ConnectionStatus.UNKNOWN;
  77     var optionalParams = {
  78       account: account,
  79       tags: tags,
  80       isOwned: arrayContains(tags, CloudDestinationParser.OWNED_TAG_),
  81       lastAccessTime: parseInt(
  82           json[CloudDestinationParser.Field_.LAST_ACCESS], 10) || Date.now(),
  83       isTosAccepted: (id == print_preview.Destination.GooglePromotedId.FEDEX) ?
  84           json[CloudDestinationParser.Field_.IS_TOS_ACCEPTED] : null,
  85       cloudID: id,
  86       description: json[CloudDestinationParser.Field_.DESCRIPTION]
  87     };
  88     var cloudDest = new print_preview.Destination(
  89         id,
  90         CloudDestinationParser.parseType_(
  91             json[CloudDestinationParser.Field_.TYPE]),
  92         origin,
  93         json[CloudDestinationParser.Field_.DISPLAY_NAME],
  94         arrayContains(tags, CloudDestinationParser.RECENT_TAG_) /*isRecent*/,
  95         connectionStatus,
  96         optionalParams);
  97     if (json.hasOwnProperty(CloudDestinationParser.Field_.CAPABILITIES)) {
  98       cloudDest.capabilities = /*@type {!print_preview.Cdd}*/ (
  99           json[CloudDestinationParser.Field_.CAPABILITIES]);
 100     }
 101     return cloudDest;
 102   };
 103
 104   /**
 105    * Parses the destination type.
 106    * @param {string} typeStr Destination type given by the Google Cloud Print
 107    *     server.
 108    * @return {!print_preview.Destination.Type} Destination type.
 109    * @private
 110    */
 111   CloudDestinationParser.parseType_ = function(typeStr) {
 112     if (typeStr == CloudDestinationParser.CloudType_.ANDROID ||
 113         typeStr == CloudDestinationParser.CloudType_.IOS) {
 114       return print_preview.Destination.Type.MOBILE;
 115     } else if (typeStr == CloudDestinationParser.CloudType_.DOCS) {
 116       return print_preview.Destination.Type.GOOGLE_PROMOTED;
 117     } else {
 118       return print_preview.Destination.Type.GOOGLE;
 119     }
 120   };
 121
 122   // Export
 123   return {
 124     CloudDestinationParser: CloudDestinationParser
 125   };
 126 });